Welding device of pedestrian protection mechanism

Abstract

The utility model relates to a welding device of a pedestrian protection mechanism, which comprises a part positioning mechanism, an upper pressing mechanism and a rotating mechanism fixing assembly, the rotating mechanism fixing assembly comprises a bottom support frame, a motor and a rotating main shaft, and the part positioning mechanism comprises a rotating seat, a rotating cylinder, a part positioning support block and a pipe body positioning column. The part positioning supporting block and the pipe body positioning column are fixed to the rotating base, a part positioning block is further fixed to one side of the part positioning supporting block, a notch is formed in the middle of the part positioning block, the upper end of the pipe body positioning column is located in the notch, the two rotating air cylinders are fixed to the two ends of the part positioning supporting block respectively, and the rotating air cylinders are connected with part pressing blocks. The upper pressing mechanism comprises a front-back moving air cylinder, an up-down adjusting air cylinder and a pressing fixing base, one end of the pressing fixing base is fixed to the up-down adjusting air cylinder, and the other end of the pressing fixing base is rotationally provided with a pressing column through a bearing. The device is high in automation degree, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile part welding devices, and particularly relates to a welding device for a pedestrian protection mechanism. Background Art

[0002] Traditional automobile pedestrian protection device parts are welded by using a tooling fixture for fixation and a welding torch for movement. When changing the model of the pedestrian protection device product, the entire tooling fixture needs to be disassembled and replaced. During the production process of the traditional device, parts need to be placed and manually clamped separately, and then the welding torch is moved for welding after clamping. The time required is approximately 58 seconds, and a relatively long time is spent on clamping and welding. When the welding is completed and the product model needs to be changed, the entire tooling fixture needs to be removed, the welding program needs to be confirmed, etc., and then other model tooling fixtures need to be replaced, which takes approximately 20 minutes to resume normal production. The traditional welding device has a low degree of automation and low production efficiency. Content of the Utility Model

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a welding device for a pedestrian protection mechanism, which has a high degree of automation, reduces the workload of workers, and improves production efficiency.

[0004] In order to achieve the above utility model purpose, the utility model adopts the following technical solutions:

[0005] A welding device for a pedestrian protection mechanism includes a part positioning mechanism, an upper pressing mechanism, and a rotating mechanism fixing component. The rotating mechanism fixing component includes a bottom support frame, a motor, and a rotating main shaft. The motor and the rotating main shaft are respectively arranged at both ends of the bottom support frame, and the two are connected by a conveyor belt. The part positioning mechanism and the upper pressing mechanism are respectively arranged on the rotating mechanism fixing component. The part positioning mechanism includes a rotating seat, a rotating cylinder, a part positioning support block, and a pipe body positioning column. The rotating seat is connected to the rotating main shaft and is driven by the rotating main shaft to rotate. The part positioning support block and the pipe body positioning column are respectively fixed on the rotating seat. A part positioning block is also fixed on one side of the part positioning support block. A notch is provided in the middle of the part positioning block. The upper end of the pipe body positioning column is located in the notch. Two rotating cylinders are respectively fixed at both ends of the part positioning support block. The rotating cylinder is connected with a part pressing block, and the rotating cylinder drives the part pressing block to move into or out of the upper part of the part positioning block. The upper pressing mechanism includes a front-back moving cylinder, an up-down adjusting cylinder, and a pressing fixing seat. The front-back moving cylinder is fixed on the rotating mechanism fixing component through an upper pressing support seat. The up-down adjusting cylinder is fixed on the front-back moving cylinder through an up-down cylinder fixing seat. One end of the pressing fixing seat is fixed on the up-down adjusting cylinder, and the other end is rotatably provided with a pressing column through a bearing for pressing the workpiece installed on the pipe body positioning column.

[0006] As a preferred solution: the part positioning block is fixed to one side of the part positioning support block through a part positioning fixing block, and part positioning pins are respectively provided at both ends of the part positioning block.

[0007] As a preferred solution: a notch for avoiding the part locating pin is provided on one side of the part pressing block.

[0008] As a preferred solution: the lower part of the part positioning support block is fixed on the rotating seat through a part positioning fixing plate, and adjustment components A are also provided on both sides of the rotating seat and one side of the part positioning fixing plate.

[0009] As a preferred solution: the adjustment component A is a dial indicator and its fixing block, and the part positioning support block, the part positioning fixing plate and the rotating seat are all provided with long strip-shaped adjustment holes.

[0010] As a preferred solution: the upper and lower cylinder fixing seats are fixed to the piston rod of the forward and backward moving cylinder through the debugging fixing seat, the debugging fixing seat and the upper and lower cylinder fixing seats are both provided with long strip adjustment holes, and an adjustment component B is also provided at one end of the debugging fixing seat.

[0011] As a preferred solution: the adjustment component B is also a dial indicator and its fixing block.

[0012] As a preferred solution: a slide plate is slidably arranged on the up-and-down regulating cylinder, one end of the slide plate is fixed to the piston rod of the up-and-down regulating cylinder, and the clamping fixing seat is fixed on the slide plate.

[0013] As a preferred solution: a mechanism fixing base plate is also fixed on the top of the bottom support frame, the upper clamping support seat is fixed on the mechanism fixing base plate, a mounting flange is also provided on the mechanism fixing base plate, the rotating spindle and the rotating seat are fixed to each other, and are arranged in the mounting flange through a bearing.

[0014] As a preferred solution: handrails are respectively fixed to both ends of the fixed bottom plate of the mechanism, and a pneumatic infinitely rotating slip ring is also provided at the lower part of the bottom support frame.

[0015] The utility model positions the parts by the cooperation of the parts positioning mechanism and the upper clamping mechanism, and the parts positioning mechanism adopts a rotating cylinder and a parts clamping block, and the upper clamping mechanism adopts a front-and-rear moving cylinder and an up-and-down adjusting cylinder, which can automatically clamp the parts after the parts are installed in place, and the rotating mechanism fixing assembly drives the parts positioning mechanism to rotate as a whole for welding. The utility model changes the original clamping and welding method. After the parts are clamped, only the clamping button needs to be pressed to automatically and quickly clamp them at one time. The welding gun reaches the fixed position and the center component of the tooling can be rotated to complete the welding. After all the welding is completed, the tooling clamping automatically opens and the material can be taken. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The attached drawings of the specification, which form a part of this application, are used to provide a further understanding of this application. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute a limitation to this application.

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the structure of the upper pressing mechanism of the present utility model;

[0019] Figure 3 、 Figure 4 and Figure 5 are schematic diagrams of the structure of the part positioning mechanism of the present utility model at three different angles;

[0020] Figure 6 is a schematic diagram of the structure of the rotating mechanism fixing component of the present utility model.

[0021] The reference numerals are: 1, part positioning mechanism; 11, rotating seat; 12, adjusting component A; 13, part positioning support block; 15, rotating cylinder; 16, part pressing block; 161, notch; 17, pipe body positioning column; 18, part positioning block; 181, part positioning pin; 19, part positioning fixing block; 120, part positioning fixing plate; 2, upper pressing mechanism; 21, upper pressing support seat; 22, front and rear moving cylinder; 23, debugging fixing seat; 24, adjusting component B; 25, upper and lower cylinder fixing seat; 26, upper and lower adjusting cylinder; 27, sliding plate; 28, pressing fixing seat; 29, pressing column; 3, rotating mechanism fixing component; 31, bottom support frame; 32, mechanism fixing bottom plate; 321, handrail; 33, mounting flange; 34, motor; 341, conveyor belt; 4, ring; 5, backing plate; 6, pipe fitting. Detailed Description of the Specific Embodiment

[0022] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0023] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0024] In addition, in the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more, unless otherwise clearly defined.

[0026] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0028] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0029] As Figures 1 to 6A welding device for a pedestrian protection mechanism is shown, comprising a part positioning mechanism 1, an upper clamping mechanism 2 and a rotating mechanism fixing assembly 3, wherein the rotating mechanism fixing assembly 3 comprises a bottom supporting frame 31, a motor 34 and a rotating spindle, wherein the motor 34 and the rotating spindle are respectively arranged at both ends of the bottom supporting frame 31, and the two are connected by a transmission belt 341, wherein the part positioning mechanism 1 and the upper clamping mechanism 2 are respectively arranged on the rotating mechanism fixing assembly 3; wherein the part positioning mechanism 1 comprises a rotating seat 11, a rotating cylinder 15, a part positioning support block 13 and a tube body positioning column 17, wherein the rotating seat 11 is connected to the rotating spindle and driven to rotate by the rotating spindle, wherein the part positioning support block 13 and the tube body positioning column 17 are respectively fixed on the rotating seat 11, and a part positioning block 18 is also fixed on one side of the part positioning support block 13, A notch is provided in the middle of the part positioning block 18, and the upper end of the tube body positioning column 17 is located in the notch. Two rotating cylinders 15 are respectively fixed at the two ends of the part positioning support block 13, and the rotating cylinder 15 is connected to the part clamping block 16, and the rotating cylinder 15 drives the part clamping block 16 to move in or out above the part positioning block 18; the upper clamping mechanism 2 includes a forward and backward moving cylinder 22, an up and down adjusting cylinder 26 and a clamping fixing seat 28, the forward and backward moving cylinder 22 is fixed on the rotating mechanism fixing assembly 3 through the upper clamping support seat 21, the up and down adjusting cylinder 26 is fixed on the forward and backward moving cylinder 22 through the up and down cylinder fixing seats 25, one end of the clamping fixing seat 28 is fixed on the up and down adjusting cylinder 26, and the other end is rotatably provided with a clamping column 29 for clamping the workpiece installed on the tube body positioning column 17 through a bearing.

[0030] The part positioning block 18 is fixed to one side of the part positioning support block 13 through the part positioning fixing block 19, and part positioning pins 181 are respectively provided at both ends of the part positioning block 18. A notch 161 for avoiding the part positioning pin 181 is provided on one side of the part pressing block 16.

[0031] The lower part of the part positioning support block 13 is fixed on the rotating seat 11 through the part positioning fixing plate 120, and an adjustment component A12 is also provided on both sides of the rotating seat 11 and one side of the part positioning fixing plate 120. The adjustment component A12 is a dial indicator and its fixing block, and the part positioning support block 13, the part positioning fixing plate 120 and the rotating seat 11 are all provided with long strip adjustment holes.

[0032] The upper and lower cylinder fixing bases 25 are fixed to the piston rod of the forward and backward moving cylinder 22 through the debugging fixing base 23. The debugging fixing base 23 and the upper and lower cylinder fixing bases 25 are both provided with long strip-shaped adjustment holes, and an adjustment component B24 is also provided at one end of the debugging fixing base 23. The adjustment component B24 is also a dial indicator and its fixing block.

[0033] A slide plate 27 is slidably arranged on the up-and-down adjusting cylinder 26. One end of the slide plate 27 is fixed to the piston rod of the up-and-down adjusting cylinder 26, and the pressing and fixing seat 28 is fixed on the slide plate 27.

[0034] The top of the bottom support frame 31 is also fixed with a mechanism fixing base plate 32. The upper pressing support seat 21 is fixed on the mechanism fixing base plate 32. An installation flange 33 is also provided on the mechanism fixing base plate 32. The rotating main shaft and the rotating seat 11 are fixedly connected to each other and are arranged in the installation flange 33 through bearings. Armrests 321 are respectively fixed at both ends of the mechanism fixing base plate 32, and a pneumatic infinite rotating slip ring is also provided at the lower part of the bottom support frame 31.

[0035] The specific operation steps of the device of the present utility model are as follows:

[0036] First, since the worker sleeves the pipe fitting 6 on the pipe body positioning post 17, then sleeves the cushion plate 5 on the pipe fitting 6, and installs the cushion plate 5 on the part positioning block 18, and makes the through holes at both ends of the cushion plate 5 sleeve on the part positioning pins 181. Finally, the ring 4 is sleeved on the upper end of the pipe body positioning post 17;

[0037] Then press the automatic clamping button. The rotating cylinder 15 drives the part pressing block 16 to rotate above the cushion plate 5 and presses the cushion plate 5. Under the combined action of the front-and-back moving cylinder 22 and the up-and-down adjusting cylinder 26, the pressing column 29 presses the ring 4 on the upper end of the pipe fitting 6. At the same time, the welding gun head reaches the fixed position to prepare for welding.

[0038] Finally, welding starts, and the part positioning mechanism 1 starts to rotate automatically; the welding gun head welds between the cushion plate 5 and the pipe fitting 6, and between the pipe fitting 6 and the ring 4 in sequence. After welding is completed, the welding gun head moves away; the part positioning mechanism 1 and the upper pressing mechanism 2 are automatically opened; the worker can remove the welded parts.

[0039] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A welding device for a pedestrian protection mechanism, characterized in that: The invention comprises a part positioning mechanism (1), an upper clamping mechanism (2) and a rotating mechanism fixing assembly (3); the rotating mechanism fixing assembly (3) comprises a bottom support frame (31), a motor (34) and a rotating spindle; the motor (34) and the rotating spindle are respectively arranged at two ends of the bottom support frame (31), and the two are connected by transmission through a conveyor belt (341); the part positioning mechanism (1) and the upper clamping mechanism (2) are respectively arranged on the rotating mechanism fixing assembly (3); the part positioning mechanism (1) comprises a rotating seat (11), a rotating cylinder (15), a part positioning support block (13) and a tube body positioning column (17); the rotating seat (11) is connected to the rotating spindle and driven to rotate by the rotating spindle; the part positioning support block (13) and the tube body positioning column (17) are respectively fixed on the rotating seat (11); a part positioning block (18) is also fixed to one side of the part positioning support block (13); the part positioning block ( A notch is provided in the middle of the tube body positioning column (18), the upper end of the tube body positioning column (17) is located in the notch, two rotating cylinders (15) are respectively fixed at the two ends of the part positioning support block (13), the rotating cylinder (15) is connected to the part pressing block (16), and the rotating cylinder (15) drives the part pressing block (16) to move in or out of the part positioning block (18); the upper pressing mechanism (2) comprises a front-rear moving cylinder (22), an up-and-down adjusting cylinder (26) and a pressing fixing seat (28), the front-and-back moving cylinder (22) is fixed to the rotating mechanism fixing assembly (3) through the upper pressing support seat (21), the up-and-down adjusting cylinder (26) is fixed to the front-and-back moving cylinder (22) through the up-and-down cylinder fixing seat (25), one end of the pressing fixing seat (28) is fixed to the up-and-down adjusting cylinder (26), and the other end is rotatably provided with a pressing column (29) for pressing a workpiece mounted on the tube body positioning column (17) through a bearing.

2. The welding device for a pedestrian protection mechanism according to claim 1, characterized in that: The part positioning block (18) is fixed to one side of the part positioning support block (13) via a part positioning fixing block (19), and part positioning pins (181) are respectively provided at both ends of the part positioning block (18).

3. The welding device for a pedestrian protection mechanism according to claim 2, wherein: A notch (161) for avoiding a part positioning pin (181) is provided on one side of the part pressing block (16).

4. A welding device for a pedestrian protection mechanism according to claim 1, characterized in that: The lower part of the part positioning support block (13) is fixed on the rotating seat (11) via a part positioning fixing plate (120), and adjustment components A (12) are also provided on both sides of the rotating seat (11) and one side of the part positioning fixing plate (120).

5. The welding device for a pedestrian protection mechanism according to claim 4, characterized in that: The adjustment component A (12) is a dial indicator and its fixing block, and the part positioning support block (13), the part positioning fixing plate (120) and the rotating seat (11) are all provided with elongated adjustment holes.

6. The welding device for a pedestrian protection mechanism according to claim 1, characterized in that: The upper and lower cylinder fixing seats (25) are fixed to the piston rod of the forward and backward moving cylinder (22) via the debugging fixing seat (23); the debugging fixing seat (23) and the upper and lower cylinder fixing seats (25) are both provided with long strip-shaped adjustment holes, and one end of the debugging fixing seat (23) is also provided with an adjustment component B (24).

7. The welding device for a pedestrian protection mechanism according to claim 6, characterized in that: The adjustment component B (24) is also a dial indicator and its fixing block.

8. The welding device of a pedestrian protection mechanism according to claim 1, characterized in that: A slide plate (27) is slidably disposed on the up-and-down regulating cylinder (26), one end of the slide plate (27) is fixed to the piston rod of the up-and-down regulating cylinder (26), and the pressing fixing seat (28) is fixed on the slide plate (27).

9. The welding device for a pedestrian protection mechanism according to claim 1, characterized in that: A mechanism fixing base plate (32) is also fixed to the top of the bottom support frame (31), the upper pressing support seat (21) is fixed on the mechanism fixing base plate (32), a mounting flange (33) is also provided on the mechanism fixing base plate (32), and the rotating main shaft and the rotating seat (11) are fixed to each other and are arranged in the mounting flange (33) via a bearing.

10. The welding device for a pedestrian protection mechanism according to claim 9, characterized in that: Handrails (321) are respectively fixed to both ends of the mechanism fixed bottom plate (32), and a pneumatic infinitely rotating slip ring is also provided at the lower part of the bottom support frame (31).

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