Automatic welding device for narrow gap after assembly
By designing automatic welding devices, efficient automatic welding is achieved in narrow gaps using robotic arms and rotary plates, the problem of difficult operation of manual welding in narrow gaps is solved, and the welding efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421180817.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-28
AI Technical Summary
In the prior art, manual welding is difficult to weld in grooves with narrow diameters, resulting in difficult observation of welding points and slow movement, and the difficulty of manually welding multiple central pipes is increased.
A narrow gap automatic welding device after assembly is designed, including an operating table, a robotic arm, a rotating plate and multiple assembly mechanisms. The welding gun is driven by the robotic arm, and the tubular welding nozzle extends into the groove for welding, and the rotating plate is used to achieve rapid switching of multiple assembly mechanisms.
It realizes efficient automatic welding in narrow gaps, improves welding efficiency and product quality, and reduces operation difficulty and time.
Smart Images
Figure CN222520407U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding tools, in particular to an automatic welding device for narrow gaps after assembly. Background Art
[0002] During welding, the workpiece and the solder melt to form a molten area, and the molten pool cools and solidifies to form a connection between the materials. During this process, pressure is usually required. There are many sources of energy for welding, including gas flame, arc, laser, electron beam, friction and ultrasonic.
[0003] At present, welding technology is widely used in all walks of life. In the welding process, two or more parts need to be assembled together and then welded by welding equipment. If pure manual assembly is used, the assembly is troublesome and the weld is easily offset during welding, resulting in reduced product quality. Therefore, in the prior art, most welding processes require the assistance of tools, so that the product is assembled before welding, and then welded by operators or robotic arms.
[0004] Currently in Figure 1 When welding the lug seat and the center tube shown, the center tube needs to be inserted into the jack of the lug seat, and then the joint is welded in the groove of the lug seat by welding equipment. The difficulties are: 1. The welding position is difficult to operate, and the welding tool needs to be extended into the groove on the lug seat to weld the lug seat and the center tube. Since the groove has a certain depth and the diameter of the groove is narrow, if manual welding is used, not only the welding point is not easy to observe, but also the welding movement is slow, which makes it difficult for the operator to quickly complete the welding of the welding point; 2. At least two center tubes need to be welded on one lug seat at the same time, resulting in an increase in welding points, which further increases the difficulty of manual welding. Based on the above reasons, a narrow gap automatic welding device after assembly is proposed to solve the problem that it is difficult to weld in a groove with a narrow diameter by manual welding in the prior art. Utility Model Content
[0005] The utility model aims to provide an automatic welding device for narrow gaps after assembly, so as to solve the problem in the prior art that it is difficult to weld in a groove with a narrow diameter by manual welding.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0007] A post-assembly narrow gap automatic welding device comprises an operating table and a mechanical arm installed on one side of the operating table, a rotating plate is rotatably arranged on the upper side of the operating table, and at least two assembling mechanisms are installed on the upper side of the rotating plate; a welding gun is installed on the operating end of the mechanical arm, and a tubular welding nozzle is arranged on the welding gun.
[0008] A further technical solution is that the assembly mechanism includes a base, a fixed plate is vertically arranged on the base, and a movable plate is arranged opposite to the fixed plate, a central tube fixing block is arranged on the side of the fixed plate facing the movable plate, and a first lifting ear seat fixing plate and a second lifting ear seat fixing plate are respectively arranged at the upper ends of the fixed plate and the movable plate.
[0009] A further technical solution is that a mounting plate is vertically arranged on the upper side of the base on the side of the movable plate away from the fixed plate, and a sliding hole is arranged on the mounting plate facing the movable plate and passing through both sides, and a first driving rod is slidably arranged in the sliding hole, one end of the first driving rod is connected to the side of the movable plate, and the other end is connected to a driving mechanism above the base for driving the first driving rod to move in the sliding hole.
[0010] A further technical solution is that the driving mechanism includes a driving seat, a driving hole is provided on the driving seat toward the first driving rod, a second driving rod is slidably provided in the driving hole, one end of the second driving rod is connected to an end of the first driving rod away from the movable plate; a driving groove is provided on the upper side of the driving seat with an opening facing upward, the driving hole is communicated with the groove wall of the driving groove, a driving handle is installed in the driving groove, and an end of the second driving rod away from the first driving rod is inserted into the driving groove and connected to the driving handle.
[0011] A further technical solution is that a first drive bar and a second drive bar are provided in the drive groove, the side surface of one end of the first drive bar is rotationally connected to the side surface of one end of the second drive rod placed in the drive groove, the side surface of the other end of the first drive bar is rotationally connected to the side surface of one end of the second drive bar, the side surface of the other end of the second drive bar is rotationally connected to the groove wall of the drive groove, and the drive handle is connected to the upper side of the second drive bar.
[0012] A further technical solution is that a pressure hole is provided at one end of the second driving rod connected to the first driving rod, and one end of the first driving rod connected to the second driving rod is slidably set in the pressure hole and connected to the bottom of the pressure hole through a spring in the pressure hole.
[0013] A further technical solution is that a guide hole parallel to the sliding hole is arranged on the mounting plate, a guide rod is slidably arranged in the guide hole, and one end of the guide rod is connected to the movable plate.
[0014] A further technical solution is that a matching block aligned with the central tube fixing block is provided on one side of the movable plate facing the fixed plate, and a clamping notch is provided on the opposite side of the matching block and the central tube fixing block.
[0015] A further technical solution is that side fixing plates are provided on opposite sides of the first lifting ear seat fixing plate facing the second lifting ear seat fixing plate.
[0016] A further technical solution is that a reinforcing rib is provided on a side of the fixed plate away from the movable plate.
[0017] Compared with the prior art, the utility model has at least one of the following beneficial effects: 1. When welding, the ear seat and the center tube to be welded are spliced together through the assembling mechanism, and then the welding gun is driven by the robotic arm to perform welding. With the help of the tubular welding nozzle on the welding gun, it is easy to reach into the groove of the ear seat to perform welding operations; 2. With the help of the stable control ability of the robotic arm, the welding gun can be driven to perform uniform speed welding and automatic welding in the groove, thereby improving the welding efficiency; 3. By arranging more than two assembling structures on the rotating plate, the ear seat and the center tube on one assembling mechanism can be spliced together while the ear seat and the center tube on another assembling mechanism are being welded. After the welding is completed, the ear seat and the center tube to be welded can be moved to the position of the welding gun by rotating the rotating plate for welding, thereby further improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a finished product picture after the lifting lug seat and the center tube of the utility model are welded.
[0019] Figure 2 It is an overall schematic diagram of an automatic welding device for narrow gaps after assembly according to the utility model.
[0020] Figure 3 It is a top view schematic diagram of a rotating plate of an assembled narrow gap automatic welding device of the utility model.
[0021] Figure 4 It is an overall schematic diagram of an assembly mechanism of an assembled narrow gap automatic welding device according to the utility model.
[0022] Figure 5 The utility model is a side sectional view of an assembly mechanism of an assembled narrow gap automatic welding device.
[0023] Figure 6 It is a partial schematic diagram of a fixed plate and a movable plate of an automatic welding device for narrow gaps after assembly according to the utility model.
[0024] Icon: 1-base, 2-fixed plate, 3-movable plate, 4-center tube fixing block, 5-first ear seat fixing plate, 6-second ear seat fixing plate, 7-mounting plate, 8-sliding hole, 9-first drive rod, 10-drive seat, 11-drive hole, 12-second drive rod, 13-drive groove, 14-drive handle, 15-first drive bar, 16-second drive bar, 17-pressure hole, 18-spring, 19-guide hole, 20-guide rod, 21-matching block, 22-clamping notch, 23-side fixing plate, 24-reinforcement ribs, 25-center tube, 26-ear seat, 27-first rotating axis, 28-second rotating axis, 29-third rotating axis, 30-operating table, 31-mechanical arm, 32-rotating plate, 33-welding gun, 34-welding nozzle, 35-isolation plate. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0026] Figures 2 to 6 Shown is an embodiment of the utility model.
[0027] Embodiment 1:
[0028] like Figure 2 , 3 As shown in the formula, an automatic welding device for narrow gap after assembly includes an operating table 30 and a mechanical arm 31 installed on one side of the operating table 30, a rotating plate 32 is rotatably provided on the upper side of the operating table 30, and at least two assembly mechanisms are installed on the upper side of the rotating plate 32; a welding gun 33 is installed at the operating end of the mechanical arm 31, and a tubular welding nozzle 34 is provided on the welding gun 33. During welding, the ear seat 26 and the center tube 25 to be welded are spliced together through the assembling mechanism, and then the welding gun 33 is driven by the robot arm 31 for welding. With the help of the tubular welding nozzle 34 on the welding gun 33, it is easy to reach the groove of the ear seat 26 for welding operation; 2. With the help of the stable control ability of the robot arm 31, the welding gun 33 can be driven to weld at a uniform speed and automatically weld in the groove, thereby improving the welding efficiency; 3. By arranging more than two assembling structures on the rotating plate 32, when welding the ear seat 26 and the center tube 25 on one assembling mechanism, splicing can be carried out on another assembling mechanism. After welding is completed, the ear seat 26 and the center tube 25 to be welded can be moved to the position of the welding gun 33 by rotating the rotating plate 32 for welding, thereby further improving the welding efficiency.
[0029] Embodiment 2:
[0030] like Figure 4 As shown, a post-assembly narrow gap automatic welding device comprises a base 1, a fixed plate 2 is vertically arranged on the base 1, and a movable plate 3 is arranged opposite to the fixed plate 2, a central tube fixing block 4 is arranged on the side of the fixed plate 2 facing the movable plate 3, and a first hanging ear seat fixing plate 5 and a second hanging ear seat fixing plate 6 are respectively arranged at the upper ends of the fixed plate 2 and the movable plate 3. During assembly, the central tube 25 is vertically clamped by the cooperation of the fixed plate 2 and the movable plate 3, and then the hanging ear seat 26 is assembled on the upper side of the central tube 25, and is clamped by the first hanging ear seat fixing plate 5 and the second hanging ear seat fixing plate 6, so that the hanging ear seat 26 and the central tube 25 can be well fixed before welding, which is convenient for subsequent welding operations, and solves the problem in the prior art that there is no suitable clamping device to quickly assemble the hanging ear seat 26 and multiple central tubes 25. By setting the central tube fixing block 4, the central tube 25 can be better clamped and fixed in cooperation with the movable plate 3.
[0031] A mounting plate 7 is vertically arranged on the upper side of the base 1 at the side of the movable plate 3 away from the fixed plate 2, and a sliding hole 8 is arranged on the mounting plate 7, which is facing the movable plate 3 and passing through both sides, and a first driving rod 9 is slidingly arranged in the sliding hole 8, one end of the first driving rod 9 is connected to the side of the movable plate 3, and the other end is connected to a driving mechanism for driving the first driving rod 9 to move in the sliding hole 8 above the base 1. With such a setting, when the clamping device is used for assembly, the first driving rod 9 is driven by the driving mechanism to separate the movable plate 3 from the fixed plate 2 by a certain distance, and then the central tube 25 is placed between the central tube fixing block 4 and the movable plate 3, and then the central tube 25 can be quickly fixed between the fixed plate 2 and the movable plate 3 by driving the movable plate 3 toward the fixed plate 2 through the driving mechanism.
[0032] Embodiment 3:
[0033] Based on the above embodiments, Figure 5As shown, the driving mechanism includes a driving seat 10, the driving seat 10 is provided with a driving hole 11 facing the first driving rod 9, a second driving rod 12 is slidably provided in the driving hole 11, one end of the second driving rod 12 is connected to the end of the first driving rod 9 away from the movable plate 3; the upper side of the driving seat 10 is provided with a driving groove 13 with an opening facing upward, the driving hole 11 is connected to the groove wall of the driving groove 13, a driving handle 14 is installed in the driving groove 13, and the end of the second driving rod 12 away from the first driving rod 9 penetrates into the driving groove 13 and is connected to the driving handle 14. By providing the driving hole 11, the second driving rod 12 can be linearly moved along the driving hole 11, so that the first driving rod 9 can be pushed to drive the movable plate 3 to move linearly, so that when clamping the central tube 25 and the ear seat 26, pressure can be uniformly generated on the central tube 25 and the ear seat 26 to fix the central tube 25 and the ear seat 26. By providing the driving handle 14, the second driving rod 12 can be driven to move in the driving hole 11.
[0034] The driving groove 13 is provided with a first driving bar 15 and a second driving bar 16. The side surface of one end of the first driving bar 15 is rotatably connected to the side surface of one end of the second driving rod 12 placed in the driving groove 13. The side surface of the other end of the first driving bar 15 is rotatably connected to the side surface of one end of the second driving bar 16. The side surface of the other end of the second driving bar 16 is rotatably connected to the groove wall of the driving groove 13. The driving handle 14 is connected to the upper side of the second driving bar 16. The first driving bar 15 is rotatably connected to the second driving rod 12 via the first rotating shaft 27, the first driving bar 15 is rotatably connected to the second driving bar 16 via the second rotating shaft 28, and the second driving bar 16 is rotatably connected to the groove wall of the driving groove 13 via the third rotating shaft 29. When it is necessary to drive the second driving rod 12 to move toward the driving groove 13, the driving handle 14 is pulled in a direction away from the movable plate 3, and the second driving bar 16 is driven to rotate around the third rotation axis 29 through the driving handle 14, so that the end of the second driving bar 16 connected to the first driving bar 15 can be tilted, so that the second driving rod 12 is driven to move toward the driving groove 13 through the first driving bar 15, so that the movable plate 3 can be driven away from the fixed plate 2. Conversely, when the driving handle 14 is pulled toward the direction of the first driving bar 15 again, the first driving bar 15 can drive the second driving rod 12 to move toward the driving hole 11, so that the movable plate 3 can be driven to move toward the fixed plate 2.
[0035] A pressure hole 17 is provided at one end of the second driving rod 12 connected to the first driving rod 9, and one end of the first driving rod 9 connected to the second driving rod 12 is slidably provided in the pressure hole 17, and is connected to the bottom of the pressure hole 17 through a spring 18 in the pressure hole 17. By providing the spring 18, when the spring 18 is compressed, the elastic force of the spring 18 can be used to push the first driving rod 9 to drive the movable plate 3 to press the central tube 25 and the lug seat 26. After the second driving rod 12 is moved into place, the spring 18 can be compressed by the first driving rod 9 to different lengths to adjust the distance between the movable plate 3 and the fixed plate 2, thereby adapting to the diameter of the central tube 25 of different sizes.
[0036] The mounting plate 7 is provided with a guide hole 19 parallel to the sliding hole 8, a guide rod 20 is slidably provided in the guide hole 19, and one end of the guide rod 20 is connected to the movable plate 3. By providing the guide hole 19 and the guide rod 20, the first driving rod 9 can be guided to push the movable plate 3 to move, so that the movable plate 3 will not deviate during the movement and clamping process.
[0037] Embodiment 4:
[0038] Based on the above embodiments, Figure 6 As shown, a matching block 21 aligned with the central tube fixing block 4 is provided on one side of the movable plate 3 facing the fixed plate 2, and a clamping notch 22 is provided on the opposite side of the matching block 21 and the central tube fixing block 4. By providing the matching block 21, the central tube 25 can be fixed together with the central tube fixing block 4, and by providing the clamping notch, the central tube 25 can be better fixed. The clamping notch 22 on the central tube fixing block 4 and the matching block 21 can prevent the central tube 25 from being offset when the central tube 25 is clamped.
[0039] Side fixing plates 23 are provided on opposite sides of the first ear seat fixing plate 5 facing the second ear seat fixing plate 6. By providing the side fixing plates 23, the first ear seat fixing plate 5 and the second ear seat fixing plate 6 can be used to simultaneously fix and clamp the four sides of the ear seat 26, so that the ear seat 26 will not easily deviate or rotate during the welding process, thus making the product quality after welding higher and improving the qualified rate of the finished product.
[0040] A reinforcing rib 24 is provided on one side of the fixed plate 2 away from the movable plate 3. By providing the reinforcing rib, the strength of the fixed plate 2 can be improved to prevent the fixed plate 2 from bending during long-term use, thereby preventing the clamping device from malfunctioning.
[0041] Embodiment 5:
[0042] On the basis of the above-mentioned embodiment, a motor is installed in the operating table 30, and the output shaft of the motor is arranged upward and connected to the lower side of the rotating plate 32. The rotating plate 32 can be rotated automatically by setting the motor, and the motor can be a servo motor, so that the rotating angle of the rotating plate 32 can be accurately controlled each time.
[0043] The upper side of the rotating plate 32 is provided with a separation plate 35 between two adjacent assembling mechanisms. By providing the separation plate 35, each assembling mechanism can be isolated, so that the fire and heat generated during the welding process will not affect other assembling mechanisms being assembled.
[0044] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to the modifications and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.
Claims
1. An automatic welding device for narrow gaps after assembly, characterized in that: The invention comprises an operating table (30) and a mechanical arm (31) installed on one side of the operating table (30); a rotating plate (32) is rotatably arranged on the upper side of the operating table (30); at least two assembling mechanisms are installed on the upper side of the rotating plate (32); a welding gun (33) is installed on the operating end of the mechanical arm (31); a tubular welding nozzle (34) is arranged on the welding gun (33); the assembling mechanism comprises a base (1); a fixed plate (2) is vertically arranged on the base (1); and a movable plate (3) is arranged opposite to the fixed plate (2); a central tube fixing block (4) is arranged on one side of the fixed plate (2) facing the movable plate (3). ), the upper ends of the fixed plate (2) and the movable plate (3) are respectively provided with a first lifting ear seat fixing plate (5) and a second lifting ear seat fixing plate (6); a mounting plate (7) is vertically arranged on the upper side of the base (1) on the side of the movable plate (3) away from the fixed plate (2), and a sliding hole (8) is arranged on the mounting plate (7) facing the movable plate (3) and passing through both sides, and a first driving rod (9) is slidably arranged in the sliding hole (8), one end of the first driving rod (9) is connected to the side of the movable plate (3), and the other end is connected to a driving mechanism above the base (1) for driving the first driving rod (9) to move in the sliding hole (8).
2. The post-assembly narrow gap automatic welding device according to claim 1, characterized in that: The driving mechanism comprises a driving seat (10), wherein the driving seat (10) is provided with a driving hole (11) facing the first driving rod (9), a second driving rod (12) is slidably arranged in the driving hole (11), one end of the second driving rod (12) is connected to an end of the first driving rod (9) away from the movable plate (3); a driving groove (13) with an upward opening is provided on the upper side of the driving seat (10), the driving hole (11) is communicated with a groove wall of the driving groove (13), a driving handle (14) is installed in the driving groove (13), and an end of the second driving rod (12) away from the first driving rod (9) penetrates into the driving groove (13) and is connected to the driving handle (14).
3. The post-assembly narrow gap automatic welding device according to claim 2, characterized in that: A first driving bar (15) and a second driving bar (16) are arranged in the driving groove (13); the side surface of one end of the first driving bar (15) is rotationally connected to the side surface of one end of the second driving rod (12) placed in the driving groove (13); the side surface of the other end of the first driving bar (15) is rotationally connected to the side surface of one end of the second driving bar (16); the side surface of the other end of the second driving bar (16) is rotationally connected to the groove wall of the driving groove (13); and the driving handle (14) is connected to the upper side of the second driving bar (16).
4. The post-assembly narrow gap automatic welding device according to claim 3, characterized in that: A pressure hole (17) is provided at one end of the second driving rod (12) connected to the first driving rod (9); one end of the first driving rod (9) connected to the second driving rod (12) is slidably disposed in the pressure hole (17) and is connected to the bottom of the pressure hole (17) via a spring (18) in the pressure hole (17).
5. The post-assembly narrow gap automatic welding device according to claim 1, characterized in that: The mounting plate (7) is provided with a guide hole (19) parallel to the sliding hole (8), a guide rod (20) is slidably arranged in the guide hole (19), and one end of the guide rod (20) is connected to the movable plate (3).
6. The post-assembly narrow gap automatic welding device according to claim 1, characterized in that: A matching block (21) aligned with the central tube fixing block (4) is provided on one side of the movable plate (3) facing the fixed plate (2), and a clamping notch (22) is provided on the opposite side of the matching block (21) and the central tube fixing block (4).
7. The post-assembly narrow gap automatic welding device according to claim 1, characterized in that: A motor is installed in the operating table (30), and the output shaft of the motor is arranged upward and connected to the lower side of the rotating plate (32).
8. The post-assembly narrow gap automatic welding device according to claim 1, characterized in that: An isolation plate (35) is provided on the upper side of the rotating plate (32) between two adjacent assembling mechanisms.