Water pipe connector size detection equipment

Abstract

The invention belongs to the technical field of water pipe connector production, and relates to water pipe connector size detection equipment which comprises two symmetrically arranged supporting frames, a conveying belt is arranged at the top between the two supporting frames, and a plurality of connecting boxes are fixedly connected to the outer surface of the conveying belt at intervals. A moving plate is slidably arranged on the face, away from the conveying belt, of each connecting box, two symmetrical limiting rods are fixedly connected to the face, away from the conveying belt, of each connecting box, a first driving part is arranged at one end of the conveying belt, and the first driving part drives the moving plates to move towards the sides close to the limiting rods; a second driving piece is arranged at the other end of the conveying belt and drives the moving plate to move towards the side away from the limiting rod, and a water pipe connector is arranged between the moving plate and the limiting rod. The device has the advantages that the first rack is matched with the first gear, and the second rack is matched with the second gear, so that the water pipe connector is automatically fixed and released in the moving process of the connecting box, and the device is convenient to use.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of water pipe joint production and relates to a water pipe joint size detection equipment. BACKGROUND

[0002] The water pipe joint is a component for connecting water pipes, and its accessory types include elbows, tees, inner and outer thread joints, etc. After the production of the water pipe joint is completed, in order to ensure its sealing performance and connection stability, the water pipe joint needs to be subjected to size detection.

[0003] A pipe size detection device disclosed in Chinese patent CN202421324493.X comprises a first sliding frame and a second sliding frame, the first sliding frame and the second sliding frame are both horizontally placed frame bodies, and the first sliding frame and the second sliding frame can independently and freely move, a first sliding rail is formed on the first sliding frame, the first sliding rail is linearly arranged, a second sliding rail is formed on the second sliding frame, the second sliding rail is also linearly arranged, the first sliding rail is the same as the second sliding rail, a third sliding frame is slidably connected to the second sliding rail, a third sliding rail is slidably connected to the third sliding frame, the third sliding rail is also linearly arranged, and the third sliding rail and the second sliding rail are arranged perpendicularly to each other.

[0004] Before the size detection device detects the pipe, the rotating nut and the locking pin need to be operated to install the pipe, and after the detection, the pipe needs to be reassembled, and then the rotating nut needs to be operated by the staff multiple times, thereby reducing the work efficiency.

[0005] To solve the above problems, the application provides a water pipe joint size detection equipment. SUMMARY

[0006] To solve the problems in the background art, the application provides a water pipe joint size detection equipment.

[0007] To achieve the above purpose, the application adopts the following technical scheme: two symmetrical support frames are arranged, a camera is arranged on the top of each support frame, a conveyor belt is arranged on the top between the two support frames, a plurality of connecting boxes are fixedly connected to the outer surface of the conveyor belt at intervals, a moving plate is slidably arranged on the side of each connecting box away from the conveyor belt, and two symmetrical limiting rods are fixedly connected to the side of each connecting box away from the conveyor belt. One end of the conveyor belt is provided with a first driving member, the first driving member drives the moving plate to move towards the side close to the limiting rod, the other end of the conveyor belt is provided with a second driving member, the second driving member drives the moving plate to move away from the limiting rod, and a water pipe joint is arranged between the moving plate and the limiting rod. One side of one of the support frames is provided with an extension assembly, the extension end of the extension assembly is provided with a push plate, and the push plate is slidably arranged on the side of the connecting box provided with the limiting rod.

[0008] Further, two ends of one side of each of the moving plates close to the limiting rod are fixedly connected with springs, the other ends of the two springs are fixedly connected with the same clamping plate, the clamping plate is slidingly arranged on the connecting box, and the water pipe joint is movably arranged between the clamping plate and the limiting rod. Two limiting grooves are symmetrically arranged on one side of each of the connecting boxes away from the conveying belt, two ends of one side of each of the moving plates and the clamping plate close to the connecting box are fixedly connected with limiting blocks, the limiting blocks correspond to the limiting grooves in a one-to-one manner, and the limiting blocks are in limiting and sliding connection in the corresponding limiting grooves.

[0009] Further, an L-shaped rotating plate is rotatably arranged in the interior of each of the connecting boxes, and a rotating piece is arranged in the interior of each of the connecting boxes, and the rotating piece drives the rotating plate to rotate. A rotating shaft is fixedly connected to the corner of the middle portion of each of the rotating plates, the end of the rotating shaft is rotatably connected to the inner wall of the connecting box, and two ends of each of the rotating plates are provided with a waist-shaped groove. A second clamping rod is fixedly connected to the middle portion of one side of each of the moving plates close to the connecting box, and the second clamping rod is in limiting and sliding connection in one of the waist-shaped grooves of the rotating plate.

[0010] Further, the rotating piece comprises a lead screw, and the first driving piece and the second driving piece drive the lead screw to rotate, and one end of the lead screw is rotatably connected to the connecting box. A sliding block is threadedly arranged on each of the lead screws, the sliding block is in sliding connection with the inner wall of the connecting box, one side of each of the sliding blocks away from the conveying belt is fixedly connected with a first clamping rod, and the first clamping rod is in sliding connection in the other waist-shaped groove of the corresponding rotating plate.

[0011] Further, the first driving piece comprises a first rack, the top of one of the support frames is fixedly connected with an L-shaped mounting bracket, and the first rack is fixedly connected to the bottom surface of the top end of the mounting bracket. Both ends of the lead screw are rotatably arranged through the side surface of the connecting box, a first gear is fixedly connected to one end of the lead screw in a coaxial manner, and when the connecting box moves to the first rack, the first gear is in meshing connection with the first rack.

[0012] Further, the second driving piece comprises a second rack, and the second rack is fixedly connected to the top of the other support frame away from the first rack. The other end of the lead screw is fixedly connected with a second gear in a coaxial manner, and when the connecting box moves to the second rack, the second gear is in meshing connection with the second rack.

[0013] Further, a conveying belt is arranged between the two support frames close to the second driving piece, and the conveying belt is located below the conveying belt.

[0014] Further, the telescopic assembly comprises a cylinder, one support frame provided with the telescopic assembly is fixedly connected with a T-shaped connecting plate close to one end of the conveying belt, the connecting plate is composed of a horizontal transverse plate and a vertical vertical plate, the vertical plate is fixedly connected with the support frame; The end of the transverse plate away from the vertical plate is rotationally connected with a connecting rod, the bottom end of the connecting rod is rotationally connected with a second hinge block, the bottom end of the vertical plate is rotationally connected with a first hinge block, one end of the cylinder is fixedly connected to one side of the first hinge block, and the telescopic end of the cylinder is fixedly connected to one side of the second hinge block; The top end of the connecting rod is rotationally connected with a hinge plate, the end of the hinge plate away from the connecting rod is rotationally connected with a sliding rod, the sliding rod horizontally slides through the top end of the vertical plate, and the push plate is fixedly connected to the end of the sliding rod.

[0015] Further, one support frame without the telescopic assembly is fixedly installed with a collecting box close to one end of the conveying belt, the top surface of the collecting box is flush with the top surface of the conveying belt, and the collecting box corresponds to the push plate.

[0016] Compared with the prior art, the present application has the following beneficial effects: The water pipe joint size detection equipment is provided with first and second racks, when the first gear is driven to move to mesh with the first rack by the conveying belt, the moving plate is driven to move close to the limiting rod, so that the water pipe joint can be fixed, when the second gear is moved to mesh with the second rack, the moving plate is driven to move away from the limiting rod, so that the water pipe joint is automatically fixed and released during the movement of the connecting box, convenient to use, and work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional structure schematic diagram of the first perspective of the present application; Figure 2 is a three-dimensional structure schematic diagram of the second perspective of the present application; Figure 3 is a structure schematic diagram of the support frame in the present application; Figure 4 is a structure schematic diagram of the collecting box in the present application; Figure 5 is a structure schematic diagram of the present application Figure 2 A enlarged structure schematic diagram in the present application; Figure 6 is a structure schematic diagram of the inside of the collecting box in the present application; Figure 7 is a structure schematic diagram of the rotating plate in the present application; Figure 8 is a structure schematic diagram of the connecting plate in the present application; Figure 9 is a structure schematic diagram of the camera in the present application.

[0018] In the figure: 1. Support frame; 2. Conveyor belt; 3. Connecting box; 4. Screw rod; 5. First gear; 6. First rack; 7. Second gear; 8. Second rack; 9. Slider; 10. First clamping rod; 11. Rotating plate; 12. Second clamping rod; 13. Moving plate; 14. Spring; 15. Clamping plate; 16. Limiting rod; 17. Water pipe joint; 18. Support seat; 19. Camera; 20. Collecting box; 21. Connecting plate; 22. First hinge block; 23. Cylinder; 24. Second hinge block; 25. Connecting rod; 26. Sliding rod; 27. Hinge plate; 28. Push plate; 29. ​​Conveyor belt; 30. Rotating shaft; 31. Mounting frame; 32. Limiting slot. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0020] like Figures 1-9 As shown, the technical solution adopted by the present invention is as follows: a water pipe joint size detection device includes two symmetrically arranged support frames 1, and a camera 19 is provided on the top of the two support frames 1.

[0021] A support base 18 is fixedly mounted on the bottom of each camera 19 , and the support base 18 is fixedly connected to the side surface of the support frame 1 .

[0022] The automatic measurement function using camera 19 is a non-contact measurement method using visual technology. It is a scientific discipline based on computer vision. Its main task is to obtain three-dimensional information of the corresponding scene by processing the collected images or videos. This is a mature technology and will not be elaborated on here.

[0023] A conveyor belt 2 is installed between the two support frames 1. Several connection boxes 3 are fixedly connected to the outer surface of the conveyor belt 2 at intervals. A movable plate 13 is slidably mounted on the side of each connection box 3 facing away from the conveyor belt 2. Two symmetrical limit rods 16 are fixedly connected to the side of each connection box 3 facing away from the conveyor belt 2. The movable plates 13 and limit rods 16 are positioned on the same surface of the connection box 3.

[0024] A water pipe joint 17 is provided between the movable plate 13 and the limiting rod 16. When the conveyor belt 2 moves the connection box 3 to the position at the top of the conveyor belt 2, the movable plate 13 and the limiting rod 16 are upward, so that the water pipe joint 17 is positioned.

[0025] Each movable plate 13 has springs 14 fixedly connected to both ends near the limiting rod 16. The other ends of the two springs 14 are fixedly connected to a common clamping plate 15. The clamping plate 15 is slidably mounted on the connection box 3. The movable plate 13 is driven by the springs 14 to move the clamping plate 15, thereby changing the distance between the clamping plate 15 and the limiting rod 16.

[0026] The water pipe joint 17 is movably arranged between the clamping plate 15 and the limiting rod 16 so that the movable plate 13 clamps and fixes the water pipe joint 17 through the movable clamping plate 15.

[0027] Each connection box 3 has two symmetrical stop slots 32 on the side facing away from the conveyor belt 2. Each movable plate 13 and clamping plate 15 has stop blocks fixedly connected at both ends of the side facing the connection box 3. The stop blocks correspond one-to-one with the stop slots 32, and the stop blocks slide within the corresponding stop slots 32. The stop blocks and the stop slots 32 cooperate to position the movable plate 13 and clamping plate 15 on the connection box 3.

[0028] One end of the conveyor belt 2 is provided with a first driving member, which drives the movable plate 13 to move toward a side close to the limiting rod 16. At this time, the movable plate 13 pushes the clamping plate 15 to clamp the water pipe joint 17.

[0029] The other end of the conveyor belt 2 is provided with a second driving member, which drives the movable plate 13 to move to a side away from the limiting rod 16. At this time, the movable plate 13 pulls the clamping plate 15 to leave the water pipe joint 17.

[0030] An L-shaped rotating plate 11 is rotatably provided inside each connection box 3. A rotating member is provided inside each connection box 3, and the rotating member drives the rotating plate 11 to rotate.

[0031] A rotating shaft 30 is fixedly connected to a corner in the middle of each rotating plate 11, and the end of the rotating shaft 30 is rotatably connected to the inner wall of the connection box 3. The rotating plate 11 is positioned in the connection box 3 by the rotating shaft 30.

[0032] Each rotating plate 11 has a waist-shaped groove at both ends. The waist-shaped groove is an oblong structure with semicircular ends and a rectangular middle.

[0033] A second latching rod 12 is fixedly connected to the middle portion of each movable plate 13 near the connection box 3. The second latching rod 12 is slidably connected to one of the waist-shaped grooves of the rotating plate 11. The connection box 3 has a through hole located between the two limiting grooves 32, and the second latching rod 12 slides through the through hole.

[0034] The rotating member includes a screw rod 4, and the first driving member and the second driving member both drive the screw rod 4 to rotate. The screw rod 4 is rotatably connected to one end in the connection box 3.

[0035] Each screw rod 4 is threadedly sleeved with a sliding block 9, and the sliding block 9 is in sliding fit with the inner wall of the connecting box 3. The screw rod 4 drives the sliding block 9 to slide in the connecting box 3 when the screw rod 4 rotates.

[0036] The side of each sliding block 9 away from the conveying belt 2 is fixedly connected with a first clamping rod 10, and the first clamping rod 10 is slidably connected in the other waist-shaped groove of the corresponding rotating plate 11. The sliding block 9 drives the first clamping rod 10 to move, so that the first clamping rod 10 pushes the corresponding waist-shaped groove, thereby driving the rotating plate 11 to rotate.

[0037] The first driving member includes a first rack 6. The top of one of the support frames 1 is fixedly connected with an L-shaped mounting bracket 31, and the first rack 6 is fixedly connected to the bottom surface of the top end of the mounting bracket 31. The teeth on the first rack 6 face downward.

[0038] Both ends of the screw rod 4 are rotatably penetrated through the side surface of the connecting box 3, and one end of the screw rod 4 is coaxially fixedly connected with a first gear 5. When the connecting box 3 moves to the first rack 6, the first gear 5 is engaged with the first rack 6. The first rack 6 drives the first gear 5 to rotate, thereby driving the screw rod 4 to rotate.

[0039] The second driving member includes a second rack 8. The second rack 8 is fixedly connected to the top of the other support frame 1 away from the first rack 6. The teeth on the second rack 8 face upward.

[0040] The other end of the screw rod 4 is coaxially fixedly connected with a second gear 7. When the connecting box 3 moves to the second rack 8, the second gear 7 is engaged with the second rack 8. The second rack 8 drives the second gear 7 to rotate, thereby driving the screw rod 4 to rotate.

[0041] One side of one of the support frames 1 is provided with a telescopic assembly, and the telescopic end of the telescopic assembly is provided with a push plate 28 which is slidably arranged on the side of the connecting box 3 provided with the limiting rod 16. The push plate 28 can slide on the connecting box 3.

[0042] The end of the two support frames 1 close to the second driving member is provided with a conveying belt 29 which is located below the conveying belt 2. The water pipe joint 17 on the conveying belt 2 after detection is allowed to fall on the conveying belt 29, and the conveying belt 29 conveys the water pipe joint 17. In actual application, a baffle can be arranged around the conveying belt 29, so that the water pipe joint 17 can be blocked when falling downward, and the water pipe joint 17 is prevented from falling outside the conveying belt 29. The baffle is not shown in the figure.

[0043] The telescopic assembly includes a gas cylinder 23. The end of the support frame 1 provided with the telescopic assembly close to the conveying belt 29 is fixedly connected with a T-shaped connecting plate 21. The connecting plate 21 is composed of a horizontal plate and a vertical plate which is fixedly connected with the support frame 1. The horizontal plate and the vertical plate cooperatively form a T-shaped structure.

[0044] The horizontal plate is rotatably connected with a connecting rod 25 at one end away from the vertical plate, and the bottom end of the connecting rod 25 is rotatably connected with a second hinge block 24. The connecting rod 25 can drive the second hinge block 24 to rotate.

[0045] The bottom end of the vertical plate is rotatably connected with a first hinge block 22, one end of a gas cylinder 23 is fixedly connected to one side of the first hinge block 22, and the telescopic end of the gas cylinder 23 is fixedly connected to one side of the second hinge block 24. When the telescopic end of the gas cylinder 23 is extended or shortened, it can push the connecting rod 25 to rotate.

[0046] The top end of the connecting rod 25 is rotatably connected with a hinge plate 27, and the end away from the connecting rod 25 of the hinge plate 27 is rotatably connected with a sliding rod 26. The sliding rod 26 horizontally slides through the top end of the vertical plate, and a push plate 28 is fixedly connected to the end of the sliding rod 26. When the connecting rod 25 rotates, it will pull the sliding rod 26 to move through the hinge plate 27, so that the push plate 28 moves on the connecting box 3.

[0047] One end of a support frame 1 without a telescopic assembly is fixedly installed with a collection box 20 close to the conveying belt 29, the top surface of the collection box 20 is flush with the top surface of the conveying belt 2, and the collection box 20 corresponds to the push plate 28. In order to facilitate the push plate 28 to push the water pipe joint 17 on the connecting box 3, so that the water pipe joint 17 falls into the collection box 20.

[0048] Working principle: In use, the worker places the water pipe joint 17 on one connecting box 3 located on the top surface of the conveying belt 2 and away from the conveying belt 29. The water pipe joint 17 is located between the limiting rod 16 and the clamping plate 15, so that the water pipe joint 17 is in contact with the two limiting rods 16, and the bent end of the water pipe joint 17 is located close to the collection box 20.

[0049] The conveying belt 2 drives the connecting box 3 to move, so that the first gear 5 and the second gear 7 move. The moving speed of the conveying belt 2 should not be too fast.

[0050] The conveying belt 2 will first move the connecting box 3 to the first rack 6, so that the first gear 5 is engaged with the first rack 6. The first rack 6 drives the first gear 5 to rotate, so that the lead screw 4 and the second gear 7 rotate in the first direction.

[0051] The lead screw 4 drives the sliding block 9 to slide in the connecting box 3, and the sliding block 9 drives the first clamping rod 10 to slide in one waist-shaped groove at one end of the rotating plate 11. The first clamping rod 10 will push the corresponding waist-shaped groove to make the rotating plate 11 rotate, so that the rotating shaft 30 rotates.

[0052] The rotating plate 11 drives another waist-shaped slot to rotate, which pushes the second clamping rod 12 to move. The second clamping rod 12 drives the moving plate 13 to move towards the side close to the limiting rod 16. The moving plate 13 drives the clamping plate 15 to move through the spring 14, so that the clamping plate 15 moves close to the water pipe joint 17.

[0053] When the clamping plate 15 contacts the water pipe joint 17, the clamping plate 15 can no longer move. The continued movement of the moving plate 13 compresses the spring 14, which has a pushing force on the clamping plate 15, so that the clamping plate 15 abuts against the water pipe joint 17. Further, the clamping plate 15 cooperates with the limiting rod 16 to fix the water pipe joint 17.

[0054] After clamping the water pipe joint 17, the first gear 5 moves away from the first rack 6. The first gear 5 no longer rotates, and the clamping plate 15 continuously clamps the water pipe joint 17 due to the self-locking of the lead screw 4 on the sliding block 9.

[0055] Then the connecting box 3 drives the water pipe joint 17 to move to the camera 19, so that the camera 19 photographs the water pipe joint 17, thereby detecting the size of the water pipe joint 17. The function of automatically measuring the size by photographing through the camera 19 is a non-contact measurement method using visual technology. It is a scientific discipline based on computer vision, and its main task is to obtain three-dimensional information of the corresponding scene by processing the collected pictures or videos. This is a mature technology, and will not be described in detail here.

[0056] Then the connecting box 3 drives the second gear 7 to move to the second rack 8, and the second rack 8 drives the second gear 7 to rotate. The lead screw 4 and the first gear 5 rotate in the second direction. Similarly, the moving plate 13 moves away from the side close to the limiting rod 16.

[0057] Due to the compression of the spring 14, the moving plate 13 drives one end of the spring 14 to move, and the other end of the spring 14 continues to push the clamping plate 15 to abut against the water pipe joint 17.

[0058] After the spring 14 returns to the initial state, the moving plate 13 drives the spring 14 and the clamping plate 15 to move. The clamping plate 15 moves away from the water pipe joint 17, and the water pipe joint 17 is no longer clamped. Then the water pipe joint 17 moves to the push plate 28.

[0059] If it is detected that the size of the water pipe joint 17 is unqualified, the air cylinder 23 is started, and the extension end of the air cylinder 23 is elongated to drive the connecting rod 25 to rotate. The connecting rod 25 drives the sliding rod 26 to move through the hinged plate 27, so that the sliding rod 26 drives the push plate 28 to move to the top of the corresponding connecting box 3.

[0060] The push plate 28 pushes the water pipe joint 17 to move towards the side close to the collecting box 20, and the water pipe joint 17 falls into the collecting box 20 under the action of gravity. Then the extension end of the air cylinder 23 is retracted, and the push plate 28 is moved out of the connecting box 3.

[0061] Since the moving speed of the conveying belt 2 is slow, the extension and retraction of the extension end of the air cylinder 23 is a rapid process, and thus the water pipe joint 17 can be rapidly pushed to move.

[0062] If the size of the water pipe joint 17 is qualified, the connecting box 3 continues to move to the conveying belt 29, and when the connecting box 3 moves to the end of the conveying belt 2, the side of the connecting box 3 provided with the limiting rod 16 is moved downwards, so that the water pipe joint 17 falls onto the conveying belt 29.

[0063] In actual application, a baffle can be arranged around the conveying belt 29, so that the water pipe joint 17 is blocked when falling, and the water pipe joint 17 is prevented from falling outside the conveying belt 29. The baffle is not shown in the figure.

[0064] Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water pipe joint size detection device, comprising two symmetrically arranged support frames (1), each of the two support frames (1) being provided with a camera (19) on its top, characterized in that: A conveyor belt (2) is provided on the top between the two support frames (1), and a plurality of connection boxes (3) are fixedly connected to the outer surface of the conveyor belt (2) at intervals, and a movable plate (13) is slidably provided on the side of each connection box (3) away from the conveyor belt (2), and two symmetrical limit rods (16) are fixedly connected to the side of each connection box (3) away from the conveyor belt (2); A first driving member is provided at one end of the conveyor belt (2), and the first driving member drives the movable plate (13) to move toward a side close to the limiting rod (16); a second driving member is provided at the other end of the conveyor belt (2), and the second driving member drives the movable plate (13) to move toward a side away from the limiting rod (16); a water pipe joint (17) is provided between the movable plate (13) and the limiting rod (16); A telescopic assembly is provided on one side of one of the support frames (1), a push plate (28) is provided at the telescopic end of the telescopic assembly, and the push plate (28) is slidably provided on a side of the connection box (3) on which a limit rod (16) is provided.

2. The water pipe joint size detection device according to claim 1, characterized in that: The two ends of each movable plate (13) on one side close to the limiting rod (16) are fixedly connected to a spring (14), and the other ends of the two springs (14) are fixedly connected to the same clamping plate (15), the clamping plate (15) is slidably arranged on the connecting box (3), and the water pipe connector (17) is movably arranged between the clamping plate (15) and the limiting rod (16); Each of the connection boxes (3) has two symmetrical limit slots (32) on a side away from the conveyor belt (2), and each of the movable plate (13) and the clamping plate (15) has two fixed limit blocks at both ends of a side close to the connection box (3). The limit blocks correspond to the limit slots (32) one by one, and the limit blocks are slidably connected in the corresponding limit slots (32).

3. The water pipe joint size detection device according to claim 1, characterized in that: An L-shaped rotating plate (11) is rotatably provided inside each of the connection boxes (3), and a rotating member is provided inside each of the connection boxes (3), and the rotating member drives the rotating plate (11) to rotate; A rotating shaft (30) is fixedly connected to a corner in the middle of each rotating plate (11), and an end of the rotating shaft (30) is rotatably connected to the inner wall of the connecting box (3). Both ends of each rotating plate (11) are provided with waist-shaped grooves; A second clamping rod (12) is fixedly connected to the middle of one side of each movable plate (13) close to the connection box (3), and the second clamping rod (12) is limitedly slidably connected to one of the waist-shaped grooves of the rotating plate (11).

4. The water pipe joint size detection device according to claim 3, characterized in that: The rotating member includes a screw rod (4), the first driving member and the second driving member both drive the screw rod (4) to rotate, and the screw rod (4) is rotatably connected to one end in the connection box (3); A slider (9) is threadedly sleeved on each of the screw rods (4), and the slider (9) is slidably engaged with the inner wall of the connecting box (3). A first clamping rod (10) is fixedly connected to the side of each slider (9) away from the conveyor belt (2), and the first clamping rod (10) is slidably connected to another waist-shaped groove of the corresponding rotating plate (11).

5. The water pipe joint size detection device according to claim 4, characterized in that: The first driving member comprises a first rack (6), wherein the top of one of the support frames (1) is fixedly connected to an L-shaped mounting frame (31), and the first rack (6) is fixedly connected to the bottom surface of the top end of the mounting frame (31); Both ends of the screw rod (4) rotate and penetrate the side surface of the connecting box (3), and one end of the screw rod (4) is coaxially fixedly connected to the first gear (5). When the connecting box (3) moves to the first rack (6), the first gear (5) meshes with the first rack (6).

6. The water pipe joint size detection device according to claim 5, characterized in that: The second driving member comprises a second rack (8), and the second rack (8) is fixedly connected to the top of another support frame (1) away from the end of the first rack (6); The other end of the screw rod (4) is coaxially fixedly connected to the second gear (7), and when the connecting box (3) moves to the second rack (8), the second gear (7) meshes with the second rack (8).

7. The water pipe joint size detection device according to claim 1, characterized in that: A conveyor belt (29) is provided between the two support frames (1) at one end close to the second driving member, and the conveyor belt (29) is located below the conveyor belt (2).

8. The water pipe joint size detection device according to claim 7, characterized in that: The telescopic assembly includes a cylinder (23), and a support frame (1) provided with the telescopic assembly is fixedly connected to a T-shaped connecting plate (21) at one end close to the conveyor belt (29). The connecting plate (21) is composed of a horizontal transverse plate and a vertical vertical plate, and the vertical plate is fixedly connected to the support frame (1); One end of the horizontal plate away from the vertical plate is rotatably connected to a connecting rod (25), the bottom end of the connecting rod (25) is rotatably connected to a second hinge block (24), the bottom end of the vertical plate is rotatably connected to a first hinge block (22), one end of the cylinder (23) is fixedly connected to one side of the first hinge block (22), and the telescopic end of the cylinder (23) is fixedly connected to one side of the second hinge block (24); The top end of the connecting rod (25) is rotatably connected to a hinge plate (27), and the end of the hinge plate (27) away from the connecting rod (25) is rotatably connected to a slide rod (26). The slide rod (26) slides horizontally through the top end of the vertical plate, and the push plate (28) is fixedly connected to the end of the slide rod (26).

9. The water pipe joint size detection device according to claim 8, characterized in that: A collecting box (20) is fixedly mounted on one end of a support frame (1) without a telescopic assembly close to the conveyor belt (29). The top surface of the collecting box (20) is flush with the top surface of the conveyor belt (2), and the collecting box (20) corresponds to the push plate (28).

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