Oven rear plate support welding machine
The fully automated oven rear plate support welding machine solves the problems of low efficiency and difficulty in guaranteeing quality in manual spot welding in the existing technology, and achieves efficient and stable welding and product consistency, thereby improving production efficiency and reducing labor requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HAOJING ELECTROMECHANICAL CO LTD
- Filing Date
- 2025-05-07
- Publication Date
- 2026-05-08
AI Technical Summary
The welding of the rear panel and rear panel support of the existing oven mainly relies on manual spot welding, which results in low work efficiency, weak product strength, low production efficiency, difficulty in guaranteeing quality, high material scrap rate, and a shortage of operators, thus failing to meet actual needs.
The oven rear plate support welding machine is fully automated, including a base, material stack, transfer mechanism, vision inspection system, positioning fixture, support feeding system, feeding robot, and dual-power dual-welding-head medium-frequency DC welding machine. It realizes fully automated feeding, inspection, welding and transfer of oven rear plate and rear plate support, and uses vision inspection system for precise positioning and multi-axis robot for efficient welding.
It has achieved fully automated production of oven back plate and back plate support, with stable welding quality, good finished product consistency, three times the efficiency, reduced manual intervention, reduced labor intensity, and improved production efficiency and product quality.
Smart Images

Figure CN224209319U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of sheet metal welding, specifically relating to a welding machine for oven rear plate support. Background Technology
[0002] The welding of the rear panel and rear panel support of the oven in the current products is mostly done manually with spot welding. This involves repeated handling and moving of products, which is inefficient, results in weak product strength, is inconvenient for product changeover, and leads to low production efficiency, outdated technology, difficulty in guaranteeing product quality, and a high material scrap rate. There is also a shortage of operators with relevant skills, resulting in production capacity falling far short of actual demand.
[0003] Therefore, we propose a welding machine for oven rear plate brackets. Utility Model Content
[0004] This invention provides a welding machine for the rear panel support of an oven, which solves the technical problems mentioned in the background section.
[0005] To solve the above-mentioned technical problems, this utility model provides an oven rear plate support welding machine, including a base, a material stack, a first transfer mechanism, a vision inspection system, a positioning fixture, a support feeding system, a feeding robot, a dual-power dual-welding-head medium-frequency DC welding machine, and a second transfer mechanism.
[0006] Base: Provides a solid and reliable mounting reference for the entire structure;
[0007] Material stack: a storage area for the back panel of the oven;
[0008] Transfer mechanism 1: Automatically grabs workpieces from the rear plate stack and transfers them to the welding fixture;
[0009] Vision inspection system: detects the positional offset of the grasped workpiece and feeds back the actual value to the system so that the robot can accurately place the workpiece on the positioning fixture;
[0010] Positioning fixture: Used for precise positioning of the rear plate and rear plate bracket.
[0011] Support feeding system: Stably and orderly vibrates out the rear plate support;
[0012] Material loading robot: Provides a back plate support for the dual-power dual-welding-head medium-frequency DC welding machine in a timely manner and places it precisely in the positioning fixture;
[0013] Dual-power dual-welding-head medium-frequency DC welding machine: efficiently and stably welds the rear plate bracket to the rear plate;
[0014] Transfer mechanism two: The welding machine that connects the back plate directly to other processes efficiently and accurately transfers the welded workpiece on the back plate bracket welding fixture to the next process.
[0015] Preferably, the transplanting mechanism includes a multi-axis robot, which is electrically connected to an external power source, and a suction cup is fixedly installed at the output end of the multi-axis robot.
[0016] Preferably, the visual inspection system includes a camera and a sensor, the camera and the sensor are integrated and installed together, and the camera and the sensor are electrically connected to an external power supply.
[0017] Preferably, the transplanting mechanism two includes columns, with two columns fixedly installed above the base. The two columns are arranged symmetrically. A transverse beam is fixedly installed above the columns. Precision guide sliders are slidably installed on the transverse beams. There are two precision guide sliders, which are electrically connected to an external power source. A longitudinal beam is movably installed inside the precision guide sliders, and a precision pneumatic gripper is fixedly installed at the bottom of the longitudinal beam.
[0018] Preferably, the support feeding system includes a hopper, which is arranged at the upper left corner of the base, and a vibratory feeder is fixedly installed below the hopper. The vibratory feeder is electrically connected to an external power supply and corresponds to the feeding robot.
[0019] Preferably, the stack includes a shelf, which is located on the front side of the base, and two shelves are symmetrically arranged. Each shelf has a partition, and there are multiple partitions, which are arranged at equal intervals.
[0020] This invention has the following advantages over the prior art:
[0021] This utility model discloses an oven rear plate support welding machine, which realizes fully automatic feeding, inspection, welding and transfer of oven rear plate and rear plate support without manual intervention. The positioning is accurate, the welding quality is very stable, the finished product has good consistency, the efficiency is three times higher than manual spot welding, the welding quality is stable, and the dimensional consistency of the welded product is good. It breaks the traditional manual spot welding production method, greatly improves work efficiency, reduces the number of workers, and greatly reduces the labor intensity of operators. Attached Figure Description
[0022] Figure 1 This is a structural diagram of a welding machine for an oven rear plate bracket according to the present invention;
[0023] Figure 2 This is a structural diagram of a welding machine for an oven rear plate bracket according to the present invention;
[0024] Numbered in the diagram: 1. Base; 2. Material stack; 3. Transplanting mechanism one; 4. Vision inspection system; 5. Positioning fixture; 6. Support feeding system; 7. Loading robot; 8. Dual-power dual-welding-head medium-frequency DC welding machine; 9. Transplanting mechanism two; 10. Column; 11. Horizontal beam; 12. Longitudinal beam; 13. Precision guide slider; 14. Hopper; 15. Vibrating plate; 16. Workpiece; 17. Camera; 18. Multi-axis robot; 19. Precision pneumatic gripper; 20. Suction cup; 21. Shelf; 22. Partition. Detailed Implementation
[0025] Please see Figure 1-2 This utility model provides a technical solution: an oven rear plate support welding machine, including a base 1, a material stack 2, a first transfer mechanism 3, a vision inspection system 4, a positioning fixture 5, a support feeding system 6, a feeding robot 7, a dual-power dual-welding-head medium-frequency DC welding machine 8, and a second transfer mechanism 9.
[0026] Base 1: Provides a solid and reliable mounting reference for the entire structure;
[0027] Material stack 2: A storage area for the back panel of the oven;
[0028] Transfer mechanism 3: Automatically grabs workpiece 16 from the rear plate stack 2 and transfers it to the welding fixture;
[0029] Vision inspection system 4: detects the positional offset of the gripped workpiece 16 and feeds back the actual value to the system so that the robot can accurately place the workpiece 16 on the positioning fixture 5.
[0030] Positioning fixture 5: Precisely positions the rear plate and rear plate bracket.
[0031] Support feeding system 6: Stably and orderly vibrates out the rear plate support;
[0032] Material loading robot 7: Provides a back plate bracket for the dual-power dual-welding-head medium-frequency DC welding machine 8 in a timely manner and places it precisely in the positioning fixture 5;
[0033] Dual-power dual-welding-head medium-frequency DC welding machine 8: efficiently and stably welds the rear plate bracket to the rear plate;
[0034] Transplanting Mechanism 29: Connects the back plate directly to the welding machine of other processes, efficiently and accurately transferring the welded workpiece 16 onto the back plate bracket welding fixture to the next process.
[0035] Furthermore, the transplanting mechanism 3 includes a multi-axis robot 18, which is electrically connected to an external power source, and a suction cup 20 is fixedly installed at the output end of the multi-axis robot 18.
[0036] Furthermore, the visual inspection system 4 includes a camera 17 and a sensor, with the camera 17 and the sensor integrated and installed together, and the camera 17 and the sensor electrically connected to an external power supply.
[0037] Furthermore, the transplanting mechanism 29 includes a column 10. The column 10 is fixedly installed on the base 1. There are two columns 10, which are symmetrically arranged. A transverse beam 11 is fixedly installed on the column 10. A precision guide slider 13 is slidably installed on the transverse beam 11. There are two precision guide sliders 13. The two precision guide sliders 13 are electrically connected to an external power supply. A longitudinal beam 12 is movably installed inside the precision guide slider 13. A precision pneumatic gripper 19 is fixedly installed at the bottom of the longitudinal beam 12.
[0038] Furthermore, the support feeding system 6 includes a hopper 14, which is located at the upper left corner of the base 1, and a vibratory feeder 15 is fixedly installed below the hopper 14. The vibratory feeder 15 is electrically connected to an external power supply and corresponds to the feeding robot 7.
[0039] Furthermore, the stack 2 includes a shelf 21, which is located on the front side of the base 1. Two shelves 21 are symmetrically arranged, and each shelf 21 has a partition 22. Multiple partitions 22 are arranged at equal intervals.
[0040] Working principle:
[0041] First, the multi-axis robot 18 drives the suction cup 20 to grasp the workpiece 16 in the stack 2. During the operation of the multi-axis robot 18, it passes through the vision inspection system 4, which scans and detects the position of the workpiece 16 and provides feedback. The multi-axis robot 18 adjusts the position of the workpiece 16 based on the feedback information, accurately placing the workpiece 16 into the positioning fixture 5. After positioning, the dual-power dual-welding-head medium-frequency DC welding machine 8 welds the workpiece 16. At the same time, the support in the hopper 14 is vibrated out by the vibrating plate 15, and a back plate support is promptly provided to the welding machine and accurately placed in the positioning fixture. After welding is completed, the precision pneumatic gripper 19 finishes welding. The workpiece 16 is clamped and driven by the longitudinal beam 12 and the transverse beam 11, and connected to the welding machine of other processes directly. The welded workpiece 16 is transferred to the next process with efficient and precise welding fixture on the back plate bracket. This realizes fully automatic feeding, inspection, welding and transfer of oven back plate and back plate bracket without manual intervention. The positioning is accurate, the welding quality is very stable, the finished product consistency is good, the efficiency is three times higher than manual spot welding, the welding quality is stable, and the dimensional consistency of the welded product is good. This breaks the traditional manual spot welding production method, greatly improves work efficiency, reduces the number of workers, and greatly reduces the labor intensity of operators.
Claims
1. A welding machine for a rear panel support of an oven, comprising a base (1), a material stack (2), a first transfer mechanism (3), a vision inspection system (4), a positioning fixture (5), a support feeding system (6), a loading robot (7), a dual-power dual-welding-head medium-frequency DC welding machine (8), and a second transfer mechanism (9), characterized in that: Base (1): Provides a solid and reliable mounting reference for the entire structure; Material stack (2): serving as a material storage area for the back panel of the oven; Transfer mechanism 1 (3): Automatically grabs workpiece (16) from the rear plate stack (2) and transfers it to the welding fixture; Visual inspection system (4): detects the position offset of the gripped workpiece (16) and feeds back the actual value to the system so that the robot can accurately place the workpiece (16) on the positioning fixture (5). Positioning fixture (5): for precise positioning of the rear plate and rear plate bracket. Support feeding system (6): Stably and orderly vibrates out the rear plate support; Loading robot (7): Provides a back plate bracket for the dual-power dual-welding-head medium-frequency DC welding machine (8) in a timely manner and places it precisely in the positioning fixture (5); Dual-power dual-welding-head medium-frequency DC welding machine (8): efficiently and stably welds the rear plate bracket onto the rear plate; Transplanting mechanism 2 (9): Connects the back plate directly to the welding machine of other processes, efficiently and accurately transplants the welded workpiece (16) onto the welding fixture of the back plate bracket to the next process.
2. The oven rear plate support welding machine according to claim 1, characterized in that, The transplanting mechanism (3) includes a multi-axis robot (18), which is electrically connected to an external power source, and a suction cup (20) is fixedly installed at the output end of the multi-axis robot (18).
3. The oven rear plate support welding machine according to claim 1, characterized in that, The visual inspection system (4) includes a camera (17) and a sensor. The camera (17) and the sensor are integrated and installed together, and the camera (17) and the sensor are electrically connected to an external power supply.
4. The oven rear plate support welding machine according to claim 1, characterized in that, The transplanting mechanism 2 (9) includes a column (10), which is fixedly installed on the base (1). There are two columns (10) arranged symmetrically. A transverse beam (11) is fixedly installed on the column (10). A precision guide slider (13) is slidably installed on the transverse beam (11). There are two precision guide sliders (13), which are electrically connected to an external power supply. A longitudinal beam (12) is movably installed inside the precision guide slider (13). A precision pneumatic gripper (19) is fixedly installed at the bottom of the longitudinal beam (12).
5. The oven rear plate support welding machine according to claim 1, characterized in that, The support feeding system (6) includes a hopper (14), which is located at the upper left corner of the base (1). A vibratory plate (15) is fixedly installed below the hopper (14). The vibratory plate (15) is electrically connected to an external power source and corresponds to the feeding robot (7).
6. The oven rear plate support welding machine according to claim 1, characterized in that, The stack (2) includes a shelf (21), which is located on the front side of the base (1). Two shelves (21) are symmetrically arranged. Each shelf (21) has a partition (22) inside. Multiple partitions (22) are provided and are arranged at equal intervals.