Positioning tool for welding boxcar plate

Abstract

A positioning tool for welding a boxcar plate relates to the technical field of welding positioning and is characterized in that a double-shaft motor is fixedly arranged in a placement table, output shafts on two sides of the double-shaft motor are fixedly provided with lead screws, and the lead screws are rotatably arranged in first movable grooves formed in the upper portion of the placement table through bearings; the first movable blocks are fixedly arranged on the lower portions of the two first positioning blocks correspondingly and rotationally arranged on the lead screws in a sleeving mode through threads, racks are fixedly arranged on the side walls of the movable rods, driving motors are fixedly arranged on the first positioning blocks, and output shafts of the driving motors are rotationally inserted into the first positioning blocks. A gear meshed with the rack is fixedly arranged on an output shaft of the driving motor in a sleeving mode, second positioning blocks are fixedly arranged at one ends of the four moving rods correspondingly, and pressing mechanisms are arranged on the second positioning blocks, so that centering adjustment and positioning of the carriage plate can be achieved, and the pressing position of the carriage plate can be adjusted according to the welding requirement.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding positioning technical field, concretely relates to a positioning tool for truck carriage plate welding. BACKGROUND

[0002] The truck is a kind of commercial vehicle mainly designed and equipped for carrying goods, and the carriage plate of the truck needs to be welded in the production or maintenance process, the positioning tool of the prior art is good in positioning function, but when the welding position of the carriage plate is blocked or interfered by the compression assembly of the positioning tool, the compression position of the carriage plate cannot be adjusted according to the demand, and when the carriage plate is placed on the positioning tool by manual, the centering of the carriage plate on the positioning tool cannot be guaranteed, so a positioning tool for truck carriage plate welding is urgently needed. SUMMARY

[0003] The utility model discloses a positioning tool for truck carriage plate welding with reasonable design to solve the above problems.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains placement platform and one positioning block, and one positioning block is arranged on the left and right sides of the upper part of the placement platform;

[0005] It also contains:

[0006] Double-shaft motor, the double-shaft motor is fixedly arranged in the placement platform, and a lead screw is fixedly arranged on the both sides output shaft of the double-shaft motor, and the lead screw is rotatably arranged in the one movable slot of the upper part of the placement platform, and the screw thread rotation direction of the two lead screws is reversely arranged;

[0007] One movable block, the one movable block is two, and is fixedly arranged in the lower part of two one positioning blocks, and the one movable block is movably arranged in the one movable slot, and the one movable block is rotatably sleeved on the lead screw by screw thread;

[0008] Moving rod, the moving rod is four, and is movably arranged in two one positioning blocks in two groups respectively, the side wall of the moving rod is fixedly provided with a rack, and the one positioning block is fixedly provided with a driving motor, the output shaft of the driving motor is rotatably inserted in the one positioning block, and the output shaft of the driving motor is fixedly sleeved with a gear engaged with the rack;

[0009] Two positioning blocks, the two positioning blocks are four, and are fixedly arranged at one end of four moving rods, and the two positioning blocks are provided with compression mechanisms.

[0010] Further, the compression mechanism contains:

[0011] The moving block is movably arranged on one side of the second positioning block, and the upper and lower sides of the second positioning block are movably provided with moving plates, which are fixedly connected with the side wall of the moving block.

[0012] The second movable block is movably arranged in the second movable slot on the upper and lower sides of the second positioning block, and is fixedly connected with the moving plate.

[0013] The gas cylinder is fixedly arranged in the groove of the moving block, and the upper end of the gas cylinder is fixedly provided with a pressing block.

[0014] Further, the side wall of the moving block is fixedly provided with a cross bar between the two moving plates, and the cross bar is movably inserted into the second positioning block.

[0015] Further, the lower end of the threaded locking rod is provided with an anti-skid pattern.

[0016] Further, the side wall of the second positioning block is fixedly provided with a guide reinforcing rod, and the guide reinforcing rod is movably inserted into the moving rod.

[0017] Compared with the prior art, the positioning tool for welding the truck carriage plate has the advantages that the positioning tool can not only realize the centering adjustment and positioning of the carriage plate, but also can adjust the pressing position of the carriage plate according to the welding requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model.

[0019] Figure 2 is a connection schematic view of the first positioning block, the double-shaft motor, the lead screw, the first movable block, the moving rod, the driving motor, the rack, the pressing mechanism and the guide reinforcing rod in the utility model.

[0020] Figure 3 is an exploded view of the moving rod, the rack, the gear and the guide reinforcing rod in the utility model.

[0021] Figure 4 is an exploded view of the second positioning block, the pressing mechanism and the cross bar in the utility model.

[0022] MARK NO.

[0023] 1. Placement platform; 2. Positioning block 1; 3. Dual-axis motor; 4. Lead screw; 5. Movable block 1; 6. Moving rod; 7. Rack; 8. Drive motor; 9. Gear; 10. Positioning block 2; 11. Pressing mechanism; 11. Moving block 11-1; 11. Moving plate 11-2; Movable block 2; 11-3; 11-4. Threaded locking rod; 11-5. Cylinder; 11-6. Pressing block; 12. Crossbar; 13. Anti-slip texture; 14. Guide reinforcement rod. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] like Figures 1-4 As shown, the specific embodiment adopts the following technical solution: it includes a placement platform 1 and a first positioning block 2, and the first positioning block 2 is provided on both the left and right sides of the upper part of the placement platform 1;

[0026] It also includes:

[0027] A dual-axis motor 3 is fixedly installed inside the placement platform 1. A lead screw 4 is fixedly installed on both output shafts of the dual-axis motor 3, and the lead screw 4 is rotatably installed in the first movable slot opened on the upper part of the placement platform 1 through bearings. The threads of the two lead screws 4 are set in opposite directions.

[0028] Two movable blocks 5 are fixedly installed at the lower part of the two positioning blocks 2, and the movable blocks 5 are movably installed in the movable groove. The movable blocks 5 are screwed onto the lead screw 4 by thread rotation.

[0029] There are four movable rods 6, which are movably inserted into two No. 1 positioning blocks 2 in pairs. A rack 7 is fixedly installed on the side wall of the movable rod 6. A drive motor 8 is fixedly installed on the No. 1 positioning block 2. The output shaft of the drive motor 8 is rotatably inserted into the No. 1 positioning block 2, and a gear 9 that meshes with the rack 7 is fixedly sleeved on the output shaft of the drive motor 8.

[0030] The second positioning block 10 consists of four blocks, each fixedly installed at one end of a four moving rod 6. A guide and reinforcing rod 14 is fixedly installed on the side wall of the second positioning block 10 and is movably inserted into the moving rod 6. The guide and reinforcing rod 14 not only guides the movement of the second positioning block 10 and the moving rod 6, but also improves the structural strength of the assembly formed by the two moving rods 6 and the fixed second positioning block 10. The second positioning block 10 is provided with a clamping mechanism 11.

[0031] The clamping mechanism 11 includes:

[0032] The moving block 11-1 is movably arranged on one side of the second positioning block 10. The upper and lower sides of the second positioning block 10 are movably provided with the moving plates 11-2. The moving plates 11-2 are fixedly connected with the side walls of the moving block 11-1. The side walls of the moving block 11-1 are fixedly provided with the cross bars 12 between the two moving plates 11-2. The cross bars 12 are movably inserted into the second positioning block 10. The cross bars 12 can provide auxiliary guidance for the movement of the moving block 11-1, so that the movement of the moving block 11-1 is more stable.

[0033] The second movable blocks 11-3 are movably arranged in the second movable grooves arranged on the upper and lower sides of the second positioning block 10. The second movable blocks 11-3 are fixedly connected with the moving plates 11-2. The upper moving plate 11-2 is rotatably provided with the threaded locking rods 11-4. The lower ends of the threaded locking rods 11-4 are movably arranged on the inner walls of the second movable grooves. The lower ends of the threaded locking rods 11-4 are provided with the anti-skid patterns 13. The anti-skid patterns 13 can increase the friction force generated when the lower ends of the threaded locking rods 11-4 abut against the inner walls of the second movable grooves. The friction force generated between the threaded locking rods 11-4 and the inner walls of the second movable grooves can limit the movement of the second movable blocks 11-3 in the second movable grooves.

[0034] The air cylinders 11-5 are movably arranged in the grooves arranged on the moving block 11-1. The upper ends of the air cylinders 11-5 are fixedly provided with the pressing blocks 11-6.

[0035] In use of the utility model, the carriage plate is placed on the placing table 1, then the double shaft motor 3 is started, the double shaft motor 3 drives the lead screws 4 on both sides to rotate synchronously, so that the first movable block 5 on both sides drives the first positioning block 2 to move to the direction of the carriage plate, simultaneously the driving motor 8 is started, the driving motor 8 drives the gear 9 to rotate, and the meshing of the gear 9 and the rack 7 makes the moving rods 6 on the front and back sides move reversely synchronously, the moving rods 6 drive the second positioning block 10 to move to the direction of the carriage plate, so that the first positioning block 2 and the second positioning block 10 can centrally position the carriage plate on the placing table 1, then the cylinder 11-5 drives the pressing block 11-6 to move downwards to press on the carriage plate, realizing the fixation of the carriage plate, when the pressing position of the pressing block 11-6 on the carriage plate blocks the welding point, the cylinder 11-5 drives the pressing block 11-6 to move upwards to get rid of the interference with the carriage plate, then the threaded locking rod 11-4 is screwed, so that the lower end of the threaded locking rod 11-4 gets rid of the interference with the inner bottom wall of the upper second movable slot, then the movable block 11-1 can be moved left and right to change the position of the cylinder 11-5 and the pressing block 11-6, then the threaded locking rod 11-4 is screwed reversely, so that the lower end of the threaded locking rod 11-4 interferes with the inner bottom wall of the upper second movable slot and generates great friction, realizing the limiting of the second movable block 11-3, the moving plate 11-2 and the movable block 11-1, finally the cylinder 11-5 drives the pressing block 11-6 to move downwards to fix the carriage plate again.

[0036] Compared with the prior art, the utility model has the advantages that:

[0037] 1. The cooperation of the first positioning block 2, the double shaft motor 3, the lead screw 4, the first movable block 5, the moving rod 6, the rack 7, the driving motor 8, the gear 9, the second positioning block 10 and the pressing mechanism 11 can not only realize the central adjustment and positioning of the carriage plate, but also can adjust the pressing position of the carriage plate according to the welding requirement.

[0038] 2. The horizontal rod 12 can provide auxiliary guide for the movement of the movable block 11-1, so that the movement of the movable block 11-1 is more stable.

[0039] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning tool for truck bed plate welding, comprising a placing table (1) and a first positioning block (2), wherein the upper part of the placing table (1) is provided with the first positioning block (2) on both sides; it further comprises: a double-shaft motor (3) fixedly arranged in the placing table (1), wherein the two output shafts of the double-shaft motor (3) are fixedly provided with lead screws (4), the lead screws (4) are rotatably arranged in a first movable slot opened in the upper part of the placing table (1), and the screw threads of the two lead screws (4) are arranged in opposite directions; a first movable block (5) fixedly arranged at the lower part of the two first positioning blocks (2) and movably arranged in the first movable slot, wherein the first movable block (5) is rotatably sleeved on the lead screw (4) through threads; four moving rods (6) movably arranged in the two first positioning blocks (2) in pairs, wherein the sidewall of the moving rod (6) is fixedly provided with a rack (7), the first positioning block (2) is fixedly provided with a driving motor (8), the output shaft of the driving motor (8) is rotatably inserted into the first positioning block (2), and the output shaft of the driving motor (8) is fixedly sleeved with a gear (9) engaged with the rack (7); four second positioning blocks (10) fixedly arranged at one end of the four moving rods (6), wherein the second positioning block (10) is provided with a pressing mechanism (11). characterized in that The pressing mechanism (11) comprises: a moving block (11-1) movably arranged on one side of the second positioning block (10), wherein the upper and lower sides of the second positioning block (10) are movably provided with a moving plate (11-2), and the sidewall of the moving block (11-1) is fixedly connected with the moving plate (11-2); two second movable blocks (11-3) movably arranged in second movable slots opened on the upper and lower sides of the second positioning block (10), wherein the second movable blocks (11-3) are fixedly connected with the moving plates (11-2), the upper moving plate (11-2) is rotatably penetrated with a threaded locking rod (11-4) through threads, and the lower end of the threaded locking rod (11-4) is movably arranged on the inner wall of the second movable slot after penetrating through the second movable block (11-3); a gas cylinder (11-5) fixedly arranged in a groove opened on the moving block (11-1), wherein the upper end of the gas cylinder (11-5) is fixedly provided with a pressing block (11-6). The sidewall of the moving block (11-1) is fixedly provided with a cross rod (12) between the two moving plates (11-2). The lower end of the threaded locking rod (11-4) is provided with an anti-skid pattern (13). The sidewall of the second positioning block (10) is fixedly provided with a guide reinforcing rod (14), and the guide reinforcing rod (14) is movably inserted into the moving rod (6). ​ 2. The positioning tool for welding a truck bed plate according to claim 1, characterized in that: ​ ​ ​ ​ 3. A positioning tool for welding a truck bed plate according to claim 2, characterized in that: ​ 4. The positioning fixture for welding a truck bed plate according to claim 2, wherein: ​ 5. The positioning fixture for welding truck bed floor panels of claim 1 wherein: ​

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