Auxiliary device for welding cylinder and flange
By designing an auxiliary device for welding the cylinder and flange, and utilizing the transmission connection of the clutch and rotating rod, the fixture can be autonomously rotated and its angle adjusted. This solves the problem of difficult angle adjustment in welding the cylinder and flange, improves welding quality, and reduces costs.
Patent Information
- Application Number
- CN202422891070.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing welding devices for cylinders and flanges present difficulties in angle adjustment, especially due to the large weight of the cylinder and flange, making adjustment challenging.
An auxiliary device for welding cylinders and flanges was designed, including a bracket, connector, clamp, drive component, rotating rod, clutch, and transmission component. Through the transmission connection between the clutch and the rotating rod, the clamp can be rotated autonomously and its angle adjusted. The clamp can complete the full circle welding in place, reducing the movement of the welding personnel.
It improves welding quality, reduces welding difficulty, saves energy and reduces manufacturing costs, and ensures weld continuity and weld quality.
Smart Images

Figure CN223506554U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cylinder and flange welding production technology, specifically to an auxiliary device for cylinder and flange welding. Background Technology
[0002] Welding of cylinders to flanges is primarily involved in the manufacturing and repair of pressure vessels, piping systems, or other mechanical structures. This welding process demands precision and high quality to ensure structural safety and sealing. During welding, it is crucial to ensure weld continuity and avoid porosity, cracks, or other defects. Because the welding of cylinders to flanges involves circular weld beads, it is a complex process requiring skilled welders and appropriate equipment.
[0003] Existing auxiliary devices for welding cylinders and flanges typically use clamping tools to fix the cylinder and flange, and then use a drive device to rotate the clamping device to reduce production difficulty. To further reduce the welding difficulty coefficient, the clamping device can be rotated at a certain angle. However, when adjusting the angle, it is usually done manually and then fixed. Since the cylinder and flange are generally quite heavy, there are difficulties in adjustment. Utility Model Content
[0004] This utility model proposes an auxiliary device for welding cylinder and flange, which solves the problem of difficulty in adjusting the angle of the tooling for cylinder and flange in related technologies.
[0005] The technical solution of this utility model is as follows:
[0006] Auxiliary devices for welding the cylinder and flange include:
[0007] support;
[0008] The connector is rotatably mounted on the bracket;
[0009] A clamp is rotatably mounted on the connector, the clamp being used to clamp the cylinder and the flange, and the rotation axis of the clamp is perpendicular to the rotation axis of the connector;
[0010] A driving component is disposed on the connecting component, and the driving component is used to drive the clamp to rotate;
[0011] A rotating rod is rotatably mounted on the connecting member;
[0012] A clutch is mounted on the rotating rod, and the clutch is connected to the driving component in a transmission manner. The driving component drives the rotating rod to rotate through the clutch.
[0013] The transmission component is connected at both ends to the rotating rod and the connecting component, and the transmission component is used to transmit motion.
[0014] Optionally, it also includes:
[0015] A first worm gear is mounted on the connecting member;
[0016] A worm gear is rotatably mounted on the bracket, and the worm gear meshes with the first worm wheel. The transmission component is connected to the connecting component through the worm gear and the first worm wheel.
[0017] Optionally, both the rotating rod and the clutch are two, and the driving member is located between the two rotating rods, further comprising:
[0018] A first bevel gear is mounted on the driving component;
[0019] There are two second bevel gears, which are respectively disposed on the two clutches, and the second bevel gear meshes with the first bevel gear for transmission.
[0020] Optionally, the transmission component includes:
[0021] The transmission wheel has two wheels, which are respectively mounted on the two rotating rods;
[0022] There are two transmission rods, both rotatably mounted on the bracket, and each transmission wheel drives one of the transmission rods to rotate.
[0023] The third bevel gear has two, which are respectively mounted on the two transmission rods;
[0024] There are two fourth bevel gears, both of which are mounted on the worm gear, and the two third bevel gears mesh with the two fourth bevel gears respectively.
[0025] Optionally, the axes of the two rotating rods are the same as the rotation axis of the connector.
[0026] Optionally, it also includes:
[0027] A support plate is rotatably mounted on the connector. The support plate is located at the bottom of the fixture, and the rotation axis of the support plate is the same as the rotation axis of the fixture.
[0028] The working principle and beneficial effects of this utility model are as follows:
[0029] In this invention, the fixture can be a three-jaw chuck. First, the cylinder and flange are spot-welded together. Then, the cylinder and flange are fixed together onto the fixture. The drive unit can rotate the fixture. After the fixture rotates, the welder only needs to stand in place to complete the full-circle welding of the cylinder and flange connection surface, avoiding problems such as discontinuous welds and poor weld quality caused by welder movement during the welding process. The drive unit is connected to the rotating rod via a clutch. The clutch controls whether the rotating rod is connected to the drive unit. The rotating rod is also connected to the connecting part. After the rotating rod rotates, the connecting part follows. The fixture and drive unit rotate at a certain angle, making it easier for the welder to weld and improving welding quality. Through the arrangement of the clutch, connecting part, and rotating rod, a single drive unit can achieve autonomous rotation of the fixture while selectively adjusting the fixture's tilt angle, saving energy and reducing manufacturing costs. Attached Figure Description
[0030] The preferred embodiments will be described below in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.
[0031] Figure 1 This is a schematic diagram of the structure of this utility model;
[0032] Figure 2 This is a cross-sectional view of the present invention;
[0033] Figure 3 This is an enlarged view of section A of this utility model;
[0034] Figure 4 This is a side view of the present invention.
[0035] In the diagram: 100, bracket; 200, connector; 300, clamp; 400, drive component; 500, rotating rod; 600, clutch; 700, transmission component; 800, first worm gear; 900, worm; 1000, first bevel gear; 1100, second bevel gear; 1200, transmission wheel; 710, transmission rod; 720, third bevel gear; 730, fourth bevel gear; 1300, support plate. Detailed Implementation
[0036] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.
[0037] To keep the drawings concise, only the parts relevant to the utility model are shown schematically in each drawing; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "a" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."
[0038] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between 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.
[0039] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0040] Reference Figures 1-4 This utility model proposes an auxiliary device for welding a cylinder and a flange, including a connector 200 rotatably mounted on a bracket 100; a clamp 300 rotatably mounted on the connector 200, used to clamp the cylinder and the flange, with the rotation axis of the clamp 300 perpendicular to the rotation axis of the connector 200; a drive member 400 mounted on the connector 200, used to drive the clamp 300 to rotate; a rotating rod 500 rotatably mounted on the connector 200; a clutch 600 mounted on the rotating rod 500, the clutch 600 being connected to the drive member 400, and the drive member 400 driving the rotating rod 500 to rotate through the clutch 600; and a transmission member 700 connected at both ends to the rotating rod 500 and the connector 200, used to transmit motion.
[0041] In this embodiment, the clamp 300 can be a three-jaw chuck. First, the cylinder and flange are spot-welded together. Then, the cylinder and flange are fixed together onto the clamp 300. The drive component 400 can drive the clamp 300 to rotate. After the clamp 300 rotates, the welder only needs to stand in place to complete the full-circle welding of the connection surface between the cylinder and the flange, avoiding problems such as discontinuous welds and poor weld quality caused by the welder's movement during the welding process. The drive component 400 is connected to the rotating rod 500 via a clutch 600. The clutch 600 can control whether the rotating rod 500 is connected to the drive component 400. The rotating rod 500 is connected to the connecting component 200. After the rotating rod 500 rotates, the connecting component 200 rotates along with it via the transmission component 700. The clamp 300 and the drive component 400 rotate at a certain angle, making it easier for the welder to perform welding and improving welding quality. By using the arrangement of clutch 600, connector 200 and rotating rod 500, a driving component 400 can selectively adjust the tilt angle of clamp 300 while enabling the clamp 300 to rotate autonomously, which not only saves energy but also reduces manufacturing costs.
[0042] Furthermore, it also includes a first worm gear 800 disposed on the connector 200; a worm 900 rotatably disposed on the bracket 100, the worm 900 meshing with the first worm gear 800, and the transmission component 700 connected to the connector 200 through the worm 900 and the first worm gear 800.
[0043] In this embodiment, the transmission component 700 is connected to the connecting component 200 via a first worm gear 800 and a worm 900. The transmission component 700 transmits the power from the rotating rod 500 to the worm 900, which meshes with the first worm gear 800. The first worm gear 800 is fixedly connected to the connecting component 200, and its rotation drives the connecting component 200 to rotate. The first worm gear 800 and the worm 900 enable the connecting component 200 to self-lock after rotation. After the rotating component rotates, the clamp 300 and the driving component 400 will not continue to rotate or reset under the influence of gravity.
[0044] Furthermore, there are two rotating rods 500 and two clutches 600. The driving member 400 is located between the two rotating rods 500 and also includes a first bevel gear 1000 disposed on the driving member 400; there are two second bevel gears 1100, which are respectively disposed on the two clutches 600, and the second bevel gears 1100 mesh with the first bevel gears 1000 for transmission.
[0045] In this embodiment, two rotating rods 500 are located on both sides of the driving member 400. The driving member 400 is driven by the meshing of a first bevel gear 1000 and a second bevel gear 1100, causing the two second bevel gears 1100 to rotate in different directions. Two clutches 600 allow the two rotating rods 500 to rotate in two different directions. The rotation directions of the two rotating rods 500, transmitted through the transmission member 700 to the worm gear 900, are also different. Changing the rotation direction of the worm gear 900 can change the tilting direction of the clamp 300 and the driving member 400. When the driving member 400 rotates in only one direction, selecting a clutch 600 to connect with the rotating rod 500 allows the clamp 300 and the driving member 400 to tilt in different directions, making angle adjustment more convenient.
[0046] Furthermore, the transmission component 700 includes two transmission wheels 1200, each mounted on one of the two rotating rods 500; two transmission rods 710, each rotatably mounted on the bracket 100, with each transmission wheel 1200 driving one transmission rod 710 to rotate; two third bevel gears 720, each mounted on one of the two transmission rods 710; and two fourth bevel gears 730, each mounted on the worm gear 900, with the two third bevel gears 720 meshing with the two fourth bevel gears 730 respectively.
[0047] In this embodiment, two transmission wheels 1200 are respectively fixed on a rotating rod 500. The transmission wheels 1200 rotate with the rotating rod 500, and the transmission wheels 1200 drive the transmission rod 710 to rotate via a chain. The transmission rod 710 is connected to the fourth bevel gear 730 on the worm gear 900 via a third bevel gear 720. Through the transmission method of the third bevel gear 720 and the fourth bevel gear 730, the rotation in the axial direction of the transmission rod 710 can be transmitted to the rotation in the axial direction of the worm gear 900. The chain drive method between the transmission wheels 1200 and the transmission rod 710 makes it easier to avoid the driving component 400 and prevent the driving component 400 from affecting the transmission connection between the transmission wheels 1200 and the transmission rod 710.
[0048] Furthermore, the axes of the two rotating rods 500 are the same as the rotation axis of the connecting piece 200.
[0049] In this embodiment, the axes of the two rotating rods 500 are the same as the rotation axis of the connector 200. After the connector 200 rotates, the drive component 400 also rotates with the connector 200. The rotating rods 500 and the connector 200 are on the same axis, which not only keeps the first bevel gear 1000 and the second bevel gear 1100 in a meshing state, but also prevents the position change of the rotating rods 500 after the connector 200 rotates from affecting the transmission connection between the transmission wheel 1200 and the transmission rod 710.
[0050] Furthermore, it also includes: a support plate 1300 is rotatably mounted on the connector 200, the support plate 1300 is located at the bottom of the clamp 300, and the rotation axis of the support plate 1300 is the same as the rotation axis of the clamp 300.
[0051] In this embodiment, the support plate 1300 not only supports the cylinder and flange, making them more stable during welding, but also is more suitable for grounding, thus stabilizing the electrical circuit during welding.
[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An auxiliary device for welding a cylinder to a flange, characterized in that, include: Bracket (100); The connector (200) is rotatably mounted on the bracket (100); A clamp (300) is rotatably mounted on the connector (200). The clamp (300) is used to clamp the cylinder and the flange. The rotation axis of the clamp (300) is perpendicular to the rotation axis of the connector (200). A drive member (400) is disposed on the connector (200), and the drive member (400) is used to drive the clamp (300) to rotate; The rotating rod (500) is rotatably mounted on the connecting member (200); A clutch (600) is disposed on the rotating rod (500). The clutch (600) is connected to the driving member (400) in a transmission manner. The driving member (400) drives the rotating rod (500) to rotate through the clutch (600). The transmission component (700) is connected at both ends to the rotating rod (500) and the connecting component (200), and the transmission component (700) is used to transmit motion.
2. The auxiliary device for welding the cylinder and flange according to claim 1, characterized in that, Also includes: The first worm gear (800) is disposed on the connecting member (200); The worm (900) is rotatably mounted on the bracket (100), and the worm (900) meshes with the first worm wheel (800). The transmission member (700) is connected to the connector (200) through the worm (900) and the first worm wheel (800).
3. The auxiliary device for welding the cylinder and flange according to claim 1, characterized in that, Both the rotating rod (500) and the clutch (600) are two in number, and the driving member (400) is located between the two rotating rods (500). The system also includes: The first bevel gear (1000) is disposed on the drive member (400); There are two second bevel gears (1100), which are respectively disposed on the two clutches (600). The second bevel gear (1100) meshes with the first bevel gear (1000) for transmission.
4. The auxiliary device for welding the cylinder and flange according to claim 2, characterized in that, The transmission component (700) includes: There are two transmission wheels (1200), which are respectively mounted on the two rotating rods (500); There are two transmission rods (710), both of which are rotatably mounted on the bracket (100), and each transmission wheel (1200) drives one of the transmission rods (710) to rotate; The third bevel gear (720) has two, which are respectively disposed on the two transmission rods (710); There are two fourth bevel gears (730), both of which are mounted on the worm (900), and the two third bevel gears (720) mesh with the two fourth bevel gears (730) respectively.
5. The auxiliary device for welding the cylinder and flange according to claim 1, characterized in that, The axes of the two rotating rods (500) are the same as the rotation axis of the connector (200).
6. The auxiliary device for welding the cylinder and flange according to claim 1, characterized in that, Also includes: A support plate (1300) is rotatably mounted on the connector (200). The support plate (1300) is located at the bottom of the clamp (300), and the rotation axis of the support plate (1300) is the same as the rotation axis of the clamp (300).