Finished product distribution valve air tightness detection device

Abstract

The invention relates to the technical field of air tightness detection, in particular to a finished product distribution valve air tightness detection device which comprises a rack arranged on the ground, a platform is horizontally fixed to the upper end of the rack, a sliding rod set is arranged on one side of the platform in an upward extending mode, and a fixing mechanism is arranged on the other side, beside the sliding rod set, of the platform. A driving mechanism is fixed at the upper part of the sliding rod group and is used for driving a connecting part of the finished product distribution valve to rotate and hermetically communicating the connecting part to each connecting port of the finished product distribution valve; a lifting mechanism is arranged in the middle of the sliding rod set in a sliding mode and used for driving connecting parts of the finished product distribution valve to ascend and descend, and the connecting parts are arranged at all connecting ports of the finished product distribution valve. The positions of connecting parts on the driving mechanism and the lifting mechanism can be adjusted so as to correspond to the positions of all connecting ports of the finished product distribution valve. The air tightness detection device for the finished product distribution valve can realize automatic connection between the finished product distribution valve and test equipment, and is suitable for detection work of finished product distribution valves of various sizes and models.

Description

Technical Field

[0001] The present invention relates to the technical field of airtightness detection, and particularly to an airtightness detection device for a finished product distribution valve. Background Art

[0002] The distribution valve of a vehicle air pump is a key component in the vehicle inflation system. Its main function is to control the flow direction of the compressed air generated by the air pump to ensure that it is distributed to the tires or other components that need inflation as required. The distribution valve mainly includes components such as a valve body, an electromagnetic valve group, a pressure sensor, a sealing component, a control unit, and connection ports.

[0003] Currently, the detection of the finished product distribution valve is a key step to ensure its performance, reliability, and safety. The detection items usually cover multiple aspects such as function, performance, durability, and safety. Among them, the airtightness detection of the finished product distribution valve is the most important detection item. The existing detection method is: through a manual connection method, the finished product distribution valve is connected to the air circuit port of the test equipment, and at the same time, the finished product distribution valve is connected to the electrical port of the test equipment; then the airtightness item is detected; after the detection is completed, it is also necessary to manually remove the finished product distribution valve from the test equipment.

[0004] Therefore, the conventional detection method has the following deficiencies: manual operation is too cumbersome, and when manually plugging and unplugging, it is easy to cause damage to the air circuit and electrical circuit of the test equipment, and even cause damage to the finished product distribution valve. Summary of the Invention

[0005] In order to solve the technical problems existing in the background art, the present invention provides an airtightness detection device for a finished product distribution valve, which can realize the automatic connection between the finished product distribution valve and the test equipment, and is applicable to the detection work of finished product distribution valves of various sizes and models.

[0006] The technical solution adopted by the present invention to solve the problem is as follows:

[0007] An airtightness detection device for a finished product distribution valve, comprising:

[0008] A frame arranged on the ground, a platform is horizontally and fixedly arranged at the upper end of the frame, and a sliding rod group extends upward on one side of the platform; a fixing mechanism is arranged on the other side of the platform beside the sliding rod group, and the fixing mechanism is used to fix the finished product distribution valve.

[0009] A driving mechanism is fixedly arranged at the upper part of the sliding rod group, and the driving mechanism is used to drive the connecting component of the finished product distribution valve to rotate and seal and connect the connecting component to each connection port of the finished product distribution valve;

[0010] A lifting mechanism is slidably arranged in the middle of the sliding rod group, and the lifting mechanism is used to drive the connecting component of the finished product distribution valve to lift and place the connecting component at each connection port of the finished product distribution valve;

[0011] The connecting components on the driving mechanism and the lifting mechanism are set to be position-adjustable to correspond to the positions of the connecting ports of the finished product distribution valve.

[0012] Furthermore, the fixing mechanism includes:

[0013] A fixed angle plate fixedly arranged on the upper end surface of the platform. One side of the fixed angle plate is provided with an electrical socket fixedly connected to the platform, and the electrical socket is used for electrical connection with the electrical socket of the finished product distribution valve. The diagonal side of the fixed angle plate is provided with a movable angle plate slidably connected to the platform. A screw socket is fixedly arranged on the platform beside the movable angle plate. A lead screw is screwed in the screw socket. One end of the lead screw is rotatably connected to the movable angle plate, and the other end of the lead screw is coaxially provided with a handwheel.

[0014] Furthermore, a concave chute is arranged on the upper end surface of the platform, and the chute is used for accommodating the slidable movable angle plate.

[0015] Furthermore, a receiving groove is arranged on the platform between the fixed angle plate and the movable angle plate. A lifting push plate is arranged in the receiving groove, and the lifting push plate is used for pushing the finished product distribution valve and pushing it out of the electrical socket.

[0016] Furthermore, the driving mechanism includes:

[0017] A horizontally arranged fixed top plate. A through groove is arranged through one side of the fixed top plate. Upper slide rails are symmetrically arranged on the front and rear sides of the through groove. An upper slide seat is slidably arranged on the upper slide rails. An upper slide rod is fixedly arranged on the upper slide seat. An upper slider is slidably arranged on the upper slide rod. An air motor is fixedly arranged on the upper end surface of the upper slider. A rotating shaft is arranged at the lower end of the air motor. The rotating shaft sequentially passes through the upper slider and the through groove and extends downward;

[0018] A lifting cylinder with a downward stroke end is fixedly arranged on the upper end surface of the other side of the fixed top plate. A fixed hole group is arranged through the fixed top plate beside the lifting cylinder, and a sliding rod group is inserted into the fixed hole group.

[0019] Furthermore, the lifting mechanism includes:

[0020] A horizontally arranged lifting plate, a lower through groove is penetrated through one side of the lifting plate, lower slide rails are symmetrically arranged on the front and rear sides of the lower through groove, a lower slide seat is slidably arranged on the lower slide rails, a lower slide rod is fixedly arranged on the lower slide seat, a lower slide block is slidably arranged on the lower slide rod, a rotary joint is fixedly arranged on the upper end surface of the lower slide block, upper and lower extension pipes are respectively rotatably arranged at the upper and lower ends of the rotary joint, the upper and lower extension pipes are coaxially rotatably arranged, a coupling slide sleeve is coaxially fixedly arranged at the upper end of the upper extension pipe, the lower extension pipe sequentially passes through the lower slide block and the lower through groove and extends downward, and a connecting mechanism connected to each connection port of the finished product distribution valve is arranged at the lower end of the lower extension pipe;

[0021] An installation seat for fixing the stroke end of the lifting cylinder is arranged on the other side of the lifting plate, a slide hole group is penetrated through the lifting plate beside the installation seat, and a slide rod group is slidably inserted into the slide hole group.

[0022] Further, the rotating shaft is slidably inserted into the upper extension pipe and the coupling slide sleeve and is coaxially rotatably arranged.

[0023] Further, the connecting mechanism includes:

[0024] An inner convex ring protruding from the inner wall of the lower part of the lower extension pipe, a telescopic pipe slidably inserted into the lower extension pipe, a thrust spring and a sealing ring are arranged between the inner convex ring and the telescopic pipe, the thrust spring abuts against the end faces of the inner convex ring and the telescopic pipe along the axis of the lower extension pipe and the telescopic pipe, and the sealing ring is arranged between the inner wall of the lower extension pipe and the outer wall of the telescopic pipe;

[0025] A fixing sleeve fixedly arranged on the outer wall of the lower part of the lower extension pipe, and the fixing sleeve is clamped with the telescopic pipe;

[0026] External threads are arranged on the outer wall of the lower part of the telescopic pipe, an outer convex ring protrudes from the outer wall of the telescopic pipe above the external threads, and a sealing gasket is sleeved on the telescopic pipe between the outer convex ring and the external threads.

[0027] Further, the upper through groove is arranged directly above the lower through groove, and both the upper through groove and the lower through groove are arranged above the fixing mechanism;

[0028] The upper slide rail is arranged directly above the lower slide rail;

[0029] The upper slide seat is arranged directly above the lower slide seat;

[0030] The upper slide rod is arranged directly above the lower slide rod;

[0031] The upper slide block is arranged directly above the lower slide block;

[0032] The pneumatic motor is arranged directly above the rotary joint.

[0033] Furthermore, the rotation shaft, the upper extension pipe, the coupling sliding sleeve, the lower extension pipe, and the telescopic pipe are coaxially arranged;

[0034] The rotation shaft is slidably inserted into the upper extension pipe and the coupling sliding sleeve, and is rotatably arranged coaxially;

[0035] The telescopic pipe is slidably inserted into the lower extension pipe and is rotatably arranged coaxially.

[0036] The beneficial effects of an airtightness detection device for a finished product distribution valve of the present invention are as follows:

[0037] 1. Through the fixing mechanism, the finished product distribution valve is reliably fixed and electrically connected to the control mechanism;

[0038] 2. The telescopic pipe is lifted and lowered through the lifting mechanism, and the connection port between the telescopic pipe and the finished product distribution valve is communicated and separated through the driving mechanism;

[0039] 3. The position of the telescopic pipe is adjusted through the driving mechanism and the lifting mechanism, so as to realize the airtightness detection of the finished product distribution valve of different size models. Description of the Drawings

[0040] Figure 1 is the overall three-dimensional schematic diagram of an embodiment of the present invention;

[0041] Figure 2 is an embodiment of the present invention Figure 1 The enlarged schematic diagram of part A in;

[0042] Figure 3 is the three-dimensional schematic diagram of the driving mechanism of an embodiment of the present invention;

[0043] Figure 4 is the three-dimensional schematic diagram of the lifting mechanism of an embodiment of the present invention;

[0044] Figure 5 is the sectional view of the transmission component of an embodiment of the present invention.

[0045] In the figure:

[0046] 1. Frame, 10. Platform, 11. Slide bar group,

[0047] 2. Fixing mechanism,

[0048] 21. Fixed angle plate, 22. Electrical seat, 23. Movable angle plate, 24. Screwed seat, 25. Lead screw, 26. Hand wheel, 27. Chute, 28. Lifting push plate,

[0049] 3. Driving mechanism,

[0050] 30. Fixed top plate, 31. Upper through groove, 32. Upper slide rail, 33. Upper slide seat, 34. Upper slide bar, 35. Upper slider, 36. Pneumatic motor, 37. Rotary shaft, 38. Lifting cylinder, 39. Fixed hole group

[0051] 4. Lifting mechanism

[0052] 40. Lifting plate, 41. Lower through groove, 42. Lower slide rail, 43. Lower slide seat, 44. Lower slide bar, 45. Lower slider, 46. Rotary joint, 471. Upper extension pipe, 472. Coupling slide sleeve, 473. Lower extension pipe, 474. Connecting mechanism, 48. Mounting seat, 49. Slide hole group

[0053] 4741. Inner convex ring, 4742. Telescopic pipe, 4743. Thrust spring, 4744. Sealing ring, 4745. Fixed sleeve, 4746. Outer convex ring, 4747. Sealing gasket Detailed implementation manner

[0054] In order to more clearly and explicitly illustrate the specific implementation purpose and implementation manner of the present invention, the technical solution of the present invention will be described completely below. The described embodiments are part of the embodiments of the present invention, rather than all embodiments. Without making creative efforts, all other embodiments based on the embodiments described in the present invention belong to the protection scope of the present invention.

[0055] An airtightness detection device for a finished product distribution valve of the present invention, as Figure 1 shown, includes:

[0056] A frame 1 provided on the ground, a platform 10 is horizontally and fixedly provided at the upper end of the frame 1, a control mechanism is provided in the frame 1, the control mechanism is communicated with a compressed air system, a slide bar group 11 extends upward on one side of the platform 10, and a notch is provided at a corner of the platform 10.

[0057] A fixing mechanism 2 is provided on the other side of the platform 10 beside the slide bar group 11, and the fixing mechanism 2 is used to fix the finished product distribution valve, as Figure 2 shown, includes:

[0058] The fixed angle plate 21 is fixedly arranged on the upper end surface of the platform 10. One side of the fixed angle plate 21 is provided with an electrical socket 22 fixedly connected to the platform 10. The electrical socket 22 is electrically connected to the control mechanism for electrically connecting to the electrical socket of the finished product distribution valve. The diagonal side of the fixed angle plate 21 is provided with a movable angle plate 23 slidably connected to the platform 10. A screwing seat 23 is fixedly arranged on the platform 10 beside the movable angle plate 23. A lead screw 25 is screwed in the screwing seat 23. One end of the lead screw 25 is rotatably connected to the movable angle plate 23. The other end of the lead screw 25 is coaxially provided with a handwheel 26. The handwheel 26 extends from the notch to the outside of the platform 10. An inward concave chute 27 is arranged on the upper end surface of the platform 10 for accommodating the slidable movable angle plate 23. A receiving groove is arranged on the platform 10 between the fixed angle plate 21 and the movable angle plate 23. A lifting push plate 28 is arranged in the receiving groove. The lifting push plate 28 is used to push the finished product distribution valve and push it out of the electrical socket 22. A push cylinder fixed to the frame 1 and communicated with the compressed air system is arranged at the lower end of the lifting push plate 28.

[0059] The upper part of the slide bar group 11 is fixedly provided with a driving mechanism 3. The driving mechanism 3 is used to drive the connecting component of the finished product distribution valve to rotate and hermetically connect the connecting component to each connecting port of the finished product distribution valve. As Figure 3 shown, it includes:

[0060] A horizontally arranged fixed top plate 30. A upper through groove 31 is penetrated on one side of the fixed top plate 30. The upper through groove 31 is arranged above the fixing mechanism 2. Upper slide rails 32 are symmetrically arranged on the front and rear sides of the upper through groove 31. An upper slide seat 33 is slidably arranged on the upper slide rails 32. An upper transverse positioning bolt abutted against the upper slide rails 32 is screwed on the upper slide seat 33. An upper slide bar 34 perpendicular to the upper slide rails 32 is fixedly arranged on the upper slide seat 33. An upward-opening upper positioning groove is arranged on the upper slide bar 34. Upper positioning nuts abutted against the outer wall of the upper slide seat 33 are respectively screwed at both ends of the upper slide bar 34. An upper slide block 35 is slidably arranged on the upper slide bar 34. An upper longitudinal positioning bolt abutted against the bottom of the upper positioning groove is screwed on the upper slide block 35. A pneumatic motor 36 communicated with the compressed air system is fixedly arranged on the upper end surface of the upper slide block 35. A rotating shaft 37 is arranged at the lower end of the pneumatic motor 36. The rotating shaft 37 sequentially passes through the upper slide block 35 and the upper through groove 31 and extends downward; A lifting cylinder 38 with the stroke end downward and communicated with the compressed air system is fixedly arranged on the upper end surface of the other side of the fixed top plate 30. A fixed hole group 39 is penetrated on the fixed top plate 30 beside the lifting cylinder 38 for inserting the slide bar group 11.

[0061] A lifting mechanism 4 is slidably arranged in the middle of the sliding rod group 11. The lifting mechanism 4 is used to drive the connecting component of the finished product distribution valve to lift and place the connecting component at each connecting port of the finished product distribution valve. For example, Figure 4 Figure 5 as shown, it includes:

[0062] A horizontally arranged lifting plate 40. A lower through groove 41 is penetrated through one side of the lifting plate 40. The lower through groove 41 is arranged directly below the upper through groove 31 and above the fixing mechanism 2. The front and rear sides of the lower through groove 41 are symmetrically provided with lower slide rails 42. The lower slide rails 42 are arranged directly below the upper slide rails 32. A lower slide seat 43 is slidably arranged on the lower slide rails 42. The lower slide seat 43 is arranged directly below the upper slide seat 33. A lower transverse positioning bolt that abuts against the lower slide rail 42 is screwed on the lower slide seat 43. A lower slide rod 44 perpendicular to the lower slide rail 42 is fixedly arranged on the lower slide seat 43. The lower slide rod 44 is arranged directly below the upper slide rod 34. A lower positioning groove opening upward is arranged on the lower slide rod 44. Lower positioning nuts that abut against the outer wall of the lower slide seat 43 are respectively screwed at both ends of the lower slide rod 44. A lower slide block 45 is slidably arranged on the lower slide rod 44. The lower slide block 45 is arranged directly below the upper slide block 35. A lower longitudinal positioning bolt that abuts against the bottom of the lower positioning groove is screwed on the lower slide block 45. A rotary joint 46 communicated with the compressed air system is fixedly arranged on the upper end surface of the lower slide block 45. The rotary joint 46 is arranged directly below the pneumatic motor 36. Upper and lower extension pipes 471 and 473 are respectively rotatably arranged at the upper and lower ends of the rotary joint 46. The upper and lower extension pipes 471 and 473 are coaxially rotatably arranged. The lower extension pipe 473 sequentially passes through the lower slide block 45 and the lower through groove 41 and extends downward. A coupling slide sleeve 472 is coaxially fixedly arranged at the upper end of the upper extension pipe 471. A rotating shaft 37 is slidably inserted and coaxially rotatably arranged in the upper extension pipe 471 and the coupling slide sleeve 472. A connecting mechanism 474 connected to each connecting port of the finished product distribution valve is arranged at the lower end of the lower extension pipe 473; An installation seat 48 for fixing the stroke end of the lifting cylinder 38 is arranged on the other side of the lifting plate 40. A group of slide holes 49 is penetrated through the lifting plate 40 beside the installation seat 48. The slide rod group 11 is slidably inserted into the group of slide holes 49.

[0063] The connecting mechanism 474, as Figure 5 shown, includes:

[0064] An inner convex ring 4741 protruding from the inner wall of the lower part of the lower extension pipe 473, and a telescopic pipe 4742 slidably inserted into the lower extension pipe 473. The telescopic pipe 4742 is coaxially arranged with the rotating shaft 37, the upper extension pipe 471, the coupling sliding sleeve 472, and the lower extension pipe 473. A thrust spring 4743 and a sealing ring 4744 are arranged between the inner convex ring 4741 and the telescopic pipe 4742. The thrust spring 4743 abuts against the end faces of the inner convex ring 4741 and the telescopic pipe 4742 along the axis of the lower extension pipe 473 and the telescopic pipe 4742. The sealing ring 4744 is arranged between the inner wall of the lower extension pipe 473 and the outer wall of the telescopic pipe 4742; A fixed sleeve 4745 fixedly arranged on the outer wall of the lower part of the lower extension pipe 473, and the fixed sleeve 4745 is clamped with the telescopic pipe 4742; An external thread is arranged on the outer wall of the lower part of the telescopic pipe 4742, and an external convex ring 4746 protrudes from the outer wall of the telescopic pipe 4742 above the external thread. A ring-shaped sealing gasket 4747 is sleeved outside the telescopic pipe 4742 between the external convex ring 4746 and the external thread.

[0065] According to the specific structure of an airtightness detection device for a finished product distribution valve in the above embodiment, combined with Figure 5 as shown, the detection method of an airtightness detection device for a finished product distribution valve will be further described below:

[0066] A. Fix the finished product distribution valve:

[0067] Rotate the handwheel 26 to move the movable angle plate 23 away from the fixed angle plate 21;

[0068] Place the finished product distribution valve at the fixed angle plate 21. According to the position of the electrical socket of the finished product distribution valve, adjust the position of the electrical socket 22 and fix it;

[0069] Electrically plug the electrical socket of the finished product distribution valve into the electrical socket 22, and one corner of the finished product distribution valve is in contact with the two side walls and the bottom end face of the fixed angle plate 21;

[0070] Rotate the handwheel 26 to move the movable angle plate 23 close to the fixed angle plate 21 and clamp the other diagonal corner of the distribution valve.

[0071] B. Arrange the driving mechanism 3:

[0072] According to the number of horizontal rows and horizontal spacing of the connection ports of the finished product distribution valve, set the same number of upper sliding seats 33 on the upper slide rail 32 and fix them with upper horizontal positioning bolts;

[0073] Fix the upper slide rod 34 to the upper sliding seat 33 in the way that the upper positioning groove is upward through the upper positioning nut;

[0074] According to the longitudinal rows and longitudinal spacing of the connection ports of the finished product distribution valve, set the same number of upper sliding blocks 35 on the upper sliding rod 34, insert the upper longitudinal positioning bolts into the upper positioning grooves, and fix them;

[0075] Connect the pneumatic motor 36 to the compressed air system.

[0076] C. Arrange the lifting mechanism 4:

[0077] According to the transverse columns and transverse spacing of the connection ports of the finished product distribution valve, set the same number of lower sliding seats 43 on the lower slide rail 42, and fix them with lower transverse positioning bolts;

[0078] Fix the lower sliding rod 44 to the lower sliding seat 43 in the way that the lower positioning groove faces upward through the lower positioning nut;

[0079] According to the longitudinal rows and longitudinal spacing of the connection ports of the finished product distribution valve, set the same number of lower sliding blocks 45 on the lower sliding rod 44, insert the lower longitudinal positioning bolts into the lower positioning grooves, and fix them; At this time, the rotating shaft 37, the upper extension pipe 471, the coupling sliding sleeve 472, the lower extension pipe 473, and the telescopic pipe 4742 are coaxial;

[0080] Connect the rotary joint 46 to the compressed air system.

[0081] D. Air tightness detection:

[0082] Through the control mechanism, make the stroke end of the lifting cylinder 38 move downward until the lower end of the telescopic pipe 4742 abuts against the connection port of the finished product distribution valve and retracts into the lower extension pipe 473;

[0083] Through the control mechanism, make the pneumatic motor 36 rotate, drive the external thread at the lower part of the telescopic pipe 4742 to be screwed with the connection port of the finished product distribution valve until the gasket 4747 is pressed tightly, so that the telescopic pipe 4742 is hermetically connected to the connection port of the finished product distribution valve.

[0084] Supply compressed air to the finished product distribution valve through the control mechanism;

[0085] Through the control mechanism, control the finished product distribution valve, distribute the supplied compressed air to other interfaces at different pressures, and cut off the air supply state;

[0086] Through the control mechanism, cut off the compressed air supplied to the finished product distribution valve, and conduct a pressure test on the pipeline for supplying compressed air to judge the air tightness of the finished product distribution valve.

[0087] E. Remove the finished product distribution valve:

[0088] After the detection is completed, through the control mechanism, make the pneumatic motor 36 rotate, drive the telescopic pipe 4742 to screw out from the connection port of the finished product distribution valve;

[0089] The lifting cylinder 38 is moved upward at the stroke end through the control mechanism until the lower end of the telescopic pipe 4742 is separated from the connection port of the finished product distribution valve;

[0090] The moving angle plate 23 is rotated away from the fixed angle plate 21 by rotating the handwheel 26;

[0091] The stroke end of the push cylinder is moved upward through the control mechanism, driving the lifting push plate 28 to move upward until the electrical socket of the finished product distribution valve is pushed out of the electrical seat 22, and then the finished product distribution valve can be removed.

[0092] In summary, the above is only a preferred embodiment of the present invention and is not used to limit the scope of the present invention. Through the above description, relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content of the specification. All equal changes and modifications in terms of shape, structure, features and spirit as described in the claims of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A device for detecting air tightness of a finished product dispensing valve, comprising: A frame (1) is arranged on the ground, a platform (10) is fixedly arranged horizontally on the upper end of the frame (1), and a sliding rod group (11) is extended upwardly on one side of the platform (10), characterized in that: A fixing mechanism (2) is provided on the other side of the platform (10) next to the slide rod group (11), and the fixing mechanism (2) is used to fix the finished product dispensing valve; A driving mechanism (3) is fixedly arranged on the upper part of the slide rod group (11), and the driving mechanism (3) is used to drive the connection component with the finished product distribution valve to rotate, and seal the connection component to each connection port of the finished product distribution valve; A lifting mechanism (4) is slidably arranged in the middle of the slide rod group (11), and the lifting mechanism (4) is used to drive the connection components with the finished product distribution valve to rise and fall, and to place the connection components at each connection port of the finished product distribution valve; The connection components on the driving mechanism (3) and the lifting mechanism (4) are arranged to be positionally adjustable, so as to correspond to the positions of the connection ports of the finished product distribution valve.

2. The air tightness detection device for a finished product dispensing valve according to claim 1, characterized in that: The fixing mechanism (2) comprises: A fixed angle plate (21) is fixedly arranged on the upper end surface of the platform (10), and an electrical socket (22) fixedly connected to the platform (10) is arranged on one side of the fixed angle plate (21). The electrical socket (22) is used to be electrically connected to the electrical socket of the finished dispensing valve. A movable angle plate (23) slidably connected to the platform (10) is arranged on the diagonal side of the fixed angle plate (21). A screw seat (23) is fixedly arranged on the platform (10) next to the movable angle plate (23), and a lead screw (25) is screwed inside the screw seat (23). One end of the lead screw (25) is rotatably connected to the movable angle plate (23), and a hand wheel (26) is coaxially arranged on the other end of the lead screw (25).

3. The air tightness detection device for a finished product dispensing valve according to claim 2, characterized in that: An inwardly concave sliding groove (27) is provided on the upper end surface of the platform (10), and the sliding groove (27) is used to accommodate a sliding movable angle plate (23).

4. The air tightness detection device for a finished product dispensing valve according to claim 2, characterized in that: The platform (10) between the fixed angle plate (21) and the movable angle plate (23) is provided with a receiving groove, and a lifting push plate (28) is provided in the receiving groove. The lifting push plate (28) is used to push the finished product dispensing valve and push it out of the electrical seat (22).

5. The device for detecting air tightness of a finished product dispensing valve according to claim 2, characterized in that: The driving mechanism (3) comprises: A fixed top plate (30) is arranged horizontally, an upper through slot (31) is penetrated on one side of the fixed top plate (30), upper slide rails (32) are symmetrically arranged on the front and rear sides of the upper through slot (31), an upper slide seat (33) is slidably arranged on the upper slide rail (32), an upper slide rod (34) is fixedly arranged on the upper slide seat (33), an upper slide block (35) is slidably arranged on the upper slide rod (34), an air motor (36) is fixedly arranged on the upper end surface of the upper slide block (35), a swivel shaft (37) is arranged at the lower end of the air motor (36), and the swivel shaft (37) passes through the upper slide block (35) and the upper through slot (31) in sequence and extends downward; A lifting cylinder (38) with a stroke end downwardly disposed is fixedly disposed on the upper end surface of the other side of the fixed top plate (30), and a fixing hole group (39) is penetrated through the fixed top plate (30) next to the lifting cylinder (38), and the sliding rod group (11) is inserted into the fixing hole group (39).

6. The device for detecting air tightness of a finished product dispensing valve according to claim 5, characterized in that: The lifting mechanism (4) comprises: A lifting plate (40) is arranged horizontally, a lower through slot (41) is provided through one side of the lifting plate (40), lower slide rails (42) are symmetrically provided on the front and rear sides of the lower through slot (41), a lower slide seat (43) is slidably provided on the lower slide rail (42), a lower slide rod (44) is fixedly provided on the lower slide seat (43), a lower slide block (45) is slidably provided on the lower slide rod (44), a swivel joint (46) is fixedly provided on the upper end surface of the lower slide block (45), and the swivel joint An upper extension tube (471) and a lower extension tube (473) are rotatably arranged at the upper and lower ends of (46), respectively. The upper extension tube (471) and the lower extension tube (473) are coaxially rotatably arranged. A coupling sleeve (472) is coaxially fixedly arranged at the upper end of the upper extension tube (471). The lower extension tube (473) passes through the lower slider (45) and the lower through groove (41) in sequence and extends downward. A connecting mechanism (474) connected to each connecting port of the finished product dispensing valve is arranged at the lower end of the lower extension tube (473); A mounting seat (48) for fixing the stroke end of the lifting cylinder (38) is provided on the other side of the lifting plate (40), and a sliding hole group (49) is provided through the lifting plate (40) next to the mounting seat (48), and a sliding rod group (11) is slidably inserted in the sliding hole group (49).

7. The device for detecting air tightness of a finished product dispensing valve according to claim 6, characterized in that: The rotating shaft (37) is slidably inserted into the upper extension tube (471) and the shaft connecting sleeve (472) and is coaxially rotatably arranged.

8. The device for detecting air tightness of a finished product dispensing valve according to claim 6, characterized in that: The connecting mechanism (474) comprises: An inner convex ring (4741) protruding from the inner wall of the lower portion of the lower extension tube (473), a telescopic tube (4742) slidably inserted into the lower extension tube (473), a thrust spring (4743) and a sealing ring (4744) are provided between the inner convex ring (4741) and the telescopic tube (4742), the thrust spring (4743) abuts against the end faces of the inner convex ring (4741) and the telescopic tube (4742) along the axis of the lower extension tube (473) and the telescopic tube (4742), and the sealing ring (4744) is provided between the inner wall of the lower extension tube (473) and the outer wall of the telescopic tube (4742); A fixing sleeve (4745) fixedly arranged on the lower outer wall of the lower extension tube (473), wherein the fixing sleeve (4745) is clamped with the telescopic tube (4742); An external thread is provided on the outer wall of the lower part of the telescopic tube (4742), an external convex ring (4746) is protrudingly provided on the outer wall of the telescopic tube (4742) above the external thread, and a sealing gasket (4747) is provided on the outer sleeve of the telescopic tube (4742) between the external convex ring (4746) and the external thread.

9. The device for detecting air tightness of a finished product dispensing valve according to claim 8, characterized in that: The upper through groove (31) is arranged directly above the lower through groove (41), and both the upper through groove (31) and the lower through groove (41) are arranged above the fixing mechanism (2); The upper slide rail (32) is arranged directly above the lower slide rail (42); The upper slide seat (33) is arranged directly above the lower slide seat (43); The upper slide bar (34) is arranged directly above the lower slide bar (44); The upper slider (35) is arranged directly above the lower slider (45); The pneumatic motor (36) is arranged directly above the rotary joint (46).

10. The air tightness detection device for a finished product dispensing valve according to claim 8, characterized in that: The rotating shaft (37), the upper extension tube (471), the shaft-connecting sliding sleeve (472), the lower extension tube (473), and the telescopic tube (4742) are coaxially arranged; The rotating shaft (37) is slidably inserted into the upper extension tube (471) and the shaft connecting sleeve (472) and is coaxially rotatably arranged; The telescopic tube (4742) is slidably inserted into the lower extension tube (473) and is coaxially rotatably arranged.

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