Automatic welding device for exhaust pipe

By designing an automatic exhaust pipe welding device including a cylinder, an assembly frame, a clamping mechanism and an adapter, the problem of not being able to adapt to the exhaust pipes and flanges of different scale diameters in the prior art is solved, and a high adaptability and portable welding effect is achieved.

CN222754758UActive Publication Date: 2025-04-15HANGZHOU BAOQI ALUMINUM PROD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421519554.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-04-15
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing automatic welding device for automobile exhaust pipes cannot be adapted to welding exhaust pipes of different scale diameters with corresponding flanges, resulting in lower adaptability.

Method used

An automatic welding device for exhaust pipes is designed, adopting a structure including a cylinder, an assembly frame, a clamping mechanism and an adapter mechanism. Through the cooperation of the cylinder and the assembly frame, the clamping mechanism can clamp the exhaust pipe and flanges, and through the adjustment components and transmission screws in the adapter mechanism, the lifting and circumferential rotation of the welding gun is realized, adapting to the exhaust pipes and flanges of different sizes.

Benefits of technology

The adaptability of the exhaust pipe and flange is improved, and the welding tasks of different sizes can be efficiently performed, which enhances the portability and practicality of welding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222754758U_ABST
    Figure CN222754758U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic welding device for an exhaust pipe, and belongs to the field of automobile exhaust pipe machining. Comprising a body; a first air cylinder is fixedly installed below the top of the main body, the extending end of the first air cylinder is connected with an assembling frame, clamping mechanisms are installed in the table top of the main body and the assembling frame correspondingly, and an adaptive mechanism is installed on the periphery of the middle of the table top of the main body and comprises a first adjusting assembly. And the first adjusting assembly is installed above the main body table top and comprises a driven gear, a fixing frame is fixed to one side of the upper portion of the driven gear, and a second adjusting assembly is installed inside and outside the fixing frame in a combined mode and comprises a welding gun. The automatic welding device for the exhaust pipe has the beneficial effects that after the exhaust pipe and a flange are clamped in the middle through the two sets of clamping mechanisms correspondingly, a worker can start the air cylinder to drive the assembly frame and the clamped exhaust pipe to vertically descend till the assembly frame and the clamped exhaust pipe are attached to the flange.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the field of automobile exhaust pipe processing, and in particular to an exhaust pipe automatic welding device. Background Art

[0002] During the processing of automobile exhaust pipes, the exhaust pipes need to be inserted into the assembly holes of the flanges for docking, and the joints between the exhaust pipes and the flanges need to be welded, at which time a welding device is required.

[0003] The structure of the product can refer to an automatic welding device for automobile exhaust pipes disclosed in Chinese patent document CN207272472U, which includes a workbench, a mounting plate, a first positioning mechanism, a second positioning mechanism and a welding mechanism; the first positioning mechanism includes a positioning disc, which is mounted above the workbench through a supporting shaft, and the positioning disc is provided with a first positioning hole for positioning and fixing the flange, and the central axis of the first positioning hole is arranged vertically; the second positioning mechanism includes a moving plate and a first driving mechanism, and a positioning sleeve is provided on the side of the moving plate close to the positioning disc, and the positioning sleeve is provided with a second positioning hole for positioning and fixing the exhaust pipe, and the first driving mechanism is connected to the moving plate to drive the moving plate to move downward in the vertical direction to drive the end of the exhaust pipe to be inserted into the assembly hole of the flange for docking; the welding mechanism is rotatably mounted on the workbench and can rotate 360 ​​degrees around the positioning disc to weld the exhaust pipe and the flange at the docking point.

[0004] During use, the automatic welding device can only weld exhaust pipes of the same size and model to corresponding flanges, but cannot perform adaptive welding processing for exhaust pipes of different sizes and corresponding flanges, resulting in a problem of low adaptability. Utility Model Content

[0005] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide an automatic welding device for an exhaust pipe, and the working process or installation process, etc., has the beneficial effect of higher adaptability due to the role of the adaptation mechanism.

[0007] An automatic exhaust pipe welding device comprises: a main body; a cylinder 1 is fixedly installed below the top of the main body, and the protruding end of the cylinder 1 is connected to an assembly frame, a clamping mechanism is respectively installed on the table top of the main body and inside the assembly frame, an adapting mechanism is installed around the middle of the main body table top, the adapting mechanism comprises an adjusting component 1, and the adjusting component 1 is installed above the main body table top, the adjusting component 1 comprises a driven gear, and a fixing frame is fixed on one side above the driven gear, an adjusting component 2 is jointly installed inside and outside the fixing frame, and the adjusting component 2 comprises a welding gun.

[0008] Furthermore, the adjustment component 1 includes a rotating sleeve frame, and the rotating sleeve frame is fixed at the upper center of the main table top. A driven gear is movable around the rotating sleeve frame, and a driving gear is meshed on one side of the driven gear. A rotating rod is fixed in the middle of the driving gear, and the output end of the rotating rod is connected to motor 2.

[0009] Furthermore, the driven gear movably sleeved around the rotating sleeve frame and the driving gear are meshedly connected with each other.

[0010] Furthermore, the second adjustment component includes a second transmission screw rod, and the second transmission screw rod is installed inside the upper part of the fixed frame, the output end of the second transmission screw rod is connected to the motor three, and a screw sleeve two is screwed on the periphery of one side of the second transmission screw rod, and a guide frame for guiding the second screw sleeve is provided at the top of the upper part of the fixed frame, a fixed block is fixed below the second screw sleeve, and a second cylinder is fixedly installed above the fixed block, the protruding end of the second cylinder is connected to a connecting plate, and a welding gun is fixedly installed on one side of the middle part of the connecting plate.

[0011] Furthermore, a movable guiding connection is formed between the screw rod sliding sleeve 2 and the guide frame inside the upper part of the fixed frame.

[0012] Furthermore, the clamping mechanism includes forward and reverse screw rods, and the forward and reverse screw rods are respectively installed at the bottom end of the main body and the inside of the assembly frame, the output ends of the forward and reverse screw rods are connected to a motor, and a bevel gear is fixed to one side of the middle part of the forward and reverse screw rods, bevel gears are meshed on both sides of the bevel gear, and a transmission screw is fixed to the middle part of the two bevel gears, one side of the two transmission screws and both sides of the middle part of the forward and reverse screw rods are respectively screwed with a screw sleeve, and clamping blocks are fixed above the two pairs of screw sleeves, and the table top of the main body is respectively provided with guide grooves for guiding the two pairs of clamping blocks.

[0013] Furthermore, the guide grooves are respectively opened in the middle of the assembly frame and the main body table, and a plurality of guide grooves are movably connected to corresponding clamping blocks.

[0014] Furthermore, the clamping mechanism is respectively installed at the middle part of the bottom end of the main body and the middle part of the assembly frame.

[0015] The beneficial effects of the present application are as follows: an automatic exhaust pipe welding device is provided. After the exhaust pipe and the flange are respectively clamped in the center by two sets of clamping mechanisms, a person can start the cylinder one to bring the assembly frame and the clamped exhaust pipe down vertically until they fit with the flange. Then the person drives the motor three inside the fixed frame to rotate the transmission screw two. At this moment, the screw sleeve two acting with the screw will cooperate with the guide frame to bring the fixed block and the cylinder two, the connecting plate, the welding gun and other components to perform horizontal displacement, so as to adapt to the point size required for welding after the different exhaust pipes and flanges are fitted. Among them, the cylinder two can make the welding gun perform lifting welding, and the adaptability is high. At the same time, the person starts the motor two to rotate the rotating rod and the driving gear. At this moment, the driven gear on one side of the driving gear will rotate circumferentially along the periphery of the rotating sleeve frame according to the meshing transmission, so that the fixed frame and the adjusting component two can be rotated synchronously along the circumferential direction. At this moment, the welding gun of the adjusting component two can perform edge-around welding on the periphery of the exhaust pipe and the flange after fitting, which is portable and practical.

[0016] The staff can place the flange to be welded with the exhaust pipe in the middle of the main table in advance, and then start the motor 1 to rotate the forward and reverse screws and the bevel gear 1. At this time, the bevel gears 2 on both sides meshing with the bevel gear 1 will rotate with the transmission screws 1 fixed in the middle of each of them. In this state, the four screw sleeves acting with the forward and reverse screws and the two transmission screws 1 will approach each other with the guidance of the clamping blocks fixed on their upper parts and the guide of the guide groove, so as to achieve four-way fixation of the flange and ensure the centering of the flange position. At the same time, another clamping mechanism inside the assembly frame also moves as the above steps, so that the four clamping blocks can also clamp one end of the exhaust pipe in the four directions, which brings convenience to the subsequent welding of the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0018] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0019] In the attached picture:

[0020] Figure 1 is a three-dimensional schematic diagram according to an embodiment of the present application;

[0021] Figure 2 is a schematic diagram of a clamping mechanism according to an embodiment of the present application;

[0022] Figure 3 is a schematic diagram of an adaptation mechanism according to an embodiment of the present application;

[0023] Figure 4 It is a partial schematic diagram of the second adjustment component according to an embodiment of the present application.

[0024] Reference numerals:

[0025] 1. Subject;

[0026] 2. Cylinder 1;

[0027] 3. Assembly rack;

[0028] 4. Clamping mechanism; 41. Forward and reverse screws; 42. Motor 1; 43. Bevel gear 1; 44. Bevel gear 2; 45. Transmission screw 1; 46. Screw sleeve 1; 47. Clamping block; 48. Guide groove;

[0029] 5. Adapter mechanism; 51. Adjustment component one; 511. Rotating sleeve frame; 512. Driven gear; 513. Driving gear; 514. Rotating rod; 515. Motor two; 52. Fixed frame; 53. Adjustment component two; 531. Transmission screw two; 532. Motor three; 533. Screw sleeve two; 534. Guide frame; 535. Fixed block; 536. Cylinder two; 537. Connecting plate; 538. Welding gun. DETAILED DESCRIPTION

[0030] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0031] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0032] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0033] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0034] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0035] like Figure 1-4 An automatic exhaust pipe welding device, comprising: a main body 1; a cylinder 2 is fixedly installed below the top of the main body 1, and the protruding end of the cylinder 2 is connected to an assembly rack 3, a clamping mechanism 4 is installed on the table of the main body 1 and inside the assembly rack 3, respectively, the clamping mechanism 4 is installed at the middle of the bottom end of the main body 1 and the middle of the assembly rack 3, an adapting mechanism 5 is installed around the middle of the table of the main body 1, the clamping mechanism 4 includes a positive and negative screw rod 41, and the positive and negative screw rod 41 is installed at the bottom end of the main body 1 and the assembly rack 3, the output end of the forward and reverse screw rods 41 is connected to the motor 1 42, and a bevel gear 1 43 is fixed to one side of the middle of the forward and reverse screw rods 41, and bevel gears 2 44 are meshed on both sides of the bevel gear 1 43, and a transmission screw rod 1 45 is fixed to the middle of the two bevel gears 2 44, and screw rod sliding sleeves 1 46 are respectively screwed on one side of the two transmission screw rods 1 45 and on both sides of the middle of the forward and reverse screw rods 41, and clamping blocks 47 are fixed above the two pairs of screw rod sliding sleeves 1 46, and the table top of the main body 1 is respectively provided with two pairs of clamping blocks. The guide grooves 48 of the block 47 are movably guided, and the guide grooves 48 are respectively opened in the middle of the assembly frame 3 and the table of the main body 1, and the multiple guide grooves 48 are movably connected with the corresponding clamping blocks 47. The staff can place the flange to be welded with the exhaust pipe in the middle of the table of the main body 1 in advance, and then start the motor 42 to rotate the positive and negative screw rods 41 and the bevel gear 43. At this time, the bevel gears 44 on both sides meshing with the bevel gear 43 will rotate with the transmission screw rods 45 fixed in the middle of each other. In this state, the four screw sleeves 46 acting on the positive and negative screw rods 41 and the two transmission screw rods 45 will bring the clamping blocks 47 fixed on their upper parts to approach each other in accordance with the guidance of the guide grooves 48, so as to achieve four-way fixation of the flange and ensure the centering of the flange position. At the same time, another clamping mechanism 4 inside the assembly frame 3 also moves as the above steps, so that the four clamping blocks 47 can also clamp one end of the exhaust pipe in the four directions, which brings convenience to the subsequent welding of the two.

[0036] The adapting mechanism 5 includes an adjusting component 1 51, and the adjusting component 1 51 is installed above the table of the main body 1. The adjusting component 1 51 includes a rotating sleeve frame 511, and the rotating sleeve frame 511 is fixed at the center of the upper surface of the main body 1. A driven gear 512 is movable around the rotating sleeve frame 511, and a driving gear 513 is meshed on one side of the driven gear 512. A rotating rod 514 is fixed in the middle of the driving gear 513, and the output end of the rotating rod 514 is connected to a motor 2 515. The driven gear 512 and the driving gear 513 that are movably sleeved around the rotating sleeve frame 511 are meshed with each other, and a fixed gear 514 is fixed on the upper side of the driven gear 512. The fixed frame 52 is provided with an adjustment component 2 53 installed inside and outside the fixed frame 52. The adjustment component 2 53 includes a transmission screw rod 2 531, and the transmission screw rod 2 531 is installed inside the upper part of the fixed frame 52. The output end of the transmission screw rod 2 531 is connected to the motor 3 532, and a screw rod sleeve 2 533 is screwed on the periphery of one side of the transmission screw rod 2 531. A guide frame 534 for guiding the screw rod sleeve 2 533 is provided at the top of the upper part of the fixed frame 52. A fixed block 535 is fixed below the screw rod sleeve 2 533, and a cylinder 2 536 is fixed above the fixed block 535. The protruding end of the cylinder 2 536 is connected to a connecting plate 537, and the connecting plate 537 is connected to the connecting plate 537. A welding gun 538 is fixedly installed on one side of the middle of the connecting plate 537, and a movable guiding connection is formed between the screw sleeve 2 533 and the guide frame 534 inside the upper part of the fixed frame 52. After the exhaust pipe and the flange are clamped in the middle by two sets of clamping mechanisms 4, the personnel can start the cylinder 1 2 to carry the assembly frame 3 and the clamped exhaust pipe to vertically descend until they fit with the flange. Then the staff drives the motor 3 532 inside the fixed frame 52 to rotate the transmission screw 2 531. At this time, the screw sleeve 2 533 acting with the screw will cooperate with the guide frame 534 to guide the fixed block 535 and the cylinder 2 536, the connecting plate 537, the welding gun 538 and other components. Horizontal displacement is performed to adapt to the point sizes of welding required after different exhaust pipes and flanges are fitted. Cylinder 2 536 can make the welding gun 538 perform lifting and welding, and has high adaptability. At the same time, the personnel starts motor 2 515 to rotate the rotating rod 514 and the driving gear 513. At this moment, the driven gear 512 on one side of the driving gear 513 will rotate circumferentially along the periphery of the rotating sleeve frame 511 according to the meshing transmission, so that the fixing frame 52 and the adjusting component 2 53 can be rotated synchronously along the circumferential direction. At this moment, the welding gun 538 of the adjusting component 2 53 can perform edge-around welding on the periphery of the exhaust pipe and the flange after fitting, which is portable and practical.

[0037] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. An automatic welding device for an exhaust pipe, comprising: A main body (1); characterized in that: a cylinder (2) is fixedly installed below the top of the main body (1), and the protruding end of the cylinder (2) is connected to an assembly frame (3), a clamping mechanism (4) is installed on the table top of the main body (1) and inside the assembly frame (3), respectively, an adapting mechanism (5) is installed around the middle of the table top of the main body (1), the adapting mechanism (5) includes an adjusting component (51), and the adjusting component (51) is installed above the table top of the main body (1), the adjusting component (51) includes a driven gear (512), and a fixing frame (52) is fixed on one side above the driven gear (512), and an adjusting component (53) is jointly installed inside and outside the fixing frame (52), and the adjusting component (53) includes a welding gun (538).

2. The exhaust pipe automatic welding device according to claim 1 is characterized in that: The first adjustment component (51) comprises a rotating sleeve frame (511), and the rotating sleeve frame (511) is fixed at the center of the upper surface of the main body (1), a driven gear (512) is movable around the rotating sleeve frame (511), and a driving gear (513) is meshed on one side of the driven gear (512), a rotating rod (514) is fixed in the middle of the driving gear (513), and the output end of the rotating rod (514) is connected to a second motor (515).

3. The exhaust pipe automatic welding device according to claim 2 is characterized in that: The driven gear (512) movably sleeved around the rotating sleeve (511) and the driving gear (513) are meshedly connected with each other.

4. The exhaust pipe automatic welding device according to claim 1, characterized in that: The second adjustment component (53) includes a second transmission screw (531), and the second transmission screw (531) is installed in the upper interior of the fixed frame (52), the output end of the second transmission screw (531) is connected to the third motor (532), and a second screw sleeve (533) is screwed on the periphery of one side of the second transmission screw (531), and a guide frame (534) for guiding the second screw sleeve (533) is provided at the top of the upper interior of the fixed frame (52), a fixed block (535) is fixed below the second screw sleeve (533), and a second cylinder (536) is fixedly installed above the fixed block (535), the protruding end of the second cylinder (536) is connected to a connecting plate (537), and a welding gun (538) is fixedly installed on one side of the middle of the connecting plate (537).

5. The exhaust pipe automatic welding device according to claim 4 is characterized in that: A movable guiding connection is formed between the second screw rod sliding sleeve (533) and the guide frame (534) inside the upper part of the fixed frame (52).

6. The exhaust pipe automatic welding device according to claim 1, characterized in that: The clamping mechanism (4) comprises a forward and reverse screw rod (41), and the forward and reverse screw rod (41) is respectively installed at the bottom end of the main body (1) and inside the assembly frame (3), the output end of the forward and reverse screw rod (41) is connected to a motor (42), and a bevel gear (43) is fixed to one side of the middle of the forward and reverse screw rod (41), and bevel gears (44) are meshed on both sides of the bevel gear (43), and a transmission screw rod (45) is fixed to the middle of the two bevel gears (44), and a screw rod sliding sleeve (46) is respectively screwed on one side of the two transmission screw rods (45) and on both sides of the middle of the forward and reverse screw rods (41), and clamping blocks (47) are fixed above the two pairs of screw rod sliding sleeves (46), and the table surface of the main body (1) is respectively provided with guide grooves (48) for guiding the two pairs of clamping blocks (47) to move.

7. The exhaust pipe automatic welding device according to claim 6, characterized in that: The guide grooves (48) are respectively opened in the middle of the assembly frame (3) and the table top of the main body (1), and a plurality of guide grooves (48) are movably connected to corresponding clamping blocks (47) in a guiding manner.

8. The exhaust pipe automatic welding device according to claim 1, characterized in that: The clamping mechanism (4) is respectively installed at the middle part of the bottom end of the main body (1) and the middle part of the assembly frame (3).

Citation Information

Patent Citations

  • Vehicle vent -pipe automatic welder

    CN207272472U