CN216913372U

CN216913372U - Hard spacing subassembly of angle

Info

Publication number: CN216913372U
Application number: CN202220646775.6U
Authority: CN
Inventors: 闵聪
Original assignee: Shenzhen Yong Lin Tech Co ltd
Current assignee: Shenzhen Yong Lin Tech Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-08
Anticipated expiration: 2032-03-23

Abstract

The application relates to the technical field of mechanical angles, and discloses an angle hard limiting assembly, which comprises a rotating part, a supporting plate, a limiting rod and a stopping piece; the rotating piece is used for being connected with the rotating shaft of the polishing machine and is arranged on the supporting seat of the rotating shaft in a stopping way; the rotating part is rotatably connected with the supporting plate, the supporting plate is rotatably abutted against the stop part relative to the other surface of the rotating part, the rotating part is rotatably connected with the supporting plate and forms two first limiting steps, the supporting plate and the stop part form two second limiting steps, one end of the limiting rod is positioned between the two first limiting steps, and the other end of the limiting rod is positioned between the two second limiting steps; the sum of the included angle between the two first limiting steps and the included angle between the two second limiting steps is larger than 360 degrees and smaller than 720 degrees. The hard spacing subassembly of angle of this application has and surpasss 360 rotation angle adjustment ranges to satisfy 360 polishing demands and can realize hard spacing, reduce the risk that the cable hank absolutely.

Description

Hard spacing subassembly of angle

Technical Field

The application relates to the technical field of mechanical angle limitation, in particular to a hard angle limiting assembly.

Background

Burnishing machine is in order to satisfy the diversified polishing processing of work piece, carries out the upset operation through setting up the axis of rotation, and rotation angle must reach more than 360 degrees, but continuous rotation twists disconnected cable easily, and consequently the axis of rotation can not continuous rotation, and is stable for the operation of protective apparatus, needs set up soft spacing and hard spacing at axis of rotation department and carries out duplicate protection. The soft limit limits the movement range of the rotating shaft by an electric appliance and software parameterization method, the hard limit limits the position of equipment by a mechanical processing part, the stroke of the soft limit is smaller than that of the hard limit, once the soft limit fails, the equipment generates an over-travel alarm, and the hard limit limits the mechanical stop, so that the effect of protecting the rotating shaft cable is achieved.

At present, the hard limiting mode is that a limit stop is arranged at a rotating shaft, and the rotating shaft is only suitable for being used in a 360-degree rotating stroke and is not suitable for the stroke requirement of more than 360 degrees.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that the existing hard limiting cannot meet the requirement of exceeding 360-degree rotation, the application provides an angle hard limiting assembly.

The application provides a hard spacing subassembly of angle adopts following technical scheme:

the hard angle limiting assembly comprises a rotating piece, a first limiting piece and a second limiting piece, wherein the rotating piece is provided with an annular notch and is used for being connected with a rotating shaft; the rotating part is rotatably connected with the supporting plate and forms two first limiting steps;

the limiting rod penetrates through the supporting plate, one end of the limiting rod is positioned between the two first limiting steps and can be abutted against one of the first limiting steps; and

the supporting plate is arranged on the rotating shaft supporting seat, and the supporting plate is rotated relative to the other surface of the rotating part and is abutted against the stopping piece to form two second limiting steps; the other end of the limiting rod is positioned between the two second limiting steps and can be abutted against one of the second limiting steps;

the sum of the included angle between the two first limiting steps and the included angle between the two second limiting steps is larger than 360 degrees and smaller than 720 degrees; when the first limiting step and the opposite side of the second limiting step are both abutted to the limiting rod, the rotating shaft stops rotating.

By adopting the technical scheme, the rotating part is connected with the supporting plate to form two first limiting steps, the supporting plate and the stopping part form two second limiting steps, one end of the limiting rod is positioned between the two first limiting steps, and the other end of the limiting rod is positioned between the two second limiting steps; when the rotating shaft drives the rotating part and the supporting plate to rotate, when the limiting rod is abutted to one of the second limiting steps, the supporting plate stops rotating, the rotating part rotates in the opposite direction until one of the first steps is abutted to the limiting rod, the supporting plate is pushed to rotate until the limiting rod is abutted to the other second limiting step, and the rotating shaft stops; the rotating piece rotates reversely again, and the rotation is circulated in such a way, so that the forward and reverse angular adjustment of the rotating shaft beyond 360 degrees is realized.

Optionally, an annular protrusion is arranged in the middle of the rotating part, a connecting hole matched with the annular protrusion is formed in the middle of the supporting plate, and the rotating annular protrusion penetrates through the connecting hole and is rotatably connected with the supporting plate.

Through adopting above-mentioned technical scheme, rotate the piece and pass the connecting hole through cyclic annular arch and rotate with the backup pad and be connected, be convenient for on the one hand rotate piece and rotation axis connection, on the other hand rotates a pivoted orbit through injecing, promotes and rotates a piece pivoted stability to improve hard spacing reliability.

Optionally, a plurality of mounting holes are circumferentially arranged on the annular protrusion, and the mounting holes are used for connecting the rotating shaft and the rotating part.

Through adopting above-mentioned technical scheme, the axis of rotation passes through the mounting hole and is connected with rotating the piece, along the mounting hole that annular protrusion circumference was arranged, increases the area of connection of axis of rotation and rotation piece, promotes the stability of connecting to improve hard spacing reliability.

Optionally, the side walls of the two ends of the rotating piece are further provided with butting grooves matched with the side walls of the positioning blocks.

Through adopting above-mentioned technical scheme, set up the butt groove through two sections lateral walls at the rotation piece, when rotating the piece and when the locating piece butt, can contact more precision, promote spacing stability.

Optionally, the limiting rod is detachably and fixedly connected with the supporting plate.

By adopting the technical scheme, the limiting rod and the supporting plate can be connected in a split manner, and the limiting rod is supported to be detached and replaced; the gag lever post is worn and torn after long-term the use, can lead to spacing accurate inadequately, can update hard spacing subassembly through changing the gag lever post to reduce the plant maintenance cost.

Optionally, the supporting plate is provided with a mounting through hole, and the mounting through hole is used for inserting and fixing the limiting rod.

Through adopting above-mentioned technical scheme, through seting up the installation through-hole, realize the split type equipment of gag lever post and backup pad.

Optionally, a fastening hole is formed in the side wall of the support plate, and the fastening hole is communicated with the mounting through hole and used for screwing a fastening piece to fix the limiting rod.

Through adopting above-mentioned technical scheme, through seting up the fastening hole, support the jackscrew and support tight fixed gag lever post, make the installation of gag lever post fixed more reliable.

Optionally, 2 threaded holes are formed in the stop piece, and the threaded holes are used for fastening and mounting the stop piece on the rotating shaft supporting seat.

Through adopting above-mentioned technical scheme, the setting of screw hole is convenient for the stopper installation fixed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the angle limiting assembly is matched with the limiting rod through the belt annular notch and the rotating piece, and through the arrangement of the stop piece, the rotating shaft can rotate within the angle range exceeding 360 degrees, so that the polishing requirements of multiple angles are met.

2. Can protect the cable, subassembly simple structure, reduce the spacing design cost of angle.

Drawings

Fig. 1 is a schematic perspective view of an angle hard limiting assembly according to an embodiment of the present application.

Fig. 2 is an exploded schematic view of the structure of fig. 1.

FIG. 3 is a schematic reverse side view of an angle hard stop assembly according to an embodiment of the present disclosure.

Description of the drawings: 1. a rotating member; 11. an annular gap; 12. a first limit step; 13. an annular projection; 14. a rotating plate; 15. mounting holes; 16. a wire guide hole;

2. a support plate; 21. connecting holes; 22. mounting a through hole; 23. a fastening hole;

3. a limiting rod;

4. a stopper; 41. a threaded hole; 42. and a second limit step.

Detailed Description

The present application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a hard angle limiting assembly, which comprises a rotating part 1 with an annular notch 11, a disc-shaped supporting plate 2, a limiting rod 3 and a sector-shaped retainer 4, wherein the sector-shaped retainer 4 is arranged on the rotating part; rotate a 1 rotation axis fixed connection that is used for with the burnishing machine, backup pad 2 supports and rotates 1 steady rotation, and retainer 4 is installed on the supporting seat of burnishing machine axis of rotation, and retainer 4 carries on spacingly to rotating 1 with the cooperation of gag lever post 3 to the locking burnishing machine axis of rotation.

Wherein, the rotating part 1 is rotatably connected with the supporting plate 2 and forms two first limit steps 12; one surface of the supporting plate 2, which faces away from the rotating plate 14, is rotated to abut against the stop piece 4, and two second limit steps 42 are formed. The limiting rod 3 penetrates through the supporting plate 2, one end of the limiting rod 3 is located between the two first limiting steps 12, and the other end of the limiting rod 3 is located between the two second limiting steps 42.

An included angle formed between the two first limiting steps 12 is A, an included angle formed between the two second limiting steps 12 is B, wherein the sum of A and B is more than 360 degrees and less than 720 degrees, and after the rotating member rotates for an angle A, one of the first limiting steps 12 is abutted against the limiting rod 3; the rotating part 1 continues to rotate and drives the supporting plate 2 to continue to rotate for an angle B through the limiting rod 3 until the other end of the limiting rod 3 is abutted against the second limiting step 42, and at the moment, the rotating shaft is limited by hardness and stops rotating. Because the total rotating angle of the rotating shaft is the sum of the angle A and the angle B, the angle adjustment of more than 360 degrees is realized.

Referring to fig. 2, the rotation member 1 includes a rotation plate 14 and an annular projection 13 formed integrally, and the annular projection 13 is located at a central portion of the rotation plate 14 and has the same central axis as the rotation plate 14. The rotating plate 14 has an annular gap 11, and the arc length of the annular gap 11 is the distance between the two first limiting steps 12, i.e. the rotation angle of the rotating shaft. Therefore, the requirements of different angle adjusting ranges can be met by changing the arc length of the annular notch 11 and the arc length of the stop piece fan ring. In the present embodiment, the rotation axes supported by the annular notch 11 and the stopper 4 are each rotated by 200 °.

Referring to fig. 2, the rotating plate 14 is coaxial with the annular protrusion 13 and has a plurality of mounting holes 15 formed in the circumferential direction, and the mounting holes 15 allow the rotating member 1 to be fixedly connected to the rotating shaft through bolts. In order to prevent the bolts from obstructing the structure inside the apparatus, the mounting holes 15 are stepped holes for the heads of the bolts to sink into the rotating plate 14.

Referring to fig. 2, a connection hole 21 is formed in the middle of the support plate 2, the inner diameter of the connection hole 21 is equal to the outer diameter of the annular protrusion 13, and the connection hole 21 allows the annular protrusion 13 to rotate and pass through, so that the rotating plate 14 is rotatably abutted on the support plate 2. The supporting plate 2 is further provided with a mounting through hole 22 in a penetrating mode, and the mounting through hole 22 is used for the limiting rod 3 to penetrate and fix. Still seted up the fastening hole 23 that is linked together with installation through-hole 22 on the lateral wall of backup pad 2, fastening hole 23 supplies the screw in jackscrew to be connected gag lever post 3 and backup pad 2 butt to improve gag lever post 3's installation stability. In this embodiment, the limiting rod 3 is a cylindrical pin, and two ends of the limiting rod 3 are respectively located at two sides of the supporting plate 2.

In order to make the butt of the rotating plate 14 and the limiting rod 3 more stable, in other embodiments, a butt groove is further formed in the two side walls of the rotating block facing the limiting rod 3, the groove width of the butt groove is matched with the side wall of the limiting rod 3, and when the rotating plate 14 is in butt joint with the limiting rod 3, the limiting rod 3 is in butt joint with the groove wall of the butt groove.

In order to facilitate the arrangement of the cable of the polishing machine, the middle part of the rotating part 1 is also provided with a wire guide hole 16 which is coaxial with the connecting hole 21 of the supporting plate 2.

Referring to fig. 3, two threaded holes 41 are formed through the retainer 4, and the threaded holes 41 are used for screwing screws to mount the retainer 4 on a support base of a rotating shaft of the polishing machine; the stopper 4 is arranged around the outer periphery of the annular projection 13, and the rotating member 1, the support plate 2 and the stopper 3 have the same rotational axis center.

The implementation principle of the embodiment of the application is as follows: when a workpiece is polished by the polishing machine, the polishing machine usually has the requirement of multi-surface and multi-angle polishing, so that the rotating shaft of the polishing machine can rotate by 360 degrees or more. This application realizes surpassing 360 angle modulation through designing dual angle limit structure, satisfies hard spacing crashproof simultaneously, prevents that the cable hank from breaking.

Assembling the angle hard limiting assembly: s1, the limiting rod 3 penetrates through the installation through hole 22, and the jackscrew is screwed in to fix the limiting rod 3 on the support plate 2; s2, mounting the stop piece 4 on a rotating shaft supporting seat of the polishing machine; s3, abutting the support plate 2 against the stopper 4, and inserting the annular projection 13 of the rotating member 1 into the connecting hole 21, so that the rotating plate 14 abuts against the support plate 2; s4 screws the rotor 1 and the rotary shaft together.

In the running process of the rotating shaft, the supporting plate 2 and the rotating member 1 rotate together under the action of the friction force of the rotating member 1; when the soft limit is triggered, one end of the limit rod 3 is abutted to one of the second limit steps 42, and the support plate 2 stops rotating; then the rotating plate 14 rotates 200 degrees in the opposite direction, wherein the first limiting step 12 is abutted with one end of the limiting rod 3, the rotating part 1 pushes the limiting rod 3 to drive the supporting plate 2 to continue to rotate the shaft for 200 degrees until the other end of the limiting rod 3 is abutted with the other second limiting step 42, and at the moment, the opposite surfaces of the first limiting step 12 and the second limiting step 42 are abutted with the limiting rod 3, so that the rotation of the rotating shaft is limited hard; and then the rotating shaft drives the rotating part 1 to rotate in the forward direction, and the steps are repeated, so that the forward and reverse angular adjustment of the rotating shaft beyond 360 degrees is realized, and the twisting loss of the cable is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a spacing subassembly of angle is hard which characterized in that: comprises the following steps of;

the rotating part (1), the rotating part (1) is provided with an annular notch (11), and the rotating part (1) is connected with a rotating shaft;

the rotating part (1) is rotatably connected with the supporting plate (2) and forms two first limiting steps (12);

the limiting rod (3) penetrates through the supporting plate (2), one end of the limiting rod is positioned between the two first limiting steps (12) and can be abutted against one of the first limiting steps (12); and

the stop piece (4) is arranged on the rotating shaft supporting seat, the supporting plate (2) is in rotating contact with the stop piece (4) relative to the other surface of the rotating piece (1) and forms two second limiting steps (42); the other end of the limiting rod (3) is positioned between the two second limiting steps (42) and can be abutted against one of the second limiting steps (42);

the sum of the included angle between the two first limiting steps (12) and the included angle between the two second limiting steps is larger than 360 degrees and smaller than 720 degrees; when the opposite surfaces of the first limit step (12) and the second limit step (42) are abutted against the limit rod, the rotating shaft stops rotating.

2. The angular hard stop assembly of claim 1, wherein: rotate piece (1) middle part and be equipped with annular arch (13), connecting hole (21) with annular arch (13) looks adaptation are seted up in backup pad (2) middle part, annular arch (13) pass connecting hole (21) to rotate with backup pad (2) and be connected.

3. The angular hard stop assembly of claim 2, wherein: a plurality of mounting holes (15) are formed in the annular protrusion (13) in the circumferential direction, and the mounting holes (15) are used for connecting the rotating shaft with the rotating part (1).

4. The angular hard stop assembly of claim 1, wherein: the two ends of the rotating piece (1) facing the side wall of the positioning block are also provided with abutting grooves (16) matched with the side wall of the positioning block.

5. The angular hard stop assembly of claim 1, wherein: the limiting rod (3) is detachably and fixedly connected with the supporting plate (2).

6. The angular hard stop assembly of claim 5, wherein: the supporting plate (2) is provided with a mounting through hole (22), and the mounting through hole (22) is used for inserting and fixing the limiting rod (3).

7. The angular hard stop assembly of claim 6, wherein: a fastening hole (23) is formed in the side wall of the supporting plate (2), and the fastening hole (23) is communicated with the mounting through hole (22) and used for being screwed in a fastening piece to fix the limiting rod (3).

8. The angular hard stop assembly of claim 1, wherein: 2 threaded holes (41) are formed in the retainer, and the threaded holes (41) are used for tightly mounting the retainer (4) on the rotating shaft supporting seat.