CN216433397U - Full-automatic leak hunting machine based on automobile axle housing reinforcing ring weld detection - Google Patents

Abstract

The utility model provides a full-automatic machine that leaks hunting based on car axle housing reinforcing ring welding seam detects, includes: bottom plate, axle housing conveyer 1, mechanical grabbing device 2, air supply unit 5 and switch board 7 still include: the two-end clamping sealing device 3, the reinforcing ring part sealing detection device 4 and the detection device 6, the axle housing conveying device 1, the mechanical grabbing device 2, the clamping sealing device 3, the control cabinet 7 and the reinforcing ring part sealing detection device 4 are all fixedly arranged on the bottom plate; the mechanical grabbing device 2 is used for grabbing the axle housing from the axle housing conveying device 1 to the two-end clamping sealing devices 3, the reinforcing ring portion sealing detection device 4 comprises a reinforcing ring sealing device 41, the reinforcing ring sealing device 41 is located above the two-end clamping sealing devices 3, and the detection device 6 is connected to the reinforcing ring portion sealing detection device 4 in a sliding mode; the air source device 5 provides air source for the whole device; the control cabinet 7 is used for controlling the whole device.

Description

Full-automatic leak hunting machine based on automobile axle housing reinforcing ring welding seam detects

Technical Field

The utility model relates to a car axle housing field of making especially relates to a full-automatic machine that leaks hunting based on car axle housing reinforcing ring welding seam detects.

Background

The axle housing is one of key parts of an automobile, is complex in stress, and not only bears the weight and force of the automobile, but also bears bending moment and torque formed by dynamic load and static load of moment. Therefore, the axle housing is required to have sufficient strength, rigidity and toughness and to be able to withstand the effects of fatigue stress for a long time; once the axle housing leaks oil, the main speed reducer and the differential mechanism are lubricated badly or even oilless, which aggravates the abrasion of parts, leads to the early damage of the parts and endangers the driving safety; the main reasons for the oil leakage of the axle housing are that air holes, cracks, non-fusion and other defects exist between the reinforcing ring and the welding line; most of the existing detection machines inject colored gas or tracking gas into an axle housing, judge whether air holes exist or not by observing whether the gas overflows from a welding seam or not, or use a soap water picture to coat the welding seam, and observe whether bubbles occur or not after the gas is injected so as to judge whether the air holes exist or not; however, the existing mode basically needs manual work to complete, so that the efficiency is low and the environment is polluted;

therefore, the utility model provides a full-automatic leak detector based on the detection of the welding seam of the reinforcing ring of the automobile axle housing, which is used for detecting the welding seam of the axle housing after the axle housing and the reinforcing ring are welded, and detecting whether the axle housing and the reinforcing ring have the defects of air holes, un-fusion of a crack detector and the like; the location of the leak may be marked.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical scheme who uses is: the utility model provides a full-automatic edge leakage machine based on car axle housing reinforcing ring welding seam detects, includes: bottom plate, axle housing conveyer, mechanical grabbing device, air supply unit and switch board still include: the axle housing conveying device, the mechanical grabbing device, the tightening sealing device, the control cabinet and the reinforcing ring part sealing detection device are all fixedly arranged on the bottom plate; the mechanical grabbing device is used for grabbing the axle housing from the axle housing conveying device to the two-end clamping sealing device, the reinforcing ring sealing detection device comprises a reinforcing ring sealing device, the reinforcing ring sealing device is located above the two-end clamping sealing device, and the detection device is connected to the reinforcing ring sealing detection device in a sliding mode; the air source device provides an air source for the whole device; the control cabinet is used for controlling the whole device.

Further, the axle housing transfer device includes: the conveying mechanism is fixedly provided with an inductor; transport mechanism both sides respectively are equipped with a and impel positive device, impel positive device and include: the righting device mounting rack is fixedly mounted on the bottom plate; at least two pushing cylinders are fixedly mounted on the pushing device mounting frame, and each pushing cylinder is fixedly mounted at the output end of each pushing cylinder and faces the conveying mechanism.

Further, the mechanical gripping device comprises: the mechanical arm is fixedly arranged on the bottom plate, and the sliding frame is fixedly arranged at the movable end of the mechanical arm; a hand grip moving motor is fixedly mounted on the sliding frame, and a gear is fixedly mounted on an output shaft of the hand grip moving motor; two racks and two gripper connecting blocks are connected inside the sliding frame in a sliding manner, and each gripper connecting block is fixedly connected with one end of the corresponding rack; the gear is meshed with the two racks; and each gripper connecting block is fixedly connected with a gripper.

Further, the both-end-fastened sealing device comprises: the sealing device comprises an axle housing placing frame, wherein sealing devices and rotary supporting devices are fixedly mounted at two ends of the axle housing placing frame, and the sealing devices are connected with the rotary supporting devices in a sliding mode.

Further, the sealing device includes: the sealing device comprises at least two synchronous pushing servo electric cylinders and sealing discs; the sealing disc is connected to the rotary supporting device in a sliding mode; every the equal fixed connection of synchronous promotion servo electric jar is in on the axle housing rack, and the output with sealed dish fixed connection.

Further, a high-pressure air nozzle is arranged on the sealing disc and connected with the air source device.

Further, the rotation support device includes: the mounting device comprises a mounting cylinder and a first clamping pushing cylinder, wherein one end of the mounting cylinder is fixedly mounted on the axle housing placing frame, and the other end of the mounting cylinder is connected with a rotating motor mounting frame in a sliding manner; the first clamping pushing cylinder is fixedly installed on the axle housing placing frame, and the output end of the first clamping pushing cylinder is fixedly connected with the rotating motor installing frame; the rotating motor mounting frame is rotatably connected with an axle housing clamping device; at least one fixed mounting has the rotating electrical machines in the rotating electrical machines mounting bracket among the rotatory strutting arrangement, the rotating electrical machines output shaft with axle housing clamping device fixed connection.

Further, the axle housing clamping device includes: the clamping device mounting body is rotatably connected to the rotating motor mounting frame and is fixedly connected with the corresponding rotating motor output shaft; a second clamping pushing cylinder is fixedly arranged in the clamping device mounting body; the output end of the second clamping pushing cylinder is fixedly connected with a push plate; the interior of the tightening device mounting body is rotatably connected with at least two rotating plates, the number of the rotating plates on the tightening device mounting body is equal to that of the rotating plates, one end of each rotating plate is elastically connected with the interior of the tightening device mounting body through a corresponding spring, and the other end of each rotating plate penetrates through the clearance and extends out of the tightening device mounting body; (ii) a The push plate is movably connected with each rotating plate.

Further, the reinforced ring portion seal detection apparatus further includes: a stiffener ring seal displacement apparatus and a cushion, the stiffener ring seal displacement apparatus comprising: the mounting frame is provided with a clearance, a moving block is connected to the mounting frame in a sliding manner, a hydraulic cylinder is fixedly mounted on the moving block, the output end of the hydraulic cylinder is fixedly connected with a transverse plate, a pull rod is fixedly connected to the transverse plate, and the lower end of the pull rod penetrates through the clearance, is fixedly connected with the buffer piece and is connected with the moving block in a sliding manner; at least one moving block pushing cylinder is mounted on each of the two sides of the mounting frame, and the output end of each moving block pushing cylinder is fixedly connected with the moving block;

further, the buffer includes: the connecting plate is fixedly connected with the pull rod; the lower end of the connecting plate is fixedly connected with a sleeve, and a connecting rod is connected inside the sleeve in a sliding manner; the lower end of the connecting rod is fixedly connected with the reinforcing ring sealing device.

Further, the reinforcing ring sealing device includes: the reinforcing ring pressing plate is fixedly connected with the buffer piece; an extrusion cylinder is fixedly mounted at the upper end of the reinforcing ring pressing plate, an extrusion cylinder connecting plate is fixedly connected to the output end of the extrusion cylinder, and at least two extrusion cylinder connecting rods are fixedly connected to the extrusion cylinder connecting plate; an inner supporting shell is connected below the reinforcing ring pressing plate in a sliding mode through an elastic piece, a movable block is connected inside the inner supporting shell in a sliding mode, at least two groups of downward-inclined sliding grooves are formed in the movable block and are evenly distributed, and one end of the clamping plate is installed on each group of downward-inclined sliding grooves in a sliding and rotating mode; the other end of the clamping plate penetrates through the inner supporting shell and is connected with the inner supporting shell in a sliding and non-rotating mode; the lower end of each extrusion cylinder connecting rod is fixedly connected with the movable block, and a connecting port is arranged on the reinforcing ring pressing plate and is used for being connected with the air source device (5); and a sensor is fixedly arranged at the lower end of the reinforcing ring pressing plate.

Furthermore, a high-pressure air spray head is fixedly mounted on the reinforcing ring pressing plate and connected with the air source device.

Further, the elastic member includes: the pressing plate connecting rod is fixedly connected below the reinforcing ring pressing plate; the supporting shell connecting cylinder is fixedly connected above the inner supporting shell; the pressing plate connecting rod is connected inside the supporting shell connecting cylinder in a sliding mode and is elastically connected with the supporting shell connecting cylinder through an elastic piece spring.

Further, be equipped with the slide rail on the reinforcing ring clamp plate, detection device includes: a slider; the sliding block is connected with the sliding rail in a sliding mode, a pulley motor is fixedly mounted on the sliding block, a clearance is arranged on the sliding block, a pulley is fixedly connected to an output shaft of the pulley motor, and the pulley is tightly connected with the sliding rail through the clearance; fixedly connected with detection mounting bracket on the smooth fast, fixed mounting has air velocity transducer and two dyestuff shower nozzles on the detection mounting bracket, air velocity transducer is located between two dyestuff shower nozzles.

Because the utility model adopts the above technical scheme, the utility model has the advantages of it is following:

(1) the utility model discloses a full automation does not need the manual work to operate to promote efficiency, improved the productivity greatly.

(2) The utility model can rotate the axle housing placed on the tightening sealing device, and no matter how the axle housing is placed on the tightening sealing device, the axle housing can be rotated by the tightening sealing device, so that the reinforcing ring is positioned above the reinforcing ring; seal through sealed dish to the axle housing both ends to blow away the dust at axle housing both ends through the high pressure gas shower nozzle on sealed dish, make sealed dish can play better sealed effect.

(3) The utility model discloses a detection device detects axle housing and the welding seam department of reinforcing ring, detects whether it leaks gas, if leak gas, fuel nozzle blowout fuel marks, shows that it is complete not to weld between the mark, needs the repair welding.

(4) The utility model discloses a sealed mobile device of reinforcing ring for reinforcing ring sealing device can reciprocate, can not cause the interference to the installation and the uninstallation of axle housing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

Fig. 3 is another angle diagram of the overall structure of the present invention.

Figure 4 is the utility model discloses overall structure axle housing conveyer schematic structure. A

Fig. 5 is a schematic structural diagram of a portion a in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the whole structure of the correcting device of the present invention.

Fig. 7 is the overall structure schematic diagram of the mechanical gripping device of the present invention.

Fig. 8 is a schematic view of the internal structure of the mechanical gripping device of the present invention.

Fig. 9 is the overall structure schematic diagram of the two-end clamping and sealing device of the present invention.

Fig. 10 is another schematic view of the overall structure of the two-end clamping device of the present invention.

Fig. 11 is a schematic view of the sealing device of the present invention.

Fig. 12 is a schematic sectional view of the rotary support mechanism of the present invention.

Fig. 13 is the utility model discloses axle housing clamping device overall structure schematic diagram.

Fig. 14 is a schematic view of the overall structure of the sealing detection device of the reinforced ring part of the present invention.

Fig. 15 is a schematic view of the position relationship of the buffer member of the present invention.

Fig. 16 is a schematic structural view of the reinforcing ring sealing and moving device of the present invention.

Fig. 17 is a schematic cross-sectional view of the buffer of the present invention.

Fig. 18 is a schematic view of the overall structure of the reinforcing ring sealing device of the present invention.

Fig. 19 is a schematic cross-sectional view of the reinforcing ring sealing device of the present invention.

Fig. 20 is an enlarged schematic view of the structure at B in fig. 19 according to the present invention.

Fig. 21 is a schematic structural view of the position D in fig. 19 according to the present invention.

Fig. 22 is a schematic view of the connection between the clip board and the inner supporting shell according to the present invention.

Fig. 23 is a schematic view of the connection relationship between the movable block and the clamping plate of the present invention.

Fig. 24 is a schematic view of the overall structure of the detecting device of the present invention.

Fig. 25 is another schematic view of the overall structure of the detecting device of the present invention.

Reference numerals: 1-axle housing transfer means; 2-a mechanical gripping device; 3-clamping the sealing device at two ends; 4-a bead section seal detection device; 5-a gas source device; 6-a detection device; 7-a control cabinet; 8-a sensor; 11-a transport mechanism; 12-an inductor; 13-a straightening device; 131-a thrust device mounting; 132-a thrust cylinder; 21-a robotic arm; 22-a carriage; 23-gripping the hand; 24-a moving motor; 25-a gear; 26-a rack; 27-connecting blocks; 31-axle housing placing rack; 32-a rotation support mechanism; 33-sealing means; 331-sealing disc; 332-synchronously pushing servo electric cylinders; 321-mounting the barrel; 322-a first clamping pushing cylinder; 323-rotating electrical machine mounting; 324-a rotating electrical machine; 325-axle housing clamping means; 3251-second clamp push cylinder; 3252-push plate; 3253-rotating plate; 3252-spring; 41-reinforcing ring sealing device; 42-a reinforcement ring seal displacement device; 43-a buffer; 421-a mounting frame; 422-moving block; 423-moving block pushing cylinder; 424-hydraulic cylinder; 425-a transverse plate; 426-a pull rod; 431-connecting plate; 432-a sleeve; 433-a connecting rod; 411-reinforcing ring pressing plate; 412-squeeze cylinders; 413-squeeze cylinder connecting rod; 414-extruding the cylinder connection plate; 415-an elastic member; 416-an inner support shell; 417 — active block; 418-card board; 4151-platen connecting rod; 4152-a resilient member spring; 4153-a support housing connection cartridge; 61-a slide block; 62-a pulley motor; 63-a pulley; 64-a mounting frame; 65-a wind speed sensor; 66-dye sprayer.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the terms refer must have a specific direction, be constructed and operated in a specific direction, and thus, should not be interpreted as limiting the present invention.

In an embodiment, as shown in fig. 1 to 3, a full-automatic edge leakage machine based on weld detection of an automotive axle housing reinforcing ring comprises: bottom plate, axle housing conveyer 1, mechanical grabbing device 2, air supply unit 5 and switch board 7 still include: the two-end clamping sealing device 3, the reinforcing ring part sealing detection device 4 and the detection device 6, the axle housing conveying device 1, the mechanical grabbing device 2, the clamping sealing device 3, the control cabinet 7 and the reinforcing ring part sealing detection device 4 are all fixedly arranged on the bottom plate; the mechanical grabbing device 2 is used for grabbing the axle housing from the axle housing conveying device 1 to the two-end clamping sealing devices 3, the reinforcing ring portion sealing detection device 4 comprises a reinforcing ring sealing device 41, the reinforcing ring sealing device 41 is located above the two-end clamping sealing devices 3, and the detection device 6 is connected to the reinforcing ring portion sealing detection device 4 in a sliding mode; the air source device 5 provides air source for the whole device; the control cabinet 7 is used for controlling the whole device; when the axle housing conveying device works, the axle housing is conveyed in the axle housing conveying device 1, the mechanical grabbing device 2 grabs the axle housing from the axle housing conveying device 1 to the two-end clamping sealing devices 3, the two-end clamping sealing devices 3 adjust and clamp the axle housing, and openings at two ends of the axle housing are blocked; then, the axle housing reinforcing ring is sealed by a reinforcing ring part sealing detection device 4, the air source device 5 is used for inflating the interior of the axle housing, and the detection device 6 is used for detecting whether air leakage exists at the welding seam; the above processes are all controlled by the control cabinet 7.

Specifically, as shown in fig. 4 to 6, the axle case transfer device 1 includes: the conveying mechanism 11, the inductor 12 is fixedly arranged on the conveying mechanism 11; transport mechanism 11 both sides respectively are equipped with one and push forward device 13, and it includes to push forward device 13: the righting device mounting rack 131, the righting device mounting rack 131 is fixedly mounted on the bottom plate; two straightening cylinders 132 are fixedly mounted on the straightening device mounting frame 131, and a push plate is fixedly mounted at the output end of each straightening cylinder 132 and faces the conveying mechanism 11; when the sensor 12 senses an axle housing, the transfer mechanism 11 stops and the centering cylinder 132 is actuated to center the axle housing parallel to the carriage 22 to facilitate gripping of the axle housing by the gripper 23.

Specifically, as shown in fig. 7 to 8, the mechanical grasping apparatus 2 includes: the mechanical arm 21 is fixedly arranged on the bottom plate, and the sliding frame 22 is fixedly arranged at the movable end of the mechanical arm 21; a hand grip moving motor 24 is fixedly arranged on the sliding frame 22, and a gear 25 is fixedly arranged on an output shaft of the hand grip moving motor 24; two racks 26 and two gripper connecting blocks 27 are connected in the sliding frame 22 in a sliding manner, and each gripper connecting block 27 is fixedly connected with one end of the corresponding rack 26; the gear 25 is meshed with two racks 26; each gripper connecting block 27 is fixedly connected with a gripper 23; the gripper 23 grips the axle housings, and the gripper 23 slides on the sliding frame 22 through the operation of the gripper moving motor 24, so that the axle housings with different lengths can be adapted.

Specifically, as shown in fig. 9 to 10, the both-end-fastened sealing apparatus 3 includes: the axle housing comprises an axle housing placing frame 31, wherein a sealing device 33 and a rotary supporting device 32 are fixedly arranged at two ends of the axle housing placing frame 31, and the sealing device 33 is connected with the rotary supporting device 32 in a sliding manner; the axle housing placing frame 31 is used for placing an axle housing, the rotary supporting device 32 is used for rotating the axle housing, and the sealing device 33 is used for sealing two ends of the axle housing; be equipped with the pulley on the axle housing rack 31, the axle housing of being convenient for rotates.

Specifically, as shown in fig. 11, the sealing device 33 includes: three synchronous pushing servo electric cylinders 332 and three sealing discs 331, wherein the number of the synchronous pushing servo electric cylinders 332 is three; the sealing disc 331 is slidably connected to the rotary support means 32; each synchronous pushing servo electric cylinder 332 is fixedly connected to the axle housing placing frame 31, and the output end of the synchronous pushing servo electric cylinder is fixedly connected with the sealing disc 331; the synchronous pushing servo cylinder 332 pushes the sealing disc 331 to enable the sealing disc 311 to tightly press the two ends of the axle housing, so that the two ends of the axle housing are sealed.

Specifically, as shown in fig. 11, a high-pressure air nozzle is arranged on the sealing disc 331, and the high-pressure air nozzle is connected with the air source device 5; before sealed dish 331 seals the axle housing both ends, the high-pressure gas nozzle blowout is gaseous, cleans axle housing both ends, blows away the dust for sealed dish 331 is better to the sealed effect at axle housing both ends.

Specifically, as shown in fig. 12, the rotation support device 32 includes: the mounting device comprises a mounting cylinder 321 and a first clamping pushing cylinder 322, wherein one end of the mounting cylinder 321 is fixedly mounted on the axle housing placing frame 31, and the other end of the mounting cylinder 321 is connected with a rotating motor mounting frame 323 in a sliding manner; the first clamping pushing cylinder 322 is fixedly installed on the axle housing placing frame 31, and the output end of the first clamping pushing cylinder is fixedly connected with the rotating motor installing frame 323; an axle housing clamping device 325 is rotatably connected to the rotating motor mounting frame 323; a rotating motor 324 is fixedly arranged in a rotating motor mounting frame 323 in one of the rotary supporting devices 32, and an output shaft of the rotating motor 324 is fixedly connected with an axle housing clamping device 325; the first tightening pushing cylinder 322 is an electric cylinder; first clamp pushes away cylinder 322 and promotes rotating-machine mounting bracket 323 for inside axle housing clamping device 325 got into the axle housing, clamped the axle housing at axle housing clamping device 325 back, and rotating-machine 324 starts, rotates the axle housing, makes its reinforcing ring department upwards.

Specifically, as shown in fig. 13, the axle housing clamping device 325 includes: the clamping device mounting body is rotatably connected to the rotating motor mounting frame 323 and is fixedly connected with the corresponding output shaft of the rotating motor 324; a second clamping pushing cylinder 3251 is fixedly arranged in the clamping device mounting body; the output end of the second clamping pushing cylinder 3251 is fixedly connected with a push plate 3252; the inner part of the clamping device installation body is rotatably connected with four rotating plates 3253, the clamping device installation body is provided with clearance equal to the rotating plates 3253 in number, one end of each rotating plate 3253 is elastically connected with the inner part of the clamping device installation body through a corresponding spring 3254, and the other end of each rotating plate 3253 penetrates through the clearance and extends out of the clamping device installation body; the push plate 3252 is movably connected with each rotary plate 3253; the second clamping pushing cylinder 3251 is a cylinder; the second clamping and pushing cylinder 3251 is actuated to push the push plate 3252 to make the rotating plate 3253 extend out of the clamping device installation body through clearance on the clamping device installation body, and the axle housing is clamped from the inside of the axle housing, so that the axle housing can rotate when the axle housing is rotated.

Specifically, as shown in fig. 14 to 16, the reinforced ring portion seal detection apparatus 4 further includes: a reinforcing ring seal moving device 42 and a buffer 43, the reinforcing ring seal moving device 42 comprising: the mounting frame 421 is provided with a clearance, the mounting frame 421 is connected with a moving block 422 in a sliding manner, the moving block 422 is fixedly provided with a hydraulic cylinder 424, the output end of the hydraulic cylinder 424 is fixedly connected with a transverse plate 425, the transverse plate 425 is fixedly connected with a pull rod 426, and the lower end of the pull rod 426 penetrates through the clearance to be fixedly connected with the buffer 43 and is connected with the moving block 422 in a sliding manner; two moving block pushing cylinders 423 are respectively installed on two sides of the mounting frame 421, and the output end of each moving block pushing cylinder 423 is fixedly connected with a moving block 422; the reinforcing ring sealing device 41 can move up and down by the operation of the hydraulic cylinder 424; the reinforcing ring sealing device 41 can move left and right by pushing the air cylinders 423 through the moving blocks on the two sides, and is aligned with the axle housing reinforcing ring.

Specifically, as shown in fig. 17, the buffer member includes: the connecting plate 431 is fixedly connected with the pull rod 426; the lower end of the connecting plate 431 is fixedly connected with a sleeve 432, and a connecting rod 433 is connected in the sleeve 432 in a sliding manner; the lower end of the connecting rod 433 is fixedly connected with the reinforcing ring sealing device 41; because reinforcing ring sealing device 41 is when pressing from both sides tight axle housing, reinforcing ring clamp plate 411 can move down, so provide the displacement distance for reinforcing ring clamp plate 411 through the bolster, avoid making reinforcing ring clamp plate 411 can't compress tightly the reinforcing ring owing to the existence of pneumatic cylinder 424.

Specifically, as shown in fig. 18 to 19 and 21 to 23, the reinforcing ring sealing device 41 includes: the reinforcing ring pressing plate 411 is fixedly connected with the buffer 43; the upper end of the reinforcing ring pressing plate 411 is fixedly provided with an extrusion cylinder 412, the output end of the extrusion cylinder 412 is fixedly connected with an extrusion cylinder connecting plate 414, and at least two extrusion cylinder connecting rods 413 are fixedly connected to the extrusion cylinder connecting plate 414; an inner supporting shell 416 is connected below the reinforcing ring pressing plate 411 in a sliding mode through an elastic piece 415, a movable block 417 is connected inside the inner supporting shell 416 in a sliding mode, four groups of downward-inclined sliding grooves are formed in the movable block 417 and are evenly distributed, and one end of the clamping plate 418 is installed on each group of downward-inclined sliding grooves in a sliding and rotating mode; the other end of the snap-gauge 418 passes through the inner support shell 416 and is in sliding non-rotating connection therewith; the lower end of each extrusion cylinder connecting rod 413 is fixedly connected with a movable block 417; a connecting port is arranged on the reinforcing ring pressing plate 411 and is used for being connected with an air source device 5; the sensor 8 is fixedly arranged at the lower end of the reinforcing ring pressing plate 411; when sensor 8 senses reinforcing ring clamp plate 411 and the contact of reinforcing ring, extrusion cylinder 412 starts, make movable block 417 upward movement through extrusion cylinder connecting rod 413, downward sloping spout through being equipped with on the movable block 417, make cardboard 418 remove, simultaneously because cardboard 418 slides and do not have the rotation with inside support shell 416, make cardboard 418 can only carry out the horizontal motion, along with the continuous upward movement of extrusion cylinder 412, cardboard 418 supports the axle housing inner wall, because extrusion cylinder 412 fixed mounting is on reinforcing ring clamp plate 411, reinforcing ring clamp plate 411 can compress tightly the reinforcing ring downwards, seal the axle housing reinforcing ring.

Specifically, as shown in fig. 18, a high-pressure air nozzle is fixedly mounted on the reinforcing ring pressing plate 411, and the high-pressure air nozzle is connected with the air source device 5; before reinforcing ring clamp plate 411 compresses tightly the axle housing reinforcing ring, clean on the axle housing reinforcing ring through the high-pressure air shower nozzle, blow away the dust on it for reinforcing ring clamp plate 411 reaches better sealed effect.

Specifically, as shown in fig. 20, the elastic member includes: a pressure plate connecting rod 4151 and a support shell connecting cylinder 4153, wherein the pressure plate connecting rod 4151 is fixedly connected below the reinforcing ring pressure plate 411; the support housing attachment tube 4153 is fixedly attached above the inner support housing 416; the pressure plate connecting rod 4151 is slidably connected inside the support case connecting cylinder 4153, and the pressure plate connecting rod 4151 is elastically connected with the support case connecting cylinder 4153 through an elastic member spring 4152; the spring 4152 has a deformation force greater than the friction between the catch plate 418 and the movable block 417 to ensure that the catch plate 418 is extended first when clamping the axle housing reinforcement ring.

Specifically, as shown in fig. 18 and 24-25, the reinforcing ring pressing plate 411 is provided with a slide rail, and the detecting device 6 includes: a slider 61; the sliding block 61 is connected with the sliding rail in a sliding mode, the pulley motor 62 is fixedly mounted on the sliding block 61, a clearance is arranged on the sliding block 61, the pulley 63 is fixedly connected to the output shaft of the pulley motor 62, and the pulley 63 is tightly connected with the sliding rail through the clearance; the sliding block 61 is fixedly connected with a detection mounting frame 64, an air speed sensor 65 and two dye spray nozzles 66 are fixedly mounted on the detection mounting frame 64, and the air speed sensor 65 is positioned between the two dye spray nozzles 66; the detection device 6 drives the pulley 63 to rotate through the pulley motor 62, so that the detection device 6 can move on the reinforcing ring pressing plate 411, and when the air velocity sensor 65 detects that air flow exists at the welding seam, the dye spray head 66 sprays dye for marking.

The working principle is as follows: the axle housing is placed on the conveying mechanism 11, the axle housing is conveyed by the conveying mechanism 11, when the sensor 12 senses the axle housing, the conveying mechanism 11 stops moving, the straightening device 13 is started, and the axle housing is straightened by the straightening cylinders 132 arranged on the straightening devices 13 at two sides, so that the axle housing is parallel to the sliding frame 22; then, the gripper moving motor 24 is started to adjust the distance between the two grippers 23, the axle housings are matched, and the axle housings are gripped to the axle housing placing frame 31 from the conveying mechanism 11 through the mechanical gripping device 2; then the clamping and pushing electric cylinder 322 is started, the axle housing clamping device 325 is pushed into the axle housing, the clamping and pushing cylinder 3251 is started to push the rotating plate 3253 out, so that the rotating plate 3253 clamps the axle housing from the inside of the axle housing, then the axle housing is rotated through the rotating motor 324, the axle housing reinforcing ring faces upwards, then the servo electric cylinder 332 is started and synchronously pushed, so that the sealing plate 331 is pressed against two ends of the axle housing, and two ends of the axle housing are sealed; before the sealing disc 331 seals the two ends of the axle housing, the high-pressure air nozzle on the sealing disc 331 is used for blowing off dust at the two ends of the axle housing, so that the sealing disc 331 achieves a better sealing effect; after the operation of the sealing device 3 is tightened at the two ends is finished, the reinforcing ring sealing moving device 42 is started, the air cylinder 423 is pushed by the hydraulic cylinder 424 and the moving block to enable the reinforcing ring sealing device 41 to fall onto the axle housing reinforcing ring, and the buffer component 43 can provide a displacement distance for the reinforcing ring pressing plate 411 to prevent the reinforcing ring pressing plate 411 from being incapable of pressing the axle housing reinforcing ring due to the existence of the hydraulic cylinder 424; when the sensor on the reinforcing ring pressing plate 411 senses that the reinforcing ring pressing plate 411 is in contact with the reinforcing ring, the extrusion cylinder 412 is started to enable the movable block 417 to slide in the inner supporting shell 416, the clamping plate 418 is expanded to enable the clamping plate 418 to abut against the interior of the axle housing, then along with the continuous work of the extrusion cylinder 412, the elastic piece 415 is compressed, and the reinforcing ring pressing plate 411 compresses the reinforcing ring to seal the reinforcing ring; then starting the air source device 5 to inject air into the axle housing through a connecting port on the reinforcing ring pressing plate 411; the detection device 6 slides on a slide rail arranged on the reinforcing ring pressing plate 411, and detects whether air leaks from the welding seam through the air velocity sensor 65, if the air velocity sensor 65 detects air leakage, the two dye spray nozzles 66 spray dye to mark, and the air holes exist between the two marks.

Claims (10)

1. The utility model provides a full-automatic machine that leaks hunting based on car axle housing reinforcing ring welding seam detects, includes: bottom plate, axle housing conveyer (1), mechanical grabbing device (2), air supply unit (5) and switch board (7), its characterized in that still includes: the axle housing conveying device (1), the mechanical grabbing device (2), the clamping sealing device (3), the control cabinet (7) and the reinforcing ring part sealing detection device (4) are fixedly arranged on the bottom plate; the mechanical grabbing device (2) is used for grabbing the axle housing from the axle housing conveying device (1) to the two-end clamping sealing device (3), the reinforcing ring sealing detection device (4) comprises a reinforcing ring sealing device (41), the reinforcing ring sealing device (41) is located above the two-end clamping sealing device (3), and the detection device (6) is connected to the reinforcing ring sealing detection device (4) in a sliding mode; the air source device (5) provides an air source for the whole device; the control cabinet (7) is used for controlling the whole device.

2. The full-automatic leak detector based on automobile axle housing reinforcing ring weld detection according to claim 1, characterized in that axle housing conveyer (1) includes: the conveying mechanism (11), wherein an inductor (12) is fixedly arranged on the conveying mechanism (11); transport mechanism (11) both sides respectively are equipped with one and impel positive device (13), it includes to impel positive device (13): a righting device mounting bracket (131), the righting device mounting bracket (131) being fixedly mounted on the base plate; it has two to push away positive cylinders (132), every to push away at least fixed mounting on positive device mounting bracket (131) the equal fixed mounting of output that pushes away positive cylinder (132) has the push pedal, and towards transport mechanism (11).

3. The full-automatic leak detector based on weld detection of the reinforcing ring of the automobile axle housing is characterized in that the mechanical grabbing device (2) comprises: the mechanical arm (21), the mechanical arm (21) is fixedly arranged on the bottom plate, and a sliding frame (22) is fixedly arranged at the movable end of the mechanical arm (21); a hand grip moving motor (24) is fixedly arranged on the sliding frame (22), and a gear (25) is fixedly arranged on an output shaft of the hand grip moving motor (24); two racks (26) and two hand grip connecting blocks (27) are connected in the sliding frame (22) in a sliding manner, and each hand grip connecting block (27) is fixedly connected with one end of the corresponding rack (26); the gear (25) is meshed with the two racks (26); and each gripper connecting block (27) is fixedly connected with a gripper (23).

4. The full-automatic leak hunting machine based on automobile axle housing reinforcing ring welding seam detects of claim 1, characterized in that, both ends step up sealing device (3) and include: axle housing rack (31), the equal fixed mounting in axle housing rack (31) both ends has sealing device (33) and rotation support device (32), sealing device (33) with rotation support device (32) sliding connection.

5. The full-automatic leak detector based on weld detection of the reinforcing ring of the automobile axle housing is characterized in that the sealing device (33) comprises: the sealing disc sealing device comprises synchronous pushing servo electric cylinders (332) and sealing discs (331), wherein at least two synchronous pushing servo electric cylinders (332) are arranged; the sealing disc (331) is slidably connected to the rotary supporting device (32); every equal fixed connection of synchronous promotion servo electric jar (332) is in on axle housing rack (31), and the output with sealed dish (331) fixed connection.

6. The full-automatic leak detector based on weld detection of the automotive axle housing reinforcing ring according to claim 4, wherein the rotary supporting device (32) comprises: the mounting device comprises a mounting cylinder (321) and a first clamping pushing cylinder (322), wherein one end of the mounting cylinder (321) is fixedly mounted on the axle housing placing frame (31), and the other end of the mounting cylinder is connected with a rotating motor mounting frame (323) in a sliding mode; the first clamping pushing cylinder (322) is fixedly mounted on the axle housing placing frame (31), and the output end of the first clamping pushing cylinder is fixedly connected with the rotating motor mounting frame (323); an axle housing clamping device (325) is rotatably connected to the rotating motor mounting frame (323); at least one rotating motor (324) is fixedly installed in a rotating motor installation frame (323) in the rotating support device (32), and an output shaft of the rotating motor (324) is fixedly connected with the axle housing clamping device (325).

7. The full-automatic leak detector based on automobile axle housing reinforcing ring weld detection of claim 6, characterized in that, axle housing step-up device (325) includes: the clamping device mounting body is rotatably connected to the rotating motor mounting frame (323) and fixedly connected with the corresponding output shaft of the rotating motor (324); a second clamping pushing cylinder (3251) is fixedly arranged in the clamping device mounting body; the output end of the second clamping pushing cylinder (3251) is fixedly connected with a pushing plate (3252); the interior of the clamping device mounting body is rotatably connected with at least two rotating plates (3253), the clamping device mounting body is provided with clearance equal to the number of the rotating plates (3253), one end of each rotating plate (3253) is elastically connected with the interior of the clamping device mounting body through a corresponding spring (3254), and the other end of each rotating plate penetrates through the clearance and extends out of the clamping device mounting body; the push plate (3252) is movably connected with each rotary plate (3253).

8. The full-automatic leak detector based on weld detection of the reinforcing ring of the automobile axle housing according to claim 1, wherein the sealing detection device (4) of the reinforcing ring part further comprises: a bead seal moving device (42) and a cushion (43), the bead seal moving device (42) comprising: the buffer device comprises a mounting frame (421), wherein a clearance is arranged on the mounting frame (421), a moving block (422) is connected onto the mounting frame (421) in a sliding manner, a hydraulic cylinder (424) is fixedly mounted on the moving block (422), a transverse plate (425) is fixedly connected to the output end of the hydraulic cylinder (424), a pull rod (426) is fixedly connected onto the transverse plate (425), and the lower end of the pull rod (426) penetrates through the clearance to be fixedly connected with the buffer member (43) and is connected with the moving block (422) in a sliding manner; at least one moving block pushing cylinder (423) is mounted on each of two sides of the mounting frame (421), and an output end of each moving block pushing cylinder (423) is fixedly connected with the moving block (422).

9. The full-automatic leak detector based on weld detection of the reinforcing ring of the automobile axle housing is characterized in that the reinforcing ring sealing device (41) comprises: the reinforcing ring pressing plate (411), the reinforcing ring pressing plate (411) is fixedly connected with the buffer piece (43); an extrusion cylinder (412) is fixedly installed at the upper end of the reinforcing ring pressing plate (411), an extrusion cylinder connecting plate (414) is fixedly connected to the output end of the extrusion cylinder (412), and at least two extrusion cylinder connecting rods (413) are fixedly connected to the extrusion cylinder connecting plate (414); an inner supporting shell (416) is connected below the reinforcing ring pressing plate (411) in a sliding mode through an elastic piece (415), a movable block (417) is connected inside the inner supporting shell (416) in a sliding mode, at least two groups of downward-inclined sliding grooves are formed in the movable block (417) and are uniformly distributed, and one end of a clamping plate (418) is installed on each group of sliding grooves in a sliding and rotating mode; the other end of the clamping plate (418) penetrates through the inner supporting shell (416) and is connected with the inner supporting shell in a sliding and non-rotating mode; the lower end of each extrusion cylinder connecting rod (413) is fixedly connected with the movable block (417); a connector is arranged on the reinforcing ring pressing plate (411) and is used for being connected with an air source device (5); and a sensor (8) is fixedly arranged at the lower end of the reinforcing ring pressing plate (411).

10. The full-automatic leak detector based on automobile axle housing reinforcing ring weld detects according to claim 9, characterized in that, be equipped with the slide rail on reinforcing ring clamp plate (411), detection device (6) includes: a slider (61); the sliding block (61) is connected to the sliding rail in a sliding mode, a pulley motor (62) is fixedly mounted on the sliding block (61), a clearance is arranged on the sliding block (61), a pulley (63) is fixedly connected to an output shaft of the pulley motor (62), and the pulley (63) is tightly connected with the sliding rail through the clearance; fixedly connected with detects mounting bracket (64) on slider (61), fixed mounting has air velocity transducer (65) and two dyestuff shower nozzles (66) on detecting mounting bracket (64), air velocity transducer (65) are located between two dyestuff shower nozzles (66).

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