Welding track for frame welding robot

Abstract

The welding track for the frame welding robot comprises a pair of linear first bases, the same ends of the pair of first bases are connected with a semicircular second base, a guide rail is arranged on the center line of the top of each first base and the center line of the top of each second base, and a movable table is arranged on the top of each guide rail in a sliding mode. A plurality of pairs of rotating guide wheels are correspondingly arranged on the two sides of the bottom of the moving table, guide grooves corresponding to the guide wheels are formed in the two sides of the guide rail, the guide wheels roll along the guide grooves, driving walking mechanisms are arranged between the moving table and the first base and between the moving table and the second base, and a rotating table is arranged on the top of the moving table. The two sides of the bottom of the moving table are each provided with a pair of cleaning mechanisms used for cleaning the corresponding guide groove, and the guide wheels on the same side of the bottom of the moving table are located between the cleaning mechanisms. Dust and impurities on the surface of the guide groove can be cleaned in real time in the moving process, abrasion of the guide rail is reduced, the operation precision of the moving table is ensured, and therefore the welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle welding processing technical field especially relates to a welding track for frame welding robot. BACKGROUND

[0002] In welding robot technology, the design of welding track is crucial for improving welding quality and efficiency. Traditional welding track usually adopts linear structure, and the movement of the moving platform is realized by the ball screw method. However, this design has some limitations, such as complex ball screw structure and high cost, and it is difficult to adapt to complex track shape. In addition, the traditional track system is easy to accumulate dust and impurities during long-term use, which leads to track wear and tear and poor operation of the moving platform, thereby affecting the welding precision. Therefore, it is of great practical significance to develop a welding track system that can adapt to complex track shape and has self-cleaning function. SUMMARY

[0003] The utility model aims at solving the prior art's insufficient, and provides a welding track for frame welding robot.

[0004] The utility model discloses a welding track for frame welding robot, which realizes the above-mentioned purpose by adopting the following technical scheme: a pair of first bases in a straight line, a second base in a semicircle connected to the same end of the pair of first bases, a guide rail provided at the top center line of the first base and the second base, a moving platform slidingly provided at the top of the guide rail, a plurality of pairs of rotating guide wheels provided on both sides of the bottom of the moving platform in correspondence, a guide groove corresponding to the guide wheels provided on both sides of the guide rail, the guide wheels rolling along the guide groove, a driving walking mechanism provided between the moving platform and the first base and the second base, a rotating table provided at the top of the moving platform, a welding robot installed on the rotating table, a pair of cleaning mechanisms provided on both sides of the bottom of the moving platform for cleaning the guide groove, and the guide wheels on the same side of the bottom of the moving platform located between the pair of cleaning mechanisms.

[0005] In particular, the moving platform is provided with a sliding block in the shape of an inverted T, and the top of the guide rail is provided with a sliding groove corresponding to the sliding block, and the sliding block is slidingly arranged in the sliding groove.

[0006] In particular, the contact surface of the sliding block and the sliding groove is provided with a polytetrafluoroethylene plate.

[0007] In particular, the driving walking mechanism includes a rack embedded on the outer side of the first base and the second base, a motor embedded on one side of the bottom of the moving platform, a gear mounted on the output shaft of the motor through a shaft coupling, and the gear is engaged with the rack.

[0008] In particular, the outer side of the first base and the second base is provided with a rack protection cover, and the top of the rack protection cover is provided with a sliding hole, and the center shaft of the gear passes through the sliding hole.

[0009] Particularly, the cleaning mechanism comprises a vertical plate fixed at the bottom of the moving table, a universal wheel in contact with the top of the first base and the second base is arranged at the bottom of the vertical plate, a plug rod is arranged through the vertical plate, a cleaning brush is fixed at one end of the plug rod away from the guide rail, the cleaning brush is in contact with the guide groove, a plurality of springs are connected between the cleaning brush and the vertical plate, and a limiting plate is arranged at the end of the plug rod away from the guide rail.

[0010] The utility model discloses the beneficial effect is: the utility model discloses a cleaning mechanism is set up in the bottom of mobile station, can clean the dust and impurity on the surface of guide groove in real time during moving, reduces the wear and tear of guide rail, prolongs the life of guide rail, guarantees the operation accuracy of mobile station simultaneously, adopts the transmission mode of rack and pinion, can adapt to the combination of linear and arc track, solves the problem that traditional ball screw is difficult to adapt to complex track shape, and rack and pinion transmission system structure is simple, and transmission precision is high, can realize high -precision welding path control, compared with ball screw transmission, rack and pinion transmission system is lower in cost, and maintenance is convenient, and the setting of rack protective cover can also reduce the possibility of impurity pollution, the guide rail of self -cleaning and stable mobile station operation can significantly improve the positioning accuracy of welding robot, thereby improving the welding quality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the guide wheel position structure schematic diagram of the utility model;

[0012] Figure 2 It is the cleaning mechanism structure schematic diagram of the utility model;

[0013] Figure 3 It is Figure 2 It is the schematic diagram of amplification in A place;

[0014] Figure 4 It is the rack and pinion position schematic diagram of the utility model;

[0015] Figure 5 It is the rack protective cover position schematic diagram of the utility model;

[0016] In the drawing: 1-first base; 2-second base; 3-guide rail; 4-moving table; 5-sliding block; 6-sliding slot; 7-guide wheel; 8-guide groove; 9-rack; 10-motor; 11-gear; 12-rotary table; 13-vertical plate; 14-universal wheel; 15-plug rod; 16-cleaning brush; 17-spring; 18-limiting plate; 19-rack protective cover; 20-sliding hole;

[0017] The embodiment of the utility model will be described in detail below with reference to the drawings. DETAILED DESCRIPTION

[0018] The utility model will be further described below in connection with the drawings and examples:

[0019] As shown in Figures 1-5 A welding track for a frame welding robot, comprising a pair of first bases 1 in a straight line, a pair of first bases 1 is connected with a second base 2 in a semicircle at the same end, the top center line of the first base 1 and the second base 2 is provided with a guide rail 3, the top of the guide rail 3 is slidably provided with a moving table 4, the top of the moving table 4 is provided with a rotating table 12, the welding robot is installed on the rotating table 12, the bottom of the moving table 4 is provided with a T-shaped slider 5, the top of the guide rail 3 is provided with a sliding groove 6 corresponding to the slider 5, the slider 5 is slidably arranged in the sliding groove 6, and the contact surface of the slider 5 and the sliding groove 6 is provided with a polytetrafluoroethylene plate, which can further reduce the friction resistance. The combination of straight line track and arc line track makes the welding robot move and weld around the front and back of the frame, which is convenient to use.

[0020] A plurality of pairs of rotating guide wheels 7 are correspondingly arranged on the bottom of the moving table 4, guide grooves 8 are arranged on the two sides of the guide rail 3 and correspond to the guide wheels 7, the guide wheels 7 roll along the guide grooves 8, a driving walking mechanism is arranged between the moving table 4 and the first base 1 and the second base 2, the driving walking mechanism comprises a rack 9 embedded in the outer side of the first base 1 and the second base 2, a motor 10 is embedded in one side of the bottom of the moving table 4, a gear 11 is installed on the output shaft of the motor 10 through a shaft coupling, the gear 11 is engaged with the rack 9, a rack protection cover 19 is arranged on the outer side of the first base 1 and the second base 2, a sliding hole 20 is arranged on the top of the rack protection cover 19, and the central shaft of the gear 11 passes through the sliding hole 20. The transmission mode of the rack 9 and the gear 11 can adapt to the combination of straight line and arc line track, solve the problem that the traditional ball screw is difficult to adapt to complex track shape, and the transmission system of the rack 9 and the gear 11 has simple structure and high transmission precision, can realize high-precision welding path control, compared with the ball screw transmission, the transmission system of the rack 9 and the gear 11 has lower cost and is convenient to maintain, and the arrangement of the rack protection cover 19 can also reduce the possibility of impurity pollution.

[0021] A pair of cleaning mechanisms for cleaning the guide grooves 8 are arranged on the two sides of the bottom of the moving table 4, and the guide wheels 7 on the same side of the bottom of the moving table 4 are located between the pair of cleaning mechanisms, the cleaning mechanism comprises a vertical plate 13 fixedly connected to the bottom of the moving table 4, universal wheels 14 are installed on the bottom of the vertical plate 13 and contact the top of the first base 1 and the second base 2, an insertion rod 15 is transversely and penetratingly arranged on the vertical plate 13, a cleaning brush 16 is fixedly connected to one end of the insertion rod 15 facing the guide rail 3, the cleaning brush 16 contacts the guide groove 8, a plurality of springs 17 are connected between the cleaning brush 16 and the vertical plate 13, and a limiting plate 18 is arranged on the end of the insertion rod 15 away from the guide rail 3. By arranging the cleaning mechanism on the bottom of the moving table 4, the dust and impurities on the surface of the guide groove 8 can be cleaned in real time during the movement, the wear of the guide rail 3 is reduced, the service life of the guide rail 3 is prolonged, and the running accuracy of the moving table 4 is ensured.

[0022] The utility model discloses a work, the frame group of waiting to weld is positioned and moves to the track, motor 10 works, and mobile station 4 is moved on guide rail 3, at this moment, guide wheel 7 moves along guide groove 8, and when moving, clean brush 16 sweeps the dust on the surface of guide groove 8 away first, when moving to the welding position, welding robot can weld.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0025] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above method. As long as various improvements are made by adopting the method concept and technical scheme of the utility model, or directly applied to other occasions without improvement, they are within the protection scope of the utility model.

Claims

1. A welding rail for a vehicle frame welding robot, characterized in that, The utility model relates to a welding robot cleaning device, including a pair of linear first base (1), a pair of first base (1) same end is connected with semicircular second base (2), first base (1) and second base (2) top center line is equipped with guide rail (3), guide rail (3) top is equipped with moving platform (4) slidingly, moving platform (4) bottom both sides are equipped with a plurality of pairs of rotating guide wheel (7) correspondingly, guide rail (3) both sides are equipped with the guide groove (8) with guide wheel (7) corresponds, guide wheel (7) rolls along guide groove (8), and moving platform (4) and first base (1), second base (2) between are equipped with drive walking mechanism, moving platform (4) top is equipped with rotary table (12), and welding robot is installed on rotary table (12), and moving platform (4) bottom both sides are equipped with a pair of cleaning mechanism for cleaning guide groove (8), and the guide wheel (7) of moving platform (4) bottom same side is located between a pair of cleaning mechanism.

2. A welding rail for a frame welding robot according to claim 1, characterized in that, Moving platform (4) bottom is equipped with inverted T shaped sliding block (5), and guide rail (3) top is equipped with the sliding slot (6) with sliding block (5) corresponds, and sliding block (5) is equipped in sliding slot (6) slidingly.

3. A welding rail for a frame welding robot according to claim 2, characterized in that, The contact surface of sliding block (5) and sliding slot (6) is equipped with a teflon plate.

4. The welding rail for a frame welding robot according to claim 1, wherein The drive walking mechanism includes a rack (9) embedded in the outer side of the first base (1) and the second base (2), a motor (10) embedded in one side of the bottom of the moving platform (4), a gear (11) installed on the output shaft of the motor (10) through a shaft coupling, and the gear (11) is engaged with the rack (9).

5. A welding rail for a frame welding robot according to claim 4, characterized in that, The outer side of the first base (1) and the second base (2) is equipped with a rack protective cover (19), and the top of the rack protective cover (19) is equipped with a sliding hole (20), and the center shaft of the gear (11) passes through the sliding hole (20).

6. A welding rail for a frame welding robot according to claim 1, characterized in that, The cleaning mechanism includes a vertical plate (13) fixed to the bottom of the moving platform (4), a universal wheel (14) installed on the bottom of the vertical plate (13) and in contact with the top of the first base (1) and the second base (2), a plug rod (15) penetratingly inserted into the vertical plate (13), a cleaning brush (16) fixed to one end of the plug rod (15) facing the guide rail (3), the cleaning brush (16) in contact with the guide groove (8), a plurality of springs (17) connected between the cleaning brush (16) and the vertical plate (13), and a limiting plate (18) arranged on the end of the plug rod (15) away from the guide rail (3).

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