Movable cantilever type straightening machine

Abstract

The invention provides a movable cantilever type straightening machine which comprises a base, a movable cantilever and a straightening mechanism. 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 beneficial effects that the two straightening assemblies are arranged, so that the problems that the production rhythm is influenced and the efficiency is reduced due to online roller replacement, accident rescue and production halt maintenance of the straightening machine are solved, the efficiency of maintenance workers during production is improved, the shutdown time is shortened, the repair time and labor intensity of the workers are reduced, and the production cost is reduced.

Description

Technical Field

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

[0002] In recent years, profiles have become an indispensable main product. As the upstream industry of profiles, profile rolling enterprises have achieved great development, but at the same time, higher requirements have been put forward for production efficiency and output of finished products. The straightening process, as an important link in the entire profile production line, is responsible for improving the internal quality and appearance of the profile. The quality of profile straightening, the adjustable accuracy of the straightening machine, and the roller changing speed of the straightening machine directly affect the production efficiency and product quality of profiles.

[0003] Most of the existing straightening machines are directly fixed on the civil engineering foundation and cannot be moved. When changing the rollers, they are hoisted by a crane or the roller changing bracket is used, which takes a lot of time. If the straightening machine fails, it is necessary to stop production for maintenance, which is time-consuming and labor-intensive, affecting the production rhythm and reducing production efficiency. Summary of the invention

[0004] In view of this, the present invention aims to provide a movable cantilever straightening machine in order to solve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] A movable cantilever straightening machine, comprising:

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

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

[0009] A positioning device, the positioning device comprising 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 at the inner side of the positioning groove;

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

[0011] Furthermore, the driving assembly is a rotating assembly, an active driving gear is provided on the output shaft of the rotating assembly, a rack arranged along the moving direction of the straightening device is fixed on the base, and the driving gear is meshed with the rack;

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

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

[0014] Furthermore, the number of the racks is two, corresponding to the two sides of the mobile 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 synchronization shaft, and the two driving gears are respectively engaged with the two racks.

[0015] Furthermore, a bottom roller is fixedly provided on the base, a bottom guide plate is fixedly provided at the bottom end of the mobile platform, and the lower end surface of the bottom guide plate of the mobile platform contacts the outer side wall of the rotating roller of the bottom roller;

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

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

[0018] Furthermore, a positioning plate is fixedly provided on the side plate, and a positioning groove corresponding to the positioning pin is opened 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 mobile platform.

[0019] Furthermore, an outer edge of one end of the positioning pin adjacent to the positioning plate adopts a chamfered structure, and the positioning groove is a tapered groove, and the tapered groove matches the chamfered structure of the positioning pin.

[0020] Furthermore, a wear-resistant conical sleeve is provided on the inner side of the positioning groove, and the inner side of the wear-resistant conical sleeve matches the chamfered structure of the positioning pin;

[0021] The wear-resistant conical sleeve is detachably connected to the inner side of the positioning groove by bolts;

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

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

[0024] Compared with the prior art, the movable cantilever straightening machine described in the present invention has the following beneficial effects:

[0025] The movable cantilever straightening machine described in the present invention solves the problem that online roller changing, accident rescue, and maintenance shutdown of the straightening machine affect the production rhythm and reduce efficiency by arranging two straightening components, improves the efficiency of maintenance workers during production, shortens downtime, reduces workers' emergency repair time and labor intensity, and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

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

[0028] Figure 2 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at A in the middle;

[0029] Figure 3 It is a front structural schematic diagram of a straightening machine according to an embodiment of the present invention;

[0030] Figure 4 For the embodiment of the present invention Figure 3 Schematic diagram of the structure at B in the middle;

[0031] Figure 5 This is a schematic diagram of the structure of a driving component according to an embodiment of the present invention;

[0032] Figure 6 It is a schematic diagram of the cross-sectional structure of the positioning pin according to an embodiment of the present invention;

[0033] Figure 7 For the embodiment of the present invention Figure 6 Schematic diagram of the structure at point C in the middle.

[0034] Description of reference numerals:

[0035] 1. Straightening device; 2. Base; 3. Mobile platform; 4. Side plate; 5. Roller; 6. Locating pin; 7. Driving gear; 8. Synchronous shaft; 9. Reducer; 10. Hydraulic motor; 11. Locating plate; 12. Hydraulic cylinder; 13. Wear-resistant conical sleeve; 14. Rack; 301. Bottom guide plate; 302. Guide roller; 401. Side guide plate; 1101. Locating groove. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

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

[0040] like Figures 1 to 7 As shown, a movable cantilever straightening machine comprises: a base 2, on which a positioning groove 1101 is formed; 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, wherein the positioning device comprises a positioning pin 6, the positioning pin 6 is arranged along a direction 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 on the inner side of the positioning groove 1101; and a driving assembly, which is used to drive the movable platform 3 to move.

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

[0042] The driving component is a rotating component, and an active driving gear 7 is provided on the output shaft of the rotating component, and a rack 14 is fixedly provided on the base 2 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 component is fixedly connected to the mobile platform 3 of the straightening device 1. The rotating component is a hydraulic motor 10, and the housing of the hydraulic motor 10 is fixedly connected to the mobile platform 3, and 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. The number of racks 14 is two, corresponding to the two sides of the mobile platform 3 respectively, and the number of driving gears 7 is two, and the two driving gears 7 are concentrically arranged, and the two driving gears 7 are connected by a synchronous shaft 8, and the two driving gears 7 are respectively meshed with two racks 14. The rotating component can also be a motor. The driving component can also be driven by a hydraulic linear cylinder, and the housing of the hydraulic linear cylinder is connected to the base 2, and the output shaft of the hydraulic linear cylinder is connected to the mobile platform 3.

[0043] A bottom roller 5 is fixedly provided on the base 2, and a bottom guide plate 301 is fixedly provided at the bottom end of the mobile platform 3. 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. There are four bottom rollers 5, and the four bottom rollers 5 are arranged perpendicular to the moving direction of the mobile platform 3. The arrangement of the bottom guide plate 301 prevents the mobile platform 3 from being scratched. Side plates 4 arranged along the moving direction of the straightening device 1 are fixedly provided on both sides of the base 2. The mobile 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 mobile platform 3. Side guide plates 401 corresponding to the guide rollers 302 are fixedly provided on the side plates 4. There are multiple guide rollers 302, and the multiple guide rollers 302 are evenly arranged along the moving direction of the mobile platform 3. During the movement of the mobile platform 3, the side guide plates 401 contact the guide rollers 302, which play a guiding role.

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

[0045] A positioning plate 11 is fixedly provided on the side plate 4, and a positioning groove 1101 corresponding to the positioning pin 6 is provided 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. The outer edge of the 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, which matches the chamfered structure of the positioning pin 6. A wear-resistant tapered sleeve 13 is provided on the inner side of the positioning groove 1101, and the inner side of the wear-resistant tapered sleeve 13 matches the chamfered structure of the positioning pin 6; the wear-resistant tapered sleeve 13 plays a guiding role with the chamfered structure during the insertion of the positioning pin 6, which facilitates the insertion of the positioning pin 6. The wear-resistant conical sleeve 13 is detachably connected to the inner side of the positioning groove 1101 by bolts. The wear-resistant conical sleeve 13 is detachably connected, which is convenient for replacing the wear-resistant conical sleeve 13 and improving work efficiency. The wear-resistant conical sleeve 13 is a structural part made of wear-resistant steel. The wear-resistant conical sleeve 13 made of wear-resistant steel prolongs the service life of the straightening machine.

[0046] Two first limit plates are fixedly provided on the base 2 , and second limit plates corresponding to the first limit plates are fixedly provided on the moving platform 3 . The first limit plates limit the second limit 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 respectively the first spare station and the second spare station. One straightening device 1 is located at the straightening station as the straightening device 1 in use, and the other straightening device 1 is located at the second spare station as the spare straightening device 1. When the straightening device 1 in use needs maintenance, the cylinder on the straightening device 1 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 spare straightening device 1 to the first spare station for maintenance. The hydraulic motor 10 on the spare straightening device 1 drives the driving gear 7 to rotate. The hydraulic motor 10 drives the driving gear 7 to rotate, driving the used straightening device 1 to move toward the straightening station. When moving to the straightening station, the first limit plate limits the second limit plate of the spare straightening device 1, and then the output shaft of the hydraulic cylinder 12 extends, and the positioning pin 6 moves toward the positioning groove 1101. Under the guidance of the wear-resistant conical sleeve 13 and the chamfering structure of the positioning pin 6, the positioning pin 6 is inserted into the wear-resistant conical sleeve 13 to position the spare straightening device 1, and the spare straightening device 1 performs the straightening operation.

[0049] By setting up two straightening components, the problem of online roller changing, accident rescue and maintenance shutdown of the straightening machine affecting the production rhythm and reducing efficiency is solved. The efficiency of maintenance workers during production is improved, the downtime is shortened, the workers' emergency repair time and labor intensity 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 aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in 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).

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