Automatic assembly line for Freon filling tubes for automobile air conditioners
By designing a high degree of automation automatic assembly line for automotive air conditioning Freon filling pipes, the existing assembly line processes are messy and the efficiency of seal detection is solved, and efficient assembly and accurate airtightness detection of Freon filling pipes are achieved.
Patent Information
- Application Number
- CN202421300785.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The assembly line process of the existing automotive air conditioner Freon filling pipe is messy, and the Freon filling pipe is transferred many times and has a long distance, resulting in low seal detection efficiency.
An automatic assembly line for the Freon filling pipe of automobile air conditioning was designed, and the process connection was adopted with a high degree of automation, including a workbench, conveyor belt, mechanical claw assembly and airtight detection assembly to achieve efficient transfer and airtight detection of the Freon filling pipe.
It improves assembly efficiency and sealing detection accuracy, reduces manual operation, and reduces the generation of unqualified products.
Smart Images
Figure CN222740733U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of filling tube manufacturing and relates to an automatic assembly line for automobile air-conditioning freon filling tubes. Background Art
[0002] The Freon filling tube for automobile air conditioners is also called the automobile fluorine filling tube. The most common one on the market is a hose with a pressure gauge. One end of the hose has a sealing joint connected to the refrigerant tank, and the other end is a quick connector connected to the fluorine filling port. The sealing joint is a threaded connection, and the quick connector is plug-in clamped. In order to ensure the sealing of the Freon filling tube for automobile air conditioners, it is necessary to perform a sealing test on it after assembling the parts, which is the last link of the assembly line. However, the current assembly line process is relatively messy and cannot be concentrated on one device. The Freon filling tube is transferred many times and over a long distance. Utility Model Content
[0003] The purpose of the utility model is to solve the above problems in the existing technology and propose an automatic assembly line for automobile air-conditioning Freon filling tubes, which has a high degree of automation, compact transfer and connection of various working procedures, and high detection and assembly efficiency.
[0004] The purpose of the utility model can be achieved through the following technical solutions: an automatic assembly line for automobile air-conditioning freon filling tubes, comprising a workbench, a first conveyor belt, a second conveyor belt, and a mechanical claw assembly, characterized in that a loading platform is provided on one side of the workbench, the second conveyor belt is fixed above the workbench through a column, the first conveyor belt is connected between the loading platform and the second conveyor belt, a second left baffle and a second right baffle are fixed on both sides of the second conveyor belt, a notch is opened on the second left baffle, a feeding slide is fixed on the workbench, the upper end of the feeding slide is connected to the notch, a third baffle is provided on both sides of the feeding slide, the third baffle is connected to the second left baffle, a baffle plate is fixed on the lower end of the feeding slide, an inclined guide plate is embedded between the second left baffle and the second right baffle, one end of the inclined guide plate is in contact with the third baffle and guides the freon filling tube on the second conveyor belt to the notch, a detection station is provided on the workbench on one side of the feeding slide, and the mechanical claw assembly and the detection station are arranged on both sides of the second conveyor belt.
[0005] Furthermore, the workbench is provided with a circular track, a circular chain is provided on the inner side of the circular track, four sprockets are rotatably provided on the workbench, the circular chain is sleeved on the four sprockets, a main motor is fixed in the workbench, one of the sprockets is driven by the main motor, and a slide seat is provided on the circular track for sliding along it, and one side of the slide seat is fixed on the circular chain.
[0006] Furthermore, an air tightness detection component is fixed on the slide seat.
[0007] Furthermore, the air tightness detection component includes a mounting plate fixed on a sliding seat, a placement frame, a plurality of clamping connectors and a plurality of inflation connectors; the placement frame, the clamping connector and the inflation connector are all fixed on the mounting plate; the mounting plate is also provided with a clamp seat 1 and a clamp seat 2 for clamping both ends of the Freon filling tube; an air compressor and a control console are fixed on the workbench; the air outlet of the air compressor is connected to a main air supply pipe, and vertically arranged branch air supply pipes are connected to the main air supply pipe at intervals; each inflation connector passes through the mounting plate; an inflation cylinder is also fixed in the workbench; the lower end of the branch air supply pipe passes through the main air supply pipe and is connected to a pad; the telescopic rod of the inflation cylinder rests on the lower end surface of the pad; the front end of the placement frame is open and faces the clamp seat 1 and the clamp seat 2; a button for controlling the start and stop of the air compressor and the inflation cylinder is provided on the control console.
[0008] Furthermore, the clamping connector is a solid cylinder wrapped with a rubber sleeve.
[0009] Furthermore, the mechanical claw assembly includes a mechanical clamp, a support arm, a transverse slide rail, a strip box, a translation box, a lifting seat, and a lifting guide column. The support arm is fixed on the workbench, the strip box is fixed on the upper end of the support arm, the transverse slide rail is located in the strip box, a translation motor is also fixed in the strip box, a screw is rotated in the strip box, the translation motor drives the screw to rotate, the screw is threadedly connected to the translation box, the translation box is slidably arranged on the transverse slide rail, a lifting cylinder is fixed in the translation box, the mechanical clamp is fixed on the lower end of the lifting seat, the lower end of the lifting guide column is fixed on the lifting seat, the lifting guide column is slidably connected to the translation box, and the telescopic rod of the lifting cylinder is connected to the lifting seat.
[0010] The translation motor drives the translation box to move horizontally, and the cylinder drives the lifting seat and the mechanical gripper to move up and down.
[0011] Furthermore, the first conveyor belt is inclined upward, and first baffles are provided on both sides of the first conveyor belt.
[0012] Furthermore, a recycling box is provided on one side of the mechanical claw assembly.
[0013] The loading platform receives the Freon filling tubes transferred from the previous process. The workers place the Freon filling tubes on the loading platform one by one on the first conveyor belt. The first conveyor belt transfers the Freon filling tubes to the front end of the second conveyor belt. Due to the obstruction of the inclined guide plate and the thrust of the second conveyor belt, the Freon filling tubes slide along the inclined guide plate to the notch and finally slide down from the feeding slide, making it easy for the workers at the inspection station to pick them up. The inspection workers clamp the two ends of the Freon filling tube on the clamp seat 1 and the clamp seat 2 respectively, and at the same time, the clamping connector and the inflation connector are Insert the two ends into the two connecting ends of the Freon filling tube respectively, press the button to start the inflation cylinder, the inflation cylinder pushes the pad and the branch air pipe upward, so that the branch air pipe is inserted into the inflation connector. At this time, the air compressor can be controlled to fill air into the Freon filling tube. Since the other end of the Freon filling tube is blocked by the clamping connector, the air tightness of the Freon filling tube is tested. Since the Freon filling tube has a pressure gauge, the sealing can be directly judged from the pressure value on the pressure gauge. The qualified ones are pulled out by the inspection workers and put on the second conveyor belt above. The unqualified ones are left in the placement box. The main motor drives the sprocket to rotate, driving the circular chain to move, thereby driving the slide to slide along the circular track, so that the slide moves with the placement frame and the Freon filling tube to the grabbing position corresponding to the mechanical claw assembly, and the lifting cylinder drives the lifting seat and the mechanical claw to descend, the mechanical claw clamps the Freon filling tube and then rises up, the translation motor drives the screw to rotate, drives the translation box to retreat, and then puts the unqualified Freon filling tube into the recycling box.
[0014] Compared with the prior art, the automatic assembly line of the automobile air-conditioning freon filling tube has the following advantages:
[0015] 1. The degree of automation is high and the transfer and connection of each process are compact, and the inspection and assembly efficiency is high.
[0016] 2. The circular track is provided so that the mechanical claw assembly can accurately grasp the Freon filling tubes in the placement frame, and workers are not required to take out unqualified Freon filling tubes from the placement frame.
[0017] 3. The air tightness of multiple Freon filling tubes can be tested simultaneously with high testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural diagram of the automatic assembly line of the automobile air-conditioning freon filling tube.
[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the workbench.
[0020] Figure 3 This is a top view of the workbench.
[0021] Figure 4 It is a structural schematic diagram of the airtightness detection component.
[0022] Figure 5 It is a side view of the airtightness detection component.
[0023] Figure 6 It is the assembly drawing of the main air supply pipe and the branch air supply pipe.
[0024] In the figure, 1, workbench; 11, circular track; 12, circular chain; 13, sprocket; 14, slide seat; 2, first conveyor belt; 21, first baffle; 3, second conveyor belt; 31, second left baffle; 32, second right baffle; 33, notch; 34, feed slide; 35, third baffle; 36, baffle plate; 37, inclined guide plate; 4, mechanical claw assembly; 41, mechanical clamp; 42, support arm; 43, horizontal slide rail; 44, bar box; 45 , translation box; 46, lifting seat; 47, lifting guide column; 48, translation motor; 49, lifting cylinder; 5, loading table; 6, air tightness detection component; 61, mounting plate; 62, placement frame; 63, clamping connector; 64, inflation connector; 65, clamp seat one; 66, clamp seat two; 67, air compressor; 68, main air supply pipe; 69, branch air supply pipe; 610, inflation cylinder; 611, pad; 612, control console; 613, button; 7, recycling box. DETAILED DESCRIPTION
[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0026] like Figure 1-2 As shown, the automatic assembly line of automobile air-conditioning freon filling tubes includes a workbench 1, a first conveyor belt 2, a second conveyor belt 3, and a mechanical claw assembly 4. A loading platform 5 is provided on one side of the workbench 1. The second conveyor belt 3 is fixed above the workbench 1 through a column. The first conveyor belt 2 is connected between the loading platform 5 and the second conveyor belt 3. The first conveyor belt 2 is tilted upward, and a first baffle 21 is provided on both sides of the first conveyor belt 2. A second left baffle 31 and a second right baffle 32 are fixed on both sides of the second conveyor belt 3. A notch 33 is opened on the second left baffle 31. A feeding slide 34 is fixed on the workbench 1. The upper end of the feeding slide 34 is connected to the notch 33. A third baffle 35 is provided on both sides of the feeding slide 34. The third baffle 35 is connected to the second left baffle 31. A baffle plate 36 is fixed on the lower end of the feeding slide 34. An inclined guide plate 37 is embedded between the second left baffle 31 and the second right baffle 32. One end of the inclined guide plate 37 is in contact with the third baffle 35 and guides the Freon filling tube on the second conveyor belt 3 to the notch 33. The workbench 1 on one side of the feeding slide 34 is an inspection station, and the mechanical claw assembly 4 and the inspection station are arranged on both sides of the second conveyor belt 3.
[0027] like Figure 2As shown, the mechanical claw assembly 4 includes a mechanical clamp 41, a support arm 42, a transverse slide rail 43, a strip box 44, a translation box 45, a lifting seat 46, and a lifting guide column 47. The support arm 42 is fixed on the workbench 1, the strip box 44 is fixed at the upper end of the support arm 42, the transverse slide rail 43 is located in the strip box 44, a translation motor 48 is also fixed in the strip box 44, a screw is rotatably provided in the strip box 44, the translation motor 48 drives the screw to rotate, the screw is threadedly connected to the translation box 45, the translation box 45 is slidably set on the transverse slide rail 43, a lifting cylinder 49 is fixed in the translation box 45, the mechanical clamp 41 is fixed at the lower end of the lifting seat 46, the lower end of the lifting guide column 47 is fixed on the lifting seat 46, the lifting guide column 47 is slidably connected to the translation box 45, and the telescopic rod of the lifting cylinder 49 is connected to the lifting seat 46.
[0028] The translation motor 48 drives the translation box 45 to move horizontally, and the cylinder drives the lifting seat 46 and the mechanical clamp 41 to move up and down. A recovery box 7 is provided on one side of the mechanical clamp assembly 4.
[0029] like Figure 3 As shown, the workbench 1 is also provided with an annular track 11, an annular chain 12 is provided inside the annular track 11, four sprockets 13 are rotatably provided on the workbench 1, the annular chain 12 is sleeved on the four sprockets 13, a main motor is fixed inside the workbench 1, one of the sprockets 13 is driven by the main motor, a slide 14 is provided on the annular track 11 and slides along it, and one side of the slide 14 is fixed on the annular chain 12.
[0030] like Figure 4-6 As shown, an air tightness detection component 6 is fixed on the slide 14, and the air tightness detection component 6 includes a mounting plate 61 fixed on the slide 14, a placement frame 62, a plurality of clamping connectors 63 and a plurality of inflation connectors 64, and the clamping connector 63 is a solid cylinder wrapped with a rubber sleeve.
[0031] The placement frame 62, the clamping connector 63 and the inflation connector 64 are all fixed on the mounting plate 61. The mounting plate 61 is also provided with a clamp seat 1 65 and a clamp seat 2 66 for clamping the two ends of the Freon filling tube. An air compressor 67 and a control console 612 are fixed on the workbench 1.
[0032] The air outlet of the air compressor 67 is connected to the main air supply pipe 68, and the main air supply pipe 68 is connected to vertically arranged branch air supply pipes 69 at intervals. Each inflation connector 64 passes through the mounting plate 61. An inflation cylinder 610 is also fixed in the workbench 1. The lower end of the branch air supply pipe 69 passes through the main air supply pipe 68 and is connected to a pad 611. The telescopic rod of the inflation cylinder 610 rests on the lower end surface of the pad 611. The front end of the placement frame 62 is open and faces the clamp seat 1 65 and the clamp seat 2 66. A button 613 for controlling the start and stop of the air compressor 67 and the inflation cylinder 610 is provided on the control console 612.
[0033] Workflow: The loading platform 5 receives the Freon filling tubes transferred from the previous process. The workers place the Freon filling tubes on the loading platform 5 one by one on the first conveyor belt 2. The first conveyor belt 2 transfers the Freon filling tubes to the front end of the second conveyor belt 3. Due to the obstruction of the inclined guide plate 37 and the thrust of the second conveyor belt 3, the Freon filling tubes slide along the inclined guide plate 37 to the notch 33, and finally slide down from the feeding slide 34, which is convenient for the workers at the inspection station to pick up. The inspection workers clamp the two ends of the Freon filling tube body on the clamp seat 1 65 and the clamp seat 2 66 respectively, and at the same time make the clamping connector 63 and the inflation connector 6 4, the upper ends are respectively inserted into the two connecting ends of the Freon filling tube, and the button 613 is pressed to start the air cylinder 610. The air cylinder 610 pushes the pad 611 and the branch air pipe 69 upward, so that the branch air pipe 69 is inserted into the air charging connector 64. At this time, the air compressor 67 can be controlled to fill air into the Freon filling tube. Since the other end of the Freon filling tube is blocked by the clamping connector 63, the air tightness of the Freon filling tube is tested. Since the Freon filling tube is equipped with a pressure gauge, the sealing performance can be directly judged from the pressure value on the pressure gauge. The qualified ones are pulled out by the testing worker and placed on the second conveyor belt 3 above. The unqualified ones are left in the placement frame 62. The main motor drives the sprocket 13 to rotate, driving the circular chain 12 to move, thereby driving the slide 14 to slide along the circular track 11, so that the slide 14 moves with the placement frame 62 and the Freon filling tube to the grabbing position corresponding to the mechanical claw assembly 4, and the lifting cylinder 49 drives the lifting seat 46 and the mechanical clamp 41 to descend, and the mechanical clamp 41 clamps the Freon filling tube and then rises up, and the translation motor 48 drives the screw to rotate, driving the translation box 45 to retreat, and then puts the unqualified Freon filling tube into the recycling box 7.
[0034] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. An automatic assembly line for automobile air-conditioning freon filling tubes, comprising a workbench (1), a first conveyor belt (2), a second conveyor belt (3), and a mechanical claw assembly (4), characterized in that: A loading platform (5) is provided on one side of the workbench (1); a second conveyor belt (3) is fixed above the workbench (1) through a column; the first conveyor belt (2) is connected between the loading platform (5) and the second conveyor belt (3); a second left baffle plate (31) and a second right baffle plate (32) are fixed on both sides of the second conveyor belt (3); a notch (33) is provided on the second left baffle plate (31); a feeding slide (34) is fixed on the workbench (1); an upper end of the feeding slide (34) is connected to the notch (33); and third baffle plates (35) are provided on both sides of the feeding slide (34). ), the third baffle (35) is connected to the second left baffle (31), a baffle plate (36) is fixed to the lower end of the feeding slide (34), an inclined guide plate (37) is embedded between the second left baffle (31) and the second right baffle (32), one end of the inclined guide plate (37) is in contact with the third baffle (35) and guides the Freon filling tube on the second conveyor belt (3) to the notch (33), a detection station is provided on the workbench (1) on one side of the feeding slide (34), and the mechanical claw assembly (4) and the detection station are arranged on both sides of the second conveyor belt (3).
2. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 1 is characterized in that: The workbench (1) is also provided with an annular track (11), an annular chain (12) is provided inside the annular track (11), four sprocket wheels (13) are rotatably provided on the workbench (1), the annular chain (12) is sleeved on the four sprocket wheels (13), a main motor is fixed inside the workbench (1), one of the sprocket wheels (13) is driven by the main motor, a slide seat (14) is provided on the annular track (11) and slides along the annular track (11), and one side of the slide seat (14) is fixed on the annular chain (12).
3. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 2 is characterized in that: An air tightness detection component (6) is fixed on the slide seat (14).
4. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 3 is characterized in that: The air tightness detection assembly (6) comprises a mounting plate (61) fixed on a slide seat (14), a placement frame (62), a plurality of clamping connectors (63) and a plurality of inflation connectors (64); the placement frame (62), the clamping connectors (63) and the inflation connectors (64) are all fixed on the mounting plate (61); a clamping seat 1 (65) and a clamping seat 2 (66) for clamping the two ends of the Freon filling tube are also provided on the mounting plate (61); an air compressor (67) and a control console (612) are fixed on the workbench (1); an air outlet of the air compressor (67) is connected to a main air supply pipe (68); and the main air supply pipe (68) is connected to the main air supply pipe (69). A vertically arranged branch air pipe (69) is connected to the upper portion (68) at intervals, each inflation connector (64) passes through the mounting plate (61), an inflation cylinder (610) is also fixed in the workbench (1), the lower end of the branch air pipe (69) passes through the main air pipe (68) and is connected to a pad (611), the telescopic rod of the inflation cylinder (610) rests on the lower end surface of the pad (611), the front end of the placement frame (62) is open and faces the clamp seat 1 (65) and the clamp seat 2 (66), and a button (613) for controlling the start and stop of the air compressor (67) and the inflation cylinder (610) is provided on the control console (612).
5. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 4 is characterized in that: The clamping connector (63) is a solid cylinder wrapped with a rubber sleeve.
6. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 1 is characterized in that: The mechanical claw assembly (4) comprises a mechanical claw (41), a support arm (42), a transverse slide rail (43), a strip box (44), a translation box (45), a lifting seat (46), and a lifting guide column (47). The support arm (42) is fixed on the workbench (1), the strip box (44) is fixed on the upper end of the support arm (42), the transverse slide rail (43) is located in the strip box (44), a translation motor (48) is also fixed in the strip box (44), and a screw is provided in the strip box (44) for rotation. The translation motor (48) drives the screw rod to rotate, the screw rod is threadedly connected to the translation box (45), the translation box (45) is slidably arranged on the transverse slide rail (43), a lifting cylinder (49) is fixed in the translation box (45), the mechanical clamp (41) is fixed to the lower end of the lifting seat (46), the lower end of the lifting guide column (47) is fixed to the lifting seat (46), the lifting guide column (47) is slidably connected to the translation box (45), and the telescopic rod of the lifting cylinder (49) is connected to the lifting seat (46).
7. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 1 is characterized in that: The first conveyor belt (2) is inclined upward, and first baffles (21) are provided on both sides of the first conveyor belt (2).
8. The automatic assembly line for automobile air-conditioning Freon filling tubes according to claim 1 is characterized in that: A recovery box (7) is provided on one side of the mechanical claw assembly (4).