A steel plate leveling device and method capable of eliminating the toughness of the steel plate

Abstract

The present invention relates to the technical field of steel plate processing, specifically to a steel plate leveling device and method capable of eliminating the toughness of steel plates, comprising a supporting bottom plate, first supporting plates are vertically arranged on both sides of the upper end surface of the supporting bottom plate, a pressing platform is arranged on the upper end surfaces of the two first supporting plates, second supporting plates are vertically arranged on both sides of the upper end surfaces of the pressing platforms, a top plate is fixedly arranged above the two second supporting plates; a fuel tank is arranged between the two first supporting plates, a flame spray gun is slidably arranged on the pressing platform, the flame spray gun is connected to the fuel tank, a steel plate fixing mechanism is also slidably arranged on the pressing platform, two groups of steel plate fixing mechanisms are slidably arranged on the pressing platform, the two groups of steel plate fixing mechanisms are symmetrically arranged, a pressing mechanism is slidably arranged on the lower end surface of the top plate, and an electric control box is arranged on the outer side of the second supporting plate. The present invention can fix the steel plate well, heat the steel plate through the device, so that the device has a good steel plate leveling effect, and the device can be adjusted according to the leveling requirements.

Description

Technical Field

[0001] The invention relates to a leveling device, in particular to a steel plate leveling device and method capable of eliminating the toughness of the steel plate, belonging to the technical field of steel plate processing. Background Art

[0002] Steel plate is a flat steel material made by pouring molten steel and pressing it after cooling. The steel plate is flat and rectangular and can be directly rolled or cut from a wide steel strip. Steel plates are divided into thin steel plates less than 4 mm, medium and thick steel plates 4 to 60 mm, and extra thick steel plates 60 to 115 mm according to thickness. In the production and processing of steel plates, the steel plates are required to have a higher flatness to meet practical applications. Therefore, the steel plates need to be leveled;

[0003] When the existing steel plate leveling device is leveling the steel plate, the steel plate may be unstable and shake during leveling, resulting in inaccurate leveling position. At the same time, the flexibility and practicality are low.

[0004] Therefore, it is urgent to improve the leveling device to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a steel plate leveling device and method that can eliminate the toughness of steel plates. The device can fix the steel plate well, heat the steel plate through the device, and press the steel plate through a pressing mechanism, so that the device has a good steel plate leveling effect. At the same time, the device can be adjusted according to the leveling requirements, further improving the practicability and flexibility of the device when used.

[0006] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0007] A steel plate leveling device capable of eliminating the toughness of a steel plate comprises a supporting bottom plate, first supporting plates are vertically arranged on both sides of the upper surface of the supporting bottom plate, pressing platforms are arranged on the upper end surfaces of the two first supporting plates, second supporting plates are vertically arranged on both sides of the upper surface of the pressing platforms, and a top plate is fixedly arranged above the two second supporting plates;

[0008] A fuel tank is arranged between the two first support plates, a flame spray gun is slidably arranged on the pressing platform, and the flame spray gun is connected to the fuel tank. A steel plate fixing mechanism is also slidably arranged on the pressing platform, and two groups of the steel plate fixing mechanisms are slidably arranged on the pressing platform, and the two groups of the steel plate fixing mechanisms are symmetrically arranged. A pressing mechanism is slidably arranged on the lower end surface of the top plate, and an electric control box is arranged on the outer side of the second support plate.

[0009] Preferably, a connecting pipe is connected below the flame spray gun, the flame spray gun is connected to the fuel tank through the connecting pipe, the front end surface of the fuel tank is connected to an input pipe, an electronic closing valve is provided on the input pipe, and the electronic closing valve is electrically connected to the electric control box.

[0010] Preferably, a first slide groove is provided in the middle part of the pressing platform, a sliding block is slidably provided on the first slide groove, a sliding block is provided below the sliding block, a through groove is provided on the sliding block, the through groove extends all the way to the bottom of the sliding block, second slide grooves are vertically provided on both sides of the inner wall of the through groove, second sliding blocks are provided on both sides of the flame spray gun, a compression spring is provided between the lower end surface of the second sliding block and the lower end surface of the second slide groove, and the flame spray gun is electrically connected to the electric control box.

[0011] Preferably, the flame spray gun has a truncated cone structure, a second through groove is provided on the front end surface of the pressing platform, a stretching rod is provided on one side of the first slider, the stretching rod passes through the second through groove and extends to the front end surface of the pressing platform, and a pull ring is provided on the end of the stretching rod away from the first slider.

[0012] Preferably, the pressing platform is also provided with a third slide groove, the steel plate fixing mechanism includes a sliding base, two third support plates and a clamping plate, a third sliding block is arranged under the sliding base, the two third support plates are respectively arranged on both sides of the upper end surface of the sliding base, the inner side surface of the third support plate is vertically provided with a first electric slide rail, the clamping plate is slidably connected to the first electric slide rail, a baffle is arranged above the first electric slide rail, and the first electric slide rail is electrically connected to the electric control box.

[0013] Preferably, a fourth sliding groove is provided on the upper end surface of the sliding base, a fourth sliding block is provided at the lower end of the third support plate, a first bearing is provided on the outer side of the fourth sliding block, first threaded holes are provided on both sides of the sliding base, a first threaded rod is screwed into and connected to the first threaded hole, one end of the first threaded rod is through-connected to the first bearing, and a first rotating handle is provided at the other end of the first threaded rod.

[0014] Preferably, a second threaded hole is provided on the second support plate, a second bearing is provided on the outer side of the sliding base, a second threaded rod is screwed into and connected to the second threaded hole, one end of the second threaded rod is through-connected to the second bearing, and a second rotating handle is provided on the other end of the second threaded rod.

[0015] Preferably, a second electric slide rail is provided on the lower end surface of the top plate, the pressing mechanism includes an electric telescopic rod and a pressing plate, a connecting block is provided above the electric telescopic rod, the connecting block is slidably connected to the second electric slide rail, the pressing plate is provided below the electric telescopic rod, and the electric telescopic rod and the second electric slide rail are both electrically connected to the electric control box.

[0016] Preferably, a support rod is provided below the electric telescopic rod, support arms are provided on both sides of the support rod, the lower ends of the support arms are fixedly connected to both sides of the upper end surface of the pressing plate, and the two support arms are in an inverted triangle shape on both sides of the support rod.

[0017] A method for leveling a steel plate capable of eliminating the toughness of the steel plate comprises the following steps:

[0018] S1: fixing the steel plate: placing the two ends of the bent steel plate on the upper end surfaces of the two sliding bases respectively, and then turning on the first electric slide rail, driving the clamping plate to slide downward by the first electric slide rail, so as to fix the steel plate;

[0019] S2: Heating the steel plate: After the steel plate is fixed, the flame spray gun is turned on to heat the steel plate, and then the pull ring is held to pull the stretching rod, driving the first slider and the sliding block to slide on the first slide groove, thereby driving the flame spray gun to slide, thereby achieving uniform heating of the steel plate;

[0020] S3: Steel plate pressing: After the steel plate is heated, the second electric slide rail is turned on to drive the pressing mechanism to adjust the pressing position, and then the electric telescopic rod is turned on and extended to drive the pressing plate to press downward, thereby pressing and flattening the steel plate.

[0021] The present invention has at least the following beneficial effects:

[0022] 1. The device can fix the steel plate well by utilizing the setting of the steel plate fixing mechanism, and can heat the steel plate by utilizing the setting of the fuel tank and the flame spray gun. The steel plate can be adjusted by utilizing the setting of the pressing mechanism, so that the device has a good steel plate leveling effect. At the same time, the steel plate fixing mechanism, the flame spray gun and the pressing mechanism can be adjusted accordingly according to the use requirements, thereby further improving the practicality and flexibility of the device when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention;

[0026] Figure 3 It is a front view of the present invention;

[0027] Figure 4 It is a partial cross-sectional view of the present invention;

[0028] Figure 5 It is a cross-sectional view of the steel plate fixing mechanism of the present invention;

[0029] Figure 6 A schematic diagram of a partial three-dimensional structure of the steel plate fixing mechanism of the present invention

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the pressing mechanism of the present invention.

[0031] In the figure, 1-support bottom plate, 101-electric control box, 2-first support plate, 3-pressing platform, 4-second support plate, 5-top plate, 6-fuel tank, 7-flame spray gun, 8-steel plate fixing mechanism, 801-sliding base, 802-third support plate, 803-clamping plate, 9-pressing mechanism, 901-electric telescopic rod, 902-pressing plate, 10-connecting pipe, 11-electronic closing valve, 12-first slide groove, 13-sliding block, 14-sliding block, 15-through groove, 16-second slide groove, 17-second Slider, 18-compression spring, 19-second through slot, 20-stretching rod, 21-third slot, 22-third slider, 23-first electric slide rail, 24-baffle, 25-fourth slot, 26-fourth slider, 27-first bearing, 28-first threaded hole, 29-first threaded rod, 30-first rotating handle, 31-second threaded hole, 32-second bearing, 33-second threaded rod, 34-second rotating handle, 35-second electric slide rail, 36-support rod, 37-support arm, 38-pull ring. DETAILED DESCRIPTION

[0032] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0033] like Figure 1-Figure 7As shown, the steel plate leveling device capable of eliminating the toughness of the steel plate provided in this embodiment comprises a supporting bottom plate 1, the supporting bottom plate 1 plays a main supporting role, first supporting plates 2 are vertically arranged on both sides of the upper end surface of the supporting bottom plate 1, pressing platforms 3 are arranged on the upper end surfaces of the two first supporting plates 2, second supporting plates 4 are vertically arranged on both sides of the upper end surfaces of the pressing platforms 3, and a top plate 5 is fixedly arranged above the two second supporting plates 4; a fuel tank 6 is arranged between the two first supporting plates 2, and a flame spray gun 7 is slidably arranged on the pressing platform 3 , the flame spray gun 7 is connected with the fuel tank 6, the fuel tank 6 is used to provide fuel to the flame spray gun 7, the flame spray gun 7 is used to heat the steel plate, the flame spray gun 7 is connected with a connecting pipe 10 below, the flame spray gun 7 is connected with the fuel tank 6 through the connecting pipe 10, the front end surface of the fuel tank 6 is connected with an input pipe 9, the input pipe 9 is provided with an electronic closing valve 11, the electronic closing valve 11 is electrically connected with the electric control box 101, the input pipe 9 is used to add fuel to the fuel tank 6, and the electronic closing valve 11 is used to close the input pipe 9;

[0034] The pressing platform 3 is also provided with a steel plate fixing mechanism 8 for sliding movement, and a third slide groove 21 is also provided on the pressing platform 3. The steel plate fixing mechanism 8 includes a sliding base 801, two third support plates 802 and a clamping plate 803. The sliding base 801 is used to place the steel plate, the third support plate 802 is used to support the clamping plate 803, and the clamping plate 803 is used to fix the steel plate. A third slider 22 is provided below the sliding base 801. The third slider 22 and the third slide groove 21 are provided so that the sliding base 801 has a sliding effect. The two third support plates 802 are respectively provided with On both sides of the upper end surface of the sliding base 801, the inner side surface of the third support plate 802 is vertically provided with a first electric slide rail 23, the clamping plate 803 is slidably connected to the first electric slide rail 23, the first electric slide rail 23 is used to drive the clamping plate 803 to slide and adjust, and a baffle plate 24 is arranged above the first electric slide rail 23, the first electric slide rail 23 is electrically connected to the electric control box 101, and the setting of the baffle plate 24 has a blocking effect to prevent the clamping plate 803 from being separated from the third support plate 802 when sliding; the steel plate fixing mechanism 8 slides on the pressing platform 3 There are two groups of movable plates, and the two groups of steel plate fixing mechanisms 8 are symmetrically arranged. The lower end surface of the top plate 5 is slidably provided with a pressing mechanism 9. The lower end surface of the top plate 5 is provided with a second electric slide rail 35. The second electric slide rail 35 is used to drive the pressing mechanism 9 to slide and adjust. The pressing mechanism 9 includes an electric telescopic rod 901 and a pressing plate 902. The electric telescopic rod 901 is used to extend and contract the pressing plate 902. The pressing plate 902 is used to press the steel plate. A connecting block 35 is arranged above the electric telescopic rod 901. The connecting block 35 is slidably connected to the second electric slide rail 35. The pressing plate 902 is arranged below the electric telescopic rod 901. The electric telescopic rod 901 and the second electric slide rail 35 are electrically connected to the electric control box 101. The second electric slide rail 35 is opened by operating the electric control box 101, driving the pressing mechanism 9 to adjust the pressing position, and then the electric telescopic rod 901 is opened and extended, thereby driving the pressing plate 902 to press downward, thereby pressing and flattening the steel plate; an electric control box 101 is arranged on the outer side of the second support plate 4, and the electric control box 101 is used to control the electronic devices in the device.

[0035] In this embodiment, if Figure 3 and Figure 4As shown, a first slide groove 12 is provided in the middle part of the pressing platform 3, a sliding block 13 is slidably provided on the first slide groove 12, and a slider 14 is provided below the sliding block 13. The setting of the slider 14 and the first slide groove 12 enables the sliding block 13 to have a sliding effect, and a through groove 15 is provided on the sliding block 13, and the through groove 15 extends all the way to the bottom of the slider 14. Second slide grooves 16 are vertically provided on both sides of the inner wall of the through groove 15, and second sliders 17 are provided on both sides of the flame spray gun 7. The setting of the second slider 17 and the second slide groove 16 enables the flame spray gun 7 to slide up and down in the through groove 15, and a compression spring 18 is provided between the lower end surface of the second slider 17 and the lower end surface of the second slide groove 16, and the flame spray gun 7 is electrically connected to the electric control box 101. The compression spring 18 makes the flame spray gun 7 have an elastic effect, and when the pressing plate 902 presses the steel plate, the phenomenon of forcibly pressing the lower surface of the steel plate and the flame spray gun 7 to break the flame spray gun 7 is prevented from occurring.

[0036] In this embodiment, if Figure 4 As shown, the flame spray gun 7 has a truncated cone structure. The truncated cone structure makes the spray range of the flame spray gun 7 wider. The front end surface of the pressing platform 3 is provided with a second through groove 19, and a stretching rod 20 is provided on one side of the first slider 14. The stretching rod 20 passes through the second through groove 19 and extends to the front end surface of the pressing platform 3. A pull ring 38 is provided at one end of the stretching rod 20 away from the first slider 14. After completion, the steel plate is heated by turning on the flame spray gun 7, and then the stretching rod 20 is pulled by holding the pull ring 38, driving the first slider 14 and the sliding block 13 to slide on the first slide groove 12, thereby driving the flame spray gun 7 to slide, thereby achieving uniform heating of the steel plate.

[0037] In this embodiment, if Figure 5 and Figure 6 As shown, a fourth slide groove 25 is provided on the upper end surface of the sliding base 801, and a fourth slider 26 is provided on the lower end of the third support plate 802. The third support plate 802 has a sliding effect by utilizing the settings of the fourth slider 26 and the fourth slide groove 25. A first bearing 27 is provided on the outer side of the fourth slider 26. First threaded holes 28 are provided on both sides of the sliding base 801. A first threaded rod 29 is screwed in and connected to the first threaded hole 28. One end of the first threaded rod 29 is connected to the first bearing 27 through the thread, and a first rotating handle 30 is provided on the other end of the first threaded rod 29. By rotating the first rotating handle 30, the first threaded rod 29 is driven to rotate in the first threaded hole 28 and the first bearing 27, thereby driving the two third support plates 802 to slide and adjust, thereby realizing the adjustment of the distance between the two third support plates 802, so that the steel plate fixing mechanism 8 can be adjusted accordingly according to the fixing requirements of the steel plate.

[0038] In this embodiment, if Figure 2 and Figure 3As shown, a second threaded hole 31 is opened on the second support plate 4, and a second bearing 32 is arranged on the outer side of the sliding base 801. A second threaded rod 33 is screwed into and connected to the second threaded hole 31. One end of the second threaded rod 33 is connected through the second bearing 32, and a second rotating handle 34 is arranged on the other end of the second threaded rod 33. By rotating the second rotating handle 34, the second threaded rod 33 is driven to rotate in the second threaded hole 31 and the second bearing 32, thereby pushing the sliding base 801 to slide, so as to realize the adjustment of the distance between the two steel plate fixing mechanisms 8, so that the device can be adjusted accordingly according to the pressing requirements of the steel plates.

[0039] In this embodiment, if Figure 7 As shown, a support rod 36 is provided below the electric telescopic rod 901, and support arms 37 are provided on both sides of the support rod 36. The lower ends of the support arms 37 are fixedly connected to the two sides of the upper end surface of the pressing plate 902, and the two support arms 37 are in an inverted triangle state on both sides of the support rod 36. The setting of the support rod 36 and the support arms 37 improves the stability and pressing strength of the pressing plate 903 during pressing, and the support arms 37 in the inverted triangle state can further improve the overall supporting performance of the pressing mechanism 9.

[0040] A method for leveling a steel plate capable of eliminating the toughness of the steel plate comprises the following steps:

[0041] S1: Fixing the steel plate: placing the two ends of the bent steel plate on the upper end surfaces of the two sliding bases 801 respectively, and then opening the first electric slide rail 23, and driving the clamping plate 803 to slide downward by the first electric slide rail 23, so as to fix the steel plate;

[0042] S2: Heating the steel plate: After the steel plate is fixed, the flame spray gun 7 is turned on to heat the steel plate, and then the stretching rod 20 is pulled by holding the pull ring 38 to drive the first slide block 14 and the slide block 13 to slide on the first slide groove 12, thereby driving the flame spray gun 7 to slide, so as to achieve uniform heating of the steel plate;

[0043] S3: Steel plate pressing: After the steel plate is heated, the second electric slide rail 35 is turned on to drive the pressing mechanism 9 to adjust the pressing position, and then the electric telescopic rod 901 is turned on and extended, thereby driving the pressing plate 902 to press downward, thereby pressing and flattening the steel plate.

[0044] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0045] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0046] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A steel plate leveling device capable of eliminating the toughness of a steel plate, comprising a supporting base plate (1), characterized in that: First support plates (2) are vertically arranged on both sides of the upper end surface of the support bottom plate (1), pressing platforms (3) are arranged on the upper end surfaces of the two first support plates (2), second support plates (4) are vertically arranged on both sides of the upper end surface of the pressing platform (3), and a top plate (5) is fixedly arranged above the two second support plates (4); A fuel tank (6) is arranged between the two first support plates (2); a flame spray gun (7) is slidably arranged on the pressing platform (3); the flame spray gun (7) is connected to the fuel tank (6); a steel plate fixing mechanism (8) is also slidably arranged on the pressing platform (3); two groups of the steel plate fixing mechanisms (8) are slidably arranged on the pressing platform (3); the two groups of the steel plate fixing mechanisms (8) are symmetrically arranged; a pressing mechanism (9) is slidably arranged on the lower end surface of the top plate (5); an electric control box (101) is arranged on the outer side of the second support plate (4); a connecting pipe (10) is connected to the bottom of the flame spray gun (7); the flame spray gun (7) is connected to the fuel tank (6) through the connecting pipe (10). The front end surface of the fuel tank (6) is connected to an input pipe, an electronic closing valve (11) is arranged on the input pipe, and the electronic closing valve (11) is electrically connected to the electric control box (101). The middle part of the pressing platform (3) is provided with a first slide groove (12), a sliding block (13) is slidably arranged on the first slide groove (12), a slider (14) is arranged below the sliding block (13), a through groove (15) is arranged on the sliding block (13), and the through groove (15) extends all the way to the bottom of the slider (14). Second slide grooves (16) are vertically arranged on both sides of the inner wall of the through groove (15), and second sliders (17) are arranged on both sides of the flame spray gun (7), and the lower part of the second slider (17) is provided with a through groove (15). A compression spring (18) is arranged between the end surface and the lower end surface of the second slide groove (16), the flame spray gun (7) is electrically connected to the electric control box (101), the flame spray nozzle of the flame spray gun (7) is a truncated cone structure, the front end surface of the pressing platform (3) is provided with a second through groove (19), one side of the slider (14) is provided with a stretching rod (20), the stretching rod (20) passes through the second through groove (19) and extends to the front end surface of the pressing platform (3), the stretching rod (20) is provided with a pull ring (38) at one end away from the slider (14), the pressing platform (3) is also provided with a third slide groove (21), the steel plate fixing mechanism (8) includes a sliding base (801), two third supports The sliding base (801) is provided with a third slider (22) below the sliding base (801), and the two third support plates (802) are respectively arranged on both sides of the upper end surface of the sliding base (801), and the inner side surface of the third support plate (802) is vertically provided with a first electric slide rail (23), the clamping plate (803) is slidably connected with the first electric slide rail (23), a baffle plate (24) is arranged above the first electric slide rail (23), and the first electric slide rail (23) is electrically connected with the electric control box (101), the upper end surface of the sliding base (801) is provided with a fourth slide groove (25), and the lower end of the third support plate (802) is provided with a fourth slider (26),A first bearing (27) is arranged on the outer side of the fourth sliding block (26), first threaded holes (28) are arranged on both sides of the sliding base (801), a first threaded rod (29) is screwed inwardly and connected to the first threaded hole (28), one end of the first threaded rod (29) is connected to the first bearing (27), and a first rotating handle (30) is arranged on the other end of the first threaded rod (29), a second threaded hole (31) is opened on the second supporting plate (4), a second bearing (32) is arranged on the outer side of the sliding base (801), a second threaded rod (33) is screwed inwardly and connected to the second threaded hole (31), one end of the second threaded rod (33) is connected to the second bearing (32), and a second rotating handle (34) is arranged on the other end of the second threaded rod (33).

2. The steel plate leveling device capable of eliminating the toughness of the steel plate according to claim 1, characterized in that: The lower end surface of the top plate (5) is provided with a second electric slide rail (35); the pressing mechanism (9) comprises an electric telescopic rod (901) and a pressing plate (902); a connecting block is provided above the electric telescopic rod (901); the connecting block is slidably connected to the second electric slide rail (35); the pressing plate (902) is provided below the electric telescopic rod (901); the electric telescopic rod (901) and the second electric slide rail (35) are both electrically connected to the electric control box (101).

3. A steel plate leveling device capable of eliminating the toughness of a steel plate according to claim 2, characterized in that: A support rod (36) is arranged below the electric telescopic rod (901), and support arms (37) are arranged on both sides of the support rod (36). The lower ends of the support arms (37) are fixedly connected to the two sides of the upper end surface of the pressing plate (902), and the two support arms (37) are in an inverted triangle shape on both sides of the support rod (36).

4. A method of using the steel plate leveling device capable of eliminating the toughness of the steel plate as claimed in claim 3, characterized in that: The steps include: S1: fixing the steel plate: placing the two ends of the bent steel plate on the upper end surfaces of the two sliding bases (801) respectively, then opening the first electric slide rail (23), and driving the clamping plate (803) to slide downward by the first electric slide rail (23), thereby fixing the steel plate; S2: Heating the steel plate: After the steel plate is fixed, the flame spray gun (7) is turned on to heat the steel plate, and then the pull ring (38) is held to pull the stretching rod (20), thereby driving the slider (14) and the sliding block (13) to slide on the first slide groove (12), thereby driving the flame spray gun (7) to slide, thereby achieving uniform heating of the steel plate; S3: Pressing the steel plate: After the steel plate is heated, the second electric slide rail (35) is turned on to drive the pressing mechanism (9) to adjust the pressing position, and then the electric telescopic rod (901) is turned on and extended, thereby driving the pressing plate (902) to press downward, thereby pressing and flattening the steel plate.

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