Hollow rotary positioner with feeding and discharging device

By designing a belt loading and unloading device in the welding displacement machine, using the hinge and moving devices to achieve angle inclination and automatic loading and unloading, the problems of high temperature and angle adjustment of the workpiece after welding are solved, and the welding efficiency and degree of automation are improved.

CN119216966AInactive Publication Date: 2024-12-31无锡法思特机器人自动化有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411410691.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2024-12-31
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing welding positioning machine has a high temperature of the workpiece after welding and is inconvenient to disassemble and assemble, which affects the welding efficiency and requires an angle inclination during welding, but it is difficult for existing equipment to achieve automated and efficient loading and unloading operations.

Method used

A hollow rotary displacement machine with loading and unloading device is designed, and a base is hinged to the workbench. The workbench is tilted at an angle through the first pushing member, and a moving device and a clamping mechanism are provided on the base to realize the automatic up and down of the workpiece. Material and angle adjustment, the clamping mechanism position is adjusted using rack, gear and motor, and combined with cylinder and rail system to achieve rapid movement and positioning of the workpiece.

Benefits of technology

It realizes rapid automatic disassembly and angle adjustment of workpieces after welding, improves welding efficiency, reduces manual operation, and ensures optimal angle and efficient production during welding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119216966A_ABST
    Figure CN119216966A_ABST
Patent Text Reader

Abstract

The invention relates to a hollow rotary positioner with a feeding and discharging device. Comprising a base, a workbench hinged to one side of the base, a moving device for moving a workpiece, a clamping mechanism for clamping and rotating the workpiece, a positioning mechanism for positioning the end face of the workpiece, a first pushing piece for driving the workbench and the base to incline, and a welding piece for welding the workpiece. One end of the workbench is hinged to one end of the base, and one end of the first pushing piece is hinged to the other side of the base. The other end of the first pushing piece is hinged to the other end of the workbench. A rubber part is arranged at the other end of the workbench; when the rubber part makes contact with the base, the workbench is in a horizontal state. The moving device is arranged on the base; and two groups of moving devices are oppositely arranged. The problems that the temperature of a welded workpiece is high, the workpiece on a main rotary table is inconvenient to disassemble and assemble immediately, the overall welding efficiency is affected, and meanwhile angle inclination is needed in the welding process are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the field of positioners, and in particular to a hollow rotary positioner with a loading and unloading device. Background Art

[0002] The welding positioner is a device used to drag the workpiece to be welded so that the weld seam to be welded moves to the ideal position for welding operations.

[0003] The welding positioners in the prior art are all equipped with a rotating main turntable, on which several workpieces to be welded are clamped. The main turntable rotates in sequence, so that the workpieces to be welded are automatically rotated in sequence under the welding gun for welding. Although this improves the efficiency, the number of workpieces to be welded clamped on the main turntable is limited. Whenever the workpieces to be welded clamped on the main turntable are welded, the machine needs to be stopped for disassembly, and manual loading and unloading are performed, which is very inconvenient and affects the overall welding efficiency.

[0004] Moreover, the temperature of the workpiece after welding is relatively high, which makes it inconvenient to immediately disassemble and assemble the workpiece on the main turntable, thus further affecting the overall welding efficiency. At the same time, an angle tilt is required during the welding process. Summary of the invention

[0005] The embodiment of the present application provides a hollow rotary positioner with a loading and unloading device, which solves the problem in the prior art that the temperature of the workpiece after welding is high, it is inconvenient to immediately disassemble and assemble the workpiece on the main turntable, which further affects the overall welding efficiency, and an angle tilt is required during the welding process.

[0006] The technical solution adopted in the embodiments of the present application is as follows.

[0007] A hollow rotary positioner with loading and unloading devices, comprising a base, a worktable hinged on one side of the base, a moving device for moving a workpiece, a clamping mechanism for clamping and rotating the workpiece, a positioning mechanism for positioning the end face of the workpiece, a first pusher for driving the angle between the worktable and the base to be tilted, and a welding member for welding the workpiece; one end of the worktable is hinged to one end of the base, and one end of the first pusher is hinged to the other side of the base; the other end of the first pusher is hinged to the other end of the worktable; a rubber member is arranged at the other end of the worktable; when the rubber member contacts the base, the worktable is in a horizontal state; the moving device is arranged on the base; two groups of the moving devices are arranged relatively; two groups of the clamping mechanisms are arranged relatively; one group of the clamping mechanisms is fixed on the worktable, and the other group of the clamping mechanisms slides on the worktable; an adjusting component is arranged on the other group of the clamping mechanisms; the adjusting component limits the position of the clamping mechanism; the moving direction of the clamping mechanism is perpendicular to the moving direction of the moving device; the welding member is arranged on one side of the base; the positioning mechanism is arranged on the movable clamping mechanism.

[0008] As a further improvement of the above technical solution: the moving device includes a first bracket, a support plate sliding on the first bracket, a cylinder arranged on the support plate, a first block arranged on the support plate, a first axis sliding on the first block, a first rod rotating on the first axis, a second rod rotating on the support plate and a support plate arranged above the first rod and the second rod; a first groove is provided on the first block; the first axis slides in the first groove; a second block is provided on the support plate; a second groove is provided on the second block; a second axis is provided at one end of the second rod; the second axis slides in the second groove; the first rod and the second rod are hinged at the overlap; brackets are provided at both ends of the support plate; the brackets correspond to the clamping mechanism, the discharging end and the unloading end.

[0009] As a further improvement of the above technical solution: the clamping mechanism includes a second bracket, a first rotating frame rotating in the second bracket, a second rotating frame hinged on the first rotating frame, a first guide wheel guiding the first rotating frame, a second guide wheel to prevent the rotating frame from shaking during rotation, a limiting component fixing the second rotating frame on the first rotating frame, a clamp for clamping a workpiece and a lifting mechanism for lifting or lowering the second rotating frame, and a rotating component driving the second rotating frame to rotate; a third slot is provided on the first rotating frame; the clamp is arranged in the third slot; the limiting component is arranged on the top of the first rotating frame; a first extension is arranged on the side wall of the first rotating frame; a second extension is arranged on the side wall of the second rotating frame; the first extension is a full circle when the second extension is attached; the first rotating frame is a full circle when the second rotating frame is attached and the top of the third slot is limited at this time; the first guide wheel abuts against the inner and outer walls of the first extension; the second guide wheel abuts against the plane side wall of the first extension; the lifting mechanism is arranged on the first rotating frame; the rotating component is arranged on the second bracket.

[0010] As a further improvement of the above technical solution: the lifting mechanism includes a second pushing member, a third rotating frame rotating on the first rotating frame and a third guide wheel arranged on the third rotating frame; the second pushing member is arranged on the first rotating frame; the third guide wheel is in contact with the inner side wall of the second extended edge; the pushing end of the second pushing member is hinged to the third rotating frame.

[0011] As a further improvement of the above technical solution: a third pushing member is arranged on the second bracket; a limiting groove is provided on the first rotating frame; the action end of the third pushing member corresponds to the limiting groove; when the action end of the third pushing member is inserted into the limiting groove, the first rotating frame is reset.

[0012] As a further improvement of the above technical solution: the clamp includes a third block, a rotating axis rotating on the third block, a first clamping member for limiting the left and right sides of the workpiece, and a second clamping member for limiting the top of the workpiece; the second clamping member is arranged on the second rotating frame; the first clamping member is arranged on the side wall of the third groove; the first clamping member is arranged in two groups relatively.

[0013] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0014] 1. As the base is set on the ground, a workbench is hinged on one side of the base, the length and width of the workbench correspond to the base, one side of the workbench is hinged on one side of the base, and a rubber part is arranged on the other side of the workbench. When the rubber part contacts the base, the workbench is in a horizontal state. A first pusher is arranged on the end of the base away from the hinge point, the action end of the first pusher is hinged on the workbench, and the other end of the first pusher is hinged on the base. When the first pusher pushes the workbench, the workbench is tilted at an angle. Moving devices are arranged at both ends of the workbench, and the moving devices move the workpiece from the feeding end to the clamping mechanism to wait for the welding to be completed. The workpiece in the holding mechanism moves to the discharge port. Two groups of clamping mechanisms are relatively arranged, one group of clamping mechanisms is fixed on the workbench, and the other group of clamping mechanisms slides on the workbench. An adjusting component is arranged on the sliding clamping mechanism, and the adjusting component is composed of a rack, a gear and a motor, so as to adjust the position of the clamping mechanism to adapt to workpieces of different lengths. A positioning mechanism is arranged on the sliding clamping mechanism, and the positioning mechanism abuts against the end face of the workpiece to prevent the workpiece from moving forward and backward. A welding part is arranged on one side of the base, and the welding position of the welding part is adjusted by a manipulator, thereby realizing automatic loading and unloading of workpieces and adjusting the workpiece angle to ensure the best welding angle.

[0015] 2. Since the first bracket is arranged on the workbench, the first bracket is in the shape of a long strip, a support plate is slidably connected to the first bracket, the support plate slides through a guide rail slider, the length direction of the support plate is consistent with the first bracket, a linear guide rail for driving the support plate to slide is arranged in the first bracket, the linear guide rail drives the support plate to slide left and right, a first block is arranged on the support plate, a first groove is opened on the first block, a first axis is slidably connected in the first groove, a second block is arranged above the first block, a support plate is arranged on the second block, a second groove is opened on the second block, a second axis is slidably connected in the second groove, a first rod is arranged on the first axis, a second rod is arranged on the second axis, and the first rod and the second rod are hinged at the overlap. One end of the first rod away from the first axis is hinged on the support plate, and one end of the second rod away from the second axis is hinged on the first block. A cylinder is arranged on the support plate, and the action end of the cylinder is connected to the first axis. When the cylinder pushes the first axis, it drives the first axis to move and the support plate to move up and down. When loading is required, the support plate and the support plate are moved so that the brackets on both sides correspond to the workpiece of the clamping mechanism and the workpiece at the feed end. The support plate is moved up so that the two groups of workpieces are respectively clamped in the two groups of brackets. Then the support plate is moved so that the welded workpiece is moved to the discharge port, and the unwelded workpiece is placed at the clamping mechanism, thereby realizing the rapid movement of the processed workpiece to the discharge end and the synchronous movement of the unprocessed workpiece to the clamping mechanism.

[0016] 3. Due to the use of a second bracket arranged on the workbench, the second bracket is rotatably connected with a first guide wheel and a second guide wheel, the second bracket is rotatably connected with a first rotating frame, the first rotating frame is hinged with a second rotating frame, and when the second rotating frame contacts the first rotating frame, the two form a full circle shape, the second rotating frame is provided with a second extended edge, the first rotating frame is provided with a first extended edge, the first guide wheel abuts against the inner side wall and the outer side wall of the first extended edge, the first guide wheel is provided with two groups relative to the first extended edge, and the first guide wheel is provided along the first extended edge array Several, a third groove is opened on the first rotating frame, the third groove is square and the top of the third groove is open, a third block is arranged in the third groove, two groups of third blocks are arranged relatively, a rotating shaft is rotatably connected between the third blocks, the rotating shaft corresponds to the bottom wall of the workpiece, a first clamping member is arranged on the side wall of the third groove, two groups of first clamping members are arranged relatively, the first clamping member presses the side wall of the workpiece, a second clamping member is arranged on the second rotating frame, the second clamping member presses the top of the workpiece, a second pushing member is arranged on the first rotating frame, and the first rotating frame is rotatably connected with the first clamping member. When the second wheel is in a state of being moved along the axis of the wheel hub, the wheel hub will move upwards to move the wheel hub back to the axis of the wheel hub, thereby the wheel hub will move in a direction opposite to the axis of the wheel hub, and the wheel hub will move in a direction opposite to the axis of the wheel hub. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the hollow rotary positioner with loading and unloading devices in the present invention.

[0018] Figure 2 It is a side view of the hollow rotary positioner with loading and unloading devices in the present invention at an elevated angle.

[0019] Figure 3 It is a schematic diagram of the structure of the mobile device in the present invention.

[0020] Figure 4 It is a structural schematic diagram of the clamping mechanism.

[0021] Figure 5 It is a structural schematic diagram of the third pushing member and the limiting groove in the present invention.

[0022] Figure 6 It is a side view of the hollow rotary positioner with loading and unloading devices in the present invention.

[0023] In the figure: 1, base; 2, workbench; 21, rubber member; 3, moving device; 31, first bracket; 32, support plate; 33, cylinder; 34, first block; 341, first slot; 35, first axis; 36, first rod; 37, second rod; 371, second axis; 38, support plate; 381, bracket; 39, second block; 391, second slot; 4, clamping mechanism; 41, second bracket; 411, third pusher; 42, first rotating frame; 421, first extension; 422, third slot; 423, limiting slot; 43, second rotating frame; 431, second extension; 44, first guide wheel; 45, second guide wheel; 46, limiting assembly; 461, third block; 462, rotating shaft; 463, first clamping member; 464, second clamping member; 47, clamp; 48, lifting mechanism; 481, second pushing member; 482, third rotating frame; 483, third guide wheel; 49, rotating assembly; 5, positioning mechanism; 6, first pushing member; 7, welding member; 8, adjusting assembly. DETAILED DESCRIPTION

[0024] The embodiment of the present application provides a hollow rotary positioner with a loading and unloading device, which solves the problem in the prior art that the temperature of the workpiece after welding is high, it is inconvenient to immediately disassemble and assemble the workpiece on the main turntable, which further affects the overall welding efficiency, and an angle tilt is required during the welding process.

[0025] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0026] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] A hollow rotary positioner with loading and unloading devices, comprising a base 1, a workbench 2 hinged to one side of the base 1, a moving device 3 for moving a workpiece, a clamping mechanism 4 for clamping and rotating the workpiece, a positioning mechanism 5 for positioning the end face of the workpiece, a first pusher 6 for driving the angle between the workbench 2 and the base 1 to tilt, and a welding member 7 for welding the workpiece; one end of the workbench 2 is hinged to one end of the base 1, one end of the first pusher 6 is hinged to the other side of the base 1; the other end of the first pusher 6 is hinged to the other end of the workbench 2; the other end of the workbench 2 is provided with a rubber member 21 ; When the rubber member 21 contacts the base 1, the workbench 2 is in a horizontal state; the moving device 3 is arranged on the base 1; two groups of the moving devices 3 are arranged relatively to each other; two groups of clamping mechanisms 4 are arranged relatively to each other; one group of the clamping mechanisms 4 is fixed on the workbench 2, and the other group of the clamping mechanisms 4 slides on the workbench 2; an adjusting component 8 is arranged on the other group of the clamping mechanisms 4; the adjusting component 8 limits the position of the clamping mechanisms 4; the moving direction of the clamping mechanisms 4 is perpendicular to the moving direction of the moving device 3; the welding part 7 is arranged on one side of the base 1; the positioning mechanism 5 is arranged on the movable clamping mechanism 4.

[0028] The base 1 is set on the ground, and a workbench 2 is hinged on one side of the base 1. The length and width of the workbench 2 correspond to those of the base 1. One side of the workbench 2 is hinged on one side of the base 1. A rubber member 21 is set on the other side of the workbench 2. When the rubber member 21 contacts the base 1, the workbench 2 is in a horizontal state. A first pusher 6 is set on the end of the base 1 away from the hinge point. The action end of the first pusher 6 is hinged on the workbench 2. The other end of the first pusher 6 is hinged on the base 1. When the first pusher 6 pushes the workbench 2, the workbench 2 is tilted at an angle. Moving devices 3 are set at both ends of the workbench 2. The moving device 3 moves the workpiece from the feeding end After moving to the clamping mechanism 4 and waiting for the welding to be completed, the workpiece in the clamping mechanism 4 is moved to the discharge port. Two groups of clamping mechanisms 4 are relatively arranged, one group of clamping mechanisms 4 is fixed on the workbench 2, and the other group of clamping mechanisms 4 slides on the workbench 2. An adjusting component 8 is arranged on the sliding clamping mechanism 4. The adjusting component 8 is composed of a rack, a gear and a motor, so as to adjust the position of the clamping mechanism 4 to adapt to workpieces of different lengths. A positioning mechanism 5 is arranged on the sliding clamping mechanism 4. The positioning mechanism 5 is against the end face of the workpiece to prevent the workpiece from moving forward and backward. A welding part 7 is arranged on one side of the base 1, and the welding part 7 adjusts the welding position through a manipulator.

[0029] Since the base 1 is set on the ground, a workbench 2 is hinged on one side of the base 1, the length and width of the workbench 2 correspond to those of the base 1, one side of the workbench 2 is hinged on one side of the base 1, and a rubber member 21 is arranged on the other side of the workbench 2. When the rubber member 21 contacts the base 1, the workbench 2 is in a horizontal state. A first pushing member 6 is arranged on the end of the base 1 away from the hinge point, and the action end of the first pushing member 6 is hinged on the workbench 2, and the other end of the first pushing member 6 is hinged on the base 1. When the first pushing member 6 pushes the workbench 2, the workbench 2 is tilted at an angle. Moving devices 3 are arranged on both ends of the workbench 2, and the moving device 3 moves the workpiece from the feeding end to the clamping mechanism 4 to wait for welding to be completed. After completion, the workpiece in the clamping mechanism 4 is moved to the discharge port. The clamping mechanism 4 is relatively arranged in two groups, one of which is fixed on the workbench 2, and the other is slid on the workbench 2. The sliding clamping mechanism 4 is provided with an adjustment component 8, which is composed of a rack, a gear and a motor, so as to adjust the position of the clamping mechanism 4 to adapt to workpieces of different lengths. The sliding clamping mechanism 4 is provided with a positioning mechanism 5, which abuts against the end face of the workpiece to prevent the workpiece from moving forward and backward. A welding part 7 is provided on one side of the base 1. The welding position of the welding part 7 is adjusted by a manipulator, thereby realizing automatic loading and unloading of workpieces and adjusting the workpiece angle to ensure the best welding angle.

[0030] The moving device 3 includes a first bracket 31, a support plate 32 sliding on the first bracket 31, a cylinder 33 arranged on the support plate 32, a first block 34 arranged on the support plate 32, a first shaft 35 sliding on the first block 34, a first rod 36 rotating on the first shaft 35, a second rod 37 rotating on the support plate 32 and a support plate 38 arranged above the first rod 36 and the second rod 37; a first groove 341 is provided on the first block 34; the first shaft 35 slides in the first groove 341; a second block 39 is provided on the support plate 38; a second groove 391 is provided on the second block 39; a second shaft 371 is provided at one end of the second rod 37; the second shaft 371 slides in the second groove 391; the first rod 36 and the second rod 37 are hinged at the overlap; brackets 381 are provided at both ends of the support plate 38; the brackets 381 correspond to the clamping mechanism 4, the discharging end and the unloading end.

[0031] The first bracket 31 is arranged on the workbench 2, and the first bracket 31 is in the shape of a long strip. A support plate 32 is slidably connected to the first bracket 31, and the support plate 32 slides through a guide rail slider. The length direction of the support plate 32 is consistent with the first bracket 31. A linear guide rail for driving the support plate 32 to slide is arranged in the first bracket 31, and the linear guide rail drives the support plate 32 to slide left and right. A first block 34 is arranged on the support plate 32, and a first groove 341 is opened on the first block 34, and a first shaft 35 is slidably connected in the first groove 341. A second block 39 is arranged above the first block 34, and a support plate 38 is arranged on the second block 39, and a second groove 391 is opened on the second block 39, and a second shaft 371 is slidably connected in the second groove 391. A first rod 36 is arranged on the first shaft 35, and a second shaft 371 is slidably connected in the second groove 391. 1 is provided with a second rod 37, the first rod 36 and the second rod 37 are hinged at the overlapped position, the end of the first rod 36 away from the first shaft 35 is hinged on the support plate 38, and the end of the second rod 37 away from the second shaft 371 is hinged on the first block 34, and a cylinder 33 is provided on the support plate 32, and the action end of the cylinder 33 is connected to the first shaft 35. When the cylinder 33 pushes the first shaft 35, it drives the first shaft 35 to move and the support plate 38 to move up and down. When loading is required, the support plate 32 and the support plate 38 are moved so that the brackets 381 on both sides correspond to the workpieces of the clamping mechanism 4 and the workpieces at the feeding end, the support plate 38 moves up, so that the two groups of workpieces are respectively stuck in the two groups of brackets 381, and then the support plate 32 is moved so that the welded workpieces are moved to the discharge port, and the unwelded ones are placed at the clamping mechanism 4.

[0032] Since the first bracket 31 is arranged on the workbench 2, the first bracket 31 is in the shape of a long strip, and a support plate 32 is slidably connected to the first bracket 31. The support plate 32 slides through a guide rail slider, and the length direction of the support plate 32 is consistent with the first bracket 31. A linear guide rail for driving the support plate 32 to slide is arranged in the first bracket 31, and the linear guide rail drives the support plate 32 to slide left and right. A first block 34 is arranged on the support plate 32, and a first groove 341 is opened on the first block 34, and a first shaft 35 is slidably connected in the first groove 341. A second block 39 is arranged above the first block 34, and a supporting plate 38 is arranged on the second block 39. A second groove 391 is opened on the second block 39, and a second shaft 371 is slidably connected in the second groove 391. A first rod 36 is arranged on the first shaft 35, and a second rod 37 is arranged on the second shaft 371. The first rod 36 and the first shaft 36 are connected to the first shaft 36. The two rods 37 are hinged at the overlap point, and the end of the first rod 36 away from the first axis 35 is hinged on the support plate 38, and the end of the second rod 37 away from the second axis 371 is hinged on the first block 34. A cylinder 33 is provided on the support plate 32, and the active end of the cylinder 33 is connected to the first axis 35. When the cylinder 33 pushes the first axis 35, it drives the first axis 35 to move and the support plate 38 to move up and down. When loading is required, the support plate 32 and the support plate 38 are moved so that the brackets 381 on both sides correspond to the workpieces of the clamping mechanism 4 and the workpieces at the feed end, the support plate 38 moves up, so that the two groups of workpieces are respectively stuck in the two groups of brackets 381, and then the support plate 32 is moved so that the welded workpieces are moved to the discharge port, and the unwelded ones are placed at the clamping mechanism 4, thereby realizing the rapid movement of the processed workpieces to the discharge end and the synchronous movement of the unprocessed workpieces to the clamping mechanism 4.

[0033] The clamping mechanism 4 includes a second bracket 41, a first rotating frame 42 rotating in the second bracket 41, a second rotating frame 43 hinged on the first rotating frame 42, a first guide wheel 44 guiding the first rotating frame 43, a second guide wheel 45 to prevent the rotating frame from shaking during rotation, a limiting assembly 46 for fixing the second rotating frame 42 on the first rotating frame 42, a clamp 47 for clamping the workpiece, a lifting mechanism 48 for lifting or lowering the second rotating frame 43, and a rotating assembly 49 for driving the second rotating frame 43 to rotate; a third slot 422 is provided on the first rotating frame 42; the clamp 47 is arranged in the third slot 422; the limiting assembly 46 is fixed to the first rotating frame 42; The positioning assembly 46 is arranged on the top of the first rotating frame 42; a first extension 421 is arranged on the side wall of the first rotating frame 42; a second extension 431 is arranged on the side wall of the second rotating frame 43; the first extension 421 and the second extension 431 form a full circle when they are in contact with each other; the first rotating frame 42 and the second rotating frame 43 form a full circle when they are in contact with each other and the top of the third groove 422 is limited at this time; the first guide wheel 44 abuts against the inner and outer walls of the first extension 421; the second guide wheel 45 abuts against the plane side wall of the first extension 421; the lifting mechanism 48 is arranged on the first rotating frame 42; and the rotating assembly 49 is arranged on the second bracket 41.

[0034] The lifting mechanism 48 includes a second pushing member 481, a third rotating frame 482 rotating on the first rotating frame 42, and a third guide wheel 483 arranged on the third rotating frame 482; the second pushing member 481 is arranged on the first rotating frame 42; the third guide wheel 483 contacts the inner side wall of the second extended edge 431; the pushing end of the second pushing member 481 is hinged to the third rotating frame 482.

[0035] The second bracket 41 is provided with a third pusher 411 ; the first rotating frame 42 is provided with a limiting groove 423 ; the action end of the third pusher 411 corresponds to the limiting groove 423 ; when the action end of the third pusher 411 is inserted into the limiting groove 423 , the first rotating frame 42 is reset.

[0036] The clamp 47 includes a third block 461, a rotating shaft 462 rotating on the third block 461, a first clamping member 463 for limiting the left and right sides of the workpiece, and a second clamping member 464 for limiting the top of the workpiece; the second clamping member 464 is arranged on the second rotating frame 43; the first clamping member 463 is arranged on the side wall of the third groove 422; the first clamping member 463 is arranged in two groups relatively.

[0037] The second bracket 41 is arranged on the workbench 2, and the first guide wheel 44 and the second guide wheel 45 are rotatably connected to the second bracket 41. The first rotating frame 42 is rotatably connected inside the second bracket 41, and the second rotating frame 43 is hinged on the first rotating frame 42. When the second rotating frame 43 contacts the first rotating frame 42, the two form a full circle shape. The second rotating frame 43 is provided with a second extended edge 431, and the first rotating frame 42 is provided with a first extended edge 421. The first guide wheel 44 is against the inner side wall and the outer side wall of the first extended edge 421. The first guide wheel 44 is provided with two groups relative to the first extended edge 421, and the first guide wheel 44 is arranged in an array along the first extended edge 421. The first rotating frame 42 is provided with a plurality of third grooves 422, the third grooves 422 are square and the top of the third grooves 422 is open, a third block 461 is provided in the third groove 422, two groups of third blocks 461 are relatively provided, a rotating shaft 462 is rotatably connected between the third blocks 461, and the rotating shaft 462 corresponds to the bottom wall of the workpiece, a first clamping member 463 is provided on the side wall of the third groove 422, two groups of first clamping members 463 are relatively provided, and the first clamping member 463 presses the side wall of the workpiece, a second clamping member 464 is provided on the second rotating frame 43, and the second clamping member 464 presses the top of the workpiece, and a second The pusher 481 is rotatably connected to the first rotating frame 42 with a third rotating frame 482, and one end of the third rotating frame 482 is rotatably connected to a third guide wheel 483, and the third guide wheel 483 contacts the inner side wall of the second extended edge 431. When the second pusher 481 is retracted, the third guide wheel 483 abuts against the second extended edge 431 until the third guide wheel 483 drives the second rotating frame 43 to rotate until the third slot 422 is opened. At this time, the workpiece can be placed in the third slot 422, and then the second pusher 481 extends, driving the third guide wheel 483 away from the second extended edge 431. At this time, the second rotating frame 43 gradually moves toward the first rotating frame 4 by gravity. 2 until the second rotating frame 43 and the first rotating frame 42 form a full circle. At this time, the limiting assembly 46 fixes the first rotating frame 42 on the second rotating frame 43. The rotating assembly 49 is arranged on the second bracket 41. At this time, the rotating assembly 49 drives the first rotating frame 42 and the second rotating frame 43 to rotate, so as to weld the workpiece. The second bracket 41 is provided with a third pushing member 411, and the first rotating frame 42 is provided with a limiting groove 423. The acting end of the third pushing member 411 corresponds to the limiting groove 423. When the acting end of the third pushing member 411 is inserted into the limiting groove 423, the first rotating frame 42 is reset and the workpiece is in a horizontal state.

[0038] Since the second bracket 41 is arranged on the workbench 2, the first guide wheel 44 and the second guide wheel 45 are rotatably connected to the second bracket 41, the first rotating frame 42 is rotatably connected inside the second bracket 41, the second rotating frame 43 is hinged on the first rotating frame 42, and when the second rotating frame 43 contacts the first rotating frame 42, the two form a full circle shape, the second rotating frame 43 is provided with a second extended edge 431, the first rotating frame 42 is provided with a first extended edge 421, the first guide wheel 44 is against the inner side wall and the outer side wall of the first extended edge 421, the first guide wheel 44 is provided with two groups relative to the first extended edge 421, and the first guide wheel 44 is provided with a plurality of arrays along the first extended edge 421, and the first A third groove 422 is provided on the rotating frame 42, and the third groove 422 is square and the top of the third groove 422 is open. A third block 461 is provided in the third groove 422, and two groups of third blocks 461 are relatively provided. A rotating shaft 462 is rotatably connected between the third blocks 461, and the rotating shaft 462 corresponds to the bottom wall of the workpiece. A first clamping member 463 is provided on the side wall of the third groove 422, and two groups of first clamping members 463 are relatively provided. The first clamping member 463 presses the side wall of the workpiece, and a second clamping member 464 is provided on the second rotating frame 43, and the second clamping member 464 presses the top of the workpiece. A second pushing member 481 is provided on the first rotating frame 42, and a rotating connection on the first rotating frame 42 There is a third rotating frame 482, one end of the third rotating frame 482 is rotatably connected to the third guide wheel 483, the third guide wheel 483 contacts the inner side wall of the second extended edge 431, when the second pushing member 481 is retracted, the third guide wheel 483 presses against the second extended edge 431 until the third guide wheel 483 drives the second rotating frame 43 to rotate until the third slot 422 is opened, at this time, the workpiece can be placed in the third slot 422, then the second pushing member 481 extends, driving the third guide wheel 483 away from the second extended edge 431, at this time, the second rotating frame 43 gradually moves toward the direction of the first rotating frame 42 by gravity until the second rotating frame 43 and the first rotating frame 42 form a full circle, at this time The limiting component 46 fixes the first rotating frame 42 on the second rotating frame 43, and the rotating component 49 is arranged on the second bracket 41. At this time, the rotating component 49 drives the first rotating frame 42 and the second rotating frame 43 to rotate, so as to weld the workpiece. A third pushing member 411 is arranged on the second bracket 41, and a limiting groove 423 is opened on the first rotating frame 42. The action end of the third pushing member 411 corresponds to the limiting groove 423. When the action end of the third pushing member 411 is inserted into the limiting groove 423, the first rotating frame 42 is reset and the workpiece is in a horizontal state at this time, thereby realizing that the workpiece can be rotated with the rotation of the first rotating frame 42 and the second rotating frame 43, so as to perform circular welding.

[0039] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0040] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hollow rotary positioner with loading and unloading devices, characterized in that: The invention comprises a base (1), a workbench (2) hinged to one side of the base (1), a moving device (3) for moving a workpiece, a clamping mechanism (4) for clamping and rotating the workpiece, a positioning mechanism (5) for positioning the end face of the workpiece, a first pushing member (6) for driving the workbench (2) and the base (1) to tilt at an angle, and a welding member (7) for welding the workpiece; one end of the workbench (2) is hinged to one end of the base (1), and one end of the first pushing member (6) is hinged to the other side of the base (1); the other end of the first pushing member (6) is hinged to the other end of the workbench (2); a rubber member (21) is provided at the other end of the workbench (2); when the rubber member (21) contacts the base (1), The workbench (2) is in a horizontal state; the moving device (3) is arranged on the base (1); the moving device (3) is arranged in two groups relatively to each other; the clamping mechanisms (4) are arranged in two groups relatively to each other; one group of the clamping mechanisms (4) is fixed on the workbench (2), and the other group of the clamping mechanisms (4) slides on the workbench (2); the other group of the clamping mechanisms (4) is provided with an adjustment component (8); the adjustment component (8) limits the position of the clamping mechanism (4); the moving direction of the clamping mechanism (4) is perpendicular to the moving direction of the moving device (3); the welding part (7) is arranged on one side of the base (1); and the positioning mechanism (5) is arranged on the movable clamping mechanism (4).

2. The hollow rotary positioner with loading and unloading device according to claim 1, characterized in that: The moving device (3) comprises a first bracket (31), a support plate (32) sliding on the first bracket (31), a cylinder (33) arranged on the support plate (32), a first block (34) arranged on the support plate (32), a first shaft (35) sliding on the first block (34), a first rod (36) rotating on the first shaft (35), a second rod (37) rotating on the support plate (32), and a support plate (38) arranged above the first rod (36) and the second rod (37); the first block (34) is provided with a first groove (341); the first shaft (35) slides in the first groove (341); a second block (39) is provided on the support plate (38); a second groove (391) is provided on the second block (39); a second shaft (371) is provided at one end of the second rod (37); the second shaft (371) slides in the second groove (391); the first rod (36) and the second rod (37) are hinged at the overlapped part; brackets (381) are provided at both ends of the support plate (38); the brackets (381) correspond to the clamping mechanism (4), the discharging end and the unloading end.

3. The hollow rotary positioner with loading and unloading device according to claim 1, characterized in that: The clamping mechanism (4) comprises a second bracket (41), a first rotating frame (42) rotating in the second bracket (41), a second rotating frame (43) hinged on the first rotating frame (42), a first guide wheel (44) guiding the first rotating frame (43), a second guide wheel (45) preventing the rotating frame from shaking during rotation, a limiting assembly (46) fixing the second rotating frame (42) on the first rotating frame (42), a clamp (47) for clamping a workpiece, a lifting mechanism (48) for lifting or lowering the second rotating frame (43), and a rotating assembly (49) for driving the second rotating frame (43) to rotate; a third groove (422) is provided on the first rotating frame (42); the clamp (47) is arranged in the third groove (422); the limiting assembly (46) is arranged in the first rotating frame (422); The component (46) is arranged on the top of the first rotating frame (42); a first extension (421) is arranged on the side wall of the first rotating frame (42); a second extension (431) is arranged on the side wall of the second rotating frame (43); the first extension (421) and the second extension (431) are in a full circle when they are in contact with each other; the first rotating frame (42) and the second rotating frame (43) are in a full circle when they are in contact with each other and the top of the third groove (422) is limited at this time; the first guide wheel (44) abuts against the inner side wall and the outer side wall of the first extension (421); the second guide wheel (45) abuts against the plane side wall of the first extension (421); the lifting mechanism (48) is arranged on the first rotating frame (42); and the rotating assembly (49) is arranged on the second bracket (41).

4. The hollow rotary positioner with loading and unloading devices according to claim 3, characterized in that: The lifting mechanism (48) comprises a second pushing member (481), a third rotating frame (482) rotating on the first rotating frame (42), and a third guide wheel (483) arranged on the third rotating frame (482); the second pushing member (481) is arranged on the first rotating frame (42); the third guide wheel (483) is in contact with the inner side wall of the second extended edge (431); and the pushing end of the second pushing member (481) is hinged to the third rotating frame (482).

5. The hollow rotary positioner with loading and unloading devices according to claim 3, characterized in that: The second bracket (41) is provided with a third pushing member (411); the first rotating frame (42) is provided with a limiting groove (423); the action end of the third pushing member (411) corresponds to the limiting groove (423); when the action end of the third pushing member (411) is inserted into the limiting groove (423), the first rotating frame (42) is reset.

6. The hollow rotary positioner with loading and unloading devices according to claim 3, characterized in that: The clamp (47) comprises a third block (461), a rotating shaft (462) rotating on the third block (461), a first clamping member (463) for limiting the left and right sides of the workpiece, and a second clamping member (464) for limiting the top of the workpiece; the second clamping member (464) is arranged on the second rotating frame (43); the first clamping member (463) is arranged on the side wall of the third groove (422); and the first clamping member (463) is arranged in two groups relatively to each other.