Automatic processing method for automobile air conditioner pipe

Abstract

The application discloses an automatic processing method for an automobile air conditioner pipe, and comprises the following specific steps: step one, a first stamping device is used for stamping one end of the pipe body and forming a necked section at the one end of the pipe body; step two, a rotary groove processing device is used for processing a ring groove structure on the outside of the necked section; step three, a first oil removing device is used for removing lubricating oil on the surface of the one end of the pipe body; step four, an upper pressing plate device is used for sleeving a pressing plate on the one end of the pipe body, which is away from the necked section; step five, a second stamping device is used for stamping the one end of the pipe body, which is close to the pressing plate, so as to form an extrusion drum structure at the end of the pipe body; step six, a punching device is used for punching the pipe body; step seven, a second oil removing device is used for removing lubricating oil on the one end of the pipe body; and step eight, a detection device is used for visually detecting the two ends of the pipe body. The application can automatically process the automobile air conditioner pipe, the whole processing process does not need the participation of an operator, the labor cost is greatly reduced, and the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of pipe processing technology, and in particular to an automatic processing method for automotive air conditioning pipes. Background Technology

[0002] An existing type of automotive air conditioning pipe has the following structure: Figure 20 As shown, the automotive air conditioning pipe includes a pipe body 15-1, one end of which has a constricted section 15-2, the outer diameter of which is smaller than the outer diameter of the pipe body; the outer surface of the constricted section 15-2 has an annular groove structure; the other end of the pipe body 15-1 is fitted with a pressure plate 15-4, which has a pipe hole, through which one end of the pipe body passes, and the pressure plate 15-4 is fixed to the pipe body 15-1. In addition, a through hole 15-5 is also provided on the pipe body 15-1.

[0003] In actual production, the automotive air conditioning pipe uses a straight tube as a blank. This blank needs to undergo multiple processing steps to finally obtain the required automotive air conditioning pipe. In traditional production methods, each process station requires manual operation by operators. The entire production line requires a large number of workers to operate different processes, resulting in high labor costs and low production efficiency. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies and provide an automatic processing method for automotive air conditioning pipes.

[0005] The objective of this invention is achieved through the following technical solution: an automatic processing method for automotive air conditioning pipes, comprising the following specific steps: Step 1: The material transfer device moves the tube to the first stamping device, which stamps one end of the tube and forms a constricted section at one end. Step 2: The material transfer device transfers the tube body from the first stamping device to the grooving device, where the grooving device processes an annular groove structure on the outside of the constricted section. Step 3: The transfer device transfers the tube body from the grooving device to the first degreasing device, and the first degreasing device removes the lubricating oil from the surface of the tube body near the constricted section. Step 4: The material transfer device transfers the pipe body from the first degreasing device to the upper pressure plate device, and the upper pressure plate device puts the pressure plate onto the end of the pipe body away from the constriction section; Step 5: The material transfer device transfers the tube body from the upper pressure plate device to the second stamping device. The second stamping device stamps the end of the tube body near the pressure plate to form an extrusion drum structure at the end of the tube body. The extrusion drum structure causes the pressure plate to expand and fix on the tube body. Step 6: The material transfer device transfers the tube body from the second stamping device to the punching device, and the punching device performs a punching operation on the tube body to form a through hole. Step 7: The material transfer device transfers the tube body from the punching device to the second degreasing device, and the second degreasing device removes the lubricating oil from the surface of the tube body near the pressure plate. Step 8: The transfer device transfers the tube to the inspection device, which then performs visual inspection on both ends of the tube to determine whether the shape of both ends of the tube is qualified. Step 9: The unloading robot unloads the processed tube body.

[0006] Preferably, in step four, the upper pressure plate device includes a second electric guide rail, a base, a pressure plate waiting component for storing the pressure plate, a pressure plate moving device, and a material feeding cylinder. The second electric guide rail is equipped with an upper pressure plate clamping mold for clamping the tube body. The base is equipped with a mandrel guide rail, and a mandrel guide seat is slidably connected to the mandrel guide rail. The mandrel guide seat is equipped with a mandrel corresponding to the upper pressure plate clamping mold. The front end of the mandrel is equipped with an insertion head, the outer diameter of which is smaller than the inner diameter of the tube body. The base is equipped with a mandrel driving cylinder for driving the mandrel guide seat to move. When the tube body is clamped on the upper pressure plate clamping mold, the end of the tube body away from the constricted section is directly opposite the mandrel, and the mandrel is coaxially arranged with the tube body. The pressure plate moving device is equipped with a pressure plate gripper for gripping the pressure plate. A feeding block is connected to the material feeding cylinder. When the pressure plate is fitted onto the tube body, the pressure plate clamping jaws on the pressure plate moving device grab the pressure plate from the pressure plate waiting part and move the pressure plate between the mandrel and the tube body held by the upper pressure plate clamping mold. The mandrel drive cylinder drives the mandrel to move towards the tube body, and the insertion head at the front end of the mandrel passes through the tube hole on the pressure plate and is inserted into the tube opening at one end of the tube body. Then, the material feeding cylinder drives the feeding block to move axially towards the tube fitting, and the feeding block feeds the pressure plate from the mandrel onto the tube fitting. After the pressure plate is fitted onto the tube body, the insertion head on the mandrel is withdrawn from the tube body. The pressure plate clamping jaws release the pressure plate.

[0007] Preferably, in step six, the punching device includes a third electric guide rail and a feeding moving device. The third electric guide rail is provided with a mounting base, the mounting base is provided with a first rotary drive device, and the first rotary drive device is connected to a rotary clamp. The feeding moving device is provided with a feeding clamp for holding the tube body. The feeding clamps are equipped with a fixed clamping block and a corresponding movable clamping block. The movable clamping block is connected to a movable clamping block drive cylinder, which drives the movable clamping block to move. Both the fixed clamping block and the movable clamping block are equipped with clamping grooves. A punching cylinder is located above the fixed clamping block, and a punching cutter is connected to the punching cylinder. The fixed clamping block is equipped with a punching cutter guide hole, one end of which communicates with the clamping groove on the fixed clamping block. The punching cutter extends into the punching cutter guide hole. A shaping cylinder is provided on one side of the fixed clamping block, and a shaping tool is connected to the shaping cylinder; a shaping tool guide hole is provided on the fixed clamping block, and one end of the shaping tool guide hole is connected to the clamping groove on the fixed clamping block; the shaping tool extends into the shaping tool guide hole.

[0008] As a preferred embodiment, the specific method for the punching device to punch holes in the pipe body is as follows: The tube is clamped on the feeding clamp. The feeding moving device drives the tube to move between the fixed clamp and the movable clamp. Then the movable clamp drives the hydraulic cylinder to move the movable clamp and clamp the tube. The punching cylinder drives the punching cutter to move downward and punch a hole in the tube to form a through hole; after punching is completed, the punching cutter moves upward to reset; the movable clamping block moves away from the fixed clamping block and releases the tube. The third electric guide rail drives the rotating clamp to move towards the tube body and clamp one end of the tube body. Then the feeding clamp releases the tube body and drives the rotating clamp to rotate through the first rotary drive device. When the through hole on the tube body rotates to align with the shaping tool, the first rotary drive device stops. Then the feeding clamp clamps the tube body, the rotating clamp releases the tube body, the movable clamping block drive cylinder drives the movable clamping block to move and clamp the tube body, the shaping cylinder drives the shaping tool to move, the shaping tool extends into the through hole on the tube body and then exits from the through hole. The movable clamping block loosens the tube body, and the third electric guide rail drives the tube body to move and exit between the fixed clamping block and the movable clamping block, thereby completing the drilling operation and shaping the through hole.

[0009] Preferably, in step eight, the detection device includes a fifth electric guide rail, a detection moving seat on the fifth electric guide rail, a second rotary cylinder on the detection moving seat, a detection gripper for clamping the tube body on the second rotary cylinder, a second visual detection device for visually inspecting the end of the tube body at one end of the fifth electric guide rail, and a second rotary drive device at the other end of the fifth electric guide rail, with a rotary detection clamp connected to the second rotary drive device.

[0010] Preferably, in step eight, the detection device performs the following detection method on the tube: the tube is clamped on the detection jaws, and the tube is rotated by the second rotary cylinder so that one end of the tube is aligned with the rotary detection clamp. Then, the fifth electric guide rail drives the tube to move and the rotary detection clamp clamps one end of the tube. Subsequently, the detection jaws release the tube, and the second rotary drive device drives the tube to rotate 360° around its own central axis. During the rotation of the tube, the second visual detection device performs visual detection on the end of the tube that is directly opposite the second visual detection device. After one end of the tube is inspected, the rotating inspection clamp releases the tube, and the fifth electric guide rail moves the tube so that the end of the tube exits the rotating inspection clamp. Then, the second rotating cylinder rotates the tube 180 degrees horizontally and aligns the other end of the tube with the rotating inspection clamp. Next, the fifth electric guide rail drives the tube to move and the rotating inspection clamp clamps one end of the tube. Then, the inspection gripper releases the tube, and the second rotating drive device rotates the tube 360 ​​degrees around its own central axis. During the rotation of the tube, the second vision inspection device performs visual inspection on the end of the tube that is directly opposite the second vision inspection device. After both ends of the tube have been inspected, the rotating inspection clamp releases the tube, and the fifth electric guide rail moves the tube so that the end of the tube exits from the rotating inspection clamp.

[0011] Preferably, the first and second oil removal devices have the same structure. Both the first and second oil removal devices include a first electric guide rail. The first electric guide rail is provided with an oil removal clamp for fixing the tube body. One end of the first electric guide rail is provided with an oil removal component. The oil removal component has an oil blowing chamber. The radial outer side of the oil blowing chamber is provided with an air blowing channel. One end of the air blowing channel is connected to the air blowing chamber, and the other end of the air blowing channel is connected to an air pump through a connecting pipe. One end of the oil blowing chamber is an open end, and the other end of the oil blowing chamber is provided with an air extraction pipe, which is connected to an air extraction pump.

[0012] Preferably, the material transfer device includes a crossbeam with several material transfer manipulators mounted on it.

[0013] Preferably, in step nine, the unloading robot has a good product frame and a defective product frame on both sides; the unloading robot places the qualified tubes into the good product frame and the unqualified tubes into the defective product frame.

[0014] The beneficial effects of this invention are: 1. This invention can automate the processing of automotive air conditioning pipes. The entire processing process does not require the participation of operators, which greatly reduces labor costs and improves production efficiency.

[0015] 2. In this invention, the detection device can perform visual inspection on both ends of the tube, which can promptly detect defective products and ensure the product pass rate. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the feeding device.

[0018] Figure 3 This is a schematic diagram of the first stamping device.

[0019] Figure 4 This is a schematic diagram of the grooving processing device.

[0020] Figure 5 This is a schematic diagram of the first oil removal device.

[0021] Figure 6 This is a schematic diagram of the upper pressure plate device.

[0022] Figure 7 for Figure 6 Enlarged view of section A.

[0023] Figure 8 This is a side view of the upper pressure plate device.

[0024] Figure 9 This is a schematic diagram showing the fit between the mandrel and the tube body when the pressure plate is fitted onto the tube.

[0025] Figure 10 This is a schematic diagram of the second stamping device.

[0026] Figure 11 This is a schematic diagram of the punching device.

[0027] Figure 12 for Figure 11 Enlarged view of section B in the middle.

[0028] Figure 13 This is a side view of the punching device.

[0029] Figure 14 This is a schematic diagram of the barcode scanning device.

[0030] Figure 15 This is a schematic diagram of the structure being tested.

[0031] Figure 16 This is a side view of the detection device.

[0032] Figure 17 This is a schematic diagram of the material transfer device.

[0033] Figure 18 This is a schematic diagram of the unloading robot.

[0034] Figure 19 This is a flowchart of the processing technology of the present invention.

[0035] Figure 20 This is a schematic diagram of the structure of an existing automotive air conditioning pipe.

[0036] In the diagram: 1. First stamping device; 1-1. First stamping die; 1-2. First die; 2. Grooving device; 3. First degreasing device; 3-1. First electric guide rail; 3-2. Degreasing die; 3-3. Degreasing component; 3-4. Oil blowing chamber; 3-5. Air blowing channel; 3-6. Air extraction pipe; 4. Upper pressure plate device; 4-1. Second electric guide rail; 4-2. Upper pressure plate die; 4-3. Base; 4-4. Mandrel guide rail; 4-5. Mandrel guide seat; 4-6. Mandrel drive cylinder; 4-7. Mandrel; 4-8. Pressure plate waiting component; 4-9. Pushing device; -10. Pressure plate moving device; 4-11. Pressure plate gripper; 4-12. Ejector cylinder; 4-13. Ejector block; 4-15. First vision inspection device; 4-16. Insert head; 4-17. Material ejector cylinder; 4-18. Ejector block; 5. Second stamping device; 5-1. Second stamping die; 5-2. Second die; 5-3. Baffle drive cylinder; 5-4. Baffle; 5-5. Slider; 6. Punching device; 6-1. Third electric guide rail; 6-2. Mounting base; 6-3. First rotary drive device; 6-4. Rotary clamp; 6-5. Support base; 6-6. Punching oil. 6-7. Cylinder, 6-8. Punching tool, 6-9. Fixed clamping block, 6-10. Shaping cylinder, 6-11. Movable clamping block drive cylinder, 6-12. Feeding moving device, 6-13. Feeding clamp, 6-14. Clamping groove, 6-15. Shaping tool guide hole, 7. Second degreasing device, 8. Coding and scanning device, 8-1. Fourth electric guide rail, 8-2. Sliding seat, 8-3. First rotary cylinder, 8-4. Coding gripper, 8-5. Lifting column, 8-6. Laser marking device, 8-7. Scanning device, 9. Detection device, 9-1. Fifth electric guide rail, 9-2. Detection moving device 9-3. Second rotary cylinder, 9-4. Inspection gripper, 9-5. Ring supplement light, 9-6. Second vision inspection device, 9-7. Second rotary drive device, 10. Unloading robot, 11. Loading device, 12. Transfer device, 12-1. Crossbeam, 12-2. Transfer robot, 12-3. Transfer gripper, 15. Automotive air conditioning pipe, 15-1. Pipe body, 15-2. Narrowing section, 15-3. Ring groove structure, 15-4. Pressure plate, 15-5. Through hole, 15-6. Extrusion drum structure, 15-7. Identification code, 16. Good product frame, 17. Defective product frame. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention are within the scope of protection of the present invention.

[0038] Those skilled in the art should understand that, in the disclosure of this invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting this invention.

[0039] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0040] like Figures 1 to 19 As shown, an automatic processing method for automotive air conditioning pipes is implemented by an automatic automotive air conditioning pipe processing production line. The automatic automotive air conditioning pipe processing production line includes a feeding device 11, a first stamping device 1, a grooving device 2, a first degreasing device 3, an upper pressure plate device 4, a second stamping device 5, a punching device 6, a second degreasing device 7, a coding and scanning device 8, a detection device 9, an unloading robot 10, and a transferring device 12. The feeding device 11, the first stamping device 1, the grooving device 2, the first degreasing device 3, the upper pressure plate device 4, the second stamping device 5, the punching device 6, the second degreasing device 7, the coding and scanning device 8, the detection device 9, the unloading robot 10, and the transferring device 12 are arranged sequentially along a straight line.

[0041] The material transfer device 12 is used to move the tube body 15-1. The material transfer device 12 includes a crossbeam 12-1, on which several material transfer manipulators 12-2 are mounted. Each material transfer manipulator 12-2 is equipped with a material transfer gripper 12-3. The material transfer grippers 12-3 are used to grip the tube body 15-1. The material transfer grippers 12-3 can move along the X-axis, Y-axis, and Z-axis, and can rotate around their own central axis. By rotating the material transfer grippers 12-3 around their own central axis, the gripped tube body 15-1 can be turned around.

[0042] The automatic processing method for automotive air conditioning pipes includes the following specific steps: Step 1: The material transfer device 12 moves the tube body 15-1 onto the first stamping device 1. The first stamping device 1 stamps one end of the tube body 15-1 and forms a constricted section 15-2 at one end of the tube body 15-1.

[0043] In this step, the tubes 15-1 to be processed are stored in the feeding device 11, and the feeding device 11 discharges the tubes 15-1 one by one. The feeding device 11 adopts existing technology.

[0044] The material handling robot 12-2 uses the material handling gripper 12-3 to grab a tube 15-1 from the feeding device 11 and move the tube 15-1 to the first stamping device 1.

[0045] The first stamping device 1 includes a first stamping clamping die 1-1 and a first punch 1-2. The first stamping clamping die 1-1 is used to clamp the tube body 15-1. The first punch 1-2 is correspondingly arranged with the first stamping clamping die 1-1. The first punch 1-2 is mounted on the stamping drive mechanism. The stamping drive mechanism drives the first punch 1-2 to move and applies stamping force to the first punch 1-2.

[0046] When one end of the tube body 15-1 is stamped, the tube body 15-1 is moved to the first stamping die 1-1 on the first stamping device 1. The tube body 15-1 is clamped by the first stamping die 1-1. After the tube body 15-1 is clamped, one end of the tube body 15-1 faces the first stamping die 1-2. The stamping drive mechanism drives the first stamping die 1-2 to move toward the tube body 15-1 and apply stamping force. After the stamping die stamps one end of the tube body 15-1, a constricted section 15-2 is formed at one end of the tube body 15-1.

[0047] Step 2: After the first stamping device 1 stamps one end of the tube body 15-1, the material transfer device transfers the tube body 15-1 from the first stamping device 1 to the grooving device 2. The grooving device processes the annular groove structure 15-3 on the outside of the constricted section 15-2.

[0048] Among them, the grooving device 2 adopts existing technology.

[0049] Step 3: After the grooving device 2 finishes processing the tube body 15-1, the transfer device transfers the tube body from the grooving device to the first degreasing device 3, and removes the lubricating oil from the surface of the tube body near the constricted section through the first degreasing device 3.

[0050] The first degreasing device 3 includes a first electric guide rail 3-1, on which a degreasing clamp 3-2 for fixing the tube body 15-1 is provided. One end of the first electric guide rail 3-1 is provided with a degreasing component 3-3, and the degreasing component 3-3 has a blowing chamber 3-4, which is a cylindrical cavity. A blowing channel 3-5 is provided radially outward of the blowing chamber 3-4. One end of the blowing channel 3-5 is connected to the blowing chamber, and the other end is connected to an air pump via a connecting pipe, allowing air to be blown into the blowing chamber 3-4. One end of the blowing chamber 3-4 is an open end, and the other end is provided with a suction pipe 3-6, which is connected to a suction pump, allowing air to be suctioned from the blowing chamber 3-4.

[0051] Since one end of the tube body 15-1 needs to be stamped and grooved using the first stamping device 1 and the grooving device 2, lubricating oil is applied to the surface of one end of the tube body 15-1 near the narrowed section 15-2 before stamping and grooving to reduce friction between the tube body 15-1 and the equipment during the stamping and grooving processes. After the grooving of the tube body 15-1 is completed, the lubricating oil on the surface of the tube body 15-1 near the narrowed section 15-2 is removed using the first degreasing device 3. The specific method is as follows: The tube body 15-1 is clamped by the degreasing mold 3-2, and the tube body 15-1 is moved by the first electric guide rail 3-1 so that one end of the tube body 15-1 near the constriction section 15-2 extends into the oil blowing chamber 3-4. Air is blown into the oil blowing chamber 3-4 through the air blowing channel 3-5, and air is extracted from the oil blowing chamber 3-4 through the air extraction pipe 3-6. The airflow blown out by the air blowing channel 3-5 blows towards the surface of the tube body 15-1 and blows off the lubricating oil adhering to the surface of the tube body 15-1. The blown-off lubricating oil, along with the air inside the oil blowing chamber 3-4, is extracted by the air extraction pipe 3-6, thereby completing the degreasing of the surface of the tube body 15-1.

[0052] Step 4: After the first degreasing device 3 has finished degreasing one end of the pipe body 15-1, the transfer device 12 transfers the pipe body 15-1 from the first degreasing device 3 to the upper pressure plate device 4. The upper pressure plate device 4 then puts the pressure plate 15-4 onto the end of the pipe body away from the constriction section 15-2.

[0053] The upper pressure plate device 4 includes a second electric guide rail 4-1, a base 4-3, a pressure plate waiting component 4-8 for storing the pressure plate 15-4, a pressure plate moving device 4-10, and a material feeding cylinder 4-17. The second electric guide rail 4-1 is provided with an upper pressure plate clamping mold 4-2 for clamping the tube body 15-1. The base 4-3 is provided with a mandrel guide rail 4-4. A mandrel guide seat 4-5 is slidably connected to the mandrel guide rail 4-4. A mandrel 4-7 corresponding to the upper pressure plate clamping mold 4-2 is provided on the mandrel guide seat 4-5. The front end of the mandrel 4-7 is provided with an insertion head 4-16. The outer diameter of the insertion head 4-16 is smaller than the inner diameter of the tube body 15-1. The outer diameter of the mandrel 4-7 is the same as the outer diameter of the tube body 15-1. The base 4-3 is equipped with a mandrel drive cylinder 4-6 for moving the mandrel guide seat 4-5. When the tube 15-1 is clamped on the upper pressure plate mold 4-2, the end of the tube 15-1 away from the constricted section 15-2 faces the mandrel 4-7, and the mandrel 4-7 is coaxially arranged with the tube 15-1. The pressure plate moving device 4-10 is equipped with a pressure plate gripper 4-11 for gripping the pressure plate 15-4. The pressure plate moving device 4-10 can drive the pressure plate gripper 4-11 to move along the X-axis, Y-axis, and Z-axis, and the pressure plate gripper 4-11 can rotate around its own central axis, which can adjust the orientation of the pressure plate 15-4. A feeding cylinder 4-17 is connected to a feeding block 4-18. The feeding cylinder 4-17 is located on one side of the mandrel.

[0054] The pressure plate receiving component 4-8 is equipped with a material trough, in which pressure plates 15-4 are placed in a straight line. One end of the trough is equipped with a pushing device 4-9, and the other end is the discharge end. Below the discharge end is a top-loading cylinder 4-12, which has a top-loading block 4-13. The top-loading cylinder 4-12 is used to lift the pressure plates 15-4 at the discharge end upwards. The pushing device 4-9 can be a cylinder, which applies a pushing force to one end of the pressure plates 15-4 in the trough, pushing the foremost pressure plate 15-4 into the discharge end at the front of the trough. The top-loading cylinder 4-12 below the discharge end lifts the pressure plates 15-4 upwards, facilitating gripping of the pressure plates 15-4 by the pressure plate grippers 4-11.

[0055] When the pressure plate 15-4 is fitted onto the tube body 15-1, the pressure plate gripper 4-11 on the pressure plate moving device 4-10 grabs the pressure plate 15-4 from the pressure plate waiting part 4-8 and moves the pressure plate 15-4 between the mandrel 4-7 and the tube body 15-1 held by the upper pressure plate clamping mold 4-2. The mandrel drive cylinder 4-6 drives the mandrel 4-7 to move towards the tube body 15-1, and the insertion head 4 at the front end of the mandrel 4-7... -16 passes through the tube hole on the pressure plate 15-4 and is inserted into the tube opening at one end of the tube body 15-1; then the feeding cylinder 4-17 drives the feeding block to move axially toward the tube fitting, and the feeding block 4-18 moves the pressure plate from the mandrel to the tube fitting; after the pressure plate 15-4 is fitted onto the tube body 15-1, the insertion head 4-16 on the mandrel 4-7 is withdrawn from the tube body 15-1; the pressure plate gripper 4-11 releases the pressure plate 15-4.

[0056] Furthermore, the upper pressure plate device 4 also includes a first visual inspection device 4-15. When the pressure plate 15-4 is moved between the mandrel 4-7 and the tube 15-1, the first visual inspection device 4-15 aligns with the pressure plate 15-4 and takes a picture of the pressure plate 15-4 for inspection. The first visual inspection device 4-15 determines whether the orientation of the pressure plate 15-4 when it is inserted into the tube 15-1 is correct. If the orientation of the pressure plate 15-4 when it is inserted into the tube 15-1 is correct, the pressure plate 15-4 can be directly inserted into the tube 15-1. If the orientation of the pressure plate 15-4 when it is inserted into the tube 15-1 is opposite to the desired direction, the pressure plate clamp 4-11 drives the pressure plate 15-4 to rotate 180 degrees so that the orientation of the pressure plate 15-4 when it is inserted into the tube 15-1 is consistent with the desired direction.

[0057] Step 5: After the upper pressure plate device 4 puts the pressure plate 15-4 onto the tube body 15-1, the material transfer device 12 transfers the tube body from the upper pressure plate device 4 to the second stamping device 5. The second stamping device 5 stamps the end of the tube body near the pressure plate to form an extrusion drum structure 15-6 at the end of the tube body. The pressure plate 15-4 is tightened and fixed onto the tube body through the extrusion drum structure 15-6.

[0058] The second stamping device 5 includes a second stamping clamping die 5-1 and a second punch 5-2. The second stamping clamping die 5-1 is used to clamp the tube body 15-1. The second punch 5-2 is correspondingly arranged with the second stamping clamping die 5-1. The second punch 5-2 is mounted on a stamping drive mechanism, which drives the second punch 5-2 to move and applies stamping force to it. A baffle drive cylinder 5-3 is provided on one side of the second punch 5-2. The baffle drive cylinder 5-3 is connected to one end of a baffle 5-4. A slider 5-5 is provided on the baffle 5-4. A slide rail is provided on the baffle drive cylinder 5-3. The slider 5-5 is slidably connected to the baffle 5-4. The baffle drive cylinder 5-3 drives the baffle 5-4 to move, thereby extending and retracting the baffle 5-4.

[0059] When the second stamping device 5 stamps the end of the tube 15-1 near the pressure plate 15-4, the tube 15-1 is moved onto the second stamping die 5-1 on the second stamping device 5. The second stamping die 5-1 clamps the tube 15-1. After the tube 15-1 is clamped, the end of the tube 15-1 near the pressure plate 15-4 faces the second stamping die 5-2. Then, the baffle drive cylinder 5-3 drives the baffle 5-4 to extend. After the baffle 5-4 extends, it blocks one side of the pressure plate 15-4. The baffle 5-4 then presses the pressure plate 15-4. One side of 5-4 is limited to prevent the pressure plate 15-4 from shifting on the tube body 15-1 during the stamping process; then the second punch 5-2 is driven by the stamping drive mechanism to move towards the tube body 15-1 and apply a stamping force to one end of the tube body. After being subjected to axial stamping force, the tube body 15-1 forms an extrusion drum structure 15-6 at the position near the pressure plate 15-4. During the formation of the extrusion drum structure 15-6, the tube wall of the tube body 15-1 expands and deforms outward, thereby causing the pressure plate 15-4 to expand and fix on the tube body 15-1.

[0060] Step 6: After the second stamping device 5 completes the stamping of the tube body 15-1, the material transfer device 12 transfers the tube body 15-1 from the second stamping device 5 to the punching device 6. The punching device 6 performs a punching operation on the tube body to form a through hole 15-5.

[0061] The punching device 6 includes a third electric guide rail 6-1 and a feeding moving device 6-11. The third electric guide rail 6-1 is equipped with a mounting base 6-2, and the mounting base 6-2 is equipped with a first rotary drive device 6-3. A rotary clamp 6-4 is connected to the first rotary drive device 6-3. The feeding moving device 6-11 is equipped with a feeding clamp 6-12 for clamping the tube body 15-1. A fixed clamping block 6-8 and a movable clamping block corresponding to the fixed clamping block 6-8 are provided between the feeding clamps 6-12. The movable clamping block is connected to a movable clamping block drive cylinder 6-10, which drives the movable clamping block to move. Both the fixed clamping block 6-8 and the movable clamping block are provided with clamping grooves 6-13, the cross-section of which is semi-circular. A punching cylinder 6-6 is located above the fixed clamping block 6-8 and is fixedly mounted on a support base 6-5. A punching cylinder 6-6 is connected to a punching cutter 6-7. A guide hole for the punching cutter 6-7 is provided on a fixed clamping block 6-8, one end of which communicates with a clamping groove 6-13 on the fixed clamping block 6-8. The punching cutter 6-7 extends into its guide hole. A shaping cylinder 6-9 is provided on one side of the fixed clamping block 6-8, and a shaping cutter is connected to it. A shaping cutter guide hole 6-14 is provided on the fixed clamping block 6-8, spaced 90 degrees from the guide hole for the punching cutter 6-7. One end of the shaping cutter guide hole 6-14 communicates with the clamping groove 6-13 on the fixed clamping block 6-8. The shaping cutter extends into its guide hole 6-14.

[0062] When the punching device 6 punches holes in the tube body 15-1, the tube body 15-1 is clamped on the feeding clamp 6-12. The feeding moving device 6-11 drives the tube body 15-1 to move between the fixed clamping block 6-8 and the movable clamping block. Then the movable clamping block driving cylinder 6-10 drives the movable clamping block to move and clamp the tube body 15-1. The punching cylinder 6-6 drives the punching cutter 6-7 to move downward and punch a hole in the tube 15-1 to form a through hole 15-5 in the tube 15-1; after punching is completed, the punching cutter 6-7 moves upward to reset; the movable clamp moves away from the fixed clamp 6-8 and releases the tube 15-1. The third electric guide rail 6-1 drives the rotating clamp 6-4 to move toward the tube body 15-1 and clamp one end of the tube body 15-1. Then the feeding clamp 6-12 releases the tube body 15-1. The first rotary drive device 6-3 drives the rotating clamp 6-4 to rotate. When the through hole 15-5 on the tube body 15-1 rotates to align with the shaping tool, the first rotary drive device 6-3 stops. Then the feeding clamp 6-12 clamps the tube body 15-1, the rotating clamp 6-4 releases the tube body 15-1, the movable clamping block drive cylinder 6-10 drives the movable clamping block to move and clamp the tube body 15-1, and the shaping cylinder 6-9 drives the shaping tool to move. The shaping tool extends into the through hole 15-5 on the tube body 15-1 and then exits from the through hole 15-5. Finally, the movable clamping block releases the tube body 15-1, and the third electric guide rail 6-1 drives the tube body 15-1 to move and exit between the fixed clamping block 6-8 and the movable clamping block, thereby completing the drilling operation and shaping of the through hole 15-5.

[0063] Step 7: After the punching device 6 punches holes in the tube body 15-1, the material transfer device 12 transfers the tube body 15-1 from the punching device 6 to the second degreasing device 7, and removes the lubricating oil on the surface of the tube body near the pressure plate through the second degreasing device.

[0064] The structure and degreasing method of the second degreasing device 7 are the same as those of the first degreasing device 3. Since the end of the tube body 15-1 furthest from the constriction section 15-2 needs to be stamped by the second stamping device 5, lubricating oil is applied beforehand to the surface of the end of the tube body 15-1 where the pressure plate 15-4 needs to be installed, to reduce friction between the tube body 15-1 and the equipment during the stamping process. After the tube body 15-1 is punched, the function of the second degreasing device 7 is to remove the lubricating oil from the end of the tube body 15-1 where the pressure plate 15-4 needs to be installed. The degreasing process of the second degreasing device 7 is the same as that of the first degreasing device 3, and will not be repeated here.

[0065] Furthermore, after the second degreasing device 7 has finished degreasing the tube body 15-1, the tube body 15-1 is moved to the coding and scanning device 8 by the transfer robot 12-2. The coding and scanning device 8 is located between the detection device 9 and the second degreasing device 7. The coding and scanning device 8 is used to mark the identification code 15-7 on the surface of the tube body 15-1 and scan the identification code 15-7.

[0066] Specifically, the coding and scanning device 8 includes a fourth electric guide rail 8-1 and a lifting column 8-5. The lifting column 8-5 is equipped with a laser marking device 8-6 and a scanning device 8-7. The lifting column 8-5 can adjust the height of the laser marking device 8-6 and the scanning device 8-7. The fourth electric guide rail 8-1 is equipped with a sliding seat 8-2, which drives the sliding seat 8-2 to move. The sliding seat 8-2 is equipped with a first rotary cylinder 8-3, which is equipped with a coding gripper 8-4 for clamping the tube body 15-1.

[0067] When the coding and scanning device 8 performs coding and scanning operations on the tube body 15-1, it first clamps the tube body 15-1 with the coding gripper 8-4, and moves the tube body 15-1 to below the laser marking device 8-6 through the fourth electric guide rail 8-1. The first rotary cylinder 8-3 drives the tube body 15-1 to rotate around its own central axis to rotate the tube body 15-1 to the required angle position. Then, the marking machine marks the identification code 15-7 on the surface of the tube body 15-1. The identification code 15-7 can be a QR code or a barcode. The identification code 15-7 contains the serial number information of the tube body 15-1. The identification code 15-7 corresponds one-to-one with the tube body 15-1. The identification code 15-7 is equivalent to the "identity card" of the tube body 15-1. After the coding is completed, the tube body 15-1 is moved to the underside of the scanning device 8-7 via the fourth electric guide rail 8-1. The scanning device 8-7 scans the identification code 15-7 on the surface of the tube body 15-1, and the control system records the information of the tube body 15-1.

[0068] Step 8: The transfer device 12 transfers the tube 15-1 to the detection device 9. The detection device 9 performs visual inspection on both ends of the tube to determine whether the shape of both ends of the tube is qualified.

[0069] Specifically, the detection device 9 includes a fifth electric guide rail 9-1, a detection moving seat 9-2 on the fifth electric guide rail 9-1, a second rotary cylinder 9-3 on the detection moving seat 9-2, and a detection gripper 9-4 on the second rotary cylinder 9-3 for clamping the tube body 15-1. One end of the fifth electric guide rail 9-1 is equipped with a second visual inspection device 9-6 for visually inspecting the end of the tube body 15-1; the other end of the fifth electric guide rail 9-1 is equipped with a second rotary drive device 9-7, and a rotary detection clamp is connected to the second rotary drive device 9-7. In this application, the rotary detection clamp is a cylinder gripper, driven by the second rotary drive device 9-7 to rotate around its own central axis.

[0070] When the detection device 9 detects the tube 15-1, the tube 15-1 is clamped on the detection jaw 9-4. The second rotary cylinder 9-3 drives the tube 15-1 to rotate so that one end of the tube 15-1 is aligned with the rotary detection clamp. Then, the fifth electric guide rail 9-1 drives the tube 15-1 to move and causes the rotary detection clamp to clamp one end of the tube 15-1. Subsequently, the detection jaw 9-4 releases the tube 15-1. The second rotary drive device 9-7 drives the tube 15-1 to rotate 360° around its own central axis. During the rotation of the tube 15-1, the second visual detection device 9-6 performs visual detection on the end of the tube 15-1 that is directly opposite the second visual detection device 9-6. After one end of the tube 15-1 is inspected, the rotating inspection clamp releases the tube 15-1. The fifth electric guide rail 9-1 moves the tube 15-1 so that the end of the tube 15-1 exits from the rotating inspection clamp. Then, the second rotating cylinder 9-3 rotates the tube 15-1 180 degrees horizontally and aligns the other end of the tube 15-1 with the rotating inspection clamp. Next, the fifth electric guide rail 9-1 drives the tube 15-1 to move and clamps one end of the tube 15-1. Then, the inspection gripper 9-4 releases the tube 15-1. The second rotating drive device 9-7 rotates the tube 15-1 360 degrees around its own central axis. During the rotation of the tube 15-1, the second visual inspection device 9-6 performs visual inspection on the end of the tube 15-1 that is directly opposite the second visual inspection device 9-6. After both ends of the tube 15-1 have been tested, the rotating testing clamp releases the tube 15-1, and the fifth electric guide rail 9-1 moves the tube 15-1 so that the end of the tube 15-1 exits from the rotating testing clamp.

[0071] Furthermore, a ring-shaped supplementary light 9-5 is provided in front of the second visual inspection device 9-6. When the second visual inspection device 9-6 takes a picture of the end of the tube 15-1, the ring-shaped supplementary light 9-5 is turned on to provide supplementary light to the end of the tube 15-1, so as to improve the clarity of the image acquired by the second visual inspection device 9-6.

[0072] The second visual inspection device 9-6 performs visual inspection by taking pictures of the external structural morphology at both ends of the tube 15-1. If there are obvious deformations or surface defects at both ends of the tube 15-1, the second visual inspection device 9-6 can identify the defects on the tube 15-1 and judge the tube 15-1 as a defective product; if there are no defects at both ends of the tube 15-1, the tube 15-1 is judged as a qualified product.

[0073] Step 9: After the testing device 9 completes the testing of the tube body 15-1, the unloading robot 10 unloads the processed tube body.

[0074] The unloading robot 10 has a good product frame 16 and a defective product frame 17 on both sides. The unloading robot 10 puts the qualified tubes 15-1 into the good product frame 16 and the unqualified tubes 15-1 into the defective product frame 17.

[0075] The present invention has the following advantages: 1. This invention can automatically complete the processing of automotive air conditioning pipe 15. The entire processing process does not require the participation of operators, which greatly reduces labor costs and improves production efficiency.

[0076] 2. In this invention, the detection device 9 can perform visual inspection on both ends of the tube body 15-1, and can promptly detect defective products, thus ensuring the product pass rate.

[0077] This invention is not limited to the preferred embodiments described above. Anyone can derive other products in various forms under the guidance of this invention. However, regardless of any changes in shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this invention.

Claims

1. An automatic processing method for automotive air conditioning pipes, characterized in that, The specific steps include the following: Step 1: The material transfer device moves the tube to the first stamping device, which stamps one end of the tube and forms a constricted section at one end. Step 2: The material transfer device transfers the tube body from the first stamping device to the grooving device, where the grooving device processes an annular groove structure on the outside of the constricted section. Step 3: The transfer device transfers the tube body from the grooving device to the first degreasing device, and the first degreasing device removes the lubricating oil from the surface of the tube body near the constricted section. Step 4: The material transfer device transfers the tube body from the first degreasing device to the upper pressure plate device. The upper pressure plate device then places the pressure plate onto the end of the tube body furthest from the constricted section. The upper pressure plate device includes a second electric guide rail, a base, a pressure plate waiting component for storing the pressure plate, a pressure plate moving device, and a material feeding cylinder. The second electric guide rail is equipped with an upper pressure plate clamping mold for holding the tube body. The base is equipped with a mandrel guide rail, and a mandrel guide seat is slidably connected to the mandrel guide rail. The mandrel guide seat is equipped with a mandrel corresponding to the upper pressure plate clamping mold. The front end of the mandrel is equipped with an insertion head, the outer diameter of which is smaller than the inner diameter of the tube body. The base is equipped with a mandrel driving cylinder for driving the mandrel guide seat to move. When the tube body is clamped on the upper pressure plate clamping mold, the end of the tube body furthest from the constricted section is directly opposite the mandrel, and the mandrel is coaxially arranged with the tube body. The pressure plate moving device is equipped with a pressure plate gripper for grasping the pressure plate. A feeding block is connected to the material feeding cylinder. When the pressure plate is fitted onto the tube body, the pressure plate clamping jaws on the pressure plate moving device grab the pressure plate from the pressure plate waiting part and move the pressure plate between the mandrel and the tube body held by the upper pressure plate clamping mold. The mandrel drive cylinder drives the mandrel to move towards the tube body, and the insertion head at the front end of the mandrel passes through the tube hole on the pressure plate and is inserted into the tube opening at one end of the tube body. Then, the material feeding cylinder drives the feeding block to move axially towards the tube body, and the feeding block feeds the pressure plate from the mandrel onto the tube body. After the pressure plate is fitted onto the tube body, the insertion head on the mandrel is withdrawn from the tube body. The pressure plate clamping jaws release the pressure plate. Step 5: The material transfer device transfers the tube body from the upper pressure plate device to the second stamping device. The second stamping device stamps the end of the tube body near the pressure plate to form an extrusion drum structure at the end of the tube body. The extrusion drum structure causes the pressure plate to expand and fix on the tube body. Step Six: The material transfer device transfers the tube body from the second stamping device to the punching device. The punching device performs a punching operation on the tube body to form a through hole. The punching device includes a third electric guide rail and a feeding moving device. The third electric guide rail is equipped with a mounting base, and the mounting base is equipped with a first rotary drive device. A rotary clamp is connected to the first rotary drive device. The feeding moving device is equipped with a feeding clamp for holding the tube body. The feeding clamps are equipped with a fixed clamping block and a corresponding movable clamping block. The movable clamping block is connected to a movable clamping block drive cylinder, which drives the movable clamping block to move. Both the fixed clamping block and the movable clamping block are equipped with clamping grooves. A punching cylinder is located above the fixed clamping block, and a punching cutter is connected to the punching cylinder. The fixed clamping block is equipped with a punching cutter guide hole, one end of which communicates with the clamping groove on the fixed clamping block. The punching cutter extends into the punching cutter guide hole. A shaping cylinder is provided on one side of the fixed clamping block, and a shaping tool is connected to the shaping cylinder; a shaping tool guide hole is provided on the fixed clamping block, and one end of the shaping tool guide hole is connected to the clamping groove on the fixed clamping block; the shaping tool extends into the shaping tool guide hole. Step 7: The material transfer device transfers the tube body from the punching device to the second degreasing device, and the second degreasing device removes the lubricating oil from the surface of the tube body near the pressure plate. Step 8: The transfer device transfers the tube to the inspection device, which then performs visual inspection on both ends of the tube to determine whether the shape of both ends of the tube is qualified. Step 9: The unloading robot unloads the processed tube body.

2. The automatic processing method for automotive air conditioning pipes according to claim 1, characterized in that, The specific method for using a punching device to drill holes in a pipe is as follows: The tube is clamped on the feeding clamp. The feeding moving device drives the tube to move between the fixed clamp and the movable clamp. Then the movable clamp drives the hydraulic cylinder to move the movable clamp and clamp the tube. The punching cylinder drives the punching cutter to move downward and punch a hole in the tube to form a through hole; after punching is completed, the punching cutter moves upward to reset; the movable clamping block moves away from the fixed clamping block and releases the tube. The third electric guide rail drives the rotating clamp to move toward the tube body and clamp one end of the tube body. Then the feeding clamp releases the tube body and drives the rotating clamp to rotate through the first rotating drive device. When the through hole on the tube body rotates to align with the shaping tool, the first rotating drive device stops. Then the feeding clamp clamps the tube body, the rotating clamp loosens the tube body, the movable clamping block driving cylinder drives the movable clamping block to move and clamp the tube body, the shaping cylinder drives the shaping cutter to move, the shaping cutter extends into the through hole on the tube body and then exits from the through hole. The movable clamping block loosens the tube body, and the third electric guide rail drives the tube body to move and exit between the fixed clamping block and the movable clamping block, thereby completing the drilling operation and shaping the through hole.

3. The automatic processing method for automotive air conditioning pipes according to claim 1, characterized in that, In step eight, the detection device includes a fifth electric guide rail, a detection moving seat on the fifth electric guide rail, a second rotary cylinder on the detection moving seat, a detection gripper on the second rotary cylinder for clamping the tube body, a second visual detection device for visually inspecting the end of the tube body at one end of the fifth electric guide rail, and a second rotary drive device at the other end of the fifth electric guide rail, with a rotary detection clamp connected to the second rotary drive device.

4. The automatic processing method for automotive air conditioning pipes according to claim 3, characterized in that, In step eight, the detection device performs the following detection method on the tube: the tube is clamped on the detection jaws, and the tube is rotated by the second rotary cylinder so that one end of the tube is aligned with the rotary detection clamp. Then, the fifth electric guide rail drives the tube to move and the rotary detection clamp clamps one end of the tube. Subsequently, the detection jaws release the tube, and the second rotary drive device drives the tube to rotate 360° around its own central axis. During the rotation of the tube, the second visual detection device performs visual detection on the end of the tube that is directly opposite the second visual detection device. After one end of the tube is inspected, the rotating inspection clamp releases the tube, and the fifth electric guide rail moves the tube so that the end of the tube exits the rotating inspection clamp. Then, the second rotating cylinder rotates the tube 180 degrees horizontally and aligns the other end of the tube with the rotating inspection clamp. Next, the fifth electric guide rail drives the tube to move and the rotating inspection clamp clamps one end of the tube. Then, the inspection gripper releases the tube, and the second rotating drive device rotates the tube 360 ​​degrees around its own central axis. During the rotation of the tube, the second vision inspection device performs visual inspection on the end of the tube that is directly opposite the second vision inspection device. After both ends of the tube have been inspected, the rotating inspection clamp releases the tube, and the fifth electric guide rail moves the tube so that the ends of the tube are removed from the rotating inspection clamp.

5. The automatic processing method for automotive air conditioning pipes according to claim 1, characterized in that, The first and second oil removal devices have the same structure. Both the first and second oil removal devices include a first electric guide rail. The first electric guide rail is provided with an oil removal clamp for fixing the tube body. One end of the first electric guide rail is provided with an oil removal component. The oil removal component is provided with an oil blowing chamber. An air blowing channel is provided on the radial outer side of the oil blowing chamber. One end of the air blowing channel is connected to the oil blowing chamber, and the other end of the air blowing channel is connected to an air pump through a connecting pipe. One end of the oil blowing chamber is an open end, and the other end of the oil blowing chamber is provided with an air extraction pipe, which is connected to an air extraction pump.

6. The automatic processing method for automotive air conditioning pipes according to claim 1, characterized in that, The material transfer device includes a crossbeam, on which several material transfer manipulators are mounted.

7. The automatic processing method for automotive air conditioning pipes according to claim 1, characterized in that, In step nine, the unloading robot has a good product frame and a defective product frame on each side; the unloading robot puts the qualified tubes into the good product frame and the unqualified tubes into the defective product frame.

Images