A kind of ring seam welding equipment of tensioning oil cylinder body assembly

By designing a circumferential welded equipment for tension cylinder body components, the mechanical positioning and clamping of the cylinder barrel and lugs are achieved using clamping and driving components. Combined with laser welding technology, the problem of positional displacement caused by manual operation is solved, thereby improving welding quality and efficiency.

CN224927324UActive Publication Date: 2026-11-03GOLDPEAK ENG SPRING (WUXI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522570597.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-03
Publication Date
2026-11-03
Estimated Expiration
2035-12-03

AI Technical Summary

Technical Problem

In small and medium-sized enterprises, the circumferential welding process of the tensioning cylinder body assembly relies on manual operation, which leads to the relative positional shift of the cylinder and the lug, resulting in welding tilt, low production efficiency, and serious waste of human resources.

Method used

A circumferential welder for a tensioning cylinder body assembly is used. The clamping and driving components are used to achieve mechanical positioning and clamping of the cylinder barrel and the lug. A robotic arm replaces manual support, and laser welding technology is used for automated welding.

Benefits of technology

It eliminates positional shifts caused by hand tremors and workpiece weight, improving welding quality and production efficiency while reducing manual intervention.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224927324U_ABST
    Figure CN224927324U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of ring seam welding equipment of tensioning oil cylinder cylinder body assembly, including bottom plate, clamping assembly is equipped on the bottom plate, the upper surface of the bottom plate is fixedly connected with fixed frame, the bottom of fixed frame is movably connected with carrier plate, the top of fixed frame is equipped with the first drive component of driving carrier plate rotation, the bottom of carrier plate is fixedly connected with two first sliding rails, sliding bracket is movably connected between two first sliding rails, the bottom of carrier plate side position position is equipped with the second drive component of driving sliding bracket along first sliding rail movement, the bottom of sliding bracket is fixedly connected with second sliding rail, the utility model not only can be replaced by mechanical fixation hand holding, eliminate operator hand fatigue tremor and the relative position deviation caused by workpiece deadweight, also can be rotated by carrier plate driving the component of its bottom whole, and then make workpiece follow its rotation and realize ring seam welding.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to a circumferential weld equipment for a tensioning cylinder body assembly. Background Technology

[0002] In fields such as engineering machinery and hydraulic systems, tensioning cylinders are key actuators. Their cylinder assembly typically consists of a cylindrical cylinder barrel and an clevis serving as a connecting fulcrum, welded together. The quality of this circumferential weld directly determines the overall structural strength and reliability of the cylinder.

[0003] Currently, in the actual production processes of small and medium-sized enterprises, the process of welding earrings to the cylinder is still generally carried out using a very traditional manual operation mode. Specifically, it requires two operators to work together: one worker is responsible for holding and supporting the cylinder and earring, roughly aligning them by visual inspection and experience; the other worker holds the welding torch and performs circumferential welding around the joint. Relying entirely on manual support, the relative position of the cylinder and earring is easily shifted uncontrollably during the welding process due to factors such as operator hand fatigue and the weight of the workpiece, resulting in a serious quality problem of "welding tilt". In addition, the production efficiency is low and human resources are wasted. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a circumferential weld equipment for tensioning cylinder body components.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A circumferential welder for a tensioning cylinder body assembly includes a base plate with a clamping assembly. A fixed frame is fixedly connected to the upper surface of the base plate, and a carrier plate is movably connected to the bottom of the fixed frame. A first drive assembly for rotating the carrier plate is provided at the top of the fixed frame. Two first slide rails are fixedly connected to the bottom of the carrier plate, and a slide is movably connected between the two first slide rails. A second drive assembly for moving the slide along the first slide rails is provided at the bottom of the side of the carrier plate. A second slide rail is fixedly connected to the bottom of the slide, and a first clamping frame is movably connected to the outer side of the second slide rail. Two first clamping blocks are fixed to one side of the first clamping frame by bolts. A power assembly for moving the first clamping frame along the second slide rails is provided on the slide.

[0006] As a further embodiment of this utility model, the clamping assembly includes a support plate, which is fixed to the upper surface of the base plate by bolts. Two third guide rails are fixedly connected to the side of the support plate, and a second clamping frame is movably connected to the outer side of each of the two third guide rails. A connecting frame is fixedly connected to one end of the second clamping frame, and two second clamping blocks are movably connected to the connecting frame. A second double-headed pull rod cylinder is fixedly connected to the side of the support plate, and the two piston rods of the second double-headed pull rod cylinder are respectively fixed to the second clamping frame at the corresponding position.

[0007] As a further embodiment of this utility model, the first drive assembly includes a geared motor, which is fixed to the top of the mounting frame by bolts, and one end of the output shaft of the geared motor passes through the mounting frame and is fixed to the carrier plate.

[0008] As a further embodiment of this utility model, the second drive assembly includes an electric push rod, which is fixed to the carrier plate by bolts, and the extended end of the electric push rod is fixed to the slide.

[0009] As a further embodiment of this utility model, the power assembly includes a first double-ended tie rod cylinder, which is fixed to the bottom of the slide by bolts, and the two piston rods of the first double-ended tie rod cylinder are fixed to a first clamping frame at an adjacent position.

[0010] As a further embodiment of this invention, the first clamping block is located above the second clamping block.

[0011] As a further embodiment of this utility model, a lifting component is fixed to the upper surface of the base plate by bolts.

[0012] The beneficial effects of this utility model are as follows: 1. By setting up the clamping components and the first clamping block, the cylinder and the earring are positioned and clamped respectively, eliminating the need for manual hand holding. Mechanical fixation replaces manual support, eliminating operator hand fatigue and tremors and relative positional displacement caused by the weight of the workpiece, changing the traditional two-person collaboration mode and reducing manual intervention.

[0013] 2. By setting the first drive component, the carrier plate drives the components at its bottom to rotate as a whole, thereby making the workpiece follow its rotation to achieve circumferential welding, which improves the effectiveness of the device.

[0014] 3. This utility model uses a second drive assembly to drive the slide to move, achieving docking contact between the earring and the cylinder weld joint, thus improving the processing effect of the device. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a circumferential welded equipment for a tensioning cylinder body assembly proposed in this utility model; Figure 2 This is a partially enlarged structural diagram of a circumferential welded assembly for a tensioning cylinder according to the present invention. Figure 3 This is a partial cross-sectional view of a tensioning cylinder body assembly circumferential weld equipment proposed in this utility model. Figure 4 This is a schematic diagram of the lifting component structure of a tensioning cylinder body assembly circumferential welded equipment proposed in this utility model.

[0016] In the diagram: 1. Carrier plate; 2. Gear motor; 3. Fixing frame; 4. Lifting component; 5. Base plate; 6. First clamping block; 7. First double-headed pull rod cylinder; 8. Slide carriage; 9. First slide rail; 10. Second slide rail; 11. First clamping frame; 12. Second double-headed pull rod cylinder; 13. Second clamping frame; 14. Support plate; 15. Connecting frame; 16. Second clamping block; 17. Electric push rod. Detailed Implementation

[0017] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Therefore, all other embodiments of this application described herein, and all embodiments obtained by those skilled in the art without creative effort based on the embodiments in this application, should fall within the scope of protection of this application.

[0018] Reference Figures 1-4 A tensioning cylinder body assembly circumferential weld equipment includes a base plate 5, and a lifting component 4 is fixed to the upper surface of the base plate 5 by bolts. The lifting component 4 is used to fix the welding mechanism. The upper surface of the base plate 5 is fixed with a fixing frame 3 by bolts. The bottom of the fixing frame 3 is rotatably connected to the carrier plate 1 by a bearing. The top of the fixing frame 3 is provided with a first drive assembly that drives the carrier plate 1 to rotate. The first drive assembly includes a geared motor 2, which is fixed to the top of the mounting frame 3 by bolts. The geared motor 2 is electrically connected to an encoder, and one end of the output shaft of the geared motor 2 passes through the mounting frame 3 and is fixed to the carrier plate 1. Two first slide rails 9 are welded to the bottom of the carrier plate 1. A slide 8 is slidably connected between the two first slide rails 9. A second slide rail 10 is fixed to the bottom of the slide 8 by bolts. A first clamping frame 11 is slidably connected to the outside of the second slide rail 10. Two first clamping blocks 6 are welded to one side of the first clamping frame 11. The first clamping blocks 6 are cylindrical. The slide 8 is equipped with a power assembly that drives the first clamping frame 11 to move along the second slide rail 10. The power assembly includes a first double-headed tie rod cylinder 7. The first double-headed tie rod cylinder 7 is fixed to the bottom of the slide 8 by bolts. The two piston rods of the first double-headed tie rod cylinder 7 are fixed to the first clamping frame 11 at the adjacent position. The first double-headed tie rod cylinder 7 is connected and fixed to the hose of the external air supply equipment through a rotating air pipe joint and a synchronization valve. The rotation of the geared motor 2 causes the carrier plate 1 to rotate, thereby causing the components connected to the bottom of the carrier plate 1 to rotate as a whole, which in turn causes the clamped workpiece to rotate, enabling the welding mechanism on the lifting component 4 to perform circumferential welding on the cylinder and the ear ring docking part. like Figure 3 As shown, a clamping assembly is provided on the base plate 5. The clamping assembly includes a support plate 14, which is fixed to the upper surface of the base plate 5 by bolts. The side of the support plate 14 is fixed with two third guide rails by bolts. The outer sides of the two third guide rails are slidably connected with second clamping frames 13. A connecting frame 15 is welded to one end of the second clamping frame 13. Two second clamping blocks 16 are rotatably connected to the connecting frame 15. The second clamping blocks 16 are roller-shaped. A second double-headed tie rod cylinder 12 is fixed to the side of the support plate 14 by bolts. The two piston rods of the second double-headed tie rod cylinder 12 are respectively fixed to the second clamping frame 13 at the corresponding position. The second double-headed tie rod cylinder 12 is connected to an external air supply system through an air pipe and a synchronization valve. The cylinder is positioned by the clamping assembly, the cylinder and the earring are vertically aligned, and the cylinder is placed in the gap between the two sets of second clamping blocks 16. The second double-headed pull rod cylinder 12 is activated, and its two piston rods will drive the corresponding second clamping frame 13 to slide on the third guide rail, so that the second clamping blocks 16 gradually approach and clamp the cylinder.

[0019] It should be noted that a second drive assembly is provided at the bottom of the side of the carrier plate 1 to drive the slide 8 to move along the first slide rail 9; The second drive assembly includes an electric push rod 17, which is electrically connected to an encoder. The electric push rod 17 is fixed to the carrier plate 1 by bolts. The extended end of the electric push rod 17 is fixed to the slide 8. The electric push rod 17 extends and pushes the slide 8 to move along the first slide rail 9, so that the components connected to the bottom of the slide 8 move with it until the clamped ear and the welded joint of the cylinder are in contact.

[0020] Place the earring to be welded into the gap between the two first clamping blocks 6 located on the same horizontal plane, and make the welding point of the earring vertically downward. Activate the first double-headed pull rod cylinder 7 to push the first clamping frame 11 to move along the second slide rail 10, so that the first clamping block 6 clamps the earring, and the first clamping block 6 is located above the second clamping block 16.

[0021] The first double-headed tie rod cylinder 7 and the second double-headed tie rod cylinder 12 are both Guanpu double-headed standard tie rod cylinders, model SCW32X100X100, and both the first double-headed tie rod cylinder 7 and the second double-headed tie rod cylinder 12 are equipped with absolute encoders.

[0022] like Figure 4 As shown, the lifting component 4 includes a lifting platform, a lifting machine 401, and a lifting seat 402. The lifting platform is fixedly installed on the base 5. The lifting machine 401 is installed on the lifting platform. The lifting machine 401 is a screw jack and is electrically connected to an encoder. The screw of the lifting machine 401 has a matching slider nut. The slider nut is fixedly connected to the lifting seat 402. The welding gun head 403 of an external welding machine can be fixed on the lifting seat 402. For example, a laser welding machine can be selected as the welding equipment, which includes a laser generator, an optical transmission system, a motion control system, a cooling system, and a control system. The welding torch 403 is the end-effector of the optical transmission system. Its working principle is to generate a high-energy laser beam through a laser generator, which is then focused by an optical system to irradiate the workpiece. The laser energy is used to melt the material and form a welded joint.

[0023] A PLC controller is connected between the geared motor 2, the lifting platform 401, the welding gun head 403, the first double-headed tie rod cylinder 7, the second double-headed tie rod cylinder 12, and the electric push rod 17.

[0024] Working principle: When circumferential welding is required at the joint between the cylinder and the lug, Clamping and fixing: First, the cylinder is clamped and positioned by the clamping assembly. The cylinder and the earring are vertically aligned upwards. The second double-headed pull rod cylinder 12 is activated. Its two piston rods will drive the corresponding second clamping frame 13 to slide on the third guide rail, so that the second clamping block 16 gradually approaches and clamps the cylinder, and the cylinder is placed in the gap between the two sets of second clamping blocks 16.

[0025] Place the earring to be welded into the gap between the two first clamping blocks 6 located on the same horizontal plane, and make the welding point of the earring vertically downward. Activate the first double-headed pull rod cylinder 7 to push the first clamping frame 11 to move along the second slide rail 10, so that the first clamping block 6 clamps the earring.

[0026] Docking and adjustment: Start the electric push rod 17, and its extended end pushes the slide 8 to move along the first slide rail 9 at the bottom of the carrier plate 1, so that the components connected to the bottom of the slide 8 move along with it until the clamped ear and the welded part of the cylinder are in docking contact.

[0027] Activate the lifting component and welding gun head 4 to emit a laser beam to weld the joint between the cylinder and the earring. Rotation adjustment: Start the reduction motor 2 to drive the carrier plate 1 to rotate, so that the components connected to the bottom of the carrier plate 1 rotate as a whole, thereby causing the clamped workpiece to rotate, and the lifting component 4 to perform circumferential welding on the cylinder and the ear ring docking part.

[0028] Remove the workpiece: After welding is completed, each drive component returns to its original position, the first clamping block 6 and the second clamping block 16 release the workpiece, and the operator can remove the welded cylinder body assembly from the equipment.

[0029] The encoder provides position feedback during the above process.

[0030] The double-ended tie rod cylinder in this application needs to be connected to an external air compressor, filter, pressure reducing valve and lubricator when in use. This connection method is existing technology and will not be described in detail here.

[0031] This utility model has been described through the above embodiments. Those skilled in the art will understand that this utility model is not limited to the above embodiments. Many more modifications can be made based on the teachings of this utility model, and all such modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A circumferential welder for a tensioning cylinder body assembly, comprising a base plate (5), characterized in that, The base plate (5) is provided with a clamping assembly. A fixed frame (3) is fixedly connected to the upper surface of the base plate (5). A carrier plate (1) is movably connected to the bottom of the fixed frame (3). A first driving assembly that drives the carrier plate (1) to rotate is provided at the top of the fixed frame (3). Two first slide rails (9) are fixedly connected to the bottom of the carrier plate (1). A slide frame (8) is movably connected between the two first slide rails (9). A second driving assembly that drives the slide frame (8) to move along the first slide rail (9) is provided at the bottom of the side position of the carrier plate (1). A second slide rail (10) is fixedly connected to the bottom of the slide frame (8). A first clamping frame (11) is movably connected to the outside of the second slide rail (10). Two first clamping blocks (6) are fixed to one side of the first clamping frame (11) by bolts. A power assembly that drives the first clamping frame (11) to move along the second slide rail (10) is provided on the slide frame (8).

2. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The clamping assembly includes a support plate (14), which is fixed to the upper surface of the base plate (5) by bolts. Two third guide rails are fixedly connected to the side of the support plate (14), and a second clamping frame (13) is movably connected to the outer side of each of the two third guide rails. A connecting frame (15) is fixedly connected to one end of the second clamping frame (13), and two second clamping blocks (16) are movably connected to the connecting frame (15). A second double-headed pull rod cylinder (12) is fixedly connected to the side of the support plate (14), and the two piston rods of the second double-headed pull rod cylinder (12) are respectively fixed to the second clamping frame (13) at the corresponding positions.

3. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The first drive assembly includes a geared motor (2), which is fixed to the top of the mounting bracket (3) by bolts. One end of the output shaft of the geared motor (2) passes through the mounting bracket (3) and is fixed to the carrier plate (1).

4. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The second drive assembly includes an electric push rod (17), which is fixed to the carrier plate (1) by bolts, and the extended end of the electric push rod (17) is fixed to the carriage (8).

5. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The power assembly includes a first double-ended tie rod cylinder (7), which is fixed to the bottom of the slide (8) by bolts. The two piston rods of the first double-ended tie rod cylinder (7) are fixed to the first clamping frame (11) at the adjacent position.

6. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The first clamping block (6) is located above the second clamping block (16).

7. The circumferential weld equipment for a tensioning cylinder body assembly according to claim 1, characterized in that, The upper surface of the base plate (5) is fixed with a lifting component (4) by bolts.