Welding mechanism for hydraulic oil cylinder
By using the limiting and guiding design of the welding mechanism for hydraulic cylinders, the cylinder barrel and the oil port joint can be quickly aligned and stably positioned, solving the alignment problem in traditional welding, improving welding quality and production efficiency, and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANHU DALI HYDRAULIC MASCH CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-10
AI Technical Summary
In the production of hydraulic cylinders, it is difficult to quickly and accurately align the cylinder barrel and the oil port joint during welding. Furthermore, human operation can easily lead to displacement of the welding position, affecting sealing and strength, and increasing the defect rate and production costs.
A welding mechanism for hydraulic cylinders is adopted, which achieves rapid alignment of the oil port connector with the cylinder barrel through the cooperation of the limiting column and the guide column, and uses an electric telescopic rod to drive the mounting plate to rise, so as to achieve positioning welding without manual assistance.
It improves the precision and stability of welding, reduces the risk of human error, increases product yield, and reduces production costs.
Smart Images

Figure CN224102111U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic cylinder processing technical field especially relates to a kind of welding mechanism for hydraulic cylinder. BACKGROUND
[0002] In the production and manufacture of hydraulic cylinder, the welding of cylinder barrel and oil port joint is one of the key processes, and the welding quality directly affects the overall performance and service life of hydraulic cylinder.
[0003] Under the traditional welding mode, due to the structural characteristics of cylinder barrel and oil port joint, it is difficult to quickly and accurately align the oil port joint and the cylinder barrel to be welded during welding, which not only increases the difficulty of welding operation, but also prolongs the welding preparation time and reduces the production efficiency.
[0004] More importantly, in order to ensure the relative position stability of joint and cylinder barrel during welding process, the user often needs to hold the oil port joint for welding operation, which requires high operation skill and concentration of the user, and is easily affected by human factors, which may cause welding position deviation, poor welding and other quality problems, thereby affecting the sealing and strength of hydraulic cylinder and increasing the product failure rate and production cost. SUMMARY
[0005] The utility model aims at solving the shortcomings in the prior art, and provides a welding mechanism for hydraulic cylinder, which can quickly align the oil port joint and the cylinder barrel to be welded during actual use, and avoids the welding quality problems caused by misoperation.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A welding mechanism for hydraulic cylinder, comprising a cylinder barrel body and two oil port joint bodies; a welding table is provided with a welding assembly on the right side; an installation mechanism is used to install the cylinder barrel body and the two oil port joint bodies, the installation mechanism comprises a rectangular groove opened on the upper end of the welding table, an installation plate is arranged in the rectangular groove, two limiting columns are fixedly connected to the upper end of the installation plate in a symmetrical manner, and a guide column is fixedly connected to the upper end of each limiting column; a moving support mechanism is used to move the installation mechanism.
[0008] Preferably, the radius of the limiting column is greater than the radius of the guide column.
[0009] Preferably, the upper end of the welding table is fixedly connected with an L-shaped support plate.
[0010] Preferably, the moving support mechanism comprises a U-shaped frame fixedly connected to the lower end of the welding table, and an electric telescopic rod is installed at the upper end of the horizontal part of the U-shaped frame.
[0011] Preferably, the telescopic end of the electric telescopic rod extends into the rectangular groove and is fixedly connected to the lower end of the mounting plate.
[0012] Preferably, the upper end of the mounting plate is fixedly connected with two U-shaped guide rods in a symmetrical manner, and the other vertical part of the two U-shaped guide rods penetrates the welding table and is slidingly connected.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] In actual use, the oil port joint is quickly aligned with the cylinder barrel to be welded, the installation and positioning are convenient and efficient, after the moving support mechanism is started, the electric telescopic rod drives the mounting plate to ascend, the workpiece is tightly positioned, the user does not need to manually hold the welding, artificial misoperation is avoided, the stable workpiece position ensures the welding quality, welding quality problems caused by unstable manual holding are effectively reduced, the product yield is improved, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A structural schematic view of the welding mechanism for the hydraulic oil cylinder is provided in the utility model;
[0016] Figure 2 A front view schematic view; Figure 1
[0017] Figure 3 A split schematic view when the cylinder barrel body and the oil port joint body are installed;
[0018] Figure 4 A contact schematic view when the cylinder barrel body and the oil port joint body are installed.
[0019] In the drawings: 1 welding table, 2 L-shaped support plate, 3 welding assembly, 4 rectangular groove, 5 U-shaped guide rod, 6 limiting column, 7 guide column, 8 mounting plate, 9 U-shaped frame, 10 electric telescopic rod, 11 cylinder barrel body, 12 oil port joint body. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0021] Referring to Figures 1-4 A welding mechanism for a hydraulic oil cylinder, comprising a cylinder barrel body 11 and two oil port joint bodies 12;
[0022] The welding assembly 3 is a manual welder and is composed of a control structure and a welding structure.
[0023] The mounting mechanism is used for mounting the cylinder barrel body 11 and the two oil port connector bodies 12, and comprises a rectangular groove 4 formed in the upper end of the welding table 1, and the rectangular groove 4 is provided with a mounting plate 8, the upper end of the mounting plate 8 is fixedly connected with two limiting columns 6 in a symmetrical manner, the upper ends of the two limiting columns 6 are fixedly connected with guide columns 7, and the radius of the limiting column 6 is greater than the radius of the guide column 7.
[0024] The moving support mechanism is used for moving the mounting mechanism, and comprises a U-shaped frame 9 fixedly connected to the lower end of the welding table 1, an electric telescopic rod 10 mounted on the horizontal portion of the upper end of the U-shaped frame 9, the telescopic end of the electric telescopic rod 10 extends into the rectangular groove 4 and is fixedly connected with the lower end of the mounting plate 8, the upper end of the mounting plate 8 is fixedly connected with two U-shaped guide rods 5 in a symmetrical manner, the other vertical portions of the two U-shaped guide rods 5 penetrate through the welding table 1 and are in sliding connection, and the upper end of the welding table 1 is fixedly connected with an L-shaped support plate 2.
[0025] In the utility model, firstly, the workpiece mounting operation is carried out, the horizontal portions of the two oil port connector bodies 12 are downwardly aligned with the guide columns 7 on the mounting mechanism and are limitingly inserted, so that the oil port connector bodies 12 are preliminarily positioned on the mounting mechanism, then, the connecting ports of the cylinder barrel body 11 are also inserted into the guide columns 7, and then the oil port connector bodies 12 are rotated to allow the oil port connector bodies 12 to cooperate with the cylinder barrel body 11, so that the arc surfaces of the oil port connector bodies 12 and the cylinder barrel body 11 are completely attached, and thus the installation and positioning of the workpiece are completed.
[0026] Then, the moving support mechanism is started, the electric telescopic rod 10 is elongated, the electric telescopic rod 10 drives the mounting plate 8 to move upwardly, along with the upward movement of the mounting plate 8, the oil port connector bodies 12 and the cylinder barrel body 11 mounted thereon are also lifted together, until the upper end surface of the cylinder barrel body 11 contacts the L-shaped support plate 2, the limiting abutting limiting operation is completed, then the welding assembly 3 mounted on the right side of the welding table 1 is used to start the manual welding work, and the welding of the to-be-welded portions of the cylinder barrel body 11 and the oil port connector bodies 12 can be carried out.
[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A welding mechanism for a hydraulic cylinder, characterized in that, Comprise: Cylinder body (11) and two oil port joint body (12) ; Welding table (1), the right side of the welding table (1) is provided with a welding assembly (3); The mounting mechanism is used for mounting the cylinder body (11) and the two oil port joint body (12), and the mounting mechanism comprises a rectangular groove (4) opened in the upper end of the welding table (1), a mounting plate (8) is arranged in the rectangular groove (4), the upper end of the mounting plate (8) is fixedly connected with two limiting columns (6) in a symmetrical manner, and the upper ends of the two limiting columns (6) are fixedly connected with guide columns (7); The moving support mechanism is used for moving the mounting mechanism.
2. The welding mechanism for a hydraulic cylinder according to claim 1, characterized by The radius of the limiting column (6) is greater than the radius of the guide column (7).
3. The welding mechanism for a hydraulic cylinder according to claim 1, wherein The upper end of the welding table (1) is fixedly connected with an L-shaped support plate (2).
4. The welding mechanism for a hydraulic cylinder according to claim 1, wherein The moving support mechanism comprises a U-shaped frame (9) fixedly connected to the lower end of the welding table (1), and an electric telescopic rod (10) is mounted on the upper end of the horizontal part of the U-shaped frame (9).
5. The welding mechanism for a hydraulic cylinder according to claim 4, wherein The telescopic end of the electric telescopic rod (10) extends into the rectangular groove (4) and is fixedly connected with the lower end of the mounting plate (8).
6. The welding mechanism for a hydraulic cylinder according to claim 4, wherein The upper end of the mounting plate (8) is fixedly connected with two U-shaped guide rods (5) in a symmetrical manner, and the other vertical part of the two U-shaped guide rods (5) penetrates the welding table (1) and is slidably connected.