Angle-adjustable welding roller carrier

Abstract

The utility model relates to the technical field of welding roller carriers, in particular to an angle-adjustable welding roller carrier. According to the technical scheme, the device comprises a U-shaped moving seat and a rotating plate, one side of the lower surface of the rotating plate is rotationally connected with a multi-stage hydraulic cylinder, the output end of the multi-stage hydraulic cylinder is rotationally connected with the bottom of the inner wall of the U-shaped moving seat, and the side, away from the multi-stage hydraulic cylinder, of the outer surface of the rotating plate is rotationally connected with the inner wall of the U-shaped moving seat; u-shaped moving frames are symmetrically arranged at the positions, close to the front surface and the rear surface, of the upper surface of the rotating plate, a supporting rotating roller is rotationally installed in each U-shaped moving frame, sliding rings are slidably connected to the positions, close to the two ends, of the outer surface of each supporting rotating roller in a sleeving mode, and a limiting baffle ring is fixedly connected to the inner side of each sliding ring. The angle of a weldment can be adjusted, so that welding work is facilitated, meanwhile, the limiting effect on the weldment after angle adjustment is achieved, and the inclined weldment is prevented from sliding off from the roller carrier.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding roller stand technical field, concretely is a kind of angle adjustable welding roller stand. BACKGROUND

[0002] Welding roller stand is a kind of welding auxiliary equipment, mainly used to drive cylindrical welding piece rotation, to complete the welding of annular weld, welding roller stand is widely used in industry field, it can improve work efficiency, reduce the risk in welding process, and by with welding operation machine, welding positioner and other equipment combination use, can realize automatic welding, suitable for welding of inner and outer ring seam, fillet weld and inner and outer longitudinal seam.

[0003] The existing angle adjustable welding roller stand in the process of using, when welding piece angle is adjusted, will be inclined, there is the risk of sliding off from roller stand, for this purpose, we propose a kind of angle adjustable welding roller stand. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of angle adjustable welding roller stand, with the welding piece angle can be adjusted, to facilitate the welding work is carried out, the welding piece after angle adjustment is limited simultaneously, prevent the inclined welding piece from sliding off from the advantages of roller stand, solve the existing angle adjustable welding roller stand in the process of using, when welding piece angle is adjusted, will be inclined, there is the risk of sliding off from roller stand problem.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of angle adjustable welding roller stand, including U type mobile seat and rotating plate, the lower surface one side of rotating plate is rotatably connected with multistage hydraulic cylinder, and multistage hydraulic cylinder output end and the bottom of U type mobile seat inner wall are rotatably connected, the outer surface of rotating plate is rotatably connected with U type mobile seat inner wall on the side away from multistage hydraulic cylinder, the upper surface of rotating plate is symmetrically arranged with U type mobile frame near front surface and rear surface position, each U type mobile frame is rotatably installed with support roller in each U type mobile frame, each support roller outer surface is close to the position of both ends and is slidably connected with sliding ring, each sliding ring inner side is fixedly connected with limit stop ring, each sliding ring outer surface is provided with threaded hole, and each threaded hole is movably inserted with locking screw.

[0006] Preferably, the lower surface of the U type mobile seat is close to the position of four corners and is provided with locking mobile wheel.

[0007] Preferably, the inner wall of each sliding ring is close to the position of threaded hole and is provided with recess, and the recess is movably installed with arc friction block in each recess.

[0008] Preferably, a sliding groove is arranged at the middle position of the upper surface of the rotating plate, and a bidirectional screw rod is rotatably arranged in the sliding groove.

[0009] Preferably, a hand wheel is fixedly connected to the end of the bidirectional screw rod.

[0010] Preferably, dovetail sliding grooves are symmetrically arranged at the two side positions of the upper surface of the rotating plate, and a dovetail sliding block is fixedly arranged at the two side positions of the lower surface of each U-shaped moving frame and located in the dovetail sliding groove.

[0011] Compared with the prior art, the welding device has the following beneficial effects:

[0012] 1、The U-shaped moving seat, the U-shaped moving frame, the supporting rotating roller, the rotating plate, the multi-stage hydraulic cylinder, the sliding ring, the limiting baffle ring, the threaded hole and the locking screw are arranged, so that the welding piece angle can be adjusted, the welding work is facilitated, the limiting effect on the welding piece after the angle adjustment is achieved, the effect of preventing the inclined welding piece from sliding off the roller frame is achieved, the welding piece is placed on the two supporting rotating rollers, the locking screw is screwed to lock and fix the sliding ring, the limiting baffle ring limits and blocks the two ends of the welding piece, when the multi-stage hydraulic cylinder drives the rotating plate to rotate to adjust the welding piece angle, the limiting baffle ring can limit the sliding of the welding piece to avoid the sliding of the welding piece.

[0013] 2、The groove and the arc-shaped friction block are arranged, so that the stability of the sliding ring on the supporting rotating roller is improved, the effect of avoiding causing large abrasion on the surface of the supporting rotating roller is achieved, the arc-shaped friction block is in contact with the surface of the supporting rotating roller after the locking screw is screwed, the friction contact area is increased, the friction force is improved, and thus the stability of the sliding ring is improved, and the large abrasion on the surface of the supporting rotating roller is avoided.

[0014] 3、The bidirectional screw rod, the sliding groove and the threaded sliding block are arranged, so that the welding device can be applied to welding pieces with different outer diameters, the applicability is improved, the bidirectional screw rod is driven to rotate by the hand wheel, so that the two threaded sliding blocks drive the two U-shaped moving frames to move oppositely or reversely, so that the two supporting rotating rollers can place welding pieces with different outer diameters. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the sliding ring of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 1A magnified structural diagram of A in the middle;

[0018] Figure 4 This is a schematic diagram of the main cross-sectional structure of this utility model.

[0019] Reference numerals in the attached diagram: 1. Locking moving wheel; 2. U-shaped moving seat; 3. U-shaped moving frame; 4. Supporting roller; 5. Rotating plate; 6. Sliding ring; 7. Dovetail groove; 8. Dovetail slider; 9. Locking screw; 10. Threaded hole; 11. Groove; 12. Arc-shaped friction block; 13. Limiting ring; 14. Threaded slider; 15. Sliding groove; 16. Handwheel; 17. Two-way lead screw; 18. Multi-stage hydraulic cylinder. Detailed Implementation

[0020] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] Example 1

[0022] like Figure 1 , Figure 2 and Figure 4 As shown, this utility model proposes an angle-adjustable welding roller frame, including a U-shaped movable seat 2 and a rotating plate 5. Locking wheels 1 are provided on the lower surface of the U-shaped movable seat 2 near the four corners. The U-shaped movable seat 2 is moved and fixed by the four locking wheels 1. A multi-stage hydraulic cylinder 18 is rotatably connected to one side of the lower surface of the rotating plate 5, and the output end of the multi-stage hydraulic cylinder 18 is rotatably connected to the bottom of the inner wall of the U-shaped movable seat 2. The outer surface of the rotating plate 5, away from the multi-stage hydraulic cylinder 18, is rotatably connected to the inner wall of the U-shaped movable seat 2. The multi-stage hydraulic cylinder 18 drives the rotating plate 5 to rotate. U-shaped movable frames 3 are symmetrically arranged on the upper surface of the rotating plate 5 near the front and rear surfaces. Each U-shaped movable frame 3 has a supporting rotating mechanism rotatably installed inside. Roller 4, the weldment is placed on two supporting rollers 4. The angle of the weldment can be adjusted when the rotating plate 5 rotates. Each supporting roller 4 has a sliding ring 6 slidably sleeved on its outer surface near both ends. Each sliding ring 6 has a limit stop ring 13 fixedly connected to its inner side. Each sliding ring 6 has a threaded hole 10 on its outer surface. Each threaded hole 10 has a locking screw 9 movably inserted inside it. Each sliding ring 6 has a groove 11 near the threaded hole 10 on its inner wall. Each groove 11 has an arc-shaped friction block 12 movably installed inside it. The arc-shaped friction block 12 contacts the surface of the supporting roller 4, which increases the friction contact area and improves the friction force, thereby improving the stability of the sliding ring 6 and avoiding large wear on the surface of the supporting roller 4.

[0023] When this utility model is in use, the workpiece is placed on two supporting rollers 4, and the locking screw 9 is turned to lock and fix the sliding ring 6. Then the limiting ring 13 limits and blocks both ends of the workpiece. When the multi-stage hydraulic cylinder 18 drives the rotating plate 5 to rotate to adjust the angle of the workpiece, the limiting ring 13 can restrict the sliding of the workpiece to prevent the workpiece from slipping.

[0024] Example 2

[0025] As shown in the figure Figure 3 Hezhi Figure 4 As shown, the present invention proposes an angle-adjustable welding roller frame. Compared with Embodiment 1, this embodiment further includes a sliding groove 15 at the middle position of the upper surface of the rotating plate 5. A bidirectional lead screw 17 is rotatably installed inside the sliding groove 15. A threaded slider 14 is fixedly installed at the middle position of the lower surface of each U-shaped moving frame 3, and the threaded slider 14 is movably sleeved on the outer surface of the bidirectional lead screw 17. The threaded slider 14 is located inside the sliding groove 15. A handwheel 16 is fixedly connected to the end of the bidirectional lead screw 17. Dovetail grooves 7 are symmetrically provided on both sides of the upper surface of the rotating plate 5. A dovetail slider 8 is fixedly installed on both sides of the lower surface of each U-shaped moving frame 3, and the dovetail slider 8 is located inside the dovetail groove 7. The arrangement of the dovetail grooves 7 and dovetail sliders 8 can improve the stability of the U-shaped moving frame 3.

[0026] In this embodiment, the handwheel 16 drives the bidirectional lead screw 17 to rotate, thereby driving the two threaded sliders 14 to move the two U-shaped moving frames 3 in opposite directions or in reverse, so that welding parts with different outer diameters can be placed on the two supporting rollers 4, thus improving applicability.

[0027] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An angle-adjustable welding roller frame, comprising a U-shaped movable seat (2) and a rotating plate (5), characterized in that: A multi-stage hydraulic cylinder (18) is rotatably connected to one side of the lower surface of the rotating plate (5), and the output end of the multi-stage hydraulic cylinder (18) is rotatably connected to the bottom of the inner wall of the U-shaped moving seat (2). The outer surface of the rotating plate (5) away from the multi-stage hydraulic cylinder (18) is rotatably connected to the inner wall of the U-shaped moving seat (2). U-shaped moving frames (3) are symmetrically provided on the upper surface of the rotating plate (5) near the front and rear surfaces. A support roller (4) is rotatably installed inside each U-shaped moving frame (3). A sliding ring (6) is slidably sleeved on the outer surface of each support roller (4) near both ends. A limit stop ring (13) is fixedly connected to the inner side of each sliding ring (6). A threaded hole (10) is provided on the outer surface of each sliding ring (6). A locking screw (9) is movably inserted into the threaded hole (10).

2. The angle-adjustable welding roller frame according to claim 1, characterized in that: Locking wheels (1) are provided on the lower surface of the U-shaped movable seat (2) near the four corners.

3. The angle-adjustable welding roller frame according to claim 1, characterized in that: Each of the sliding rings (6) has a groove (11) on its inner wall near the threaded hole (10), and an arc-shaped friction block (12) is movably installed inside each of the grooves (11).

4. The angle-adjustable welding roller frame according to claim 1, characterized in that: A sliding groove (15) is provided at the middle position of the upper surface of the rotating plate (5). A bidirectional lead screw (17) is rotatably installed inside the sliding groove (15). A threaded slider (14) is fixedly installed at the middle position of the lower surface of each U-shaped moving frame (3), and the threaded slider (14) is movably sleeved on the outer surface of the bidirectional lead screw (17).

5. The angle-adjustable welding roller frame according to claim 4, characterized in that: A handwheel (16) is fixedly connected to the end of the bidirectional lead screw (17).

6. The angle-adjustable welding roller frame according to claim 4, characterized in that: The rotating plate (5) is provided with dovetail grooves (7) symmetrically on both sides of the upper surface. Each U-shaped moving frame (3) is fixedly installed with a dovetail slider (8) on both sides of the lower surface, and the dovetail slider (8) is located inside the dovetail groove (7).

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