Positioner for arc welding of automobile parts

Abstract

The utility model discloses a positioner for arc welding of automobile parts, which belongs to the technical field of automobile part processing, and comprises a rotating mechanism and a clamping mechanism, the rotating mechanism comprises a shell, a rotating body and a rotating motor; a plurality of annular grooves are formed in the inner side of the shell, and one end of the shell is connected with a mounting plate through a connecting block; a plurality of annular protrusions matched with the annular grooves and rotationally connected with the annular grooves are arranged on the periphery of the rotating body, one side of the rotating body is connected with a first connecting plate, the first connecting plate is connected with the output end of the rotating motor through a connecting shaft, and the rotating motor is mounted on the mounting plate. The clamping mechanism is connected with the rotating body through a mounting base and used for clamping and fixing automobile parts. By means of the design, the shaft type automobile parts can be fixed and then rotated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts processing, especially relates to a positioner for automobile parts arc welding. BACKGROUND

[0002] In the automobile manufacturing industry, arc welding technology is the key process to connect and assemble various parts; however, due to the complexity of the geometry and structure of automobile parts, traditional welding equipment has limitations in meeting the diversified welding needs;

[0003] During the welding process, in order to ensure the accessibility of the welding site, the workpiece needs to be accurately transformed, such as welding shaft parts, which must be fixed and then rotated to ensure that the outer periphery of the shaft can be accurately welded at each position; in addition to accessibility, the suitability of the welding posture is also critical; an ideal welding posture helps to improve the welding quality, while traditional equipment often fails to maintain this posture during welding; due to the above limitations, the welding quality and efficiency are often difficult to guarantee;

[0004] In view of the defects of the prior art, the utility model provides a positioner for automobile parts arc welding, aiming at solving the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects in the prior art, providing a positioner for automobile parts arc welding, which can fix and then rotate the shaft automobile parts.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A positioner for automobile parts arc welding, comprising:

[0008] A rotating mechanism, the rotating mechanism comprises a shell, a rotating body and a rotating motor;

[0009] A plurality of annular grooves are formed in the inner side of the shell, and one end of the shell is connected with a mounting plate through a connecting block; the rotating body is provided with a plurality of annular protrusions on the outer periphery, which are adapted to the annular grooves and are connected in rotation, and one side of the rotating body is connected with a connecting plate one, the connecting plate one is connected with the output end of the rotating motor through a connecting shaft, and the rotating motor is installed on the mounting plate;

[0010] And a clamping mechanism, the clamping mechanism is connected with the rotating body through a mounting seat, and is used for clamping and fixing automobile parts.

[0011] Preferably, the clamping mechanism comprises a pneumatic cylinder connected with the mounting base, and an adjusting plate I connected with an output end of the pneumatic cylinder, a pair of sliding slot holes are formed in both ends of the adjusting plate I and arranged in an "eight" shape, the adjusting plate I is rotationally connected with an adjusting plate II through a rotating shaft, the rotating shaft is slidingly connected with the sliding slot holes, the adjusting plate II is rotationally connected with a fixing plate through a rotating shaft, the fixing plate is also connected with the mounting base, and the adjusting plate II is also connected with a pair of clamping plates for clamping and fixing the automobile parts through a rotating shaft.

[0012] Preferably, the lifting mechanism comprises a worm wheel, a worm, an inclined rack and a mounting box, the worm wheel is engaged with the worm in a first direction, the first direction is parallel to an axial direction of the worm, the worm wheel is engaged with the inclined rack in a second direction perpendicular to the first direction, one end of the worm passes through the mounting box and is connected with a handle, a top of the inclined rack passes through the mounting box and is connected with a connecting plate II, the connecting plate II is connected with the rotating mechanism, a connecting column is connected with a bottom of the mounting box, and a base is connected with a bottom of the connecting column.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a rotating mechanism, through the cooperation of the shell, the rotating body and the rotating motor, the rotation of the shaft type automobile part can be realized, so that the accurate welding of each position of the outer periphery of the shaft can be accurately controlled, and then the shaft is clamped and fixed through the clamping mechanism, so that the automobile part can be accurately clamped, and the stability of the part during welding and the welding quality are guaranteed.

[0015] 2. The utility model discloses a lifting mechanism, through the cooperation of the worm wheel, the worm and the inclined rack, the height of the welding workpiece can be adjusted, so that the welding demand of different heights can be adapted. DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the schematic diagram of the internal structure of the utility model.

[0018] Figure 3 It is the partial enlarged view of A of the utility model.

[0019] Figure 4 It is the front view of the internal structure of the utility model.

[0020] Figure 5 It is the structure schematic diagram of the adjusting plate I of the utility model.

[0021] Figure 6 It is the structure schematic diagram of the shell of the utility model.

[0022] Figure 7 This is a schematic diagram of the rotating body of this utility model.

[0023] in:

[0024] 1. Rotating mechanism; 11. Housing; 111. Annular groove; 12. Rotating body; 121. Annular protrusion; 122. Mounting base; 13. Connecting plate one; 14. Connecting shaft; 15. Connecting block; 16. Mounting plate; 17. Rotary motor;

[0025] 2. Clamping mechanism; 21. Cylinder; 22. Adjusting plate one; 221. Slide groove hole; 23. Adjusting plate two; 24. Fixing plate; 25. Rotating shaft; 26. Clamping plate;

[0026] 3. Lifting mechanism; 31. Worm gear; 32. Worm; 33. Helical rack; 34. Mounting box; 35. Connecting column; 36. Handle; 37. Connecting plate two; 38. Base. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0028] In the description of this utility model, it should be understood that the terms "middle," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] refer to Figures 1-7 This embodiment provides a positioner for arc welding of automotive parts, including: a rotating mechanism 1 and a clamping mechanism 2;

[0031] Specifically, the rotating mechanism 1 comprises a shell 11, a rotating body 12 and a rotating motor 17; a plurality of annular grooves 111 are formed on the inner side of the shell 11, and one end of the shell 11 is connected with a mounting plate 16 through a connecting block 15; a plurality of annular protrusions 121 are arranged on the outer periphery of the rotating body 12 and are adapted to and rotationally connected with the annular grooves 111, and one side of the rotating body 12 is connected with a connecting plate 13, the connecting plate 13 is connected with the output end of the rotating motor 17 through a connecting shaft 14, and the rotating motor 17 is mounted on the mounting plate 16.

[0032] Specifically, the clamping mechanism 2 is connected with the rotating body 12 through a mounting seat 122 and is used for clamping and fixing automobile parts.

[0033] Further, the clamping mechanism 2 comprises a gas cylinder 21, the gas cylinder 21 is connected with the mounting seat 122, and an adjusting plate 22 is connected with the output end of the gas cylinder 21, a pair of sliding groove holes 221 are formed at both ends of the adjusting plate 22, the pair of sliding groove holes 221 are arranged in the shape of an "eight", the adjusting plate 22 is rotationally connected with an adjusting plate 23 through a rotating shaft 25, the rotating shaft 25 is slidingly connected with the sliding groove holes 221, the adjusting plate 23 is rotationally connected with a fixing plate 24 through the rotating shaft 25, the bottom of the fixing plate 24 is also connected with the mounting seat 122, and the adjusting plate 23 is also connected with a pair of clamping plates 26 for clamping and fixing automobile parts through the rotating shaft 25.

[0034] In order to adapt to the welding requirements of different heights, in the embodiment, a lifting mechanism 3 is further included, which comprises a worm gear 31, a worm 32, a helical rack 33 and a mounting box 34; the worm gear 31 is engaged with the worm 32 in a first direction, the first direction is parallel to the axial direction of the worm 32, the worm gear 31 is engaged with the helical rack 33 in a second direction perpendicular to the first direction, one end of the worm 32 penetrates through the mounting box 34 and is connected with a handle 36, the top of the helical rack 33 penetrates through the mounting box 34 and is connected with a connecting plate 37, the connecting plate 37 is connected with the rotating mechanism 1, the bottom of the mounting box 34 is connected with a connecting column 35, and the bottom of the connecting column 35 is connected with a base 38.

[0035] Working principle: before the shaft type automobile parts are welded, first one end of the shaft type automobile parts is placed in a pair of clamping plates 26, the cylinder 21 is started, when the output end of the cylinder 21 moves upwards, the adjusting plate one 22 connected with the output end of the cylinder 21 moves upwards, the bottom end of the pair of adjusting plate two 23 moves to the upper end of the "eight" shaped sliding slot hole 221, the angle between the bottom end of the pair of adjusting plate two 23 and the adjusting plate one 22 becomes larger, so the angle between the top end of the pair of adjusting plate two 23 and the pair of clamping plates 26 becomes smaller, therefore the pair of clamping plates 26 approaches each other, so as to clamp and fix the shaft type automobile parts, after clamping and fixing, the handle 36 of the lifting mechanism 3 is adjusted, the handle 36 is connected with the worm 32, the worm 32 is engaged with the worm wheel 31, the worm wheel 31 drives the helical rack 33 to move up and down, so as to realize lifting, after the height is adjusted, the rotary motor 17 is started, the output end of the rotary motor 17 is connected with the rotating body 12 through the connecting shaft 14, the rotating body 12 can be rotatably connected in the annular groove 111 of the shell 11 through the annular protrusion 121, the shell 11 is connected with the connecting plate two 37, the connecting plate two 37 is connected with the top of the helical rack 33, the rotary motor 17 is started to drive the rotating body 12 to rotate, the welding is carried out while rotating, so that the operator only needs to keep a posture and be in the same position, the welding of the shaft type automobile parts can be realized.

[0036] In conclusion, the positioner for arc welding of automobile parts improves the accessibility of welding and the suitability of welding posture, enhances the flexibility, accuracy and stability of the welding process, and improves the welding quality and efficiency.

[0037] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and deformations can be made, these improvements and deformations should be regarded as the protection scope of the utility model.

Claims

1. A positioner for arc welding of automotive parts, characterized in that, The utility model relates to a kind of automobile parts rotating and clamping device, including: Rotary mechanism (1), the rotary mechanism (1) includes shell (11), rotator (12) and rotary motor (17); A plurality of annular grooves (111) are set in the inside of the shell (11), and the one end of shell (11) is connected with mounting plate (16) by connecting block (15);The outer periphery of the rotator (12) is provided with a plurality of annular protrusions (121) matched with the annular grooves (111) and rotatably connected, and one side of the rotator (12) is connected with connecting plate one (13), and the connecting plate one (13) is connected with the output end of the rotary motor (17) by connecting shaft (14), and the rotary motor (17) is installed on the mounting plate (16); And clamping mechanism (2), the clamping mechanism (2) is connected with the rotator (12) by mounting seat (122), for clamping and fixing automobile parts.

2. The positioner for arc welding of automotive parts according to claim 1, characterized in that, The clamping mechanism (2) includes cylinder (21), the cylinder (21) is connected with the mounting seat (122), and its output end is connected with adjusting plate one (22), a pair of slide slot holes (221) are set in both ends of adjusting plate one (22), and a pair of slide slot holes (221) are arranged in "eight” shape, and adjusting plate one (22) is rotatably connected with adjusting plate two (23) by rotating shaft (25), and the rotating shaft (25) is slidably connected with the slide slot hole (221) here, the adjusting plate two (23) is rotatably connected with fixed plate (24) by rotating shaft (25), and the bottom of the fixed plate (24) is also connected with the mounting seat (122), and the adjusting plate two (23) is also connected with a pair of clamping plates (26) for clamping and fixing automobile parts by rotating shaft (25).

3. The positioner for arc welding of automotive parts according to claim 2, characterized in that, It also includes lifting mechanism (3), which includes worm wheel (31), worm (32), helical rack (33) and installation box (34);The worm wheel (31) is engaged with the worm (32) in the first direction, and the first direction is parallel to the axial direction of the worm (32), and the worm wheel (31) is engaged with the helical rack (33) in the second direction perpendicular to the first direction, one end of the worm (32) passes through the installation box (34) and is connected with handle (36), the top of the helical rack (33) passes through the installation box (34) and is connected with connecting plate two (37), the connecting plate two (37) is connected with the rotary mechanism (1), the bottom of the installation box (34) is connected with connecting column (35), and the bottom of the connecting column (35) is connected with base (38).

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