A method for straightening a sheet

Abstract

The application relates to the technical field of plate leveling, and particularly discloses a plate leveling method and a plate leveling device, which comprises a multi-roller leveling machine, a feeding platform, a leveling bottom die, a side plate assembly and a plurality of limiting assemblies. The feeding platform is used for feeding material to be leveled into the multi-roller leveling machine. The leveling bottom die is arranged on the feeding platform. The side plate assembly is arranged on the leveling bottom die. The leveling bottom die is provided with a plurality of limiting assemblies, which are used for limiting the position of the side plate assembly. The application can efficiently level the side plate assembly, effectively improves the leveling efficiency and quality of the side plate assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plate leveling, in particular to a plate leveling method. BACKGROUND

[0002] In a certain heat exchange project, the side plate assembly plays a role of providing vertical support for the heat exchange pipe, so as to avoid damage of the heat exchange pipe caused by arbitrary vibration of the heat exchange pipe due to fluid elastic velocity, turbulent buffeting, vortex separation and the like, and therefore the flatness of the side plate assembly is an important factor affecting whether the heat exchange pipe can be normally penetrated. Each side plate assembly comprises a side plate and a plurality of round steels welded on the side plate. Since the gap between the side plate assembly and the heat exchange pipe is small, the gap is about 4.38 mm, the design precision of the round steels and the side plate and the welding size are required to be high, in particular, the flatness of the side plate after welding of the round steels is required to be not more than 1.5 mm. However, since the side plate is thin, plastic deformation of the side plate after completion of the welding process of the round steels is often out of tolerance by 20 mm, which cannot meet the installation requirements.

[0003] At present, a correction tool is adopted to cooperate with a four-column oil press to perform leveling processing on the side plate assembly. However, due to the structural defects of the correction tool, the side plate assembly will rebound after being leveled, which cannot meet the technical requirements. In addition, the correction tool needs to be repeatedly disassembled and assembled for leveling each side plate assembly, which is complicated and low in efficiency, and the workers need to manually carry the side plate assembly during the leveling process, which has a great safety hazard. SUMMARY

[0004] In view of the above deficiencies in the prior art, the present application aims to provide a plate leveling method, which has the advantages of being capable of efficiently leveling the side plate assembly and effectively improving the leveling efficiency and quality of the side plate assembly.

[0005] The above technical purpose of the present application is achieved by the following technical scheme:

[0006] A plate leveling method comprises a plate leveling device, the plate leveling device is used to implement the plate leveling method, the plate leveling device comprises a multi-roller leveling machine, a leveling bottom die and a side plate assembly, the multi-roller leveling machine has a feeding platform, and the leveling bottom die is arranged on the feeding platform; the side plate assembly is arranged on the leveling bottom die, the side plate assembly comprises a plate body, a reinforcing rib is arranged on the plate body, the reinforcing rib is used to increase the strength of the side plate, and the reinforcing rib is a round steel; a plurality of limiting grooves are arranged on the leveling bottom die, and the limiting grooves are used to limit the position of the side plate assembly.

[0007] The plate leveling method comprises the following steps:

[0008] S1. According to the division of the round steel on the side plate, a limiting groove is opened on the leveling bottom die by gas cutting, the number, size and shape of the limiting groove need to correspond to the round steel on the side plate; wherein a plurality of limiting grooves are opened on the leveling bottom die to accommodate a plurality of side plate assemblies;

[0009] S2. Clean the molten slag and oxide skin on the surface of the leveling bottom die, side plate assembly and multi-roller leveling machine;

[0010] S3. Place the leveling bottom die on the feeding platform of the multi-roller leveling machine and find the center;

[0011] S4. Place the side plate assembly on the material placing rack on the leveling bottom die, wherein the round steel on the side plate needs to be aligned with the limiting groove;

[0012] S5. Set the parameters of the multi-roller leveling machine, and the leveling parameters of the multi-roller leveling machine during the first trial run should be greater than or equal to the sum of the thickness of the leveling bottom die and the thickness of the side plate;

[0013] S6. According to the set parameters, the side plate assembly is leveled, and the flatness of the side plate is detected after leveling;

[0014] S7. If the flatness of the leveled side plate does not meet the requirements, continue to adjust the parameters of the multi-roller leveling machine and repeat the leveling until the flatness of the side plate meets the requirements.

[0015] For the prior art, the present application realizes leveling of the side plate assembly by cooperation of the leveling bottom die and the multi-roller leveling machine, and a plurality of limiting grooves are arranged on the leveling bottom die, one limiting groove corresponding to one side plate assembly, so that a plurality of side plate assemblies can be placed on the leveling bottom die at the same time to realize leveling of a batch of side plate assemblies, and the reinforcing ribs on the plate body can strengthen the strength of the plate body. In the leveling process, the limiting groove and the reinforcing rib cooperate to limit the position of the plate body on the leveling bottom die, avoid displacement of the side plate assembly during leveling, reduce the leveling quality of the side plate assembly, and effectively improve the leveling efficiency and leveling quality of the side plate assembly. At the same time, by leveling a plurality of side plate assemblies at the same time, the problem of manually taking and placing the correction assembly in the four-column oil press and repeatedly disassembling and assembling the correction assembly in the prior art is solved, the leveling efficiency of the side plate assembly is effectively improved, and the safety hazard of the workers is also reduced.

[0016] As a preferred scheme of the present application, a plurality of said reinforcing ribs are equidistantly arranged along the length direction of said plate body, and the axial direction of said reinforcing rib is parallel to the width direction of said plate body.

[0017] By adopting the above scheme, a plurality of reinforcing ribs are equidistantly arranged, and the axial direction of the reinforcing rib is parallel to the width direction of the plate body, which can effectively increase the strength of the plate body.

[0018] As a preferred scheme of the present application, the multi-roller leveling machine is a nine-roller leveling machine.

[0019] As a preferred scheme of the present application, a material placing rack is further included, which is placed at one side of the feeding platform and used for placing the side plate assembly.

[0020] With the above scheme, the material placing rack is placed at one side of the feeding platform, so that the worker can place the side plate assembly on the leveling bottom die more conveniently, effectively improving the leveling efficiency of the side plate assembly.

[0021] As a preferred scheme of the present application, the feeding platform comprises a fixing frame, a feeding roller and a driving motor, the feeding roller is rotatably arranged on the fixing frame, and the driving motor is arranged on the fixing frame and connected with the feeding roller, and the driving motor is used for driving the feeding roller to rotate.

[0022] The above plate leveling method has the following beneficial effects: by arranging a plurality of limiting grooves on the leveling bottom die, a plurality of side plate assemblies can be placed on the leveling bottom die through the limiting grooves, so that the side plate assemblies are leveled in batches, the problem of repeatedly taking and disassembling and assembling the correction tooling in the prior art by using the four-column oil press is solved, the limiting grooves can limit the position of the side plate assembly on the leveling bottom die, the position change of the side plate assembly during leveling is avoided, the leveling quality is affected, the leveling efficiency and the leveling quality of the side plate assembly are effectively improved, and the safety hazard of the worker is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a structural schematic view of a plate leveling device according to the present application;

[0024] Figure 2 FIG. 2 is a partial enlarged view of position A in FIG. 1; Figure 1

[0025] Figure 3 FIG. 3 is a flowchart of a plate leveling method according to the present application;

[0026] In the figure: 1, multi-roller leveling machine; 2, feeding platform; 3, leveling bottom die; 4, side plate assembly; 41, plate body; 42, reinforcing rib; 5, limiting assembly; 51, limiting groove.

[0027] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0028] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0029] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, motion condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0030] In addition, if the embodiments of the present application involve descriptions of “first”, “second”, etc., the descriptions of “first”, “second”, etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by “first”, “second” can explicitly or implicitly include at least one of the features. In addition, “and / or” or “and / or” appearing throughout the text means that the three parallel schemes are included, for example, “A and / or B” includes A scheme, or B scheme, or A and B are satisfied at the same time. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person of ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present application.

[0031] The present application provides a plate straightening device and a straightening method thereof.

[0032] With reference to Figure 1In an embodiment of the present application, the plate leveling device comprises a multi-roller leveling machine 1, a leveling bottom die 3 and a side plate assembly 4. The multi-roller leveling machine 1 has a feeding platform 2 for feeding the material to be leveled into the multi-roller leveling machine 1. The leveling bottom die 3 is placed on the feeding platform 2. The side plate assembly 4 is placed on the leveling bottom die 3. The leveling bottom die 3 is provided with a plurality of limiting assemblies 5 for limiting the position of the side plate assembly 4. The side plate assembly 4 is leveled by the cooperation of the leveling bottom die 3 and the multi-roller leveling machine 1. A plurality of side plate assemblies 4 can be placed on the leveling bottom die 3 at the same time to level a batch of side plate assemblies 4. The limiting assemblies 5 can effectively limit the position of the side plate assembly 4 during leveling to avoid displacement of the side plate assembly 4 during leveling, thereby improving the leveling efficiency and quality of the side plate assembly 4.

[0033] Referring to Figure 1 and Figure 2 In an embodiment, the side plate assembly 4 comprises a plate body 41, and at least one reinforcing rib 42 is welded on the plate body 41. The reinforcing rib 42 is used to increase the strength of the side plate. In this embodiment, round steel is used as the reinforcing rib 42, and two groups of reinforcing ribs 42 are welded on the plate body 41. Six reinforcing ribs 42 form a group, and the six reinforcing ribs 42 in the same group are equidistantly arranged along the length direction of the plate body 41. The axial direction of the reinforcing rib 42 is parallel to the width direction of the plate body 41. The plurality of reinforcing ribs 42 are equidistantly arranged, and the axial direction of the reinforcing rib 42 is parallel to the width direction of the plate body 41. This arrangement can effectively increase the strength of the plate body 41.

[0034] Referring to Figure 1 and Figure 2 In an embodiment, the limiting assembly 5 comprises at least one limiting groove 51. The number of the limiting grooves 51 corresponds to the number of the reinforcing ribs 42, and the shape and size of the limiting grooves 51 correspond to the shape and size of the reinforcing ribs 42. In this embodiment, nine groups of limiting grooves 51 are provided on the leveling bottom die 3. Twelve limiting grooves 51 form a group, and the number of the limiting grooves 51 in each group corresponds to the number of the reinforcing ribs 42 in one side plate assembly 4. The shape and size of the limiting grooves 51 also correspond to the shape and size of the reinforcing ribs 42. The cooperation of the limiting grooves 51 and the reinforcing ribs 42 can limit the position of the plate body 41 on the leveling bottom die 3. That is, the reinforcing ribs 42 can increase the strength of the plate body 41 while also serving as a limiting function.

[0035] In an embodiment, a material placing rack is further included, which is placed on one side of the feeding platform 2 and used for placing the side plate assembly 4. The material placing rack is placed on one side of the feeding platform 2, so that the worker can place the side plate assembly 4 on the leveling bottom die 3 more conveniently, effectively improving the leveling efficiency of the side plate assembly 4.

[0036] Referring to Figure 1 In an embodiment, the feeding platform 2 includes a fixing frame, a feeding roller and a driving motor, the feeding roller is rotatably arranged on the fixing frame, and the driving motor is arranged on the fixing frame and connected with the feeding roller, and the driving motor is used to drive the feeding roller to rotate, wherein it is worth mentioning that the feeding platform 2 adopted in the embodiment is a prior art.

[0037] Referring to Figure 3 The present application further provides a plate leveling method, which includes the following steps:

[0038] Step S1. According to the distribution of the round steel on the side plate, a limiting groove 51 is opened on the leveling bottom die 3 by gas cutting, the number, size and shape of the limiting groove 51 need to correspond to the round steel on the side plate; wherein a plurality of limiting grooves 51 are opened on the leveling bottom die 3 to accommodate a plurality of side plate assemblies 4;

[0039] Step S2. Clean the slag, scale and other sundries on the surface of the leveling bottom die 3, the side plate assembly 4 and the multi-roller leveling machine 1;

[0040] Step S3. Place the leveling bottom die 3 on the feeding platform 2 of the multi-roller leveling machine 1 and find the center;

[0041] Step S4. Place the side plate assembly 4 on the material placing rack on the leveling bottom die 3, wherein the round steel on the side plate needs to be aligned with the limiting groove 51;

[0042] Step S5. Set the parameters of the multi-roller leveling machine 1, and the leveling parameters of the multi-roller leveling machine 1 in the first trial run should be greater than or equal to the sum of the thickness of the leveling bottom die 3 and the thickness of the side plate;

[0043] Step S6. Level the side plate assembly 4 according to the set parameters, and detect the flatness of the side plate after leveling;

[0044] Step S7. If the flatness of the leveled side plate does not meet the requirements, continue to adjust the parameters of the multi-roller leveling machine 1 and repeat the leveling until the flatness of the side plate meets the requirements.

[0045] By placing the plurality of side plate assemblies 4 corresponding to the position of the limiting assembly 5 on the leveling bottom die 3, the plurality of side plate assemblies 4 can be leveled at the same time, solving the problem that the existing technology adopts four-column oil press leveling and needs to repeatedly take and place the correction assembly in the four-column oil press and repeatedly disassemble and assemble the correction tooling, effectively improving the leveling efficiency of the side plate assembly 4, and also reducing the safety hazards of the workers.

[0046] By setting multiple sets of limiting assemblies 5 on the leveling bottom die 3, the plurality of side plate assemblies 4 can be placed on the leveling bottom die 3 through the limiting assembly 5, thereby realizing batch leveling of the side plate assembly 4, solving the problem that the existing technology adopts four-column oil press and needs to repeatedly take and disassemble the correction tooling, and the limiting assembly 5 can limit the position of the side plate assembly 4 on the leveling bottom die 3, avoiding the position change of the side plate assembly 4 during the leveling process, effectively improving the leveling efficiency and quality of the side plate assembly 4, and also reducing the safety hazards of the workers.

[0047] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made under the inventive concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A method of straightening a sheet material, characterized by, The plate leveling device is used to implement the plate leveling method, and comprises a multi-roller leveling machine, a leveling bottom die, and a side plate assembly. The plate leveling method comprises the following steps: S1. According to the distribution of the round steel on the side plate, a limiting groove is opened on the leveling bottom die by gas cutting, and the number, size, and shape of the limiting groove correspond to the round steel on the side plate; wherein a plurality of limiting grooves are opened on the leveling bottom die to accommodate a plurality of side plate assemblies; S2. Clean the slag and scale on the surface of the leveling bottom die, the side plate assembly, and the multi-roller leveling machine; S3. Place the leveling bottom die on the feeding platform of the multi-roller leveling machine and align it; S4. Place the side plate assembly on the material placing rack on the leveling bottom die, wherein the round steel on the side plate needs to be aligned with the limiting groove; S5. Set the parameters of the multi-roller leveling machine, and the leveling parameters of the multi-roller leveling machine during the first trial run should be greater than or equal to the sum of the thickness of the leveling bottom die and the thickness of the side plate; S6. Level the side plate assembly according to the set parameters, and detect the flatness of the side plate after leveling; S7. If the flatness of the leveled side plate does not meet the requirements, continue to adjust the parameters of the multi-roller leveling machine and repeat the leveling until the flatness of the side plate meets the requirements.

2. The method of straightening sheet material according to claim 1, wherein: A plurality of reinforcing ribs are equidistantly arranged along the length direction of the side plate body, and the axial direction of the reinforcing rib is parallel to the width direction of the side plate body.

3. The method of straightening sheet material of claim 1 wherein: The multi-roller leveling machine is a nine-roller leveling machine.

4. The method of straightening sheet material of claim 1 wherein: The material placing rack is placed on one side of the feeding platform, and is used to place the side plate assembly.

5. The method of straightening sheet material of claim 1 wherein: The feeding platform comprises a fixed frame, a feeding roller, and a driving motor, the feeding roller is rotatably arranged on the fixed frame, the driving motor is arranged on the fixed frame and connected with the feeding roller, and the driving motor is used to drive the feeding roller to rotate.

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