CN219546017U - Feeding device for pipe fitting - Google Patents

Abstract

The utility model provides a feeding device for pipe fittings, which comprises a feeding frame, a retractable lifting piece, pulleys, pulley shafts, turntables, turntable shafts, retractable driving pieces, a first temporary storage groove, a first swinging shaft, a swinging piece, a first driving component, a second temporary storage groove, a second swinging shaft, a transmission gear, a lifting rack, a second driving component, a third temporary storage groove, a third swinging shaft, a stirring piece and a third driving component, wherein the feeding frame is provided with a storage groove, the pulley shafts are rotatably arranged on the feeding frame and positioned on one side of the storage groove, a plurality of pulley shafts are arranged on the pulley shafts at intervals, the turntable shafts are rotatably arranged on the feeding frame, the turntable shafts are arranged below the pulley shafts in parallel, a plurality of turntable shafts are fixed on the turntable shafts at intervals, one ends of the retractable lifting pieces are fixed on the feeding frame at intervals and positioned on the other side of the storage groove, and the other ends of the retractable lifting pieces bypass the corresponding pulleys and are wound and fixed on the turntables corresponding to the receiving pieces. The feeding device can realize batch conveying of copper pipes and improve conveying efficiency of the copper pipes.

Description

Feeding device for pipe fitting

Technical Field

The utility model relates to the technical field of copper pipe detection, in particular to a feeding device for pipe fittings.

Background

Copper pipe is the most core energy-saving component in the central air conditioning unit. After the copper pipe is manufactured, pressure test and flaw detection are respectively carried out through a pressure test machine and a flaw detector so as to ensure the tightness of the pipe wall. At present, when the traditional pressure testing machine is used for copper pipe feeding detection, batch copper pipe conveying cannot be realized, and the technical problems of excessive dependence on manual operation, high labor intensity of workers and low conveying efficiency exist.

Disclosure of Invention

In view of the technical problems, the utility model provides the feeding device for the pipe fitting, which is easy to realize batch conveying of copper pipes, can reduce the labor intensity of workers and improves the conveying efficiency of the copper pipes.

The utility model adopts the technical scheme that:

the utility model provides a feeding device for pipe fittings, which comprises a feeding frame, a retractable lifting part, pulleys, pulley shafts, turntables, turntable shafts, retractable driving parts, a first temporary storage groove, a first swinging shaft, swinging parts, a first driving component, a second temporary storage groove, a second swinging shaft, a transmission gear, a lifting rack, a second driving component, a third temporary storage groove, a third swinging shaft, a toggle part and a third driving component, wherein the feeding frame is provided with the retractable groove, the pulley shafts are rotatably arranged on the feeding frame and positioned at one side of the retractable groove, a plurality of pulleys are arranged on the pulley shafts at intervals, the turntable shafts are rotatably arranged on the feeding frame and are close to the bottom of the retractable groove, the turntable shafts are arranged below the pulley shafts in parallel, the turntable shafts are fixed on the turntable shafts at intervals, the retractable driving parts are used for rotating the turntable shafts, one ends of the retractable lifting parts are fixed on the feeding frame at intervals and positioned at the other side of the retractable groove, the other ends of the retractable lifting parts bypass the corresponding pulleys respectively, the plurality of the turntables are wound and fixed on the corresponding turntables, the intermediate positions of the retractable lifting parts are connected with the first swinging shafts and the copper pipes and are arranged between the copper pipes, the first temporary storage part and the copper pipes are rotatably arranged on the first temporary storage groove, the turntable shafts are rotatably arranged on the first temporary storage shaft and the second temporary storage groove, the first temporary storage part is rotatably arranged on the first temporary storage shaft and the second swinging part is arranged on the second temporary storage groove, the first temporary storage part is rotatably arranged on the first temporary storage shaft and is arranged on the second temporary storage groove, the first temporary storage part and is rotatably arranged on the first temporary storage shaft and close to the first temporary storage part, and fixed part and is arranged on the second temporary storage part. Each transmission gear is correspondingly engaged with and provided with a lifting rack, each lifting rack is arranged at the bottom of the second temporary storage groove in a lifting manner, the second driving assembly is used for driving the second pendulum shaft to positively and negatively rotate so as to drive the lifting racks to gradually lift the copper tubes in the second temporary storage groove to the third temporary storage groove, the third temporary storage groove is arranged on the feeding frame and is close to the second temporary storage groove, the third pendulum shaft is rotationally connected to the feeding frame and is positioned below the third temporary storage groove, the plurality of stirring pieces are fixed on the third pendulum shaft at intervals, and the third driving assembly is used for driving the third pendulum shaft to positively and negatively rotate so as to drive the plurality of stirring pieces to convey the copper tubes in the third temporary storage groove one by one.

Further, the device comprises an alignment device for aligning one end of the copper pipe conveyed out of the third temporary storage groove.

Further, the alignment device comprises guide wheels, an alignment plate and an alignment driving mechanism, wherein a plurality of guide wheels are rotatably arranged on the feeding frame at intervals to form a guide groove for pushing the copper pipe to move along the axial direction of the guide groove, the alignment plate is arranged at one end of the guide groove so as to enable the end face of the copper pipe moving along the axial direction to abut against the alignment plate for alignment, and the alignment driving mechanism is arranged on the feeding frame so as to drive each guide wheel to rotate and convey the copper pipe.

Further, the winding and unwinding lifting piece adopts a flexible belt or rope.

Further, the first temporary storage groove is formed into an inclined V-shaped groove by matching a bottom plate and a stop block which are fixed on the feeding frame.

Further, the swinging piece is of a sector structure, and the copper pipe in the first temporary storage groove is supported on the upper inclined surface of the sector structure and slides into the second temporary storage groove along the upper inclined surface.

Further, the first driving assembly comprises a first telescopic driving piece and a swing arm, the bottom end of the first telescopic driving piece is hinged to the feeding frame, the telescopic end of the first telescopic driving piece is hinged to one end of the swing arm, and the other end of the swing arm is fixed to the first swing shaft.

Further, the second temporary storage groove is formed into an inclined V-shaped groove by matching an inclined block fixed on the feeding frame with a vertical plate, the vertical plate and the lifting rack are both arranged perpendicular to a horizontal plane, and the top end of the lifting rack forms an inclined plane for lifting the copper pipe along the vertical plate.

Further, the second driving assembly comprises a second telescopic driving piece and a driving rack, the second telescopic driving piece is horizontally fixed on the feeding frame, one end of the driving rack is connected to the telescopic end of the second telescopic driving piece, the driving rack is arranged on the guide rail of the feeding frame in a sliding mode, and a driven gear meshed with the driving rack is fixed on the second swing shaft.

Further, the poking piece is in a hook shape and is provided with a groove.

The utility model has the beneficial effects that:

compared with the prior art, the feeding device can form an accommodating space through the accommodating groove and the plurality of accommodating lifting pieces, a plurality of copper pipes can be placed in the accommodating space, the accommodating driving piece can drive the turntable shaft and the turntable to rotate and drive the pulley shaft and the pulley to correspondingly rotate, the accommodating lifting pieces are continuously wound on the turntable, the accommodating lifting pieces gradually lift the plurality of copper pipes until the accommodating lifting pieces are straightened to incline towards the first temporary storage groove, the accommodating driving piece stops running, a part of copper pipes on the accommodating lifting pieces roll into the first temporary storage groove, and the residual copper pipes on the accommodating lifting pieces drop into the accommodating groove under the gravity action of the counterweight pieces and the copper pipes to wait for the next lifting action. The first swinging shaft is driven to rotate through the first driving assembly, the plurality of swinging pieces are driven to rotate a plurality of copper pipes in the first temporary storage groove into the second temporary storage groove, the second swinging shaft and the transmission gear are driven to rotate through the second driving assembly, and the lifting rack is driven to eject the copper pipes one by one from the bottom of the third temporary storage groove, so that a large bundle of copper pipes are separated into small bundles of copper pipes, the small bundles of copper pipes are separated into one copper pipe, batch conveying of the copper pipes is facilitated, the conveying efficiency of the copper pipes is improved, and positioning of each copper pipe in the subsequent working procedure is facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings of which there are shown,

fig. 1: the utility model relates to a perspective view of an automatic pressure test and flaw detection integrated machine;

fig. 2: the utility model relates to a front view of an automatic pressure test and flaw detection integrated machine;

fig. 3: the utility model relates to a top view of an automatic pressure test and flaw detection integrated machine;

fig. 4: the utility model relates to a side view of an automatic pressure test and flaw detection integrated machine;

fig. 5: the utility model relates to a perspective view of a feeding device of an automatic pressure test and flaw detection integrated machine;

fig. 6: the utility model relates to a side view of a feeding device of an automatic pressure test and flaw detection integrated machine;

fig. 7: the utility model relates to a use state diagram of a feeding device of an automatic pressure test and flaw detection integrated machine;

fig. 8: the feeding device of the automatic pressure test and flaw detection integrated machine is a side view after a feeding frame is removed;

fig. 9: the feeding device of the automatic pressure test and flaw detection integrated machine is a top view after a feeding frame is removed;

fig. 10: the utility model relates to a perspective view of an arrangement device of an automatic pressure test and flaw detection integrated machine;

fig. 11: the utility model relates to a side view of an arrangement device of an automatic pressure test and flaw detection integrated machine;

Fig. 12: the utility model relates to a perspective view of a loading and unloading carrying device of an automatic pressure test and flaw detection integrated machine;

fig. 13: the utility model relates to a front view of a loading and unloading carrying device of an automatic pressure test and flaw detection integrated machine;

fig. 14: the utility model relates to a side view of a loading and unloading carrying device of an automatic pressure test and flaw detection integrated machine;

fig. 15: the utility model relates to a perspective view of a feeding clamping mechanism of an automatic pressure test and flaw detection integrated machine;

fig. 16: the utility model relates to a perspective view of a feeding clamping jaw of an automatic pressure test and flaw detection integrated machine;

fig. 17: the utility model relates to a front view of a feeding clamping jaw of an automatic pressure test and flaw detection integrated machine;

fig. 18: the utility model relates to a top view of a feeding clamping jaw of an automatic pressure test and flaw detection integrated machine;

fig. 19: the utility model relates to a perspective view of a blanking clamping mechanism of an automatic pressure test and flaw detection integrated machine;

fig. 20: the utility model relates to a front view of a blanking clamping mechanism of an automatic pressure test and flaw detection integrated machine;

fig. 21: the utility model relates to a perspective view of a pressure testing device of an automatic pressure testing and flaw detecting integrated machine;

fig. 22: the utility model relates to a side view of a pressure testing device of an automatic pressure testing and flaw detecting integrated machine;

fig. 23: the utility model relates to a side view of a locating clamp of an automatic pressure test and flaw detection integrated machine;

fig. 24: the utility model relates to a three-dimensional drawing of a jacking driving piece and an air inlet sliding block of an automatic pressure test and flaw detection integrated machine;

Fig. 25: the utility model relates to a perspective view of a transfer device of an automatic pressure test and flaw detection integrated machine;

fig. 26: the utility model relates to a top view of a transfer device of an automatic pressure test and flaw detection integrated machine;

fig. 27: the utility model relates to a side view of a transfer device of an automatic pressure test and flaw detection integrated machine;

fig. 28: the utility model relates to a three-dimensional view of a jacking swing mechanism of an automatic pressure test and flaw detection integrated machine;

fig. 29: the utility model relates to a side view of a jacking swing mechanism of an automatic pressure test and flaw detection integrated machine;

fig. 30: the utility model relates to a use state diagram of a jacking swing mechanism of an automatic pressure test and flaw detection integrated machine.

Reference numerals: feeding device 1, arrangement device 2, loading and unloading handling device 3, pressure test device 4, transfer device 5, feeding frame 101, retraction lifting member 102, pulley 103, pulley shaft 104, turntable 105, turntable shaft 106, retraction driving member 107, first temporary storage groove 108, first pendulum shaft 109, swinging member 110, first driving assembly 111, second temporary storage groove 112, second pendulum shaft 113, transmission gear 114, lifting rack 115, second driving assembly 116, third temporary storage groove 117, third pendulum shaft 118, toggle member 119, third driving assembly 120, alignment device 121, storage groove 1010, first telescopic driving member 1111, swinging arm 1112, second telescopic driving member 1161, driving rack 1162, third telescopic driving member 1201, moment arm 1202, guide pulley 1211, alignment plate 1212, alignment driving mechanism 1213, alignment motor 12131, driving pulley 12132, driven pulley 12133, transmission belt 12134, bracket 1214, arrangement frame 21, support 22, chain 23, alignment motor 12131, driving pulley 12132, and storage belt 12133 positioning base 24, carrier 31, feeding and holding mechanism 32, discharging and holding mechanism 33, feeding and translating assembly 321, feeding and lifting assembly 322, feeding and clamping claw 323, feeding and translating slide rail 3211, first sliding base 3212, pulley 3213, synchronous belt 3214, feeding and translating motor 3215, first adjusting mechanism 34, first guide rail 341, first rack 342, first gear 343, first adjusting base 345, adjusting hand wheel 346, feeding and lifting cylinder 3221, linear bearing 3222, guide shaft 3223, fixed block 3231, fixed clamping plate 3232, guide 3233, movable clamping plate 3234, sliding frame 3235, clamping jaw telescopic driving member 3236, feeding and fixing frame 331, feeding and translating assembly 332, feeding and lifting assembly 333, feeding and clamping jaw 334, feeding and translating slide rail 3321, feeding and sliding base 3322, feeding and telescopic driving member 3323, water tank 41, cross beam 42, lifting driving member 43, jacking driving member, air intake slider 45, feeding and lifting driving member, the pipe axial conveying mechanism 55, the lifting driving piece 531, the lifting frame 532, the swinging driving piece 533, the swinging discharging frame 534, the lifting guide mechanism 535, the discharging rod 5341, the stop lever 5342, the bearing bracket 541, the transmission shaft 542, the separating wheel 543, the separating motor 544 and the roller 551 are arranged on the base 471, the pressing plate 472, the pressing driving piece 473, the transfer frame 51, the supporting roller 52, the lifting swinging mechanism 53, the separating mechanism 54, the pipe axial conveying mechanism 55, the lifting driving piece 531, the lifting frame 532, the swinging driving piece 533, the swinging discharging frame 534, the lifting guide mechanism 535.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 4, the utility model provides an automatic pressure test and flaw detection integrated machine, which comprises a feeding device 1, a distributing device 2, a loading and unloading carrying device 3, a pressure test device 4, a transferring device 5 and a flaw detector. The feeding device 1 is used for stacking and storing a plurality of copper pipes and conveying the copper pipes to the arrangement device 2 one by one for arrangement. The arrangement device 2 is arranged at the discharge end of the feeding device 1, so as to receive copper pipes one by one and perform parallel interval arrangement. The upper and lower material handling device 3 is erected above the arranging device 2, the transferring device 5 and the pressure testing device 4 which are sequentially arranged, so that a plurality of copper pipes which are arranged on the grabbing arranging device 2 at intervals are transferred to the pressure testing device 4 for pressure testing and the copper pipes after pressure testing and detecting are transferred to the transferring device 5, and the transferring device 5 is used for axially conveying the copper pipes after pressure testing and detecting to a flaw detector along the axial direction of the copper pipes for flaw detection by the flaw detector.

According to the automatic pressure test and flaw detection integrated machine provided by the utility model, the feeding device 1, the arrangement device 2, the loading and unloading carrying device 3, the pressure test device 4, the transfer device 5 and the flaw detector are matched, and batch conveying of copper pipes to the arrangement device 2 can be realized through the feeding device 1, so that the conveying efficiency of the copper pipes is improved; the arrangement device 2 is used for arranging the conveyed copper pipes at intervals in parallel, the upper and lower material conveying devices 3 are favorable for grabbing a plurality of copper pipes which are arranged at intervals in parallel and transferring the copper pipes to the pressure testing device 4 for pressure testing, the pressure testing device 4 is used for transferring the copper pipes subjected to pressure testing to the transfer device 5 after the pressure testing by the upper and lower material conveying devices 3, and the transfer device 5 is used for axially conveying the copper pipes subjected to pressure testing to the flaw detector along the copper pipe, so that flaw detection is conducted on the copper pipes by the flaw detector. Through the series of procedures, the automatic connection of the two procedures of pressure test and flaw detection of the copper pipe is realized, the detection efficiency is improved, and the labor intensity of workers is reduced.

In this embodiment, as shown in fig. 5 to 9, the feeding device 1 includes a feeding frame 101, a retractable lifting member 102, a pulley 103, a pulley shaft 104, a turntable 105, a turntable shaft 106, a retractable driving member 107, a first temporary storage groove 108, a first swing shaft 109, a swing member 110, a first driving assembly 111, a second temporary storage groove 112, a second swing shaft 113, a transmission gear 114, a lifting rack 115, a second driving assembly 116, a third temporary storage groove 117, a third swing shaft 118, a toggle member 119, a third driving assembly 120, and an alignment device 121. The feeding frame 101 is formed with a receiving groove 1010, a pulley shaft 104 is rotatably mounted on the feeding frame 101 and located at one side of the receiving groove 1010, the pulley shaft 104 extends along the extending direction of the receiving groove 1010, and a plurality of pulleys 103 are mounted on the pulley shaft 104 at intervals. The turntable shaft 106 is rotatably mounted on the feeding frame 101 and is close to the bottom of the accommodating groove 1010, the turntable shaft 106 is arranged below the pulley shaft 104 in parallel, the plurality of turntables 105 are fixed on the turntable shaft 106 at intervals, and the accommodating driving piece 107 is used for rotating the turntable shaft 106. One end of each of the plurality of retractable lifting pieces 102 is fixed on the feeding frame 101 at intervals and positioned on the other side of the storage groove 1010, the other end of each of the plurality of retractable lifting pieces 102 bypasses the corresponding pulley 103 and is wound and fixed on the corresponding turntable 105, and a counterweight is connected to the middle position of each of the plurality of retractable lifting pieces 102 positioned between the pulley 103 and the turntable 105 so that the plurality of retractable lifting pieces 102 sag in the storage groove 1010 under the action of gravity of the counterweight to form an accommodating space for accommodating the copper pipe. The height of the pulley 103 is higher than the fixed connection point of the retractable lifting piece 102 and the feeding frame 101, so that the turntable 105 rotates to wind the retractable lifting piece 102, the retractable lifting pieces 102 between the pulley 103 and the turntable 105 are straightened into an inclined state, and therefore copper pipes on the retractable lifting pieces 102 are rolled into the first temporary storage groove 108. The first temporary storage groove 108 is arranged on the feeding frame 101 and is close to the fixed connection position between the retractable lifting piece 102 and the feeding frame 101, the first swinging shaft 109 is rotatably arranged on the feeding frame 101 and is positioned below the first temporary storage groove 108, the first driving component 111 is used for driving the first swinging shaft 109 to rotate positively and negatively, and the swinging pieces 110 are fixed on the first swinging shaft 109 at intervals so as to swing copper pipes in the first temporary storage groove 108 into the second temporary storage groove 112. The second temporary storage groove 112 is arranged on the feeding frame 101 and is close to the first temporary storage groove 108, the second swinging shaft 113 is rotatably arranged on the feeding frame 101 and is positioned below the second temporary storage groove 112, the second swinging shaft 113 is arranged in parallel with the first swinging shaft 109, a plurality of transmission gears 114 are fixed on the second swinging shaft 113 at intervals, each transmission gear 114 is correspondingly meshed with one lifting rack 115, each lifting rack 115 is arranged at the bottom of the second temporary storage groove 112 in a lifting manner, the second driving assembly 116 is used for driving the second swinging shaft 113 to rotate positively and negatively so as to drive the lifting racks 115 to lift copper tubes in the second temporary storage groove 112 to the third temporary storage groove 117 one by one. The third temporary storage groove 117 is arranged on the feeding frame 101 and is close to the second temporary storage groove 112, the third swinging shaft 118 is rotatably connected to the feeding frame 101 and is positioned below the third temporary storage groove 117, the plurality of stirring pieces 119 are fixed on the third swinging shaft 118 at intervals, the third driving assembly 120 is used for driving the third swinging shaft 118 to rotate positively and negatively so as to drive the plurality of stirring pieces 119 to stir copper pipes in the third temporary storage groove 117 into the alignment device 121 one by one for alignment, and the alignment device 121 is used for aligning one end of each copper pipe at a reference position.

This material feeding unit 1 can form accommodation space through accomodating groove 1010 and many receipts and releases lifting member 102 cooperations, can put into this accommodation space with many copper pipes, can drive carousel axle 106 and carousel 105 through receive and release driving member 107 and rotate, and drive pulley shaft 104 and pulley 103 and correspond the rotation, receive and releases lifting member 102 constantly twine on carousel 105, receive and releases lifting member 102 and rise many copper pipes gradually until receive and releases lifting member 102 is straight to incline to be directed towards first temporary storage groove 108, receive and releases driving member 107 stop operation, receive and release partial copper pipe on lifting member 102 rolls into in the first temporary storage groove 108, receive and release surplus copper pipe on lifting member 102 drops to accomodate the inslot 1010 in order to wait to carry out the lifting action next time under counter weight and copper pipe self gravity. The first swinging shaft 109 is driven to rotate through the first driving component 111, the plurality of swinging pieces 110 are driven to rotate a plurality of copper pipes in the first temporary storage groove 108 into the second temporary storage groove 112, the second swinging shaft 11 and the transmission gear 114 are driven to rotate through the second driving component 116, and the lifting rack 115 is driven to eject the copper pipes one by one from the bottom of the third temporary storage groove 117, so that a large bundle of copper pipes are separated into small bundles of copper pipes, and then the small bundles of copper pipes are separated into one copper pipe, batch conveying of the copper pipes is facilitated, conveying efficiency of the copper pipes is improved, and positioning of each copper pipe in subsequent working procedures is facilitated.

In this embodiment, the feeding frame 101 has a step-like structure, so as to gradually raise the copper tube in the receiving slot 1010 to a specified height. In order to facilitate the manufacturing and assembly, the feeding frame 101 is divided into two sections, the retractable driving member 107 is disposed between the two sections of feeding frames 101, an output shaft of the retractable driving member 107 is in driving connection with the turntable shaft 106, and the retractable driving member 107 can drive the turntable shaft 106 to rotate by adopting a motor.

In this embodiment, the retractable lifting member 102 is a flexible belt. The retractable lifter 102 may be a pulling member such as a rope.

In this embodiment, the first temporary storage groove 108 is an inclined V-shaped groove formed by the cooperation of a bottom plate and a stopper fixed on the feeding frame 101.

In this embodiment, the swinging member 110 is optionally a sector structure, and the copper tube in the first temporary storage slot 108 is supported on the upper inclined surface of the sector structure and slides into the second temporary storage slot 112 along the upper inclined surface.

In this embodiment, the first driving component 111 includes a first telescopic driving member 1111 and a swing arm 1112, wherein the bottom end of the first telescopic driving member 1111 is hinged to the feeding frame 101, the telescopic end of the first telescopic driving member 1111 is hinged to one end of the swing arm 1112, and the other end of the swing arm 1112 is fixed to the first swing shaft 109. The telescopic action of the first telescopic driving piece 1111 can drive the first pendulum shaft 109 to rotate positively and negatively through the swing arm 1112, so that the structure is simple, the realization is easy, and the telescopic action is suitable for repeated conveying of copper pipes. The first telescopic driving member 1111 may employ a pneumatic cylinder, a hydraulic cylinder, or an electric cylinder. It is understood that the first driving assembly 111 may also use a rotary motor to drive the first pendulum shaft 109 to rotate in opposite directions.

In this embodiment, the second temporary storage groove 112 is an inclined V-shaped groove formed by matching an inclined block fixed on the feeding frame 101 with a vertical plate, the vertical plate and the lifting rack 115 are all arranged perpendicular to the horizontal plane, and the top end of the lifting rack 115 forms an inclined plane for lifting the copper pipe along the vertical plate.

In this embodiment, the second driving assembly 116 includes a second telescopic driving member 1161 and a driving rack 1162, where the second telescopic driving member 1161 is horizontally fixed on the feeding frame 101, one end of the driving rack 1162 is connected to the telescopic end of the second telescopic driving member 1161, the driving rack 1162 is slidably disposed on a guide rail of the feeding frame 101, and a driven gear meshed with the driving rack 1162 is fixed on the second swing shaft 113, so that the second swing shaft 113 is driven to rotate positively and negatively by cooperation of the driving rack 1162 and the driven gear when the second telescopic driving member 1161 performs telescopic motion. The second telescopic drive 1161 may be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder. It is understood that the second telescopic driving member 1161 may also adopt a rotary motor to drive the second swing shaft 113 to rotate in opposite directions.

In this embodiment, the third temporary storage groove 117 is similar to the second temporary storage groove 112 in structure, and is also an inclined V-shaped groove formed by a stopper.

In this embodiment, the toggle 119 is hooked and has a groove formed therein for hooking the copper tube to swing upward and slide onto the alignment device 121. In this way, the copper tube is prevented from sliding out when the toggle 119 swings, so that the copper tube can accurately slide into the alignment device 121.

In this embodiment, the third driving assembly 120 includes a third telescopic driving member 1201 and a force arm 1202, wherein the bottom end of the third telescopic driving member 1201 is hinged to the feeding frame 101, the telescopic end of the third telescopic driving member 1201 is hinged to one end of the force arm 1202, and the other end of the force arm 1202 is fixed to the third swing axle 118. The telescoping action of the third telescoping driving member 1201 can rotate the third pendulum shaft 118 in opposite directions through the arm 1202.

In this embodiment, the alignment device 121 includes guide wheels 1211, an alignment plate 1212 and an alignment driving mechanism 1213, wherein a plurality of guide wheels 1211 are rotatably mounted on the feeding frame 101 at intervals to form a guiding groove for pushing the copper tube to move axially, and the alignment plate 1212 is mounted at one end of the guiding groove for supporting the end face of the copper tube moving axially against the alignment plate 1212 to align. An alignment drive mechanism 1213 is disposed on the cradle 101 for driving each guide wheel 1211 to rotate the delivery copper tube. Optionally, the alignment driving mechanism 1213 includes an alignment motor 12131, a driving wheel 12132, driven wheels 12133 and a driving belt 12134, the alignment motor 12131 is fixed on the feeding frame 101, the driving wheel 12132 is fixed on an output shaft of the alignment motor 12131, the guide wheels 1211 are mounted on the feeding frame 101 through a bracket 1214, the driven wheels 12133 are fixed on a central shaft of the guide wheels 1211, the bracket 1214 is further rotatably connected with three driven wheels 12133, one driven wheel 12133 is located on the same side of the bracket 1214 as the driven wheels 12133 on the central shaft of the guide wheels 1211, so as to wind the driving belt 12134, the other two driven wheels 12133 are located on the other side of the bracket 1214, so as to transmit power between the two adjacent guide wheels 1211 around the driving belt 12134, and the driving wheel 12132 is connected with the driven wheels 12133 on the other side of the bracket at the end of the feeding frame 101 through the driving belt 12134, so that the power of the alignment motor 12131 is sequentially transmitted to each driven wheel 12133 through the driving wheel 12132, and thus drives each guide wheel 1211 to rotate. With such a design, the copper tube is simple and compact in structure, and the copper tube can be easily conveyed to the alignment plate 1212 along the plurality of guide wheels 1211 for alignment.

In this embodiment, as shown in fig. 10 and 11, the arrangement device 2 includes an arrangement frame 21, a support 22, sprockets, a chain 23 and positioning seats 24, wherein a plurality of supports 22 are installed on the arrangement frame 21 at intervals, two sprockets matched with each other are rotatably installed on each support 22, a plurality of positioning seats 24 are uniformly connected on the chain 23, positioning grooves matched with the outer diameter of a copper pipe are formed in each positioning seat 24, and the copper pipe is axially positioned and supported along the copper pipe through the plurality of positioning seats 24, so that equidistant arrangement of a plurality of copper pipes is realized, and the subsequent loading and unloading carrying device 3 is convenient to clamp the equidistant arrangement of the plurality of copper pipes.

In this embodiment, as shown in fig. 12 to 14, the loading and unloading handling device 3 includes a handling frame 31, a loading clamping mechanism 32 and an unloading clamping mechanism 33, wherein a plurality of loading clamping mechanisms 32 are arranged at intervals on the top of the handling frame 31, a plurality of unloading clamping mechanisms 33 are arranged on the handling frame 31 at intervals and below the loading clamping mechanisms 32, the loading clamping mechanism 32 is used for lifting up a plurality of copper tubes on the descending clamping arrangement device 2 to above the unloading clamping mechanisms 33 and horizontally descending the copper tubes on the pressure testing device 4, and the unloading clamping mechanism 33 is used for downwards clamping a plurality of copper tubes detected on the pressure testing device 4 and horizontally descending the copper tubes on the transfer device 5.

The loading and unloading handling device 3 is provided with the loading clamping mechanism 32 and the unloading clamping mechanism 33 which are arranged up and down on the handling frame 31, and the loading clamping mechanism 32 and the unloading clamping mechanism 33 can respectively and independently load and unload the copper pipe, so that the time for loading and unloading the copper pipe is saved, the conveying efficiency of the copper pipe is improved, and the loading and unloading handling device is better suitable for pressure test detection of the copper pipe and effective connection of the next procedure.

In the present embodiment, the carrier 31 includes a top frame and a plurality of support legs connected to the top frame. The feeding and discharging clamping mechanisms 32 and 33 are mounted on the top frame in an up-down distribution.

In this embodiment, the feeding clamping mechanism 32 includes a feeding translation assembly 321, a feeding lifting assembly 322 and a feeding clamping claw 323, the feeding translation assembly 321 is mounted on the top frame of the carrying frame 31, the feeding lifting assembly 322 is mounted at the translation end of the feeding translation assembly 321, and the feeding clamping claw 323 for clamping the copper pipe is mounted at the lifting end of the feeding lifting assembly 322. The feeding lifting assembly 322 and the feeding clamping claw 323 are driven to reciprocate and translate between the arrangement device 2 and the pressure testing device 4 through the feeding translation assembly 321, the feeding lifting assembly 322 drives the feeding clamping claw 323 to lift, and the feeding clamping claw 323 clamps or releases the copper pipe, so that automatic carrying of the copper pipe between the arrangement device 2 and the pressure testing device 4 is realized, and carrying efficiency of the copper pipe is improved.

In this embodiment, as shown in fig. 15, the feeding translational component 321 includes a feeding translational sliding rail 3211, a first sliding seat 3212, belt wheels 3213, a synchronous belt 3214 and a feeding translational motor 3215, where the two feeding translational sliding rails 3211 are fixed at the top of the carrying frame 31 in parallel, the first sliding seat 3212 is slidably disposed on the two feeding translational sliding rails 3211 through a sliding block, the feeding lifting component 322 is mounted on the first sliding seat 3212, the two belt wheels 3213 are rotatably mounted at the top of the carrying frame 31 through bearing seats, the synchronous belt 3214 is wound on the two belt wheels 3213, the synchronous belt 3214 is connected to the first sliding seat 3212, the feeding translational motor 3215 is fixed at the top of the carrying frame 31, and an output shaft of the feeding translational motor 3215 is connected with a rotating shaft of the belt wheel 3213 in a driving manner. Through the rotation of the feeding translation motor 3215 driving belt pulley 3213, the two belt pulleys 3213 drive the synchronous belt 3214 to move, the synchronous belt 3214 drives the first sliding seat 3212 to slide along the feeding translation sliding rail 3211, and the first sliding seat 3212 drives the feeding lifting assembly 322 to translate.

In this embodiment, as shown in fig. 12, the loading and unloading conveying device 3 further includes a first adjusting mechanism 34 for adjusting the intervals between the plurality of loading clamping mechanisms 32, and the first adjusting mechanism 34 is installed between the top of the conveying frame 31 and the loading clamping mechanisms 32. The first adjusting mechanism 34 includes a first guide rail 341, a first rack 342, a first gear 343, a first adjusting seat 345 and an adjusting hand wheel 346, where the two first guide rails 341 and the two first racks 342 are both fixed on the top of the conveying frame 31 in parallel and are all arranged perpendicular to the feeding translational sliding rail 3211, the first adjusting seat 345 is slidably disposed on the two first guide rails 341 through a sliding block, the feeding clamping mechanism 32 is mounted on the first adjusting seat 345, the two first gears 343 are rotatably connected to the first adjusting seat 345 and are engaged with the first racks 342, and the adjusting hand wheel 346 is in driving connection with a connecting shaft of the two first gears 343 so as to drive the first gears 343 to adjust positions along the first racks 342, thereby driving the first adjusting seat 345 to slide along the first guide rails 341 to adjust positions. It will be appreciated that the adjustment hand wheel 346 may be replaced with a motor to drive the adjustment position. By providing the first adjustment mechanism 34, the spacing between the plurality of charging clamping mechanisms 32 is facilitated to accommodate the handling of copper tubes of different lengths.

In this embodiment, as shown in fig. 15, the feeding lifting assembly 322 includes a feeding lifting cylinder 3221 and a feeding lifting guiding mechanism, the feeding lifting cylinder 3221 is mounted on the first sliding seat 3212, a piston rod of the feeding lifting cylinder 3221 is connected with the feeding clamping claw 323, and the feeding lifting guiding mechanism is connected between the feeding clamping claw 323 and the first sliding seat 3212 to provide guiding function for the telescopic action of the feeding lifting cylinder 3221. The feeding lifting guide mechanism comprises four linear bearings 3222 fixed on a first sliding seat 3212 and guide shafts 3223 correspondingly penetrating through the linear bearings 3222 in a sliding manner, and the bottom end of each guide shaft 3223 is connected to a feeding clamping claw 323.

In this embodiment, as shown in fig. 16 to 18, the feeding gripper 323 includes a fixed block 3231, a fixed gripper 3232, a guide member 3233, a movable gripper 3234, a sliding frame 3235 and a gripper telescopic driving member 3236, the lifting end of the feeding lifting assembly 322 is connected to the fixed block 3231, two sides of the fixed block 3231 are respectively fixed with a plurality of fixed grippers 3232, each fixed gripper 3232 on each side is slidably provided with a guide member 3233, each guide member 3233 is fixed with a movable gripper 3234 which is clamped in a one-to-one correspondence with the fixed gripper 3232, each movable gripper 3234 is fixed on the sliding frame 3235, and the gripper telescopic driving member 3236 is connected between the fixed block 3231 and the sliding frame 3235 to drive the sliding frame 3235 and the movable gripper 3234 to slide reciprocally along the guide member 3233 so that the movable gripper 3234 is close to or far away from the fixed gripper 3232. The copper pipe can be clamped by matching the movable clamping plate 3234 and the fixed clamping plate 3232 which are close to each other. The movable clamping plate 3234 and the fixed clamping plate 3232 form clamping plate groups, and the clamping plate groups on two sides of the fixed block 3231 are respectively staggered, so that the number of the grabbing copper pipes can be increased, the copper pipes grabbed by the feeding clamping claw 323 are more tightly distributed, and the occupied space is reduced. Preferably, the movable clamp plate 3234 comprises a vertical portion and a bending portion connected to each other, and the bending portion is close to the corresponding movable clamp plate 3234 for supporting the clamped copper tube. Therefore, the stability of clamping the copper pipe can be improved, and faults caused by sliding of the copper pipe are avoided.

In this embodiment, as shown in fig. 19 and 20, the blanking clamping mechanism 33 includes a blanking fixing frame 331, a blanking translation assembly 332, a blanking lifting assembly 333 and a blanking clamping jaw 334, the blanking fixing frame 331 is mounted on the carrying frame 31, the blanking translation assembly 332 is mounted on the blanking fixing frame 331, the blanking lifting assembly 333 is mounted on a translation end of the blanking translation assembly 332, and the blanking clamping jaw 334 is mounted on a lifting end of the blanking lifting assembly 333.

In this embodiment, the blanking translation assembly 332 includes a blanking translation sliding rail 3321, a blanking sliding seat 3322 and a blanking translation telescopic driving member 3323, the blanking translation sliding rail 3321 is fixed on the blanking fixing frame 331, the blanking sliding seat 3322 is slidably mounted on the blanking translation sliding rail 3321 through a sliding block, the blanking lifting assembly 333 is mounted on the blanking sliding seat 3322, the blanking translation telescopic driving member 3323 is mounted on the blanking fixing frame 331, and a telescopic end of the blanking translation telescopic driving member 3323 is connected with the blanking sliding seat 3322 to drive the blanking sliding seat 3322 to slide reciprocally.

In this embodiment, the structure of the blanking lifting assembly 333 is the same as that of the feeding lifting assembly 322, but the lifting height of the blanking lifting assembly 333 is smaller than that of the feeding lifting assembly 322.

In this embodiment, the structure of the blanking claw 334 is the same as that of the blanking claw 334, and will not be described here again.

In this embodiment, as shown in fig. 21 and 22, the pressure test device 4 includes a water tank 41, a cross beam 42, a lifting driving member 43, a pressing driving member 44, an air intake slider 45, a blocking block 46, an air compressor, a vent pipe, a pressure gauge, and a positioning clamp 47. The cross beam 42 is installed in the water tank 41 in a lifting mode through the lifting driving piece 43, the two jacking driving pieces 44 are respectively installed at two ends of the cross beam 42, and the air inlet sliding block 45 and the blocking block 46 are respectively installed at the telescopic ends of the two jacking driving pieces 44 so as to enable the nozzles at two ends of the sealing butt joint copper pipe to charge air into the copper pipe. The air compressor is connected with the air inlet slide block 45 through a vent pipe, and a pressure gauge is arranged on the vent pipe. A plurality of locating clamps 47 for clamping the copper pipe are arranged on the cross beam 42 between the air inlet sliding block 45 and the plugging block 46.

The pressure testing device 4 is matched with the water tank 41, the cross beam 42, the lifting driving piece 43, the jacking driving piece 44, the air inlet sliding block 45, the blocking block 46, the air compressor, the ventilation pipe, the pressure gauge and the locating clamp 47, and the copper pipe can be clamped at different positions through the locating clamps 47 so that the copper pipe cannot shake in the pressure testing detection process, the two ends of the copper pipe are guaranteed to be in accurate sealing butt joint with the air inlet sliding block 45 and the blocking block 46 respectively, and the detection reliability is improved. Under the drive of the two jacking driving pieces 44, the air inlet slide blocks 45 and the plugging blocks 46 are close to two ends of the clamped copper pipe to realize sealing, air is filled into the copper pipe through the air inlet slide blocks 45, if air bubbles on the copper pipe emerge or the pressure gauge is reduced in air pressure, the copper pipe is judged to have air leakage, the air tightness is poor, and the air leakage position is recorded; if the copper pipe is free from bubble overflow or the pressure gauge pressure is normal, the copper pipe has good tightness, so that the copper pipe air tightness detection can be completed, and the copper pipe detection efficiency is improved.

In this embodiment, the main bodies of the two lifting driving members 43 are respectively erected at two ends of the water tank 41, and the telescopic ends of the two lifting driving members 43 are respectively connected with two ends of the cross beam 42, so that the cross beam 42 is driven to be immersed in or exposed out of the water surface of the water tank 41. The lifting drive 43 may be a pneumatic, hydraulic or electric cylinder. In addition, the jack 44 may be a pneumatic, hydraulic, or electric cylinder.

In this embodiment, as shown in fig. 24, a plurality of air-filling holes 451 are horizontally arranged on the end surface of the air-inlet slider 45 corresponding to the copper pipe, so as to seal tightly the copper pipe port. A plurality of sealing holes which are horizontally arranged are formed on the end surface of the sealing block 46 corresponding to the copper pipe so as to seal the sealing sleeve on the port of the copper pipe, and each sealing hole is arranged in one-to-one correspondence with each air charging hole 451.

The cross beam 42 is fixed with a first guide block 48 which is in sliding fit with the air inlet slide block 45, the first guide block 48 is provided with a first guide groove, and the air inlet slide block 45 is arranged in the first guide groove in a sliding mode. The cross beam 42 is fixed with a second guide block which is in sliding fit with the plugging block 46, a second guide groove is formed in the second guide block, and the plugging block 46 is arranged in the second guide groove in a sliding mode. Thus, the accuracy and the stability of the two ends of the butt joint copper pipe of the air inlet slide block 45 and the plugging block 46 can be improved.

In this embodiment, as shown in fig. 23, the positioning clamp 47 includes a base 471, a pressing plate 472 and a pressing driving member 473, the base 471 is fixed on the beam 42, the base 471 is provided with a plurality of accommodating grooves adapted to the outer diameter of the copper tube, one end of the pressing plate 472 is hinged to one end of the base 471, the pressing driving member 473 is used for driving the pressing plate 472 to rotate positively and negatively to open or close the base 471, and the pressing driving member 473 drives the pressing plate 472 to press the copper tube by placing the copper tube into the accommodating grooves. In this embodiment, the compression driving member 473 is a telescopic driving member, one end of the telescopic driving member is hinged on the base 471, the other end of the telescopic driving member is hinged on the compression plate 472, and the hinge axis position of the telescopic driving member is higher than the hinge axis positions of the base 471 and the compression plate 472 and is located at the same end of the base 471. The telescopic driving piece can adopt an air cylinder, a hydraulic cylinder or an electric cylinder.

In this embodiment, as shown in fig. 25 to 27, the transferring device 5 includes a transferring frame 51, supporting rollers 52, a lifting and swinging mechanism 53, a separating mechanism 54 and a pipe axial conveying mechanism 55, where a plurality of supporting rollers 52 are installed on the transferring frame 51 at intervals, a plurality of grooves for accommodating copper pipes are formed on each supporting roller 52, and the grooves on each supporting roller 52 are arranged in a one-to-one correspondence manner so that the feeding and discharging conveying device 3 arranges a plurality of copper pipes in the grooves at intervals. The jacking swing mechanism 53 is installed on the transfer frame 51 and located below the supporting roller 52, so as to jack up the copper pipe placed on the supporting roller 52 and slide onto the separating mechanism 54. The separating mechanism 54 is mounted on the transferring frame 51 and located at one side of the supporting rollers 52, so as to separate the copper tubes on the jacking swing mechanism 53 one by one and sequentially convey the copper tubes to the tube axial conveying mechanism 55, and the tube axial conveying mechanism 55 is mounted on the output side of the separating mechanism 54, so that the copper tubes can be conveyed along the axial direction thereof.

The transfer device 5 is matched with the transfer frame 51, the supporting rollers 52, the jacking swing mechanism 53, the separating mechanism 54 and the pipe fitting axial conveying mechanism 55, a plurality of copper pipes conveyed by the loading and unloading conveying device 3 can be arranged at intervals through grooves on the plurality of supporting rollers 52, so that the problem that the jacking swing mechanism 53 is disordered when jacking a plurality of copper pipes can be avoided, the copper pipes orderly enter the separating mechanism 54 to be separated one by one, and finally one copper pipe is axially conveyed to the flaw detector through the pipe fitting axial conveying mechanism 55, two procedures of pressure test detection and flaw detection are smoothly connected, the efficiency of conveying the copper pipes is improved, the pressure test detection and the flaw detection are easy to realize to continuously carry out, and the copper pipe detection efficiency is improved.

In the present embodiment, as shown in fig. 28 to 30, the lifting swing mechanism 53 includes a lifting drive 531, a lifting frame 532, a swing drive 533, and a swing discharge frame 534. The bottom end of the lifting driving member 531 is mounted on the transferring frame 51, and the lifting frame 532 is mounted on the lifting end of the lifting driving member 531 to drive the lifting frame 532 to lift. The swing driving member 533 is mounted on the jack-up frame 532, one side of the swing discharging frame 534 is rotatably connected to the jack-up frame 532, and the swing driving member 533 is used for driving the swing discharging frame 534 to swing so as to discharge the copper pipe onto the separating mechanism 54. The lifting frame 532 is driven to lift by the lifting driving piece 531, so that the swinging discharging frame 534 lifts up a plurality of copper tubes on the supporting roller 52, and then the swinging discharging frame 534 is driven to swing upwards by the swinging driving piece 533 to form an inclined plane for the copper tubes to slide down, so that the copper tubes roll into the separating mechanism 54 one by one, the plurality of copper tubes can be ensured to roll into the separating mechanism 54 in order, and the disorder of the plurality of copper tubes and the influence on the operation of the separating mechanism 54 are avoided.

The jacking swing mechanism 53 further includes a jacking guide mechanism 535, where the jacking guide mechanism 535 is matched with the optical axis by a sliding sleeve, the sliding sleeve is fixed on the transport frame 51, the top end of the optical axis is fixed on the jacking frame 532, and the optical axis is slidably arranged in the sliding sleeve. Four sets of components matched with the sliding sleeve and the optical axis are installed and are respectively positioned at four corners of the periphery of the jacking driving piece 531.

In this embodiment, the swing unloading frame 534 includes unloading bars 5341 and a stop bar 5342, the stop bar 5342 is connected to one ends of at least two unloading bars 5341, and the other ends of at least two unloading bars 5341 are rotatably connected to the lifting frame 532. One end of the discharging rod 5341 is provided with a stop rod 5342, so that the copper pipe can be prevented from sliding towards one side of the stop rod 5342, and the reliability and stability of operation are improved.

A guide hole is formed in the middle position of the lifting frame 532, and the telescopic rod of the swing driving member 533 is slidably inserted into the guide hole and slidably contacts with the swing discharge frame 534.

The lift driving member 531 and the swing driving member 533 may be an air cylinder, a hydraulic cylinder, or an electric cylinder, but are not limited thereto.

In this embodiment, the separating mechanism 54 includes a bearing bracket 541, a transmission shaft 542, separating wheels 543 and a separating motor 544, where the plurality of bearing brackets 541 are fixed on the transportation frame 51 at intervals, temporary storage grooves for positioning copper tubes are formed on the bearing bracket 541, the transmission shaft 542 is rotatably disposed on the plurality of bearing brackets 541, the plurality of separating wheels 543 are fixed on the transmission shaft 542 at intervals, and a plurality of tube grooves are formed on the periphery of each separating wheel 543, and the tube grooves correspond to the axial positions of the temporary storage grooves, so that the separating wheels 543 can be transferred into the copper tubes in the temporary storage grooves from one side to the tube grooves one by one and slide from the other side to the tube axial conveying mechanism 55. The separating motor 544 is installed on the transfer frame 51 and is in driving connection with the transmission shaft 542, so as to drive the transmission shaft 542 to intermittently rotate, so that the previous copper pipe is conveyed away by the pipe axial conveying mechanism 55, and then the transmission shaft 542 is driven to rotate to drive the separating wheel 543 to release the next copper pipe, and the copper pipe is intermittently conveyed according to the circulation.

In this embodiment, the pipe axial conveying mechanism 55 includes a plurality of rollers 551 rotatably connected to the transfer frame 51 and a driving device for driving the rollers 551 to rotate, and an annular groove adapted to the copper pipe is formed on the outer periphery of each roller 551. The copper pipe on the separating mechanism 54 rolls into the annular grooves of the plurality of rollers 551, and the plurality of rollers 551 are carried on the plurality of rollers 551 and axially conveyed to the flaw detector.

The flaw detector is equipment disclosed in the prior art, and the copper pipe conveyed in along the axial direction of the copper pipe is convenient for the flaw detector to detect flaws.

Any combination of the various embodiments of the utility model should be considered as being within the scope of the present disclosure, as long as the inventive concept is not violated; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical proposal without departing from the inventive idea of the utility model should be within the scope of the utility model.

Claims (10)

1. A material feeding unit for pipe fitting, its characterized in that: comprises a feeding frame (101), a retractable lifting piece (102), pulleys (103), a pulley shaft (104), a turntable (105), a turntable shaft (106), a retractable driving piece (107), a first temporary storage groove (108), a first swinging shaft (109), a swinging piece (110), a first driving component (111), a second temporary storage groove (112), a second swinging shaft (113), a transmission gear (114), a lifting rack (115), a second driving component (116), a third temporary storage groove (117), a third swinging shaft (118), a stirring piece (119) and a third driving component (120), wherein the feeding frame (101) is provided with a storage groove (1010), the pulley shaft (104) is rotatably arranged on the feeding frame (101) and is positioned on one side of the storage groove (1010), a plurality of pulleys (103) are arranged on the pulley shaft (104) at intervals, the turntable shaft (106) is rotatably arranged on the feeding frame (101) and is close to the bottom of the storage groove (1010), the turntable shaft (106) is parallel to the lower side of the pulley shaft (104), a plurality of turntable shafts (105) are fixed on the turntable shaft (106) at intervals, the turntable shaft (106) is rotatably arranged on the other side of the storage groove (101) at one side of the storage groove (1010), the other ends of the plurality of retractable lifting pieces (102) bypass the corresponding pulleys (103) and are wound and fixed on the corresponding turntables (105), the middle positions of the plurality of retractable lifting pieces (102) between the pulleys (103) and the turntables (105) are connected with weight-balancing pieces, the heights of the pulleys (103) are higher than the fixed connection points of the retractable lifting pieces (102) and the feeding frame (101), the first temporary storage groove (108) is arranged on the feeding frame (101) and is close to the fixed connection point of the retractable lifting pieces (102) and the feeding frame (101), the first swinging shaft (109) is rotatably arranged on the feeding frame (101) and is positioned below the first temporary storage groove (108), the first driving assembly (111) is used for driving the first swinging shaft (109) to positively and negatively rotate, the plurality of swinging pieces (110) are fixed on the first swinging shaft (109) at intervals, so as to swing the first temporary storage groove (108) into the second temporary storage groove (112), the second temporary storage groove (112) is arranged on the feeding frame (101) and is close to the fixed connection point of the retractable lifting pieces (102) and the feeding frame (101), the first swinging shaft (108) is rotatably arranged on the first swinging shaft (113) and is meshed with the second swinging shaft (114) correspondingly, the first swinging shaft (113) is rotatably arranged on the second swinging shaft (114), each lifting rack (115) is arranged at the bottom of the second temporary storage groove (112) in a lifting manner, the second driving component (116) is used for driving the second swing shaft (113) to rotate positively and negatively so as to drive the lifting racks (115) to lift copper pipes in the second temporary storage groove (112) to the third temporary storage groove (117) one by one, the third temporary storage groove (117) is arranged on the feeding frame (101) and is close to the second temporary storage groove (112), the third swing shaft (118) is rotationally connected to the feeding frame (101) and is positioned below the third temporary storage groove (117), the plurality of stirring pieces (119) are fixed on the third swing shaft (118) at intervals, and the third driving component (120) is used for driving the third swing shaft (118) to rotate positively and negatively so as to drive the plurality of stirring pieces (119) to convey the copper pipes in the third temporary storage groove (117) one by one.

2. A feeding device for pipe elements according to claim 1, characterized in that: comprises an alignment device (121) for aligning one end of the copper pipe conveyed out of the third temporary storage groove (117).

3. A feeding device for pipe elements according to claim 2, characterized in that: the alignment device (121) comprises guide wheels (1211), an alignment plate (1212) and an alignment driving mechanism (1213), wherein a plurality of guide wheels (1211) are rotatably arranged on the feeding frame (101) at intervals to form guide grooves for pushing the copper tubes to move axially, the alignment plate (1212) is arranged at one end of each guide groove for enabling the end faces of the copper tubes moving axially to abut against the alignment plate (1212) for alignment, and the alignment driving mechanism (1213) is arranged on the feeding frame (101) for driving each guide wheel (1211) to rotate and convey the copper tubes.

4. A feeding device for pipe elements according to claim 1, characterized in that: the retractable lifting piece (102) adopts a flexible belt or rope.

5. A feeding device for pipe elements according to claim 1, characterized in that: the first temporary storage groove (108) is an inclined V-shaped groove formed by matching a bottom plate and a stop block which are fixed on the feeding frame (101).

6. A feeding device for pipe elements according to claim 1, characterized in that: the swinging piece (110) is of a sector structure, and copper pipes in the first temporary storage groove (108) are supported on the upper inclined surface of the sector structure and slide into the second temporary storage groove (112) along the upper inclined surface.

7. A feeding device for pipe elements according to claim 1, characterized in that: the first driving assembly (111) comprises a first telescopic driving piece (1111) and a swing arm (1112), the bottom end of the first telescopic driving piece (1111) is hinged to the feeding frame (101), the telescopic end of the first telescopic driving piece (1111) is hinged to one end of the swing arm (1112), and the other end of the swing arm (1112) is fixed to the first swing shaft (109).

8. A feeding device for pipe elements according to claim 1, characterized in that: the second temporary storage groove (112) is formed by matching an inclined block fixed on the feeding frame (101) with a vertical plate to form an inclined V-shaped groove, the vertical plate and the lifting rack (115) are both arranged perpendicular to a horizontal plane, and the top end of the lifting rack (115) forms an inclined plane for lifting the copper pipe along the vertical plate.

9. A feeding device for pipe elements according to claim 1, characterized in that: the second driving assembly (116) comprises a second telescopic driving piece (1161) and a driving rack (1162), the second telescopic driving piece (1161) is horizontally fixed on the feeding frame (101), one end of the driving rack (1162) is connected to the telescopic end of the second telescopic driving piece (1161), the driving rack (1162) is slidably arranged on a guide rail of the feeding frame (101), and a driven gear meshed with the driving rack (1162) is fixed on the second swing shaft (113).

10. A feeding device for pipe elements according to claim 1, characterized in that: the poking piece (119) is in a hook shape and is provided with a groove.