Positioning structure for logistics shelf steel welding

Abstract

The invention relates to the technical field of steel welding machining, in particular to a positioning structure for logistics shelf steel welding, which comprises an operation table, lifting moving assemblies are fixed at four corners of the bottom of the operation table respectively, a fixing plate is fixed on the upper surface of the operation table, a rotating assembly is fixed on the front side of the fixing plate, and a fixing frame is fixed at the front end of the rotating assembly. A reciprocating moving assembly capable of reciprocating back and forth is fixed to one side of the fixed frame, a moving plate is fixed to the outer side of the reciprocating moving assembly, a reciprocating lifting assembly is fixed to the outer side of the moving plate, and a positioning hole is formed in the side face of the reciprocating lifting assembly. The logistics goods shelf steel welding device has the beneficial effects that when logistics goods shelf steel is welded and machined, moving and lifting are convenient, accurate transverse and vertical measurement, moving, positioning and guiding can be conducted, convenience is brought to welding and machining of the logistics goods shelf steel, and the use requirement can be well met.

Description

Technical Field

[0001] The invention relates to the technical field of steel welding processing, and in particular to a positioning structure for welding steel materials of logistics racks. Background Art

[0002] Logistics shelves are shelves used in logistics turnover centers. Generally, there are storage shelves and drive-through shelves. The specific application depends on the requirements.

[0003] At present, in the existing technology, when welding and processing logistics rack steels of different specifications, there is a lack of a positioning structure that is easy to move and lift and can perform accurate horizontal and vertical measurement and movement, which is not convenient for accurate positioning and guiding welding processing, which has an adverse effect on the welding processing of logistics rack steels and cannot meet the use requirements well. Therefore, a positioning structure for logistics rack steel welding is proposed. Summary of the invention

[0004] In order to overcome the technical defects in the prior art and effectively solve the technical problems in the background technology, the present invention provides the following technical solutions:

[0005] A positioning structure for welding steel materials of logistics shelves comprises an operating table, wherein four corners of the bottom of the operating table are respectively fixedly installed with lifting and moving components, a fixed plate is fixedly installed on the upper surface of the operating table, a rotating component is fixedly installed on the front side of the fixed plate, a fixed frame is fixedly installed on the front end of the rotating component, a reciprocating moving component that can move back and forth is fixedly installed on one side of the fixed frame, a moving plate is fixedly installed on the outer side of the reciprocating moving component, a reciprocating lifting component is fixedly installed on the outer side of the moving plate, positioning holes are correspondingly opened on the side surfaces of the reciprocating lifting component, a horizontal measuring component is correspondingly arranged between the fixed frame and the upper surface of the moving plate, and a vertical measuring component is correspondingly arranged between the moving plate and the outer side of the reciprocating lifting component.

[0006] As a preferred technical solution of the present invention, the lifting and moving assembly includes an electric lifting rod and a universal wheel. The electric lifting rod is fixedly installed at the bottom of the operating table, and the bottom end of the electric lifting rod is fixedly installed with a universal wheel with a foot brake through a mounting seat.

[0007] As a preferred technical solution of the present invention, the rotating assembly includes a rotating shaft, a driven sprocket, a chain, an auxiliary sprocket, an auxiliary shaft, a rotating motor and a driving sprocket. The rotating shaft is rotatably connected to the upper part of the front side of the fixed plate through a bearing, the rear end of the rotating shaft extending to the rear of the fixed plate is fixedly installed with a driven sprocket, the rotating motor is fixedly installed at the lower part of the rear side of the fixed plate, the rear end of the rotating motor output shaft is fixedly installed with a driving sprocket, the left and right sides of the middle part of the rear side of the fixed plate are respectively rotatably connected with auxiliary shafts through bearings, the rear ends of the two auxiliary shafts are respectively fixedly installed with auxiliary sprockets, and chains are correspondingly arranged on the outer sides of the driven sprocket, auxiliary sprocket and driving sprocket.

[0008] As a preferred technical solution of the present invention, the reciprocating moving component includes an installation groove 1, a guide rod 1, a slider 1, a lead screw 1 and a reciprocating motor 1, the installation groove 1 is opened in the upper part of the left side of the fixed frame, the guide rod 1 is fixedly installed between the front and rear inner walls of the installation groove 1, the lead screw 1 is rotatably connected between the front and rear inner walls of the installation groove 1 through a bearing, the lead screw 1 and the guide rod 1 are parallel to each other, the guide rod 1 is slidably connected to the sliding hole on the side of the slider 1, the lead screw 1 is threadedly connected to the threaded hole on the side of the slider 1, the left side of the slider 1 is fixedly connected to the upper part of the right side of the moving plate, the reciprocating motor 1 is fixedly installed on the outside of the fixed frame, and the output shaft of the reciprocating motor 1 is fixedly connected to one end of the lead screw 1.

[0009] As a preferred technical solution of the present invention, it also includes a mobile auxiliary component, which includes an auxiliary mounting groove, an auxiliary guide rod and an auxiliary slider. The auxiliary mounting groove is opened at the lower part of the left side of the fixed frame, and the auxiliary guide rod is fixedly installed between the front and rear inner walls of the mounting groove. The auxiliary guide rod is slidably connected to the sliding hole on the side of the auxiliary slider, and the left side of the auxiliary slider is fixedly connected to the lower part of the right side of the movable plate.

[0010] As a preferred technical solution of the present invention, the reciprocating lifting assembly includes a second mounting groove, a second guide rod, a second lead screw, a groove, a second reciprocating motor and a second slider. The second mounting groove is opened on the left side of the movable plate, the second guide rod is fixedly installed between the upper and lower inner walls of the second mounting groove, the second lead screw is rotatably connected between the upper and lower inner walls of the second mounting groove through a bearing, the second lead screw and the second guide rod are parallel to each other, the second guide rod is slidably connected to the sliding hole on the side of the second slider, the second lead screw is threadedly connected to the threaded hole on the side of the second slider, the positioning hole is opened on the left side of the second slider and located between the second lead screw and the second guide rod, a groove is opened on the left side of the movable plate at a position above the second mounting groove, the second reciprocating motor is fixedly installed in the groove, and the output shaft of the second reciprocating motor is fixedly connected to the top of the second lead screw.

[0011] As a preferred technical solution of the present invention, the horizontal measurement component includes a scale line and a pointer. The upper surface of the fixed frame is correspondingly provided with a scale line, and the upper surface of the movable plate is fixedly installed with a pointer that can move back and forth corresponding to the scale line.

[0012] As a preferred technical solution of the present invention, the vertical measuring component includes two scale lines and two pointers. The left side of the movable plate is provided with two scale lines correspondingly, and the left side of the slider is fixedly installed with two pointers that can move up and down corresponding to the two scale lines.

[0013] As a preferred technical solution of the present invention, the front side of the fixed plate is provided with arc grooves with the same center at the upper left corner and the lower right corner of the rotating shaft, and the rear side of the fixed frame is provided with limit rods fixedly installed at the positions above and below the rotating shaft, and the rear ends of the two limit rods are slidably connected with the two arc grooves respectively.

[0014] As a preferred technical solution of the present invention, a battery is fixedly installed at the bottom of the operating table, a controller is fixedly installed on one side of the upper surface of the operating table, and a push rod is fixedly installed on the rear side of the operating table.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the positioning structure for welding logistics rack steel is reasonable and practical in structure, easy to operate, and convenient to move and lift when welding logistics rack steel of different specifications. It has a positioning structure that can perform accurate horizontal and vertical measurement and movement, which is convenient for accurate positioning and guiding welding processing, brings convenience to the welding processing of logistics rack steel, and can well meet the use requirements; specifically, the height of the entire device can be adjusted through the lifting and moving components, and the device can be conveniently moved for use; the fixed plate can be driven by the rotating component to rotate and adjust, so that it is convenient to perform horizontal, vertical and oblique adjustments according to the needs of the welding position. The reciprocating moving assembly can drive the moving plate to move forward and backward, so that the horizontal position of the positioning hole can be adjusted; the reciprocating lifting assembly can adjust the height position of the positioning hole; the horizontal measurement assembly can be used to measure the horizontal displacement, and the vertical measurement assembly can be used to measure the vertical displacement; the positioning hole is used to accurately guide the welding position, so that the user can use welding devices such as welding guns to accurately position and weld the workpiece position measured and located in the positioning hole. The sliding connection of the limit rod in the arc groove can assist in guiding the rotation of the fixed frame to limit the positive and negative rotation of 90° between the vertical and horizontal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a side view of the operating table of the present invention.

[0018] Figure 3 It is a schematic diagram of the structure of a part of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the fixing plate of the present invention.

[0020] Figure 5 It is a schematic structural diagram of the rotating assembly of the present invention.

[0021] Figure 6 It is a structural schematic diagram of the fixing frame of the present invention.

[0022] Figure 7 It is a side view of the fixing frame of the present invention.

[0023] Figure 8 It is a structural schematic diagram of the movable plate of the present invention.

[0024] Fig. 9 It is a side view of the movable plate of the present invention.

[0025] In the figure: operating table 1, lifting and moving assembly 2, electric lifting rod 21, universal wheel 22, fixed plate 3, rotating assembly 4, rotating shaft 41, driven sprocket 42, chain 43, auxiliary sprocket 44, auxiliary shaft 45, rotating motor 46, driving sprocket 47, fixed frame 5, reciprocating moving assembly 6, mounting groove 61, guide rod 62, slider 63, lead screw 64, reciprocating motor 65, moving auxiliary assembly 7, auxiliary mounting groove 71, Auxiliary guide rod 72, auxiliary slider 73, moving plate 8, reciprocating lifting assembly 9, mounting groove 2 91, guide rod 2 92, lead screw 2 93, groove 94, reciprocating motor 2 95, slider 2 96, positioning hole 10, horizontal measuring assembly 11, scale line 111, pointer 1 112, vertical measuring assembly 12, scale line 2 121, pointer 2 122, arc groove 13, limit rod 14, battery 15, controller 16, push rod 17. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-9The present invention provides a technical solution: a positioning structure for welding steel materials of logistics shelves, comprising an operating table 1, wherein the four corners of the bottom of the operating table 1 are respectively fixedly installed with lifting and moving components 2, a fixed plate 3 is fixedly installed on the upper surface of the operating table 1, a rotating component 4 is fixedly installed on the front side of the fixed plate 3, a fixed frame 5 is fixedly installed on the front end of the rotating component 4, a reciprocating moving component 6 that can reciprocate back and forth is fixedly installed on one side of the fixed frame 5, a moving plate 8 is fixedly installed on the outer side of the reciprocating moving component 6, a reciprocating lifting component 9 is fixedly installed on the outer side of the moving plate 8, and a positioning hole 10 is correspondingly opened on the side of the reciprocating lifting component 9, through the positioning hole 10, it is convenient to accurately position and guide the welding position, so that the user can use a welding gun or other welding device to accurately position and weld the workpiece position measured and positioned in the positioning hole 10, a horizontal measuring component 11 is correspondingly arranged between the fixed frame 5 and the upper surface of the moving plate 8, and a vertical measuring component 12 is correspondingly arranged between the moving plate 8 and the outer side of the reciprocating lifting component 9.

[0028] Further, such as Figure 2 As shown, the lifting and moving assembly 2 includes an electric lifting rod 21 and a universal wheel 22. The electric lifting rod 21 is fixedly installed at the bottom of the operating table 1. The bottom end of the electric lifting rod 21 is fixedly installed with a universal wheel 22 with a foot brake through a mounting seat. The height of the entire device can be adjusted by lifting and lowering the electric lifting rod 21, and the universal wheel 22 is used to facilitate the movement of the device.

[0029] Further, such as Figure 5 As shown, the rotating assembly 4 includes a rotating shaft 41, a driven sprocket 42, a chain 43, an auxiliary sprocket 44, an auxiliary shaft 45, a rotating motor 46 and a driving sprocket 47. The rotating shaft 41 is rotatably connected to the upper part of the front side of the fixed plate 3 through a bearing, and the rear end of the rotating shaft 41 extending to the rear of the fixed plate 3 is fixedly installed with the driven sprocket 42, the rotating motor 46 is fixedly installed at the lower part of the rear side of the fixed plate 3, and the rear end of the output shaft of the rotating motor 46 is fixedly installed with the driving sprocket 47. The left and right sides of the middle of the rear side of the fixed plate 3 are respectively An auxiliary shaft 45 is rotatably connected via a bearing, and auxiliary sprockets 44 are fixedly installed at the rear ends of the two auxiliary shafts 45. Chains 43 are correspondingly arranged on the outer sides of the driven sprocket 42, the auxiliary sprocket 44 and the driving sprocket 47. By rotating the motor 46 to drive the driving sprocket 47 to rotate, the driven sprocket 42, the chain 43 and the auxiliary sprocket 44 can be driven to rotate synchronously, and then the fixed plate 3 can be driven to rotate and adjust, so as to facilitate horizontal, vertical and oblique adjustment switching according to the needs of the welding position.

[0030] Further, such as Figure 7As shown, the reciprocating moving assembly 6 includes a mounting groove 61, a guide rod 62, a slider 63, a lead screw 64 and a reciprocating motor 65. The mounting groove 61 is opened at the upper part of the left side of the fixed frame 5, the guide rod 62 is fixedly installed between the front and rear inner walls of the mounting groove 61, the lead screw 64 is rotatably connected between the front and rear inner walls of the mounting groove 61 through a bearing, the lead screw 64 and the guide rod 62 are parallel to each other, the guide rod 62 is slidably connected to the sliding hole on the side of the slider 63, the lead screw 64 is threadedly connected to the threaded hole on the side of the slider 63, the left side of the slider 63 is fixedly connected to the upper part of the right side of the moving plate 8, the reciprocating motor 65 is fixedly installed on the outer side of the fixed frame 5, the output shaft of the reciprocating motor 65 is fixedly connected to one end of the lead screw 64, the reciprocating motor 65 drives the lead screw 64 to rotate, the slider 63 can be driven to move up and down, and then the moving plate 8 can be driven to move forward and backward, so that the horizontal position of the positioning hole 10 can be adjusted.

[0031] Further, such as Figure 7 As shown, it also includes a moving auxiliary component 7, which includes an auxiliary mounting groove 71, an auxiliary guide rod 72 and an auxiliary slider 73. The auxiliary mounting groove 71 is opened at the lower part of the left side of the fixed frame 5, and the auxiliary guide rod 72 is fixedly installed between the front and rear inner walls of the mounting groove 61. The auxiliary guide rod 72 is slidably connected to the sliding hole on the side of the auxiliary slider 73. The left side of the auxiliary slider 73 is fixedly connected to the lower part of the right side of the moving plate 8. Through the front and rear lifting and lowering movement of the auxiliary slider 73, the front and rear movement of the moving plate 8 is supported and limited by auxiliary support.

[0032] Further, such as Figure 8 and 9 As shown, the reciprocating lifting assembly 9 includes a second mounting groove 91, a second guide rod 92, a second lead screw 93, a groove 94, a second reciprocating motor 95 and a second slider 96. The second mounting groove 91 is opened on the left side of the moving plate 8. The second guide rod 92 is fixedly installed between the upper and lower inner walls of the second mounting groove 91. The second lead screw 93 is rotatably connected between the upper and lower inner walls of the second mounting groove 91 through a bearing. The second lead screw 93 and the second guide rod 92 are parallel to each other. The second guide rod 92 is slidably connected to the sliding hole on the side of the slider 96. The second lead screw 93 and the side of the slider 96 are The threaded hole is threadedly connected, and the positioning hole 10 is opened on the left side of the slider 96 between the lead screw 93 and the guide rod 92. A groove 94 is opened on the left side of the movable plate 8 above the mounting groove 91. The reciprocating motor 95 is fixedly installed in the groove 94. The output shaft of the reciprocating motor 95 is fixedly connected to the top of the lead screw 93. By driving the lead screw 93 to rotate through the reciprocating motor 95, the slider 96 can be driven to move up and down, and the height position of the positioning hole 10 can be adjusted.

[0033] Further, such as Figure 1As shown, the horizontal measuring component 11 includes a scale line 111 and a pointer 112. The upper surface of the fixed frame 5 is correspondingly provided with a scale line 111, and the upper surface of the movable plate 8 is fixedly installed with a pointer 112 that can move back and forth corresponding to the scale line 111. By moving the pointer 112 following the movable plate 8 on the upper surface of the scale line 111, lateral displacement measurement can be performed.

[0034] Further, such as Fig. 9 As shown, the vertical measuring component 12 includes a scale line 121 and a pointer 122. The scale line 121 is correspondingly arranged on the left side of the movable plate 8, and a pointer 122 that can move up and down corresponding to the scale line 121 is fixedly installed on the left side of the slider 96. The pointer 122 follows the slider 96 to move up and down on the surface of the scale line 121, so that vertical displacement measurement can be performed.

[0035] Further, such as Figure 4 As shown, the front side of the fixing plate 3 is provided with arc grooves 13 at the upper left corner and the lower right corner of the rotating shaft 41 (specifically, the arc groove 13 is a quarter arc groove with a 90° angle and the same center as the rotating shaft 41). Figure 6 As shown, the rear side of the fixed frame 5 is respectively fixedly installed with the limit rods 14 at the positions above and below the rotating shaft 41, as shown in FIG. Figure 1 As shown, the rear ends of the two limit rods 14 are slidably connected to the two arc grooves 13 respectively. Through the sliding connection of the limit rods 14 in the arc grooves 13, the rotation of the fixed frame 5 can be guided to an auxiliary limiting angle, so that it is limited to a 90° forward and reverse rotation between vertical and horizontal.

[0036] Further, such as Figure 2 As shown, a battery 15 is fixedly installed at the bottom of the operating table 1, and the battery 15 provides electrical energy. Figure 1 As shown, a controller 16 is fixedly mounted on one side of the upper surface of the operating table 1, and control operations are performed through the controller 16. A push rod 17 is fixedly mounted on the rear side of the operating table 1, and the push rod 17 facilitates the push-pull movement of the entire device.

[0037] Specifically, the electric lifting rod 21, the rotating motor 46, the reciprocating motor 65, the reciprocating motor 95, the battery 15 and the controller 16 are electrically connected respectively. The devices used in the present invention are conventional devices commonly used in the prior art, and their connection and operation principles are existing mature technologies, so the principles will not be further described here.

[0038] When using:

[0039] The height of the device can be adjusted by raising and lowering the electric lifting rod 21, and the device can be easily moved by the universal wheels 22;

[0040] By rotating the motor 46 to drive the driving sprocket 47 to rotate, the driven sprocket 42, the chain 43 and the auxiliary sprocket 44 can be driven to rotate synchronously, and then the fixed plate 3 can be driven to rotate and adjust, so as to facilitate horizontal, vertical and oblique adjustment switching according to the needs of the welding position;

[0041] By driving the screw 1 64 to rotate through the reciprocating motor 1 65, the slider 1 63 can be driven to move up and down, and then the movable plate 8 can be driven to move forward and backward, so that the horizontal position of the positioning hole 10 can be adjusted; by driving the screw 2 93 to rotate through the reciprocating motor 2 95, the slider 2 96 can be driven to move up and down, and then the height position of the positioning hole 10 can be adjusted;

[0042] By the pointer 112 following the moving plate 8 to move back and forth on the upper surface of the scale line 111, the horizontal displacement measurement can be performed, and by the pointer 2 122 following the slider 2 96 to move up and down on the surface of the scale line 2 121, the vertical displacement measurement can be performed;

[0043] The positioning hole 10 facilitates accurate positioning and guiding of the welding position, so that the user can use a welding gun or other welding device to perform accurate positioning welding on the workpiece position measured and positioned in the positioning hole 10 .

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning structure for welding steel materials for logistics racks, comprising an operating table (1), characterized in that: The four corners of the bottom of the operating table (1) are respectively fixedly mounted with lifting and moving components (2); a fixed plate (3) is fixedly mounted on the upper surface of the operating table (1); a rotating component (4) is fixedly mounted on the front side of the fixed plate (3); a fixed frame (5) is fixedly mounted on the front end of the rotating component (4); a reciprocating moving component (6) that can reciprocate forward and backward is fixedly mounted on one side of the fixed frame (5); a moving plate (8) is fixedly mounted on the outer side of the reciprocating moving component (6); a reciprocating lifting component (9) is fixedly mounted on the outer side of the moving plate (8); positioning holes (10) are correspondingly opened on the side of the reciprocating lifting component (9); a horizontal measuring component (11) is correspondingly arranged between the fixed frame (5) and the upper surface of the moving plate (8); and a vertical measuring component (12) is correspondingly arranged between the moving plate (8) and the outer side of the reciprocating lifting component (9).

2. The positioning structure for welding of logistics rack steel according to claim 1 is characterized in that: The lifting and moving assembly (2) comprises an electric lifting rod (21) and a universal wheel (22); the electric lifting rod (21) is fixedly mounted on the bottom of the operating platform (1); and the universal wheel (22) with a foot brake is fixedly mounted on the bottom end of the electric lifting rod (21) via a mounting seat.

3. The positioning structure for welding of logistics rack steel according to claim 1 is characterized in that: The rotating assembly (4) comprises a rotating shaft (41), a driven sprocket (42), a chain (43), an auxiliary sprocket (44), an auxiliary shaft (45), a rotating motor (46) and a driving sprocket (47). The rotating shaft (41) is rotatably connected to the upper portion of the front side of the fixed plate (3) via a bearing. The rear end of the rotating shaft (41) extending to the rear of the fixed plate (3) is fixedly mounted with the driven sprocket (42). The rotating motor (46) is fixedly mounted on the lower portion of the rear side of the fixed plate (3). The rear end of the output shaft of the rotating motor (46) is fixedly mounted with the driving sprocket (47). The left and right sides of the middle portion of the rear side of the fixed plate (3) are respectively rotatably connected with the auxiliary shafts (45) via bearings. The rear ends of the two auxiliary shafts (45) are respectively fixedly mounted with the auxiliary sprockets (44). Chains (43) are correspondingly arranged on the outer sides of the driven sprocket (42), the auxiliary sprocket (44) and the driving sprocket (47).

4. The positioning structure for welding of logistics rack steel according to claim 1 is characterized in that: The reciprocating moving assembly (6) comprises a mounting groove (61), a guide rod (62), a slider (63), a lead screw (64) and a reciprocating motor (65). The mounting groove (61) is opened at the upper part of the left side of the fixed frame (5). The guide rod (62) is fixedly mounted between the front and rear inner walls of the mounting groove (61). The lead screw (64) is rotatably connected between the front and rear inner walls of the mounting groove (61) through a bearing. The lead screw (64) and the guide rod (62) are parallel to each other. The guide rod (62) is slidably connected to the sliding hole on the side of the slider (63). The lead screw (64) is threadedly connected to the threaded hole on the side of the slider (63). The left side of the slider (63) is fixedly connected to the upper part of the right side of the moving plate (8). The reciprocating motor (65) is fixedly mounted on the outer side of the fixed frame (5). The output shaft of the reciprocating motor (65) is fixedly connected to one end of the lead screw (64).

5. The positioning structure for welding of logistics rack steel according to claim 4 is characterized in that: The invention also comprises a moving auxiliary component (7), wherein the moving auxiliary component (7) comprises an auxiliary mounting groove (71), an auxiliary guide rod (72) and an auxiliary sliding block (73), wherein the auxiliary mounting groove (71) is provided at the lower part of the left side of the fixed frame (5), the auxiliary guide rod (72) is fixedly mounted between the front and rear inner walls of the first mounting groove (61), the auxiliary guide rod (72) is slidably connected to a sliding hole on the side of the auxiliary sliding block (73), and the left side of the auxiliary sliding block (73) is fixedly connected to the lower part of the right side of the moving plate (8).

6. The positioning structure for welding of logistics rack steel according to claim 1 is characterized in that: The reciprocating lifting assembly (9) comprises a second mounting groove (91), a second guide rod (92), a second lead screw (93), a groove (94), a second reciprocating motor (95) and a second slider (96). The second mounting groove (91) is provided on the left side of the movable plate (8). The second guide rod (92) is fixedly mounted between the upper and lower inner walls of the second mounting groove (91). The second lead screw (93) is rotatably connected between the upper and lower inner walls of the second mounting groove (91) via a bearing. The second lead screw (93) and the second guide rod (92) are parallel to each other. The second guide rod (92) The second guide plate (91) is slidably connected to the sliding hole on the side of the second slider (96); the second guide screw (93) is threadedly connected to the threaded hole on the side of the second slider (96); the positioning hole (10) is opened on the left side of the second slider (96) and is located between the second guide screw (93) and the second guide rod (92); the left side of the movable plate (8) is provided with a groove (94) at a position above the second mounting groove (91); the second reciprocating motor (95) is fixedly installed in the groove (94); and the output shaft of the second reciprocating motor (95) is fixedly connected to the top end of the second guide screw (93).

7. The positioning structure for welding of logistics rack steel according to claim 1 is characterized in that: The level measurement component (11) comprises a scale line one (111) and a pointer one (112); the upper surface of the fixed frame (5) is provided with a scale line one (111) correspondingly; and the upper surface of the movable plate (8) is fixedly mounted with a pointer one (112) corresponding to the scale line one (111) and movable forward and backward.

8. The positioning structure for welding of logistics rack steel according to claim 6 is characterized in that: The vertical measurement assembly (12) comprises a second scale line (121) and a second pointer (122); the second scale line (121) is arranged on the left side of the movable plate (8) in correspondence thereto; and the second pointer (122) corresponding to the second scale line (121) and movable up and down is fixedly mounted on the left side of the second slider (96).

9. The positioning structure for welding of logistics rack steel according to claim 3 is characterized in that: The front side of the fixing plate (3) is provided with arc grooves (13) with the same center as the upper left corner and the lower right corner of the rotating shaft (41), and the rear side of the fixing frame (5) is provided with limit rods (14) fixedly mounted at positions above and below the rotating shaft (41), and the rear ends of the two limit rods (14) are slidably connected to the two arc grooves (13) respectively.

10. The positioning structure for welding of logistics rack steel according to claim 1, characterized in that: A storage battery (15) is fixedly mounted on the bottom of the operating table (1), a controller (16) is fixedly mounted on one side of the upper surface of the operating table (1), and a push rod (17) is fixedly mounted on the rear side of the operating table (1).

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