CN218050391U

CN218050391U - High-precision positioning fixture for turning of fixing and sealing device

Info

Publication number: CN218050391U
Application number: CN202221283261.5U
Authority: CN
Inventors: 李晓伟; 李尚目; 李新城; 蒋招方
Original assignee: Wenzhou Shengdun Traffic Equipment Co ltd
Current assignee: Wenzhou Shengdun Traffic Equipment Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-12-16
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a solid sealing device processing technology field especially relates to a solid sealing device lathe work high accuracy positioning fixture. The technical scheme includes that the clamping chuck is provided with clamping jaws, the clamping jaws are used for positioning and pressing the cap blank, grooves are formed in the positioning sides of the clamping jaws, connecting plates are arranged in the grooves, fixing blocks are fixedly arranged at two ends of the side face of the connecting plate, which is opposite to the side face of the cap blank, of the connecting plate, two supporting blocks are connected to one side, opposite to the side face of the fixing block, of the supporting blocks through elastic assemblies, and the vertical faces of the extruding sides of the supporting blocks are in contact with and press the cap blank. The utility model has the advantages of will pressing the cap base and fixing a position on the horizontal direction, press the cap base with jack catch cooperation location, ensure to press the cap base stable.

Description

High-precision positioning fixture for turning of fixing and sealing device

Technical Field

The utility model relates to a solid sealing device processing technology field specifically is a solid sealing device lathe work high accuracy positioning fixture.

Background

The license plate fixing and sealing device is an important component of the license plate of a motor vehicle, the license plate on the motor vehicle is fixed on a license plate mounting frame by adopting a screw connecting piece of the fixing and sealing device, and a pressing cap is clamped at the front end of a screw to cover the head of the screw.

For the pressing cap on the fixing and sealing device, the pressing cap is processed into a finished pressing cap with an inner groove by a turning device from a cap blank during production. And clamping the cap blank by a positioning chuck on the turning device, and processing and grooving the cap blank by a cutter on the turning device. The existing positioning chuck is used for positioning through multi-point position compression when clamping a cap blank, clamping jaws on the positioning chuck are axial acting force on the cap blank, the cap blank can be positioned only by relying on the friction force of the clamping jaws on the cap blank in the horizontal direction, and the cap blank is easy to deviate in the horizontal direction. In view of this, we propose a high-precision positioning fixture for turning of a sealing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solid encapsulation device lathe work high accuracy positioning fixture to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solid sealing device lathe work high accuracy positioning fixture, includes the chuck, be provided with the jack catch on the chuck, the cap blank is pressed in the jack catch location, the location side of jack catch is opened and is equipped with the recess, be provided with the connecting plate in the recess, the connecting plate has set firmly the fixed block respectively for pressing the side both ends of cap blank, two the relative one side of fixed block is connected with respectively through elastic component and supports the piece, two support the vertical face contact pressure cap blank of piece extrusion side.

Preferably, threaded columns are respectively inserted into two ends of the connecting plate, threaded holes are formed in the inner sides of the grooves corresponding to the threaded columns, the threaded columns penetrate through the connecting plate and are screwed into the threaded holes, the threaded holes are deep enough, a first spring is arranged in front of the inner sides of the connecting plate and the grooves and sleeved on the threaded columns, and two ends of the first spring are respectively fixed to the inner sides of the connecting plate and the grooves.

Preferably, the elastic component is composed of a second spring, an inner rod and a sleeve, the inner rod is inserted in the sleeve, one end of the sleeve is connected with the fixed block, one end of the inner rod, which is located outside the sleeve, is connected with the abutting block, the inner rod and the sleeve are sleeved with the second spring, two ends of the second spring are respectively connected with the fixed block and the abutting block, when the pressing cap blank is abutted by the abutting block, the second spring is in a compressed state, and one end of the inner rod, which is located inside the sleeve, is abutted against the fixed block.

Preferably, the bottom of the extrusion side of the abutting block is provided with an inclined plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping jaws on the chuck clamp the pressing cap blank, the pressing cap blank moves along the inclined plane formed at the bottom of the extrusion side of the abutting block to move the abutting block towards the fixed block until the vertical surface of the extrusion side of the abutting block contacts the pressing cap blank, the second spring at the moment is compressed, one end of the inner rod in the sleeve abuts against the fixed block, the abutting block abuts against the pressing cap blank, elastic potential energy generated by the second spring acts on the abutting block to provide an acting force for the abutting block to abut against the pressing cap blank, one end of the inner rod in the sleeve abuts against the fixed block, and the abutting block cannot move after acting on the pressing cap blank, so that the pressing cap blank is positioned in the horizontal direction.

2. When not in use, the threaded column can be rotated to enable the threaded column to be retracted into the threaded hole, and the connecting plate moves to the inside of the groove together with the abutting block, so that the abutting block and the elastic component are protected.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a connection structure of a jaw in section when positioning a pressing cap blank according to the present invention;

fig. 3 is an enlarged schematic structural view of fig. 2 according to the present invention;

FIG. 4 is a schematic view of the section connection structure of the clamping jaw when the clamping jaw is not in use;

fig. 5 is an enlarged schematic structural view of fig. 4 according to the present invention;

fig. 6 is a schematic diagram of the explosion structure of the elastic component of the present invention.

In the figure: 1. a chuck; 2. pressing the cap blank; 3. a claw; 301. a groove; 302. a connecting plate; 303. a resisting block; 304. a bevel; 305. an elastic component; 306. a fixed block; 307. a threaded post; 308. a first spring; 309. a threaded hole; 3010. a second spring; 3011. an inner rod; 3012. and (4) sleeving the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution:

a high-precision positioning fixture for turning of a solid sealing device comprises a chuck 1, please refer to fig. 1, wherein a clamping jaw 3 is arranged on the chuck 1, and the clamping jaw 3 positions and presses a cap blank 2. The chuck 1 is arranged on a turning machine tool, and the clamping jaws 3 axially apply force to the pressing cap blank 2 to extrude and position the pressing cap blank 2.

Specifically, referring to fig. 2-3, a groove 301 is formed on a positioning side of each jaw 3, a connecting plate 302 is arranged in the groove 301, fixing blocks 306 are fixedly arranged at two ends of the connecting plate 302, which are opposite to the side surface of the pressing cap blank 2, respectively, one opposite sides of the two fixing blocks 306 are connected with abutting blocks 303 through elastic components 305, the elastic components 305 are composed of second springs 3010, inner rods 3011 and sleeves 3012, and vertical surfaces of the pressing sides of the two abutting blocks 303 contact the pressing cap blank 2. The pressing cap blank 2 moves along the inclined plane 304 formed at the bottom of the extrusion side of the pressing block 303 to move the pressing block 303 towards the fixed block 306 until the vertical surface of the extrusion side of the pressing block 303 contacts the pressing cap blank 2, at the moment, the second spring 3010 is compressed, one end of the inner rod 3011, which is positioned in the sleeve 3012, abuts against the fixed block 306, the pressing cap blank 2 is abutted by the pressing block 303, elastic potential energy generated by the second spring 3010 acts on the pressing block 303 to provide an acting force for the pressing block 303 to abut against the pressing cap blank 2, one end of the inner rod 3011, which is positioned in the sleeve 3012, abuts against the fixed block 306, the pressing block 303 cannot move after acting on the pressing cap blank 2, and therefore the pressing cap blank 2 is positioned in the horizontal direction.

Further, referring to fig. 2 to 5, two ends of the connecting plate 302 are respectively inserted with a threaded column 307, a threaded hole 309 is formed in an inner side of the groove 301 corresponding to the threaded column 307, the threaded column 307 penetrates through the connecting plate 302 and is screwed into the threaded hole 309, the threaded hole 309 is deep enough, a first spring 308 is arranged in front of the inner sides of the connecting plate 302 and the groove 301, and an elastic coefficient of the first spring 308 is selected by a person skilled in the art according to actual conditions. The first spring 308 is sleeved on the threaded column 307, and two ends of the first spring 308 are respectively fixed with the connecting plate 302 and the inner side of the groove 301. When the pressing cap blank 2 is processed, the threaded column 307 is rotated downwards to enable the connecting plate 302 to move towards the pressing cap blank 2, when the pressing cap blank is not needed to be used, the threaded column 307 can be rotated to enable the threaded column 307 to retract into the threaded hole 309, the connecting plate 302 and the abutting block 303 move into the groove 301, and then the abutting block 303 and the elastic assembly 305 are protected.

Further, referring to fig. 2-6, the elastic component 305 is composed of a second spring 3010, an inner rod 3011 and a sleeve 3012, and the elastic coefficient of the second spring 3010 is selected by those skilled in the art according to actual conditions. The inner rod 3011 is inserted into the sleeve 3012, one end of the sleeve 3012 is connected to the fixing block 306, one end of the inner rod 3011 located outside the sleeve 3012 is connected to the abutting block 303, the inner rod 3011 and the sleeve 3012 are sleeved with the second spring 3010, two ends of the second spring 3010 are respectively connected to the fixing block 306 and the abutting block 303, when the pressing cap blank 2 is abutted by the abutting block 303, the second spring 3010 is in a compressed state, and one end of the inner rod 3011 located inside the sleeve 3012 abuts against the fixing block 306. One end of the inner rod 3011, which is located in the sleeve 3012, is abutted against the fixed block 306, the abutting block 303 does not move after acting on the cap pressing blank 2, and the abutting block 303 positions the cap pressing blank 2 in the horizontal direction.

Further, referring to fig. 3, the bottom of the pressing side of the abutting block 303 is provided with an inclined surface 304. The pressing cap blank 2 moves along the inclined plane 304 formed at the bottom end of the extrusion side of the abutting block 303 to move the abutting block 303 towards the fixed block 306, and the inclined plane 304 is designed to facilitate the pressing cap blank 2 to enter between the two abutting blocks 303 for positioning.

The working principle is as follows: the pressing cap blank 2 moves along the inclined plane 304 formed at the bottom of the extrusion side of the pressing block 303 to move the pressing block 303 towards the fixed block 306 until the vertical surface of the extrusion side of the pressing block 303 contacts the pressing cap blank 2, at the moment, the second spring 3010 is compressed, one end of the inner rod 3011, which is positioned in the sleeve 3012, abuts against the fixed block 306, the pressing cap blank 2 is abutted by the pressing block 303, elastic potential energy generated by the second spring 3010 acts on the pressing block 303 to provide an acting force for the pressing block 303 to abut against the pressing cap blank 2, one end of the inner rod 3011, which is positioned in the sleeve 3012, abuts against the fixed block 306, and the pressing block 303 cannot move after acting on the pressing cap blank 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a solid encapsulation device lathe work high accuracy positioning fixture, includes chuck (1), be provided with jack catch (3) on chuck (1), jack catch (3) location pressure cap base (2), its characterized in that: the novel nut cap blank pressing device is characterized in that a groove (301) is formed in the positioning side of the clamping jaw (3), a connecting plate (302) is arranged in the groove (301), fixing blocks (306) are fixedly arranged at two ends of the connecting plate (302) relative to the side face of the nut cap blank pressing body (2), two opposite sides of the fixing blocks (306) are connected with abutting blocks (303) through elastic components (305), and the vertical faces of the pressing sides of the abutting blocks (303) contact with the nut cap blank pressing body (2).

2. The high-precision positioning fixture for turning of the fixing and sealing device according to claim 1 is characterized in that: threaded columns (307) are respectively inserted into two ends of the connecting plate (302), threaded holes (309) are formed in the inner sides of the grooves (301) corresponding to the threaded columns (307), the threaded columns (307) penetrate through the connecting plate (302) and are screwed into the threaded holes (309), the threaded holes (309) are deep enough, a first spring (308) is arranged in front of the inner sides of the connecting plate (302) and the grooves (301), the first spring (308) is sleeved on the threaded columns (307), and two ends of the first spring (308) are respectively fixed with the inner sides of the connecting plate (302) and the grooves (301).

3. The high-precision positioning fixture for turning of the fixing and sealing device according to claim 1 is characterized in that: the elastic component (305) is composed of a second spring (3010), an inner rod (3011) and a sleeve (3012), the inner rod (3011) is inserted into the sleeve (3012), one end of the sleeve (3012) is connected with a fixed block (306), one end, located outside the sleeve (3012), of the inner rod (3011) is connected with a resisting block (303), the second spring (3010) is sleeved on the inner rod (3011) and the sleeve (3012), two ends of the second spring (3010) are connected with the fixed block (306) and the resisting block (303) respectively, when the pressing cap blank (2) is resisted by the resisting block (303), the second spring (3010) is in a compressed state, and one end, located inside the sleeve (3012), of the inner rod (3011) is resisted with the fixed block (306).

4. The high-precision positioning fixture for turning of the fixing and sealing device according to claim 1 is characterized in that: the bottom of the extrusion side of the abutting block (303) is provided with an inclined plane (304).