Gearbox shell automatic welding machine

Abstract

The utility model relates to the technical field of welding devices, and discloses a gearbox casing automatic welding machine which comprises a bottom plate, a supporting mechanism arranged on the bottom plate, a welding mechanism arranged on one side of the supporting mechanism, the supporting mechanism comprises a supporting table, a bearing plate arranged above the supporting table, a servo motor installed on the top of the supporting table, and a fixing plate arranged on one side of the supporting table. A flaw detector and an electric sliding rail are installed on the two sides of the fixing plate correspondingly, a second air cylinder is installed at the output end of the electric sliding rail, a probe of the flaw detector is installed at the movable end of the second air cylinder, the welding mechanism comprises a laser welding machine arranged on the other side of the supporting table, and a mechanical arm is arranged between the laser welding machine and the supporting table. A welding head of the laser welding machine is installed at the output end of the mechanical arm. Mechanical flaw detection positioning of the gearbox casing can be achieved through cooperation of the flaw detector, the electric sliding rail and the second air cylinder, automatic welding of the gearbox casing is achieved through cooperation of the mechanical arm and the laser welding machine, time and labor are saved, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of welding devices, in particular to an automatic welding machine for a gearbox housing. Background Art

[0002] The gearbox housing, also known as the gearbox case or transmission case, is a key component of the automotive transmission system, which bears the transmission mechanism and its related accessories of the transmission. In the early days, the gearbox housing was mainly made of gray cast iron because it was relatively easy to form, had good shock absorption and low cost. However, with the development of society and the maturity of lightweight technology, the gearbox housing in small cars has gradually been replaced by aluminum alloy. Therefore, at present, the gearbox housing mainly has two materials: gray cast iron and aluminum alloy.

[0003] When the gearbox housing is damaged during use, it usually needs to be welded for repair. When welding the gearbox housing, it is necessary to manually locate the crack site and then manually weld it, which is time-consuming and laborious and has low efficiency. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that when welding the existing gearbox housing, manual positioning of the crack site and then manual welding are carried out, resulting in low efficiency.

[0005] To solve the above problems, the technical solution of the utility model is: an automatic welding machine for a gearbox housing, including a bottom plate, a support mechanism is provided on the bottom plate, a welding mechanism is provided on one side of the support mechanism, the support mechanism includes a support table, a bearing plate is provided above the support table, and a servo motor for driving the bearing plate to rotate is installed on the top of the support table, a fixing plate is provided on one side of the support table, a flaw detector and an electric slide rail are respectively installed on both sides of the fixing plate, a cylinder two is installed at the output end of the electric slide rail, and the probe of the flaw detector is installed at the movable end of the cylinder two, the welding mechanism includes a laser welding machine provided on the other side of the support table, a robotic arm is provided between the laser welding machine and the support table, and the welding head of the laser welding machine is installed at the output end of the robotic arm.

[0006] Further, a plurality of vertical plates are fixedly connected to the outside of the support table at the top of the bottom plate, a cylinder one is installed at the upper part inside the vertical plates, and a clamping plate is installed at the output end of the cylinder one.

[0007] Further, an installation groove is opened at the center of the top of the support table, the servo motor is installed inside the installation groove, and an angle sensor is connected to the output shaft of the servo motor.

[0008] Further, a plurality of rollers are installed at the bottom of the bearing plate.

[0009] Further, an installation seat is provided at the bottom of the robotic arm.

[0010] The advantages of the present utility model compared with the existing technology are as follows: Through the cooperation of the flaw detector, the electric slide rail and the second cylinder, the mechanized flaw detection and positioning of the gearbox housing can be realized, and through the cooperation of the robotic arm and the laser welder, the automatic welding of the gearbox housing can be realized, which saves time and effort and has high efficiency. Description of the Drawings

[0011] Figure 1 is the three-dimensional view of the present utility model Figure 1 .

[0012] Figure 2 is the three-dimensional view of the present utility model Figure 2 .

[0013] Figure 3 is the cross-sectional view of the connection structure of the support platform of the present utility model.

[0014] As shown in the figure: 1, bottom plate; 2, support platform; 3, bearing plate; 4, servo motor; 5, fixing plate; 6, flaw detector; 7, electric slide rail; 8, second cylinder; 9, laser welder; 10, robotic arm; 11, vertical plate; 12, first cylinder; 13, clamping plate; 14, roller; 15, mounting seat. Specific Embodiments

[0015] 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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the scope of protection of the present utility model.

[0016] As Figures 1 to 3 shown, an automatic welding machine for a gearbox housing includes a bottom plate 1. A support mechanism is provided on the bottom plate 1. The support mechanism includes a support platform 2. A bearing plate 3 is provided above the support platform 2. And a servo motor 4 for driving the bearing plate 3 to rotate is installed at the top of the support platform 2. An installation groove is formed at the center of the top of the support platform 2. The servo motor 4 is installed inside the installation groove. And an angle sensor is connected to the output shaft of the servo motor 4. A plurality of rollers 14 are installed at the bottom of the bearing plate 3.

[0017] Place the gearbox housing on the bearing plate 3 and turn on the servo motor 4. Drive the bearing plate 3 and the gearbox housing to rotate through the servo motor 4. The rotation angle of the bearing plate 3 can be monitored through the angle sensor.

[0018] One side of the support platform 2 is provided with a fixing plate 5. A flaw detector 6 and an electric slide rail 7 are respectively installed on both sides of the fixing plate 5. The output end of the electric slide rail 7 is installed with a second cylinder 8. And the probe of the flaw detector 6 is installed at the movable end of the second cylinder 8.

[0019] The electric slide rail 7 drives the second cylinder 8 to move up and down to adjust the height of the probe. By the telescoping of the second cylinder 8, the distance between the probe and the gearbox housing can be adjusted, and thus flaw detection of the gearbox housing can be achieved. Combining with the angles of the bearing plate 3 monitored by the angle sensor and the rotation of the gearbox housing, the positioning of the crack location can be realized.

[0020] The welding mechanism includes a laser welder 9 arranged on the other side of the support table 2, and there is a robotic arm 10 between the laser welder 9 and the support table 2. There is a mounting seat 15 at the bottom of the robotic arm 10, and the welding head of the laser welder 9 is installed at the output end of the robotic arm 10. A plurality of vertical plates 11 are fixedly connected to the outside of the support table 2 on the top of the bottom plate 1. The upper part inside the vertical plates 11 is provided with a first cylinder 12, and the output end of the first cylinder 12 is provided with a clamping plate 13

[0021] After the crack location is positioned, the servo motor 4 continues to drive the bearing plate 3 to rotate, so that the crack location rotates to one side of the robotic arm 10. By the elongation of the first cylinder 12, the plurality of clamping plates 13 approach each other, and clamping and fixing of the gearbox housing can be achieved. The robotic arm 10 controls the movement of the welding head to weld the crack location.

[0022] In specific use, connect this device to an external control system, place the gearbox housing on the bearing plate 3, adjust the distance between the probe and the gearbox housing by the telescoping of the second cylinder 8, start the servo motor 4 and the electric slide rail 7. The servo motor 4 drives the gearbox housing to rotate, and the electric slide rail 7 drives the probe to move up and down, and flaw detection and positioning of the gearbox housing can be achieved. The servo motor 4 continues to drive the bearing plate 3 to rotate, so that the crack location rotates to one side of the robotic arm 10. By the elongation of the first cylinder 12, the plurality of clamping plates 13 approach each other, and clamping and fixing of the gearbox housing can be achieved. The robotic arm 10 controls the movement of the welding head to weld the crack location.

[0023] The parts not disclosed in this utility model are all prior arts, and their specific structures and working principles will not be elaborated herein.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

[0026] The above description of the present utility model and its embodiments is not restrictive. What is shown in the drawings is only one of the embodiments of the present utility model, and the actual structure is not limited thereto. In general, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the creation of the present utility model, design similar structural forms and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. An automatic welding machine for a gearbox housing, comprising a bottom plate (1), a support mechanism is provided on the bottom plate (1), and a welding mechanism is provided on one side of the support mechanism, characterized in that: The support mechanism includes a support table (2), a bearing plate (3) is arranged above the support table (2), and a servo motor (4) for driving the bearing plate (3) to rotate is installed on the top of the support table (2). A fixing plate (5) is arranged on one side of the support table (2). A flaw detector (6) and an electric slide rail (7) are respectively installed on both sides of the fixing plate (5). The output end of the electric slide rail (7) is installed with a second cylinder (8), and the probe of the flaw detector (6) is installed at the movable end of the second cylinder (8). The welding mechanism includes a laser welder (9) arranged on the other side of the support table (2), and a robotic arm (10) is arranged between the laser welder (9) and the support table (2). The welding head of the laser welder (9) is installed at the output end of the robotic arm (10).

2. The automatic welding machine for a gearbox housing according to claim 1, wherein: A plurality of vertical plates (11) are fixedly connected to the outside of the support table (2) on the top of the bottom plate (1). The upper part of the inner side of the vertical plate (11) is installed with a first cylinder (12), and the output end of the first cylinder (12) is installed with a clamping plate (13).

3. The automatic welding machine for a gearbox housing according to claim 1, characterized in that: An installation groove is opened at the center of the top of the support table (2). The servo motor (4) is installed inside the installation groove, and an angle sensor is connected to the output shaft of the servo motor (4).

4. The automatic welding machine for a gearbox housing according to claim 3, characterized in that: A plurality of rollers (14) are installed at the bottom of the bearing plate (3).

5. The automatic welding machine for a gearbox housing according to claim 1, characterized in that: An installation seat (15) is arranged at the bottom of the robotic arm (10).

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