Welding and positioning tool for supporting legs of material rack

Abstract

The utility model discloses a rack supporting leg welding positioning tool, and belongs to the technical field of positioning tools. The device comprises a supporting base, and the upper side of the supporting base is movably connected with a lifting screw. By arranging the lifting screw, the lifting plate can be matched with the supporting base to clamp the material frame lying flat, it is guaranteed that the material frame does not shake when welded, the welding stability of the device is improved, by arranging the adjusting screw, the extending frame is driven by the adjusting screw to move, and the welding quality of the material frame is improved. The extension frame can be adjusted according to the length of the supporting legs so that the supporting legs can be supported and prevented from inclining, the movable clamping blocks and the fixed clamping grooves can be adjusted according to the welding positions of the supporting legs by arranging the movable screw rods, the positive and negative tooth screw rods and the adjusting screw rods, and the phenomenon that only the supporting legs with the fixed distance can be positioned is avoided; the problems that an existing material frame supporting leg welding and positioning tool can only position supporting legs at fixed intervals, and the supporting legs incline during welding are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning tooling, and specifically relates to a welding positioning tooling for the support legs of a material rack. Background Art

[0002] Generally, support legs are fixedly connected to the lower end of a material rack, and the support legs are generally welded to the material rack. When welding existing support legs, pre-positioning leg sleeves or positioning devices are usually provided on the material rack to position and weld the support legs. However, the operation is cumbersome, and it can only position support legs with a fixed spacing length, which is inconvenient to use. The support legs will tilt due to the stress generated during welding, resulting in poor welding effects.

[0003] Therefore, it is necessary to design and transform the welding positioning tooling for the support legs of the material rack to solve the problems that it can only position support legs with a fixed spacing and the support legs tilt during welding. Summary of the Utility Model

[0004] To solve the problems raised in the above background art, the purpose of the present utility model is to provide a welding positioning tooling for the support legs of a material rack.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A welding positioning tooling for the support legs of a material rack, including a support base. An elevating screw rod is movably connected to the upper side of the support base. An elevating plate is threadedly connected to the outside of the elevating screw rod. The upper side of the elevating screw rod is movably connected to a fixing plate. A first bevel gear is movably connected to the upper side of the fixing plate. A second bevel gear is meshed with the upper side of the first bevel gear. A synchronizing rod is fixedly connected to the inside of the second bevel gear. The synchronizing rod is movably connected to the fixing plate. A moving groove is formed inside the support base. A moving screw rod is movably connected to the inside of the moving groove. A moving plate is threadedly connected to the outside of the moving screw rod. The moving plate is movably connected to the moving groove. A support plate is fixedly connected to the upper side of the moving plate. An adjusting groove is formed inside the support plate. An adjusting screw rod is movably connected to the inside of the adjusting groove. An extending frame is movably connected to the left side of the adjusting screw rod. Moving grooves are formed on the surfaces of both the extending frame and the support plate. A first movable plate is movably connected to the inside of the right moving groove. A left-right threaded screw rod is threadedly connected to the inside of the first movable plate. The left-right threaded screw rod is movably connected to the moving groove. A first connecting rod is movably connected to the inside of the first movable plate. A second movable plate is fixedly connected to the left side of the first connecting rod. A movable clamping block is movably connected between the second movable plate and the first movable plate. An adjusting screw rod is movably connected to the upper side of the right movable clamping block. The adjusting screw rod is threadedly connected to the support plate. A second connecting rod is movably connected to the inside of the right movable clamping block. The left movable clamping block is fixedly connected to the second connecting rod. Fixed clamping grooves are formed on the surfaces of both the first movable plate and the second movable plate.

[0006] The beneficial effects of the present utility model are as follows:

[0007] 1. By setting the lifting screw rod in the present utility model, the lifting plate can cooperate with the support base to clamp the lying flat material rack, so as to ensure that there is no shaking during welding, improving the welding stability of the device. By setting the adjusting screw rod, the extension frame is driven to move by the adjusting screw rod, so that the extension frame can be adjusted according to the length of the support leg, facilitating the support of the support leg and preventing it from tilting. By setting the moving screw rod, the positive and negative thread screw rod and the adjustment screw rod, the movable clamping block and the fixed clamping groove can be adjusted according to the welding position of the support leg, avoiding the phenomenon of only being able to position the support legs with a fixed spacing, and solving the problems that the existing welding positioning tooling for the support legs of the material rack can only position the support legs with a fixed spacing and the support legs tilt during welding.

[0008] 2. Through the setting of the limiting rod and the limiting groove in the present utility model, the movement of the second movable plate is more stable and its trajectory can be restricted, improving the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a front view schematic diagram of the structure of the present utility model.

[0010] Figure 2 It is a side view schematic diagram of the structure of the present utility model.

[0011] Figure 3 It is a bottom view schematic diagram of the structure of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0012] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0013] Such as Figures 1 to 3As shown in the figure, the welding positioning tooling for the support legs of the rack in this embodiment includes a support base 1. An elevating screw rod 2 is movably connected to the upper side of the support base 1. An elevating plate 3 is threadedly connected to the outer side of the elevating screw rod 2. The upper side of the elevating screw rod 2 is movably connected to a fixing plate 4. A first bevel gear 5 is movably connected to the upper side of the fixing plate 4. A second bevel gear 6 is meshed with the upper side of the first bevel gear 5. A synchronizing rod 7 is fixedly connected to the inner side of the second bevel gear 6. The synchronizing rod 7 is movably connected to the fixing plate 4. A moving groove 8 is formed in the inner side of the support base 1. A moving screw rod 9 is movably connected to the inner side of the moving groove 8. A moving plate 10 is threadedly connected to the outer side of the moving screw rod 9. The moving plate 10 is movably connected to the moving groove 8. A support plate 11 is fixedly connected to the upper side of the moving plate 10. An adjusting groove 12 is formed in the inner side of the support plate 11. An adjusting screw rod 13 is movably connected to the inner side of the adjusting groove 12. An extension frame 14 is movably connected to the left side of the adjusting screw rod 13. Moving grooves 15 are formed on the surfaces of both the extension frame 14 and the support plate 11. A first movable plate 16 is movably connected to the inner side of the right moving groove 15. A positive and negative thread screw rod 17 is threadedly connected to the inner side of the first movable plate 16. The positive and negative thread screw rod 17 is movably connected to the moving groove 15. A first connecting rod 18 is movably connected to the inner side of the first movable plate 16. A second movable plate 19 is fixedly connected to the left side of the first connecting rod 18. Movable clamping blocks 20 are movably connected between the second movable plate 19 and the inner side of the first movable plate 16. An adjusting screw rod 21 is movably connected to the upper side of the right movable clamping block 20. The adjusting screw rod 21 is threadedly connected to the support plate 11. A second connecting rod 22 is movably connected to the inner side of the right movable clamping block 20. The left movable clamping block 20 is fixedly connected to the second connecting rod 22. Fixed clamping grooves 23 are formed on the surfaces of both the first movable plate 16 and the second movable plate 19. Rubber soft pads are provided on the inner sides of both the movable clamping blocks 20 and the fixed clamping grooves 23, so that the support legs can be tightly clamped after being placed inside them.

[0014] Reference Figure 1 , a limiting rod 24 is fixedly connected to the inner side of the extension frame 14. A limiting groove 25 is formed in the inner side of the second movable plate 19. The limiting groove 25 is movably connected to the limiting rod 24.

[0015] In this embodiment, through the arrangement of the limiting rod 24 and the limiting groove 25, the movement of the second movable plate 19 is made more stable and its trajectory can be restricted, improving the stability of the device during use.

[0016] Reference Figure 1 , an installation groove 26 is formed in the inner side of the support base 1. A roller 27 is movably connected to the inner side of the installation groove 26.

[0017] In this embodiment, through the arrangement of the installation groove 26 and the roller 27, the rack is made convenient to slide on the upper side of the support base 1, improving the convenience of the device during use.

[0018] Reference Figure 1, a sloping plate 28 is fixedly connected to the left side of the support base 1, and a pulley 29 is movably connected to the inner side of the sloping plate 28.

[0019] In this embodiment, through the arrangement of the sloping plate 28 and the pulley 29, the rack is facilitated to be pushed onto the upper side of the support base 1 through the sloping plate 28, improving the convenience of using the device.

[0020] Reference Figure 3 , a mounting block 30 is fixedly connected to the inner side of the support base 1, and a connecting groove 31 is formed on the surface of the mounting block 30.

[0021] In this embodiment, through the arrangement of the mounting block 30 and the connecting groove 31, the device can be fixed in a suitable position, thereby avoiding the phenomenon of movement during welding and improving the stability of using the device.

[0022] Reference Figure 1 , a first limiting plate 32 is fixedly connected to the right side of the first connecting rod 18, and a second limiting plate 33 is fixedly connected to the right side of the second connecting rod 22.

[0023] In this embodiment, through the arrangement of the first limiting plate 32 and the second limiting plate 33, the movement ranges of the first connecting rod 18 and the second connecting rod 22 are restricted, avoiding the phenomenon of falling off and improving the stability of the device.

[0024] In this utility model, the rack is placed flat between the lifting plate 3 and the support base 1, then the synchronous rod 7 is rotated. The second bevel gear 6 is driven to rotate by the synchronous rod 7, the first bevel gear 5 is driven to rotate by the second bevel gear 6, the lifting screw rod 2 is driven to rotate by the first bevel gear 5, the lifting plate 3 is driven to press against the rack by the lifting screw rod 2. Then the support leg is placed between the movable clamping block 20 and the fixed clamping groove 23, and then the positive and negative thread screw rod 17 is rotated. The first movable plate 16 is driven to move by the positive and negative thread screw rod 17, the first connecting rod 18 is driven to move by the first movable plate 16, the second movable plate 19 is driven to move by the first connecting rod 18, the support leg is driven to move to a suitable distance by the first movable plate 16 and the second movable plate 19. Then the adjusting screw rod 21 is rotated, the right movable clamping block 20 is driven to move by the adjusting screw rod 21, the second connecting rod 22 is driven to move by the right movable clamping block 20, the left movable clamping block 20 is driven to move by the second connecting rod 22, the upper support leg is driven to move to a suitable height by the movable clamping block 20. The adjusting screw rod 13 is rotated, the extension frame 14 is driven to move by the adjusting screw rod 13, the left movable clamping block 20 and the fixed clamping groove 23 are driven to move the left end of the support leg by the extension frame 14. Then the moving screw rod 9 is rotated, the moving plate 10 is driven to move by the moving screw rod 9, the support plate 11 is driven to move by the moving plate 10, the extension frame 14 is driven to move by the support plate 11, the support leg is driven to move to press against the rack by the extension frame 14 and the support plate 11, and then welding can be carried out.

Claims

1. A material rack support leg welding positioning tool, comprising a support base (1), characterized in that: The upper side of the support base (1) is movably connected to a lifting screw (2), the outer side of the lifting screw (2) is threadedly connected to a lifting plate (3), the upper side of the lifting screw (2) is movably connected to a fixing plate (4), the upper side of the fixing plate (4) is movably connected to a first bevel gear (5), the upper side of the first bevel gear (5) is meshed with a second bevel gear (6), the inner side of the second bevel gear (6) is fixedly connected to a synchronization rod (7), the synchronization rod (7) and the fixing plate (4) are movably connected, and the inner side of the support base (1) is opened. A movable groove (8) is provided, a movable screw (9) is movably connected to the inner side of the movable groove (8), a movable plate (10) is threadedly connected to the outer side of the movable screw (9), the movable plate (10) and the movable groove (8) are movably connected, a support plate (11) is fixedly connected to the upper side of the movable plate (10), an adjustment groove (12) is provided on the inner side of the support plate (11), an adjustment screw (13) is movably connected to the inner side of the adjustment groove (12), and an extension frame (14) is movably connected to the left side of the adjustment screw (13). The surfaces of the extension frame (14) and the support plate (11) are both provided with movable grooves (15); a first movable plate (16) is movably connected to the inner side of the movable groove (15) on the right side; a positive and negative threaded screw (17) is threadedly connected to the inner side of the first movable plate (16); the positive and negative threaded screw (17) and the movable groove (15) are movably connected; a first connecting rod (18) is movably connected to the inner side of the first movable plate (16); a second movable plate (19) is fixedly connected to the left side of the first connecting rod (18); and the second movable plate (19) is movably connected to the inner side of the first movable plate (16). A movable clamping block (20) is movably connected to the inner side of the plate (19) and the first movable plate (16); an adjusting screw (21) is movably connected to the upper side of the movable clamping block (20) on the right side; the adjusting screw (21) and the support plate (11) are threadedly connected; a second connecting rod (22) is movably connected to the inner side of the movable clamping block (20) on the right side; the movable clamping block (20) and the second connecting rod (22) on the left side are fixedly connected; and fixed clamping grooves (23) are provided on the surfaces of the first movable plate (16) and the second movable plate (19).

2. A material rack support leg welding positioning tool according to claim 1, characterized in that: A limiting rod (24) is fixedly connected to the inner side of the extension frame (14), a limiting groove (25) is provided on the inner side of the second movable plate (19), and the limiting groove (25) and the limiting rod (24) are movably connected.

3. A material rack support leg welding positioning tool according to claim 2, characterized in that: A mounting groove (26) is provided on the inner side of the support base (1), and a roller (27) is movably connected to the inner side of the mounting groove (26).

4. A material rack support leg welding positioning tool according to claim 3, characterized in that: The left side of the support base (1) is fixedly connected to an inclined plate (28), and the inner side of the inclined plate (28) is movably connected to a pulley (29).

5. A material rack support leg welding positioning tool according to claim 4, characterized in that: A mounting block (30) is fixedly connected to the inner side of the support base (1), and a connection groove (31) is provided on the surface of the mounting block (30).

6. A material rack support leg welding positioning tool according to claim 1, 2 or 5, characterized in that: A first limiting plate (32) is fixedly connected to the right side of the first connecting rod (18), and a second limiting plate (33) is fixedly connected to the right side of the second connecting rod (22).

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