Welding machine convenient to position
By combining a robotic arm and a CCD scanning probe, the welding machine can automatically adjust its center of gravity and achieve precise positioning, solving the problem of inaccurate positioning in traditional welding machines, improving welding quality and efficiency, and reducing operating difficulty and cost.
Patent Information
- Application Number
- CN202422822812.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing welding machines have defects in positioning accuracy, requiring manual adjustment, which leads to low efficiency, unstable quality, and difficulty in balancing, affecting welding quality and safety.
The system employs a robotic arm and a CCD scanning probe in conjunction with a PLC controller to achieve automatic adjustment of the center of gravity and precise positioning. The stability of the welding machine is achieved through the coordinated action of transmission gears and driven gears, combined with the counterweight box. The welding path is optimized using the CCD scanning probe.
It improves the stability and positioning accuracy of the welding machine, reduces the difficulty of operation, ensures welding quality and speed, and reduces labor and material costs.
Smart Images

Figure CN223734192U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding machine technology, specifically a welding machine that is easy to position. Background Technology
[0002] In traditional residential construction, welding machines, as indispensable construction equipment, play a crucial role in welding metal components. However, existing traditional welding machines still suffer from deficiencies in positioning accuracy, typically requiring repetitive manual adjustments and calibrations. This not only significantly reduces work efficiency but also frequently affects weld quality due to inaccurate positioning, posing a potential threat to the overall stability and safety of the building structure. Furthermore, balancing the welding machine has always been a major challenge in traditional welding processes. For a long time, balancing has relied on manual operation. First, manual adjustment is relatively inefficient, requiring operators to invest significant time and effort in repeated adjustments. Second, due to differences in operator skill levels and experience, manual adjustments often fail to guarantee consistent and stable weld quality. Moreover, prolonged manual adjustments not only cause operator fatigue but may also increase safety risks during production. Utility Model Content
[0003] The purpose of this invention is to provide a welding machine that is easy to position, so as to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a welding machine for easy positioning, comprising a support table, a robotic arm, and a welding head. The inner side of the support table has two slots arranged side-by-side, and a lead screw and a lead screw are respectively installed inside the slots. The top ends of both lead screws extend to the outer side of one end of the support table and are respectively equipped with a transmission gear and a driven gear. An adjusting motor connected to lead screw is located at the other end of the support table. A movable platform is mounted on lead screw through a movable block, and a robotic arm is mounted on the top of the movable platform. The welding head is positioned at the top of the robotic arm through a clamping block. A CCD scanning probe is mounted on the robotic arm on one side of the welding head. The CCD scanning probe is connected to a PLC controller located at one end of the support table via a wire. A counterweight box is mounted on the top of lead screw through the movable block.
[0005] Preferably, the drive gear and the driven gear mesh with each other, and a protective shell is provided on the support platform outside the drive gear and the driven gear.
[0006] Preferably, the interior of the counterweight box is evenly provided with storage compartments, and each storage compartment contains a counterweight block.
[0007] Preferably, the thread direction and thread pitch of the lead screw one and the lead screw two are the same.
[0008] Preferably, the inner walls on both sides of the second slot are provided with limiting grooves, and the two sides of the second movable block are provided with sliders extending into the limiting grooves.
[0009] Preferably, the area of the movable platform is greater than the width of the slot, and both the movable platform and the slider are equipped with rollers at their bottoms. The top of the support surface and the bottom of the inner side of the limiting slide groove are provided with strip-shaped grooves that match the rollers.
[0010] Preferably, a storage box is provided at the bottom of the support platform, and reinforcing support plates are installed between both ends of the storage box and the support platform.
[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows: This easy-to-position welding machine utilizes a movable platform on a movable block to mount a robotic arm on a lead screw. This movable platform drives the robotic arm to move and adjust its position on the lead screw. Simultaneously, under the action of the transmission gear and driven gear, the counterweight box on the lead screw moves in the opposite direction. This structure cleverly utilizes the synergistic effect of the internal counterweight and drive mechanism to achieve real-time adjustment of the welding machine's center of gravity, enabling automatic adjustment and maintaining a stable operating state during operation. This effectively avoids positioning errors caused by imbalance, improves the stability of the welding machine, significantly enhances welding quality, reduces the operator's adjustment needs, and lowers the operational difficulty. Furthermore, a CCD scanning probe on the robotic arm on one side of the welding head scans and identifies the welding position, sending the data to the control system. Intelligent algorithms optimize the welding path, achieving precise positioning and enabling the welding machine to quickly and accurately reach the designated position. This not only increases welding speed but also ensures welding uniformity and quality. Precise positioning technology reduces errors, avoids rework, and saves material and labor costs. Attached Figure Description
[0012] Figure 1 This is a top view of the structure of this utility model;
[0013] Figure 2 This is a side view of the structure of this utility model;
[0014] Figure 3 This is a schematic diagram of the end face structure of this utility model;
[0015] Figure 4 For the present utility model Figure 3 Schematic diagram of the structure at point A in the middle;
[0016] Figure 5This is a schematic diagram of the transmission gear and driven gear of this utility model;
[0017] Figure 6 This is a schematic diagram of the robotic arm structure of this utility model;
[0018] Figure 7 This is a schematic diagram of the replaceable robotic arm structure of this utility model.
[0019] In the diagram: 1. Support platform; 101. Slot 1; 102. Slot 2; 103. Limiting slide; 2. Adjusting motor; 3. PLC controller; 4. Moving platform; 5. Robotic arm; 6. Lead screw 1; 7. Lead screw 2; 8. Transmission gear; 9. Protective housing; 10. Driven gear; 11. Counterweight box; 1101. Storage compartment; 12. Counterweight block; 13. Reinforcing support plate; 14. Storage box; 15. Movable block 2; 16. Movable block 1; 17. Sliding plate; 18. Roller; 19. Strip groove; 20. CCD scanning probe; 21. Welding head; 22. Clamping block. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0021] Please see Figure 1-7 The present invention provides an embodiment of a welding machine that is easy to position, comprising a support table 1, a robotic arm 5 and a welding head 21. The inner side of the support table 1 is provided with slot 101 and slot 2 102 arranged side by side, and lead screw 6 and lead screw 7 are respectively installed inside slot 101 and slot 2 102. A movable platform 4 is installed on lead screw 6 through movable block 16, and the robotic arm 5 is installed on the top of the movable platform 4.
[0022] Please see Figure 7 The robotic arm 5 used in this utility model is a common welding mechanical structure on the market. The main body of the robotic arm is composed of multiple links, and each link is connected by a rotating joint.
[0023] The main body of the robotic arm includes a base, shoulder, elbow, wrist, and end effector.
[0024] The following is a detailed description of each part:
[0025] Base: The base connects to the base and is used to support the weight of the entire robotic arm and ensure the stability of the robotic arm in space.
[0026] Shoulder: The shoulder is equipped with multiple rotating joints, which allows the robotic arm to rotate within a wide range to meet the needs of welding operations.
[0027] Elbow: The elbow connects the shoulder and wrist, and the bending and extension of the robotic arm are achieved by rotating the joint.
[0028] Wrist: The wrist connects the elbow to the end effector and has multiple degrees of freedom, enabling precise positioning of the welding head.
[0029] End effector: The end effector is a welding device, and different types of welding heads can be replaced according to actual needs.
[0030] The top of the robotic arm 5 is equipped with a welding head 21 via a clamping block 22, and the top of the lead screw 7 is equipped with a counterweight box 11 via a movable block 15.
[0031] The top ends of lead screw 6 and lead screw 7 extend to the outer side of one end of the support platform 1 and are respectively equipped with a transmission gear 8 and a driven gear 10. The transmission gear 8 and the driven gear 10 mesh with each other, and a protective shell 9 is provided on the support platform 1 outside the transmission gear 8 and the driven gear 10.
[0032] The transmission gear 8 and driven gear 10 are meshed with each other, so that the first lead screw 6 and the second lead screw 7 run in opposite directions, thereby driving the welding mechanism and the counterweight box 11 to move synchronously. The real-time adjustment of the center of gravity of the welding machine realizes automatic adjustment of the center of gravity, so that the welding machine maintains a stable working state during operation and effectively avoids positioning errors caused by imbalance.
[0033] An adjustment motor 2 connected to a lead screw 6 is provided at the other end of the support platform 1.
[0034] The welding head 21 can be quickly disassembled using the clamping block 22. The welding head 21 is designed with a modular structure, allowing for quick replacement of the appropriate welding head 21 according to different welding tasks, to adapt to different working environments and requirements.
[0035] Module Replacement: Based on the requirements of the welding task, select the appropriate welding head module, including argon arc welding head, electric arc welding head, laser welding head, etc., and install it on the host machine. The specific steps are as follows:
[0036] Turn off the power and ensure the host is not in operation.
[0037] Remove the original welding head module.
[0038] Install the new welding head module onto the host and ensure a secure connection.
[0039] Turn on the power and perform a system self-test to ensure the welding head module is working properly.
[0040] Welding operation:
[0041] Welding parameters, such as welding speed, current, and voltage, are input through the control module.
[0042] Start the welding machine and perform welding operations according to the preset welding path.
[0043] During the welding process, the welding quality is monitored in real time through the control module, and adjustments are made when necessary.
[0044] A CCD scanning probe 20 is installed on the robotic arm 5 on one side of the welding head 21. The CCD scanning probe 20 is connected to the PLC controller 3 set at one end of the support table 1 through a wire.
[0045] The welding position is scanned and identified by the CCD scanning probe 20 and sent to the control system. The welding path is optimized by intelligent algorithms to achieve precise positioning of the welding path. This enables the welding machine to reach the designated position quickly and accurately, which not only improves the welding speed, but also ensures the uniformity and quality of the welding. The precise positioning technology reduces errors, avoids rework, and saves material and labor costs.
[0046] The counterweight box 11 has storage compartments 1101 evenly arranged inside, and each storage compartment 1101 contains a counterweight block 12.
[0047] The counterweight 12 can be increased or decreased according to the actual weight of the welding mechanism to achieve the effect of stabilizing the center of gravity.
[0048] The thread direction and thread pitch of lead screw 6 and lead screw 7 are the same.
[0049] Limiting grooves 103 are provided on both sides of the inner wall of the slot 2 102, and sliding blocks 17 extending into the limiting grooves 103 are provided on both sides of the movable block 2 15.
[0050] The area of the movable platform 4 is larger than the width of the slot 101, and both the movable platform 4 and the slider plate 17 are equipped with rollers 18 at the bottom. The top of the support surface 1 and the bottom of the inner side of the limiting slide 103 are provided with strip-shaped grooves 19 that match the rollers 18.
[0051] A storage box 14 is provided at the bottom of the support platform 1, and a reinforcing support plate 13 is installed between both ends of the storage box 14 and the support platform 1.
[0052] In this embodiment, the CCD scanning probe 20 scans the welding position and sends the scanned information to the PLC controller 3. The PLC controller 3 optimizes the welding path through an intelligent algorithm and controls the adjusting motor 2 to drive the lead screw 6. Under the action of the screw, the movable block 16 drives the robotic arm 5 on the top of the moving platform 4 to quickly and accurately reach the designated position for precise welding positioning. When the lead screw 6 rotates, the transmission gear 8 drives the driven gear 10 to rotate, thereby driving the counterweight box 11 to move in the opposite direction on the lead screw 7. The real-time adjustment of the welding machine's center of gravity achieves automatic adjustment of the center of gravity, enabling the welding machine to maintain a stable working state during operation. This effectively avoids positioning errors caused by imbalance and improves the stability of the welding machine. Finally, the robotic arm 5 drives the welding head 21 to achieve rapid welding according to the welding path, ensuring the uniformity and quality of the welding.
[0053] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.
[0054] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0055] It should be noted that the terms "first," "second," etc., used 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. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.
[0056] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A welding machine that facilitates positioning, characterized by: The utility model provides a welding machine, including support mesa (1), mechanical arm (5) and welding head (21), the inside of support mesa (1) is provided with slot one (101) and slot two (102) side by side, and the inside of slot one (101) and slot two (102) is installed screw rod one (6) and screw rod two (7) respectively, the top of screw rod one (6) and screw rod two (7) all extends to the outside of one end of support mesa (1) and is installed transmission gear (8) and driven gear (10) respectively, the other end of support mesa (1) is provided with the adjusting motor (2) connected with screw rod one (6), the movable platform (4) is installed on screw rod one (6) through movable block one (16), and the top of movable platform (4) is installed mechanical arm (5), and the top of mechanical arm (5) is provided welding head (21) through clamping block (22), the mechanical arm (5) on the side of welding head (21) is installed CCD scanning probe (20), and CCD scanning probe (20) is connected with the PLC controller (3) of one end of support mesa (1) through wire, and the top of screw rod two (7) is installed counterweight box (11) through movable block two (15).
2. A welding machine for ease of positioning according to claim 1, characterized in that: The transmission gear (8) and driven gear (10) are engaged with each other, and the support mesa (1) outside the transmission gear (8) and driven gear (10) is provided with a protective shell (9).
3. The welding machine of claim 1, wherein: The counterweight box (11) is uniformly provided with a storage compartment (1101) inside, and the storage compartment (1101) is placed with a counterweight (12) inside.
4. The welding machine of claim 1, wherein: The screw rod one (6) and screw rod two (7) have the same thread direction and thread spacing.
5. The positioning-aided welder of claim 1, wherein: The two inner walls of the slot two (102) are provided with limit sliding grooves (103), and the movable block two (15) is provided with sliding block plates (17) extending into the limit sliding grooves (103).
6. The welding machine of claim 1, wherein: The area of the movable platform (4) is greater than the width of the slot one (101), and the bottom of the movable platform (4) and the sliding block plate (17) is provided with a roller (18), and the top of the support mesa (1) and the bottom of the limit sliding groove (103) is provided with a strip-shaped groove (19) matched with the roller (18).
7. The positioning-aided welder of claim 1, wherein: The bottom of the support mesa (1) is provided with a storage box (14), and the two ends of the storage box (14) and the support mesa (1) are provided with reinforcing support plates (13).