A large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device

Abstract

The present invention discloses a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device, including a base, a first auxiliary fixing component, an infrared receiver, a U-shaped plate, a detection mechanism, a pull-out box and a control box, a first support plate is fixed on the upper side of the base, a connecting support plate is fixed on the upper side of the base, a first manipulator, a second manipulator, a third manipulator and a fourth manipulator are fixed on the lower side of the connecting support plate, the positioning shaft clamping structure is located on the upper side of the third electric telescopic rod, and a hinge clamping mechanism is fixed on the lower side of the third manipulator. The large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device can limit the outer shell of the butterfly check valve and load it autonomously, can automatically assemble the butterfly check valve, can accurately position and fix the outer shell of the butterfly check valve, and can directly move the butterfly check valve out of the assembly table after assembly, without the need for manual handling.

Description

Technical Field

[0001] The invention relates to the technical field of check valves, in particular to a processing and assembling device for a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve. Background Art

[0002] A butterfly check valve is a valve that automatically opens and closes the valve disc by the flow of the medium itself to prevent the medium from flowing back. It is also called a non-return valve, a one-way valve, a reverse flow valve, and a back pressure valve. A check valve is an automatic valve. Its main function is to prevent the medium from flowing back, to prevent the pump and the drive motor from reversing, and to release the container medium. The check valve can also be used on the pipeline that provides supply to the auxiliary system where the pressure may rise to exceed the system pressure. Check valves can be mainly divided into swing check valves (rotating according to the center of gravity), lift check valves (moving along the axis), and butterfly check valves.

[0003] Most of the existing butterfly check valve processing and assembly are carried out manually to the assembly table, and the materials cannot be loaded independently, and manual assembly is required. When a human is the team leader, the assembly time is long and the labor cost is high, which increases the labor cost. At the same time, the materials cannot be unloaded directly after the assembly is completed, and manual operation is required. It is inconvenient to use and not very practical. Summary of the invention

[0004] The purpose of the present invention is to provide a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device to solve the problem that the existing butterfly check valve processing and assembly proposed in the above background technology is mostly carried out by manual transportation to the assembly table, and the materials cannot be loaded independently, and manual assembly is required. When the team leader is a human, the assembly time is long, the labor cost is high, and the production cost is increased. At the same time, the unloading cannot be carried out directly after the assembly is completed, and manual operation is required, which is inconvenient to use and not practical.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device, comprising a base, a first auxiliary fixing assembly, an infrared receiver, a U-shaped plate, a detection mechanism, a pull-out box and a control box,

[0006] A base, a first support plate is fixed on the upper side of the base, and a first conveyor belt is fixed on the first support plate, and a butterfly check valve shell is placed on the upper side of the first conveyor belt, a connecting support plate is fixed on the upper side of the base, and a limited position pushing assembly is fixed on the connecting support plate, a first manipulator, a second manipulator, a third manipulator and a fourth manipulator are fixed on the lower side of the connecting support plate, and a rotating mechanism is fixed on the lower side of the first manipulator, and a positioning shaft clamping structure and a third electric telescopic rod are fixed on the rotating mechanism, the positioning shaft clamping structure is located on the upper side of the third electric telescopic rod, and a nut clamping mechanism is fixed at one end of the third electric telescopic rod, and a spring clamping mechanism is fixed on the lower side of the second manipulator, a hinge clamping mechanism is fixed on the lower side of the third manipulator, and a bolt rotating mechanism is fixed on the lower side of the fourth manipulator, the connecting support plate is located on the left side of the first feeding mechanism, and the first feeding mechanism is located at the rear side of the second conveyor belt, and the connecting support plate is located at the rear side of the second feeding mechanism;

[0007] A first auxiliary fixing component, the first auxiliary fixing component is used to assist in fixing the upper side of the butterfly check valve housing, and the first auxiliary fixing component is fixed to the lower side of the connecting support plate, and an infrared emitter is embedded on the connecting support plate;

[0008] An infrared receiver, wherein the infrared receiver is embedded in a rotating component, and a second auxiliary fixing component is fixed on the rotating component;

[0009] A U-shaped plate, a fifth manipulator is fixed on the upper side of the U-shaped plate, and a clamping assembly is fixed on the lower side of the fifth manipulator, and the U-shaped plate is located at the front side of the detection mechanism.

[0010] Preferably, the limit pushing assembly includes a limit groove, a first electric telescopic rod, a first hydraulic cylinder, a storage box, a second electric telescopic rod and a push plate, the first electric telescopic rod is fixed in the limit groove, and an anti-slip plate is fixed on the upper side of the first electric telescopic rod, the storage box is fixed to the lower side of the first hydraulic cylinder through a piston rod, and the second electric telescopic rod is fixed on the inner wall of the storage box, and a push plate is fixed to one end of the second electric telescopic rod.

[0011] Preferably, the first auxiliary fixing assembly includes a second hydraulic cylinder, an annular slider, an annular groove and an arc-shaped fixed plate. An annular slider is fixed to the lower side of the second hydraulic cylinder through a piston rod, and the annular slider is rotatably connected to the annular groove. At the same time, an arc-shaped fixed plate is fixed to the lower side of the annular groove.

[0012] Preferably, the second auxiliary fixing assembly includes a first fixing plate, a fourth electric telescopic rod, a limiting plate, a slider and a first slide, the fourth electric telescopic rod is fixed to the first fixing plate, and the limiting plate is fixed to one end of the fourth electric telescopic rod, and a slider is fixed to the lower side of the limiting plate, and the lower side of the slider is slidably connected to the first slide.

[0013] Preferably, the rotating assembly includes a driving motor, a support rod, a second slide and a second support plate, the output end of the driving motor is rotatably connected to the second support plate, and a second slide is opened on the lower side of the second support plate, and the second slide is slidably connected to the support rod.

[0014] Preferably, the clamping assembly includes a third support plate, a second fixed plate, a fifth electric telescopic rod and an L-shaped support plate, the second fixed plate is fixed to the lower side of the third support plate, and the fifth electric telescopic rod is fixed on the second fixed plate, and the L-shaped support plate is fixed to one end of the fifth electric telescopic rod.

[0015] Preferably, a discharge port is passed through the left side of the detection mechanism, and a third conveyor belt is passed through the detection mechanism and the U-shaped plate.

[0016] Preferably, the pull-out box is slidably connected to the base, and a display screen is fixed to the left end of the rear side of the base.

[0017] Preferably, the control box is fixed to the front side of the base.

[0018] Compared with the prior art, the invention has the following beneficial effects: the large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device is

[0019] (1) The present invention can limit the position of the butterfly check valve housing and load materials autonomously, can automatically assemble the butterfly check valve, can accurately position and fix the butterfly check valve housing, can directly move the butterfly check valve out of the assembly table after assembly, and does not require manual handling. The limiting plate is driven to move under the auxiliary action of the fourth electric telescopic rod, and the three groups of limiting plates move relatively. Finally, the front, back and right sides of the butterfly check valve housing are clamped and fixed. Under the auxiliary action of the second hydraulic cylinder, the butterfly check valve housing is auxiliaryly fixed by the arc-shaped fixing plate. Such operation can prevent the butterfly check valve housing from moving, which will eventually affect the assembly quality of the butterfly check valve.

[0020] (2) The present invention drives the anti-skid plate on the upper side of the first electric telescopic rod to move upward with the assistance of the first electric telescopic rod, so that the butterfly check valve housing can be limited. The push plate is driven to move rightward with the assistance of the second electric telescopic rod. The push plate pushes the butterfly check valve housing to move rightward to between the second auxiliary fixing components, without the need for manual handling, which facilitates loading.

[0021] (3) The present invention drives the positioning shaft clamped on the positioning shaft clamping structure to penetrate the butterfly check valve housing with the assistance of the first manipulator, and finally the nut clamped on the nut clamping mechanism threadably fixes the positioning shaft. The hinge clamping mechanism on the lower side of the third manipulator can place the hinge on the valve disc, and finally, with the assistance of the bolt rotating mechanism on the lower side of the fourth manipulator, the valve is fixed by bolts. The entire device does not require manual operation, thereby realizing automation, reducing labor costs, and reducing production costs.

[0022] (4) The present invention drives the L-shaped support plate to move relatively with the assistance of the fifth electric telescopic rod, so that the L-shaped support plate clamps the assembled butterfly check valve housing, and moves it to the third conveyor belt with the assistance of the fifth manipulator, without the need for manual handling. The assembled butterfly check valve enters the detection mechanism, so that the detection mechanism can monitor it to ensure the assembly quality of the butterfly check valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0025] Figure 3 It is a right view structural schematic diagram of the present invention;

[0026] Figure 4 It is a rear view structural schematic diagram of the present invention;

[0027] Figure 5 This is a schematic diagram of the distribution structure of the rotating mechanism of the present invention on the first manipulator;

[0028] Figure 6 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0029] In the figure: 1, base, 2, first support plate, 3, first conveyor belt, 4, butterfly check valve housing, 5, limit push assembly, 501, limit groove, 502, first electric telescopic rod, 503, first hydraulic cylinder, 504, storage box, 505, second electric telescopic rod, 506, push plate, 6, connecting support plate, 7, first manipulator, 8, rotating mechanism, 9, positioning shaft clamping structure, 10, third electric telescopic rod, 11, nut clamping mechanism, 12, second manipulator, 13, spring member clamping mechanism, 14, first auxiliary fixing assembly, 1401, second hydraulic cylinder, 1402, annular slider, 1403, annular slide groove, 1404, arc fixing plate, 15, second auxiliary fixing assembly, 1501, first fixing plate, 1502, fourth electric telescopic rod, 1503, limit Position plate, 1504, slider, 1505, first slide, 16, infrared transmitter, 17, infrared receiver, 18, rotating assembly, 1801, driving motor, 1802, support rod, 1803, second slide, 1804, second support plate, 19, third manipulator, 20, hinge clamping mechanism, 21, fourth manipulator, 22, bolt rotating mechanism, 23, first feeding mechanism, 24, second feeding mechanism, 25, second conveyor belt, 26, U-shaped plate, 27, fifth manipulator, 28, clamping assembly, 2801, third support plate, 2802, second fixed plate, 2803, fifth electric telescopic rod, 2804, L-shaped support plate, 29, detection mechanism, 30, discharge port, 31, third conveyor belt, 32, display screen, 33, pull-out box, 34, control box. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-6 The present invention provides a technical solution: a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device, such as Figure 1 and Figure 3As shown, a first support plate 2 is fixed on the upper side of the base 1, and a first conveyor belt 3 is fixed on the first support plate 2, and a butterfly check valve housing 4 is placed on the upper side of the first conveyor belt 3, a connecting support plate 6 is fixed on the upper side of the base 1, and a limited push assembly 5 is fixed on the connecting support plate 6, and the limited push assembly 5 includes a limiting groove 501, a first electric telescopic rod 502, a first hydraulic cylinder 503, a storage box 504, a second electric telescopic rod 505 and a push plate 506, the first electric telescopic rod 502 is fixed in the limiting groove 501, and an anti-skid plate is fixed on the upper side of the first electric telescopic rod 502, a storage box 504 is fixed on the lower side of the first hydraulic cylinder 503 through a piston rod, and a storage box 504 is fixed on the inner wall of the storage box 504. There is a second electric telescopic rod 505, and a push plate 506 is fixed at one end of the second electric telescopic rod 505. The pull-out box 33 is slidably connected to the base 1, and a display screen 32 is fixed to the left end of the rear side of the base 1, and the control box 34 is fixed to the front side of the base 1. With the auxiliary action of the first electric telescopic rod 502 in the limiting groove 501, the anti-slip plate on the upper side of the first electric telescopic rod 502 is driven to move upward, so that the butterfly check valve housing 4 can be limited to prevent the butterfly check valve housing 4 from sliding and entering the interior of the operating table, affecting the assembly quality of other butterfly check valve housings 4. With the auxiliary action of the first conveyor belt 3, the butterfly check valve housing 4 is driven to move to the left side of the rotating component 18, and no manual handling is required, which saves The storage box 504 is moved downward with the assistance of the first hydraulic cylinder 503, and the storage box 504 moves downward to drive the push plate 506 to move downward. The push plate 506 is moved to the right with the assistance of the second electric telescopic rod 505, so that the butterfly check valve housing 4 can be moved between the second auxiliary fixing components 15, which is convenient for later assembly. The setting of the pull-out box 33 can store the parts for later use. With the assistance of the display screen 32, the assembly and detection mechanism 29 can be observed by image, which is convenient for the operator to observe on site. The first manipulator 7, the second manipulator 12, and the third manipulator 19 are fixed to the lower side of the connecting support plate 6. and the fourth manipulator 21, and a rotating mechanism 8 is fixed to the lower side of the first manipulator 7, and a positioning shaft clamping structure 9 and a third electric telescopic rod 10 are fixed on the rotating mechanism 8, the positioning shaft clamping structure 9 is located on the upper side of the third electric telescopic rod 10, and a nut clamping mechanism 11 is fixed to one end of the third electric telescopic rod 10, and a spring member clamping mechanism 13 is fixed to the lower side of the second manipulator 12, a hinge clamping mechanism 20 is fixed to the lower side of the third manipulator 19, and a bolt rotating mechanism 22 is fixed to the lower side of the fourth manipulator 21, the connecting support plate 6 is located on the left side of the first feeding mechanism 23, and the first feeding mechanism 23 is located at the rear side of the second conveyor belt 25, and the connecting support plate 6 is located at the rear side of the second feeding mechanism 24;

[0032] like Figure 1 , Figure 3 and Figure 6As shown, the first auxiliary fixing component 14 is used to auxiliary fix the upper side of the butterfly check valve housing 4, and the first auxiliary fixing component 14 is fixed to the lower side of the connecting support plate 6, and the connecting support plate 6 is inlaid with an infrared transmitter 16, the first auxiliary fixing component 14 includes a second hydraulic cylinder 1401, an annular slider 1402, an annular slide 1403 and an arc-shaped fixed plate 1404, the lower side of the second hydraulic cylinder 1401 is fixed with an annular slider 1402 through a piston rod, and the annular slider 1402 is rotatably connected to the annular slide 1403, and the lower side of the annular slide 1403 is fixed with an arc-shaped fixed plate 1404, the second auxiliary fixing component 15 includes a first fixed plate 1501, a fourth electric telescopic rod 1502, a limit plate 1503, a slider 1504 and a first slide 1505, the first fixed plate 1501 is fixed with a fourth electric telescopic rod 1502, and one end of the fourth electric telescopic rod 1502 The limit plate 1503 is fixed, and a slider 1504 is fixed to the lower side of the limit plate 1503. The lower side of the slider 1504 is slidably connected to the first slideway 1505. The limit plate 1503 is driven to move under the auxiliary action of the fourth electric telescopic rod 1502 on the first fixed plate 1501. In this way, the three groups of limit plates 1503 can assist in fixing the butterfly check valve housing 4. Under the auxiliary action of the second hydraulic cylinder 1401, the lower arc-shaped fixed plate 1404 is driven to move downward. Finally, the arc-shaped fixed plate 1404 fixes the upper side of the butterfly check valve housing 4. In this way, the butterfly check valve housing 4 can avoid shaking during assembly, which finally affects the assembly quality. Under the auxiliary action of the rotating component 18, the upper butterfly check valve housing 4 is driven to rotate. In this way, the arc-shaped fixed plate 1404 can rotate under the auxiliary action of the annular slider 1402 and the annular slide groove 1403. Such operation can ensure the auxiliary fixing quality.

[0033] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, the infrared receiver 17 is embedded in the rotating component 18, and the second auxiliary fixing component 15 is fixed on the rotating component 18. The rotating component 18 includes a driving motor 1801, a support rod 1802, a second slide 1803 and a second supporting plate 1804. The output end of the driving motor 1801 is rotatably connected to the second supporting plate 1804, and the second slide 1803 is provided on the lower side of the second supporting plate 1804. At the same time, the second slide 1803 is slidably connected to the support rod 1802, and the second slide 1803 drives the second supporting plate 1804 under the auxiliary action of the driving motor 1801. The second support plate 1804 rotates, and the second support plate 1804 rotates to rotate the butterfly check valve housing 4 on the second support plate 1804. The support rod 1802 can play an auxiliary supporting role. The fifth manipulator 27 is fixed on the upper side of the U-shaped plate 26, and the clamping assembly 28 is fixed on the lower side of the fifth manipulator 27. At the same time, the U-shaped plate 26 is located in front of the detection mechanism 29. The clamping assembly 28 includes a third support plate 2801, a second fixed plate 2802, a fifth electric telescopic rod 2803 and an L-shaped support plate 2804. The third support plate 28 01 is fixed with a second fixing plate 2802 at the lower side, and a fifth electric telescopic rod 2803 is fixed on the second fixing plate 2802, and an L-shaped support plate 2804 is fixed at one end of the fifth electric telescopic rod 2803, a discharge port 30 is passed through the left side of the detection mechanism 29, and a third conveyor belt 31 is passed through the detection mechanism 29 and the U-shaped plate 26, and the clamping assembly 28 is driven to move to the assembled butterfly check valve housing 4 under the auxiliary action of the fifth electric telescopic rod 2803, and the L-shaped support plate 2804 is driven to move to the assembled butterfly check valve housing 4 under the auxiliary action of the fifth electric telescopic rod 2803. 4 moves relatively, and finally the L-shaped support plate 2804 clamps the butterfly check valve housing 4, and the L-shaped support plate 2804 can prevent the butterfly check valve housing 4 from falling. With the assistance of the fifth manipulator 27, the assembled butterfly check valve housing 4 is moved to the third conveyor belt 31, and with the assistance of the third conveyor belt 31, it is moved into the detection mechanism 29, and is detected with the assistance of the detection mechanism 29. When the assembled butterfly check valve is unqualified, it is discharged through the discharge port 30, which is convenient for the staff to handle.

[0034] Working principle: When using the large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device, the external power supply is turned on, the infrared transmitter 15 model is IR333-A, and the infrared receiver 16 model is LF0038Q. With the assistance of the first conveyor belt 3 on the upper side of the first support plate 2 on the base 1, the butterfly check valve housing 4 is moved to the required position on the right side, and with the assistance of the first electric telescopic rod 502 in the limiting groove 501, the upper anti-slide plate is driven to move upward, and finally the butterfly check valve housing 4 is limited, and with the assistance of the first hydraulic cylinder 503 on the connecting support plate 6, the storage box 504 is driven to move downward to the required position, and with the assistance of the second electric telescopic rod 505 in the storage box 504, the push plate 5 is driven. 06 moves to the right, so that the butterfly check valve housing 4 can be pushed to move to the right, and finally moves to between the second auxiliary fixing components 15, and is accurately positioned with the assistance of the infrared transmitter 16 and the infrared receiver 17. The slider 1504 on the lower side of the limit plate 1503 slides in the first slideway 1505 with the assistance of the fourth electric telescopic rod 1502 on the first fixing plate 1501, and finally the limit plate 1503 relatively fixes the butterfly check valve housing 4, and drives the annular slider 1402 and the arc-shaped fixing plate 1404 on the lower side of the annular slide groove 1403 to move downward with the assistance of the second hydraulic cylinder 1401, so that the arc-shaped fixing plate 1404 fixes the upper side of the butterfly check valve housing 4, With the assistance of the first manipulator 7, the nut clamping mechanism 11 on the positioning shaft clamping structure 9 and the third electric telescopic rod 10 clamps and fixes the nut and the positioning shaft on the second feeding mechanism 24, and with the assistance of the spring member clamping mechanism 13, the spring member is clamped, and with the assistance of the first manipulator 7 and the rotating mechanism 8, the positioning shaft is passed through the butterfly check valve housing 4, the valve disc member, and the spring member on the spring member clamping mechanism 13 on the lower side of the second manipulator 12, and finally the nut on the nut clamping mechanism 11 is passed through both ends of the positioning shaft, and is rotated and fixed with the assistance of the rotating mechanism 8, and with the assistance of the driving motor 1801, the second support plate 1804 is driven to rotate, and the support rod 1802 slides in the second slideway 1803. The rotation of the second support plate 1804 can rotate the butterfly check valve housing 4 on the second support plate 1804 to the left side of the first feeding mechanism 23 on the right side, and the hinge on the second conveyor belt 25 is clamped under the action of the hinge clamping mechanism 20, and the bolts on the first feeding mechanism 23 are clamped with the assistance of the bolt rotating mechanism 22. Finally, the hinge on the hinge clamping mechanism 20 on the lower side of the third manipulator 19 is moved to the outer wall of the valve disc, and the hinge and the valve disc are fixed with the assistance of the fourth manipulator 21 and the bolt rotating mechanism 22. In this way, the entire butterfly check valve is assembled, and the clamping assembly 28 is driven to move to the required position of the butterfly check valve housing 4 with the assistance of the fifth manipulator 27 on the U-shaped plate 26.The L-shaped support plate 2804 is driven to move relatively with the assistance of the fifth electric telescopic rod 2803 on the second fixed plate 2802 at the lower side of the third support plate 2801, and finally the L-shaped support plate 2804 clamps the butterfly check valve housing 4, and finally moves it to the third conveyor belt 31. With the assistance of the third conveyor belt 31, the assembled butterfly check valve is moved into the detection mechanism 29. After detection by the detection mechanism 29, the unqualified butterfly check valve is removed through the discharge port 30. The display screen 32 can be set to observe the assembly and detection, which is simple and convenient to operate. The pull-out box 33 can be set to place parts and components, which increases practicality. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0035] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device, comprising a base (1), a first auxiliary fixing assembly (14), an infrared receiver (17), a U-shaped plate (26), a detection mechanism (29), a pull-out box (33) and a control box (34), characterized in that: A base (1), wherein a first support plate (2) is fixed on the upper side of the base (1), and a first conveyor belt (3) is fixed on the first support plate (2), and a butterfly check valve housing (4) is placed on the upper side of the first conveyor belt (3); a connecting support plate (6) is fixed on the upper side of the base (1), and a limited position pushing assembly (5) is fixed on the connecting support plate (6); a first manipulator (7), a second manipulator (12), a third manipulator (19) and a fourth manipulator (21) are fixed on the lower side of the connecting support plate (6); a rotating mechanism (8) is fixed on the lower side of the first manipulator (7), and a positioning shaft clamping structure (9) and a third manipulator (21) are fixed on the rotating mechanism (8). The electric telescopic rod (10) is provided with a positioning shaft clamping structure (9) which is located on the upper side of the third electric telescopic rod (10), and a nut clamping mechanism (11) is fixed to one end of the third electric telescopic rod (10), and a spring member clamping mechanism (13) is fixed to the lower side of the second manipulator (12), a hinge clamping mechanism (20) is fixed to the lower side of the third manipulator (19), and a bolt rotating mechanism (22) is fixed to the lower side of the fourth manipulator (21), the connecting support plate (6) is located on the left side of the first feeding mechanism (23), and the first feeding mechanism (23) is located on the rear side of the second conveyor belt (25), and the connecting support plate (6) is located on the rear side of the second feeding mechanism (24); A first auxiliary fixing component (14), the first auxiliary fixing component (14) being used to assist in fixing the upper side of the butterfly check valve housing (4), and the first auxiliary fixing component (14) being fixed to the lower side of the connecting support plate (6), and an infrared emitter (16) being embedded on the connecting support plate (6); An infrared receiver (17), wherein the infrared receiver (17) is embedded in a rotating component (18), and a second auxiliary fixing component (15) is fixed on the rotating component (18); A U-shaped plate (26), a fifth manipulator (27) is fixed on the upper side of the U-shaped plate (26), and a clamping assembly (28) is fixed on the lower side of the fifth manipulator (27), the U-shaped plate (26) is located in front of the detection mechanism (29), a discharge port (30) is passed through the left side of the detection mechanism (29), and a third conveyor belt (31) is passed through the detection mechanism (29) and the U-shaped plate (26), the pull-out box (33) is slidably connected to the base (1), and a display screen (32) is fixed to the left end of the rear side of the base (1), and the control box (34) is fixed to the front side of the base (1).

2. According to claim 1, a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device is characterized in that: The position limiting and pushing assembly (5) comprises a position limiting groove (501), a first electric telescopic rod (502), a first hydraulic cylinder (503), a storage box (504), a second electric telescopic rod (505) and a push plate (506); the first electric telescopic rod (502) is fixed in the position limiting groove (501), and an anti-slip plate is fixed on the upper side of the first electric telescopic rod (502); the storage box (504) is fixed on the lower side of the first hydraulic cylinder (503) via a piston rod, and the second electric telescopic rod (505) is fixed on the inner wall of the storage box (504), and a push plate (506) is fixed on one end of the second electric telescopic rod (505).

3. According to claim 1, a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device is characterized in that: The first auxiliary fixing component (14) comprises a second hydraulic cylinder (1401), an annular slider (1402), an annular slide groove (1403) and an arc-shaped fixing plate (1404); the annular slider (1402) is fixed to the lower side of the second hydraulic cylinder (1401) via a piston rod, and the annular slider (1402) is rotatably connected to the annular slide groove (1403); and the arc-shaped fixing plate (1404) is fixed to the lower side of the annular slide groove (1403).

4. A large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device according to claim 1, characterized in that: The second auxiliary fixing assembly (15) comprises a first fixing plate (1501), a fourth electric telescopic rod (1502), a limiting plate (1503), a sliding block (1504) and a first slideway (1505); the fourth electric telescopic rod (1502) is fixed on the first fixing plate (1501), and the limiting plate (1503) is fixed at one end of the fourth electric telescopic rod (1502); the sliding block (1504) is fixed at the lower side of the limiting plate (1503), and the lower side of the sliding block (1504) is slidably connected to the first slideway (1505).

5. According to claim 1, a large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device is characterized in that: The rotating assembly (18) comprises a driving motor (1801), a support rod (1802), a second slideway (1803) and a second support plate (1804); the output end of the driving motor (1801) is rotatably connected to the second support plate (1804), and a second slideway (1803) is provided on the lower side of the second support plate (1804); and the second slideway (1803) is slidably connected to the support rod (1802).

6. A large-caliber ultra-low temperature and high-pressure metal-sealed butterfly check valve processing and assembly device according to claim 1, characterized in that: The clamping assembly (28) comprises a third support plate (2801), a second fixed plate (2802), a fifth electric telescopic rod (2803) and an L-shaped support plate (2804); the second fixed plate (2802) is fixed to the lower side of the third support plate (2801), the fifth electric telescopic rod (2803) is fixed to the second fixed plate (2802), and the L-shaped support plate (2804) is fixed to one end of the fifth electric telescopic rod (2803).

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