Flat-bulb steel straightening machine

Abstract

A flat-bulb steel straightening machine comprises a machine frame, a plurality of upper straightening wheels, a plurality of lower straightening wheels, upper wheel shafts corresponding to the upper straightening wheels in number and lower wheel shafts corresponding to the lower straightening wheels in number, and the upper straightening wheels are arranged at the front ends of the upper wheel shafts respectively and located in front of the machine frame. The lower correcting wheels are arranged at the front ends of the lower wheel shafts and located in front of the rack, and the upper correcting wheels are located between the two adjacent lower correcting wheels on the lower portion; the upper wheel shafts are arranged on a lifting body located in the machine frame, the machine frame is provided with a front sliding rail, a rear sliding rail and a rear sliding rail, a lifting driving mechanism is arranged on the top face of the machine frame, and the lifting driving mechanisms are connected with the lifting body.

Description

Technical Field

[0001] This utility model relates to a ball flat steel straightening machine. Background Technology

[0002] Bulb flats are a type of profile primarily used in shipbuilding and bridge construction, with marine bulb flats serving as an auxiliary profile in shipbuilding. In recent years, with the rapid development of the shipbuilding industry, the demand for marine bulb flats has been strong. Generally, larger vessels and standard ships mostly use marine bulb flats for their main hull design, employing bulb flats of the same thickness and material as the connecting plates as the ribs. A bulb flat consists of a flat portion and a raised bulbous head portion located on one side of the flat portion.

[0003] Bulb flat steel is prone to deformation in two directions: firstly, due to its long length, it is prone to arching; secondly, due to its long length, it is prone to bending in the width direction.

[0004] To straighten bulb flat steel, CN 113953353 A discloses a multi-roller straightening device for straightening ship hull rib profiles, i.e., a bulb flat steel straightening device. It includes a base, an upper roll mounting seat, a lower roll mounting seat, a lifting mechanism, and a first driving mechanism. The upper roll mounting seat is disposed on the base along the front-to-back direction. Multiple upper roll ring shafts are spaced apart on the upper roll mounting seat, passing through it in the left-to-right direction. The upper roll ring shafts are rotatably connected to the upper roll mounting seat and can slide relative to the upper roll mounting seat along their axis. The lower end of the upper roll mounting seat has multiple notches spaced apart, passing through it in the left-to-right direction. A notch is located below the gap between any two adjacent upper roll ring shafts. The lower roll mounting seat can slide vertically through each of these notches. The lower roller mounting base and the base are connected by the lifting mechanism. The lower roller mounting base is provided with a lower roller ring shaft that runs through it in the left-right direction. One end of the upper roller ring shaft is coaxially fitted with an upper roller ring, and one end of the lower roller ring shaft is coaxially fitted with a lower roller ring. The other ends of the upper roller ring shaft and the lower roller ring shaft are both connected to the first driving mechanism that drives them to rotate. The upper roller mounting base is provided with a plurality of second driving mechanisms that are equal in number and correspond one-to-one with the number of upper roller ring shafts. The lower roller mounting base is provided with a second driving mechanism. The second driving mechanism is connected to the corresponding upper roller ring shaft or the lower roller ring shaft to drive the corresponding upper roller ring shaft or the lower roller ring shaft to move along its axial direction.

[0005] The lower roller ring has an inclined surface on its inner end face, and the upper roller ring has a convex ring on its inner end face. When straightening the bulb flat steel, the bulb flat steel is positioned with its ball head facing downwards, and the ball head abuts against the inclined surface of the lower roller ring. Then, the lower roller ring is raised by a screw jack until the ball head of the bulb flat steel is clamped between the inclined surface of the lower roller ring and the convex ring of the upper roller ring. Then, under the action of the second drive mechanism, the upper roller ring and / or the lower roller ring move axially, so that the ball head of the bulb flat steel is clamped between the inclined surface of the lower roller ring and the convex ring of the upper roller ring. Finally, driven by the first drive mechanism, the upper roller ring and the lower roller ring rotate, driving the bulb flat steel forward to achieve the purpose of correcting the arching and lateral bending in the width direction of the bulb flat steel.

[0006] Its drawbacks are as follows: the roller ring with the convex ring is on top and the roller ring with the inclined surface is on the bottom, which means that when straightening the bulb flat steel, the ball head needs to be facing down, and a screw jack is used to push it upwards and then the ball head of the bulb flat steel is disassembled. This means that the straightening force on the bulb flat steel cannot be applied to the bulb flat steel better during the straightening process. In addition, the upper roller ring and the lower roller ring share a first drive mechanism, so the straightening effect needs to be improved. Summary of the Invention

[0007] In order to overcome the above-mentioned shortcomings of existing ball flat steel straightening machines, this utility model provides a ball flat steel straightening machine with better straightening effect.

[0008] The technical solution of this utility model to solve its technical problem is: a ball flat steel straightening machine, including a frame, a plurality of upper straightening wheels, a plurality of lower straightening wheels, an upper wheel shaft corresponding to the number of upper straightening wheels, and a lower wheel shaft corresponding to the number of lower straightening wheels. Each upper straightening wheel is respectively located at the front end of the upper wheel shaft and in front of the frame, and each lower straightening wheel is respectively located at the front end of the lower wheel shaft and in front of the frame. Each upper straightening wheel is located between two adjacent lower straightening wheels below.

[0009] It also includes an upper rotation drive mechanism corresponding to the number of upper wheel axles and a lower rotation drive mechanism corresponding to the number of lower wheel axles. Each upper rotation drive mechanism is connected to the upper wheel axle to drive the upper wheel axle to rotate, and each lower rotation drive mechanism is connected to the lower wheel axle to drive the lower wheel axle to rotate. Both the upper rotation drive mechanism and the lower rotation drive mechanism are located at the rear of the frame.

[0010] It also includes a lifting drive mechanism, an upper lateral drive mechanism for driving the upper wheel axle to move axially, and a lower lateral drive mechanism for driving the lower wheel axle to move axially. The upper lateral drive mechanism and the lower lateral drive mechanism are both located at the rear of the frame.

[0011] The inner end face of the upper straightening wheel is provided with a beveled surface facing the frame, and the inner end face of the lower straightening wheel is provided with a convex ring.

[0012] Each lower wheel axle is respectively installed in the frame;

[0013] Each upper wheel axle is respectively mounted on a lifting body located in the frame. The front end face of the frame has a front lifting window, and the rear end face of the frame has a rear lifting window. The front part of the lifting body extends out of the front lifting window to form a front lifting section, and the rear part of the lifting body extends out of the rear lifting window to form a rear lifting section. Vertical front slide rails are provided on both sides of the front lifting window, and vertical rear slide rails are provided on both sides of the rear lifting window. The front lifting section slides on the front slide rails, and the rear lifting section slides on the rear slide rails.

[0014] A rear mounting bracket is also provided behind the rear lifting unit and fixed thereto, and the upper rotation drive mechanism and the upper transverse drive mechanism are mounted on the rear mounting bracket.

[0015] The lifting drive mechanism is located on the top surface of the frame, and each lifting drive mechanism is connected to the lifting body.

[0016] Furthermore, the lifting drive mechanism is a hydraulic cylinder.

[0017] Furthermore, the lower rotation drive mechanism includes a lower rotation drive motor, and the output shaft of the lower rotation drive motor is connected to the lower wheel axle via a coupling.

[0018] Furthermore, the rear end of the lower wheel axle is provided with a front connecting cylinder, the front end of the lower rotary drive motor is provided with a rear connecting cylinder, the front end of the coupling is connected to the front connecting cylinder, and the rear end of the coupling is connected to the rear connecting cylinder.

[0019] Furthermore, the coupling includes a front connecting sleeve, a middle connecting shaft, and a rear connecting sleeve;

[0020] The front connecting sleeve is connected to the front connecting cylinder, and the rear connecting sleeve is connected to the rear connecting cylinder;

[0021] The front connecting sleeve has two rearwardly extending front connecting ears, the front end of the middle connecting shaft has two forward-extending front-middle connecting ears, and also includes a cross-shaped front connecting member, one pin of which is inserted into the front connecting ears at both ends, and the other pin of which is inserted into the front-middle connecting ears at both ends.

[0022] The rear connecting sleeve has two forward-extending rear connecting ears, the rear end of the middle connecting shaft has two rear-extending rear middle connecting ears, and also includes a cross-shaped rear connecting member, one pin of which is inserted into the rear connecting ears at both ends, and the other pin of which is inserted into the rear middle connecting ears at both ends.

[0023] Furthermore, the front connecting sleeve and the front connecting cylinder are flanged together, and the rear connecting sleeve and the rear connecting cylinder are flanged together.

[0024] The beneficial effects of this utility model are as follows: an upper straightening wheel with a beveled surface facing the frame is located on the inner end face, and a lower straightening wheel with a convex ring is located on the inner end face. The lifting drive mechanism is located on the top surface of the frame. Therefore, during straightening, the ball head of the bulb flat steel is normally facing upward, and the upper straightening wheel is pressed down by the lifting drive mechanism. The upper and lower straightening wheels are driven to rotate by the upper and lower rotation drive mechanisms, respectively, so that the straightening force is applied to the bulb flat steel better, more accurately, and more easily, resulting in a better straightening effect. Attached Figure Description

[0025] Figure 1 This is a structural schematic diagram of the present invention viewed from the front.

[0026] Figure 2 This is a structural schematic diagram of the present invention from a rear-view perspective.

[0027] Figure 3 This is a distribution diagram of the upper and lower straightening rollers.

[0028] Figure 4 This is a schematic diagram showing the coordination of the upper and lower straightening rollers when straightening bulb flat steel.

[0029] Figure 5 It is a diagram showing the arrangement of the upper straightening wheel, upper wheel axle, and the mechanism that works with them in the frame.

[0030] Figure 6 This is a diagram showing the arrangement of the upper straightening wheel, upper wheel axle, and the mechanism that works with it from another perspective within the frame.

[0031] Figure 7 This is a structural diagram of a coupling.

[0032] Figure 8 This is an exploded view of the coupling. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0034] Reference Figures 1-8 A bulb flat steel straightening machine includes a frame 1, a plurality of upper straightening rollers 2, a plurality of lower straightening rollers 3, an upper roller shaft 4 corresponding to the number of upper straightening rollers 2, and a lower roller shaft corresponding to the number of lower straightening rollers 3. Each upper straightening roller 2 is respectively located at the front end of the upper roller shaft 4 and in front of the frame 1, and each lower straightening roller 3 is respectively located at the front end of the lower roller shaft and in front of the frame 1. Each upper straightening roller 2 is respectively located between two adjacent lower straightening rollers 3 below.

[0035] The inner end face of the upper straightening wheel 2 is provided with a beveled surface 5 facing the frame 1, and the inner end face of the lower straightening wheel 3 is provided with a convex ring 6.

[0036] It also includes an upper rotation drive mechanism 7 corresponding to the number of upper wheel axles 4 and a lower rotation drive mechanism 8 corresponding to the number of lower wheel axles. Each upper rotation drive mechanism 7 is connected to the upper wheel axle 4 to drive the upper wheel axle 4 to rotate, and each lower rotation drive mechanism 8 is connected to the lower wheel axle to drive the lower wheel axle to rotate. Both the upper rotation drive mechanism 7 and the lower rotation drive mechanism 8 are located at the rear of the frame 1.

[0037] Each lower wheel axle is respectively installed in the frame 1. Each upper wheel axle 4 is respectively installed on a lifting body 9 located in the frame. The front end face of the frame 1 has a front lifting window 10, and the rear end face of the frame 1 has a rear lifting window 11. The front part of the lifting body 9 extends out of the front lifting window 10 to form a front lifting part, and the rear part of the lifting body 9 extends out of the rear lifting window 11 to form a rear lifting part. Vertical front slide rails 12 are provided on both sides of the front lifting window 10, and vertical rear slide rails 13 are provided on both sides of the rear lifting window 11. The front lifting part slides on the front slide rail 12, and the rear lifting part slides on the rear slide rail 13.

[0038] It also includes an upper lateral movement drive mechanism 15 for driving the upper wheel axle 4 to move axially and a lower lateral movement drive mechanism 16 for driving the lower wheel axle to move axially. Both the upper lateral movement drive mechanism 15 and the lower lateral movement drive mechanism 16 are located behind the frame 1.

[0039] A rear mounting bracket 14 is also provided behind the rear lifting unit and fixed thereto. The upper rotation drive mechanism 7 and the upper transverse drive mechanism 15 are mounted on the rear mounting bracket 14.

[0040] The top surface of the frame 1 is also provided with lifting drive mechanisms 17 in number corresponding to the number of lifting bodies 9, and each lifting drive mechanism 17 is connected to each lifting body 9.

[0041] When straightening the bulb flat steel 18, similar to the prior art, the ball head of the bulb flat steel 18 abuts against the inclined surface 5 of the upper straightening wheel 2. Then, the upper straightening wheel 2 is lowered by the lifting drive mechanism 17 until the ball head of the bulb flat steel is clamped between the inclined surface 5 of the upper straightening wheel 2 and the convex ring 6 of the lower straightening wheel 3. Then, under the action of the upper transverse drive mechanism 15 and the lower transverse drive mechanism 16, the upper straightening wheel 2 and / or the lower straightening wheel 3 move axially, so that the ball head of the bulb flat steel 18 is clamped between the inclined surface 5 of the upper straightening wheel 2 and the convex ring 6 of the lower straightening wheel 3. Then, driven by the upper rotation drive mechanism 7 and the lower rotation drive mechanism 8, the upper straightening wheel 2 and the lower straightening wheel 3 rotate, driving the bulb flat steel 18 forward to achieve the purpose of correcting the arch and lateral bending in the width direction of the bulb flat steel. Since the upper straightening wheel 2 with the inclined surface 5 is on top in this utility model, when straightening the ball flat steel 18, the ball flat steel 18 can be straightened in a normal ball-head-up posture. The upper straightening wheel 2 is pressed down by the lifting drive mechanism 17 to apply the straightening pressure. The upper straightening wheel 2 and the lower straightening wheel 3 are driven to rotate by the upper rotation drive mechanism 7 and the lower rotation drive mechanism 8 respectively, so that the straightening force can be applied to the ball flat steel better, more accurately and more easily.

[0042] The upper rotary drive mechanism 7, lower rotary drive mechanism 8, upper lateral drive mechanism 15, lower lateral drive mechanism 16, and lifting drive mechanism 17 can all adopt mature technologies in the prior art, which is something that those skilled in the art can do, and will not be elaborated here. For example, the upper lateral drive mechanism 15 and the lower lateral drive mechanism 16 can adopt the structural form of the "second drive mechanism" in CN 113953353 A.

[0043] In one embodiment, the upper rotary drive mechanism 7 is an upper rotary drive motor, the output shaft of which is connected to the upper wheel axle 4. The lower rotary drive mechanism 8 includes a lower rotary drive motor, the output shaft of which is connected to the lower wheel axle via a coupling 19. Since the upper straightening wheel 2 is subjected to downward pressure, the power to drive the ball flat steel forward is preferably provided by the lower rotary drive mechanism 8. At this time, the lower rotary drive motor is prone to jamming or overload. Direct connection may cause the lower rotary drive motor to burn out or damage mechanical parts. Therefore, a coupling 19 is used for connection to provide a certain degree of protection for the lower rotary drive motor.

[0044] In one embodiment, the rear end of the lower wheel axle is provided with a front connecting sleeve 20, the front end of the lower rotary drive motor is provided with a rear connecting sleeve 21, the front end of the coupling 19 is connected to the front connecting sleeve 20, and the rear end of the coupling 19 is connected to the rear connecting sleeve 21. More specifically, the coupling 19 may include a front connecting sleeve 22, a middle connecting shaft 23, and a rear connecting sleeve 24; the front connecting sleeve 22 is connected to the front connecting sleeve 20, and the rear connecting sleeve 24 is connected to the rear connecting sleeve 21; the front connecting sleeve 22 has two rearwardly extending front connecting ears 25, and the front connecting shaft 23... The coupling has two forward-extending front connecting lugs 26 and a cross-shaped front connecting member 27. One pin of the front connecting member 27 has both ends inserted into the front connecting lug 25, and the other pin has both ends inserted into the front connecting lug 26. The rear connecting sleeve 24 has two forward-extending rear connecting lugs 28, and the rear end of the middle connecting shaft 23 has two rearward-extending rear connecting lugs 29. It also includes a cross-shaped rear connecting member 30. One pin of the rear connecting member 30 has both ends inserted into the rear connecting lug 28, and the other pin has both ends inserted into the rear connecting lug 29. The front connecting sleeve 23 is flange-connected to the front connecting cylinder 20, and the rear connecting sleeve 24 is flange-connected to the rear connecting cylinder 21. This type of coupling, with the cross-shaped front and rear connecting members, allows for multi-directional rotation and provides better protection for the downward-rotating drive motor.

[0045] Preferably, the lifting drive mechanism 17 is a hydraulic cylinder, which can provide a stronger downward correction force.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The embodiments of this utility model have been described above. However, this utility model is not limited to the above embodiments. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A bulb flat steel straightening machine, comprising a frame, a plurality of upper straightening rollers, a plurality of lower straightening rollers, an upper roller shaft corresponding to the number of upper straightening rollers, and a lower roller shaft corresponding to the number of lower straightening rollers, wherein each upper straightening roller is respectively disposed at the front end of the upper roller shaft and located in front of the frame, and each lower straightening roller is respectively disposed at the front end of the lower roller shaft and located in front of the frame, and each upper straightening roller is respectively located between two adjacent lower straightening rollers below; It also includes an upper rotation drive mechanism corresponding to the number of upper wheel axles and a lower rotation drive mechanism corresponding to the number of lower wheel axles. Each upper rotation drive mechanism is connected to the upper wheel axle to drive the upper wheel axle to rotate, and each lower rotation drive mechanism is connected to the lower wheel axle to drive the lower wheel axle to rotate. Both the upper rotation drive mechanism and the lower rotation drive mechanism are located at the rear of the frame. It also includes a lifting drive mechanism, an upper lateral drive mechanism for driving the upper wheel axle to move axially, and a lower lateral drive mechanism for driving the lower wheel axle to move axially. The upper lateral drive mechanism and the lower lateral drive mechanism are both located at the rear of the frame. Its features are: The inner end face of the upper straightening wheel is provided with a beveled surface facing the frame, and the inner end face of the lower straightening wheel is provided with a convex ring. Each lower wheel axle is respectively installed in the frame; Each upper wheel axle is respectively mounted on a lifting body located in the frame. The front end face of the frame has a front lifting window, and the rear end face of the frame has a rear lifting window. The front part of the lifting body extends out of the front lifting window to form a front lifting section, and the rear part of the lifting body extends out of the rear lifting window to form a rear lifting section. Vertical front slide rails are provided on both sides of the front lifting window, and vertical rear slide rails are provided on both sides of the rear lifting window. The front lifting section slides on the front slide rails, and the rear lifting section slides on the rear slide rails. A rear mounting bracket is also provided behind the rear lifting unit and fixed thereto, and the upper rotation drive mechanism and the upper transverse drive mechanism are mounted on the rear mounting bracket. The lifting drive mechanism is located on the top surface of the frame, and each lifting drive mechanism is connected to the lifting body.

2. The bulb flat steel straightening machine as described in claim 1, characterized in that: The lifting drive mechanism is a hydraulic cylinder.

3. The bulb flat steel straightening machine as described in claim 1 or 2, characterized in that: The lower rotation drive mechanism includes a lower rotation drive motor, and the output shaft of the lower rotation drive motor is connected to the lower wheel axle via a coupling.

4. The bulb flat steel straightening machine as described in claim 3, characterized in that: The rear end of the lower wheel axle is provided with a front connecting cylinder, the front end of the lower rotary drive motor is provided with a rear connecting cylinder, the front end of the coupling is connected to the front connecting cylinder, and the rear end of the coupling is connected to the rear connecting cylinder.

5. The bulb flat steel straightening machine as described in claim 4, characterized in that: The coupling includes a front connecting sleeve, a middle connecting shaft, and a rear connecting sleeve; The front connecting sleeve is connected to the front connecting cylinder, and the rear connecting sleeve is connected to the rear connecting cylinder; The front connecting sleeve has two rearwardly extending front connecting ears, the front end of the middle connecting shaft has two forward-extending front-middle connecting ears, and also includes a cross-shaped front connecting member, one pin of which is inserted into the front connecting ears at both ends, and the other pin of which is inserted into the front-middle connecting ears at both ends. The rear connecting sleeve has two forward-extending rear connecting ears, the rear end of the middle connecting shaft has two rear-extending rear middle connecting ears, and also includes a cross-shaped rear connecting member, one pin of which is inserted into the rear connecting ears at both ends, and the other pin of which is inserted into the rear middle connecting ears at both ends.

6. The bulb flat steel straightening machine as described in claim 5, characterized in that: The front connecting sleeve and the front connecting cylinder are connected by a flange, and the rear connecting sleeve and the rear connecting cylinder are connected by a flange.

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