An automatic assembly system and method for a connector and a tracheal tube

Abstract

The application provides an automatic insertion system and method for an assembly joint and air guide tubes, which comprises a support strip and air guide tube separation cutting parts arranged on a device base, an assembly joint conveying stepping motor is slidably connected to the outer side of the support strip, a conveying claw up-down air cylinder is arranged on the upper surface of the assembly joint conveying stepping motor, an assembly joint sliding rail is arranged on the upper surface of the support strip, a plurality of air guide tube separation cutting parts are arranged on the inner side of the support strip, and the air guide tubes are arranged on the air guide tube separation cutting parts. The air guide tube separation cutting parts comprise a guide block, an air guide tube groove is arranged on the upper surface of the guide block, and a guide device is arranged on the upper portion of the air guide tube groove. The application is used for sequentially inserting three separate air guide tubes into the assembly joint according to corresponding positions, the insertion action is automatically and continuously circulated, and the three air guide tubes can be automatically inserted into the corresponding joints of the assembly joint with a fixed length and without interference.

Description

Technical Field

[0001] This invention relates to the field of inflation pressure system technology, and more particularly to an automatic insertion system and method for assembling connectors and air tubes. Background Technology

[0002] The thigh and calf leg sleeves for preventing deep vein thrombosis each consist of a three-row tube with a lumen and an assembly connector, used to connect the leg sleeve and the intermittent inflation pressure system in series with the medium air tube. Therefore, each leg sleeve requires the installation of an air tube and assembly connector before being directly connected to the leg sleeve to form the finished leg sleeve product.

[0003] In the previous production process of assembling the air tube and the assembly connector, the air tube, assembly connector, and the sealing sleeve inside the assembly connector of each leg sleeve all needed to be manually cut to a fixed length, glued, and manually inserted and assembled. This assembly method resulted in many steps, slow speed, and high labor costs, leading to finger strain and further slowing down the process. Summary of the Invention

[0004] To address the aforementioned technical problems of the existing methods for assembling the assembly connector and air tube onto the leg sleeve, which involve numerous steps and are time-consuming and labor-intensive, this invention provides an automatic assembly system and method for the assembly connector and air tube. This invention automates the assembly of the connector and air tube by setting up an assembly system, thereby saving manpower and improving assembly efficiency.

[0005] The technical means employed in this invention are as follows:

[0006] An automatic insertion system for assembling a connector and an air duct includes a support bar and an air duct separation and cutting section mounted on a device base. An assembly connector conveying stepper motor is slidably connected to the outer side of the support bar. An upper and lower cylinder for conveying claws is mounted on the upper surface of the upper and lower cylinders for conveying claws. An assembly connector slide rail is mounted on the upper surface of the support bar. A plurality of air duct separation and cutting sections are mounted on the inner side of the support bar. The air duct is mounted on the air duct separation and cutting section.

[0007] Furthermore, the number of the air duct separation and cutting sections is three.

[0008] Furthermore, the air duct separation and cutting section includes a guide block, an air duct groove is provided on the upper surface of the guide block, and a guide device is provided on the upper part of the air duct groove.

[0009] With the side closest to the support bar as the front, a first cylinder is provided at the front of the guide block, a first slide rail is provided at the front of the first cylinder, the first cylinder is connected to the first slide rail, a clamping cylinder is provided at the upper part of the first cylinder, a positioning block is provided at the upper part of the first slide rail, a positioning hole is provided at the center of the positioning block, a cutting blade is provided above the positioning block, the cutting blade is connected to the cutting cylinder, a plugging stepper motor is connected to the front of the first slide rail, an L-shaped fixture and a clamping cylinder are slidably connected to the upper surface of the plugging stepper motor, and an air guide tube is provided on the guide block and the L-shaped fixture.

[0010] Furthermore, the center hole and the positioning hole of the L-shaped fixture are positioned opposite each other.

[0011] Furthermore, a first positioning rod, a second positioning rod, a third positioning rod, and a fourth positioning rod are sequentially arranged above the support bar from one side to the other, and the positions of the second positioning rod, the third positioning rod, and the fourth positioning rod are each opposite to the position of a gas duct separation and cutting section.

[0012] Furthermore, the first positioning rod, the second positioning rod, the third positioning rod, and the fourth positioning rod are arranged at equal intervals.

[0013] Furthermore, the assembly joint slide rail is provided with a sealing sleeve pressing cylinder for sealing the assembled assembly joint with the air guide pipe.

[0014] The present invention also provides a method for automatically connecting an assembly connector and an air duct, which is based on any of the above-mentioned automatic connection system for assembling an assembly connector and an air duct, and includes the following steps:

[0015] Place the assembly connector at the starting position of the assembly connector slide rail, and slide the assembly connector on the assembly connector slide rail to the first positioning rod;

[0016] The conveying claw at the first positioning rod descends with the upper and lower cylinders, and the assembly joint conveying stepper motor moves to the other end, reaching the position of the second positioning rod;

[0017] After reaching the position of the second positioning rod, the upper and lower cylinders of the conveying claw rise, and the conveying claws on the upper and lower cylinders assemble the cut air guide tube with the assembly joint.

[0018] The upper and lower cylinders of the conveying claw rise again, with the direction closer to the starting position of the assembly joint slide rail as the left. The assembly joint conveying stepper motor returns to the left. After the next assembly joint is placed at the first positioning rod, the upper and lower cylinders of the conveying claw descend, and the assembly joint conveying stepper motor moves to the right again. At this time, the first assembly joint reaches the third positioning rod position; the second assembly joint reaches the second positioning rod position.

[0019] After the two insertion stepper motors insert the air tube into the assembly connector, the upper and lower cylinders of the conveying claw rise again, and the assembly connector conveying stepper motor returns to the left position to receive the next assembly connector.

[0020] The conveying claw's upper and lower cylinders descend, and the assembly connector conveying stepper motor moves to the right again, sending the first assembly connector to the fourth positioning rod position, the second assembly connector to the third positioning rod position, and the third assembly connector to the second positioning rod position. After the three insertion stepper motors complete the insertion steps respectively, the cycle begins again.

[0021] Finally, after the first assembly connector is sent to the end position of the assembly connector slide rail, a fiber optic check is performed to check for the presence or absence of air ducts. It is determined whether there are any missing air ducts on the assembly connector. After confirming that they are in good condition, the normal operation is performed, and the good products with three air ducts inserted are discharged in an orderly manner.

[0022] Furthermore, it also includes the step of cutting off the airway, as follows:

[0023] The air tube is introduced from the rear and placed in the air tube groove of the guide block;

[0024] The stepper motor feeds backward, driving the upper L-shaped fixture to move backward to the starting position of the air pipe length measurement. The first cylinder is in a depressurized state, and the positioning block and the first slide rail move backward with the stepper motor.

[0025] The clamping cylinder rises to clamp the air guide tube. At this time, the stepper motor moves forward and the clamping cylinder holds the air guide tube and moves forward until it stops at the product's set length.

[0026] The first cylinder drives the first slide rail forward, the pressing cylinder presses the air guide tube downward, and the cutting cylinder moves downward to cut the air guide tube by the cutting blade.

[0027] The stepper motor drives the cut air tube to continue moving forward, inserting the cut air tube into the assembly joint and releasing the clamping cylinder.

[0028] After insertion, move backward to the push position of the first cylinder, exposing the tube head again, and repeat the above steps.

[0029] Compared with the prior art, the present invention has the following advantages:

[0030] The automatic air tube insertion device provided by this invention, through a one-time assembly of connectors and rolled tube material, sequentially inserts three air tubes, achieving automatic length setting, automatic cutting, automatic insertion and assembly, and automatic detection of the air tubes to meet production requirements. During this process, the operator only needs to place the rolled air tubes on the fixed support and then sequentially place the assembly connectors to complete the precise assembly of the air tubes in production. This improves production efficiency and capacity while reducing the labor intensity of workers. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a perspective view of the assembly system of the present invention from one direction.

[0033] Figure 2 This is a perspective view of the assembly system of the present invention from another direction.

[0034] Figure 3 This is a perspective view of the gas duct separation and cutting section of the present invention.

[0035] Figure 4 This is a schematic diagram of the assembly connector of the present invention.

[0036] Figure 5 This is a schematic diagram of the L-shaped fixture of the present invention.

[0037] In the diagram: 1. Equipment base; 2. Assembly joint conveying stepper motor; 3. Conveying claw lifting cylinder; 4. Support bar; 5. Sealing sleeve clamping cylinder; 6. Assembly joint slide rail; 7. First positioning rod; 8. Second positioning rod; 9. Third positioning rod; 10. Fourth positioning rod; 11. End point position; 12. Clamping cylinder; 13. L-shaped fixture; 14. Insertion stepper motor; 21. Assembly joint first hole; 22. Assembly joint second hole; 23. Assembly joint third hole; 101. Cutting cylinder; 102. Clamping cylinder; 103. First cylinder; 104. Guide block; 105. Cutting blade; 106. Positioning block; 107. First slide rail; 108. Guiding device; 109. Air guide pipe. Detailed Implementation

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0041] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0042] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this invention. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0043] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0044] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0045] like Figure 1-5 As shown, the present invention provides an automatic insertion system for assembling a connector and an air duct, including a support bar 4 and an air duct separation and cutting section disposed on a device base 1. An assembly connector conveying stepper motor 2 is slidably connected to the outer side of the support bar 4. An upper and lower cylinder 3 for conveying claws is disposed on the upper surface of the assembly connector conveying stepper motor 2. An assembly connector is disposed on the upper surface of the upper and lower cylinder 3 for conveying claws. An assembly connector slide rail 6 is disposed on the upper surface of the support bar 4. A plurality of air duct separation and cutting sections are disposed on the inner side of the support bar 4. The air duct 109 is disposed on the air duct separation and cutting section.

[0046] The number of air duct separation and cutting sections is three. Each air duct separation and cutting section includes a guide block 104, with an air duct groove on its upper surface. A guide device 108 is provided at the upper part of the air duct groove. Taking the side closest to the support bar 4 as the front, a first cylinder 103 is provided at the front of the guide block 104. A first slide rail 107 is provided at the front of the first cylinder 103, and the first cylinder 103 is connected to the first slide rail 107. A clamping cylinder 102 is provided at the upper part of the first cylinder 103. A positioning block 106 is provided on the upper part of the first slide rail 107. A positioning hole is provided at the center of the positioning block 106. A cutting blade 105 is provided above the positioning block 106. The cutting blade 105 is connected to the cutting cylinder 101. A plugging stepper motor 14 is connected to the front part of the first slide rail 107. An L-shaped fixture 13 and a clamping cylinder 12 are slidably connected to the upper surface of the plugging stepper motor 14. An air guide pipe 109 is provided on the guide block 104 and the L-shaped fixture 13. The center hole of the L-shaped fixture 13 is opposite to the positioning hole.

[0047] Above the support bar 4, from one side to the other, are sequentially arranged a first positioning rod 7, a second positioning rod 8, a third positioning rod 9, and a fourth positioning rod 10. The positions of each of the second, third, and fourth positioning rods are opposite to the positions of a separate cut-off section of the air guide tube. The first, second, third, and fourth positioning rods 7 and 8 are evenly spaced. The assembly joint slide rail 6 is equipped with a sealing sleeve clamping cylinder 5 for sealing the assembled assembly joint with the air guide tube 109.

[0048] A method for automatically connecting a connector to an air duct includes the following steps:

[0049] Place the assembly connector at the starting position of the assembly connector slide rail 6, and slide the assembly connector on the assembly connector slide rail 6 to the first positioning rod 7;

[0050] The assembly joint is conveyed by stepper motor 2 to the other end, and the conveying claw is lifted by cylinder 3.

[0051] After reaching the position of the second positioning rod 8, the stepper motor 14 moves forward to drive the cut air guide tube 109 to assemble with the assembly joint. Then, the upper and lower cylinders 3 of the conveying claw rise again, with the direction close to the starting position of the assembly joint slide rail 6 as the left. The assembly joint conveying stepper motor 2 returns to the left. After the next assembly joint is added at the first positioning rod 7, the upper and lower cylinders 3 of the conveying claw descend, and the assembly joint conveying stepper motor 2 moves to the right again. At this time, the first assembly joint reaches the position of the third positioning rod 9; the second assembly joint reaches the position of the second positioning rod 8.

[0052] After the two insertion stepper motors 14 insert the air tube 109 into the assembly connector, the upper and lower cylinders 3 of the conveying claw rise again, and the assembly connector conveying stepper motor 2 returns to the left position to receive the next assembly connector.

[0053] The conveying claw cylinder 3 descends, and the assembly connector conveying stepper motor 2 moves to the right again, sending the first assembly connector to the fourth positioning rod 10, the second assembly connector to the third positioning rod 9, and the third assembly connector to the second positioning rod 8. After the three insertion stepper motors complete the insertion steps, the cycle begins again.

[0054] Finally, after the first assembly connector is sent to the end position 11 of the assembly connector slide rail 6, a fiber optic check is performed to check for the presence or absence of the first tube. It is determined whether the air guide tube 109 on the assembly connector is missing. After confirming that it is good, the normal operation is performed, and the good products with three air guide tubes inserted are discharged in an orderly manner.

[0055] The steps for cutting off the air delivery tube are as follows:

[0056] The air guide tube 109 is introduced from the rear and placed in the air guide tube groove of the guide block 104;

[0057] The stepper motor 14 feeds backward, driving the upper L-shaped fixture 13 to retreat to the starting position of the length measurement of the air pipe 109. The first cylinder 103 is in a depressurized state, and the positioning block 106 and the first slide rail 107 move backward with the stepper motor 14.

[0058] The clamping cylinder 12 rises to clamp the air guide tube 109. At this time, the stepper motor 14 is engaged and moves forward. The clamping cylinder 12 clamps the air guide tube 109 and moves forward until it reaches the product's set length and then stops.

[0059] The pressing cylinder 102 presses the air guide tube 109 downward, the first cylinder 103 drives the first slide rail 107 to move forward to the original position, the cutting cylinder 101 moves downward, and the cutting blade 105 cuts the air guide tube 109.

[0060] The stepper motor 14 drives the cut air tube to continue moving forward, inserting the cut air tube 109 into the assembly joint, and releasing the clamping cylinder 12.

[0061] After insertion, move backward to the push position of the first cylinder 103, and expose the air guide tube head again, repeating the above steps.

[0062] The cannulation method of the present invention is as follows:

[0063] Before starting work, manually insert the air tube into the guide block 104 until it reaches the position below the cutter 105. At the same time, after the first cylinder 103 extends forward, the clamping cylinder 102 drives the clamping device to press down and clamp. Then, the cutting cylinder 101 drives the head cutter 105 to press down and cut the air tube to form the initial point.

[0064] After the equipment is started and automatically put into operation, the stepper motor 14 is inserted and fed to the rear, driving the upper L-shaped fixture 13 to retreat to the starting position of the air duct length measurement. At this time, the first cylinder 103 is in a depressurized state. The positioning block 106 and the first slide rail 107 move backward with the insertion stepper motor 14, driving the upper L-shaped fixture 15 to move backward until the tube protrudes 8mm (adjustable according to process requirements) and then stops. At this time, the clamping cylinder 12 rises to clamp the air guide tube. After the signal is received, the pressing cylinder 102 moves upward to the top to release the air guide tube. At this time, the insertion stepper motor 14 moves forward, and the upper clamping cylinder 12 clamps the air guide tube and moves forward until it reaches the product's set length and stops. Note: (The forward distance of the insertion stepper motor 14 is flexible and controllable and can be adjusted at any time according to the length of the air guide tube required for production.) After the insertion stepper motor 14 is in position, the pressing cylinder 102 receives the signal and presses the air guide tube downward. The first cylinder 103 drives the first slide rail 107 forward to return to the initial position. The cutting cylinder 101 then moves downward, and the cutting blade 105 cuts the air guide tube. After that, 101 returns to its original position. At this point, the first cycle of the air duct is complete. After the insertion stepper motor 14 completes the insertion action and returns, the next cycle will begin.

[0065] Meanwhile, the stepper motor 14 drives the cut air tube to continue moving forward until it reaches the position in front of the assembly joint fixed by the conveying claw, and inserts the air tube into the assembly joint. Figure 4 After insertion at position 21 of the first hole, the tube moves backward until it reaches the retracted position that moves the first cylinder 103 backward, exposing the tube head again. Preparation is underway for the next air tube separation and length cutting. The automated production directional cycle begins.

[0066] Note: The separation, cutting, and insertion of the second and third air tubes are performed in the same manner as the first air tube.

[0067] The movement mode of the connector of the present invention is as follows:

[0068] The connector is manually placed at the starting position of the assembly connector slide rail 6, and automatically slides to the first positioning rod 7. At this time, the conveying claw cylinder 3 descends. The assembly connector conveying stepper motor 2 moves from left to right, making a directional and fixed-length movement, driving the connector to the second positioning rod 8. Then, after the insertion stepper motor 14 inserts the air tube into the first hole 21 of the assembly connector, the conveying claw cylinder 3 rises again, and the assembly connector conveying stepper motor 2 returns to the left. After the first positioning rod 7 is filled with the next connector, the conveying claw cylinder 3 descends, and the assembly connector conveying stepper motor 2 moves to the right again. At this time, the first connector reaches the third positioning rod 9; the second connector reaches the second positioning rod 8. After the insertion stepper motor 14 inserts the air tube into the first hole 21 of the assembly connector, and the insertion stepper motor inserts the air tube into the second hole 22 of the assembly connector, the conveying claw cylinder 3 rises again, and the assembly connector conveying stepper motor 2 returns to the left to receive the next connector. The conveying claw's upper and lower cylinder 3 descends, and the assembly connector conveying stepper motor 2 moves to the right again, sending the first connector to the fourth positioning rod 10, the second connector to the third positioning rod 9, and the third connector to the second positioning rod 8. After the three insertion stepper motors complete their insertion steps, the cycle repeats. Finally, the first connector is sent to the assembly connector slide rail end position 11. A fiber optic check is then performed to determine if any air guide tubes on the connectors are missing. If confirmed to be in good condition, normal operation resumes, and the good products with the three air guide tubes inserted are discharged in an orderly manner. (If any defects are detected, the defective products are manually removed.) This completes the air guide tube insertion process for the connectors.

[0069] The system settings for this invention are as follows:

[0070] After powering on, operate the electronic touchscreen to select the model to be used. First, confirm that there are no residual parts in the equipment slide. Select automatic movement mode and click initialization. Each stepper motor on the equipment will automatically return to its initial point, and the cylinder will move back to its origin. After reaching its position, insert the three air guide pipes into the outlet position of positioning block 106 and cut off the air guide pipes to form the running point. This completes the work preparation state. After inserting the connector slide rail 6 into the slide, the equipment can start operating.

[0071] Tightening of the sealing sleeve: Before placing the connector, apply glue to the sealing sleeve connector and manually place it inside the connector. Then, place the connector at the starting position of the assembly connector slide rail 6. When the connector reaches the first positioning rod 7, the conveying claw upper and lower cylinder 3 presses down, and the sealing sleeve clamping cylinder 5 moves forward to clamp the sealing sleeve tightly. The sealing sleeve clamping cylinder 5 retracts, and the assembly connector conveying stepper motor 2 moves the connector to the right.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic insertion system for assembling connectors and air ducts, characterized in that: It includes a support bar (4) and an air duct separation and cutting section set on the equipment base (1), and the number of air duct separation and cutting sections is three; the outer side of the support bar (4) is slidably connected to an assembly joint conveying stepper motor (2), the upper surface of the assembly joint conveying stepper motor (2) is provided with a conveying claw upper and lower cylinder (3), the upper surface of the conveying claw upper and lower cylinder (3) is provided with an assembly joint, the upper surface of the support bar (4) is provided with an assembly joint slide rail (6), the inner side of the support bar (4) is provided with several air duct separation and cutting sections, and the air duct (109) is set on the air duct separation and cutting section; The air duct separation and cutting section includes a guide block (104), and an air duct groove is provided on the upper surface of the guide block (104). A guide device (108) is provided on the upper part of the air duct groove. With the side closest to the support bar (4) as the front, a first cylinder (103) is provided at the front of the guide block (104), a first slide rail (107) is provided at the front of the first cylinder (103), the first cylinder (103) is connected to the first slide rail (107), a clamping cylinder (102) is provided on the upper part of the first cylinder (103), and a positioning block (106) is provided on the upper part of the first slide rail (107). The center of the positioning block (106) is... A positioning hole is provided, and a cutting blade (105) is provided above the positioning block (106). The cutting blade (105) is connected to the cutting cylinder (101). A plugging stepper motor (14) is connected to the front of the first slide rail (107). An L-shaped fixture (13) and a clamping cylinder (12) are slidably connected to the upper surface of the plugging stepper motor (14). The air guide pipe (109) is provided on the guide block (104) and the L-shaped fixture (13). The support bar (4) is provided with a first positioning rod (7), a second positioning rod (8), a third positioning rod (9) and a fourth positioning rod (10) arranged sequentially from one side to the other. The positions of the second positioning rod (8), the third positioning rod (9) and the fourth positioning rod (10) are each opposite to the position of a gas duct separation and cutting section.

2. The automatic insertion system for the assembly connector and air duct according to claim 1, characterized in that, The center hole and the positioning hole of the L-shaped fixture (13) are positioned opposite each other.

3. The automatic insertion system for the assembly connector and air duct according to claim 1, characterized in that, The first positioning rod (7), the second positioning rod (8), the third positioning rod (9) and the fourth positioning rod (10) are set at equal intervals.

4. The automatic insertion system for the assembly connector and air duct according to claim 1, characterized in that, The assembly joint slide rail (6) is provided with a sealing sleeve pressing cylinder (5) for sealing the assembled assembly joint with the air guide pipe (109).

5. A method for automatically assembling a connector and an air duct, implemented based on the automatic assembly system for connecting a connector and an air duct as described in any one of claims 1-4, characterized in that, Includes the following steps: Place the assembly connector at the starting position of the assembly connector slide rail (6), and slide the assembly connector on the assembly connector slide rail (6) to the first positioning rod (7); The conveying claw at the first positioning rod (7) is lowered by the upper and lower cylinder (3), and the assembly joint conveying stepper motor (2) moves to the other end and reaches the position of the second positioning rod (8); After reaching the position of the second positioning rod (8), the upper and lower cylinders (3) of the conveying claw rise. The conveying claw on the upper and lower cylinders (3) assembles the cut air pipe (109) with the assembly joint. The upper and lower cylinders (3) of the conveying claw rise again. With the direction close to the starting position of the slide rail (6) of the assembly joint as the left, the assembly joint conveying stepper motor (2) returns to the left. After the next assembly joint is added at the first positioning rod (7), the upper and lower cylinders (3) of the conveying claw descend. The assembly joint conveying stepper motor (2) moves to the right again. At this time, the first assembly joint reaches the position of the third positioning rod (9); the second assembly joint reaches the position of the second positioning rod (8). After the two insertion stepper motors (14) insert the air tube (109) into the assembly joint, the conveying claw upper and lower cylinder (3) rises again, and the assembly joint conveying stepper motor (2) returns to the left position to receive the next assembly joint. The conveying claw cylinder (3) descends, and the assembly connector conveying stepper motor (2) moves to the right again, sending the first assembly connector to the fourth positioning rod (10), the second assembly connector to the third positioning rod (9), and the third assembly connector to the second positioning rod (8). Then, wait for the three insertion stepper motors (14) to complete the insertion steps respectively, and enter the cycle again. Finally, after the first assembly connector is sent to the end position (11) of the assembly connector slide rail, a fiber optic check is performed to check whether the air duct is missing. The air duct (109) on the assembly connector is checked for missing parts. After confirming that it is good, the normal operation is performed and the good products with three air ducts (109) inserted are discharged in an orderly manner.

6. The method for automatic insertion of the assembly connector and the air duct according to claim 5, characterized in that, It also includes the step of cutting off the air tube, as follows: The air duct (109) is introduced from the rear and placed in the air duct groove of the guide block (104); The stepper motor (14) feeds backward, driving the upper L-shaped fixture (13) to move backward to the starting position of the length measurement of the air pipe (109). The first cylinder (103) is in a depressurized state, and the positioning block (106) and the first slide rail (107) move backward with the stepper motor. The clamping cylinder (12) rises and clamps the air guide tube (109). At this time, the stepper motor (14) is engaged and moves forward. The clamping cylinder (12) clamps the air guide tube (109) and moves forward until it reaches the product's set length and then stops. The first cylinder (103) drives the first slide rail (107) forward, the pressing cylinder (102) presses the air guide pipe (109) downward, and the cutting cylinder (101) moves downward, and the cutting blade (105) cuts the air guide pipe (109). The stepper motor (14) drives the cut air tube to continue moving forward, inserting the cut air tube (109) into the assembly joint and releasing the clamping cylinder (12). After insertion, move backward to the push position of the first cylinder (103), and expose the air pipe head again, repeating the above steps.

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