CN218395434U

CN218395434U - Multifunctional edge rolling device for machining

Info

Publication number: CN218395434U
Application number: CN202222863142.3U
Authority: CN
Inventors: 闫海滨
Original assignee: Xi'an Xinrong Metal Structure Co ltd
Current assignee: Xi'an Xinrong Metal Structure Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-01-31
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a machining is with multi-functional edge rolling device relates to machining technical field. The technical key points are as follows: the device comprises a protective frame, an upper compression roller, two lower compression rollers and an end bearing assembly, wherein the upper compression roller and the two lower compression rollers are arranged between the protective frame and the end bearing assembly; one end of the first rotating shaft and one end of the two second rotating shafts, which are far away from the end bearing assembly, are both connected with a grooved wheel unit. The utility model discloses an its first pivot of actuating mechanism drive, second pivot, go up the compression roller and rotate with lower compression roller, the usable compression roller of going up carries out the edge rolling processing with lower compression roller to panel, and the sheave tubular product of usable first pivot and second pivot tip carries out the edge rolling processing, has improved the space utilization in workshop.

Description

Multifunctional edge rolling device for machining

Technical Field

The application relates to the technical field of machining, especially, relate to a machining is with multi-functional edge rolling device.

Background

The rolling device is a machine tool used for continuously bending metal plates in a point mode, and can be divided into a two-roller plate bending machine, a three-roller plate bending machine and a four-roller plate bending machine according to the structure of the rolling device. Because the specification of tubular product and the specification difference of panel are big, and current edge rolling device is either simple to carry out edge rolling processing to panel, or simple to carry out edge rolling processing to panel, consequently if need accomplish edge rolling processing to panel and tubular product in actual production, need use two edge rolling devices, consequently have the problem that occupies production space.

SUMMERY OF THE UTILITY MODEL

The application provides a machining is with multi-functional edge rolling device is used for solving current edge rolling device and in actual production when accomplishing the edge rolling processing back to a certain amount of panel, then need change new equipment when needing to continue to carry out edge rolling processing to tubular product to there is the problem that occupies production space.

The above object of the present invention can be achieved by the following technical solutions:

a multifunctional rolling device for machining comprises a protective frame, an upper pressing roller, two lower pressing rollers and an end bearing assembly, wherein the upper pressing roller and the two lower pressing rollers are arranged between the protective frame and the end bearing assembly, a driving mechanism, a first rotating shaft and two second rotating shafts are arranged in the protective frame, one side of the driving mechanism is connected with the upper pressing roller and the two lower pressing rollers and can drive the upper pressing roller and the two lower pressing rollers to rotate, the other opposite side of the driving mechanism is connected with the first rotating shaft and the two second rotating shafts and can drive the first rotating shaft and the two second rotating shafts to rotate; the first rotating shaft and the two second rotating shafts are far away from one end of the end bearing assembly and penetrate through the protective frame, and a grooved wheel unit is connected to the end bearing assembly.

Further, the end support subassembly includes the base, the top of base is equipped with two first supports and door type support, the lower extreme of first support with base fixed connection, two first support overlaps respectively and establishes and correspond down on the compression roller, just first support with the compression roller rotates down to be connected, door type support establishes first support one side and its lower extreme with base fixed connection, the vertical sliding connection of first slider are in the door type support, first slider is close to one side of bearer bar with it rotates to go up the compression roller and connects, first slider top rotates with first threaded rod one end and is connected, the first threaded rod other end runs through door type support upper end and threaded connection between the two.

Further, the driving mechanism comprises a first motor, a protective sleeve, a second threaded rod, a supporting plate and a lower driving assembly; the first motor is a double-headed motor, one output end of the first motor is fixedly connected with one end, far away from the end bearing assembly, of the upper compression roller, the other output end of the first motor is fixedly connected with one end of the first rotating shaft, the protection frame is provided with a through groove in the vertical direction at the position of the other end of the first rotating shaft, the protection sleeve is sleeved outside the first motor and fixedly connected with the first motor and the first rotating shaft, the opposite side walls, perpendicular to the axial direction of the first rotating shaft, of the protection sleeve are fixedly connected with a second sliding block, the second sliding block is vertically and slidably connected with the inner side of the protection frame, the upper end of the protection sleeve is rotatably connected with the lower end of the second threaded rod, the upper end of the second threaded rod penetrates through the support plate and is in threaded connection with the support plate, and the support plate is fixedly connected with the upper end of the protection frame; and the lower driving assembly is connected with the two second rotating shafts and the two lower pressing rollers.

Further, the lower driving assembly comprises two first gears, two second gears, two chains, two first chain wheels, two second chain wheels, a second motor, a motor base and a supporting unit; the second motor is arranged at the lower sides of the two lower compression rollers in the protection frame, the lower side of the second motor is fixedly connected with the protection frame through the motor base, the output end of the second motor is fixedly connected with one end of a third rotating shaft, the other end of the third rotating shaft is rotatably connected with the protection frame, the third rotating shaft is sleeved with two first chain wheels along the axis direction of the third rotating shaft, the two second rotating shafts are respectively sleeved with one second chain wheel, the two second chain wheels on the second rotating shafts are respectively connected with the two first chain wheels on the third rotating shaft through a chain, and the ends, close to each other, of the lower compression rollers and the second rotating shafts are connected with the protection frame through a supporting unit; one end of each of the two lower compression rollers, which is far away from the end bearing assembly, is fixedly connected with one first gear respectively; one end of each second rotating shaft, which is close to the end bearing assembly, is fixedly connected with one second gear respectively, and the two second gears are meshed with the two first gears respectively; the supporting unit may support the second rotating shaft and the lower pressure roller at ends close to each other.

Further, the supporting unit comprises two second supports, two third supports and a fixing plate; the two second supports are respectively sleeved on the two second rotating shafts, the second supports are rotatably connected with the second rotating shafts, and the lower ends of the second supports are fixedly connected with the protection frame through the fixing plates; the two third supports are respectively sleeved on the two lower press rollers, the third supports are rotatably connected with the lower press rollers, and the lower ends of the third supports are fixedly connected with the fixing plate.

Furthermore, two groove positions with different widths are arranged on the grooved wheel unit.

Further, the base is fixedly connected with the protection frame through a cross beam.

Furthermore, the lower extreme of bearer bar with the base all fixedly connected with stand.

Furthermore, the lower extreme of stand is installed and is had self-locking function's removal wheel.

To sum up, the utility model discloses a following at least one useful technological effect:

can drive the first pivot and the second pivot of its one side simultaneously through actuating mechanism and rotate and the last compression roller and the lower compression roller of relative one side, it can carry out the edge rolling processing to panel with the cooperation of lower compression roller to go up the compression roller, first pivot and second pivot are rotated and can be taken the sheave of its tip to rotate, thereby carry out the edge rolling processing to the tubular product that slot position specification matches on the sheave, because this application, the edge rolling processing function of panel and tubular product had both been had on same equipment, the utilization ratio in workshop space has been improved, the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of the overall structure of a first viewing angle of the present invention;

FIG. 2 is a schematic view of the internal structure of the bezel at a second viewing angle according to the present invention;

fig. 3 is a schematic view of the internal structure of the protection frame at the third viewing angle of the present invention;

fig. 4 is a schematic view of the internal structure of the protection frame at the fourth viewing angle of the present invention.

Reference numerals: 1. a protective frame; 2. an upper compression roller; 3. a lower pressing roller; 4. an end support assembly; 41. a base; 42. a first support; 43. a gantry support; 44. a first slider; 45. a first threaded rod; 5. a drive mechanism; 51. a first motor; 52. a protective sleeve; 53. a second threaded rod; 54. a support plate; 55. a lower drive assembly; 551. a first gear; 552. a second gear; 553. a chain; 554. a first sprocket; 555. a second sprocket; 556. a second motor; 557. a motor base; 558. a support unit; 5581. a second support; 5582. a third support; 5583. a fixing plate; 559. a third rotating shaft; 56. a through groove; 57. a second slider; 6. a first rotating shaft; 7. a second rotating shaft; 8. a sheave unit; 9. a cross beam; 10. a column; 11. the wheel is moved.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1, fig. 2 and fig. 3, for the utility model discloses a multi-functional edge rolling device is used in machining, including fender frame 1, go up compression roller 2, two lower compression rollers 3 and end bearing assembly 4, go up compression roller 2 and two lower compression rollers 3 and all establish between fender frame 1 and end bearing assembly 4, be equipped with actuating mechanism 5 in the fender frame 1, first pivot 6 and two second pivots 7, actuating mechanism 5 one side is connected with last compression roller 2 and two lower compression rollers 3, can drive the rotation of last compression roller 2 and two lower compression rollers 3, the other opposite side of actuating mechanism 5 is connected with first pivot 6 and two second pivots 7, can drive first pivot 6 and two second pivots 7 to rotate; the ends, far away from the end bearing assembly 4, of the first rotating shaft 6 and the two second rotating shafts 7 both penetrate through the protective frame 1 and are connected with a sheave unit 8.

In this embodiment, the end bearing assembly 4 can support one end of the upper press roll 2 and the lower press roll 3 far away from the protective frame 1, the driving mechanism 5 in the protective frame 1 can drive the upper press roll 2 and the two lower press rolls 3 to rotate, so as to complete the rolling processing of the metal plate, the opposite side of the connection part of the driving mechanism 5 and the upper press roll 2 and the lower press rolls 3 is connected with the first rotating shaft 6 and the second rotating shaft 7, so that the driving mechanism 5 can drive the first rotating shaft 6 and the second rotating shaft 7 to rotate when rotating, one end of the first rotating shaft 6 and one end of the second rotating shaft 7 far away from the end bearing assembly 4 are connected with the protective frame 1 in a rotating manner, so that the protective frame 1 can not only provide support for the first rotating shaft 6 and the second rotating shaft 7, but also cannot influence the rotation of the first rotating shaft 6 and the second rotating shaft 7, the groove positions on the sheave units 8 on the first rotating shaft 6 and the second rotating shaft 7 can be used for placing a pipe needing rolling processing, so that when a sheet needs to be processed, a worker can place the metal between the upper press roll 2 and the lower press roll 3, and complete the processing of the same principle as the existing rolling processing of the metal plate, and the existing rolling principle. When the pipe materials such as a square pipe or a round pipe need to be rounded, a worker can place the pipe materials between the groove positions on the grooved pulley units 8 at the end parts of the first rotating shaft 6 and the second rotating shaft 7, and the friction force between the groove positions on the grooved pulley units 8 at the end parts of the first rotating shaft 6 and the second rotating shaft 7 and the pipe materials is utilized to complete the rounding processing of the pipe materials.

Further, as shown in fig. 3 and 4, the end support assembly 4 includes a base 41, two first supports 42 and a gate-shaped support 43 are disposed above the base 41, a lower end of each first support 42 is fixedly connected to the base 41, the two first supports 42 are respectively sleeved on the corresponding lower press rollers 3, the first supports 42 are rotatably connected to the lower press rollers 3, the gate-shaped support 43 is disposed on one side of the first supports 42, a lower end of each first support is fixedly connected to the base 41, the first sliding blocks 44 are vertically and slidably connected to the gate-shaped support 43, one side of each first sliding block 44 close to the protective frame 1 is rotatably connected to the upper press roller 2, an upper end of each first sliding block 44 is rotatably connected to one end of the first threaded rod 45, and the other end of the first threaded rod 45 penetrates through an upper end of the gate-shaped support 43 and is in threaded connection between the two ends.

In this embodiment, the first support 42 on the base 41 can provide a supporting function for the lower press roll 3 and at the same time can not limit the rotation of the lower press roll 3, the first slider 44 in the door-shaped bracket 43 can adjust its position in the vertical direction of the door-shaped bracket 43 through the first threaded rod 45, and since the first slider 44 is connected with the upper press roll 2, the upper press roll 2 can move together with the first slider 44, and the distance between the upper press roll 2 and the lower press roll 3 can be adjusted by matching with a member capable of adjusting the position of the upper press roll 2 in the driving mechanism 5, so as to perform the rolling process on the plates with different thicknesses.

Further, as shown in fig. 1 and 2, the driving mechanism 5 includes a first motor 51, a protective sleeve 52, a second threaded rod 53, a support plate 54, and a lower driving assembly 55; the first motor 51 is a double-headed motor, one output end of the first motor 51 is fixedly connected with one end, far away from the end bearing assembly 4, of the upper press roll 2, the other output end of the first motor 51 is fixedly connected with one end of the first rotating shaft 6, the protective frame 1 is provided with a through groove 56 in the vertical direction at the position of the other end of the first rotating shaft 6, the protective sleeve 52 is sleeved on the outer side of the first motor 51 and fixedly connected with the outer side of the first motor 51, opposite side walls, perpendicular to the axial direction of the first rotating shaft 6, of the protective sleeve 52 are fixedly connected with a second sliding block 57, the second sliding blocks 57 are slidably connected with the inner side wall of the protective frame 1, the sliding direction is in the vertical direction, the upper end of the protective sleeve 52 is rotatably connected with the lower end of the second threaded rod 53, the upper end of the second threaded rod 53 penetrates through the supporting plate 54 and is in threaded connection with the supporting plate 54, and the upper end of the protective frame 1 is fixedly connected with the upper end; the lower driving assembly 55 is connected to both the two second rotating shafts 7 and the two lower rolls 3.

In this embodiment, the lower ends of the protective sleeve 52 and the second threaded rod 53 are rotatably connected, the protective sleeve 52 is slidably connected to the protective frame 1 through the second slider 57 in the vertical direction, so that the second threaded rod 53, which is threadedly connected to the supporting plate 54, is rotated to drive the protective sleeve 52 to move in the vertical direction, and the adjustment of the distance between the upper press roll 2 and the lower press roll 3 can be completed by matching with the first threaded rod 45 in the end bearing assembly 4, because the first motor 51 is a double-headed motor, the first motor 51 can drive the first rotating shaft 6 and the upper press roll 2 simultaneously, and can also play a role in connecting the first rotating shaft 6 and the upper press roll 2, so that while the protective sleeve 52 moves in the vertical direction, the first motor 51 can drive the first rotating shaft 6 connected to one end thereof to move in the vertical direction along the through groove 56, thereby conveniently adjusting the distance between the first rotating shaft 6 and the second rotating shaft 7, and further improving the flexibility of the apparatus.

Further, as shown in fig. 2 and 3, the lower driving assembly 55 includes two first gears 551, two second gears 552, two chains 553, two first sprockets 554, two second sprockets 555, a second motor 556, a motor mount 557, and a supporting unit 558; the second motor 556 is arranged at the lower sides of the two lower press rollers 3 in the protection frame 1, the lower side of the second motor 556 is fixedly connected with the protection frame 1 through a motor base 557, the output end of the second motor 556 is fixedly connected with one end of a third rotating shaft 559, the other end of the third rotating shaft 559 is rotatably connected with the protection frame 1, two first chain wheels 554 are sleeved on the third rotating shaft 559 along the axial direction of the third rotating shaft 559, two second chain wheels 555 are respectively sleeved on the two second rotating shafts 7, the second chain wheels 555 on the two second rotating shafts 7 are respectively connected with the two first chain wheels 554 on the third rotating shaft 559 through a chain 553, and the ends, close to each other, of the lower press rollers 3 and the second rotating shafts 7 are connected with the protection frame 1 through a supporting unit 558; one ends of the two lower press rolls 3, which are far away from the end bearing assembly 4, are fixedly connected with a first gear 551 respectively; one end of each of the two second rotating shafts 7 near the end bearing assembly 4 is fixedly connected with a second gear 552, and the two second gears 552 are respectively meshed with the two first gears 551.

In this embodiment, the lower driving assembly 55 in the driving mechanism 5 can complete the driving of the second rotating shaft 7 and the lower pressing roller 3, the motor seat 557 is fixedly connected to the protection frame 1, thus, sufficient supporting force can be provided to the second motor 556 by the protective frame 1, and when the second motor 556 rotates, the third rotating shaft 559 connected with the output end can rotate along with the first rotating shaft 559, and one end of the third rotating shaft 559 far away from the second motor 556 is rotatably connected with the protective frame 1, so that the protective frame 1 can provide supporting force for the third rotating shaft 559, the third rotating shaft 559 can be ensured to rotate stably, because the third rotating shaft 559 is fixedly connected with the two first chain wheels 554, the two first chain wheels 554 can rotate along with the third rotating shaft 559, since the two first sprockets 554 are respectively connected to the two second sprockets 555 of the second rotating shaft 7 by two chains 553, so that the two first sprockets 554 can drive the two second sprockets 555 to rotate with the second rotating shafts 7 connected with the two second sprockets, the sheave units 8 on the second rotating shafts 7 are on the same side with the sheave units 8 on the first rotating shafts 6, so that the second rotating shaft 7 and the first rotating shaft 6 can carry out the rolling process on the pipe material with the respective sheave units 8, one end of the second rotating shaft 7 close to the end bearing assembly 4 is fixedly connected with a second gear 552, thus, when the second rotating shaft 7 rotates, the second gear 552 rotates together with the second rotating shaft, the second gear 552 is meshed with the first gear 551 on the lower pressure roller 3, so that the two second shafts 7 can rotate with the first gears 551 close to their respective second gears 552, thus, the driving of the two lower rolls 3 is completed, so that the apparatus can simultaneously drive the two second rotating shafts 7 and the two lower rolls 3 to rotate by one second motor 556.

Further, as shown in fig. 2, the supporting unit 558 includes two second supports 5581, two third supports 5582, and a fixing plate 5583; the two second supports 5581 are respectively sleeved on the two second rotating shafts 7, the second supports 5581 are rotatably connected with the second rotating shafts 7, and the lower ends of the second supports 5581 are fixedly connected with the protection frame 1 through the fixing plate 5583; the two third supports 5582 are respectively sleeved on the two lower press rollers 3, the third supports 5582 are rotatably connected with the lower press rollers 3, and the lower ends of the third supports 5582 are fixedly connected with the fixing plate 5583.

In the above embodiment, the fixing plate 5583 is fixedly connected to the protective frame 1, so that the fixing plate 5583 can provide stable support for the second support 5581 and the third support 5582 thereon, the third support 5582 can cooperate with the first support 42 to enable the lower pressing roller 3 to be in a horizontal state, and at the same time, the rotation of the lower pressing roller 3 is not affected, the second support 5581 can support the second rotating shaft 7 to a position where the second rotating shaft 7 penetrates through the protective frame 1, so as to ensure that the second rotating shaft 7 is in the horizontal state, and similarly, the second support 5581 is rotatably connected to the second rotating shaft 7, so that the second support 5581 can not limit the rotation of the second rotating shaft 7.

Further, as shown in fig. 3, the sheave unit 8 is provided with two grooves having different widths.

In the above embodiment, the groove positions with different widths arranged on the sheave unit 8 can adapt to pipes with different specifications when the pipes are processed, and the width of the pipes is ensured to be matched with the groove positions on the sheave unit 8 as much as possible, so that the rolling process of the pipes is more stable, the processed pipes are smoother, and qualified pipes can be processed by workers by hands faster when the workers process the pipes.

Further, as shown in fig. 1, the base 41 is fixedly connected to the protection frame 1 through the cross beam 9.

In the above embodiment, the apparatus may have a more stable structure and better integrity by the above arrangement.

Further, as shown in fig. 1, the lower ends of the protection frame 1 and the base 41 are both fixedly connected with the upright post 10.

In this embodiment, the upright 10 is arranged to allow a worker to operate the device in a comfortable position during the machining process, thereby preventing the worker from bending over too low frequently and causing fatigue.

Further, as shown in fig. 1, a moving wheel 11 having a self-locking function is installed at a lower end of the column 10.

In this embodiment, the moving wheels 11 at the lower end of the column 10 can be used to move the entire apparatus to the appropriate position as required, which increases the flexibility of the apparatus.

The implementation principle of the embodiment is as follows: before using, a worker can adjust the distance between the upper press roller 2 and the lower press roller 3 or the distance between the first rotating shaft 6 and the second rotating shaft 7 by synchronously rotating the first threaded rod 45 and the second threaded rod 53 to adapt to a subsequent plate or a pipe to be subjected to edge rolling processing, when the pipe edge rolling device is used, the worker can start the first motor 51 and the second motor 556 according to needs, when the plate is processed, the worker can place the plate between the upper press roller 2 and the lower press roller 3 to perform edge rolling processing on the plate, and when the pipe is required to be processed, the worker places the pipe into a groove position corresponding to the pipe specification by the grooved pulley unit 8 connected with the first rotating shaft 6 and the second rotating shaft 7 to perform corresponding pipe edge rolling processing.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a machining is with multi-functional edge rolling device, includes protecting frame (1), goes up compression roller (2), two lower compression roller (3) and end bearing assembly (4), its characterized in that: the upper pressing roller (2) and the two lower pressing rollers (3) are arranged between the protective frame (1) and the end bearing assembly (4), a driving mechanism (5), a first rotating shaft (6) and two second rotating shafts (7) are arranged in the protective frame (1), one side of the driving mechanism (5) is connected with the upper pressing roller (2) and the two lower pressing rollers (3) and can drive the upper pressing roller (2) and the two lower pressing rollers (3) to rotate, the other opposite side of the driving mechanism (5) is connected with the first rotating shaft (6) and the two second rotating shafts (7) and can drive the first rotating shaft (6) and the two second rotating shafts (7) to rotate; the first rotating shaft (6) and the two second rotating shafts (7) are far away from one end of the end bearing assembly (4) and penetrate through the protective frame (1), and are connected with sheave units (8).

2. The multifunctional rolling device for machining according to claim 1, characterized in that: end bearing assembly (4) include base (41), the top of base (41) is equipped with two first supports (42) and door type support (43), the lower extreme of first support (42) with base (41) fixed connection, two first support (42) overlap respectively and establish and correspond down on compression roller (3), just first support (42) with compression roller (3) rotate down and connect, door type support (43) are established first support (42) one side and its lower extreme with base (41) fixed connection, the vertical sliding connection of first slider (44) are in door type support (43), first slider (44) are close to one side of protective frame (1) with go up compression roller (2) and rotate and connect, first slider (44) top and first threaded rod (45) one end rotate and are connected, first threaded rod (45) other end runs through door type support (43) upper end and threaded connection between the two.

3. The multifunctional rolling device for machining according to claim 1, characterized in that: the driving mechanism (5) comprises a first motor (51), a protective sleeve (52), a second threaded rod (53), a supporting plate (54) and a lower driving component (55);

the first motor (51) is a double-end motor, one output end of the first motor (51) is fixedly connected with one end, far away from the end bearing assembly (4), of the upper press roll (2), the other output end of the first motor (51) is fixedly connected with one end of the first rotating shaft (6), a through groove (56) along the vertical direction is formed in the position of the other end of the first rotating shaft (6) of the protection frame (1), the protection sleeve (52) is sleeved on the outer side of the first motor (51) and fixedly connected with the first motor and the first rotating shaft, a second sliding block (57) is fixedly connected to the opposite side wall, perpendicular to the axial direction of the first rotating shaft (6), of the protection sleeve (52), the second sliding block (57) is vertically and slidably connected to the inner side of the protection frame (1), the upper end of the protection sleeve (52) is rotatably connected with the lower end of the second threaded rod (53), the upper end of the second threaded rod (53) penetrates through the support plate (54) and is in threaded connection with the support plate (54);

and the lower driving assembly (55) is connected with the two second rotating shafts (7) and the two lower pressing rollers (3).

4. The multifunctional rolling device for machining according to claim 3, characterized in that: the lower driving assembly (55) comprises two first gears (551), two second gears (552), two chains (553), two first chain wheels (554), two second chain wheels (555), a second motor (556), a motor base (557) and a supporting unit (558);

the second motor (556) is arranged on the lower sides of the two lower compression rollers (3) in the protection frame (1), the lower side of the second motor (556) is fixedly connected with the protection frame (1) through the motor base (557), the output end of the second motor (556) is fixedly connected with one end of a third rotating shaft (559), the other end of the third rotating shaft (559) is rotatably connected with the protection frame (1), the third rotating shaft (559) is sleeved with two first chain wheels (554) along the axial direction of the third rotating shaft, the two second rotating shafts (7) are respectively sleeved with one second chain wheel (555), the two second chain wheels (555) on the two second rotating shafts (7) are respectively connected with the two first chain wheels (554) on the third rotating shaft (559) through a chain (553), the lower compression rollers (3) and the second rotating shafts (7) are close to each other, and one ends of the lower compression rollers (3) and the second rotating shafts (7) are connected with the protection frame (1) through a support unit (558);

one end of each of the two lower press rolls (3) far away from the end bearing assembly (4) is fixedly connected with one first gear (551) respectively; one end of each of the two second rotating shafts (7) close to the end bearing assembly (4) is fixedly connected with one second gear (552), and the two second gears (552) are meshed with the two first gears (551) respectively;

the supporting unit (558) may support the second rotating shaft (7) and the lower roll (3) near one end of each other.

5. The multifunctional rolling device for machining according to claim 4, characterized in that: the support unit (558) comprises two second supports (5581), two third supports (5582) and a fixing plate (5583);

the two second supports (5581) are respectively sleeved on the two second rotating shafts (7), the second supports (5581) are rotatably connected with the second rotating shafts (7), and the lower ends of the second supports (5581) are fixedly connected with the protection frame (1) through the fixing plates (5583); the two third supports (5582) are respectively sleeved on the two lower pressing rollers (3), the third supports (5582) are rotatably connected with the lower pressing rollers (3), and the lower ends of the third supports (5582) are fixedly connected with the fixing plate (5583).

6. The multifunctional rolling device for machining according to claim 1, characterized in that: the grooved wheel unit (8) is provided with two groove positions with different widths.

7. The multifunctional rolling device for machining according to claim 2, wherein: the base (41) is fixedly connected with the protection frame (1) through a cross beam (9).

8. The multifunctional rolling device for machining according to claim 7, characterized in that: the lower ends of the protection frame (1) and the base (41) are fixedly connected with upright columns (10).

9. The multifunctional rolling device for machining according to claim 8, characterized in that: the lower end of the upright post (10) is provided with a movable wheel (11) with a self-locking function.