Feeding and press-fitting device of special-shaped pipe fitting welding automatic production line

Abstract

The invention discloses a feeding and press-fitting device of an automatic special-shaped pipe fitting welding production line, comprising: a feeding mechanism, which comprises a feeding unit, a piece screening unit and a conveying platform and is used for transferring and arranging a poor material sleeve in a specified posture; and the recognition mechanism comprises a clamping unit and a visual detection unit. According to the invention, a mechanical device is adopted to replace manual work to complete the work of feeding, screening, clamping, identifying, positioning, press-fitting and the like of the lean material sleeve. Automatic control is completed through a sensor and a control mechanism, so that the device can be effectively suitable for feeding, pressing and the like of small-size lean material sleeves, and automatic operation of feeding, screening, clamping, identifying, positioning and pressing of the lean material sleeves is achieved; the reliability of the selection direction of the lean material sleeve and the consistency of the press-fitting direction are effectively controlled, meanwhile, the automatic press-fitting technology replaces manual operation, the consistency is higher, the machining consistency of parts produced in batches is effectively improved, the production efficiency is improved, and the labor intensity is relieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of loading and press-fitting devices, and particularly relates to a loading and press-fitting device for an automatic production line for welding special-shaped pipe fittings. BACKGROUND

[0002] Before welding and assembling pipe parts, according to technical requirements, a poor material sleeve needs to be press-fitted into a hole of the pipe part, so that the poor material sleeve needs to realize automatic loading and press-fitting. The press-fitting work includes the following steps: putting a poor material pipe into a press-fitting machine, aligning a center hole, identifying a chamfer direction of the poor material sleeve, and press-fitting the poor material sleeve. At present, manual operation is adopted, and there are many unstable factors in the process, vertical error exists in the center hole of the poor material pipe, and hand adjustment and fixation are unstable. The poor material sleeve is put into a positioning hole of the poor material pipe with the chamfer end downward, the chamfer direction of the poor material sleeve needs to be observed by eyes, and the operator is prone to fatigue.

[0003] In view of the problems of low automation, difficulty in batch production, low production efficiency, and inability to realize multi-process continuous production in the loading and press-fitting process of the poor material sleeve into the hole of the pipe part in the prior art, a loading and press-fitting device for an automatic production line for welding special-shaped pipe fittings is provided. SUMMARY

[0004] The purpose of the present application is to provide a loading and press-fitting device for an automatic production line for welding special-shaped pipe fittings to solve the above problems.

[0005] To solve the above technical problems, the present application adopts the following technical scheme: a loading and press-fitting device for an automatic production line for welding special-shaped pipe fittings, comprising: A feeding mechanism, comprising a loading unit, a screening unit and a conveying platform, is used to transfer and arrange poor material sleeves in a specified posture; An identification mechanism, comprising a clamping unit and a visual detection unit, is used to pick up the poor material sleeves in the feeding mechanism to judge their postures; A press-fitting mechanism, comprising a positioning and clamping unit, a press head unit and a pipe fitting fixing unit, is used to pick up the poor material sleeves in the specified posture and transfer them to a press-fitting station, the pipe fitting fixing unit is used to fix the pipe fittings and sequentially transfer them to the press-fitting station according to the working rhythm, and the press head unit is used to pick up the poor material sleeves and put them into the pipe fittings.

[0006] Further, the feeding mechanism, the identification mechanism and the press-fitting mechanism are all arranged on a mounting plate; A multi-station annular rotary disc is further arranged on the mounting plate, and is used to transfer the pipe fittings to the press-fitting station.

[0007] Further, the loading unit comprises a vibrating disc and a disc-shaped track; The vibrating disc is arranged on the mounting plate through a support; The disc-shaped track is arranged around the vibrating disc; The disc-shaped track is arranged around the vibrating disc;

[0008] Further, the conveying platform comprises a one-way groove track corresponding to the sieve track; The one-way groove track is arranged on a straight-line feeder device, which is used to drive the one-way movement of the material in the one-way groove track; The straight-line feeder device is arranged on an adjustable mounting bracket, which is used to adjust the height of the one-way groove track; A first position sensor is arranged in the one-way groove track to detect the remaining number of the poor material sleeves in the one-way groove track.

[0009] Further, the clamping unit comprises a first bracket and a cylinder sliding table arranged on the first bracket; The output end of the cylinder sliding table is provided with a U-shaped hole and a second position sensor.

[0010] Further, the visual detection unit is arranged above the clamping unit to determine the direction of the material clamped by the clamping unit; The visual detection unit comprises an identification camera, a ring-shaped light source, and a moving assembly; The moving assembly comprises a linear module, and the output end of the linear module is provided with a first linear sliding table, and the identification camera and the ring-shaped light source are arranged on the first linear sliding table in an up-down distribution; The linear module is used to drive the identification camera and the ring-shaped light source to move to the pressing station.

[0011] Further, the positioning and grabbing unit comprises a telescopic assembly, a coupling, a pressing head, and a linear module; The telescopic assembly is arranged at the output end of the linear module, and the linear module is used to adjust the identification camera and the telescopic assembly to alternately act on the pressing station; The coupling is arranged at the output end of the telescopic assembly, and the pressing head is drivingly connected to the telescopic assembly through the coupling.

[0012] Further, the diameter of the pressing head is matched with the inner diameter of the poor material sleeve, and a negative pressure suction hole is formed in the pressing head; The negative pressure suction hole is arranged in a ring shape, and the negative pressure suction hole in the pressing head is in communication with a negative pressure mechanism.

[0013] Further, a plurality of pipe fixing units are arranged on the multi-station ring-shaped rotary disc; The pipe fixing unit comprises a semicircular base for placing the pipe and a profiling pressing block arranged above the semicircular base for pressing and fixing the pipe in the semicircular base.

[0014] Further, the multi-station annular rotary disc further comprises a pressing positioning unit arranged at a position corresponding to the pressing station. The pressing positioning unit comprises a positioning bracket arranged at the side of the multi-station annular rotary disc, a positioning cylinder arranged on the positioning bracket, and a conical head arranged at the output end of the positioning cylinder, wherein the diameter of the conical head is larger than that of the pipe. The positioning cylinder is used to push the conical head to contact the pipe at the pressing station and adjust the position of the pipe.

[0015] The beneficial effects of the present application are as follows: The present application uses a mechanical device to replace manual work to complete the feeding, selection, clamping, identification, positioning and pressing of the poor material sleeve. Through sensors and control mechanisms, automatic control is achieved, so that the device can be effectively applied to the feeding and pressing of small-size poor material sleeves. The feeding, selection, clamping, identification, positioning and pressing of the poor material sleeve are automatically operated, the reliability of the selection direction of the poor material sleeve and the consistency of the pressing direction are effectively controlled, and the automatic pressing technology replaces manual operation, which is more consistent and effectively improves the consistency of batch production of parts processing, which is beneficial to improve production efficiency and reduce labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the present application; Figure 2 It is a schematic view of the feeding unit structure of the present application; Figure 3 It is a top view of the disc-shaped track structure of the present application; Figure 4 It is a schematic view of the conveying platform structure of the present application; Figure 5 It is a schematic view of the identification mechanism of the present application; Figure 6 It is a schematic view of the clamping unit of the present application; Figure 7 It is a schematic view of the visual detection unit of the present application; Figure 8 It is a schematic view of the pressing mechanism structure of the present application; Figure 9 It is a schematic view of the positioning and grabbing unit structure of the present application; Figure 10 It is a schematic view of the linear module structure of the present application; Figure 11 It is a schematic view of the telescopic assembly structure of the present application; Figure 12 Fig. 1 is a schematic diagram of the pressing head structure of the present application; Figure 13 Fig. 2 is a schematic diagram of the clamping station structure of the present application; Figure 14 Fig. 3 is a schematic diagram of the poor material sleeve structure of the present application; Figure 15 Fig. 4 is a schematic diagram of the combination structure of the poor material sleeve and the pipe fitting of the present application.

[0017] In the figure: 1, feeding mechanism; 2, identification mechanism; 3, pressing mechanism; 4, mounting plate; 5, disc-shaped track; 6, vibrating disc; 7, support; 8, sieve track; 9, one-way groove track; 10, straight-line feeder; 11, adjusting mounting bracket; 12, first position sensor; 13, visual detection unit; 14, clamping unit; 15, second position sensor; 16, U-shaped hole; 17, air cylinder sliding table; 18, first bracket; 19, rear support plate; 20, first straight-line sliding table; 21, identification camera; 22, ring-shaped light source; 23, straight-line module; 24, upper fixed plate; 25, positioning plate; 26, support block; 27, lower fixed plate; 28, ring-shaped fixed plate; 29, positioning clamping unit; 30, pipe fitting fixing unit; 31, multi-station ring-shaped rotary disc; 32, telescopic assembly; 33, coupling; 34, pressing head; 35, upper locking block; 36, hollow support block; 37, straight-line module sliding table; 38, lower fixed block; 39, first support column; 40, second support column; 41, first straight-line guide rail; 42, first guide rail fixed plate; 43, right-angle fixed plate; 44, second guide rail fixed plate; 45, second straight-line guide rail; 46, bottom plate; 47, right support plate; 48, L-shaped hollow support plate; 49, third straight-line guide rail; 50, front support plate; 51, connecting shaft; 52, lower hollow support block; 53, fourth straight-line guide rail; 54, fixed plate; 55, negative pressure adsorption hole; 57, fixed mold; 58, conical head; 59, positioning air cylinder; 60, air cylinder bracket; 61, profiling pressing block; 62, semicircular base; 63, fixed bracket. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-15 The present application discloses a feeding and pressing device for an automatic production line for welding special-shaped pipe fittings, comprising: The feeding mechanism 1 includes a feeding unit, a screening unit and a conveying platform, used to transfer and arrange the lean material sleeve in a specified posture; The identification mechanism 2 includes a gripping unit 14 and a vision detection unit 13, which are used to pick up the empty material sleeve in the feeding mechanism 1 and determine its posture. The pressing mechanism 3 includes a positioning and gripping unit 29, a pressing head unit, and a pipe fitting fixing unit 30. The positioning and gripping unit 29 is used to pick up the loose material sleeve in a specified posture and transfer it to the pressing station. The pipe fitting fixing unit 30 is used to fix the pipe fitting and transfer the pipe fitting to the pressing station in sequence according to the working rhythm. The pressing head unit is used to pick up the loose material sleeve and send it into the pipe fitting.

[0020] Furthermore, such as Figure 1 As shown, the feeding mechanism 1, the identification mechanism 2, and the pressing mechanism 3 are all mounted on the mounting plate 4; The mounting plate 4 is also provided with a multi-station annular rotary disk 31, which is used to transfer the pipe fittings to the press-fitting station.

[0021] In this application, such as Figures 2-3 As shown, the feeding unit includes a vibratory feeder 6 and a disc-shaped track 5; The vibratory plate 6 is mounted on the mounting plate 4 via a support 7; The disc-shaped track 5 is arranged around the vibrating plate 6, and it is easy to imagine that the disc-shaped track 5 has an inclination and is spirally distributed, so that the material in the disc-shaped track 5 can be transferred under the action of gravity and vibration during the operation of the vibrating plate 6. A screen track 8 is provided on the side of the disc track 5 near the input end. The screen track 8 is used to compress the conveying space of the disc track 5 so that it matches the width of the chamfered end of the lean material sleeve, so that the lean material sleeve passes through in an inverted position.

[0022] It should be added that, such as Figure 4 As shown, the conveying platform includes a one-way grooved track 9 corresponding to the screen track 8. It is easy to imagine that the outlet of the screen track 8 and the one-way grooved track 9 are on the same horizontal line to receive the material at the outlet of the screen track 8. The unidirectional groove track 9 is disposed on the DC feeder device 10, and the DC feeder device 10 is used to drive the material in the unidirectional groove track 9 to move in one direction. The DC feeder device 10 is mounted on an adjustable mounting bracket 11, which is used to adjust the height of the unidirectional groove track 9. A first position sensor 12 is provided inside the unidirectional groove track 9 to detect the remaining quantity of the material sleeve inside the unidirectional groove track 9. When the first position sensor 12 detects that the quantity of material sleeve inside is insufficient, the vibrating plate 6 can be started to replenish the material.

[0023] The adjustable mounting bracket 11, the DC feeder device 10, and the unidirectional groove track 9 mentioned above are all conventional technical means in this field, and therefore have not been described in detail here.

[0024] like Figure 6 As shown, the clamping unit 14 includes a first bracket 18 and a cylinder slide 17 disposed on the first bracket 18. The clamping unit 14 is fixedly disposed on the mounting plate 4 through the first bracket 18. The output end of the cylinder slide 17 is provided with a U-shaped hole 16 and a second position sensor 15; With the above structural configuration, the U-shaped hole 16 can pick up a single loose material sleeve. The U-shaped hole 16 is tightly fitted with the grooved track 9 and is on the same horizontal plane. The clamping unit 14 is mounted on the cylinder slide 17 and can be moved to a designated position. The second position sensor 15 determines the loose material sleeve picking status of the U-shaped hole 16. If unsuccessful, the system provides feedback and an alarm is triggered. The cylinder slide 17 is mounted on the height-adjustable first bracket 18, which is fixed to the mounting plate 4 with screws. It should also be noted that the unidirectional grooved track 9 is provided with a material picking notch. The U-shaped hole 16 can extend into the material picking notch on the unidirectional grooved track 9 to receive the loose material sleeve located at its end and adsorb it before transferring it to the corresponding position of the subsequent visual inspection unit 13 for identification.

[0025] Furthermore, such as Figure 7 As shown, the vision detection unit 13 is disposed above the gripping unit 14 to determine the direction of the material gripped by the gripping unit 14; The visual inspection unit 13 includes a recognition camera 21, a ring light source 22, and a moving component. The recognition camera 21 is a CCD visual inspection device, while the ring light source 22 plays a role in image stability. The ring light source 22 is mounted on a ring fixing plate 28, which is mounted on a lower fixing plate 27 by screws. The lower fixing plate 27 is mounted on a positioning plate 25. The moving component includes a linear module 23, and a first linear slide 20 is provided at the output end of the linear module 23. The recognition camera 21 and the ring light source 22 are arranged vertically on the first linear slide 20. The linear module 23 is used to move the recognition camera 21 and the ring light source 22 to the pressing station; By the above structure, the material is photographed by the identification camera 21, and the consistency of the direction of the clamped material is confirmed by the system feedback device. The identification camera 21 is installed on the upper fixed plate 24, the upper fixed plate 24 is installed on the positioning plate 25, the positioning plate 25 is installed on the fixed telescopic assembly support block 26, the servo motor rear support plate 19 is installed on the first linear slide table 20 of the linear module 23, and the CCD visual detection device is driven by the linear module 23 to move each station. It should be noted that when the identification camera 21 judges that the poor material sleeve posture is wrong, the corresponding poor material sleeve can be transferred to the NG station by the clamping unit 14.

[0026] It should be further pointed out that the positioning and grabbing unit 29 includes a telescopic assembly 32, a shaft coupling 33, a pressure head 34, and a linear module 23. It should be noted that the telescopic assembly 32 can be a servo cylinder. The telescopic assembly 32 is arranged at the output end of the linear module 23, and the linear module 23 is used to adjust the identification camera 21 and the telescopic assembly 32 to alternately act on the press-fitting station. The shaft coupling 33 is arranged at the output end of the telescopic assembly 32, and the pressure head 34 is drivingly connected with the telescopic assembly 32 through the shaft coupling 33.

[0027] The two ends of the linear module 23 are respectively installed on the right-angle fixed plates 43, and the right-angle fixed plates are respectively connected with the first support 39 and the second support 40. The first support 39 and the second support 40 are installed on the bottom plate 46, and the bottom plate 46 is installed on the mounting plate 4 by screws as shown in Figure 10

[0028] The telescopic assembly 32 is installed on the hollow support block 36 as shown in Figure 11 ​As shown, the hollow support block 36 is connected with the front support plate 50, the rear support plate 19 and the right support plate 47 respectively, the shaft end of the telescopic assembly 32 is connected with the shaft coupling 33, the shaft coupling 33 is connected with the connecting shaft 51, the connecting shaft 51 passes through the L-shaped hollow support plate 48 and the lower hollow support block 52, the L-shaped hollow support plate 48 is connected with the front support plate 50, the rear support plate 19 and the right support plate 47 respectively, the lower hollow support block 52 is installed on the fixed plate 54, the fixed plate 54 is installed on the fourth linear guide rail 53, and the fourth linear guide rail 53 is connected with the rear support plate 19. The other side of the rear support plate 19 is connected with the upper locking block 35, the linear module sliding table 37 and the lower fixed block 38 respectively, the upper locking block 35 is installed on the first linear guide rail 41, the first linear guide rail 41 is connected with the first guide rail fixed plate 42, and the first guide rail fixed plate 42 is installed above the right-angle fixed plate 43. The lower fixed block 38 is installed on the second linear guide rail 45, the second linear guide rail sliding table 45 is connected with the second guide rail fixed plate 44, and the second guide rail fixed plate 44 is connected with the first support column 39 and the second support column 40 respectively. In order to ensure the accuracy of the linear module 23 in single direction displacement, three linear guide rails are used for connection, which are the first linear guide rail 41, the second linear guide rail 45 and the third linear guide rail 49, the third linear guide rail 49 is connected with the L-shaped hollow support plate 48, and the third linear guide rail 49 is fixed by using the symmetrical right-angle support, so that the telescopic assembly 32 and the identification mechanism 2 can realize single direction movement under the action of the linear module 23, a position sensor is arranged in the linear module 23, accurate displacement control is realized, and automatic identification and automatic press fitting operation are realized.

[0029] In the present application, the diameter of the pressure head 34 is matched with the inner diameter of the poor material sleeve, and the negative pressure adsorption hole 55 is arranged on the pressure head 34; The negative pressure adsorption hole 55 is arranged in a ring shape, and the negative pressure adsorption hole 55 on the pressure head 34 is communicated with the negative pressure mechanism; The pressure head 34 adopts a stepped shaft design, as shown in the figure Figure 12 As shown, the figure shows the state of adsorbing the poor material sleeve, the pressure head 34 is moved into the hole of the special-shaped pipe fitting through the linear module 23 and the telescopic assembly 32, the pressure head 34 corresponds to the special-shaped pipe fitting, and the pressure head 34 is inserted into the hole of the special-shaped pipe fitting, so that the vertical direction correction of the special-shaped pipe fitting hole can be realized once. The negative pressure adsorption hole 55 is placed in the inner hole of the poor material sleeve, a local negative pressure is generated through the negative pressure adsorption hole 55 by using a negative pressure generator, the poor material sleeve is picked up and press fitted, and the pressure head 34 adopts a stepped shaft design, so that the poor material sleeve can be pressed before adsorption, the poor material sleeve is kept at a specified position, deviation in the subsequent process is avoided, and the pressure head 34 can be inserted into the pipe fitting welding hole to preliminarily position the pipe fitting. The pressure head unit is installed on the fixed die 57 and connected with the fixed plate 54 through threads, so as to realize accurate displacement control of the telescopic assembly 32 and the linear module 23.

[0030] It needs to be explained that the multi-station annular rotating disc 31 is provided with a plurality of pipe fixing units 30; The pipe fixing unit 30 comprises a semicircular base 62 for placing the pipe and a profiling pressing block 61 arranged above the semicircular base 62 for pressing and fixing the pipe in the semicircular base 62.

[0031] Further, the multi-station annular rotating disc 31 further comprises a pressing positioning unit corresponding to the pressing station; The pressing positioning unit comprises a cylinder bracket 60 arranged at the side of the multi-station annular rotating disc 31, the cylinder bracket 60 is provided with a positioning cylinder 59, and the output end of the positioning cylinder 59 is provided with a conical head 58, and the diameter of the conical head 58 is larger than that of the pipe; The positioning cylinder 59 is used to push the conical head 58 to contact the pipe at the pressing station and adjust the position thereof.

[0032] The pipe fixing unit 30 is composed of the semicircular base 62 and the profiling pressing block 61, the semicircular base 62 is designed as four bearings to support the pipe parts and limit the two horizontal rotation degrees of freedom, and the semicircular base 62 is installed on the multi-station annular rotating disc 31 through the fixed bracket 63. By clamping the pipe parts through the semicircular base 62 and the profiling pressing block 61, coaxial rotation can be realized, and the pipe parts welding inner hole vertical alignment function is realized.

[0033] The pressing positioning unit is composed of the positioning cylinder 59 and the conical head 58, the conical head 58 fixes the coaxial rotation of the pipe parts, the conical head 58 is designed as a slightly larger conical type than the inner hole of the pipe parts, and the conical front segment tightly fits the inner hole of the pipe when pressed and is firmly pressed, and is installed on the push plate of the positioning cylinder 59, the positioning cylinder 59 is installed on the cylinder bracket 60, and the cylinder bracket 60 is installed on the mounting plate 4 through threads.

[0034] In use, the application comprises the following steps: S1, starting the device power supply, setting the device air pressure, the parameters of the feeding unit, the number of poor material sleeves in the vibration disc, the CCD visual detection device moving to the specified position, the pressing unit resetting is completed; S2, the first position sensor 12 does not find the material, and sends a signal, the vibration material disc starts automatic feeding work, the screening unit starts to filter the poor material sleeves with inconsistent directions, and when the poor material sleeves are consistent in direction, they are conveyed to the conveying platform, and when the number of poor material sleeves meets the rated number of the conveying platform, the first position sensor 12 sends a signal, and the vibration material disc stops working; S3, the conveying platform starts, the material moves forward, when the poor material sleeve moves to the clamping unit 14, the second position sensor 15 sends a signal, and the conveying platform stops working. When the controller receives the signal, the clamping unit 14 moves to the designated position through the air cylinder, the arrival instruction is generated, and the controller sends a control signal to make the CCD visual detection device reach the designated position through the linear module, and the direction of the clamping material is identified; S4, after the direction of the poor material sleeve is identified, the controller receives the instruction, sends a signal, and the pressure head 34 moves to the pressing station through the linear module. The pressure head 34 moves downward into the hole of the special-shaped pipe and is subjected to direction correction processing. When the pressure head 34 reaches the designated position, the controller receives the instruction and sends a signal to press the top of the special-shaped pipe through the air cylinder. At this time, the pressure head 34 moves upward to the initial position; S5, after the hole correction of the special-shaped pipe is completed, the pressure head reset sensor is triggered, the linear module drives the pressure head 34 to move above the poor material sleeve, at this time, the pressure head is extended into the poor material sleeve under the action of the telescopic assembly 32, and reaches the designated position. Through program control, the negative pressure generator is started to pick up; S6, after the picking up is completed, the pressure head 34 carries the poor material sleeve to the pressing unit, and the pressure head 34 moves downward to the designated position. At this time, the poor material sleeve is pressed into the hole of the special-shaped pipe. After the controller receives the position signal, the program control is started, the negative pressure generator is closed, the pressure head is restored to the initial position, and the next poor material sleeve is prepared for clamping; S7, the workpiece with the pressed poor material sleeve is taken out. The above steps are repeated to realize the cycle work.

[0035] It should be noted that if the embodiment of the present application involves directional indication (such as up, down, left, right, front, back, etc.), the directional indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indication also changes accordingly.

[0036] In addition, if the embodiment of the present application involves the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0037] In addition, "a plurality of" refers to two or more.

[0038] The above merely provides the preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A feeding and pressing device for an automated production line for welding irregularly shaped pipe fittings, characterized in that, include: The feeding mechanism (1) includes a feeding unit, a screen unit and a conveying platform, used to transfer and arrange the lean material sleeve in a specified posture; The identification mechanism (2) includes a gripping unit (14) and a vision detection unit (13) for picking up the empty material sleeve inside the feeding mechanism (1) and judging its posture; The pressing mechanism (3) includes a positioning gripping unit (29), a pressing head unit, and a pipe fitting fixing unit (30). The positioning gripping unit (29) is used to pick up the loose material sleeve in a specified posture and transfer it to the pressing station. The pipe fitting fixing unit (30) is used to fix the pipe fitting and transfer the pipe fitting to the pressing station in sequence according to the working rhythm. The pressing head unit is used to pick up the loose material sleeve and send it into the pipe fitting.

2. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 1, characterized in that: The feeding mechanism (1), the identification mechanism (2), and the pressing mechanism (3) are all mounted on the mounting plate (4); The mounting plate (4) is also provided with a multi-station annular rotating disk (31), which is used to transfer the pipe fitting to the press-fitting station.

3. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 2, characterized in that: The feeding unit includes a vibratory feeder (6) and a disc track (5); The vibratory plate (6) is mounted on the mounting plate (4) via a support (7); The disc-shaped track (5) is arranged around the vibrating plate (6); The disc track (5) is provided with a screen track (8) on the side near the input end. The screen track (8) is used to compress the conveying space of the disc track (5) so that it matches the width of the chamfered end of the lean material sleeve so that the lean material sleeve passes through in an inverted position.

4. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 3, characterized in that: The conveying platform includes a one-way grooved track (9) corresponding to the screen track (8); The unidirectional groove track (9) is mounted on the DC feeder device (10), which is used to drive the material in the unidirectional groove track (9) to move in one direction. The DC feeder device (10) is mounted on an adjustable mounting bracket (11), which is used to adjust the height of the unidirectional groove track (9); A first position sensor (12) is provided inside the unidirectional groove track (9) to detect the remaining quantity of the material sleeve inside the unidirectional groove track (9).

5. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 1, characterized in that: The clamping unit (14) includes a first bracket (18) and a cylinder slide (17) disposed on the first bracket (18). The cylinder slide (17) is provided with a U-shaped hole (16) and a second position sensor (15) at its output end.

6. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 5, characterized in that: The visual detection unit (13) is disposed above the gripping unit (14) to determine the direction of the material gripped by the gripping unit (14); The visual detection unit (13) includes a recognition camera (21), a ring light source (22), and a moving component; The moving component includes a linear module (23), the output end of which is provided with a first linear slide (20), and the recognition camera (21) and the ring light source (22) are arranged vertically on the first linear slide (20). The linear module (23) is used to drive the recognition camera (21) and the ring light source (22) to move to the pressing station.

7. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 6, characterized in that: The positioning and gripping unit (29) includes a telescopic assembly (32), a coupling (33), a pressure head (34), and a linear module (23). The telescopic component (32) is located at the output end of the linear module (23), and the linear module (23) is used to adjust the alternating action of the recognition camera (21) and the telescopic component (32) on the pressing station. The coupling (33) is located at the output end of the telescopic assembly (32), and the pressure head (34) is connected to the telescopic assembly (32) via the coupling (33).

8. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 7, characterized in that: The diameter of the pressure head (34) is adapted to the inner diameter of the material sleeve, and a negative pressure adsorption hole is provided on the pressure head (34); The negative pressure adsorption holes are arranged in a ring shape, and the negative pressure adsorption holes on the pressure head (34) are connected to the negative pressure mechanism.

9. The feeding and pressing device of an automatic production line for welding irregularly shaped pipe fittings according to claim 2, characterized in that: The multi-station annular rotary disk (31) is provided with multiple pipe fitting fixing units (30). The pipe fixing unit (30) includes a semi-circular base (62) and a contouring block (61). The semi-circular base (62) is used to place the pipe, and the contouring block (61) is located above the semi-circular base (62) to press and fix the pipe inside the semi-circular base (62).

10. The feeding and pressing device of the automatic production line for welding irregularly shaped pipe fittings according to claim 9, characterized in that: The multi-station annular rotary disk (31) also includes a pressing and positioning unit located at the corresponding pressing station; The clamping and positioning unit includes a positioning bracket (60) disposed on the side of the multi-station annular rotating disk (31), a positioning cylinder (59) is disposed on the positioning bracket (60), and a conical head (58) is disposed at the output end of the positioning cylinder (59), the diameter of the conical head (58) being larger than that of the pipe fitting; The positioning cylinder (59) is used to push the conical head (58) to contact the pipe fitting located at the press-fitting station and adjust its position.

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