CN114112218A

CN114112218A - Air tightness detection device of tire

Info

Publication number: CN114112218A
Application number: CN202210077985.2A
Authority: CN
Inventors: 王�锋; 孙松涛; 马玉静; 张琦; 罗洪罡; 卞在愿; 朱相烈
Original assignee: Shandong Linglong Rubber Technology Co ltd; Shandong Linglong Tyre Co Ltd
Current assignee: Shandong Linglong Rubber Technology Co ltd; Shandong Linglong Tyre Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-03-01
Anticipated expiration: 2042-01-24
Also published as: CN114112218B

Abstract

The invention discloses an air tightness detection device of a tire, which relates to the technical field of tire detection and comprises a rotating mechanism and a feeding conveyer belt arranged on one side of the rotating mechanism, wherein the upper end of the rotating mechanism is provided with a mounting frame, the lower end of the mounting frame is provided with three detection auxiliary mechanisms, each detection auxiliary mechanism comprises a clamping assembly, a detection auxiliary assembly and two detection cameras, a discharging mechanism and a detection mechanism are arranged beside the rotating mechanism, the detection mechanism comprises a detection assembly, a liquid supplement assembly and a liquid supplement box, and the liquid supplement assembly is arranged inside the detection assembly. According to the invention, the tire is driven to rotate during detection, so that the detection accuracy is improved, and the detection efficiency can be improved and the detection liquid in the detection box can be supplemented in time through the lifting matching of the detection box, so that the detection process is more efficient and convenient.

Description

Air tightness detection device of tire

Technical Field

The invention relates to the technical field of tire detection, in particular to an air tightness detection device of a tire.

Background

A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. The air tightness directly determines whether the tire product is qualified, so that the air tightness detection is carried out once on each produced tire.

Chinese patent publication No. CN110963236B discloses an air tightness detecting device for a tire, which laterally fixes the tire by a detecting device, and drives the tire to turn over and move into water, and pass through air bubbles for inspection.

However, the above patents have the following disadvantages in use: 1. detect the accuracy not high, the detection of tire need follow both sides and 360 degrees all-round observations of circumference, if adopt the structure of above-mentioned patent to detect, need all-round setting up a plurality of detection cameras, part is with high costs, and the maintenance of being not convenient for moreover, fixed establishment fixes it from one side of tire in addition, causes the shelter from to detecting the camera very easily for it is poor to detect the accuracy. 2. Detect the unable timely replenishment of water, the entering of tire at every turn and take out and all can carry a large amount of detection water for detect water and become few, can adopt level sensor and control valve cooperation to carry out the measure of moisturizing among the prior art, however, when the moisturizing, because the replenishment of detection water can lead to the detection incasement to detect water not quiet like this, can cause the influence to the testing result, if wait for to replenish and supply after accomplishing again, can influence the speed that detects. 3. The detection device detects that the tire transversely enters and exits detection water, particularly when the detection water is taken out, the structure clamping the tire seals the inner part of the tire, so that a large amount of detection water is inevitably carried, on one hand, the surface of the detection water is not static, on the other hand, the speed of entering the detection of the subsequent tire is influenced, the detection efficiency is reduced, and on the other hand, the detection water amount is easy to cause insufficiency.

Disclosure of Invention

The invention aims to provide a tire airtightness detection device to solve the technical problems that in the prior art, the detection accuracy is not high, the detection efficiency is influenced and the like.

The invention provides an air tightness detection device of a tire, which comprises a rotating mechanism and a feeding conveyer belt arranged on one side of the rotating mechanism, wherein the upper end of the rotating mechanism is provided with a mounting rack, the lower end of the mounting rack is provided with three detection auxiliary mechanisms distributed in a circumferential manner, each detection auxiliary mechanism comprises a clamping component, a detection auxiliary component and two detection cameras, the clamping component is arranged at the edge of the mounting rack, the detection auxiliary components are arranged at the lower end of the clamping component, the two detection cameras are respectively arranged on two sides of the detection auxiliary components, a blanking mechanism and a detection mechanism are further arranged beside the rotating mechanism, the feeding conveyer belt, the blanking mechanism and the detection mechanism are equiangularly distributed beside the rotating mechanism, the detection mechanism comprises a detection component, a liquid supplement component and a liquid supplement tank, and the liquid supplement tank is arranged beside the detection component, the liquid replenishing assembly is arranged inside the detection assembly.

Further, the clamping assembly comprises a bidirectional screw rod sliding table, two sliding blocks which move relatively are arranged on the bidirectional screw rod sliding table, a loop bar is arranged at the lower end of each sliding block, a clamping block is inserted into each loop bar, a first inserting block is arranged on the inner side of the lower end of each loop bar, a first inserting sleeve is arranged between the two first inserting blocks, an installation rod for connecting the first plug bush and the installation frame is arranged between the first plug bush and the installation frame, the two first plug blocks are respectively in plug fit with the two sides of the first plug bush, the upper end of the first plug bush is provided with a lifting cylinder, the output end of the lifting cylinder penetrates through the first plug bush, the output end of the lifting cylinder is provided with a second plug-in sleeve, the two plug-in blocks are arranged inside the clamping blocks and are respectively in plug-in fit with the two ends of the second plug-in sleeve, and the two detection cameras are respectively arranged at the lower ends of the two clamping blocks.

Further, detect auxiliary assembly including setting up one of them the mounting hole of the lower extreme of grip block, be equipped with the fixed block in the mounting hole, the cover is equipped with rather than rotating the go-between of being connected on the fixed block, one side of go-between is equipped with rather than fixed connection's first grip disc, run through on the fixed block and be provided with the connecting pipe, the one end top of connecting pipe is equipped with the inflator pump with grip block fixed connection, the inflator pump passes through the pipeline intercommunication with the connecting pipe, another the lower extreme of grip block is equipped with rather than rotating the rotation block of being connected and is used for driving the rotatory detection motor of rotation block, the inboard of rotation block is equipped with rather than passing through bolted connection's second grip disc.

Further, the edge of first centre gripping dish and second centre gripping dish all is equipped with the step that is used for the block tire.

Further, the inboard of first grip block is equipped with a plurality of telescopic hole, every all be equipped with one end rather than grafting cooperation and telescopic link in the telescopic hole, the free end of all telescopic links is equipped with the limiting plate jointly, one side of limiting plate is equipped with rather than the conflict board of rotating the connection, every all the cover is equipped with the spring on the telescopic link.

Further, run through on the fixed block and be equipped with a plurality of restriction hole, all be equipped with the restriction pole rather than screw-thread fit in every restriction hole, the one end of restriction pole is equipped with the knob, the other end of restriction pole extends to between fixed block and the limiting plate.

Further, the detection assembly comprises a detection frame, a groove is formed in the upper end of the detection frame, a detection box in sliding fit with the detection frame is arranged in the groove, extension lugs are arranged on two sides of the detection box, two detection cylinders vertically arranged are arranged on the detection frame, and the output ends of the detection cylinders are fixedly connected with the two extension lugs respectively.

Further, the liquid supply assembly comprises a detection groove arranged on the detection frame, a piston in sliding fit with the detection groove is arranged in the detection groove, a fixed rod in threaded connection with the detection groove is arranged at the bottom of the detection box, the lower end of the fixed rod is rotatably connected with the piston, a liquid inlet pipe is communicated between the detection groove and the liquid supply box, a liquid supply pipe penetrates through the axes of the piston and the fixed rod, and one-way valves are arranged on the liquid inlet pipe and the liquid supply pipe.

Further, unloading mechanism is including the unloading platform that is the Y type, the height of unloading platform is reduced gradually to its two trunk ways from the trunk way of its Y type, the juncture of two trunk ways of unloading platform is provided with screening motor and screening board, screening motor dress is in the unloading platform, the one end of screening board and the output fixed connection of screening motor.

Compared with the prior art, the invention has the beneficial effects that:

(1) when the tire detection auxiliary assembly is in work, the tire can be driven to rotate slowly through the detection auxiliary assembly, each position of the tire passes through the space between the two detection cameras, the situation that the local air leakage of the tire is shielded by the tire or the detection auxiliary assembly is avoided, and the detection accuracy is improved.

(2) According to the invention, through the structural design of the detection auxiliary assembly, the tire can vertically enter and exit the detection box, compared with the tire transverse detection in the prior art, the amount of detection liquid carried by the tire from the detection liquid can be reduced, the influence of the dripping of a large amount of detection liquid on the workshop environment can be avoided, the influence of the excessive loss of the detection liquid in the detection box on the subsequent detection can also be avoided, in addition, the vertical detection of the tire is matched with the rotation of the tire during detection, and the arrangement of the detection motor, the first clamping disc and the second clamping disc is more convenient.

(3) When the invention works, when the lifting cylinder works to push the tire to move downwards, the detection cylinder also pushes the detection box to move upwards, thus accelerating the speed of the tire entering the detection liquid and improving the detection efficiency, meanwhile, when the detection box moves upwards, the piston is driven to move upwards through the fixed rod, and then the detection liquid in the liquid supplementing box is pumped into the detection groove, when the detection cylinder is withdrawn to drive the detection box at the position where the tire moves upwards after the detection is finished, the detection cylinder is also withdrawn to drive the detection box to contract towards the detection frame, meanwhile, the piston is driven to move downwards through the fixed rod, and then the detection liquid in the detection groove is extruded, so that the detection liquid enters the detection box through the liquid supplementing pipe, the automatic liquid supplementing in the process of withdrawing the detection box is realized, the liquid supplementing is carried out without stopping the detection, the working efficiency is improved, in addition, the work and the descending of the liquid supplementing box are carried out synchronously, the detection step is not added. Wherein, can adjust the initial position of piston in detecting the inslot through rotating the dead lever, and then the fluid infusion volume when control detection case reciprocates at every turn, the volume of the detection liquid of taking away when the not unidimensional tire of adaptation detects, more convenient detects the not unidimensional tire.

(4) The arrangement of the detection auxiliary mechanism, the adjustment arrangement of the liquid supplementing assembly and the adjustment arrangement of the limiting plate by the limiting rod enable the tire detection device to detect tires with different sizes, and the applicability of the tire detection device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the detection assisting mechanism according to the present invention;

FIG. 3 is a schematic partial perspective view of the inspection assisting assembly of the present invention;

FIG. 4 is a top view of the detection mechanism of the present invention;

fig. 5 is a cross-sectional view taken along line a-a of fig. 4.

Reference numerals:

1. a rotation mechanism; 2. a feeding conveyer belt; 3. a mounting frame; 4. a detection assisting mechanism; 41. a clamping assembly; 411. a bidirectional screw rod sliding table; 412. a loop bar; 413. a clamping block; 414. a first plug-in block; 415. a first plug bush; 416. mounting a rod; 417. a lifting cylinder; 42. detecting an auxiliary component; 421. a fixed block; 422. a connecting ring; 423. a first clamping plate; 424. an inflator pump; 425. detecting a motor; 426. a second clamping plate; 43. detecting a camera; 5. a blanking mechanism; 51. a blanking table; 52. a screening plate; 6. a detection mechanism; 61. a detection component; 611. a detection frame; 612. a detection box; 613. an extension ear; 614. detecting a cylinder; 62. a liquid replenishment assembly; 621. a detection tank; 622. a piston; 623. fixing the rod; 624. a liquid inlet pipe; 625. a liquid supplementing pipe; 63. a liquid replenishing box; 7. a step; 81. a telescopic rod; 82. a limiting plate; 83. a touch plate; 84. a spring; 9. a restraining bar.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present invention provides an air tightness detecting device for a tire, including a rotating mechanism 1 and a feeding conveyor belt 2 disposed on one side of the rotating mechanism 1, where the rotating mechanism 1 is driven by a motor according to the prior art, and the feeding conveyor belt 2 is also provided with a corresponding jig to ensure that the tire is conveyed vertically, which is the prior art, an upper end of the rotating mechanism 1 is provided with a mounting frame 3, a lower end of the mounting frame 3 is provided with three circumferentially distributed detection auxiliary mechanisms 4, each detection auxiliary mechanism 4 includes a clamping component 41, a detection auxiliary component 42 and two detection cameras 43, the clamping component 41 is disposed at an edge of the mounting frame 3, the detection auxiliary component 42 is disposed at a lower end of the clamping component 41, and the two detection cameras 43 are disposed at two sides of the detection auxiliary component 42 respectively, rotary mechanism 1's side still is equipped with unloading mechanism 5 and detection mechanism 6, angular distribution such as material loading conveyer belt 2, unloading mechanism 5 and detection mechanism 6 is at rotary mechanism 1's side, detection mechanism 6 includes detection module 61, liquid supply assembly 62 and fluid infusion case 63, fluid infusion case 63 sets up the side at detection module 61, liquid supply assembly 62 sets up the inside at detection module 61.

When in work: the mounting frame 3 is driven to rotate through the work of the rotating mechanism 1, the three detection auxiliary mechanisms 4 are driven to rotate in a stepping mode, each detection auxiliary mechanism 4 rotates above the feeding conveying belt 2 firstly, the clamping assembly 41 is matched with the detection auxiliary assembly 42 to clamp tires on the feeding conveying belt 2, and the detection auxiliary mechanisms 4 rotate to the positions above the detection assemblies 61 through the work of the rotating mechanism 1. The tires are placed in the detection assembly 61 for detection, the tires are continuously rotated to the blanking mechanism 5 for blanking after detection is finished, the blanking mechanism 5 screens the tires, and qualified tires and unqualified tires are separately blanked. When the rotation mechanism 1 drives the detection auxiliary mechanism 4 to rotate, the liquid replenishing assembly 62 replenishes the detection liquid in the liquid replenishing tank 63 into the detection assembly 61, and the influence of the detection liquid on subsequent detection work due to the reduction of the carrying of tires is avoided.

Specifically, the clamping assembly 41 includes a bidirectional screw rod sliding table 411, two sliding blocks moving relatively are disposed on the bidirectional screw rod sliding table 411, when in use, the bidirectional screw rod sliding table 411 can drive the two sliding blocks to move towards the middle or both sides synchronously, which is the prior art, a loop bar 412 is disposed at the lower end of each sliding block, a clamping block 413 is inserted into each loop bar 412, a first inserting block 414 is disposed at the inner side of the lower end of each loop bar 412, a first inserting sleeve 415 is disposed between the two first inserting blocks 414, an installation rod 416 for connecting the first inserting sleeve 415 and the installation frame 3 is disposed between the first inserting sleeve 415 and the installation frame 3, the two first inserting blocks 414 are respectively inserted and matched with both sides of the first inserting sleeve 415, a lifting cylinder 417 is disposed at the upper end of the first inserting sleeve 415, an output end of the lifting cylinder 417 penetrates through the first inserting sleeve 415, a second inserting sleeve is disposed at an output end of the lifting cylinder 417, two the inside of grip block 413 all is equipped with the second and inserts the piece, two the second is inserted the piece and is inserted the cooperation with the both ends grafting of second plug bush respectively, two detect camera 43 and set up respectively at the lower extreme of two grip blocks 413. During operation, drive two sliders through two-way lead screw slip table 411 and drive two loop bars 412 synchronous motion, two loop bars 412 drive two grip blocks 413 synchronous motion, carry out the centre gripping or loosen the tire, can promote the second through lift cylinder 417 work and peg graft the cover and go up and down, and the second is pegged graft the cover and is driven two grip blocks 413 synchronous descent through two second and peg graft the piece, and then controls the height of tire.

Specifically, the auxiliary detection assembly 42 includes a mounting hole disposed at a lower end of one of the clamping blocks 413, a fixed block 421 is disposed in the mounting hole, a connecting ring 422 rotatably connected to the fixed block 421 is sleeved on the fixed block 421, a first clamping disc 423 fixedly connected to the connecting ring 422 is disposed on one side of the connecting ring 422, a connecting pipe is disposed on the fixed block 421 in a penetrating manner, an inflator 424 fixedly connected to the clamping block 413 is disposed above one end of the connecting pipe, the inflator 424 is communicated with the connecting pipe through a pipeline, a rotating block rotatably connected to the rotating block and a detection motor 425 for driving the rotating block to rotate are disposed at a lower end of the other clamping block 413, and a second clamping disc 426 connected to the rotating block through a bolt is disposed on an inner side of the rotating block. Wherein, first grip disk 423 and second grip disk 426 are all the detachable settings, are convenient for change the not unidimensional first grip disk 423 and second grip disk 426 with the tire of carrying out the detection to the not unidimensional tire.

Specifically, the detection assembly 61 includes a detection frame 611, a groove is provided at the upper end of the detection frame 611, a detection box 612 which is in sliding fit with the groove is provided in the groove, extension lugs 613 are provided at both sides of the detection box 612, two vertically arranged detection cylinders 614 are provided on the detection frame 611, and the output ends of the two detection cylinders 614 are respectively fixedly connected with the two extension lugs 613.

When two grip blocks 413 are close to each other, drive two grip discs and be close to each other, fix the middle part of tire for the inside formation airtight space of tire and two grip discs is aerifyd in later to airtight space through pump 424, and at this moment, the tire is in the detection liquid in detection case 612 under lift cylinder 417's work, if tire gas leakage then can the gassing.

Meanwhile, in order to avoid the air leakage area to be shielded by the tire or the detection auxiliary mechanism 4 when the tire is detected, the rotation of the detection motor 425 drives the second clamping disc 426 to rotate, and then the tire is driven to rotate, the first clamping disc 423 can also rotate along with the rotation of the connecting ring 422 and the fixing block 421 (the rotation is slow, the influence on the detection is caused by a large amount of bubbles generated in the detection liquid due to the rotation of the tire), the tire rotates to enable each part of the tire to pass through two detection cameras 43, and then the air leakage occurs wherever the tire is, and the air leakage can be detected by the two detection cameras 43, so that the accuracy of the air tightness detection of the tire is improved.

Specifically, the edges of the first clamping disk 423 and the second clamping disk 426 are provided with steps 7 for clamping the tire. The step 7 is provided to facilitate the engagement of the edges of the middle part of the tyre.

Specifically, the inboard of first grip disc 423 is equipped with a plurality of telescopic hole, every all be equipped with one end rather than grafting cooperation and telescopic link 81 in the telescopic hole, the free end of all telescopic links 81 is equipped with limiting plate 82 jointly, one side of limiting plate 82 is equipped with rather than the conflict board 83 of rotating the connection, every all the cover is equipped with spring 84 on the telescopic link 81.

During operation, when first centre gripping dish 423 and second centre gripping dish 426 centre gripping the tire, because the middle part of tire is hollow, first centre gripping dish 423 and second centre gripping dish 426 only carry out the block through marginal step 7 and tire, first centre gripping dish 423 and second centre gripping dish 426 appears excessively being close to easily, lead to the excessive deformation of tire edge and then appear the gap influence and detect, in order to avoid the emergence of above-mentioned condition, through the cooperation of keeping to touch panel 83 with the rotating block, can avoid first centre gripping dish 423 and second centre gripping dish 426 excessively being close to. In addition, the rotation of the abutting plate 83 and the limiting plate 82 can avoid the influence on the rotation of the second clamping plate 426 driving the tire during the detection.

Specifically, run through on the fixed block 421 and be equipped with a plurality of and restrict the hole, every restriction downthehole restriction pole 9 rather than screw-thread fit that all is equipped with, the one end of restriction pole 9 is equipped with the knob, the other end of restriction pole 9 extends to between fixed block 421 and the limiting plate 82.

By rotating the limiting rod 9, the contraction distance of the limiting plate 82 can be limited, and then tires of different sizes can be clamped and limited, so that the invention has wider applicability.

Specifically, the liquid supplementing assembly 62 includes a detection groove 621 disposed on the detection frame 611, a piston 622 slidably engaged with the detection groove 621 is disposed in the detection groove 621, a fixing rod 623 threadedly connected with the detection box 612 is disposed at the bottom of the detection box 612, the lower end of the fixing rod 623 is rotatably connected with the piston 622, a liquid inlet pipe 624 is communicated between the detection groove 621 and the liquid supplementing box 63, a liquid supplementing pipe 625 is disposed on the axes of the piston 622 and the fixing rod 623 in a penetrating manner, and a check valve is disposed on each of the liquid inlet pipe 624 and the liquid supplementing pipe 625. In order to avoid the situation that the tire transversely enters and exits the detection box 612 and carries a large amount of detection liquid, the invention realizes that the tire vertically enters the detection box 612 for detection through the structural design of the auxiliary detection mechanism 4, but the stroke of the tire entering the detection liquid is increased, therefore, when the lifting cylinder 417 works to push the tire to move downwards, the detection cylinder 614 also pushes the detection box 612 to move upwards, so that the speed of the tire entering the detection liquid can be increased, the detection efficiency is improved, when the detection box 612 moves upwards, the piston 622 is driven to move upwards through the fixing rod 623, the detection liquid in the liquid supplementing box 63 is pumped into the detection groove 621, after the detection is finished, the detection cylinder 614 retracts, when the tire is driven to move upwards out of the detection box 612, the detection cylinder 614 also retracts to drive the detection box 612 to retract into the detection frame 611, and simultaneously, the piston 622 is driven to move downwards through the fixing rod 623, and then will detect the extrusion of the detection liquid in the groove 621 for detect the liquid and pass through in liquid supply pipe 625 gets into detection case 612, realize the automatic liquid supply of in-process that detection case 612 withdraws, need not to stop to detect and carry out the liquid supply, improved work efficiency, in addition, this work is carried out with the decline synchronization of liquid supply case 63, can not increase the detection step. Wherein, can adjust the initial position of piston 622 in detecting groove 621 through rotating dead lever 623, and then the fluid infusion volume when control detection box 612 reciprocates at every turn, the volume of the detection liquid of carrying out when the tire that adapts to different sizes detects, more convenient detects the tire of different sizes.

Specifically, unloading mechanism 5 is including the unloading platform 51 that is the Y type, unloading platform 51 highly reduces to its two trunk ways from the trunk way of its Y type gradually, the juncture of two trunk ways of unloading platform 51 is provided with screening motor and screening board 52, screening motor dress is in unloading platform 51, the one end of screening board 52 and the output fixed connection of screening motor. The screening motor drives the screening plate 52 to rotate so as to control the opening and closing of the two branch road, and qualified tires and unqualified tires are separately fed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an air tightness detection device of tire, includes rotary mechanism (1) and sets up material loading conveyer belt (2) in rotary mechanism (1) one side, its characterized in that: the upper end of rotary mechanism (1) is equipped with mounting bracket (3), the lower extreme of mounting bracket (3) is equipped with three detection complementary unit (4) that are the circumference and distribute, every detect complementary unit (4) and all include centre gripping subassembly (41), detect complementary unit (42) and two detection camera (43), centre gripping subassembly (41) set up the edge in mounting bracket (3), detect complementary unit (42) and set up the lower extreme in centre gripping subassembly (41), two detect camera (43) and set up respectively in the both sides that detect complementary unit (42), the side of rotary mechanism (1) still is equipped with unloading mechanism (5) and detection mechanism (6), angular distribution such as material loading conveyer belt (2), unloading mechanism (5) and detection mechanism (6) is at the side of rotary mechanism (1), detection mechanism (6) include detection module (61), The liquid replenishing device comprises a liquid replenishing assembly (62) and a liquid replenishing tank (63), wherein the liquid replenishing tank (63) is arranged beside the detection assembly (61), and the liquid replenishing assembly (62) is arranged inside the detection assembly (61).

2. An air-tightness detecting device of a tyre according to claim 1, characterized in that: the clamping assembly (41) comprises a bidirectional screw rod sliding table (411), two sliding blocks which move relatively are arranged on the bidirectional screw rod sliding table (411), a sleeve rod (412) is arranged at the lower end of each sliding block, a clamping block (413) is inserted into each sleeve rod (412), a first inserting block (414) is arranged on the inner side of the lower end of each sleeve rod (412), a first inserting sleeve (415) is arranged between each two first inserting blocks (414), an installation rod (416) used for connecting the first inserting sleeve (415) and the installation frame (3) is arranged between each first inserting sleeve (415) and the installation frame, the two first inserting blocks (414) are respectively inserted and matched with two sides of the first inserting sleeve (415), a lifting cylinder (417) is arranged at the upper end of each first inserting sleeve (415), the output end of the lifting cylinder (417) penetrates through the first inserting sleeves (415), and a second inserting sleeve is arranged at the output end of the lifting cylinder (417), two the inside of grip block (413) all is equipped with the second and inserts the piece, two the second is inserted the piece and is inserted the cooperation with the both ends grafting of second plug bush respectively, two detect camera (43) and set up the lower extreme at two grip blocks (413) respectively.

3. The airtightness detection apparatus for a tire according to claim 2, wherein: detect auxiliary assembly (42) including setting up one of them the mounting hole of the lower extreme of grip block (413), be equipped with fixed block (421) in the mounting hole, the cover is equipped with rather than rotates go up fixed block (421) go up the go-between (422) and is connected, one side of go-between (422) is equipped with rather than fixed connection's first grip disc (423), it is provided with the connecting pipe to run through on fixed block (421), the one end top of connecting pipe is equipped with inflator pump (424) rather than grip block (413) fixed connection, inflator pump (424) pass through the pipeline intercommunication with the connecting pipe, another the lower extreme of grip block (413) is equipped with rather than rotates the turning block of being connected and is used for driving the rotatory detection motor (425) of turning block, the inboard of turning block is equipped with rather than second grip disc (426) through bolted connection.

4. A tyre airtightness detection apparatus according to claim 3, wherein: the edges of the first clamping disc (423) and the second clamping disc (426) are provided with steps (7) used for clamping tires.

5. A tyre airtightness detection apparatus according to claim 3, wherein: the inboard of first grip disc (423) is equipped with a plurality of telescopic hole, every all be equipped with one end rather than grafting cooperation and telescopic link (81) in the telescopic hole, the free end of all telescopic links (81) is equipped with limiting plate (82) jointly, one side of limiting plate (82) is equipped with rather than the conflict board (83) of rotating the connection, every all overlap on telescopic link (81) and be equipped with spring (84).

6. An air-tightness detecting device of a tyre according to claim 5, characterized in that: run through on fixed block (421) and be equipped with a plurality of and limit the hole, every limit downthehole restriction pole (9) rather than screw-thread fit that all is equipped with, the one end of restriction pole (9) is equipped with the knob, the other end of restriction pole (9) extends to between fixed block (421) and limiting plate (82).

7. An air-tightness detecting device of a tyre according to claim 1, characterized in that: the detection assembly (61) comprises a detection frame (611), a groove is formed in the upper end of the detection frame (611), a detection box (612) in sliding fit with the groove is arranged in the groove, extension lugs (613) are arranged on two sides of the detection box (612), two detection cylinders (614) vertically arranged are arranged on the detection frame (611), and the output ends of the detection cylinders (614) are fixedly connected with the two extension lugs (613) respectively.

8. An air-tightness detecting device of a tyre according to claim 7, characterized in that: liquid supplyes subassembly (62) including setting up detection groove (621) on detecting frame (611), be equipped with in detection groove (621) rather than sliding fit's piston (622), the bottom of detection case (612) is equipped with rather than threaded connection's dead lever (623), the lower extreme and piston (622) of dead lever (623) rotate and are connected, it has feed liquor pipe (624) to communicate between detection groove (621) and fluid infusion case (63), it is provided with fluid infusion pipe (625) to run through on the axis of piston (622) and dead lever (623), all be equipped with the check valve on feed liquor pipe (624) and the fluid infusion pipe (625).

9. An air-tightness detecting device of a tyre according to claim 1, characterized in that: unloading mechanism (5) are including unloading platform (51) that are the Y type, the trunk way of the height of unloading platform (51) from its Y type reduces to its two trunk ways gradually, the juncture of two trunk ways of unloading platform (51) is provided with screening motor and screening board (52), the dress of screening motor is in unloading platform (51), the one end of screening board (52) and the output fixed connection of screening motor.