CN219504170U

CN219504170U - Locking device

Info

Publication number: CN219504170U
Application number: CN202320802487.XU
Authority: CN
Inventors: 叶峰; 王德强; 周斌
Original assignee: Jiangsu Longcheng Precision Forging Group Co ltd
Current assignee: Jiangsu Longcheng Precision Forging Group Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-11
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of machining of mechanical parts and discloses a locker, which comprises a clamping seat, wherein one side of the clamping seat is provided with a clamping frame, one end of the clamping seat is fixedly provided with three clamping jaws, the outer side of the clamping frame is provided with six rotating surfaces, one side of the clamping frame is provided with a second limiting groove, the inner side of the second limiting groove is integrally formed with three second convex blocks, one side of each second convex block is provided with a second guide inclined surface, the clamping jaw and the clamping frame are enabled to clamp the elastic diameter of a screw tooth of a part to be repaired towards the axis under the condition of mutually turnover extrusion by screwing the screw thread end of the part to be repaired into the inner side of the screw tooth, and the other end of the screw thread end of the part to be repaired can be machined under the condition of being not influenced by positive and negative rotation stress under the condition of rapid encircling by light force.

Description

Locking device

Technical Field

The utility model relates to the technical field of machining of mechanical parts, in particular to a locker.

Background

When manufacturing and repairing and processing an external thread part, the other end of the external thread end to be clamped is machined, the thread end cannot be clamped directly due to the fact that the thread structure is easy to clamp, especially the part with a short thread is easy to clamp and damage the thread, in this case, a simple internal thread tool with the same thread is usually manufactured, the tool is installed on a machine tool and screwed in, and the adjacent vertical bottom surfaces of the threads are tightly attached to the threaded end face of the tool to be locked or the foremost end face of the thread to be locked.

But the thread end is locked and clamped by a simple tool through the corresponding vertical bottom surface of the thread, the machining space of the thread bottom surface can be lost due to the locking of the thread corresponding to the vertical bottom surface, the thread can move directionally, the thread end without self-locking clamping is easy to loosen when the thread end is subjected to the cutting force and the cutting direction of a cutter, and the machining rotary cutting direction is fixed; the other end of the screw is damaged due to the fact that the screw end is required to be stressed in the locking process; the clamping has no self-locking function, and the continuous clamping force is unreliable, so that the locker is provided.

Disclosure of Invention

The present utility model is directed to a locker to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the locker comprises a clamping seat, wherein a clamping frame is arranged on one side of the clamping seat, and three clamping jaws are fixed at one end of the clamping seat;

the clamping frame is characterized in that six rotating surfaces are arranged on the outer side of the clamping frame, a second limiting groove is formed in one side of the clamping frame, three second protruding blocks are integrally formed in the inner side of the second limiting groove, and a second guiding inclined plane is formed in one side of each second protruding block.

Preferably, the outer sides of the three clamping jaws are uniformly formed with two first protruding blocks, and one side of each first protruding block is provided with a first guiding inclined plane.

Preferably, a first limit groove is formed between the three clamping jaws, and a plurality of threads positioned at the inner side of the first limit groove are arranged at the inner side of the clamping jaw.

Preferably, a shrinkage groove is formed between the two adjacent clamping jaws, an arc groove is formed in the bottom of the inner side of the shrinkage groove, and an annular groove is formed in the joint of the clamping jaws and the clamping seat.

Preferably, the outer side of the clamping seat is provided with three clamping surfaces, and one end of the clamping seat is provided with a limiting table positioned on one side of the clamping jaw.

Preferably, the outer sides of the three clamping jaws are inserted into the inner sides of the second limiting grooves, the second guiding inclined planes are matched with the first guiding inclined planes, and the first protruding blocks are matched with the second protruding blocks.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects: according to the utility model, the threaded end of the part to be repaired is screwed into the inner side of the screw thread to form a firm whole, the first lug is contacted with one side of the second lug, the side walls of the shrinkage groove, the annular groove and the circular arc groove deform at the moment, so that the clamping jaw clamps the screw thread of the repaired part to elastically deform towards the axle center under the mutual turnover extrusion, the other end of the threaded end of the repaired part can be machined without being influenced by forward and reverse rotation stress under the condition of rapid encircling the integral clamping by light force, a certain space is reserved during clamping, and chamfering processing can be carried out on the adjacent vertical bottom surfaces of the screw thread, and multiple processing of the other end can be finished by only clamping the shorter threaded end at one time with high quality and high efficiency; the clamping damage, the insecurity of the clamp, no self-locking after clamping, influence on the machining cutting force, direction, space and other technical problems encountered when the threaded end of the part is clamped and repaired to machine the other end are effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a front view of a first clamping seat according to the present utility model;

FIG. 3 is a schematic diagram of a front view of a second clamping seat according to the present utility model;

FIG. 4 is a schematic view of a clamping frame according to the present utility model;

fig. 5 is a schematic top view of the present utility model.

Reference numerals illustrate: 1. a clamping seat; 2. a clamping frame; 3. a clamping jaw; 4. screw threads; 5. a first guiding inclined surface; 6. a shrink tank; 7. a first limit groove; 8. an annular groove; 9. an arc groove; 10. a first bump; 11. the second limit groove; 12. a second guiding inclined surface; 13. a second bump; 14. a limiting table; 15. a rotating surface; 16. and a clamping surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a locker, including grip slipper 1, grip slipper 1 one side is equipped with grip slipper 2, grip slipper 1 one end is fixed with jaw 3 that is three in quantity, grip slipper 2 is under the effect of spanner, maximum rotation angle is 60 degrees, grip slipper 2 outside is provided with the rotation face 15 that is six in quantity, six rotation face 15 are six equal-divided planes, second spacing groove 11 has been seted up to grip slipper 2 one side, second spacing groove 11 inboard integrated into one piece has the second lug 13 that is three in quantity, second lug 13 one side is equipped with second guide slope 12, through the effect of grip slipper 2 under not only can quick recognition of position and do the turnover motion under the atress, the direct atress of work piece of prevention repair is damaged function in addition.

The three clamping jaw 3 outsides all integrated into one piece have a first lug 10 that is two in quantity, first lug 10 one side is equipped with first guide inclined plane 5, be equipped with first spacing groove 7 between the three clamping jaw 3, clamping jaw 3 inboard is equipped with the screw thread 4 that a plurality of is located first spacing groove 7 inboard, clamping frame 2 follows the spanner and rotates, make first guide inclined plane 5 contact in one side of second guide inclined plane 12 in this process, simultaneously make first lug 10 contact in one side of second lug 13, shrink groove 6 this moment, ring channel 8 and circular arc groove 9 lateral wall produce deformation, make clamping jaw 3 and clamping frame 2 under the mutual turnover extrusion, clamping jaw 3 clamping is reworked the screw thread 4 to axle center elasticity diameter, exert the face-to-face effective self-locking function under the small angle contact of similar formation, all be equipped with shrink groove 6 between two adjacent clamping jaw 3, shrink groove 6 inboard bottom is equipped with circular arc groove 9, clamping jaw 3 and clamping seat 1 junction is equipped with ring channel 8.

The clamping seat 1 outside is equipped with the clamping face 16 that is three in quantity, and clamping seat 1 one end is equipped with the spacing platform 14 that is located clamping jaw 3 one side, and three clamping jaw 3 outsides insert in the inboard of second spacing groove 11, and second direction inclined plane 12 and first direction inclined plane 5 looks adaptation, first lug 10 and second lug 13 looks adaptation have solved the clamping damage that comes the processing other end to meet at the clamping repair part screw thread end, press from both sides not firm, press from both sides after not having the auto-lock, influence a plurality of technical problems such as processing cutting force, direction, space.

Working principle: when the locking device is used, firstly, the clamping seat 1 is inserted into the inner side of the lathe chuck, the lathe chuck is used for clamping and fixing the clamping surface 16, then the clamping frame 2 is sleeved on the outer sides of the three clamping jaws 3, so that the clamping frame 2 is attached to the limiting table 14, one end of a part thread needing to be repaired is inserted into the inner side of the first limiting groove 7, the thread end of the repaired part is in threaded connection with the thread 4, and when in threaded connection, a certain gap is reserved between the repaired part and the clamping frame 2, so that after the excircle of the repaired part is conveniently turned, the adjacent bottom surfaces of the threads are chamfered vertically;

the spanner of adaptation holder 2 is taken, cup joint the spanner in the outside of rotor 15, then under the force action of spanner, make holder 2 follow the spanner and rotate, make first direction inclined plane 5 contact in the one side of second direction inclined plane 12 in this process, make first lug 10 contact in one side of second lug 13 simultaneously, shrink groove 6 this moment, ring channel 8 and circular arc groove 9 lateral wall produce deformation, make clamping jaw 3 and holder 2 under the extrusion of turnover each other, clamping jaw 3 clamping reprocess the screw tooth 4 of part to the axle center elasticity diameter, the performance is like effective self-locking function under the face-to-face small angle contact of formation.

At the moment, the screw thread end of the reworked part screwed into the screw thread 4 can be continuously held tightly and locked, and is made into a firm whole, and under the condition of light-force quick holding and integral clamping, the other end of the screw thread end of the reworked part can be machined without being influenced by forward and reverse rotation stress, and a certain space is reserved during clamping, and the adjacent vertical bottom surfaces of the screw thread can be chamfered, so that the machining of a plurality of positions of the other end can be finished only by clamping the shorter screw thread end at one time in a high-quality and high-efficiency mode. The clamping damage, the insecurity of the clamp, no self-locking after clamping, influence on the machining cutting force, direction, space and other technical problems encountered when the threaded end of the part is clamped and repaired to machine the other end are effectively solved.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. The utility model provides a locker, includes grip slipper (1), its characterized in that: one side of the clamping seat (1) is provided with a clamping frame (2), and one end of the clamping seat (1) is fixedly provided with three clamping jaws (3);

the clamping frame (2) outside is provided with rotation face (15) that is six in quantity, second spacing groove (11) have been seted up to clamping frame (2) one side, second spacing groove (11) inboard integrated into one piece has second lug (13) that is three in quantity, second lug (13) one side is equipped with second guide slope (12).

2. A locker according to claim 1, wherein: the three clamping jaws (3) are uniformly and integrally formed with two first protruding blocks (10), and a first guide inclined plane (5) is arranged on one side of each first protruding block (10).

3. A locker according to claim 2, wherein: a first limiting groove (7) is formed between the three clamping jaws (3), and a plurality of screw threads (4) positioned at the inner side of the first limiting groove (7) are arranged at the inner side of the clamping jaws (3).

4. A locker according to claim 3, wherein: a shrinkage groove (6) is formed between every two adjacent clamping jaws (3), an arc groove (9) is formed in the bottom of the inner side of the shrinkage groove (6), and an annular groove (8) is formed in the joint of each clamping jaw (3) and the clamping seat (1).

5. A locker according to claim 1, wherein: the clamping seat (1) is provided with three clamping surfaces (16) on the outer side, and one end of the clamping seat (1) is provided with a limiting table (14) positioned on one side of the clamping jaw (3).

6. A locker according to claim 2, wherein: the outer sides of the three clamping jaws (3) are inserted into the inner sides of the second limiting grooves (11), the second guide inclined planes (12) are matched with the first guide inclined planes (5), and the first protruding blocks (10) are matched with the second protruding blocks (13).