CN217890729U

CN217890729U - Elastic centering fixture

Info

Publication number: CN217890729U
Application number: CN202221727980.1U
Authority: CN
Inventors: 王春林; 申淞夫; 李浩玮; 王虹凯; 郭宝; 姚丽
Original assignee: Shenzhen Huiyan Precision Technology Co ltd
Current assignee: Shenzhen Huiyan Precision Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-25
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses an elastic centering clamp, which comprises a carrier, wherein a clamping area for accommodating a workpiece is arranged on the carrier, clamping jaws are arranged on the periphery of the clamping area, the carrier is also provided with a force application part and a force unloading part, and the force application part has elastic force for driving the clamping jaws to move towards the axis of the clamping area; the force unloading piece drives the clamping jaw to move away from the axis of the clamping area after acting force is exerted on the force unloading piece; the utility model provides an elasticity centering anchor clamps, its purpose improves dismouting efficiency, simplifies the dismouting step, avoids the clamping in-process to cause the damage to the work piece.

Description

Elastic centering fixture

Technical Field

The application relates to the technical field of clamps, in particular to an elastic centering clamp.

Background

With the rapid development of electronic products, watches are becoming more and more popular in the consumer market as they are not only used to watch time, but also as a matching decoration to improve the appearance.

The carrier of whole wrist-watch is regarded as to the wrist-watch dial plate, and the dial plate needs to be fixed the wrist-watch dial plate on bearing the equipment in the course of working, by cylinder drive chucking dish locking, this kind of anchor clamps centre gripping mode is more firm, but for the rigidity clamping, the clamping in-process causes the damage to the dial plate outer wall easily to this kind of anchor clamps are comparatively thick and bulky, and the dismouting is troublesome, consequently need make the improvement to this, proposes a new elasticity centering anchor clamps.

Disclosure of Invention

The utility model discloses mainly to above problem, provided an elasticity centering anchor clamps, its purpose improves dismouting efficiency, simplifies the dismouting step, avoids the clamping in-process to cause the damage to the work piece.

In order to achieve the above object, the utility model provides an elastic centering fixture, which comprises a carrier, wherein the carrier is provided with a clamping area for accommodating a workpiece, clamping jaws are arranged on the periphery of the clamping area, the carrier is also provided with a force application part and a force unloading part, and the force application part has an elastic force for driving the clamping jaws to move towards the axis of the clamping area; the force unloading piece drives the clamping jaw to move away from the axis of the clamping area after acting force is exerted on the force unloading piece.

Furthermore, a sliding groove for accommodating the clamping jaw to move is formed in the carrier, the force unloading piece comprises a shifting rod and a rotary table, a guide pillar is arranged on the clamping jaw, the rotary table is movably arranged in the carrier and provided with an arc groove for accommodating the guide pillar to extend into, and the shifting rod is fixedly connected with the rotary table; the side wall of the carrier is provided with a stroke groove, and the deflector rod extends out of the stroke groove.

Furthermore, the clamping area is a circular groove, the number of the clamping jaws is three, and the clamping end faces of the three groups of clamping jaws are arc faces with the same diameter as the circular groove.

Further, the force application part is a tension spring, a first hanging part is arranged on the carrier, a second hanging part is arranged at the bottom of the rotary table, one end of the tension spring is connected with the first hanging part, and the other end of the tension spring is connected with the second hanging part.

Further, the carrier includes three sector plates of group, goes up the chuck, support column and base down, three sector plate fixed connection of group are in on the last chuck, form between two sets of adjacent sector plates the spout, go up chuck and lower chuck fixed connection, have the volume in it the rotation groove of carousel activity, the bottom of lower chuck is passed through the support column and is connected the base.

Compared with the prior art, the utility model provides an elasticity centering anchor clamps, owing to set up the application of force spare and unload the power spare, in the clamping process, provide drive power to unloading the power spare by operating personnel, open the clamping area, hold the work piece and take out or hold the work piece and place, after the work piece is put into, unload the effort, the clamping jaw is under the elastic force effect of application of force spare, automatic centering moves towards the axle center, until clamping the work piece; the clamping is simple, the clamping of the elastic force can be adapted according to the size of the workpiece, and the appearance of the workpiece cannot be damaged; and the locking state is released, and the operator only applies force to the force unloading piece, so that the locking device is simple and quick.

Drawings

Fig. 1 is a perspective view of an elastic centering fixture disclosed herein.

FIG. 2 is a schematic diagram of a portion of a resilient centering fixture as disclosed herein.

Fig. 3 is a back structure diagram of the turntable.

Reference numerals shown in the drawings: 1. a carrier; 2. clamping the clamping jaw; 3. a force application member; 4. a force unloading member; 5. a first hanging part; 6. a second hanging part; 10. a sector plate; 11. an upper chuck; 12. a lower chuck; 13. a support pillar; 14. a base; 40. a deflector rod; 41. a turntable; 101. a chute; 102. a stroke slot; 103. a clamping zone; 401. a circular arc groove.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present disclosure will be described below by taking a wearable device and an elastic centering fixture disclosed in the present application as examples. It should be noted, however, that wearable devices, also known as smart wearable devices, are portable devices, such as watch dials, that are worn directly on the body or integrated into the clothing or accessories of the user.

According to an example of the present disclosure, as can be seen from the perspective views of the elastic centering fixture shown in fig. 1-3, the elastic centering fixture includes a disc carrier 1, a circular clamping area 103 for accommodating a workpiece is provided on the carrier 1, in this embodiment, the carrier 1 is composed of three sets of sector plates 10, an upper chuck 11, a lower chuck 12, a support column 13 and a base 14, the three sets of sector plates 10 are fixed on the upper chuck 11, a sliding slot 101 is formed between two adjacent sector plates 10, and the axial positions of the three sets of sector plates 10 constitute the clamping area 103 for accommodating the workpiece; the clamping jaw 2 is movably arranged on the sliding groove 101, the force applying piece 3 drives the clamping jaw 2 to move towards the axis of the clamping area 103, in the state, when a workpiece is placed into the clamping area 103, the workpiece can be automatically clamped, the force applying piece 3 can be a tension spring to adapt to workpieces with different sizes, rigid contact in the clamping process is avoided, the force removing piece 4 can drive the clamping jaw 2 to move towards the position far away from the axis of the clamping area 103 after force is applied by an operator, and further work locking is released, so that the operator can take out the workpiece.

The composition and connection of the force unloading member 4 will be described in detail with reference to specific examples.

The force unloading piece 4 comprises a driving lever 40 and a rotary table 41, the bottom of the clamping jaw 2 is provided with a guide post (not shown), the upper chuck 11 and the lower chuck 12 are fixedly connected through a screw, a rotary groove for accommodating the rotary table 41 is formed in the upper chuck 11, and the bottom of the lower chuck 12 is connected with the base 14 through a support column 13; the rotating disc 41 is arranged in the rotating groove and can rotate in the movable groove, the side wall of the carrier 1 is provided with a stroke groove 102, the deflector rod 40 extends out of the stroke groove 102, and an operator can rotate the rotating disc 41 by applying driving force to the deflector rod 40.

Specifically, the turntable 41 is provided with an arc groove 401 into which the guide post extends, the arc groove 401 is provided with paths having different distances from the axis, and the rotating turntable 41 pulls the guide post to move towards the axis position or away from the axis position through the arc groove 401, so that the clamping jaw 2 moves on the sliding groove 101.

The composition and connection relationship of the urging member 3 will be described in detail with reference to specific examples.

As shown in fig. 3, the force applying member 3 is a tension spring, the carrier 1 is provided with a first hanging portion 5, the bottom of the rotating disc 41 is provided with a second hanging portion 6, one end of the tension spring is connected to the first hanging portion 5, and the other end of the tension spring is connected to the second hanging portion 6.

In the example disclosed above, the clamping areas 103 are circular grooves, the number of the clamping jaws 2 is three, and the clamping end surfaces of the three sets of clamping jaws 2 are circular arc surfaces having the same diameter as the circular grooves.

From a reading of the foregoing detailed description, it will be appreciated by those skilled in the art that the invention can be readily implemented. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the embodiments disclosed, a person skilled in the art can combine different features at will, so as to implement different solutions, and can combine different forms of additional functions to form other solutions. The scope of protection of the application is therefore only limited by the scope of the appended claims.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. An elastic centering fixture is characterized by comprising a carrier, wherein a clamping area for accommodating a workpiece is arranged on the carrier, clamping jaws are arranged on the periphery of the clamping area, the carrier is further provided with a force application part and a force unloading part, and the force application part has elastic force for driving the clamping jaws to move towards the axis of the clamping area; the force unloading piece drives the clamping jaw to move away from the axis of the clamping area after acting force is exerted on the force unloading piece.

2. The elastic centering fixture of claim 1, wherein said carrier is provided with a sliding groove for accommodating said clamping jaw, said force releasing member comprises a driving lever and a rotating disc, said clamping jaw is provided with a guide post, said rotating disc is movably disposed in said carrier and provided with an arc groove for accommodating said guide post, and said driving lever is fixedly connected to said rotating disc; the side wall of the carrier is provided with a stroke groove, and the deflector rod extends out of the stroke groove.

3. An elastic centering fixture according to claim 1, wherein said clamping areas are circular grooves, said clamping jaws are three groups in number, and the clamping end surfaces of said three groups of clamping jaws are circular arc surfaces having the same diameter as said circular grooves.

4. The elastic centering fixture of claim 2, wherein the force applying member is a tension spring, the carrier is provided with a first hanging portion, the bottom of the rotating disk is provided with a second hanging portion, and one end of the tension spring is connected to the first hanging portion while the other end is connected to the second hanging portion.

5. The elastic centering fixture of claim 2, wherein said carrier comprises three sets of sector plates, an upper chuck, a lower chuck, a support column and a base, said three sets of sector plates are fixedly connected to said upper chuck, said sliding slot is formed between two adjacent sets of sector plates, said upper chuck and said lower chuck are fixedly connected, and a rotating slot for accommodating said turntable is formed in said upper chuck, and said base is connected to the bottom of said lower chuck through said support column.