Air conditioner pipe joint welding tool
By designing an automated welding fixture for air conditioning pipe joints, and utilizing a rotating mechanism and airbag clamping technology, the problems of low efficiency and limited applicability of existing welding fixtures have been solved, achieving highly efficient automated welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2026-04-07
AI Technical Summary
Existing welding fixtures require manual operation when fixing air conditioning pipe joints, which is inefficient, cannot adapt to pipes with different degrees of curvature, and has a limited scope of application.
An air conditioning pipe joint welding fixture was designed, comprising a base, a welding platform, a rotating mechanism, an adjusting mechanism, a transmission mechanism, and a clamping block. The rotating mechanism drives the welding platform and clamping block to move, and the automatic clamping is achieved by combining an airbag and a pneumatic pipe. The angle of the support seat is adjusted to adapt to pipes with different degrees of curvature, and automated welding is achieved by threaded rods and limit sleeves.
It has achieved automated welding process, improved welding efficiency, adapted to pipelines with different degrees of curvature, reduced manual operation time, and expanded the scope of application.
Smart Images
Figure CN121798288A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of welding equipment technology, specifically to a welding fixture for air conditioning pipe joints. Background Technology
[0002] The evaporator input and output pipe assembly of the indoor unit of the air conditioner is made by welding the pipes and air conditioning pipe joints. During the welding process, welding fixtures are needed to fix the pipes and air conditioning pipe joints to improve the stability of the welding process and avoid the formation of incomplete welds.
[0003] Currently, welding fixtures require manual operation when fixing pipes and air conditioning pipe joints, which wastes time. Furthermore, during the fixing process, the welding device cannot weld the two, reducing the welding efficiency of hollow pipe joints. In addition, the existing welding fixtures cannot clamp and fix pipes with different degrees of curvature, resulting in a limited range of applications. Summary of the Invention
[0004] The purpose of this invention is to provide a welding fixture for air conditioning pipe joints to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: A welding fixture for air conditioning pipe joints includes a base and a welding platform. The base is connected to the welding platform via a rotating mechanism, which drives the welding platform to rotate. The welding platform has multiple circumferentially distributed support seats on its surface. Each support seat has a placement groove on its top, and symmetrically distributed groove bodies on the sidewalls of the placement grooves. Clamping blocks are slidably connected inside each groove body. The clamping blocks are connected to the rotating mechanism via a transmission mechanism. The rotating mechanism drives the welding platform to rotate while simultaneously driving the clamping blocks to move closer together via the transmission mechanism, thereby fixing the pipe. The support seats are connected to the welding platform via an adjusting mechanism, which adjusts the tilt angle of the support seats. Circumferentially distributed limiting sleeves, each corresponding to a support seat, are installed on the welding platform.
[0006] Furthermore: the limiting sleeve penetrates the welding platform and is threadedly connected to the welding platform.
[0007] Furthermore: the adjustment mechanism includes a threaded rod rotatably connected to the welding platform, a movable block threadedly connected to the threaded rod, and multiple connecting rods rotatably connected to the movable block in a circular arrangement. The other end of each connecting rod is rotatably connected to multiple support seats, and each support seat is rotatably connected to a support rod, the lower end of which is fixedly connected to the welding platform.
[0008] Furthermore: the rotating mechanism includes a motor fixedly connected to the base, a rotating rod installed at the output end of the motor, and the upper end of the rotating rod being rotatably connected to the welding platform.
[0009] Furthermore: the transmission mechanism includes an airbag disposed inside the tank body, one side of the airbag is fixedly connected to the inner wall of the tank body, and the other side is in contact with the clamping block. The airbag is connected to an air pipe, which passes through the support seat and is connected to the rotating mechanism through an inflation assembly.
[0010] Furthermore: the clamping block is fixedly connected with multiple limiting rods, the limiting rods extend into the support base and are slidably connected thereto, and the limiting rods are provided with a first elastic component on the outside, the two ends of the first elastic component being connected to the clamping block and the inner wall of the groove respectively.
[0011] Furthermore: the inflation assembly includes multiple air pressure tubes arranged in a circle, the air pressure tubes are fixedly connected to the inner wall of the base, the air pressure tubes are connected to the air pipes, a piston is slidably connected inside the air pressure tubes, the piston is fixedly connected to a push rod, the rotating mechanism is connected to a turntable, the side of the turntable is provided with protrusions distributed in a circle and pressing the push rod, wherein the number of protrusions is half the number of support seats.
[0012] Furthermore: the base is fixedly connected to a limiting ring, the push rod passes through the limiting ring and is slidably connected to it, and the piston is connected to the limiting ring through a second elastic component.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: When welding the air conditioning pipe joint, the pipe is placed inside the placement groove and the air conditioning pipe joint is placed inside the limiting sleeve. The moving block can be driven to move up and down through the threaded connection between the threaded rod and the moving block. The moving block drives the support seat to swing through the connecting rod, which plays an adjustment role in the tilt angle of the support seat. This allows the support seat to support pipes with different degrees of curvature, thereby allowing the clamping block to fix pipes with different degrees of curvature, thus improving the applicability. The welding platform is rotated intermittently by rotating the rod, thereby rotating half of the support seats to the position of the welding device. The welding device is used to weld the air conditioning pipe joints. At the same time, the workers can place the unwelded pipes in the placement slots inside the other half of the support seats, so that the welding process and the removal of pipes can be carried out simultaneously, which improves the welding efficiency of air conditioning pipe joints. As the rotating rod rotates, it also drives the turntable to rotate. The turntable causes the protrusions on its side to move in a circular motion. The protrusions squeeze the push rod, and the push rod drives the piston to slide inside the air pressure pipe. This allows the gas inside the air pressure pipe to enter the airbag through the air pipe. The airbag expands and squeezes the clamping blocks, causing the clamping blocks to move closer together and thus fix the pipe. This eliminates the need for manual pipe fixing, saving time and improving the welding efficiency of air conditioning pipe joints. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present invention.
[0015] Figure 2 This is a schematic diagram of the support base connection structure in an embodiment of the present invention.
[0016] Figure 3 This is a schematic diagram of the connection structure between the welding platform and the base in an embodiment of the present invention.
[0017] Figure 4 This is a cross-sectional view of the internal structure of the support base in an embodiment of the present invention.
[0018] Figure 5 This is a schematic diagram of the turntable structure in an embodiment of the present invention.
[0019] Figure 6 for Figure 5 Enlarged view of point A in the middle.
[0020] In the diagram: 1-Welding platform; 2-Base; 3-Adjusting mechanism; 31-Threaded rod; 32-Moving block; 33-Connecting rod; 34-Support rod; 4-Rotating mechanism; 41-Motor; 42-Rotating rod; 5-Transmission mechanism; 51-Airbag; 52-Air pipe; 53-First elastic component; 54-Limiting rod; 55-Air pressure pipe; 56-Limiting ring; 57-Push rod; 58-Turntable; 59-Piston; 510-Second elastic component; 6-Support seat; 7-Placement groove; 8-Clamping block; 9-Limiting sleeve. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.
[0022] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.
[0023] In one embodiment, see Figure 1 and Figure 3 A welding fixture for air conditioning pipe joints includes a base 2 and a welding platform 1. The base 2 is connected to the welding platform 1 via a rotating mechanism 4, which drives the welding platform 1 to rotate. The surface of the welding platform 1 is provided with multiple support seats 6 arranged in a circular pattern. The top of the support seat 6 is provided with a placement groove 7, and the side wall of the placement groove 7 is provided with symmetrically distributed grooves. Clamping blocks 8 are slidably connected inside the grooves. The clamping blocks 8 are connected to the rotating mechanism 4 via a transmission mechanism 5. While the rotating mechanism 4 drives the welding platform 1 to rotate, the transmission mechanism 5 drives the clamping blocks 8 to move closer to each other, thereby fixing the pipe. The support seats 6 are connected to the welding platform 1 via an adjusting mechanism 3, which is used to adjust the tilt angle of the support seats 6. The welding platform 1 is equipped with circumferentially distributed limiting sleeves 9 that correspond one-to-one with the support seats 6.
[0024] In this embodiment, when welding the air conditioning pipe joint, the pipe is placed inside the placement groove 7, and the air conditioning pipe joint is placed inside the limiting sleeve 9. Simultaneously, the end of the pipe is connected to the air conditioning pipe joint. The limiting sleeve 9 passes through the welding platform 1 and is threadedly connected to it. This threaded connection allows the limiting sleeve 9 to rotate up and down, adjusting its height to accommodate air conditioning pipe joints of varying lengths. Furthermore, the tilt angle of the support seat 6 can be adjusted via the adjusting mechanism 3, enabling the support seat 6 to support pipes with different degrees of curvature. The clamping block 8 can then fix pipes with varying degrees of curvature. Subsequently, the rotating mechanism 4 rotates the welding platform 1 by a certain angle, thereby rotating half of the support seats 6 to the position of the welding device. The welding device then welds the air conditioning pipe joint. While welding is being performed, workers can also place the unwelded pipes inside the placement groove 7 inside the other half of the support 6, allowing the welding process and pipe removal to be carried out simultaneously, thereby improving the welding efficiency of the air conditioning pipe joints. During the rotation of the welding platform 1, the rotating mechanism 4 will also drive the two clamps 8 inside the groove to move closer to each other through the transmission mechanism 5. The pipes are fixed by the proximity of the clamps 8, which can prevent shaking during the welding of the air conditioning pipes and improve the welding effect. When the air conditioning pipe joint is welded, the rotating mechanism 4 will drive the welding platform 1 to rotate a certain angle again, and the clamps 8 will move away from each other, thereby releasing the fixation of the pipes. At this time, the workers can remove the welded air conditioning pipe joint and replace it with the unwelded air conditioning pipe joint and pipes. The entire welding process does not require manual fixation of the pipes, saving time.
[0025] Please see Figure 2 The adjustment mechanism 3 includes a threaded rod 31 rotatably connected to the welding platform 1. The threaded rod 31 is threadedly connected to a moving block 32. The moving block 32 is rotatably connected to a plurality of connecting rods 33 distributed in a circle. The other end of the connecting rods 33 is rotatably connected to a plurality of support seats 6. Each support seat 6 is rotatably connected to a support rod 34. The lower end of the support rod 34 is fixedly connected to the welding platform 1. Before welding the hollow pipe joint, the threaded rod 31 can be rotated. The threaded connection between the threaded rod 31 and the moving block 32 drives the moving block 32 to move up and down. The moving block 32 drives the support seat 6 to swing through the connecting rod 33, which plays an adjustment role in the tilt angle of the support seat 6, so that the support seat 6 can support pipelines with different degrees of curvature, thereby improving the applicability of the tooling.
[0026] Please see Figure 3 The rotating mechanism 4 includes a motor 41 fixedly connected to the base 2, and a rotating rod 42 is installed at the output end of the motor 41. The upper end of the rotating rod 42 is rotatably connected to the welding platform 1. When welding hollow pipe joints, the motor 41 is started. The motor 41 drives the welding platform 1 to rotate intermittently through the rotating rod 42, so that the clamping block 8 can continuously clamp and fix the pipe. No personnel are required to fix the pipe, saving time. At the same time, half of the support seats 6 can be rotated to the position of the welding device, and the welding device automatically welds the air conditioning pipe joints. The welding process and pipe removal can be carried out simultaneously, thereby improving the welding efficiency of air conditioning pipe joints.
[0027] Please see Figure 4 The transmission mechanism 5 includes an airbag 51 disposed inside the tank. One side of the airbag 51 is fixedly connected to the inner wall of the tank, and the other side is in contact with the clamping block 8. The airbag 51 is connected to an air pipe 52, which passes through the support seat 6 and is connected to the rotating mechanism 4 through the inflation assembly. While the rotating mechanism 4 drives the welding platform 1 to rotate, it also inflates the airbag 51 through the inflation component. The airbag 51 expands and squeezes the clamping block 8, thereby bringing the clamping block 8 closer together and thus completing the fixation of the pipeline. There is no need for manual fixation of the pipeline, saving time and improving the welding efficiency of the air conditioning pipe joint.
[0028] Please see Figure 5 and Figure 6 The clamping block 8 is fixedly connected with a plurality of limiting rods 54. The limiting rods 54 extend into the support base 6 and are slidably connected thereto. The limiting rods 54 are provided with a first elastic component 53 on the outside. The two ends of the first elastic component 53 are respectively connected to the clamping block 8 and the inner wall of the groove. The first elastic component 53 resets the clamping block 8, allowing it to automatically enter the tank, making it easier for workers to remove the pipe from the placement tank 7. The first elastic component 53 can be a spring, and the limiting rod 54 limits the clamping block 8, improving the stability of the clamping block 8 during movement.
[0029] Please see Figure 5 and Figure 6 The inflation assembly includes multiple air pressure tubes 55 arranged in a circle. The air pressure tubes 55 are fixedly connected to the inner wall of the base 2. The air pressure tubes 55 are connected to the air pipes 52. A piston 59 is slidably connected inside the air pressure tubes 55. The piston 59 is fixedly connected to the push rod 57. The rotating mechanism 4 is connected to a turntable 58. The turntable 58 has protrusions arranged in a circle on its side that squeeze the push rod 57. The number of protrusions is half the number of support seats 6. The rotating mechanism 4 drives the welding platform 1 to rotate, and also drives the turntable 58 to rotate. The turntable 58 drives the protrusions on its side to make a circular motion. While the protrusions are moving in a circular motion, they squeeze the push rod 57. The push rod 57 drives the piston 59 to slide inside the air pressure pipe 55, so that the gas inside the air pressure pipe 55 enters the air bag 51 through the air pipe 52, thereby completing the fixation of the pipeline. There is no need for manual fixation of the pipeline, saving time. Moreover, the number of protrusions is half that of the support base 6. Half of the push rods 57 are squeezed by the protrusions, while the other half of the push rods 57 are not squeezed by the protrusions, so that half of the clamping blocks 8 can fix the pipeline. The welding device welds the fixed pipeline and air conditioning pipe joint. The other half of the clamping blocks 8 is located inside the tank, which makes it convenient for the staff to pick up the pipeline. The welding process and pipeline picking can be carried out simultaneously, improving the welding efficiency of the air conditioning pipe joint.
[0030] Please see Figure 1 The base 2 is fixedly connected to a limiting ring 56, the push rod 57 passes through the limiting ring 56 and is slidably connected to it, and the piston 59 is connected to the limiting ring 56 through a second elastic component 510. The limiting ring 56 limits the push rod 57, thereby improving the stability of the push rod 57 when it moves. The second elastic component 510 resets the piston 59. The second elastic component 510 can be a spring.
[0031] Working principle: When welding the air conditioning pipe joint, the pipe is placed inside the placement groove 7, and the air conditioning pipe joint is placed inside the limiting sleeve 9. Simultaneously, the end of the pipe is connected to the air conditioning pipe joint. Before welding the hollow pipe joint, the threaded connection between the threaded rod 31 and the moving block 32 can drive the moving block 32 to move up and down. The moving block 32, through the connecting rod 33, drives the support seat 6 to swing, adjusting the tilt angle of the support seat 6 so that it can support pipes with different degrees of curvature. Then, the motor 41 is started. The motor 41 drives the welding platform 1 to rotate intermittently through the rotating rod 42, thereby rotating half of the support seats 6 to the position of the welding device. The air conditioning pipe joint is then welded by the welding device. Personnel can also place the unwelded pipes inside the placement slot 7 inside the other half of the support 6, so that the welding process and pipe retrieval can be carried out simultaneously, improving the welding efficiency of air conditioning pipe joints. During the rotation of the welding platform 1, the rotating rod 42 will also drive the turntable 58 to rotate. The turntable 58 will drive the protrusion on its side to make a circular motion. At the same time, the protrusion squeezes the push rod 57. The push rod 57 drives the piston 59 to slide inside the air pressure pipe 55, so that the gas inside the air pressure pipe 55 enters the air bag 51 through the air pipe 52. The air bag 51 expands and squeezes the clamping block 8, thereby bringing the clamping blocks 8 closer together and thus completing the fixation of the pipe. There is no need for manual fixation of the pipe, saving time and improving the welding efficiency of air conditioning pipe joints.
[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A welding fixture for air conditioning pipe joints, comprising a base and a welding platform; characterized in that, The base is connected to the welding platform via a rotating mechanism, which drives the welding platform to rotate. The surface of the welding platform is provided with multiple support seats arranged in a circular pattern. The top of the support seat is provided with a placement groove, and the side wall of the placement groove is provided with symmetrically distributed grooves. Clamping blocks are slidably connected inside each groove. The clamping blocks are connected to the rotating mechanism via a transmission mechanism. While the rotating mechanism drives the welding platform to rotate, it drives the clamping blocks to move closer to each other through the transmission mechanism, thereby fixing the pipeline. The support seat is connected to the welding platform via an adjustment mechanism, which is used to adjust the tilt angle of the support seat. The welding platform is equipped with circumferentially distributed limiting sleeves that correspond one-to-one with the support seats.
2. The air conditioning pipe joint welding fixture according to claim 1, characterized in that, The limiting sleeve passes through the welding platform and is threadedly connected to the welding platform.
3. The air conditioning pipe joint welding fixture according to claim 1, characterized in that, The adjustment mechanism includes a threaded rod rotatably connected to the welding platform. The threaded rod is threadedly connected to a movable block. The movable block is rotatably connected to a plurality of connecting rods distributed in a circle. The other end of each connecting rod is rotatably connected to a plurality of support seats. Each support seat is rotatably connected to a support rod, and the lower end of the support rod is fixedly connected to the welding platform.
4. A welding fixture for air conditioning pipe joints according to claim 1 or 2, characterized in that, The rotating mechanism includes a motor fixedly connected to the base, a rotating rod installed at the output end of the motor, and the upper end of the rotating rod being rotatably connected to the welding platform.
5. The air conditioning pipe joint welding fixture according to claim 1, characterized in that, The transmission mechanism includes an airbag disposed inside the tank. One side of the airbag is fixedly connected to the inner wall of the tank, and the other side is in contact with the clamping block. The airbag is connected to an air tube, which passes through the support base and is connected to the rotating mechanism through an inflation assembly.
6. The air conditioning pipe joint welding fixture according to claim 5, characterized in that, The clamping block is fixedly connected to multiple limiting rods. The limiting rods extend into the support base and are slidably connected thereto. The limiting rods are provided with a first elastic component on their exterior. The two ends of the first elastic component are respectively connected to the clamping block and the inner wall of the groove.
7. A welding fixture for air conditioning pipe joints according to claim 5 or 6, characterized in that, The inflation assembly includes multiple air pressure tubes arranged in a circle. The air pressure tubes are fixedly connected to the inner wall of the base. The air pressure tubes are connected to the air pipes. A piston is slidably connected inside the air pressure tube. A push rod is fixedly connected to the piston. The rotating mechanism is connected to a turntable. The side of the turntable has protrusions that are distributed in a circle and squeeze the push rod. The number of protrusions is half the number of support seats.
8. The air conditioning pipe joint welding fixture according to claim 7, characterized in that, The base is fixedly connected to a limiting ring, the push rod passes through the limiting ring and is slidably connected to it, and the piston is connected to the limiting ring through a second elastic component.