Steel plate machining and cutting equipment

Abstract

The invention discloses steel plate machining cutting equipment which comprises a cutting table, a supporting plate, a cutting assembly, a plurality of limiting assemblies and two grinding mechanisms, a first ball screw is arranged on the supporting plate, and a first sliding block is in threaded connection with the first ball screw; the cutting assembly is connected with the first sliding block. A vertical plate is arranged at one end of the cutting table, a fixing plate is arranged on one side wall of the cutting table, a rotating shaft is rotationally connected between the vertical plate and the fixing plate, an overturning plate is arranged on the rotating shaft, and a plurality of supports are arranged on the two side walls of the overturning plate respectively; the multiple limiting assemblies are connected with the corresponding supports correspondingly and used for clamping the steel plate. Supporting frames are arranged on the side wall of the cutting table and the side wall of the vertical plate correspondingly, the two grinding mechanisms are connected with the corresponding supporting frames correspondingly, and one grinding mechanism is connected with the first ball screw through a transmission assembly. Therefore, continuous cutting and edging treatment of the steel plate can be achieved, the steel plate does not need to be transferred midway, operation is easy, convenient and rapid, and therefore the overall efficiency of steel plate machining is remarkably improved.

Description

Technical Field

[0001] The present application relates to the technical field of steel plate cutting, and in particular to a steel plate processing and cutting device. Background Art

[0002] Flame cutting technology refers to mixing fuel gas (such as acetylene, propane, natural gas, etc.) with oxygen, igniting it in a special nozzle to produce a high-temperature flame (the temperature can be as high as 3300°C). When this hot flame touches the surface of the steel plate, it can quickly melt the steel plate and cause an oxidation reaction, thereby achieving the cutting of the steel plate.

[0003] At present, during the cutting process, the steel plate workpiece is placed on the workbench, and the operator holds the cutting nozzle and focuses the high-temperature flame precisely on the metal surface. The operator also fine-tunes the movement trajectory of the nozzle and controls the movement of the nozzle to strictly follow the preset contour line for cutting. However, because the cutting edge often leaves behind impurities such as slag, slag and oxide scale, and the edge is uneven, the incision surface is rough. Therefore, after the cutting is completed, the steel plate needs to be manually moved to the grinding equipment to perform a detailed grinding process on the end face. This step is not only cumbersome to operate, but also time-consuming and labor-intensive in the process of steel plate handling, which significantly affects the overall efficiency of steel plate processing. Summary of the invention

[0004] The present application aims to solve one of the technical problems in the related art at least to some extent.

[0005] To this end, one purpose of the present application is to propose a steel plate processing and cutting equipment that can achieve continuous cutting and edge grinding of steel plates without the need to transfer the steel plates in the middle, and the operation is simple and quick, thereby significantly improving the overall efficiency of steel plate processing.

[0006] To achieve the above-mentioned purpose, the first embodiment of the present application proposes a steel plate processing and cutting equipment, including a cutting table, a support plate, a cutting assembly, a plurality of limit assemblies and two grinding mechanisms, wherein the upper surface of the cutting table is provided with a groove, and a plurality of first conveying rollers are rotatably connected in the groove; the support plate is arranged on the upper surface of the cutting table, and a first driving member is provided on the cutting table, and a lifting plate is provided on the output end of the first driving member, and a plurality of second conveying rollers are rotatably connected on the lifting plate, and the second conveying rollers are arranged directly above the first conveying rollers; a positioning assembly is provided on the cutting table, and the positioning assembly is used to position the cutting length of the steel plate; and a lifting plate is provided on the support plate. A first ball screw, on which a first slider is threadedly connected; the cutting assembly is connected to the first slider; a vertical plate is provided at one end of the cutting table, a fixed plate is provided on one side wall of the cutting table, a rotating shaft is rotatably connected between the vertical plate and the fixed plate, a flip plate is provided on the rotating shaft, and a plurality of brackets are respectively provided on both side walls of the flip plate; a plurality of the limit assemblies are respectively connected to the corresponding brackets, wherein the limit assemblies are used to clamp the steel plate; support frames are provided on the side walls of the cutting table and the vertical plate, and the two grinding mechanisms are respectively connected to the corresponding support frames, and one of the grinding mechanisms is connected to the first ball screw through a transmission assembly.

[0007] The steel plate processing and cutting equipment of the embodiment of the present application can realize continuous cutting and edge grinding of steel plates without transferring the steel plates in the middle. The operation is simple and fast, thereby significantly improving the overall efficiency of steel plate processing.

[0008] In addition, the steel plate processing and cutting equipment proposed in the present application may also have the following additional technical features:

[0009] In one embodiment of the present application, the positioning assembly includes a plate sleeve, an adjustment plate and a positioning plate, wherein the plate sleeve is arranged on the side wall of the cutting table; one end of the adjustment plate is inserted into the interior of the plate sleeve, and the other end of the adjustment plate is connected to the positioning plate; the positioning plate is arranged at the output end of the steel plate.

[0010] In one embodiment of the present application, the limit assembly includes a third ball screw, two third sliders, two limit plates and a plurality of sliding rods, wherein the bracket is penetrated with two through grooves, and the third ball screw is rotatably connected to the bracket; the two third sliders are respectively slidably arranged in the corresponding through grooves, the third slider is threadedly connected to the third ball screw, and the third slider is provided with a first sliding groove, and the two opposite side walls of the first sliding groove are respectively penetrated with a second sliding groove; the two limit plates are respectively slidably connected to the corresponding first sliding groove; the two opposite inner walls of the through groove are respectively provided with a third sliding groove, and the plurality of sliding rods are respectively arranged on the opposite side walls of the corresponding limit plates, and the end of the sliding rod facing away from the limit plate passes through the second sliding groove and is slidably connected to the third sliding groove.

[0011] In one embodiment of the present application, the third sliding groove includes an oblique groove and a straight groove, wherein the oblique groove is arranged adjacent to two ends of the bracket, and the straight groove and the oblique groove are connected to each other.

[0012] In one embodiment of the present application, the cutting assembly includes a second driving member, a mounting plate and a cutting gun, wherein the second driving member is arranged on the first slider; the mounting plate is arranged on the output end of the second driving member; and the cutting gun is arranged on the mounting plate.

[0013] In one embodiment of the present application, the grinding mechanism includes a second ball screw, a second slider, multiple grinding shafts, multiple gears, a tooth plate and multiple grinding heads, wherein the second ball screw is rotatably arranged inside the support frame; the second slider is threadedly connected to the second ball screw; the multiple grinding shafts are respectively rotatably arranged on the side walls of the second slider; the multiple gears are respectively arranged on the corresponding grinding shafts; the tooth plate is installed on the inner wall of the support frame, and the tooth plate is meshingly connected to the gears; and the multiple grinding heads are respectively arranged at the ends of the corresponding grinding shafts.

[0014] In one embodiment of the present application, the transmission assembly includes two first sprockets and a toothed chain, wherein the two first sprockets are respectively arranged on the first ball screw and the second ball screw, and the two first sprockets are connected by the first toothed chain transmission.

[0015] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0017] Figure 1 This is a schematic structural diagram of a steel plate processing and cutting device according to an embodiment of the present application;

[0018] Figure 2 For this application Figure 1 Schematic diagram of the enlarged structure of area A in the middle;

[0019] Figure 3 A cross-sectional view of a steel plate processing and cutting device according to an embodiment of the present application;

[0020] Figure 4 This is a schematic structural diagram of a limit assembly in a steel plate processing and cutting device according to an embodiment of the present application;

[0021] Figure 5 This is a schematic structural diagram of a grinding component in a steel plate processing and cutting device according to an embodiment of the present application.

[0022] As shown in the figure: 1. Cutting table; 2. Support plate; 3. Cutting assembly; 4. Positioning assembly; 5. Limiting assembly; 6. Grinding mechanism; 7. Limiting rod; 8. First ball screw; 9. Transmission assembly; 10. Groove; 11. First conveying roller; 12. First driving member; 13. Lifting plate; 14. Second conveying roller; 15. Vertical plate; 16. Rotating shaft; 17. Flipping plate; 18. Bracket; 19. Support frame; 21. First slider; 30. Second driving member; 31. Installation Plate; 32, cutting gun; 40, plate sleeve; 41, adjustment plate; 42, positioning plate; 50, third ball screw; 51, third slider; 52, limit plate; 53, slide rod; 510, first slide groove; 180, third slide groove; 1801, inclined groove; 1802, straight groove; 181, through groove; 60, second ball screw; 61, second slider; 62, grinding shaft; 63, gear; 64, tooth plate; 65, grinding head; 90, first sprocket; 91, first tooth chain. DETAILED DESCRIPTION

[0023] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.

[0024] The steel plate processing and cutting equipment according to the embodiment of the present application is described below with reference to the accompanying drawings.

[0025] like Figures 1 to 5As shown, the steel plate processing and cutting equipment of the embodiment of the present application may include a cutting table 1, a support plate 2, a cutting component 3, a plurality of limit components 5 and two grinding mechanisms 6.

[0026] Among them, a groove 10 is provided on the upper surface of the cutting table 1, and a plurality of first conveying rollers 11 are rotatably connected in the groove 10. The support plate 2 is arranged on the upper surface of the cutting table 1, and a first driving member 12 is provided on the cutting table 1. A lifting plate 13 is provided at the output end of the first driving member 12, and a plurality of second conveying rollers 14 are rotatably connected on the lifting plate 13. The second conveying rollers 14 are arranged directly above the first conveying rollers 11.

[0027] It should be noted that the first conveyor roller 11 and the second conveyor roller 14 described in this embodiment are respectively connected to an external driving mechanism, and the driving mechanism can drive the first conveyor roller 11 and the second conveyor roller 14 to move in opposite directions to convey the steel plate, and the distance between the second conveyor roller 14 and the first conveyor roller 11 is adjustable, so that steel plates of different thicknesses can be conveyed.

[0028] Furthermore, the support plate 2 is a U-shaped plate, which can support the first driving member 12. The lifting plate 13 is slidably connected to the support plate 2. The first driving member 12 can be a hydraulic rod. The height of the lifting plate 13 can be adjusted by the first driving member 12, and finally the height of the second conveying roller 14 can be adjusted.

[0029] A positioning assembly 4 is provided on the cutting table 1 , and the positioning assembly 4 is used to position the cutting length of the steel plate. A first ball screw 8 is provided on the support plate 2 , and a first slider 21 is threadedly connected to the first ball screw 8 . The cutting assembly 3 is connected to the first slider 21 .

[0030] It should be noted that the positioning assembly 4 described in this embodiment can limit the length of the steel plate to ensure that the cutting length of the steel plate is consistent, thereby improving the accuracy of steel plate cutting.

[0031] Furthermore, one end of the first ball screw 8 passes through the side wall of the support plate 2, and a limit rod 7 is provided on the support plate 2. The limit rod 7 is arranged parallel to the first ball screw 8, and the first slider 21 is slidably connected to the limit rod 7. The moving direction of the first slider 21 can be limited by the limit rod 7 to ensure that the first slider 21 can move along the axial direction of the first ball screw 8, thereby driving the cutting assembly 3 to move along the width direction of the steel plate to achieve cutting of the steel plate.

[0032] A vertical plate 15 is provided at one end of the cutting table 1, and a fixed plate is provided on one side wall of the cutting table 1. A rotating shaft 16 is rotatably connected between the vertical plate 15 and the fixed plate, and a flip plate 17 is provided on the rotating shaft 16. A plurality of brackets 18 are respectively provided on both side walls of the flip plate 17, and a plurality of limit assemblies 5 are respectively connected to the corresponding brackets 18, wherein the limit assemblies 5 are used to clamp the steel plate.

[0033] It should be noted that the rotating shaft 16 is connected to an external motor, which can drive the rotating shaft 16 to intermittently rotate 180 degrees, and through the cooperation of the flip plate 17, drive the limit assembly 5 and the cut steel plate to flip 180 degrees to facilitate the grinding of its end surface.

[0034] The side walls of the cutting table 1 and the vertical plate 15 are both provided with a support frame 19 , and the two grinding mechanisms 6 are respectively connected to the corresponding support frames 19 , and one of the grinding mechanisms 6 is connected to the first ball screw 8 through the transmission assembly 9 .

[0035] It should be noted that a support frame is provided at the bottom of the support frame 19 described in this embodiment to support the support frame 19. The two grinding mechanisms 6 can respectively grind the two ends of the cut steel plate to eliminate slag, slag, oxide scale and other attachments on the end surface of the steel plate, thereby improving the aesthetics of the end surface of the steel plate.

[0036] In one embodiment of the present application, Figure 1 As shown, the positioning assembly 4 may include a plate sleeve 40, an adjustment plate 41 and a positioning plate 42, wherein the plate sleeve 40 is arranged on the side wall of the cutting table 1, one end of the adjustment plate 41 is inserted into the interior of the plate sleeve 40, and the other end of the adjustment plate 41 is connected to the positioning plate 42, and the positioning plate 42 is arranged at the output end of the steel plate.

[0037] It should be noted that the adjustment plate 41 and the plate sleeve 40 described in this embodiment can be fixed by bolts. Through the cooperation between the plate sleeve 40 and the adjustment plate 41, the position of the positioning plate 42 can be adjusted, so that steel plates with different cutting lengths can be positioned.

[0038] In one embodiment of the present application, Figure 3As shown, the limiting assembly 5 may include a third ball screw 50, two third sliders 51, two limiting plates 52 and a plurality of slide rods 53, wherein two through grooves 181 are penetrated on the bracket 18, the third ball screw 50 is rotatably connected to the bracket 18, the two third sliders 51 are respectively slidably arranged in the corresponding through grooves 181, the third slider 51 is threadedly connected to the third ball screw 50, and a first slide groove 510 is provided on the third slider 51, and two opposite side walls of the first slide groove 510 are respectively penetrated with second slide grooves 511, the two limiting plates 52 are respectively slidably connected to the corresponding first slide groove 510, and two opposite inner walls of the through groove 181 are respectively provided with third slide grooves 180, and a plurality of slide rods 53 are respectively arranged on the opposite side walls of the corresponding limiting plates 52, and one end of the slide rod 53 away from the limiting plate 52 penetrates the second slide groove 511 and is slidably connected to the third slide groove 180.

[0039] It should be noted that the third ball screw 50 described in this embodiment is connected to an external driving mechanism (such as a motor), and the third ball screw 50 can be driven to rotate by the driving mechanism. The third ball screw 50 is provided with two sections of threads in opposite directions, and the two third sliders 51 are respectively arranged on different sections of threads. When the third ball screw 50 rotates, it can drive the two third sliders 51 to move toward or away from each other.

[0040] Furthermore, if Figure 3 As shown, the third sliding groove 180 includes an inclined groove 1801 and a straight groove 1802 , wherein the inclined groove 1801 is disposed adjacent to both ends of the bracket 18 , and the straight groove 1802 is connected to the inclined groove 1801 .

[0041] It should be noted that when supporting the steel plate, the notch of the third slider 51 faces upward, and the two pairs of third sliding grooves 180 on the bracket 18 are symmetrically arranged, and the inclined groove 1801 is lower at one end near the end of the bracket 18, and the inclined groove 1801 is higher at one end away from the end of the bracket 18.

[0042] Specifically, see Figure 3 When the two third sliders 51 approach each other, the two limit plates 52 are driven to move toward each other. At the same time, with the cooperation of the third slide groove 180, the two limit plates 52 are driven to move upward, so that the limit plates 52 move out from the third slider 51 and abut against the two side walls of the steel plate, thereby achieving the purpose of limiting the steel plate.

[0043] In one embodiment of the present application, Figure 2 As shown, the cutting assembly 3 may include a second driving member 30 , a mounting plate 31 and a cutting gun 32 , wherein the second driving member 30 is arranged on the first slider 21 , the mounting plate 31 is arranged at the output end of the second driving member 30 , and the cutting gun 32 is arranged on the mounting plate 31 .

[0044] It should be noted that the second driving member 30 described in this embodiment may be an electric push rod or a pneumatic rod, and the height of the cutting gun 32 can be adjusted by the second driving member 30 to ensure that the distance between the cutting gun 32 and the steel plate is within the cutting range.

[0045] Furthermore, if Figure 5 As shown, the grinding mechanism 6 may include a second ball screw 60, a second slider 61, multiple grinding shafts 62, multiple gears 63, a tooth plate 64 and multiple grinding heads 65, wherein the second ball screw 60 is rotatably set inside the support frame 19, the second slider 61 is threadedly connected to the second ball screw 60, multiple grinding shafts 62 are respectively rotatably set on the side walls of the second slider 61, multiple gears 63 are respectively set on the corresponding grinding shafts 62, the tooth plate 64 is installed on the inner wall of the support frame 19, and the tooth plate 64 is meshingly connected to the gear 63, and multiple grinding heads 65 are respectively set at the ends of the corresponding grinding shafts 62.

[0046] It should be noted that the second ball screw 60 described in this embodiment is a reciprocating screw, and the second slider 61 is slidably disposed inside the support frame 19. When the second ball screw 60 rotates, it can drive the second slider 61 to reciprocate.

[0047] Furthermore, when the second slider 61 drives the grinding shaft 62 and the gear 63 to move back and forth, the gear 63 is restricted by the tooth plate 64 so that it can rotate and drive the grinding shaft 62 and the grinding head 65 to rotate, thereby achieving grinding of the end of the steel plate.

[0048] In an embodiment of the present application, a second sprocket is respectively provided on the two second ball screws 60, and the two second sprockets are connected by a second toothed chain transmission. Through the cooperation between the second sprocket and the second toothed chain, the two second ball screws 60 can be driven to rotate synchronously.

[0049] In one embodiment of the present application, Figure 1 As shown, the transmission assembly 9 may include two first sprockets 90 and a first toothed chain 91 , wherein the two first sprockets 90 are respectively arranged on the first ball screw 8 and the second ball screw 60 , and the two first sprockets 90 are transmission-connected via the first toothed chain 91 .

[0050] In the embodiment of the present application, when the first ball screw 8 rotates, the cooperation between the first sprocket 90 and the first toothed chain 91 can drive the second ball screw 60 to rotate, thereby driving the grinding mechanism 6 to start.

[0051] Specifically, when cutting the steel plate, the relevant personnel can adjust the length of the positioning plate 42 according to the length of the steel plate to be cut, and at the same time, control the upper surface of one group of support frames 19 to be flush with the upper surface of the cutting table 1, and then the steel plate can be conveyed forward by the first conveyor roller 11 and the second conveyor roller 14. When one end of the steel plate is in contact with the positioning plate 42, the first conveyor roller 11 and the second conveyor roller 14 can be controlled to stop running. At this time, the relevant personnel can control the third ball screw 50 to rotate, and through the cooperation of the third slider 51, drive the two limit plates 52 to move closer to each other. At the same time, with the cooperation of the slide rod 53 and the third slide groove 180, the two limit plates 52 can also move upward, and finally make the two limit plates 52 respectively abut against the two side walls of the steel plate to limit the steel plate.

[0052] Then, the relevant personnel control the rotation of the first ball screw 8, and through the cooperation of the first slider 21, drive the cutting assembly 3 to move along the axial direction of the first ball screw 8 to cut the steel plate. At the same time, with the cooperation of the transmission assembly 9, it can also drive the second ball screw 60 to rotate. The second ball screw 60 drives the second slider 61 to move back and forth, and drives the grinding shaft 62 and the gear 63 to move. With the cooperation of the tooth plate 64, the gear 63 and the grinding shaft 62 can also rotate, and finally drive the grinding head 65 to rotate, so as to grind the end face of the steel plate, so that cutting and grinding can be carried out simultaneously.

[0053] After grinding is completed, the third ball screw 50 is controlled to start again, and the third ball screw 50 drives the two limit plates 52 to move in the opposite direction. At this time, the steel plate is located on the lower surface of the bracket 18, and the grinded steel plate automatically falls on the conveying mechanism (not shown in the figure) and is transported to the next processing station through the conveying mechanism.

[0054] Finally, the relevant personnel control the rotation of the rotating shaft 16, and the rotating shaft 16 drives the flip plate 17 and the bracket 18 to flip 180 degrees. The cut steel plate is transferred between the two grinding mechanisms 6. At the same time, the other set of brackets 18 rotates between the positioning plate 42 and the cutting table 1, and is flush with the cutting table 1. This reciprocating process can continuously cut and grind the steel plate, thereby improving the efficiency of steel plate cutting.

[0055] In summary, the steel plate processing and cutting equipment of the embodiment of the present application can realize continuous cutting and edge grinding of steel plates without transferring the steel plates in the middle. The operation is simple and fast, thereby significantly improving the overall efficiency of steel plate processing.

[0056] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0057] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0058] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present application.

Claims

1. A steel plate processing and cutting device, characterized in that: It includes a cutting table, a support plate, a cutting assembly, a plurality of limit assemblies and two grinding mechanisms, wherein: The upper surface of the cutting table is provided with a groove, and a plurality of first conveying rollers are rotatably connected in the groove; The support plate is arranged on the upper surface of the cutting table, and a first driving member is arranged on the cutting table, a lifting plate is arranged at the output end of the first driving member, a plurality of second conveying rollers are rotatably connected to the lifting plate, and the second conveying rollers are arranged directly above the first conveying rollers; The cutting table is provided with a positioning component, and the positioning component is used to position the cutting length of the steel plate; A first ball screw is provided on the support plate, and a first slider is threadedly connected to the first ball screw; The cutting assembly is connected to the first slider; A vertical plate is provided at one end of the cutting table, a fixed plate is provided on one side wall of the cutting table, a rotating shaft is rotatably connected between the vertical plate and the fixed plate, a flip plate is provided on the rotating shaft, and a plurality of brackets are provided on both side walls of the flip plate; A plurality of the limiting components are respectively connected to the corresponding brackets, wherein the limiting components are used to clamp the steel plate; The side walls of the cutting table and the vertical plate are both provided with support frames, the two grinding mechanisms are respectively connected to the corresponding support frames, and one of the grinding mechanisms is connected to the first ball screw through a transmission assembly.

2. The steel plate processing and cutting equipment according to claim 1, characterized in that: The positioning assembly includes a plate sleeve, an adjustment plate and a positioning plate, wherein: The plate sleeve is arranged on the side wall of the cutting table; One end of the adjusting plate is inserted into the plate sleeve, and the other end of the adjusting plate is connected to the positioning plate; The positioning plate is arranged at the output end of the steel plate.

3. The steel plate processing and cutting equipment according to claim 1, characterized in that: The limiting assembly includes a third ball screw, two third sliders, two limiting plates and a plurality of slide rods, wherein: The bracket is provided with two through slots, and the third ball screw is rotatably connected to the bracket; The two third sliding blocks are respectively slidably disposed in the corresponding through grooves, the third sliding blocks are threadedly connected to the third ball screw, and the third sliding blocks are provided with a first sliding groove, and two opposite side walls of the first sliding groove are respectively penetrated with a second sliding groove; The two limiting plates are respectively slidably connected to the corresponding first sliding grooves; Two opposite inner walls of the through groove are respectively provided with a third sliding groove, and the plurality of sliding rods are respectively arranged on the opposite side walls of the corresponding limiting plates, and one end of the sliding rod away from the limiting plate passes through the second sliding groove and is slidably connected to the third sliding groove.

4. The steel plate processing and cutting equipment according to claim 3, characterized in that: The third sliding groove includes an oblique groove and a straight groove, wherein the oblique groove is arranged adjacent to two ends of the bracket, and the straight groove and the oblique groove are communicated with each other.

5. The steel plate processing and cutting equipment according to claim 1, characterized in that: The cutting assembly includes a second driving member, a mounting plate and a cutting gun, wherein: The second driving member is arranged on the first sliding block; The mounting plate is arranged at the output end of the second driving member; The cutting gun is arranged on the mounting plate.

6. The steel plate processing and cutting equipment according to claim 1, characterized in that: The grinding mechanism includes a second ball screw, a second slider, a plurality of grinding shafts, a plurality of gears, a toothed plate and a plurality of grinding heads, wherein: The second ball screw is rotatably disposed inside the support frame; The second sliding block is threadedly connected to the second ball screw; The plurality of grinding shafts are rotatably disposed on the side walls of the second sliding block respectively; The plurality of gears are respectively arranged on the corresponding grinding shafts; The tooth plate is installed on the inner wall of the support frame, and the tooth plate is meshed and connected with the gear; The plurality of grinding heads are respectively arranged at the ends of the corresponding grinding shafts.

7. The steel plate processing and cutting equipment according to claim 6, characterized in that: The transmission assembly includes two first sprockets and a first toothed chain, wherein: The two first sprockets are respectively arranged on the first ball screw and the second ball screw, and the two first sprockets are connected by the first toothed chain transmission.

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