Movable cantilever type straightening machine

Abstract

The utility model provides a movable cantilever type straightening machine which comprises a base, a movable cantilever, a straightening mechanism and a movable cantilever, wherein a positioning groove is formed in the base; the number of the straightening devices is two, moving platforms are fixedly arranged at the bottom ends of the straightening devices, and the moving platforms of the two straightening devices are movably connected to the base; the positioning device comprises a positioning pin, the positioning pin is arranged in the direction perpendicular to the moving direction of the straightening device, the positioning pin is movably connected to the straightening device, and the positioning pin is located on the inner side of the positioning groove; and the driving assembly is used for driving the moving platform to move. The straightening machine has the advantages that the two straightening assemblies are arranged, so that the problems that the production rhythm is affected and the efficiency is reduced due to online roller replacement, accident rescue and maintenance shutdown of the straightening machine are solved, the efficiency of maintenance workers during production is improved, the shutdown time is shortened, the repair time and the labor intensity of the workers are reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel processing and straightening, and particularly relates to a movable cantilever type straightening machine. Background Art

[0002] In recent years, profiles have become indispensable main products. As an upstream industry of profiles, section steel rolling enterprises have achieved great development. However, higher requirements are also put forward for production efficiency and finished product output. The straightening process, as an important link in the whole section steel production line, plays an important role in improving the internal quality and appearance of profiles. The quality of section steel straightening, the adjustable precision of the straightening machine, and the roll changing speed of the straightening machine directly affect the production efficiency and product quality of section steel.

[0003] Most of the existing straightening machines are directly fixed on the civil engineering foundation and are immovable. When changing rolls, overhead cranes are used for hoisting or roll changing brackets are used for roll changing, which takes a lot of time. If a straightening machine fails, production needs to be stopped for maintenance, which is time-consuming and laborious, affects the production rhythm, and reduces production efficiency. Content of the Utility Model

[0004] In view of this, the utility model aims to provide a movable cantilever type straightening machine in order to solve at least one of the above partial technical problems.

[0005] To achieve the above object, the technical solution of the utility model is realized as follows:

[0006] A movable cantilever type straightening machine includes:

[0007] A base, on which a positioning groove is formed;

[0008] Straightening devices, the number of the straightening devices is two, a moving platform is fixedly arranged at the bottom end of each straightening device, and the moving platforms of the two straightening devices are movably connected to the base;

[0009] A positioning device, the positioning device includes a positioning pin, the positioning pin is arranged perpendicular to the moving direction of the straightening device, the positioning pin is movably connected to the straightening device, and the positioning pin is located inside the positioning groove;

[0010] A driving component, the driving is used to drive the moving platform to move.

[0011] Further, the driving component is a rotating component, a driving gear is arranged on the output shaft of the rotating component, a rack is fixedly arranged on the base along the moving direction of the straightening device, and the driving gear meshes with the rack;

[0012] The housing of the rotating component is fixedly connected to the moving platform of the straightening device.

[0013] Further, the rotating assembly is a hydraulic motor, the housing of the hydraulic motor is fixedly connected to the moving platform, the output shaft of the hydraulic motor is connected to the input end of the speed reducer, and the output end of the speed reducer is connected to the driving gear.

[0014] Further, the number of the racks is two, corresponding to both sides of the moving platform respectively, the number of the driving gears is two, the two driving gears are concentrically arranged, the two driving gears are connected by a synchronous shaft, and the two driving gears are respectively meshed with the two racks.

[0015] Further, a bottom roller path is fixedly arranged on the base, a bottom guide plate is fixedly arranged at the bottom end of the moving platform, and the lower end surface of the bottom guide plate of the moving platform is in contact with the outer side wall of the rotating roller of the bottom roller path;

[0016] Side plates are fixedly arranged on both sides of the base along the moving direction of the straightening device, the moving platform is located between the two side plates, guiding rollers corresponding to the side plates are arranged on both sides of the moving platform, and side guide plates corresponding to the guiding rollers are fixedly arranged on the side plates.

[0017] Further, both the bottom guide plate and the side guide plate are structural parts made of wear-resistant steel.

[0018] Further, a positioning plate is fixedly arranged on the side plate, a positioning groove corresponding to the positioning pin is formed on the positioning plate, the positioning pin is fixedly connected to the output shaft of the hydraulic cylinder, and the housing of the hydraulic cylinder is fixedly connected to the moving platform.

[0019] Further, the outer edge of one end of the positioning pin close to the positioning plate adopts a chamfer structure, the positioning groove is a tapered groove, and the tapered groove is matched with the chamfer structure of the positioning pin.

[0020] Further, a wear-resistant tapered sleeve is arranged inside the positioning groove, and the inner side of the wear-resistant tapered sleeve is matched with the chamfer structure of the positioning pin;

[0021] The wear-resistant tapered sleeve is detachably connected to the inside of the positioning groove by bolts;

[0022] The wear-resistant tapered sleeve is a structural part made of wear-resistant steel.

[0023] Further, two first limiting plates are fixedly arranged on the base, second limiting plates corresponding to the first limiting plates are fixedly arranged on the moving platform, and the first limiting plates limit the second limiting plates along the moving direction of the straightening device.

[0024] Compared with the prior art, the movable cantilever type straightening machine of the present utility model has the following beneficial effects:

[0025] A movable cantilever type straightening machine according to the present utility model solves the problems that the straightening machine affects the production rhythm during online roll change, accident rescue, and maintenance shutdown, reduces efficiency, improves the efficiency of maintenance workers during production, shortens the downtime, reduces the rush repair time and labor intensity of workers, and reduces the production cost by arranging two straightening components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0027] Figure 1 is a schematic side view structure diagram of the straightening machine according to an embodiment of the present utility model;

[0028] Figure 2 is for the embodiment of the present utility model Figure 1 schematic structure diagram at position A;

[0029] Figure 3 is a schematic front view structure diagram of the straightening machine according to an embodiment of the present utility model;

[0030] Figure 4 is for the embodiment of the present utility model Figure 3 schematic structure diagram at position B;

[0031] Figure 5 is a schematic structure diagram of the drive assembly according to an embodiment of the present utility model;

[0032] Figure 6 is a schematic sectional structure diagram at the positioning pin according to an embodiment of the present utility model;

[0033] Figure 7 is for the embodiment of the present utility model Figure 6 schematic structure diagram at position C.

[0034] DESCRIPTION OF THE REFERENCE NUMERALS:

[0035] 1, straightening device; 2, base; 3, moving platform; 4, side plate; 5, roller path; 6, positioning pin; 7, drive gear; 8, synchronizing shaft; 9, speed reducer; 10, hydraulic motor; 11, positioning plate; 12, hydraulic cylinder; 13, wear-resistant tapered sleeve; 14, rack; 301, bottom guide plate; 302, guide roller; 401, side guide plate; 1101, positioning groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0037] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0038] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0039] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0040] As Figures 1 to 7 shown, a movable cantilever straightening machine includes: a base 2, on which a positioning groove 1101 is formed; a straightening device 1, the number of the straightening devices 1 is two, a moving platform 3 is fixedly provided at the bottom end of the straightening device 1, and the moving platforms 3 of the two straightening devices 1 are movably connected to the base 2; a positioning device, the positioning device includes a positioning pin 6, the positioning pin 6 is arranged perpendicular to the moving direction of the straightening device 1, the positioning pin 6 is movably connected to the straightening device 1, and the positioning pin 6 is located inside the positioning groove 1101; a driving assembly, the driving assembly is used to drive the moving platform 3 to move.

[0041] The straightening device 1 employs but is not limited to the existing cantilever straightening machine.

[0042] The driving component is a rotating component. An active driving gear 7 is provided on the output shaft of the rotating component. A rack 14 is fixedly provided on the base 2 along the moving direction of the straightening device 1. The driving gear 7 meshes with the rack 14. The housing of the rotating component is fixedly connected to the moving platform 3 of the straightening device 1. The rotating component is a hydraulic motor 10. The housing of the hydraulic motor 10 is fixedly connected to the moving platform 3. The output shaft of the hydraulic motor 10 is connected to the input end of a speed reducer 9. The output end of the speed reducer 9 is connected to the driving gear 7. The number of racks 14 is two, corresponding to both sides of the moving platform 3 respectively. The number of driving gears 7 is two. The two driving gears 7 are concentrically arranged. The two driving gears 7 are connected by a synchronous shaft 8. The two driving gears 7 respectively mesh with the two racks 14. The rotating component can also be an electric motor. The driving component can also be driven by a hydraulic linear cylinder. The housing of the hydraulic linear cylinder is connected to the base 2. The output shaft of the hydraulic linear cylinder is connected to the moving platform 3.

[0043] A bottom roller path 5 is fixedly provided on the base 2. A bottom guide plate 301 is fixedly provided at the bottom end of the moving platform 3. The lower end surface of the bottom guide plate 301 of the moving platform 3 contacts the outer side wall of the rotating roller of the bottom roller path 5. The number of bottom roller paths 5 is four. The four bottom roller paths 5 are arranged perpendicular to the moving direction of the moving platform 3. The setting of the bottom guide plate 301 prevents scratching of the moving platform 3. Side plates 4 are fixedly provided on both sides of the base 2 along the moving direction of the straightening device 1. The moving platform 3 is located between the two side plates 4. Guide rollers 302 corresponding to the side plates 4 are provided on both sides of the moving platform 3. Side guide plates 401 corresponding to the guide rollers 302 are fixedly provided on the side plates 4. The number of guide rollers 302 is multiple. The multiple guide rollers 302 are evenly arranged along the moving direction of the moving platform 3. During the movement of the moving platform 3, the side guide plate 401 contacts the guide roller 302, playing a guiding role.

[0044] Both the bottom guide plate 301 and the side guide plate 401 are structural parts made of wear-resistant steel. The wear-resistant steel bottom guide plate 301 and side guide plate 401 improve the service life of the straightening machine.

[0045] A positioning plate 11 is fixedly arranged on the side plate 4. A positioning groove 1101 corresponding to the positioning pin 6 is formed on the positioning plate 11. The positioning pin 6 is fixedly connected to the output shaft of the hydraulic cylinder 12, and the housing of the hydraulic cylinder 12 is fixedly connected to the moving platform 3. The outer edge of one end of the positioning pin 6 adjacent to the positioning plate 11 adopts a chamfer structure. The positioning groove 1101 is a tapered groove, and the tapered groove matches the chamfer structure of the positioning pin 6. A wear-resistant tapered sleeve 13 is arranged inside the positioning groove 1101, and the inner side of the wear-resistant tapered sleeve 13 matches the chamfer structure of the positioning pin 6. The wear-resistant tapered sleeve 13 and the chamfer structure play a guiding role during the insertion of the positioning pin 6, facilitating the insertion of the positioning pin 6. The wear-resistant tapered sleeve 13 is detachably connected to the inner side of the positioning groove 1101 through bolts. The detachable connection of the wear-resistant tapered sleeve 13 facilitates the replacement of the wear-resistant tapered sleeve 13 and improves work efficiency. The wear-resistant tapered sleeve 13 is a structural part made of wear-resistant steel, and the wear-resistant tapered sleeve 13 made of wear-resistant steel extends the service life of the straightening machine.

[0046] Two first limiting plates are fixedly arranged on the base 2, and second limiting plates corresponding to the first limiting plates are fixedly arranged on the moving platform 3. The first limiting plates limit the second limiting plates along the moving direction of the straightening device 1.

[0047] Working process:

[0048] When this solution is implemented, the middle of the base 2 is the straightening station, and the two ends are the first standby station and the second standby station respectively. One straightening device 1 is located at the straightening station for use, and the other straightening device 1 is located at the second standby station as the standby straightening device 1. When the straightening device 1 in use needs to be maintained, the cylinder on the straightening device 1 in use drives the positioning pin 6 to move away from the positioning groove 1101, and the hydraulic motor 10 drives the driving gear 7 to rotate, driving the straightening device 1 in use to move away from the standby straightening device 1 to the first standby station for maintenance. The hydraulic motor 10 on the standby straightening device 1 drives the driving gear 7 to rotate, and the hydraulic motor 10 drives the driving gear 7 to rotate, driving the straightening device 1 in use to move towards the straightening station. When it moves to the straightening station, the first limiting plate limits the second limiting plate of the standby straightening device 1. Then, the output shaft of the hydraulic cylinder 12 extends, and the positioning pin 6 moves towards the positioning groove 1101. Under the guiding action of the wear-resistant tapered sleeve 13 and the chamfer structure of the positioning pin 6, the positioning pin 6 is inserted into the wear-resistant tapered sleeve 13 to position the standby straightening device 1, and the standby straightening device 1 performs straightening operations.

[0049] By setting two straightening components, the problems that the online roll change, accident emergency repair, and maintenance shutdown of the straightening machine affect the production rhythm and reduce efficiency are solved, the efficiency of maintenance workers during production is improved, the downtime is shortened, the emergency repair time and labor intensity of workers are reduced, and the production cost is reduced.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present embodiments, and they should all be covered by the scope of the claims and the specification of the present invention.

[0051] The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A movable cantilever straightening machine, characterized in that: include: A base (2), wherein a positioning groove (1101) is formed on the base (2); A straightening device (1), wherein the number of the straightening devices (1) is two, a movable platform (3) is fixedly provided at the bottom end of the straightening device (1), and the movable platforms (3) of the two straightening devices (1) are movably connected to the base (2); A positioning device, the positioning device comprising a positioning pin (6), the positioning pin (6) being arranged in a direction perpendicular to the moving direction of the straightening device (1), the positioning pin (6) being movably connected to the straightening device (1), and the positioning pin (6) being located on the inner side of the positioning groove (1101); A driving component is used to drive the mobile platform (3) to move.

2. A movable cantilever straightening machine according to claim 1, characterized in that: The driving assembly is a rotating assembly, an active driving gear (7) is provided on the output shaft of the rotating assembly, a rack (14) is fixedly provided on the base (2) and arranged along the moving direction of the straightening device (1), and the driving gear (7) is meshed with the rack (14); The housing of the rotating assembly is fixedly connected to the moving platform (3) of the straightening device (1).

3. A movable cantilever straightening machine according to claim 2, characterized in that: The rotating assembly is a hydraulic motor (10), the housing of the hydraulic motor (10) is fixedly connected to the mobile platform (3), the output shaft of the hydraulic motor (10) is connected to the input end of the reducer (9), and the output end of the reducer (9) is connected to the driving gear (7).

4. A movable cantilever straightening machine according to claim 2, characterized in that: The number of the racks (14) is two, corresponding to the two sides of the mobile platform (3) respectively; the number of the driving gears (7) is two, the two driving gears (7) are concentrically arranged, the two driving gears (7) are connected via a synchronization shaft (8), and the two driving gears (7) are respectively meshed with the two racks (14).

5. The movable cantilever straightening machine according to claim 1, characterized in that: A bottom roller (5) is fixedly provided on the base (2), a bottom guide plate (301) is fixedly provided at the bottom end of the mobile platform (3), and the lower end surface of the bottom guide plate (301) of the mobile platform (3) contacts the outer side wall of the rotating roller of the bottom roller (5); Side plates (4) arranged along the moving direction of the straightening device (1) are fixedly provided on both sides of the base (2); the movable platform (3) is located between the two side plates (4); guide rollers (302) corresponding to the side plates (4) are provided on both sides of the movable platform (3); and side guide plates (401) corresponding to the guide rollers (302) are fixedly provided on the side plates (4).

6. A movable cantilever straightening machine according to claim 5, characterized in that: The bottom guide plate (301) and the side guide plate (401) are both structural parts made of wear-resistant steel.

7. The movable cantilever straightening machine according to claim 5, characterized in that: A positioning plate (11) is fixedly provided on the side plate (4), and a positioning groove (1101) corresponding to the positioning pin (6) is opened on the positioning plate (11); the positioning pin (6) is fixedly connected to the output shaft of the hydraulic cylinder (12); and the housing of the hydraulic cylinder (12) is fixedly connected to the mobile platform (3).

8. The movable cantilever straightening machine according to claim 7, characterized in that: The outer edge of one end of the positioning pin (6) adjacent to the positioning plate (11) adopts a chamfered structure, and the positioning groove (1101) is a tapered groove, and the tapered groove matches the chamfered structure of the positioning pin (6).

9. The movable cantilever straightening machine according to claim 7, characterized in that: A wear-resistant conical sleeve (13) is provided on the inner side of the positioning groove (1101), and the inner side of the wear-resistant conical sleeve (13) matches the chamfered structure of the positioning pin (6); The wear-resistant conical sleeve (13) is detachably connected to the inner side of the positioning groove (1101) by means of bolts; The wear-resistant conical sleeve (13) is a structural component made of wear-resistant steel.

10. The movable cantilever straightening machine according to claim 1, characterized in that: Two first limit plates are fixedly provided on the base (2), and a second limit plate corresponding to the first limit plate is fixedly provided on the movable platform (3), wherein the first limit plate limits the second limit plate along the moving direction of the straightening device (1).

Images