Long-strip-shaped steel plate leveling machine

Abstract

A long-strip-shaped steel plate leveling machine comprises a base, a motor device and two supporting plates, and a lower roller unit and an upper roller unit located above the lower roller unit are arranged between the two supporting plates; the lower roller unit comprises two driven roller sets and a driving pressing roller located between the two driven roller sets. The driven roller set comprises a plurality of driven pressing rollers and a plurality of driven gears. The front ends and the rear ends of the driving pressing rollers and the driven pressing rollers are rotationally connected with the two supporting plates correspondingly. A driven gear is mounted on each driven compression roller, and two adjacent driven gears in the same driven roller group are in meshing transmission through a driven carrier gear; the front end of the driving compression roller is in transmission connection with the rotating output end of the motor device and is provided with a driving gear, and the left side and the right side of the driving gear are respectively meshed with one driven gear of the two driven roller sets through one driving carrier gear. According to the utility model, the equipment structure is simplified, the manufacturing cost is reduced, the operation cost of the leveling machine is reduced, the synchronous control precision is improved, and the leveling quality of a steel plate is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of leveling machines, and particularly relates to a strip-shaped steel plate leveling machine. Background Art

[0002] In the production and processing of steel plates, it is usually necessary to level the steel plates to improve the quality of the steel plates processed into other products.

[0003] Referring to a steel plate leveling machine disclosed in the Chinese patent with the patent number 201320434009.4, which includes: a driving device, a base, a frame, a lifting mechanism, an upper pressure roller group, a driven pressure roller group and a gear group; the driven pressure roller group is fixed on the frame and can rotate around its roller shaft; the lifting mechanism is fixed on the frame, and the upper pressure roller group is fixed on the lifting mechanism and can rotate around its roller shaft; the driving device is fixed on the base and drives the driven pressure roller group to rotate through the gear group. In this patent, the number of the lower pressure roller groups is two, and each lower pressure roller group is configured with an independent driving device and a gear group, realizing the design of multiple driving sources, so as to meet the leveling path requirements of various lengths. However, this solution requires a driving device to be configured for each lower pressure roller group respectively, increasing the complexity and manufacturing cost of the equipment; moreover, multiple driving devices work simultaneously, which may lead to an increase in energy consumption and operating cost, and the synchronous control of multiple driving sources is difficult, which may affect the leveling accuracy and stability. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a strip-shaped steel plate leveling machine.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A strip-shaped steel plate leveling machine includes a base, a motor device arranged on the base and two support plates. A lower roller unit and an upper roller unit located above the lower roller unit are arranged between the two support plates, and the upper roller unit is installed on the two support plates through a lifting mechanism; it is characterized in that: the lower roller unit includes two driven roller groups distributed from left to right and a driving pressure roller located between the two driven roller groups;

[0007] Each driven roller group includes a plurality of driven pressure rollers and a plurality of driven gears. The front and rear ends of the driving pressure roller and the driven pressure rollers are respectively rotatably connected to the two support plates, and the driving pressure roller and the driven pressure rollers are arranged on the same straight line;

[0008] One driven gear is installed on each driven pressure roller, and adjacent two driven gears in the same driven roller group are meshed and driven through a driven cross-over gear;

[0009] The front end of the active pressure roller is drivingly connected to the rotating output end of the motor device and is provided with an active gear. The left and right sides of the active gear are respectively meshed with a driven gear of two driven roller groups through an active cross-over gear.

[0010] In the present utility model, the driven gear, the driven cross-over gear, the active gear and the active cross-over gear form a gear transmission mechanism. The gear transmission mechanism is located in front of the support plate at the front end. The base is provided with a grease collection waste tank directly below the gear transmission mechanism.

[0011] In the present utility model, the grease collection waste tank includes an oil receiving tank body and a plurality of L-shaped brackets fixedly arranged on the front side of the oil receiving tank body. The L-shaped brackets are fixedly installed on the base and support the front side of the oil receiving tank body. The rear side of the oil receiving tank body abuts against the front side surface of the support plate at the front end, so that the support plate at the front end supports the rear side of the oil receiving tank body.

[0012] In the present utility model, a gear protection cover covering the gear transmission mechanism is provided on the front side surface of the support plate at the front end. The bottom of the gear protection cover is a through opening directly above the grease collection waste tank.

[0013] In the present utility model, the upper roller unit includes two lifting plates and a plurality of upper pressure rollers arranged in a row from left to right. Each support plate is guidingly connected to one of the lifting plates. The front and rear ends of the upper pressure roller are respectively rotationally connected to the two lifting plates.

[0014] In the present utility model, support arms are convexly provided at both the left and right ends of the top of the support plate. The support plate and the two support arms enclose a lifting activity area. Guide plates are installed on both the front and rear sides of each support arm. The support arm and the two guide plates enclose a vertical lifting groove. The lifting plate is arranged in the lifting activity area and the left and right ends are respectively slidably fitted in the vertical lifting groove.

[0015] In the present utility model, an installation cross beam is commonly installed on the two support arms on the same support plate. The lifting mechanism includes two sets of lifting drive modules. Each set of lifting drive modules includes a lifting motor device, a transmission shaft assembly, a front screw lifter and a rear screw lifter. The front screw lifter and the rear screw lifter are respectively installed on the two installation cross beams. The front screw lifter and the rear screw lifter act synchronously through the transmission shaft assembly. The rotating output end of the lifting motor device is drivingly connected to the action input end of the front screw lifter or the rear screw lifter. The lifting screw of the front screw lifter is connected to one of the lifting plates, and the lifting screw of the rear screw lifter is connected to the other lifting plate.

[0016] In the present utility model, both the support plate and the lifting plate are made of steel plates with a thickness greater than or equal to mm. The support arm and the support plate are integrally formed.

[0017] In the present utility model, two upper roller baffles for preventing steel plates from entering above the upper pressure rollers are jointly connected between two support plates. A plurality of the upper pressure rollers are arranged between the two upper roller baffles. The bottom of the upper roller baffle is higher than the bottom of the upper pressure roller and lower than the axial center height of the upper pressure roller.

[0018] In the present utility model, a left support plate located to the left of the lower roller unit and a right support plate located to the right of the lower roller unit are provided between the two support plates. The top surfaces of the left support plate and the right support plate are both lower than the tops of the active pressure roller and the driven pressure roller.

[0019] Advantages of the present utility model: By providing an active gear on the active pressure roller, the active gear drives the driven gears and driven cross gears of the two driven roller groups to rotate through an active cross gear, enabling the active pressure roller and the multiple driven pressure rollers of the two driven roller groups to rotate synchronously. In this way, while simplifying the equipment structure and reducing the manufacturing cost, the operating cost of the leveling machine is reduced, the synchronous control accuracy is improved, and the leveling quality of the steel plate is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0021] Figure 1 is a three-dimensional view of the leveling machine Figure 1 ;

[0022] Figure 2 is an installation schematic diagram of the active pressure roller;

[0023] Figure 3 is an installation schematic diagram of the active pressure roller, driven pressure roller and upper pressure roller;

[0024] Figure 4 is an installation schematic diagram of the gear transmission mechanism;

[0025] Figure 5 is an installation schematic diagram of the upper pressure roller;

[0026] Figure 6 is an installation schematic diagram of the driven pressure roller;

[0027] Figure 7 is a three-dimensional view of the leveling machine Figure 1 . DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0029] It should be noted that if there are directional indications involved in the embodiments of the present utility model (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then such directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present utility model, then such descriptions of "first" or "second" are only for descriptive purposes and cannot be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0031] Referring to Figures 1-6 , a long-strip steel plate leveling machine, comprising a base 1, a motor device 2 provided on the base 1, and two support plates 3. The two support plates 3 are arranged in sequence from front to back. A lower roller unit 4 and an upper roller unit 5 located above the lower roller unit 4 are provided between the two support plates 3. The upper roller unit 5 is installed on the two support plates 3 through a lifting mechanism 6. The upper roller unit 5 moves up and down relative to the lower roller unit 4 under the drive of the lifting mechanism 6. The lower roller unit 4 includes two driven roller groups distributed from left to right and a driving pressure roller 41 located between the two driven roller groups;

[0032] Each driven roller group includes a plurality of driven pressure rollers 42 and a plurality of driven gears 43. The front and rear ends of the driving pressure roller 41 and the driven pressure rollers 42 are respectively rotatably connected to the two support plates 3, and the driving pressure roller 41 and the driven pressure rollers 42 are arranged on the same straight line;

[0033] A driven gear 43 is installed on each driven pressure roller 42. Adjacent two driven gears 43 in the same driven roller group are meshed and driven through a driven cross-over gear 44. The driven cross-over gear 44 is rotatably installed on the front support plate 3;

[0034] The front end of the driving pressure roller 41 is in transmission connection with the rotary output end of the motor device 2 and is provided with a driving gear 45. The left and right sides of the driving gear 45 are respectively meshed with a driven gear 43 of the two driven roller groups through a driving cross-over gear 46. The driving cross-over gear 46 is rotatably installed on the front support plate 3.

[0035] In this embodiment, an active gear 45 is provided on the active pressure roller 41. The active gear 45 drives the driven gears 43 and the driven cross-connecting gears 44 of the two driven roller groups to rotate through the active cross-connecting gear 46, so that the active pressure roller 41 and the multiple driven pressure rollers 42 of the two driven roller groups can rotate synchronously. In this way, while simplifying the equipment structure and reducing the manufacturing cost, the operating cost of the leveling machine is reduced, the synchronous control accuracy is improved, and the leveling quality of the steel plate is ensured.

[0036] As a preferred embodiment, the motor device 2 includes a driving motor 21 and a speed reducer 22 installed on the base 1. A first pulley 23 is provided on the output rotating shaft of the driving motor 21, and a second pulley 24 is provided on the input rotating shaft of the speed reducer 22. The first pulley 23 and the second pulley 24 are driven by a transmission belt 25.

[0037] As a preferred embodiment, the driven gear 43, the driven cross-connecting gear 44, the active gear 45 and the active cross-connecting gear 46 form a gear transmission mechanism. The gear transmission mechanism is located in front of the front support plate 3. An oil grease collection waste trough 7 is provided on the base 1 directly below the gear transmission mechanism to prevent the lubricating oil on each gear from directly dropping onto the base 1. Further, the oil grease collection waste trough 7 includes an oil receiving trough body 71 and a plurality of L-shaped brackets 72 fixedly provided on the front side of the oil receiving trough body 71. The L-shaped brackets 72 are fixedly installed on the base 1 and support the front side of the oil receiving trough body 71. The rear side of the oil receiving trough body 71 abuts against the front side surface of the front support plate 3 at the front end, so that the front support plate 3 at the front end supports the rear side of the oil receiving trough body 71 to complete the installation of the oil receiving trough body 71. The structure is simple and the installation is convenient.

[0038] As a preferred embodiment, a gear protection cover 8 covering the gear transmission mechanism is provided on the front side surface of the front support plate 3 at the front end. The bottom of the gear protection cover 8 is a through opening directly above the oil grease collection waste trough 7. The gear protection cover 8 can reduce the risk of foreign objects damaging the gear transmission mechanism.

[0039] As a preferred embodiment, the upper roller unit 5 includes two lifting plates 51 and a plurality of upper pressure rollers 52 arranged in sequence from left to right. Each of the support plates 3 is guidingly connected to one of the lifting plates 51. The front and rear ends of the upper pressure roller 52 are respectively rotatably connected to the two lifting plates 51.

[0040] As a preferred embodiment, support arms 31 are convexly provided at both the left and right ends of the top of the support plate 3. The support plate 3 and the two support arms 31 enclose a lifting activity area 30 for the up-and-down movement of the lifting plate 51. Guide plates 32 are installed on both the front and rear sides of each support arm 31. The support arm 31 and the two guide plates 32 enclose a vertical lifting groove. The lifting plate 51 is arranged in the lifting activity area 30, and the left and right ends thereof are respectively slidably matched in the vertical lifting groove, so that the lifting plate 51 can extend and move in a guided manner along the vertical lifting groove, improving the stability and quality of the lifting of the lifting plate 51.

[0041] As a preferred embodiment, an installation cross beam 33 is jointly installed on the two support arms 31 on the same support plate 3. After the installation cross beam 33 is installed, it can ensure that the distance between the two support arms 31 on the same support plate 3 is not easily changed; the lifting mechanism 6 includes two sets of lifting drive modules 61, and the two sets of lifting drive modules 61 are arranged in a left-right distribution; each set of the lifting drive module 61 includes a lifting motor device 62, a transmission shaft assembly 63, a front screw lifter 64 and a rear screw lifter 65. The front screw lifter 64 and the rear screw lifter 65 are respectively installed on the two installation cross beams 33, and the front screw lifter 64 and the rear screw lifter 65 act synchronously through the transmission shaft assembly 63. The rotary output end of the lifting motor device 62 is in transmission connection with the action input end of the front screw lifter 64 or the rear screw lifter 65. The lifting screw of the front screw lifter 64 is connected to one of the lifting plates 51, and the lifting screw of the rear screw lifter 65 is connected to the other lifting plate 51.

[0042] As a preferred embodiment, a lifting flange 53 is welded to the top of the lifting plate 51. Installation flanges 66 adapted to the lifting flange 53 are welded to the bottoms of the lifting screws of the front screw lifter 64 and the rear screw lifter 65 respectively. The lifting flange 53 and the installation flange 66 are fixed by a set of fastening bolts.

[0043] As a preferred embodiment, to improve the structural stability of the leveling machine, the support plate 3 and the lifting plate 51 are both made of steel plates with a thickness greater than or equal to 80 mm. The support arm 31 is integrally formed with the support plate 3. The support plate 3 and the lifting plate 51 are both of integral plate structures, which can improve the stability of the installation of each pressure roller.

[0044] As a preferred embodiment, in order to improve the structural stability of the support arm 31, two fastening components 9 arranged from left to right are provided between the two support plates 3. The two fastening components 9 are respectively connected to the two support arms 31 of the support plate 3. The fastening component 9 includes a fastening screw 91 and two sets of fasteners. The fastening screw 91 is inserted through the two support arms 31 corresponding to the front and back. The two sets of fasteners respectively lock one support arm 31. Each set of fasteners includes a first fastening nut 92 and a second fastening nut 93 threadedly sleeved on the fastening screw 91. The first fastening nut 92 and the second fastening nut 93 respectively abut against the front and back sides of the support arm 31, thereby locking the support arm 31.

[0045] As a preferred embodiment, a left support plate 10 located to the left of the lower roller unit 4 and a right support plate 11 located to the right of the lower roller unit 4 are provided between the two support plates 3. The top surfaces of the left support plate 10 and the right support plate 11 are both lower than the tops of the active pressure roller 41 and the driven pressure roller 42. The left support plate 10 and the right support plate 11 are used to support the steel plate, which is beneficial for the steel plate to enter between the lower roller unit 4 and the upper roller unit 5.

[0046] As a preferred embodiment, a plurality of lower mounting holes are provided on the support plate 3. Each of the active pressure roller 41 and the driven pressure roller 42 includes a front end shaft portion, a roller main body, and a rear end shaft portion that are integrally formed axially in sequence. The front end shaft portion of the driven pressure roller 42 passes through the lower mounting hole of the front support plate 3 and is fixedly installed with the driven gear 43. The front end shaft portion of the active pressure roller 41 passes through the lower mounting hole of the front support plate 3 and is fixedly installed with the active gear 45. A first bearing 401 that is fitted and fixed in the lower mounting hole is sleeved outside the front end shaft portion. A front retaining ring 33 sleeved on the front end shaft portion is installed on the front side surface of the front support plate 3. The front retaining ring is used to abut against the outer ring of the first bearing 401 for limiting, restricting the first bearing 401 from moving forward. The rear end shaft portion is inserted into the lower mounting hole of the rear support plate 3. A second bearing 402 that is fitted and fixed in the lower mounting hole is sleeved outside the rear end shaft portion. A plurality of rear retaining covers 34 are installed on the rear side surface of the rear support plate 3. Each lower mounting hole on the rear support plate 3 corresponds to one of the rear retaining covers 34. The rear retaining cover 34 is used to abut against the outer ring of the second bearing 402 for limiting, restricting the second bearing 402 from moving backward. Press roller step portions are protruded at both the front and rear ends of the roller main body. The two press roller step portions respectively abut against the inner rings of the first bearing 401 and the second bearing 402, thereby realizing the rotational installation of the roller main body.

[0047] In this embodiment, an extension shaft portion extends from the front end of the front shaft portion of the active pressure roller 41. A mating shaft seat 403 that rotates synchronously with it is sleeved on the extension shaft portion. An active shaft seat 26 fixedly connected to the mating shaft seat 403 is provided on the output rotating shaft of the speed reducer 22, thereby achieving the purpose of driving connection between the speed reducer 22 and the active pressure roller 41.

[0048] In this embodiment, a plurality of upper mounting holes are provided on the lifting plate 51. Each upper pressure roller 52 includes an upper roller main body and two upper roller shaft portions respectively protruding from the front and rear ends of the upper roller main body. The two upper roller shaft portions are respectively rotatably mounted in the upper mounting holes of the two lifting plates 51 through third bearings 54. A plurality of upper retaining covers 55 are mounted on the front side surface of the front lifting plate 51 and the rear side surface of the rear lifting plate 51. Each upper retaining cover 55 corresponds to an upper mounting hole. The upper retaining cover 55 is used to abut against the outer ring of the third bearing 54. Upper roller step portions for abutting against the inner cavity of the third bearing 54 are respectively protruded at the front and rear ends of the upper roller main body, thereby achieving the rotational mounting of the main pressure roller.

[0049] In this embodiment, two upper roller baffles 13 for preventing the steel plate from entering above the upper pressure roller 52 are commonly connected between the two support plates 3. A plurality of the upper pressure rollers 52 are arranged between the two upper roller baffles 13. The bottom of the upper roller baffle 13 is higher than the bottom of the upper pressure roller 52 and lower than the axial center height of the upper pressure roller 52.

[0050] The above are only the preferred embodiments of the present invention. As long as the technical solutions that achieve the purpose of the present invention by basically the same means fall within the protection scope of the present invention.

Claims

1. A long steel plate leveling machine, comprising a base (1), a motor device (2) arranged on the base (1) and two support plates (3), a lower roller unit (4) and an upper roller unit (5) located above the lower roller unit (4) are arranged between the two support plates (3), and the upper roller unit (5) is installed on the two support plates (3) via a lifting mechanism (6); characterized in that: The lower roller unit (4) comprises two driven roller groups distributed from left to right and an active pressure roller (41) located between the two driven roller groups; The driven roller group comprises a plurality of driven pressure rollers (42) and a plurality of driven gears (43), the front and rear ends of the active pressure roller (41) and the driven pressure roller (42) are respectively rotatably connected to two support plates (3), and the active pressure roller (41) and the driven pressure roller (42) are arranged on the same straight line; A driven gear (43) is mounted on each of the driven pressure rollers (42), and two adjacent driven gears (43) in the same driven roller group are meshed and driven via a driven bridge gear (44); The front end of the active pressure roller (41) is transmission-connected to the rotation output end of the motor device (2) and is provided with a driving gear (45). The left and right sides of the driving gear (45) are respectively meshed with a driven gear (43) of the two driven roller groups via a driving bridge gear (46).

2. The long steel plate leveling machine according to claim 1, characterized in that: The driven gear (43), the driven bridge gear (44), the driving gear (45) and the driving bridge gear (46) form a gear transmission mechanism, the gear transmission mechanism is located in front of the front support plate (3), and the base (1) is provided with a grease waste collection tank (7) located directly below the gear transmission mechanism.

3. The long steel plate leveling machine according to claim 2, characterized in that: The grease waste collecting tank (7) comprises an oil receiving tank body (71) and a plurality of L-shaped brackets (72) fixedly arranged on the front side of the oil receiving tank body (71); the L-shaped brackets (72) are fixedly mounted on the base (1) and support the front side of the oil receiving tank body (71); the rear side of the oil receiving tank body (71) abuts against the front side of the support plate (3) located at the front end, so that the support plate (3) at the front end supports the rear side of the oil receiving tank body (71).

4. The long steel plate leveling machine according to claim 3, characterized in that: A gear protection cover (8) is provided on the front side surface of the front support plate (3) and is arranged outside the gear transmission mechanism. The bottom of the gear protection cover (8) is a through opening directly above the grease waste collecting tank (7).

5. The long steel plate leveling machine according to claim 1, characterized in that: The upper roller unit (5) comprises two lifting plates (51) and a plurality of upper pressing rollers (52) arranged from left to right, each of the support plates (3) is guided and connected to one of the lifting plates (51), and the front and rear ends of the upper pressing rollers (52) are respectively rotatably connected to the two lifting plates (51).

6. The long steel plate leveling machine according to claim 5, characterized in that: Support arms (31) are protrudingly provided at both left and right ends of the top of the support plate (3); the support plate (3) and the two support arms (31) together form a lifting activity area (30); guide plates (32) are installed on both front and rear sides of each support arm (31); the support arms (31) and the two guide plates (32) together form a vertical lifting groove; the lifting plate (51) is arranged in the lifting activity area (30) and the left and right ends are respectively slidably fitted in the vertical lifting groove.

7. The long steel plate leveling machine according to claim 6, characterized in that: Two support arms (31) on the same support plate (3) are commonly mounted with a mounting crossbeam (33). The lifting mechanism (6) comprises two sets of lifting drive modules (61). Each set of the lifting drive modules (61) comprises a lifting motor device (62), a transmission shaft assembly (63), a front screw lifter (64) and a rear screw lifter (65). The front screw lifter (64) and the rear screw lifter (65) are respectively mounted on two mounting crossbeams (33). The front screw lifter (64) and the rear screw lifter (65) move synchronously via the transmission shaft assembly (63). The rotation output end of the lifting motor device (62) is transmission-connected to the action input end of the front screw lifter (64) or the rear screw lifter (65). The lifting screw of the front screw lifter (64) is connected to one of the lifting plates (51), and the lifting screw of the rear screw lifter (65) is connected to the other lifting plate (51).

8. The long steel plate leveling machine according to claim 6, characterized in that: The support plate (3) and the lifting plate (51) are both made of steel plates with a thickness greater than or equal to 80 mm, and the support arm (31) and the support plate (3) are integrally formed.

9. The long steel plate leveling machine according to claim 5, characterized in that: Two upper roller baffles (13) for preventing steel plates from entering above the upper pressing roller (52) are commonly connected between the two support plates (3); a plurality of upper pressing rollers (52) are arranged between the two upper roller baffles (13); and the bottom of the upper roller baffle (13) is higher than the bottom of the upper pressing roller (52) and lower than the axial height of the upper pressing roller (52).

10. The long steel plate leveling machine according to claim 1, characterized in that: A left support plate (10) located on the left side of the lower roller unit (4) and a right support plate (11) located on the right side of the lower roller unit (4) are provided between the two support plates (3), and the top surfaces of the left support plate (10) and the right support plate (11) are both lower than the tops of the active pressure roller (41) and the driven pressure roller (42).

Images