CN217707368U - Full-automatic buffer loading and unloading device for header long pipe elbow and discharging mechanism thereof - Google Patents

Abstract

The utility model discloses a full-automatic buffer loading and unloading device for long pipe elbows of a header and a discharging mechanism thereof, which comprises a buffer storage frame and a discharging mechanism, wherein the buffer storage frame comprises two support frames and a plurality of stock partition plates for placing pipe joints, the plurality of stock partition plates are arranged in the vertical direction, and the plurality of stock partition plates are all arranged between the two support frames; discharge mechanism includes ejection of compact layer board, is used for driving ejection of compact layer board removal ejection of compact drive assembly and is used for a plurality of fishback that take out the coupling from the material stock baffle, and a plurality of fishback book are installed in the one end of ejection of compact layer board, and ejection of compact drive assembly can drive the fishback and shift up through driving ejection of compact layer board, and the fishback passes a plurality of first material mouths of getting on the material stock baffle and lifts up the coupling, and then takes out the coupling. Like this, reduce the area of depositing the coupling through the buffer memory frame, the coupling on with the material stock baffle is lifted and is taken out through the broach subassembly of ejection of compact structure, makes taking of coupling more convenient, improves the circulation efficiency of coupling.

Description

Full-automatic buffer loading and unloading device for long pipe elbow of header and discharging mechanism of full-automatic buffer loading and unloading device

Technical Field

The utility model relates to a boiler manufacturing field especially relates to a unloader and discharge mechanism in full-automatic buffer memory of collection case long tube return bend of boiler.

Background

The header long pipe elbow joint product has the characteristic of multiple specifications, each specification is generally a small batch in the production of the header long pipe joint, a single drawing number is only dozens of or 100, pipe joints of the same specification or the same part which are closed up are manually installed in material cylinders, the mode needs more material cylinders for classified collection, the material cylinders need to be adjusted to a stacking site in advance, and the use area of the workshop site is occupied; in the current stage, a manual material taking mode is adopted for taking materials from a material cylinder of the long pipe elbow joint of the header, the weight of a single long pipe joint exceeds 20kg, the number of pipe joints is large, the labor intensity of workers is high, the efficiency is not high, and meanwhile, the method is relatively original and cannot meet the automatic use requirement of the long pipe joint of the header. Because the parts are classified more and the pipe joints are large in quantity, frequent travelling crane hoisting can exist, and the use of the travelling crane is occupied.

The patent document of publication No. CN210213654U discloses a three-dimensional warehouse for storing tube joints, wherein when a tube joint is to be picked up, a user inputs the type and number of the tube joints to be picked up to an automatic warehouse management system, the system automatically searches for the tube joints to find the corresponding tube joints, a rotating system is driven to rotate the material picking and placing system to an angle matching with the position of a target (i.e., the tube joint transfer box 4 in the embodiment), then a lifting system is started to drive a lifting trolley to move to a position flush with the target position, a manipulator (i.e., an electrically controlled telescopic cylinder in the embodiment) of the material picking and placing system on the lifting trolley starts to act and attach to the picked-up target, an electromagnetic device is started to adsorb the manipulator and the tube joint transfer box 4, and an electrically controlled limiting device on a guide rail of the tube joint transfer box 4 temporarily releases the limit (after a tube joint box 4 is picked up, the limit is automatically restored), the manipulator transfers the tube joint transfer box 4 to the lifting trolley, the lifting trolley is started again to deliver the tube joint transfer box 4 to an outlet at the lowest end, the manipulator of the material picking and placing system is started again to release the manipulator, the adsorption trolley to release the tube joint transfer trolley, and the manipulator can release the tube joint transfer trolley to release the tube joint transfer trolley, and the manipulator can release the manipulator and the manipulator can release the tube joint transfer trolley to the tube joint transfer trolley. And the automatic warehouse management system synchronously records the warehouse-out information of the corresponding pipe joint. If the number of the taken pieces is more than 1, the system performs the operation again to take out the next pipe joint. The process of storing the pipe joint is opposite to the process of taking the pipe joint.

In the prior art, the system control of the slave warehouse is complex, the slave warehouse is suitable for long-time storage and batch storage and taking of pipe joints, and the cost is high; however, it is troublesome to have existing pipe joints available in small lots for various types.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the material is got trouble to case long tube return bend among the prior art, the utility model aims to provide a full-automatic buffer memory unloader and discharge mechanism of collection case long tube return bend will leave the coupling on the stock material baffle of buffer memory frame through a plurality of fishback and lift up, makes the pipe fitting remove to ejection of compact layer board from the stock material baffle on, makes taking of coupling more convenient, improves the circulation efficiency of coupling.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a discharge mechanism is used for taking out pipe joints stored on a cache frame, the cache frame comprises two support frames and a plurality of stock partition plates used for placing the pipe joints, the stock partition plates are arranged in the vertical direction, and the stock partition plates are all arranged between the two support frames; the discharging mechanism comprises a discharging frame, a discharging supporting plate for supporting the pipe joint, a discharging driving assembly for driving the discharging supporting plate to move and a comb tooth assembly for taking the pipe joint out of the material storage partition plate, the discharging frame is arranged on the front side of the cache frame and comprises two discharging stand columns, the two discharging stand columns are connected through a discharging cross beam, the two discharging stand columns are fixedly connected with the two supporting frames through a plurality of second connecting seats respectively, the discharging driving assembly comprises two discharging driving frames, the two discharging driving frames are slidably mounted on the two discharging stand columns respectively, and the discharging supporting plate is mounted between the two discharging driving frames; the comb tooth assembly comprises a plurality of comb tooth plates, and the comb tooth plates are all arranged at the rear end of the discharging supporting plate; the front end of material stock baffle begins to have a plurality of first material mouths of getting, and a plurality of first material mouths of getting and a plurality of fishback one-to-one, when ejection of compact drive assembly passes through ejection of compact drive frame and drives ejection of compact layer board and remove along ejection of compact stand, ejection of compact layer board can drive the fishback and upwards pass first material mouth of getting down, lifts up the coupling of material stock baffle front end, makes the coupling remove to ejection of compact layer board on. Like this, adopt the three-dimensional buffer memory frame of multilayer to deposit the coupling, the material stock baffle for placing the coupling prevents through baffle and dog that the coupling is unexpected to break away from, has avoided grooved design, and different figurative couplings can be placed to the material stock baffle simultaneously, lifts up and takes out the coupling on the material stock baffle through the broach subassembly of ejection of compact structure, reduces and gets the material degree of difficulty, realizes automatic getting the material, improves the circulation efficiency of coupling.

Preferably, the discharging driving assembly further comprises a second motor, a second transmission shaft, two second gears and two second racks, the second motor is mounted on one of the discharging driving frames through a second mounting frame, one end of the second transmission shaft is connected with the second motor, the second transmission shaft is rotatably connected with the two discharging driving frames through bearings, the two second gears are mounted on the second transmission shaft, the two second racks are fixedly mounted on the two discharging upright columns respectively, and the two second gears are meshed with the two second racks respectively. Like this, adopt rack and pinion's transmission structure for the removal of ejection of compact layer board is more stable.

As preferred, broach subassembly still includes the deflector, linkage plate and second cylinder, deflector fixed mounting has seted up a plurality of holes of sliding in the bottom of ejection of compact layer board on the deflector, a plurality of fishback and a plurality of holes one-to-one that slide, fishback's bottom arch has the portion of sliding, fishback and deflector pass through the portion of sliding and slide hole sliding connection, a plurality of fishback's front end is all fixed on the linkage plate, the one end of second cylinder links to each other with ejection of compact layer board, the other end of second cylinder links to each other with the linkage plate. Therefore, the lifting of the comb plate and the expansion of the comb plate are designed in a split manner, so that a complex transmission structure is avoided, and the control and the maintenance are convenient; the telescopic comb plate can avoid collision with other structures in the processes of taking materials and resetting, so that the safety and the reliability of the device are improved; the fishback also can provide the initial velocity for the coupling through the friction at the in-process of shrink and make its stable to ejection of compact layer board that slides.

Preferably, the automatic feeding device further comprises a fine adjustment assembly used for adjusting the front position and the rear position of the discharging supporting plate, the fine adjustment assembly comprises two second adjusting plates, the two second adjusting plates are respectively slidably mounted on the two discharging driving frames, the discharging supporting plate is located between the two second adjusting plates, and two ends of the discharging supporting plate are respectively connected with the two second adjusting plates. Like this, can finely tune the position of fishback end, be convenient for discharge mechanism through adjusting and take out the coupling of different models or specification.

Preferably, the fine adjustment assembly further comprises two third adjusting plates, two third sliding blocks, two third sliding rails and a plurality of second adjusting bolts, the two third sliding blocks are respectively installed on the two discharging driving frames, the two third sliding rails are respectively installed on the two second adjusting plates, the two third sliding blocks are respectively in sliding connection with the two third sliding rails, the two third adjusting plates are respectively fixedly installed on the two feeding driving frames, through holes are formed in the two third adjusting plates, and one ends of the second adjusting bolts respectively penetrate through the through holes in the two third adjusting plates and are respectively in threaded connection with the two second adjusting plates. Like this, through rotating second adjusting bolt, the position of direct adjustment ejection of compact layer board, it is convenient and more accurate.

Preferably, the discharging supporting plate is obliquely arranged; the discharging supporting plate is movably connected with the second adjusting plate, so that the inclination angle of the discharging supporting plate can be adjusted conveniently; the discharging supporting plate is hinged to the second adjusting plates, fourth adjusting plates are fixedly mounted on the two second adjusting plates, at least two third adjusting bolts are connected to the fourth adjusting plates in a threaded mode and located below the discharging supporting plate, and the third adjusting bolts are abutted to the discharging supporting plate. Therefore, the pipe joint can slide to the front end of the discharging supporting plate through self weight, and a power structure is not needed to be additionally arranged.

Preferably, the pipe joint gripping device further comprises a conveying mechanism used for aligning the pipe joints, the conveying mechanism is arranged on the front side of the discharging rack and comprises a moving assembly used for moving the pipe joints, a material taking assembly used for moving the pipe joints on the discharging supporting plate to the moving assembly and a proximity switch, the material taking assembly, the moving assembly and the proximity switch are all installed on the third mounting rack, and when the moving assembly drives the pipe joints to be connected with the proximity switch, the pipe joints stop moving and are informed to the manipulator through the host to be gripped in front. Therefore, the pipe joints are conveyed to be unified through the conveying mechanism, the grabbing path of the manipulator is simplified, the practicability of the device and the linkage of other tools are improved, and the device is more suitable for automatic production flow.

Preferably, the moving assembly comprises a plurality of rollers and a third motor for driving the rollers to rotate, and the rollers are rotatably mounted on the third mounting frame through roller shafts; the material taking assembly comprises a plurality of material taking frames and a third air cylinder for driving the material taking frames to slide, the plurality of material taking frames are all slidably mounted on a third mounting frame, the material taking frames are triangular, and the tips of the material taking frames are arranged upwards; a plurality of second material taking ports are arranged at the front end of the discharging supporting plate, and correspond to the plurality of material taking frames one by one; when the third cylinder drives the material taking frame to move backwards, the material taking frame can upwards penetrate through the second material taking opening, so that the pipe joint slides to the roller along the inclined plane on the front side of the material taking frame.

Preferably, the middle section of the roller is inwards sunken to form a limiting space for bearing and limiting the position of the pipe joint; and a fourth material baffle plate extending upwards is fixed at the front end of the material taking frame. In this way, movement and positioning of the pipe joint is facilitated.

A full-automatic buffer loading and unloading device for a header long pipe elbow comprises a discharging mechanism.

The technical scheme of the invention has the beneficial effects that: 1. the material storage partition plate for placing the pipe joints prevents the pipe joints from being accidentally separated through the baffle plate and the stop block, so that the same material storage partition plate can store the pipe joints with different specifications; pipe joints on the material storage partition plate are lifted through the comb plates, so that the device can take out pipe joints with different specifications and different shapes; 2. the pipe joints are conveyed to be unified through the conveying mechanism, so that the grabbing path of the manipulator is simplified, the practicability of the device and the linkage with other tools are improved, and the device is more suitable for an automatic production flow; 3. the inclined arrangement of the discharging supporting plate enables the pipe joint to slide by self weight, thereby avoiding a complex driving structure and simplifying the structure of the device; 4. the front and rear positions of the discharging supporting plate can be adjusted through the fine adjustment assembly, so that the discharging mechanism can conveniently take out various pipe joints with different models and specifications; 5. the work or material rest can take out the coupling from ejection of compact layer board on the one hand, and on the other hand has the cushioning effect at the coupling in-process that the coupling slided to the removal subassembly from buffer memory frame, makes the required width of ejection of compact layer board less, avoids the coupling because this device of inertia roll-off, has improved the stability of device.

Drawings

FIG. 1 is a first structural schematic diagram of a full-automatic buffer loading and unloading device for a header long pipe elbow;

FIG. 2 is a second schematic structural view of a full-automatic buffer loading and unloading device for a long pipe elbow of a header;

FIG. 3 is a schematic diagram of a cache shelf;

FIG. 4 is a first schematic view of a supporting frame;

FIG. 5 is a second schematic structural view of the supporting frame;

FIG. 6 is a schematic view of the storage partition;

FIG. 7 is a schematic structural view of a feeding mechanism;

fig. 8 is a schematic structural view of the feeding frame;

FIG. 9 is a schematic view of a connection structure of a feeding driving assembly and a feeding supporting plate;

FIG. 10 is a schematic structural view of a loading pallet;

FIG. 11 is a schematic view of a connection structure of the discharging mechanism, the buffer storage rack and the conveying mechanism;

FIG. 12 is a schematic view of the discharge mechanism;

FIG. 13 is a first schematic structural view of the discharge driving assembly, the comb tooth assembly and the discharge pallet;

FIG. 14 is a second schematic structural view of the discharge driving assembly, the comb tooth assembly and the discharge pallet;

FIG. 15 is a third schematic structural view of the discharge drive assembly, the comb tooth assembly and the discharge pallet;

FIG. 16 is a first structural view of a first trimming assembly and an outfeed drive assembly;

FIG. 17 is a second schematic structural view of a fine adjustment assembly and a discharge drive assembly;

FIG. 18 is a schematic structural view of a discharge blade;

fig. 19 is a schematic structural view of the comb plate;

FIG. 20 is a schematic view of the structure of the transport mechanism;

FIG. 21 is an enlarged view at A in FIG. 20;

fig. 22 is a schematic view of a take-off assembly.

Reference numerals: 1. a cache shelf; 11. a fan; 12. a support frame; 121. a rectangular frame; 122. a reinforcing plate; 123. connecting holes; 13. a material storage partition plate; 131. a support plate; 132. a first connecting plate; 133. a first striker plate; 134. a first material taking port; 135. a material blocking block; 136. a first adjustment shaft; 15. mounting a plate; 16. a first adjusting plate; 17. a friction plate; 18. a first leg;

2. a feeding mechanism; 21. a feeding frame; 211. feeding upright posts; 212. a first cross member; 22. a first connecting seat; 23. a feeding supporting plate; 231. an accommodating space; 232. a second retainer plate; 24. a feeding drive assembly; 240. a limiting block; 241. a feeding driving frame; 242. a first motor; 243. a first mounting bracket; 244. a first drive shaft; 245. a first gear; 246. a first rack; 247. a first slider; 248. a first slide rail; 249. a first cylinder; 25. a second leg;

3. a discharging mechanism; 31. a discharging frame; 311. a discharging upright post; 312. a second cross member; 32. a second connecting seat; 33. a discharging supporting plate; 331. a sliding port; 332. a second material taking port; 333. a third retainer plate; 34. a discharge drive assembly; 341. a discharging driving frame; 342. a second motor; 343. a second mounting bracket; 344. a second drive shaft; 345. a second gear; 346. a second slider; 347. a second slide rail; 348. a second rack; 35. a comb tooth assembly; 351. a comb plate; 3511. a comb-tooth part; 3512. a sliding part; 352. a second cylinder; 353. a linkage plate; 354. a guide plate; 36. a fine adjustment component; 361. a second adjusting plate; 362. a third slide rail; 363. a third slider; 364. a third adjusting plate; 365. a second adjusting bolt; 366. a fourth adjusting plate; 367. a third adjusting bolt; 37. a third leg;

4. a conveying mechanism; 41. a conveying mounting frame; 411. a fifth striker plate; 42. a moving assembly; 421. a roller; 422. a roller shaft; 423. a sprocket; 424. a third motor; 43. a material taking assembly; 431. a material taking frame; 4311. a slope surface; 432. a third cylinder; 433. a synchronization lever; 434. a second connecting plate; 435. a fourth striker plate; 436. a material taking slide rail; 44. a proximity switch.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

For convenience of description, the loading mechanism 2 is located at the rear position in fig. 1, and the aligning device is located at the front position in the invention.

As shown in fig. 1 and fig. 2, the full-automatic buffer loading and unloading device for the long pipe elbow of the header box comprises a buffer storage rack 1 for placing the pipe joint, a feeding mechanism 2 for feeding the pipe joint to the buffer storage rack 1, a discharging mechanism 3 for taking out the pipe joint from the buffer storage rack 1, and a conveying mechanism 4 for conveying one end of the pipe joint to a uniform position, wherein the feeding mechanism 2 is arranged at a feeding end at the rear side of the buffer storage rack 1, the discharging mechanism 3 is arranged at a discharging end at the front side of the buffer storage rack 1, and the conveying mechanism 4 is arranged at a discharging end at the front side of the discharging mechanism 3.

As shown in fig. 1-3, the buffer frame 1 is of an open structure, the buffer frame 1 includes two support frames 12, a plurality of material storage partition plates 13 for supporting the pipe joints, and a plurality of fans 11 for accelerating cooling of the pipe joints, the two support frames 12 are arranged in the left-right direction, the plurality of material storage partition plates 13 are arranged in the up-down direction and are installed between the two support frames 12, and the plurality of fans 11 are all installed on the same support frame 12, so that unidirectional air flow is formed at the left side and the right side of the material inlet and outlet of the buffer frame 1, and the fans are prevented from being damaged by high temperature; the feeding mechanism 2 sends the pipe joint to the rear end of the material storage partition plate 13, and the discharging mechanism 2 takes the pipe joint out from the discharging end on the front side of the material storage partition plate 13. In other embodiments, a plurality of fans are respectively arranged on the two supporting frames on the left side and the right side of the feeding and discharging of the cache frame (1) so as to form convection air cooling.

In order to allow the pipe connection to be moved from the rear feed end of the storage partition 13 to the front discharge end of the storage partition 13, in the present embodiment, the plurality of storage partitions 13 are disposed in an inclined manner, and the height of the feed end of the storage partition 13 is higher than that of the discharge end, so that the pipe connection can be moved from the rear side of the storage partition 13 to the front side of the storage partition 13 by its own weight.

Due to different specifications and weights of the pipe joints, the pipe joint with lighter weight cannot slide to the discharge end of the material storage partition plate 13 through self weight, so that the pipe joint is stacked on the feed end of the material storage partition plate 13; in order to solve the above problem, as shown in fig. 3 to 6, in this embodiment, it is preferable that the discharge side of the material storage partition plate 13 is hinged to the buffer rack 1, the discharge side of the material storage partition plate 13 is mounted on the buffer rack 1 in a vertically adjustable manner, and the inclination angle of the material storage partition plate 13 is further adjusted. Therefore, the inclination angle of the material storage partition plate 13 for storing the pipe joints with the specification can be adjusted according to the specification of the pipe joints, and the pipe joints can be smoothly taken out of the buffering frame 1.

Further preferably, the left and right sides of the discharge end of the front side of the material storage partition plate 13 are hinged to the two support frames 12 through first hinge shafts respectively, the left and right sides of the discharge end of the rear side of the material storage partition plate 13 are rotatably provided with first adjusting shafts 136, the first adjusting shafts 136 are in threaded connection with first adjusting bolts, a plurality of first adjusting plates 16 are fixedly arranged on the two support frames 12, the plurality of first adjusting plates 16 on each support frame 12 are arranged in the vertical direction, the plurality of first adjusting plates 16 are in one-to-one correspondence with the plurality of material storage partition plates 13, the first adjusting plates 16 are located below the material storage partition plates 13, the first adjusting bolts penetrate through the first adjusting shafts 136 to press the first adjusting plates 16, and therefore the height of the rear end of the material storage partition plate 13 is adjusted by rotating the first adjusting bolts, and the inclination angle of the material storage partition plate 13 is adjusted. In other embodiments, the first adjusting plate may also be located above the first adjusting shaft, a kidney-shaped hole is formed in the first adjusting plate, a threaded section of the first adjusting bolt penetrates through the kidney-shaped hole to be in threaded connection with the first adjusting shaft, and the head of the first adjusting bolt presses on the first adjusting plate, so that the rear end of the stock partition plate is lifted by the two first adjusting plates and the two first adjusting bolts.

It is further preferred that a plurality of first legs 18 capable of adjusting the height are mounted on the bottom of each of the two support frames 12. Thus, by adjusting the height of the first leg 18, the two support frames 12 are at different heights, and the material storage partition 13 between the support frames 12 is inclined in the left-right direction. With the arrangement, because the lengths of the pipe joints are different and the storage positions of the pipe joints on the material storage partition plate 13 are different, the pipe joints can be conveniently taken out of the material storage partition plate 13 by the discharging mechanism, and the pipe joints can be deviated to the left or right side and aligned to one end of the pipe joints in the process that the pipe joints slide from the rear side of the material storage partition plate 13 to the discharging end of the front side of the material storage partition plate by adjusting the heights of the supporting frames 12 on the left and right sides.

In order to increase the cooling effect of the buffer rack and the connection effect between the support frame and the stock partition, this embodiment is preferable, as shown in fig. 4 and 5, the support frame 12 includes a rectangular frame 121 and a plurality of reinforcing plates 122, the plurality of reinforcing plates 122 are vertically disposed, the plurality of reinforcing plates 122 are fixedly connected with the rectangular frame 11, in order to ensure the stability of the connection between the stock partition 13 and the support frame 12, a plurality of connecting holes 123 are respectively formed in each reinforcing plate 122, the plurality of connecting holes 123 on each reinforcing plate 122 are vertically arranged, a plurality of connecting shafts are respectively rotatably installed at the left end and the right end of the stock partition 13, the connecting shafts are in one-to-one correspondence with the connecting holes 123, and the connecting shafts can slide along the connecting holes 123.

Further preferably, in order to facilitate the installation of the fan 11, a certain distance is ensured between the fan 11 and the pipe joint, and the cooling effect of the pipe joint is increased, so that a plurality of installation plates 15 are fixedly installed on the right side of the support frame 12 on the right side in the embodiment, the upper and lower ends of the installation plates 15 are bent leftward and are fixedly connected with the rectangular frame 121 of the support frame 12, and the plurality of fans 1 are installed on the support frame 12 through the installation plates 15.

Further preferably, the material storage partition 13 is a rectangular frame structure formed by fixedly connecting a plurality of longitudinal rods and transverse rods, as shown in fig. 6, the material storage partition 13 includes a plurality of support plates 131 for supporting pipe joints and a plurality of first connecting plates 132 for connecting the support plates 131 together, the support plates 131 are longitudinal rods, the first connecting plates 132 are transverse rods, the support plates 131 are arranged in the left-right direction, the first connecting plates 132 are arranged in the front-back direction, and the support plates 131 and the first connecting plates 132 are fixedly connected. Since the lengths, diameters, and other specifications of the plurality of pipe joints with cooling are different, it is preferable in this embodiment that the plurality of support plates 131 are gradually dense from left to right; therefore, the strength of the material storage partition plate can be guaranteed, a plurality of gaps can be reserved on the material storage partition plate 13, and the cooling effect of the cache frame 1 is improved. Further preferably, in order to prevent the pipe joint from slipping off the material storage partition plate 13, the material storage partition plate 13 further comprises two first material blocking plates 133 and a plurality of material blocking blocks 135, the two first material blocking plates 133 are respectively installed at the left end and the right end of the discharging end of the material storage partition plate 13, and the plurality of material blocking blocks 135 are respectively fixed at the front ends of the plurality of supporting plates 131.

In order to increase the installation stability of the storage partition 13, in this embodiment, preferably, friction plates 17 are installed on the rectangular frame 121 of each support frame 12, and the first striker plates 133 at the left and right ends of the storage partition 13 respectively abut against the two friction plates 17.

As shown in fig. 1, 2, 3 and 7, the feeding mechanism 2 includes a feeding frame 21, a feeding support plate 23 for preventing a pipe joint, and a feeding driving assembly 24 for driving the feeding support plate 23 to deliver the pipe joint to the material storage partition, the feeding frame 21 is fixedly connected to the rear end of the support frame 12 of the buffer frame 1 through a first connecting seat 22, the feeding support plate 23 is slidably mounted on the feeding frame 21 through a feeding driving frame 241, and the feeding driving assembly 24 can drive the feeding driving frame 241 to slide and drive the feeding support plate 23 to turn over.

In order to guarantee the stability of the motion of the feeding support plate 24, the feeding frame 21 comprises two feeding upright posts 211, the left and right directions of the two feeding upright posts 211 are arranged, the two feeding upright posts 211 are respectively fixedly connected with the rectangular frames 121 of the two support frames 12 of the buffer storage frame 1 through a plurality of first connecting seats 22, the top sections of the two feeding upright posts 211 are fixedly connected through a first cross beam 212, the two feeding driving frames 241 are respectively connected with the two feeding upright posts 211 in a sliding manner, the feeding support plate 23 is arranged between the two feeding driving frames 241, and then the feeding driving assembly 24 drives the feeding support plate 23 to move up and down along the feeding upright posts 211 through the two feeding driving frames 241.

Further preferably, as shown in fig. 7, 8 and 9, the feeding driving assembly 24 includes a first motor 242, a first transmission shaft 244, two first cylinders 249, two first gears 245 and two first racks 246; the feeding supporting plate 23 is fixedly provided with a second hinge shaft, two ends of the second hinge shaft are respectively hinged to the two feeding driving frames 241, one ends of the two first cylinders 249 are connected with the feeding supporting plate 23, the other ends of the two first cylinders 249 are connected with the two feeding driving frames 241 respectively, the first motor 242 is installed on one of the feeding driving frames 241 through the first installation frame 243, one end of the first transmission shaft 244 is connected with the first motor 242, the first transmission shaft 244 is rotatably connected with the two feeding driving frames 241 through a bearing, the two first gears 245 are installed on the first transmission shaft 244, the two first racks 246 are installed on the two feeding upright posts 211 respectively, and the two first gears 245 are meshed with the two first racks 246 respectively.

Further preferably, in order to improve the stability of the sliding of the feeding driving rack 241 on the feeding upright 211, as shown in fig. 7, 8 and 9, first sliding rails 248 are respectively fixed on the two feeding upright 211, first sliding blocks 247 are respectively fixed on both the two feeding driving racks 241, and the two first sliding rails 248 are respectively connected with the two first sliding blocks 247 in a sliding manner.

In order to ensure that the pipe joints cannot slide out of the loading support plate 23 when the loading support plate 23 moves, in this embodiment, as shown in fig. 10, the front end and the rear end of the loading support plate 23 are turned over upward, so that the middle section of the loading support plate 23 forms a concave accommodating space 231, and the left end and the right end of the loading support plate 23 are fixed with second baffle plates 232, so that the loading support plate 23 is in a tipping bucket shape, and the loading support plate 23 has a first tipping position for storing the pipe joints and a second tipping position for tipping the pipe joints. Meanwhile, in order to ensure that the pipe joint can be sent to the material storage partition plate 13, the length of the left and right directions of the material loading supporting plate 23 is preferably smaller than the distance between the first material blocking plates 133 on the left and right sides of the material storage partition plate 13; therefore, when the feeding supporting plate 23 moves up and down, the feeding supporting plate 23 is located on the rear side of the material storage partition plate 13, when the first cylinder 249 drives the feeding supporting plate 23 to turn over, the front end of the feeding supporting plate 23 swings downwards to the position above the material storage partition plate 13, and therefore a pipe joint is prevented from having a gap in the process of sliding from the feeding supporting plate 23 to the material storage partition plate 13, and the pipe joint is stably conveyed to the material storage partition plate 13.

Further preferably, as shown in fig. 9, in order to prevent the loading pallet from being turned over excessively, two limiting blocks 240 are fixedly mounted on each loading driving rack 241, one end of the second hinge shaft is located between the two limiting blocks 240 on one loading driving rack 241, and the other end of the second hinge shaft is located between the two limiting blocks 240 on the other loading driving rack 241.

In order to match the state that the buffer rack 1 inclines left and right, in the present embodiment, as shown in fig. 7 and 8, a plurality of second legs 25 capable of adjusting the height are respectively installed at the bottom of the two feeding columns 211.

The process that feed mechanism 2 carried the coupling to buffer memory frame 1 is: after the pipe joint is placed on the feeding support plate, the first motor 242 is started and drives the first transmission shaft 244 to rotate, the first transmission shaft 244 drives the first gear 245 to rotate, the first gear 245 moves along the first rack 246, the first gear 245 drives one end of each of the two feeding driving frames 241 through the first transmission shaft 244, the two feeding driving frames 241 drive the feeding support plate 23 to move through the second hinge shaft, when the feeding support plate 23 moves to a required height, the first motor 242 stops operating, and the first cylinder 249 pushes the feeding support plate 23 to turn over, so that the pipe joint slides to the corresponding material storage partition plate 13 along the feeding support plate 23; then first cylinder 249 drives material loading layer board 23 and resets, and first motor 242 drives material loading driving rack 241 resets, and material loading driving rack 241 drives material loading layer board 23 and resets.

As shown in fig. 1, 6, 11, 12, 13 and 14, the discharging mechanism 3 includes a discharging frame 31, a discharging driving assembly 34 and a comb tooth assembly 35, the discharging frame 31 is fixedly connected with the discharging end at the front side of the buffer frame 1 through a second connecting seat 32, the discharging driving assembly 34 includes a discharging driving frame 341, the discharging support plate 33 is slidably mounted on the discharging frame 31 through the discharging driving frame 241, the discharging driving assembly 34 drives the discharging driving frame 341 to slide up and down, the comb tooth assembly 35 includes a plurality of comb tooth plates 351, the comb tooth plates 351 are mounted at the rear end of the discharging support plate 33, a plurality of first material taking ports 134 are formed at the front end of each material storing partition plate 13, and the comb tooth plates 351 can penetrate through the first material taking ports 134 from bottom to lift up the pipe joints located at the front ends of the material storing partition plates 13, so that the pipe joints slide to the discharging support plate 33 along the comb tooth plates 351; thereby completing the fetching of the cache frame 1.

Because same material stock baffle 13 can be used for depositing the coupling of different specifications, further preferred, first material taking port 134 is intensive from a left side to the right side gradually, a plurality of fishback 351 and a plurality of first material taking port 134 one-to-one, a plurality of fishback 351 also are for setting up from a left side to the right side gradually intensively.

In order to make the operation of the discharging support plate more stable, in this embodiment, preferably, as shown in fig. 12, the discharging frame 31 includes two discharging columns 311, the two discharging columns 311 are arranged in the left and right directions, the two discharging columns 311 are connected by a second cross beam 312, and the two discharging columns 311 are respectively fixedly connected with the rectangular frames 121 of the two support frames 12 of the buffer frame 1 by second connecting seats 32; the number of the discharging driving frames 341 is two, the two discharging driving frames 341 are respectively in sliding fit with the two discharging upright columns 311, and the discharging supporting plate 33 is installed between the two discharging driving frames 341. Further, in order to make the sliding of the discharging pallet 33 more stable, the discharging driving assembly includes two second sliding blocks 346 and two second sliding rails 347, the two second sliding blocks 346 are respectively fixed on the two discharging driving racks 341, the two second sliding rails 347 are respectively fixed on the two discharging columns 311, and the second sliding blocks 346 are in sliding fit with the second sliding rails 347.

Further preferably, as shown in fig. 11 to 17, the discharging driving assembly 34 further includes a second motor 342, a second transmission shaft 344, two second gears 345 and two second racks 348, the second motor 342 is mounted on one of the discharging driving frames 341 through a second mounting bracket 343, one end of the second transmission shaft 344 is connected to the second motor 342, the second transmission shaft 344 is rotatably connected to the two discharging driving frames 341 through bearings, the two second gears 345 are mounted on the second transmission shaft 344, the two second racks 348 are respectively and fixedly mounted on the two discharging columns 311, and the two second gears 345 are respectively engaged with the two second racks 348. Further, a plurality of third support legs 37 capable of adjusting the height are mounted at the bottom of the two discharging upright columns 311.

In order to enable the comb plate 351 to take out pipe joints from the storage partition plates 13 with different heights, in the preferred embodiment, as shown in fig. 12 to 18, the comb plate 351 is slidably arranged at the rear end of the discharging supporting plate 33; the comb tooth assembly 35 further comprises a guide plate 354, a linkage plate 353 and a second cylinder 352, the guide plate 354 is fixedly mounted at the bottom of the discharging supporting plate 33, a plurality of sliding holes are formed in the guide plate 354, a plurality of comb plates 351 are in one-to-one correspondence with the plurality of sliding holes, a sliding portion 3512 protrudes from the bottom of the comb plates 351, the comb plates 351 and the guide plate 354 are in sliding connection with the sliding holes through the sliding portions 3512, the front ends of the comb plates 351 are fixed on the linkage plate 353, one end of the second cylinder 352 is connected with the discharging supporting plate 33, and the other end of the second cylinder 352 is connected with the linkage plate 353. Like this, when the material was got from material stock baffle 13 to needs, ejection of compact layer board 33 drove a plurality of fishback 351 and moved to corresponding position after, second cylinder 352 drive fishback 351 stretches out, and then takes out the coupling on the material stock baffle 13. In other embodiments, the discharging support plate 33 can be driven to move back and forth to achieve the above purpose and effect.

In order to make the comb plate 351 more accurate in the position when getting the material, in this embodiment, as shown in fig. 16 and 17, the discharging mechanism 3 further includes a fine adjustment assembly 36 for adjusting the front and rear positions of the discharging supporting plate 33, the fine adjustment assembly 36 includes two second adjusting plates 361, the two second adjusting plates 361 are respectively slidably mounted on the two discharging driving frames 341, the discharging supporting plate 33 is located between the two second adjusting plates 361, and two ends of the discharging supporting plate 33 are respectively connected with the two second adjusting plates 361. Further, the fine adjustment assembly 36 further includes two third adjustment plates 364, two third sliders 363, two third slide rails 362 and a plurality of second adjustment bolts 365, the two third sliders 363 are respectively installed on the two discharging driving frames 341, the two third slide rails 362 are respectively installed on the two second adjustment plates 361, the two third sliders 363 are respectively slidably connected with the two third slide rails 362, the two third adjustment plates 364 are respectively and fixedly installed on the two discharging driving frames 341, through holes are respectively opened on the two third adjustment plates 364, and one end of each of the plurality of second adjustment bolts 365 passes through the through hole on the two third adjustment plates 364 and is respectively in threaded connection with the two second adjustment plates 361. Through rotating second adjusting bolt 365 like this, change ejection of compact layer board 34 fore-and-aft direction's position, and then make discharge mechanism 3 when the ejection of compact, the position at fishback 351 place is more accurate.

In order to make the pipe joint automatically slide from the comb plate 351 to the front end of the discharging supporting plate 33 by self weight, the present embodiment preferably has the discharging supporting plate 33 obliquely arranged, the discharging supporting plate 33 is low in front and high in back, and then the pipe joint slides to the front of the discharging supporting plate 33 by self weight. Further preferably, a plurality of sliding openings 331 are opened at the front end of the discharging supporting plate 33, comb teeth portions 3511 are protruded on the comb plates 351, the comb teeth portions 3511 of the comb plates 351 correspond to the sliding openings 331 one by one, the sliding openings 331 are in sliding fit with the comb teeth portions 3511, and the top surfaces of the comb teeth portions 3511 are flush with the top surface of the discharging supporting plate.

Further preferably, in order to adapt to pipe joints with different specifications, the discharging supporting plate 33 is movably connected with the second adjusting plate 361, so that the inclination angle of the discharging supporting plate can be adjusted conveniently; the discharging supporting plate 33 is hinged to the second adjusting plates 361, the two second adjusting plates 361 are fixedly provided with fourth adjusting plates 366, the fourth adjusting plates 366 are provided with at least two third adjusting bolts 367 in a threaded connection mode, the third adjusting bolts 367 are located below the discharging supporting plate 33, and the third adjusting bolts 367 abut against the discharging supporting plate 33.

Further preferably, in the discharging process, as the pipe joint is firstly connected with the front end of the discharging supporting plate 33, in order to prevent the discharging supporting plate 33 from turning over in the process of taking out the pipe joint from the buffering frame 1, the rear side section of the discharging supporting plate 33 is hinged with two second adjusting plates 361, and the third adjusting bolt 367 abuts against the front side section of the discharging supporting plate; therefore, a lever structure with a long front and a short rear is formed by taking the hinged part of the discharging supporting plate 33 and the second adjusting plate 361 as a fulcrum, so that the front end of the discharging supporting plate 33 is automatically pressed down, and the stability of the discharging supporting plate 33 during discharging is ensured. Further, in order to improve the bearing capacity of the discharging supporting plate 33, a reinforcing plate 365 is fixedly mounted on each of the two second adjusting plates 361, the reinforcing plate 365 is located above the discharging supporting plate 33, a waist-shaped hole is formed in each reinforcing plate 365, and one end of each connecting bolt penetrates through the waist-shaped hole and is in threaded connection with the discharging supporting plate 33.

In order to prevent the pipe joint from slipping off the discharge support plate 33, third material blocking plates 333 are fixedly installed on the left side, the right side and the front side of the discharge support plate 33.

In this embodiment, the process of taking out the pipe joint by the discharging mechanism 3 is as follows: the second motor 342 drives the second gear 345 to rotate through the second transmission shaft 344, the second gear 345 drives the second motor 342 and the discharging driving rack 341 to move along the second rack 348 through the second transmission shaft 344, the discharging driving rack 341 drives the discharging supporting plate 33 to move upwards through the second adjusting plate 361, when the pipe joint is reached to the material storage partition plate 13, the second cylinder 352 drives the comb plate 351 to extend through the linkage plate 353, the second motor 342 continues to drive the discharging supporting plate 33 to move upwards, the comb plate 351 passes through the first material taking port 134 from the lower part of the first material taking port 134 to lift the pipe joint on the material storage partition plate 13, when the height of the pipe joint is higher than the material blocking block 135 at the front end of the material storage partition plate 13, the pipe joint is separated from the material storage partition plate 13, the pipe joint slides to the material discharging supporting plate 33 along the comb plate 351, the second cylinder 352 drives the comb plate 351 to reset, and the second motor 342 drives the discharging supporting plate 33 to reset.

As shown in fig. 20, 21, 22, the conveyor mechanism 4 includes a conveyor mounting frame 41, a take-off assembly 43 for taking off the pipe joints on the outfeed tray 33, a moving assembly 42 for bringing the pipe joints to a uniform position, and a proximity switch 44.

Preferably, the moving assembly 42 includes a third motor 424 and a plurality of rollers 421, the plurality of rollers 421 form a roller group, the rollers 421 are rotatably mounted on the conveying mounting frame 41 through roller shafts 422, an intermediate section of each roller 421 is recessed inward to form a limiting space for bearing and limiting the position of the pipe joint, chain wheels 423 are mounted on the roller shafts 422 of the rollers 421, the plurality of chain wheels 423 are driven by chains, the third motor 424 can drive one of the chain wheels 423 to further drive the roller shafts 422 to rotate, the proximity switch 44 is mounted on the conveying mounting frame, and the rollers 421 drive the pipe joint to move through friction force; when the coupler abuts the proximity switch 44, the third motor 424 stops and the proximity switch 44 informs the robot via the host that it is going to grab. Further, a fifth material baffle is fixedly mounted on the mounting frame, and the fifth material baffle 411 is located on the front side of the moving assembly 42, so that the pipe joint is prevented from sliding out of the conveying mounting frame.

The material taking assembly 43 comprises a plurality of material taking frames 431 and a plurality of third cylinders 432, each material taking frame 431 is triangular, the tip end of each material taking frame 431 is arranged upwards, the plurality of material taking frames 431 are arranged on the conveying mounting frame in a sliding mode, one end of each third cylinder 432 is connected with the conveying mounting frame, the other end of each third cylinder 432 is connected with the corresponding material taking frame 431, a plurality of second material taking holes 332 are formed in the front end of the discharging supporting plate 33, and the plurality of second material taking holes 332 correspond to the plurality of material taking frames 431 one to one. Further, a plurality of material taking slide rails 436 are mounted on the conveying mounting frame, a material taking slide block is fixedly mounted at the bottom of the material taking frame 431, and the material taking slide rails 436 are in sliding fit with the material taking slide block. The removed coupler slides forward from the ramp 4311 of the pick-up rack 431 onto the roller 421, and the roller 431 rotates to drive the coupler closer to the proximity switch 44. Further, in order to guarantee that a plurality of material taking frames 431 move synchronously, the plurality of material taking frames 431 are fixed on the same synchronizing rod 433, one end of a third cylinder 432 is connected with the conveying mounting frame, and the other end of the third cylinder 432 is connected with the synchronizing rod 433. The material taking process comprises the following steps: the pipe joint is driven by the discharging support plate 33 to move downwards, the third cylinder 432 drives the material taking frame 431 to move backwards, the material taking frame 431 is wiped to be inserted into the second material taking hole 332 from bottom to top and penetrate through the second material taking hole 332, the slope 4311 at the front end of the material taking frame 431 and the third material baffle plate 333 at the front end of the discharging support plate 33 jointly support the pipe joint, the discharging support plate 33 continuously moves downwards to enable the pipe joint to be gradually separated from the discharging support plate 33, and the pipe joint slides onto the roller 421 along the slope 4311 at the front end of the material taking frame 431.

In order to ensure that the pipe joint smoothly slides to the limiting space of the roller, in this embodiment, preferably, a fourth material baffle 435 extending upwards is installed at the front end of the material taking frame 431, and the fourth material baffle 435 is fixedly connected with the front end of the material taking frame 431 through a second connecting plate 434. Like this, drive fourth striker plate 435 when getting work or material rest 431 and remove, when the coupling slided backward along domatic 4311 of getting work or material rest 431 front end, fourth striker plate 435 can prevent that the coupling from continuing to move, prevents because coupling inertia roll-off gyro wheel 421, and then reinforcing device's stability.

The front side section of the cache frame 1 is a discharge end, the rear side of the cache frame is a feed end, the front side of the discharge mechanism is a discharge end, the rear side section of the discharge mechanism is a feed end, the front side of the conveying mechanism is a discharge end, and the rear side of the conveying mechanism is a feed end. The header long pipe joint generally adopts alloy material with thicker thickness, the surface temperature needs longer period of time from high temperature cooling to normal temperature after heating, and in the automatic processing process of the header long pipe elbow joint, all devices need uninterrupted cooperative work to ensure the production efficiency.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (10)

1. The utility model provides a discharge mechanism which characterized in that: the discharge mechanism is used for taking out the pipe joints stored on the cache frame, the cache frame (1) comprises two support frames (12) and a plurality of material storage partition plates (13) used for placing the pipe joints, the material storage partition plates (13) are arranged in the vertical direction, and the material storage partition plates (13) are all arranged between the two support frames (12); the discharge mechanism (3) comprises a discharge frame (31), a discharge supporting plate (33) for supporting the pipe joint, a discharge driving assembly (34) for driving the discharge supporting plate (33) to move and a comb tooth assembly (35) for taking the pipe joint out of the storage partition plate (13), the discharge frame (31) is arranged on the front side of the buffer storage frame (1), the discharge frame (31) comprises two discharge upright columns (311), the two discharge upright columns (311) are connected through a discharge cross beam (312), the discharge driving assembly (34) comprises two discharge driving frames (341), the two discharge driving frames (341) are respectively installed on the two discharge upright columns (311) in a sliding manner, and the discharge supporting plate (33) is installed and arranged between the two discharge driving frames (341); the comb tooth assembly (35) comprises a plurality of comb tooth plates (351), and the comb tooth plates (351) are all installed at the rear end of the discharging supporting plate (33); the front end of material storage baffle (13) begins to have a plurality of first material mouths (134) of getting, a plurality of first material mouths (134) of getting and a plurality of fishback (351) one-to-one, when ejection of compact drive assembly (34) drive ejection of compact layer board (33) through ejection of compact drive frame (341) and move along ejection of compact stand (311), ejection of compact layer board (33) can drive fishback (351) and upwards pass first material mouth (134) of getting from the follow, lift up the coupling of material storage baffle (13) front end, make the coupling remove to ejection of compact layer board (33) on.

2. A discharge mechanism according to claim 1, wherein: the discharging driving assembly (34) further comprises a second motor (342), a second transmission shaft (344), two second gears (345) and two second racks (348), the second motor (342) is mounted on one of the discharging driving frames (341) through a second mounting frame (343), one end of the second transmission shaft (344) is connected with the second motor (342), the second transmission shaft (344) is rotatably connected with the two discharging driving frames (341) through a bearing, the two second gears (345) are mounted on the second transmission shaft (344), the two second racks (348) are respectively and fixedly mounted on the two discharging upright columns (311), and the two second gears (345) are respectively meshed with the two second racks (348).

3. A discharge mechanism according to claim 1, wherein: broach subassembly (35) still includes deflector (354), linkage plate (353) and second cylinder (352), deflector (354) fixed mounting is in the bottom of ejection of compact layer board (33), a plurality of holes of sliding have been seted up on deflector (354), a plurality of fishback (351) and a plurality of holes one-to-one that slides, the bottom arch of fishback (351) has the portion of sliding (3512), fishback (351) and deflector (354) are through the portion of sliding (3512) and the hole sliding connection that slides, the front end of a plurality of fishback (351) is all fixed on linkage plate (353), the one end of second cylinder (352) links to each other with ejection of compact layer board (33), the other end of second cylinder (352) links to each other with linkage plate (353).

4. A discharge mechanism according to claim 1, wherein: the automatic discharging device is characterized by further comprising a fine adjustment assembly (36) used for adjusting the front position and the rear position of the discharging supporting plate (33), wherein the fine adjustment assembly (36) comprises two second adjusting plates (361), the two second adjusting plates (361) are respectively installed on the two discharging driving frames (341) in a sliding mode, the discharging supporting plate (33) is located between the two second adjusting plates (361), and two ends of the discharging supporting plate (33) are respectively connected with the two second adjusting plates (361).

5. A discharge mechanism according to claim 4, wherein: the fine adjustment assembly (36) further comprises two third adjustment plates (364), two third sliders (363), two third slide rails (362) and a plurality of second adjustment bolts (365), the two third sliders (363) are respectively installed on the two discharging driving frames (341), the two third slide rails (362) are respectively installed on the two second adjustment plates (361), the two third sliders (363) are respectively in sliding connection with the two third slide rails (362), the two third adjustment plates (364) are respectively and fixedly installed on the two discharging driving frames (341), through holes are formed in the two third adjustment plates (364), and one ends of the second adjustment bolts (365) penetrate through the through holes in the two third adjustment plates (364) respectively and are in threaded connection with the two second adjustment plates (361) respectively.

6. The discharge mechanism of claim 4, wherein: the discharging supporting plate is obliquely arranged; the discharging supporting plate (33) is movably connected with the second adjusting plate (361), so that the inclination angle of the discharging supporting plate can be adjusted conveniently; the discharging supporting plate (33) is hinged to the second adjusting plates (361), the two second adjusting plates (361) are fixedly provided with fourth adjusting plates (366), the fourth adjusting plates (366) are connected with at least two third adjusting bolts (367) in a threaded mode, the third adjusting bolts (367) are located below the discharging supporting plate (33), and the third adjusting bolts (367) are abutted to the discharging supporting plate (33).

7. A discharge mechanism according to claim 1, wherein: the pipe joint gripping device is characterized by further comprising a conveying mechanism (4) used for aligning the pipe joints, wherein the conveying mechanism (4) is arranged on the front side of the discharging rack (31), the conveying mechanism (4) comprises a moving assembly (42) used for moving the pipe joints, a material taking assembly (43) and a proximity switch (44) used for moving the pipe joints on the discharging supporting plate (33) to the moving assembly (42), the material taking assembly (43), the moving assembly (42) and the proximity switch (44) are all installed on the third mounting rack (41), and when the moving assembly (42) drives the pipe joints to be connected with the proximity switch (44), the pipe joints stop moving and are informed to be gripped by the main machine.

8. A discharge mechanism according to claim 7, wherein: the moving assembly (42) comprises a plurality of rollers (421) and a third motor (424) for driving the rollers (421) to rotate, and the rollers (421) are rotatably mounted on the third mounting frame (41) through roller shafts (422); the material taking assembly (43) comprises a plurality of material taking frames (431) and a third air cylinder (432) for driving the material taking frames (431) to slide, the plurality of material taking frames (431) are all slidably mounted on a third mounting frame (41), the material taking frames (431) are triangular, and the tips of the material taking frames (431) are arranged upwards; a plurality of second material taking ports (332) are arranged at the front end of the discharging supporting plate (33), and the second material taking ports (332) correspond to the material taking frames (431) one by one; when the third cylinder (432) drives the material taking frame (431) to move backwards, the material taking frame (431) can upwards penetrate through the second material taking hole (332), so that the pipe joint slides to the roller (421) along the inclined surface (4311) on the front side of the material taking frame (431).

9. A discharge mechanism according to claim 8, wherein: the middle section of the roller (421) is inwards sunken to form a limiting space for bearing and limiting the position of the pipe joint; a fourth material baffle (435) extending upwards is fixed at the front end of the material taking frame (431).

10. The utility model provides a full-automatic buffer memory unloader on collection case long tube return bend which characterized in that: comprising a discharge mechanism according to any of the preceding claims 1-9.

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