Rotary positioner

Abstract

The invention relates to a rotary positioner. Comprising an overturning mechanism, the overturning mechanism comprises an overturning seat, a rotating seat is fixed to one end of the overturning seat, and the rotating seat is rotationally connected to a support; the fixing mechanism comprises a fixing disc, the middle of the fixing disc is rotationally connected to the overturning base through a rotating table, and a main rotating motor used for driving the rotating table to rotate is arranged in the overturning base; a plurality of clamping jaw assemblies are arranged on the fixing disc in an annular array mode, each clamping jaw assembly comprises a sliding guide rail arranged in the fixing disc, clamping jaws are slidably connected into the sliding guide rails, supporting rods used for supporting workpieces are arranged on the clamping jaws, lead screws are arranged in the sliding guide rails, and the two ends of each lead screw are rotationally connected with the two ends of the corresponding sliding guide rail. A driving gear is arranged at the tail end of the lead screw, and a screw sleeve meshed with the lead screw is arranged in the clamping jaw. A lead screw driving motor is fixed in the rotating table, a driving fluted disc is fixed on a motor shaft of the lead screw driving motor, and the driving fluted disc is meshed with the driving gear.

Description

Technical Field

[0001] The present invention relates to a rotary positioner, belonging to the field of lifting equipment. Background Art

[0002] In many industrial production fields, especially in the heavy machinery manufacturing industry, it is often necessary to assemble and process large workpieces. Traditional manual operations are not only inefficient but also prone to workpiece damage and personnel injury.

[0003] Existing automatic positioners often have problems such as poor stability, complex operation, and low positioning accuracy; moreover, existing automatic positioners often require a dedicated frame to be set up for fixed connection for large barrel-shaped components, and their versatility is relatively low. Summary of the Invention

[0004] In order to overcome the technical problems in the prior art, the present invention provides a rotary positioner.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows: A rotary positioner; comprising: A flipping mechanism, the flipping mechanism includes a flipping seat, one end of the flipping seat is fixedly connected to a rotating seat, the rotating seat is rotatably connected to the bracket, a pushing seat is further arranged on the flipping seat, a linear pushing mechanism is arranged between the pushing seat and the bracket, and the flipping seat is pushed to flip relative to the bracket through the linear pushing mechanism; A fixing mechanism, the fixing mechanism includes a fixing disk, the middle part of the fixing disk is rotatably connected to the flipping seat through a rotating table, and a main rotating motor for driving the rotating table to rotate is arranged inside the flipping seat; a plurality of claw assemblies are annularly arranged on the fixing disk, the claw assembly includes a sliding guide rail arranged inside the fixing disk, a claw is slidably connected inside the sliding guide rail, a support rod for supporting the workpiece is arranged on the claw, a lead screw is arranged inside the sliding guide rail, both ends of the lead screw are rotatably connected to both ends of the sliding guide rail, a driving gear is arranged at the end of the lead screw, and a thread sleeve meshing with the lead screw is arranged inside the claw; a lead screw driving motor is fixed inside the rotating table, and a driving gear disk is fixed on the motor shaft of the lead screw driving motor, and the driving gear disk and the driving gear mesh with each other.

[0006] As a further improvement of the present invention, the bottom of the support rod is fixed to the claw by a thread, a positioning disk is connected above the fixing disk through the support rods of each claw, a positioning groove for the support rod to pass through is arranged on the positioning disk, and the end of the support rod fixes the positioning disk through a clamping nut.

[0007] As a further improvement of the present invention, a support sleeve for supporting the inner wall of the workpiece is arranged on the surface of the support rod.

[0008] As a further improvement of the present invention, a rotating groove is provided on the surface of the flipping base, and a conductive protruding ring is provided at the bottom of the rotating groove. A brush is provided on the outer ring of the conductive protruding ring. A conductive connecting ring extending towards the conductive protruding ring is provided at the bottom of the rotating table. A conductive ring made of a conductive material is provided on the inner ring of the conductive connecting ring. The conductive connecting ring is located on the outer ring of the conductive protruding ring, and the brush is in contact with the conductive ring. Among them, the brush is connected to the power supply through a terminal provided on the rotating base.

[0009] As a further improvement of the present invention, a first needle roller bearing group is provided in the rotating groove, and the bottom surface of the rotating table is in contact with the first needle roller bearing group.

[0010] As a further improvement of the present invention, the fixed disk includes several groups of swing arms, which are integrally fixed to each other. A sliding guide rail is provided inside the swing arms, and the swing arms support each other through connecting ribs.

[0011] Compared with the prior art, the beneficial effects of the present invention are: By providing a support system for a set of jaw mechanisms and cooperating with a hydraulic flipping mechanism, the present invention realizes the technical function that a traditional positioner can only adapt to small cylindrical workpieces and cannot adapt to cylindrical workpieces of various different specifications.

[0012] The positioning disk can reduce the end moment of the support rod and improve the stability of the support.

[0013] The support sleeve can improve the strength of the support rod and reduce the pressure on the inner wall of the workpiece.

[0014] The rotating groove can not only incorporate a set of rotating conductive mechanisms to achieve electrical connection during rotation through the brush and the conductive ring, but also add an additional bearing support structure to improve stability.

[0015] The fixed disk is supported by connecting ribs and has higher strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the drawings and embodiments.

[0017] Figure 1 is a schematic cross-sectional view of the present invention; Figure 2 is a partial schematic view of the present invention; Figure 3 is a schematic structural view of the fixed disk.

[0018] In the figure: 1. Tipping base; 2. Rotary base; 3. Rotary table; 4. Main rotary motor; 5. Rotary groove; 6. Conductive connection ring; 7. Conductive raised ring; 8. Conductive coil; 9. Lead screw drive motor; 10. Fixed disk; 11. Slide guide; 12. Lead screw; 13. Claw; 14. Lead screw sleeve; 15. Driving gear; 16. Driving gear disk; 17. Support rod; 18. Support sleeve; 19. Positioning disk; 20. Positioning groove; 21. Clamping nut; 22. Oil cylinder rotating connection position; 23. Connecting rib; 24. Outer support ring. Specific embodiments

[0019] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only showing the basic structure of the present invention in a schematic way, so they only show the components related to the present invention.

[0020] A rotary positioner; comprising: Such as Figure 1 And Figure 2 , a tipping mechanism, the tipping mechanism includes a tipping base, one end of the tipping base is fixedly connected with a rotary base, the rotary base is rotatably connected to the bracket, a pushing base is further arranged on the tipping base, a linear pushing mechanism is arranged between the pushing base and the bracket, an oil cylinder rotating connection position for connecting an oil cylinder is arranged on the pushing base, and the tipping base is pushed to flip relative to the bracket through the linear pushing mechanism.

[0021] Such as Figure 1 And Figure 2 , a fixing mechanism, the fixing mechanism includes a fixed disk, the middle part of the fixed disk is rotatably connected to the tipping base through a rotary table, and a main rotary motor for driving the rotary table to rotate is arranged inside the tipping base; a plurality of claw assemblies are annularly arranged on the fixed disk, each claw assembly includes a slide guide arranged inside the fixed disk, a claw is slidably connected inside the slide guide, a support rod for supporting a workpiece is arranged on the claw, a lead screw is arranged inside the slide guide, both ends of the lead screw are rotatably connected to both ends of the slide guide, a driving gear is arranged at the end of the lead screw, and a lead screw sleeve meshing with the lead screw is arranged inside the claw; a lead screw drive motor is fixed inside the rotary table, a driving gear disk is fixed on the motor shaft of the lead screw drive motor, a second needle roller bearing group is arranged on the top of the rotary table, the second needle roller bearing group performs rolling support on the driving gear disk, and the driving gear disk meshes with the driving gear.

[0022] Such as Figure 1 And Figure 3 , the bottom of the support rod is fixed to the claw by threads, a positioning disk is connected above the fixed disk through the support rods of each claw, a positioning groove for the support rod to pass through is arranged on the positioning disk, the end of the support rod is fixed to the positioning disk through a clamping nut, and a support sleeve for supporting the inner wall of the workpiece is arranged on the surface of the support rod.

[0023] Such as Figure 1, a rotation groove is provided on the surface of the flipping base, and a first needle bearing group is provided in the rotation groove. The bottom surface of the rotating table contacts with the first needle bearing group. A conductive raised ring is provided at the bottom of the rotation groove, and a brush is provided on the outer ring of the conductive raised ring. A conductive connection ring extending towards the conductive raised ring is provided at the bottom of the rotating table. A conductive ring made of a conductive material is provided on the inner ring of the conductive connection ring. The conductive connection ring is located on the outer ring of the conductive raised ring, and the brush contacts with the conductive ring. Among them, the brush is connected to the power supply through a terminal provided on the rotating base.

[0024] As Figure 2 , among them, the fixed disk includes several groups of swing arms. The tails of the swing arms are integrally fixed to each other. The front ends of the swing arms are fixed through an outer support ring. Slide rails are provided inside the swing arms, and the swing arms support each other through connecting ribs.

[0025] During use, first place the workpiece on the fixed disk, and then adjust the position of the claw through the lead screw drive motor so that the support sleeve on the surface of the support rod is in close contact with the inner wall of the workpiece. Then install the positioning disk and fix the positioning disk through two groups of clamping nuts. The positioning disk supports the end of the support rod. Then, through the push oil cylinder of the linear pushing mechanism, the flipping base is flipped relative to the bracket with the rotating base as the axis. After flipping in place, the cylindrical workpiece can be processed, or the clamping nuts can be loosened, and the claw is retracted through the lead screw drive motor so that the support sleeve is separated from the surface of the workpiece, and then the workpiece can be conveniently removed.

[0026] Inspired by the above ideal embodiments according to the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A rotary positioner; characterized in that: include: The flip mechanism includes a flip seat, one end of which is fixed with a rotating seat, the rotating seat is rotatably connected to the bracket, a pushing seat is also arranged on the flip seat, a linear pushing mechanism is arranged between the pushing seat and the bracket, and the flip seat is pushed to flip relative to the bracket by the linear pushing mechanism; The fixing mechanism comprises a fixing plate, the middle part of which is rotatably connected to the flip seat through a rotating table, and a main rotating motor for driving the rotating table to rotate is arranged in the flip seat; a plurality of claw assemblies are arranged in a ring array on the fixing plate, and the claw assembly comprises a sliding guide rail arranged in the fixing plate, a claw is slidably connected in the sliding guide rail, a support rod for supporting a workpiece is arranged on the claw, a lead screw is arranged in the sliding guide rail, both ends of the lead screw are rotatably connected to both ends of the sliding guide rail, a driving gear is arranged at the end of the lead screw, and a thread sleeve meshing with the lead screw is arranged in the claw; a lead screw driving motor is fixed in the rotating table, a driving toothed disc is fixed on the motor shaft of the lead screw driving motor, and the driving toothed disc meshes with the driving gear.

2. A rotary positioner according to claim 1, characterized in that: The bottom of the support rod is fixed to the claws through threads, and a positioning plate is connected to the support rods through each claw above the fixed plate. The positioning plate is provided with a positioning groove for the support rod to pass through, and the end of the support rod is fixed to the positioning plate by a clamping nut.

3. A rotary positioner according to claim 1, characterized in that: A support sleeve for supporting the inner wall of the workpiece is arranged on the surface of the support rod.

4. A rotary positioner according to claim 1, characterized in that: A rotating groove is arranged on the surface of the flip seat, a conductive protrusion ring is arranged at the bottom of the rotating groove, a brush is arranged on the outer ring of the conductive protrusion ring, a conductive connecting ring extending toward the conductive protrusion ring is arranged at the bottom of the rotating table, a conductive ring made of conductive material is arranged on the inner ring of the conductive connecting ring, the conductive connecting ring is located on the outer ring of the conductive protrusion ring, and the brush is in contact with the conductive ring; wherein the brush is connected to the power supply through a terminal arranged on the rotating seat.

5. A rotary positioner as claimed in claim 4, characterized in that: A first needle roller bearing group is arranged in the rotating groove, and the bottom surface of the rotating platform contacts the first needle roller bearing group.

6. A rotary positioner as claimed in claim 1, characterized in that: The fixed plate comprises a plurality of groups of swing arms, the swing arms are fixed to each other as a whole, sliding guide rails are arranged inside the swing arms, and the swing arms are supported to each other by connecting ribs.

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