CN114392929B - Hydraulic pipe joint external thread detection device - Google Patents

Abstract

The application relates to a hydraulic pipe joint external thread detection device belongs to hydraulic pipe joint technical field. It is including examining test table and setting up the material loading subassembly in examining test table, conveyor components, go up determine module, determine module and unloading subassembly down, conveyor components is including examining test table and the rotatory transport driving piece of drive test table, is equipped with the installation position that supplies the stable arrangement of hydraulic pipe joint on the test table, and hydraulic pipe joint one end is located and examines test table top, and the other end is located and examines test table below, and material loading subassembly, last determine module, lower determine module and unloading subassembly all set up by examining test table. This application has the higher effect of screw thread detection efficiency of hydraulic pressure coupling.

Description

Hydraulic pipe joint external thread detection device

Technical Field

The application relates to the field of hydraulic pipe joints, in particular to a hydraulic pipe joint external thread detection device.

Background

The hydraulic pipe joint is a hydraulic system which connects different hydraulic components (a pump, a conveying pipeline, a reversing valve, a stop valve, a hydraulic motor, a hydraulic cylinder and other auxiliary components such as a liquid level meter, a thermometer, a pressure gauge and the like) to form a closed loop, is a connecting part and is widely applied to machinery with a hydraulic system, such as an automobile and the like.

Common hydraulic pressure coupling all is equipped with the external screw thread at both ends usually, hydraulic pressure coupling middle part is the hexagonal portion of regular hexagonal prism form, a rotation for operating hydraulic pressure coupling, hydraulic pressure coupling's both ends respectively with two hydraulic component threaded connection, hydraulic pressure coupling comes the back at the output, the detection of leading to rule and no-go gage is carried out to the external screw thread at hydraulic pressure coupling both ends usually, common detection mode is that artifical handheld instrument detects the screw thread at hydraulic pressure coupling both ends, in order to raise the efficiency, also there is screw thread check out test set now to carry out the detection of external screw thread, current check out test set is usually by conveying mechanism, fixture and detection mechanism constitute, conveying mechanism sends fixture department to the component, fixture places the component centre gripping and sends corresponding base to, then detect the component through detection mechanism.

Because hydraulic pressure coupling both ends all need carry out the external screw thread and detect, current screw thread check out test set can not be fine carry out the screw thread to hydraulic pressure coupling and detect.

Disclosure of Invention

In order to improve the efficiency that hydraulic pressure coupling screw thread detected, this application provides a hydraulic pressure coupling external screw thread detection device.

The application provides a hydraulic pipe joint external screw thread detection device adopts following technical scheme:

the external thread detection device for the hydraulic pipe joint comprises a detection table, and a feeding assembly, a conveying assembly, an upper detection assembly, a lower detection assembly and a discharging assembly which are arranged on the detection table, wherein the conveying assembly comprises a detection disc and a conveying driving piece for driving the detection disc to rotate, an installation position for stably arranging the hydraulic pipe joint is arranged on the detection disc, one end of the hydraulic pipe joint is positioned above the detection disc, the other end of the hydraulic pipe joint is positioned below the detection disc, and the feeding assembly, the upper detection assembly, the lower detection assembly and the discharging assembly are all arranged beside the detection disc;

the upper detection assembly comprises an upper go gauge detection assembly and an upper go gauge detection assembly, the upper go gauge detection assembly comprises a go gauge, an upper go gauge driving piece for driving the go gauge to be close to or far away from the detection disc and to rotate, and the upper go gauge detection assembly comprises a no-go gauge, a lower go gauge driving piece for driving the no-go gauge to be close to or far away from the detection disc and to rotate;

lower determine module is including leading to rule determine module and lower no-go rule determine module down, lead to rule determine module down and lead to the rule including leading to rule and drive and lead to the rule and be close to or keep away from the lower rule driving piece that detects dish and rotation, no-go rule determine module includes that no-go rule and drive no-go rule are close to or keep away from the lower no-go rule driving piece that detects dish and rotation down.

By adopting the technical scheme, the hydraulic pipe joint is conveyed to the corresponding mounting position on the detection disc through the feeding assembly to be arranged, the detection disc is driven to move in a clearance way through the conveying driving piece, the hydraulic pipe joint rotates along with the detection disc and stops at the upper detection assembly and the lower detection assembly, the go gauge and the no-go gauge of the thread at one end of the hydraulic pipe joint are detected through the upper detection assembly, the go gauge and the no-go gauge of the thread at the other end of the hydraulic pipe joint are detected through the lower detection assembly, the detection of the threads at two ends of the hydraulic pipe joint are realized, the hydraulic pipe joint is placed at one time, the continuity is completely detected, after the detection of the hydraulic pipe joint is finished, the hydraulic pipe joint is taken down according to the detection result and is respectively placed into the areas of qualified products and unqualified products, the detection of the hydraulic pipe joint is finished, the detection efficiency is higher, when the detection of a certain process is unqualified, the numerical control computer can be used for controlling, and subsequent detection is not directly carried out any more, indirectly improve the efficiency and reduce the energy consumption.

Optionally, every the installation position supplies two hydraulic pressure coupling to settle, the material loading subassembly includes the conveyer belt, two three-jaw chucks that set up side by side and the material loading drive assembly that the drive three-jaw chuck was horizontal and vertical motion, be equipped with the conveying slide of two adaptation hydraulic pressure coupling on the conveyer belt.

Through adopting above-mentioned technical scheme, carry two hydraulic pressure coupling simultaneously through two transport slides on the conveyer belt, two three-jaw chucks send two hydraulic pressure coupling into the detection dish simultaneously, detect two hydraulic pressure coupling simultaneously on every process, because the hydraulic pressure coupling that detects simultaneously is more, it is big more to detect the dish size, corresponding requirement to the material loading subassembly is higher, the mode that two hydraulic pressure coupling detected simultaneously, under the lower condition of equipment size and complexity, detection efficiency has been improved as far as.

Optionally, a section forming assembly is arranged on the conveyor belt, the section forming assembly comprises a section forming mounting frame, a middle partition block and side partition blocks, the number of the side separating blocks is two, the two side separating blocks are respectively arranged at two sides of the middle separating block, the side partition blocks and the middle partition blocks are arranged on the zone forming mounting rack, the conveying slide way is formed between the side partition blocks and the middle partition blocks, the feeding driving component comprises a feeding driving mounting frame, a horizontal pushing platform, a horizontal pushing cylinder and a vertical pushing cylinder, the vertical pushing cylinder is installed on the feeding driving installation frame, the horizontal pushing platform is installed on a piston rod of the vertical pushing cylinder, and the three-jaw chuck is installed on the horizontal pushing platform in a sliding mode through a sliding block and driven by the horizontal pushing cylinder to horizontally slide.

By adopting the technical scheme, through the cooperation of the middle separation block and the side separation block, a conveying slide way for the hydraulic pipe joint to pass through is formed, the hexagonal part in the middle of the hydraulic pipe joint is limited through the side separation block and the middle separation block, the state of the hydraulic pipe joint moving on the conveying belt is kept, the detection disc is conveniently placed in the back three-jaw chuck clamping hydraulic pipe joint, the partition mounting frame is used for installing the side separation block and the middle separation block, the side separation block and the middle separation block cannot influence the operation of the conveying belt, the horizontal pushing platform is driven to move up and down through the vertical pushing cylinder, the three-jaw chuck on the horizontal pushing platform is driven to move up and down, the horizontal pushing cylinder drives the three-jaw chuck to move horizontally, each part of the whole feeding mechanism is clearly divided into work, and the feeding work of the hydraulic pipe joint is better completed.

Optionally, lead to rule determine module still includes down and leads to rule butt joint piece and drive go up to lead to rule butt joint piece court go up that the detection dish direction removed lead to rule butt cylinder, no-go rule determine module still includes down and goes up rule butt joint piece and drive go up rule butt joint piece court go up that the detection dish direction removed lead to rule butt cylinder.

Through adopting above-mentioned technical scheme, through last expert rule butt piece butt hydraulic pressure coupling for equipment is detecting the screw thread of hydraulic pressure coupling lower extreme, and the settling that keeps hydraulic pressure coupling that can be better is stable, is convenient for detect.

Optionally, the automatic feeding device further comprises a photographing detection assembly, wherein the photographing detection assembly comprises an industrial camera and a numerical control computer for receiving signals of the industrial camera, and the photographing detection assembly is located in the next process of the feeding assembly.

Through adopting above-mentioned technical scheme, whether the screw thread through the detection subassembly of shooing preliminary detection hydraulic pressure coupling one end satisfies the requirement to and whether hydraulic pressure coupling settles on detecting the dish accurately, if unsatisfied requirement or the position is laid the mistake, then through numerical control computer controlgear, do not carrying out subsequent detection, directly judge for nonconforming, and according to the circumstances different, send different alarms, whether need detect again with the judgement, thereby further improve detection efficiency.

Optionally, the upper go gauge driving piece comprises an upper mounting seat, an upper driving cylinder, an upper sliding block, an upper motor, an upper resetting butt rod and an upper reset spring sleeved on the upper resetting butt rod, the upper mounting seat is arranged beside the detection disc, the upper sliding block is slidably arranged on the upper mounting seat, the upper driving cylinder is arranged on the upper mounting seat and drives the upper sliding block to vertically move upwards, the upper mounting seat is provided with an upper mounting protrusion in a hanging manner on the upper sliding block, the upper resetting butt rod is slidably arranged on the upper mounting protrusion and the lower end of the upper sliding block in a butt manner, the upper reset spring is clamped between the upper sliding block and the upper mounting protrusion, and the upper motor is arranged on the upper sliding block and the motor shaft towards the detection disc and on the motor shaft to install the go gauge.

Through adopting above-mentioned technical scheme, through last reset spring promote go up the butt pole butt slider of jointing that resets, the top shoe is under the effect of gravity and last butt pole that resets, more stable towards detecting the movement of dish direction, go up the motor and drive the rule rotation of leading to, realize detecting the rule of leading to of hydraulic pipe connector tip screw thread, owing to the effect of the butt pole that resets on for when detecting, lead to the rule more stable, certain vertical activity space has simultaneously, in order to do benefit to the completion and detect.

It is optional, still include the feed supplement subassembly, the feed supplement subassembly includes feed supplement storehouse, reason charging tray, the rotatory reason material driving piece of drive reason charging tray, gets the hoist mechanism of material from reason charging tray and get the material from hoist mechanism and put into the reclaimer manipulator of conveyer belt, reason charging tray is outer along offering the class hexagonal hole with hydraulic coupling adaptation, the pore wall of class hexagonal hole is provided with the butt limit of the vertical removal of restriction hydraulic coupling, the vertical ejection of compact breach of having seted up of feed supplement storehouse, hoist mechanism set up in by ejection of compact breach, hoist mechanism include vertical conveyer belt and set up in vertical reclaimer on the vertical conveyer belt presss from both sides, the cross section that vertical reclaimer pressed from both sides is greater than 180 degrees rings for the span, just vertical reclaimer presss from both sides can vertically pass and is located ejection of compact breach class hexagonal hole.

Through adopting above-mentioned technical scheme, through the rotation of reason charging tray, manage the hydraulic pressure coupling of benefit feed bin to type hexagonal downthehole, the reason charging tray drives the hydraulic pressure coupling of type hexagonal downthehole and moves together, when the hydraulic pressure coupling is taken over ejection of compact breach, it passes from type hexagonal downthehole to drive vertical material taking clamp through vertical conveyer belt, thereby take out and carry the conveyer belt by the hydraulic pressure coupling of type hexagonal downthehole through vertical material taking clamp, send into the conveyer belt through getting material machinery hand (hold) hydraulic pressure coupling, through the reason charging tray, the state of automatically regulated hydraulic pressure coupling, realize automatic reason material, automatic feeding is realized to rethread material taking manipulator, further improve equipment's degree of automation.

Optionally, vertical reclaimer presss from both sides including base and grip block, the grip block has two, two the grip block symmetry set up and with the base rotates to be connected, two form the centre gripping space that is used for centre gripping hydraulic pressure coupling between the grip block, reclaimer manipulator has two, two reclaimer manipulator divides establishes the both sides of vertical conveyer belt, reclaimer manipulator includes that the rotating electrical machines drives rotatory swing arm and sets up in the pneumatic finger of swing arm tip.

Through adopting above-mentioned technical scheme, two grip blocks are owing to rotate with the base and are connected, make the reclaimer manipulator not need the up-and-down motion, only need centre gripping hydraulic pressure union end then rotatory can follow vertical reclaimer and press from both sides the hydraulic pressure union joint, simplify the drive division of equipment, reduce the possibility of makeing mistakes in the automatic motion process of equipment, be difficult to the state that changes the hexagonal portion of hydraulic pressure union joint simultaneously, thereby after the state of hydraulic pressure union joint has been adjusted in the material dish, can keep the adaptation state always, be convenient for subsequent operation, two reclaimer manipulators take off the hydraulic pressure union joint from vertical conveyer belt in turn and send into two transport slide, make a vertical conveyer belt can be simultaneously to two transport slide transport hydraulic pressure union joints, simplify the feed supplement subassembly.

Optionally, an entering notch is formed in a part of the side wall, far away from the detection plate, of the side partition block, and the conveying slide is larger in distance at the entering notch and is reduced along with approaching the detection plate until the conveying slide is matched with the hydraulic pipe joint in size.

Through adopting above-mentioned technical scheme, the entering breach is used for supplying the hydraulic pressure union coupling to put into and carries the slide, through the state that gets into breach restriction hydraulic pressure union coupling entering transport slide, carry the slide simultaneously in getting into breach department interval great and along with being close to the detection dish reduce until with hydraulic pressure union coupling size adaptation, the state of better adjustment hydraulic pressure union coupling, so that back three-jaw chuck snatchs the hydraulic pressure union coupling, get into breach and material taking manipulator cooperation simultaneously, be convenient for get material mechanical hand hydraulic pressure union coupling and send into and carry the slide, hydraulic pressure union coupling is difficult to again follow the landing of carrying the slide simultaneously.

Optionally, the conveying driving member and the material arranging driving member are both cam dividers.

Through adopting above-mentioned technical scheme, through the drive of cam wheel splitter for the intermittent motion precision of detecting dish and reason charging tray is higher, is favorable to mutually supporting, keeps the hydraulic pressure pipe connector material loading and detects the position precision of time measuring, is favorable to going on in order of detecting.

In conclusion, the hydraulic pipe joint is conveyed to the corresponding mounting position on the detection disc through the feeding assembly for placement, the detection disc is driven to move in a clearance mode through the conveying driving piece, the hydraulic pipe joint rotates along with the detection disc and stops at the upper detection assembly and the lower detection assembly, the go gauge and the no-go gauge of the thread at one end of the hydraulic pipe joint are detected through the upper detection assembly, the go gauge and the no-go gauge of the thread at the other end of the hydraulic pipe joint are detected through the lower detection assembly, the detection of the threads at two ends of the hydraulic pipe joint are realized, the hydraulic pipe joint is placed at one time, the continuity is completely detected, after the detection of the hydraulic pipe joint is finished, the hydraulic pipe joint is taken down according to the detection result and is respectively placed into the regions of qualified products and unqualified products, the detection of the hydraulic pipe joint is finished, the detection efficiency is higher, when the detection of a certain process is unqualified, the numerical control computer can be used for control, and subsequent detection is directly avoided, indirectly improve the efficiency and reduce the energy consumption.

Drawings

FIG. 1 is a schematic structural diagram of a detection device in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a detection device in an embodiment of the present application;

FIG. 3 is a schematic structural view of a delivery assembly in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of the detection tray and components at each station in the embodiment of the present application;

FIG. 5 is a schematic structural diagram of a feeding assembly in an embodiment of the present application;

FIG. 6 is a schematic structural diagram 1 of an upper and lower go gauge and no-go gauge detection assembly in the embodiment of the present application;

FIG. 7 is a schematic structural diagram 2 of an upper and lower go and no-go gauge detection assembly in an embodiment of the application;

FIG. 8 is a schematic structural diagram of a feed module in an embodiment of the present application;

FIG. 9 is an enlarged view at A in FIG. 8;

FIG. 10 is an enlarged view at B in FIG. 8;

fig. 11 is a schematic structural diagram of a vertical take-out clamp in the embodiment of the present application.

Description of reference numerals: 10. a hydraulic pipe joint; 101. a hexagonal section; 1. a detection table; 11. a cantilevered platform; 2. a feeding assembly; 21. a conveyor belt; 22. a three-jaw chuck; 23. a feeding drive assembly; 231. the feeding driving mounting frame; 232. a horizontal pushing platform; 233. a horizontal pushing cylinder; 234. a vertical push cylinder; 235. a vertical mounting block; 236. a top block; 24. a zoned component; 241. a zoned mounting rack; 242. a middle spacer block; 243. a side spacer block; 244. a hanging block; 245. a conveying chute; 25. entering the gap; 3. a photographing detection component; 31. an industrial camera; 4. a delivery assembly; 41. detecting a disc; 411. arranging block holes; 412. a mounting block; 4121. a hexagonal hole; 42. a conveying drive member; 51. an upper go gauge detection assembly; 511. an upper mounting seat; 5111. an upper sliding groove; 5112. an upper guide mounting block; 5113. an upper abutting projection; 512. an upper driving cylinder; 513. an upper slide block; 5131. an upper slider driving hole; 514. an upper motor; 515. an upper reset abutting rod; 5151. an upper ring is convex; 516. an upper return spring; 517. an upper guide post; 518. an upper limiting ring; 52. an upper no-go gauge detection assembly; 61. a lower go gauge detection assembly; 611. a lower mounting seat; 6111. a lower sliding groove; 6112. a lower guide mounting block; 6113. a lower abutment projection; 612. a lower driving cylinder; 613. a lower slide block; 6131. the lower sliding block drives the hole; 614. a lower motor; 615. a lower reset abutting rod; 616. a lower return spring; 617. a lower guide post; 618. a lower limit ring; 619. an elastic spring; 62. a lower no-go gauge detection assembly; 621. the upper go gauge abuts against the block; 622. the upper go gauge is abutted against the cylinder; 623. mounting a boss; 624. an upper stop gauge abutting block; 625. the upper no-go gauge is abutted against the cylinder; 71. a waste return assembly; 711. a waste receiving hopper; 712. a return receiving hopper; 713. a waste recycle drive; 72. a qualified material component; 721. a qualified material conveying belt; 722. qualified material blanking driving parts; 81. go gauge; 82. stopping the gauge; 9. a feed supplement assembly; 91. a material supplementing bin; 911. a discharge notch; 912. a limit brush; 92. arranging a material tray; 921. a hexagon-like hole; 922. abutting the edges; 93. a lifting mechanism; 931. a vertical conveyor belt; 932. a vertical material taking clamp; 9321. a base; 9322. a clamping block; 94. a material taking manipulator; 941. a rotating electric machine; 942. swinging arms; 943. a pneumatic finger.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses hydraulic pipe joint external screw thread detection device.

Referring to fig. 1 and 2, a hydraulic pipe joint external thread detection device includes detection platform 1 and sets up material loading subassembly 2, the detection subassembly 3 of shooing, conveying assembly 4, last detection subassembly, lower detection subassembly, unloading subassembly and set up in detecting the other supplementary material subassembly 9 of platform 1 on detecting platform 1.

Referring to fig. 2 and 3, the detection table 1 is a square shell, an electrical component for driving the whole apparatus is installed inside the detection table 1, the conveying component 4 includes a detection disc 41 and a conveying driving component 42, wherein the conveying driving component 42 can adopt a cam divider, the conveying driving component 42 is installed in the middle of the table top of the detection table 1, the detection disc 41 is installed on the conveying driving component 42 and moves in a clearance manner under the driving of the conveying driving component 42, and a plurality of stations are arranged beside the detection disc 41 along the rotation direction of the detection disc 41.

Be equipped with the installation position that supplies the stable arrangement of hydraulic pressure union coupling 10 on the detection dish 41, the installation position has a plurality ofly, a plurality of installation positions are along detecting dish 41 circumference equiangular interval setting, every installation position is provided with two arrangement piece 412 that supply the arrangement of hydraulic pressure union coupling 10, detection dish 41 has been seted up and has been supplied the arrangement piece hole 411 of not running through to settle piece 412 screw fixation, settle the hole bottom of piece hole 411 and set up the round hole, settle the hexagonal portion 101 that sets up on the arrangement piece 412 and set up the hexagonal hole 4121 that does not run through and supply the hydraulic pressure union coupling 10, the hole bottom of hexagonal hole 4121 is seted up the round hole and is supplied the one end of hydraulic pressure union coupling 10 to pass, when making hydraulic pressure union coupling 10 settle on the installation piece, hydraulic pressure union coupling 10 one end is located and is detected dish 41 top, the other end is located and is detected dish 41 below.

Referring to fig. 2 and 4, in this embodiment, eight mounting positions are provided on the detection plate 41, and eight corresponding stations are provided, so that each mounting position can be partially operated at the same time, and each mounting position can be correspondingly operated at one station along with the rotation of the detection plate 41, thereby improving the detection efficiency, wherein the upper detection assembly comprises an upper go gauge detection assembly 51 and an upper go gauge detection assembly 52, the lower detection assembly comprises a lower go gauge detection assembly 61 and a lower no-go gauge detection assembly 62, the lower detection assembly comprises a qualified material assembly 72 and a waste material return assembly 71, the feeding assembly 2, the photographing detection assembly 3, the upper go gauge detection assembly 51, the upper go gauge detection assembly 52, the lower go gauge detection assembly 61, the lower no-go gauge detection assembly 62, the waste material return assembly 71 and the qualified material assembly 72 are sequentially provided along the rotation direction of the detection plate 41, the positions of the upper gauge detecting assembly 51, the upper gauge detecting assembly 52, the lower gauge detecting assembly 61 and the lower gauge detecting assembly 62 can be replaced with each other, the sequence of the waste return assembly 71 and the qualified material assembly 72 can be replaced, and the arrangement sequence is preferred in the embodiment.

Meanwhile, two corresponding assemblies are arranged on four stations of the upper go gauge detection assembly 51, the upper stop gauge detection assembly 52, the lower go gauge detection assembly 61 and the lower stop gauge detection assembly 62 and are used for detecting two hydraulic pipe joints 10 on the same installation position.

Referring to fig. 4 and 5, the feeding assembly 2 includes a conveyor belt 21, two three-jaw chucks 22 arranged side by side, and a feeding driving assembly 23 for driving the three-jaw chucks 22 to move horizontally and vertically, a conveying start end of the conveyor belt 21 is located outside the inspection table 1, a cantilever platform 11 is arranged on a side wall of the inspection table 1 for mounting the conveyor belt 21, and a conveying end of the conveyor belt 21 is located beside the inspection tray 41.

The conveying belt 21 is provided with a region forming assembly 24, the region forming assembly 24 comprises a region forming mounting rack 241, a middle separating block 242 and a side separating block 243, the region forming mounting rack 241 spans on the conveying belt 21 in a door shape, and the lower part of the region forming mounting rack 241 is fixed with a part of the conveying belt 21 which is static relative to the detection table 1; the side separating blocks 243 and the middle separating block 242 are long strips and are arranged along the conveying direction of the conveying belt 21, two side separating blocks 243 are arranged, and the two side separating blocks 243 are arranged on two sides of the middle separating block 242; the area forming mounting rack 241 is provided with a hanging block 244 extending towards the conveying belt 21, the upper portion of the hanging block 244 is fixed with the area forming mounting rack 241 through screws, the lower portion of the hanging block 244 abuts against the middle separating block 242 or the side separating block 243 and is fixed through screws, the hanging block 244 is provided with three middle separating blocks 242 and three side separating blocks 243 which are in one-to-one correspondence, a conveying slideway 245 is formed between each side separating block 243 and the middle separating block 242, so that the conveying belt 21 is provided with two conveying slideways 245 for the hydraulic pipe joint 10 to pass through, and a certain distance is also formed between every two adjacent hanging blocks 244, so that the hydraulic pipe joint 10 can smoothly pass through.

An entering notch 25 penetrating through the conveying slide way 245 is formed in one end, away from the detection disc 41, of the side partition block 243, the conveying slide way 245 is large in distance at the position of the entering notch 25 and shrinks along with approaching to the detection disc 41 until the conveying slide way is matched with the size of the hexagonal part 101 of the hydraulic pipe joint 10, when the hydraulic pipe joint 10 moves in the conveying slide way 245 to approach to the detection disc 41, the hexagonal part 101 of the hydraulic pipe joint 10 is located in the conveying slide way 245, and two side walls, opposite to the hexagonal part 101, are kept in a certain state and are conveyed to the detection disc 41 under the limitation of the middle partition block 242 and the side partition block 243.

The feeding driving assembly 23 comprises a feeding driving mounting frame 231, a horizontal pushing platform 232, a horizontal pushing cylinder 233 and a vertical pushing cylinder 234, the feeding driving mounting frame 231 is mounted on the detection platform 1 and located beside the conveyor belt 21, and part of the feeding driving mounting frame 231 is suspended above the conveyor belt 21; the vertical pushing cylinder 234 is mounted on the overhanging part of the feeding driving mounting frame 231, a piston rod of the vertical pushing cylinder 234 is vertically arranged towards the conveying belt 21, and the horizontal pushing platform 232 is mounted on the piston rod of the vertical pushing cylinder 234, so that the vertical pushing cylinder 234 moves close to and away from the conveying belt 21 in the vertical direction; the horizontal pushing platform 232 is provided with a slide rail along the conveying direction of the conveying belt 21 and slides on the slide rail to install a corresponding slide block, the horizontal pushing platform 232 is provided with vertical installation blocks 235 at two ends of the slide rail, the horizontal pushing cylinder 233 is installed on the vertical installation block 235 far away from the detection disc 41, a piston rod slides to penetrate through the vertical installation block 235 and is connected with the slide block, and the other vertical installation block 235 is provided with a top block 236 extending towards the direction of the slide block for limiting the sliding stroke of the slide block.

Two three-jaw chucks 22 are mounted on the sliding blocks below the horizontal pushing platform 232, the jaws are arranged towards the conveying belt 21, when the hydraulic pipe joint 10 in the two conveying slideways 245 is conveyed to the positions below the two three-jaw chucks 22, the horizontal pushing platform 232 moves downwards, so that the end part of the hydraulic pipe joint 10 is inserted between the jaws, the three-jaw chucks 22 clamp the hydraulic pipe joint 10, the horizontal pushing platform 232 moves upwards again and then is conveyed to the position above the detection disc 41, the horizontal pushing platform 232 moves together with the hydraulic pipe joint 10 to the position above the detection disc 41, and the horizontal pushing platform 232 moves downwards again to convey the hydraulic pipe joint 10 to the mounting position on the detection disc 41.

Referring to fig. 4, the photographing detection assembly 3 includes an industrial camera 31 and a digital control computer for receiving signals of the industrial camera 31, the digital control computer is disposed on one side of the detection table 1, the digital control board faces outward, operation is facilitated, and the industrial camera 31 is erected on the detection plate 41 and shoots towards the direction of the detection plate 41.

Referring to fig. 4 and 6, the upper gauge detecting assembly 51 includes a gauge 81 and an upper gauge driving member for driving the gauge 81 to approach or depart from the detecting disc 41 and rotate, the upper gauge driving member includes an upper mounting seat 511, an upper driving cylinder 512, an upper sliding block 513, an upper motor 514, an upper return butt rod 515 and an upper return spring 516, the upper mounting seat 511 is mounted beside the detecting disc 41, the upper mounting seat 511 is vertically provided with an upper sliding groove 5111, the upper sliding groove 5111 penetrates the upper mounting seat 511 along a direction approaching to the detecting disc 41, the upper mounting seat 511 is provided with two upper guide mounting blocks 5112 in a suspending manner towards the detecting disc 41 and is arranged up and down respectively, the upper sliding block 513 is located between the two upper guide mounting blocks 5112, an upper guide column 517 is arranged between the two upper guide mounting blocks 5112, the upper sliding block 513 is vertically slidably mounted on the upper guide column 517, and a part of the upper sliding block 513 is located on a side of the upper sliding groove 5111 approaching to the detecting disc 41, the part is located the one side that upward sliding groove 5111 kept away from detection dish 41, the vertical upper sliding block that has seted up of part that upward slider 513 kept away from detection dish 41 drives hole 5131, go up drive actuating cylinder 512 and install in the top that the lateral wall that last mount pad 511 deviates from detection dish 41 and is located upper sliding block 513, the piston rod of going up drive actuating cylinder 512 passes upper sliding block and drives hole 5131 and installs the last spacing ring 518 that butts upper sliding block 513 in the tip for it can drive the vertical upward movement of upper sliding block 513 to go up drive actuating cylinder 512.

Go up on the mount pad 511 and go up the direction overhang of detection dish 41 on the last direction installation piece 5112 that is located the top and be provided with butt lug 5113, go up reset butt link pole 515 and slide and install in last installation arch 623 and lower extreme butt link slider 513, the one end that goes up reset butt link pole 515 butt link slider 513 is provided with the protruding 5151 of upper ring, go up reset spring 516 suit on reset butt link pole 515 to centre gripping is between the protruding 5151 of upper ring and last butt lug 5113, further drive the downward motion of upper slider 513.

The upper motor 514 is mounted on the upper slider 513 with the motor shaft vertically oriented toward the test tray 41, and the gauge 81 is mounted on the end of the motor shaft.

The upper gauge detecting assembly 52 comprises a non-stop gauge 82 and an upper gauge driving piece which drives the non-stop gauge 82 to move close to or away from the detecting plate 41 and rotates, and the structure of the upper gauge driving piece is the same as that of the upper gauge driving piece, namely, the difference between the upper gauge detecting assembly 52 and the upper gauge detecting assembly 51 is that the upper motor 514 of the upper gauge detecting assembly 52 is provided with the non-stop gauge 82.

Referring to fig. 4 and 7, the lower gauge detecting assembly 61 includes a gauge 81 and a lower gauge driving member for driving the gauge 81 to approach or depart from the detecting plate 41 and rotate, the lower gauge driving member includes a lower mounting seat 611, a lower driving cylinder 612, a lower sliding block 613, a lower motor 614, a lower return butt rod 615 and a lower return spring 616, the lower mounting seat 611 is mounted on the detecting table and located beside the detecting plate 41, the detecting table 1 is provided with a hole communicating with the inner space, the lower mounting seat 611 is fixed on the detecting table 1 through a suspended plate and partially extends into the inner space below the detecting table 1, the lower mounting seat 611 is vertically provided with a lower sliding groove 6111, the lower sliding groove 6111 penetrates through the lower mounting seat 611 in the direction of approaching the detecting plate 41, the lower mounting seat 611 is suspended with two lower guide mounting blocks 6112 and is arranged up and down, the lower sliding block 613 is located between the two lower guide mounting blocks 6112, a lower guide post 617 is arranged between the two lower guide mounting blocks 6112, the lower slider 613 is vertically slidably mounted on the lower guide post 617, part of the lower slider 613 is located on one side of the lower sliding groove 6111 close to the detection plate 41, and part of the lower slider 613 is located on one side of the lower sliding groove 6111 away from the detection plate 41, a lower slider driving hole 6131 is vertically formed in a part of the lower slider 613 away from the detection plate 41, the lower driving cylinder 612 is mounted on a side wall of the lower mounting seat 611 away from the detection plate 41 and located above the lower slider 613, a piston rod of the lower driving cylinder 612 passes through the lower slider driving hole 6131 and a lower limiting ring 618 abutting against the lower slider 613 is mounted at an end portion of the lower driving cylinder 612, so that the lower driving cylinder 612 can drive the lower slider 613 to vertically move upward, an elastic spring 619 is sleeved on the piston rod of the lower driving cylinder 612, the elastic spring 619 is clamped between the lower limiting ring 618 and the lower slider 613, so that when the lower driving cylinder 612 drives the lower slider 613 to move, the lower slider 613 has an elastic sliding space when abutted.

A lower abutting convex block 6113 is arranged on the lower mounting seat 611 in a downward overhanging manner towards the direction of the detection disc 41 under the lower guide mounting block 6112 positioned below, a lower reset abutting rod 615 is slidably mounted on the lower mounting convex block 623, the lower end of the lower reset abutting rod 615 abuts against the lower sliding block 613, a lower annular protrusion is arranged at one end of the lower reset abutting rod 615 abutting against the lower sliding block 613, and the lower reset spring 616 is sleeved under the lower reset abutting rod 615 and clamped between the lower annular protrusion and the lower abutting convex block 6113, so that the lower sliding block 613 is elastically supported.

The lower motor 614 is mounted on the lower slider 613 and located below the detection plate 41, and a motor shaft is vertically disposed toward the detection plate 41, and a go gauge 81 is mounted on an end portion of the motor shaft.

Meanwhile, the lower go gauge detection assembly 61 further comprises an upper go gauge abutting cylinder 622 which drives the upper go gauge abutting block 621 to move towards the detection disc 41, the top of the lower mounting seat 611 is higher than the detection disc 41 and is provided with a mounting protrusion 623 in a direction overhanging towards the detection disc 41, the mounting protrusion 623 is located above the detection disc 41, the upper go gauge abutting cylinder 622 is mounted on the mounting protrusion 623, the piston rod is vertically arranged towards the detection disc 41, the upper go gauge abutting block 621 is mounted on the upper go gauge abutting cylinder 622, and the upper go gauge abutting block 621 abuts against the hydraulic pipe joint 10, so that the hydraulic pipe joint 10 is kept in a state and cannot be pushed by the go gauge 81 on the lower motor 614.

The lower no-go gauge detection assembly 62 comprises a no-go gauge 82 and a lower no-go gauge driver for driving the no-go gauge 82 to approach or move away from the detection plate 41 and rotating, and the lower no-go gauge driver are identical in structure, namely, the lower no-go gauge detection assembly 62 and the lower no-go gauge detection assembly 61 are different in that the no-go gauge 82 is mounted on a lower motor 614 of the lower no-go gauge detection assembly 62.

Lower no-go gage determine module 62 still includes to go up stop gage butt block 624 and drive and go up stop gage butt block 624 and go up the top stop gage butt cylinder 625 that moves towards detection dish 41 direction, goes up the mounting structure of stop gage butt block 624 and top stop gage butt cylinder 625 and leads to gage butt block 621 and last lead to gage butt cylinder 622 unanimously with last.

Referring to fig. 4 and 5, the waste recycling assembly 71 is used for feeding the unqualified hydraulic pipe joints 10 into the corresponding position and the hydraulic pipe joints 10 with misplaced positions into the supplementing assembly 9 again, the waste recycling assembly 71 comprises a waste receiving hopper 711, a recycling receiving hopper 712, a three-jaw chuck 22 and a waste recycling driving member 713, wherein the waste recycling driving member 713 and the feeding driving member are arranged on the detection platform 1 in a structure consistent with each other, the recycling receiving hopper 712 and the waste receiving hopper 711 are arranged up and down, the recycling receiving hopper 712 positioned above is provided with a through hole, the three-jaw chuck 22 on the waste recycling driving member 713 catches the unqualified and misplaced hydraulic pipe joints 10 from the detection plate 41, when the unqualified waste materials are moved to the through hole position on the recycling receiving hopper 712, the waste materials enter the waste receiving hopper 711 through the through hole, the misplaced hydraulic pipe joints 10 are not moved continuously, and then the misplaced hydraulic pipe joints 10 are placed, the hydraulic pipe joint 10 which is not placed correctly is sent to the feeding assembly 9 again for placing and detecting again, wherein the hydraulic pipe joint 10 which enters the feeding back receiving hopper 712 without passing through the through hole on the feeding back receiving hopper 712 due to error can still be detected as unqualified in the next detection, the influence of error is reduced, and the possibility that the hydraulic pipe joint 10 which needs to be detected again enters the waste receiving hopper 711 is not easy to occur.

The qualified material assembly 72 has the same structure as the feeding assembly 2, and includes a qualified material conveyer belt 721, a three-jaw chuck 22 and a qualified material blanking driving member 722, in this embodiment, the qualified material assembly 72 is located at the last station and is arranged side by side with the feeding assembly 2, the conveying direction of the qualified material conveyer belt 721 is just opposite to the conveying direction of the conveyer belt 21, and the qualified material blanking driving member moves along the radial direction of the detection plate 41 to feed the qualified hydraulic pipe joint 10 onto the qualified material conveyer belt 721, and feed the qualified hydraulic pipe joint 10 into the corresponding position through the qualified material conveyer belt 721.

Referring to fig. 8, the feeding assembly 9 includes a feeding bin 91, a material arranging tray 92, a material arranging driving member for driving the material arranging tray 92 to rotate, a lifting mechanism 93 for taking materials from the material arranging tray 92, and a material taking manipulator 94 for taking materials from the lifting mechanism 93 and putting the materials into the conveyor belt 21, the feeding bin 91 is located on one side of the detection platform 1 where the overhanging platform 11 is arranged, the feeding bin 91 is cylindrical, a pillar for supporting is arranged at the bottom of the feeding bin 91, a discharging notch 911 is vertically formed in a part of the feeding bin 91 close to the detection platform 1, the discharging notch 911 is used for the lifting mechanism 93 to take materials from the feeding bin 91, the material arranging driving member can adopt a cam divider, the material arranging driving member is installed at the bottom of the space in the feeding bin 91, and the material arranging tray 92 is installed above the material arranging driving member and is driven by the material arranging driving member to perform intermittent motion.

Referring to fig. 8 and 9, the material arranging disc 92 is disc-shaped, a hexagonal hole 921 vertically matched with the hexagonal part 101 of the hydraulic pipe joint 10 is vertically arranged outside the material arranging disc 92, the wall of the hexagonal hole 921 close to the lower orifice is horizontally provided with an abutting edge 922 for limiting the hydraulic pipe joint 10 to vertically fall off and separate from the material arranging disc 92, the hexagonal hole 921 has five edges, when the hydraulic pipe joint 10 is located in the hexagonal hole 921, the hydraulic pipe joint 10 cannot contact the bin wall of the material supplementing bin 91, and meanwhile, the distance between the outer edge of the material arranging disc 92 and the bin wall of the material supplementing bin 91 is not large enough for the hydraulic pipe joint 10 to enter.

Referring to fig. 8, the wall of the replenishing bin 91 is further provided with a limiting brush 912, the limiting brush 912 extends towards the center of the replenishing bin 91 along the wall of the replenishing bin 91, the limiting brush 912 is provided with bristles towards the material arranging disc 92, and the limiting brush 912 is slightly inclined towards the wall of the replenishing bin 91, so that the hydraulic pipe joint 10 can be driven to move towards the outer edge of the material arranging disc 92, the hydraulic pipe joint 10 can be better fed into the hexagon-like hole 921, and meanwhile, a space for the hydraulic pipe joint 10 in the hexagon-like hole 921 to pass through is formed between the part of the limiting brush 912 above the hexagon-like hole 921 and the material arranging disc 92.

Referring to fig. 8 and 11, the lifting mechanism 93 is disposed beside the discharging gap 911, the lifting mechanism 93 includes a vertical conveying belt 931 and a vertical material taking clamp 932 disposed on the vertical conveying belt 931, a cross section of the vertical material taking clamp 932 is a circular ring with a span greater than 180 degrees, and the vertical material taking clamp 932 is driven by the vertical conveying belt 931 to vertically pass through a hexagon-like hole 921 located in the discharging gap 911 from bottom to top; vertical clip 932 of getting includes base 9321 and grip block 9322, base 9321 is fixed in on the vertical conveyer belt 931, grip block 9322 has two, two grip block 9322 bilateral symmetry set up, and grip block 9322 rotates with base 9321 to be connected, when two grip block 9322 butt each other, form the centre gripping space between two grip block 9322, the tip that the centre gripping space supplied hydraulic connector 10 is settled and is restricted, draw between grip block 9322 and the base 9321 simultaneously and establish the extension spring, make grip block 9322 keep the butt state when not receiving the external force pulling.

Referring to fig. 8 and 10, there are two material taking manipulators 94, two material taking manipulators 94 are respectively disposed on two sides of the vertical conveying belt 931, each material taking manipulator 94 includes a swing arm 942 driven by a rotating motor 941 to rotate and a pneumatic finger 943 disposed at an end of the swing arm 942, the swing arm 942 is driven by the rotating motor 941 to rotate, the pneumatic finger 943 at the end of the swing arm 942 rotates to the vertical conveying belt 931 to clamp the hydraulic pipe joint 10, and the swing arm 942 clamping the hydraulic pipe joint 10 rotates in the opposite direction under the driving of the rotating motor 941 and feeds the hydraulic pipe joint 10 into the conveying chute 245 through the entry notch 25; during feeding, two material taking manipulators 94 take off the hydraulic pipe joint 10 from the vertical conveying belt 931 and send the hydraulic pipe joint into the conveying slide 245 alternately, the two material taking manipulators 94 cannot interfere with each other, the feeding efficiency is improved, and the problems that when two hydraulic pipe joints 10 are fed simultaneously, the structure of the material supplementing bin 91, the material arranging tray 92 and the lifting mechanism 93 is complex and the size is too large are solved.

The implementation principle of the hydraulic pipe joint external thread detection device in the embodiment of the application is as follows: the hydraulic pipe joint 10 is continuously conveyed to the conveying slide way 245 through a material supplementing device, the conveying slide way 245 conveys the hydraulic pipe joint 10 into the detection table 1, the feeding assembly 2 conveys the hydraulic pipe joint 10 into a corresponding installation position on the detection disc 41 to be arranged, the detection disc 41 is driven to move in a clearance way through the conveying driving piece 42, the hydraulic pipe joint 10 rotates along with the detection disc 41 and stops at the upper detection assembly and the lower detection assembly, the go gauge and the no-go gauge of the thread at one end of the hydraulic pipe joint 10 are detected through the upper detection assembly, the go gauge and the no-go gauge of the thread at the other end of the hydraulic pipe joint 10 are detected through the lower detection assembly, the detection of the threads at two ends of the hydraulic pipe joint 10 is realized, the hydraulic pipe joint 10 is placed at one time, the continuity is completely detected, and after the detection of the hydraulic pipe joint 10 is finished, the hydraulic pipe joint 10 is taken down and is respectively placed into a qualified product area and an unqualified product area according to the detection result, the inspection of the hydraulic pipe joint 10 is completed.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a hydraulic pressure pipe joint external screw thread detection device which characterized in that: the device comprises a detection table (1) and a feeding assembly (2), a conveying assembly (4), an upper detection assembly, a lower detection assembly and a blanking assembly which are arranged on the detection table (1), wherein the conveying assembly (4) comprises a detection disc (41) and a conveying driving piece (42) for driving the detection disc (41) to rotate, a mounting position for stably arranging a liquid pressure pipe joint (10) is arranged on the detection disc (41), one end of the liquid pressure pipe joint (10) is positioned above the detection disc (41), the other end of the liquid pressure pipe joint is positioned below the detection disc (41), and the feeding assembly (2), the upper detection assembly, the lower detection assembly and the blanking assembly are all arranged beside the detection disc (41);

the upper detection assembly comprises an upper go gauge detection assembly (51) and an upper go gauge detection assembly (52), the upper go gauge detection assembly (51) comprises a go gauge (81) and an upper go gauge driving piece which drives the go gauge (81) to be close to or far away from the detection disc (41) and rotate, and the upper no-go gauge detection assembly (52) comprises a no-go gauge (82) and an upper go gauge driving piece which drives the no-go gauge (82) to be close to or far away from the detection disc (41) and rotate;

the lower detection assembly comprises a lower go gauge detection assembly (61) and a lower no-go gauge detection assembly (62), the lower go gauge detection assembly (61) comprises a go gauge (81) and a lower go gauge driving piece which drives the go gauge (81) to be close to or far away from the detection disc (41) and rotate, and the lower no-go gauge detection assembly (62) comprises a no-go gauge (82) and a lower no-go gauge driving piece which drives the no-go gauge (82) to be close to or far away from the detection disc (41) and rotate;

each installation position is used for arranging two hydraulic pipe joints (10), the feeding assembly (2) comprises a conveying belt (21), two three-jaw chucks (22) arranged side by side and a feeding driving assembly (23) for driving the three-jaw chucks (22) to move horizontally and vertically, and two conveying slideways (245) matched with the hydraulic pipe joints (10) are arranged on the conveying belt (21);

the feeding assembly (9) comprises a feeding bin (91), a material arranging disc (92), a material arranging driving piece for driving the material arranging disc (92) to rotate, a lifting mechanism (93) for taking materials from the material arranging disc (92) and a material taking manipulator (94) for taking materials from the lifting mechanism (93) and putting the materials into the conveying belt (21), wherein a similar hexagonal hole (921) matched with the hydraulic pipe joint (10) is formed in the outer edge of the material arranging disc (92), the similar hexagonal hole (921) is provided with five edges, when the hydraulic pipe joint (10) is located in the similar hexagonal hole (921), the hydraulic pipe joint (10) cannot contact with the bin wall of the feeding bin (91), meanwhile, the distance between the outer edge of the material arranging disc (92) and the bin wall of the feeding bin (91) is not enough for the hydraulic pipe joint (10) to enter, and a butting edge (922) for limiting the vertical movement of the hydraulic pipe joint (10) is arranged on the hole wall of the similar hexagonal hole (921), the feeding bin (91) is vertically provided with a discharging gap (911), the lifting mechanism (93) is arranged beside the discharging gap (911), the lifting mechanism (93) comprises a vertical conveying belt (931) and a vertical material taking clamp (932) arranged on the vertical conveying belt (931), the cross section of the vertical material taking clamp (932) is a circular ring with the span larger than 180 degrees, and the vertical material taking clamp (932) can vertically penetrate through the hexagonal hole (921) located in the discharging gap (911);

the vertical taking clamp (932) is driven by the vertical conveying belt (931) to vertically penetrate through a hexagonal hole (921) located in the discharging notch (911) from bottom to top; vertical material taking clamp (932) includes base (9321) and grip block (9322), base (9321) is fixed in on vertical conveyer belt (931), grip block (9322) has two, two grip block (9322) bilateral symmetry set up, and grip block (9322) rotate with base (9321) and be connected, when two grip block (9322) butt each other, form centre gripping space between two grip block (9322), the tip that feed liquid pressure pipe joint (10) was settled and is restricted in centre gripping space, draw between grip block (9322) and base (9321) simultaneously and establish the extension spring, make grip block (9322) keep the butt state when not receiving external force pulling, material taking manipulator (94) has two, two material taking manipulator (94) divides and establishes the both sides of vertical conveyer belt (9321), material taking manipulator (94) include that rotating electrical machines (941) drive rotatory swing arm (942) and set up in the pendulum A pneumatic finger (943) at the end of the arm (942);

during feeding, the two material taking manipulators (94) alternately take down the hydraulic pipe joints (10) from the vertical conveying belt (931) and send the hydraulic pipe joints into the conveying slide ways (245).

2. The hydraulic pipe joint external thread detection device according to claim 1, wherein: the conveying belt (21) is provided with a zone forming assembly (24), the zone forming assembly (24) comprises a zone forming mounting frame (241), middle separating blocks (242) and side separating blocks (243), the number of the side separating blocks (243) is two, the two side separating blocks (243) are respectively arranged on two sides of the middle separating blocks (242), the side separating blocks (243) and the middle separating blocks (242) are installed on the zone forming mounting frame (241), the conveying slide way (245) is formed between the side separating blocks (243) and the middle separating blocks (242), the feeding driving assembly (23) comprises a feeding driving mounting frame (231), a horizontal pushing platform (232), a horizontal pushing cylinder (233) and a vertical pushing cylinder (234), the vertical pushing cylinder (234) is installed on the feeding driving mounting frame (231), and the horizontal pushing platform (232) is installed on a piston rod of the vertical pushing cylinder (234), the two three-jaw chucks (22) are slidably mounted on the horizontal pushing platform (232) through a sliding block and are driven by the horizontal pushing cylinder (233) to horizontally slide.

3. The hydraulic pipe joint external thread detection device according to claim 1, wherein: lead to rule determine module (61) down and still include and lead to rule butt piece and drive go up to lead to rule butt piece court go up that detection dish (41) direction removed lead to rule butt cylinder, no-go gage determine module (62) still includes and goes up rule butt piece (624) and drive down go up rule butt piece (624) court go up rule butt cylinder (625) that detection dish (41) direction removed.

4. The hydraulic pipe joint external thread detection device according to claim 1, wherein: still including detection subassembly (3) of shooing, detection subassembly (3) of shooing include industrial camera (31) and receive the numerical control computer of industrial camera (31) signal, detection subassembly (3) of shooing are located the next process of material loading subassembly (2).

5. The hydraulic pipe joint external thread detection device according to claim 1, wherein: the upper go gauge driving piece comprises an upper mounting seat (511), an upper driving cylinder (512), an upper sliding block (513), an upper motor (514), an upper reset butt rod (515) and an upper reset spring (516) sleeved on the upper reset butt rod (515), the upper mounting seat (511) is arranged beside the detection disc (41), the upper sliding block (513) is slidably arranged on the upper mounting seat (511), the upper driving cylinder (512) is arranged on the upper mounting seat (511) and drives the upper sliding block (513) to vertically move upwards, the upper mounting seat (511) is provided with an upper mounting protrusion in a suspending manner on the upper sliding block (513), the upper reset butt rod (515) is slidably arranged on the upper mounting protrusion and the lower end of the upper sliding block (513) is abutted against the upper sliding block (513), and the upper reset spring (516) is clamped between the upper sliding block (513) and the upper mounting protrusion, the upper motor (514) is installed on the upper sliding block (513), the motor shaft faces the detection disc (41), and the go gauge (81) is installed on the motor shaft.

6. The hydraulic pipe joint external thread detection device according to claim 2, wherein: an entering notch (25) is formed in the side wall of the part, far away from the detection disc (41), of the side partition block (243), and the conveying slide way (245) is larger in distance at the position of the entering notch (25) and is reduced along with the approach of the detection disc (41) until the conveying slide way is matched with the size of the hydraulic pipe joint (10).

7. The hydraulic pipe joint external thread detection device according to claim 1, wherein: the conveying driving piece (42) and the material arranging driving piece are both cam dividers.

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