CN220637005U

CN220637005U - Quick positioning device

Info

Publication number: CN220637005U
Application number: CN202321796935.6U
Authority: CN
Inventors: 陈清崇; 周祈; 秦小标; 司攀攀; 杨合刚
Original assignee: Huayang Electronic Technology Pinghu Co ltd
Current assignee: Huayang Electronic Technology Pinghu Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-22
Anticipated expiration: 2033-07-07

Abstract

The utility model relates to the technical field of ratchet wrench processing, and discloses a quick positioning device, which comprises a workbench surface, wherein a V-shaped block is fixedly connected to the upper surface of the workbench surface, two positioning pins are fixedly connected to the upper surface of the V-shaped block, cushion blocks are arranged on two sides of the V-shaped block, the quick positioning device continuously applies acting force downwards to a sliding plate through continuous rotation of a screw rod, so that the spring is elastically deformed, the W-shaped block always applies the acting force to a wrench blank through the elastic acting force of the spring, the wrench blank can be firmly clamped by the V-shaped surface between the V-shaped block and a fixed seat, the screw rod has a certain degree of self-locking capability through a worm gear mechanism, the wrench blank can be firmly locked through the acting force of the spring after the motor stops rotating, and quality disqualification caused by multi-azimuth accurate continuous clamping of the wrench blank is avoided.

Description

Quick positioning device

Technical Field

The utility model relates to the technical field of ratchet wrench machining, in particular to a quick positioning device.

Background

The ratchet wrench production process needs to process the surfaces of the ratchet wrench connecting rod and the handle, so that the ratchet wrench needs to be firmly clamped and positioned to perform machining operation, and the existing ratchet wrench needs to clamp and position a primarily hot forged wrench blank to perform milling when a mounting groove is machined.

And because the rough surface of the spanner blank subjected to preliminary hot forging has uneven burrs, the clamp can be influenced by the burrs in the positioning and clamping of the spanner blank, and form and position deviation is generated.

If the spanner blank cannot be clamped in the positioning and clamping in the earlier stage in a multi-azimuth accurate and continuous mode, the quality of the finally processed ratchet spanner is unqualified.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a quick positioning device which has the advantages of multidirectional stable clamping and the like, and solves the problem that the quality of a ratchet wrench finally processed is affected because the workpiece cannot be clamped in a multidirectional accurate and continuous manner in the positioning clamping in the earlier stage.

(II) technical scheme

In order to achieve the aim of multi-azimuth stable clamping, the utility model provides the following technical scheme: the utility model provides a quick positioner, includes table surface, table surface's upper surface fixedly connected with V-arrangement piece, V-arrangement piece's upper surface fixedly connected with two locating pins, V-arrangement piece's both sides all are provided with the cushion, two optical axes of equal fixedly connected with of lower surface of cushion, the optical axis all extends table surface's lower surface, optical axis and table surface sliding connection, the equal fixedly connected with optical axis fixed plate of lower extreme of two corresponding optical axes, the surface of optical axis all overlaps and is equipped with the second spring.

Preferably, the second spring is located between the cushion block and the workbench surface, a W-shaped pressing block is arranged above the workbench surface, two sides of the W-shaped pressing block are fixedly connected with fixing seats, and the inner surfaces of the fixing seats are fixedly sleeved with second optical axes.

Preferably, the second optical axes extend out of the lower surface of the workbench surface, the V-shaped block is positioned between the two second optical axes, and the lower ends of the two second optical axes are fixedly connected with the second optical axis fixing plate.

Preferably, the outer surface sliding sleeves of the two second optical axes are provided with sliding plates, the outer surfaces of the two second optical axes are sleeved with springs, the springs are positioned between the sliding plates and the second optical axis fixing plates, the lower surface of the working table is fixedly connected with a supporting frame, and the inside of the supporting frame is fixedly connected with a bottom plate.

Preferably, a screw rod is rotationally connected between the sliding plate and the bottom plate, the screw rod rotationally penetrates through the outer surface of the second optical axis fixing plate, a worm wheel is fixedly sleeved at the lower end of the screw rod, a motor is fixedly connected to the upper surface of the bottom plate, a worm sleeve is fixedly sleeved on the outer surface of an output shaft of the motor, and the worm sleeve is meshed with the worm wheel.

(III) beneficial effects

Compared with the prior art, the utility model provides a quick positioning device, which has the following beneficial effects:

1. the quick positioning device is characterized in that a spanner blank to be subjected to preliminary forging is placed between two positioning pins, the two positioning pins are used for enabling the head of the spanner blank to be clamped with the two positioning pins, the transverse position of the spanner blank is approximately limited, then a motor is started, the rotation of a worm sleeve on the spanner blank is driven through the rotation of an output shaft of the motor, when the worm sleeve rotates, teeth on the worm sleeve can drive the worm wheel to rotate through the meshing of the worm sleeve and the worm wheel, the worm wheel is driven to rotate by a force in the direction away from the motor, the tooth teeth on the worm sleeve face can drive the screw rod on the worm wheel to rotate, the screw rod on the worm wheel is simultaneously driven to rotate through the threaded connection of the screw rod and the sliding plate, the threads on the screw rod apply a downward acting force to the sliding plate when the screw rod rotates, the sliding plate is driven to move downwards along the axial directions of two second optical axes, when the sliding plate moves downwards, two second optical axes are driven to move downwards simultaneously by a second optical axis fixing plate on a spring, when the two second optical axes move downwards, two fixing seats drive a W-shaped pressing block to move downwards simultaneously until the lower surface of the W-shaped pressing block moves downwards to be in contact with the upper surface of a spanner blank, then downward acting force is continuously applied to the spanner blank, so that the spanner blank drives two cushion blocks to move downwards in the axial direction of the optical axes, the ground of the spanner blank is always attached to the upper surface of the cushion blocks in the process by the second spring, the horizontal direction of the spanner blank is limited to a certain extent, the angular offset generated by the rotation of the spanner blank is avoided, then the W-shaped pressing block moves downwards continuously until the lower surface of the spanner blank is in contact with the V-shaped block, the sliding plate continuously applies downward acting force by the continuous rotation of a screw rod, the spring generates elastic deformation, the W-shaped pressing block always applies the elastic force to the spanner blank through the elastic force of the spring, so that the spanner blank can be firmly clamped by the V-shaped surface between the V-shaped block and the fixed seat, the screw rod has a certain degree of self-locking capacity through the worm and gear mechanism, the spanner blank can be firmly locked through the force of the spring after the motor stops rotating, and the quality disqualification caused by the fact that the spanner blank cannot be clamped in multiple directions accurately and continuously is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a transmission structure of the present utility model;

FIG. 3 is a schematic diagram of the structure A in FIG. 1 according to the present utility model.

In the figure: 1. a work table; 2. an optical axis; 3. a cushion block; 4. a V-shaped block; 5. a second optical axis; 6. a second optical axis fixing plate; 7. a sliding plate; 8. a spring; 9. a screw; 10. a fixing seat; 11. a W-shaped pressing block; 12. a worm wheel; 13. a bottom plate; 14. a motor; 15. a worm sleeve; 16. a positioning pin; 17. an optical axis fixing plate; 18. a second spring; 19. and (5) supporting frames.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a new technical solution: the quick positioning device comprises a workbench surface 1, wherein the upper surface of the workbench surface 1 is fixedly connected with a V-shaped block 4, the upper surface of the V-shaped block 4 is fixedly connected with two positioning pins 16, both sides of the V-shaped block 4 are respectively provided with a cushion block 3, the lower surface of the cushion block 3 is fixedly connected with two optical axes 2, the optical axes 2 are respectively extended out of the lower surface of the workbench surface 1, the optical axes 2 are in sliding connection with the workbench surface 1, the lower ends of the two corresponding optical axes 2 are respectively fixedly connected with an optical axis fixing plate 17, the outer surface of the optical axis 2 is respectively sleeved with a second spring 18, the second spring 18 is positioned between the cushion block 3 and the workbench surface 1, a W-shaped pressing block 11 is arranged above the workbench surface 1, both sides of the W-shaped pressing block 11 are respectively fixedly connected with a fixing seat 10, the inner surface of the fixing seat 10 is respectively fixedly sleeved with a second optical axis 5, the second optical axis 5 is respectively extended out of the lower surface of the workbench surface 1, the V-shaped block 4 is positioned between the two second optical axes 5, the lower ends of the two second optical axes 5 are fixedly connected with a second optical axis fixing plate 6, the outer surfaces of the two second optical axes 5 are sleeved with a sliding plate 7 in a sliding manner, the outer surfaces of the two second optical axes 5 are sleeved with springs 8, the springs 8 are positioned between the sliding plate 7 and the second optical axis fixing plate 6, the lower surface of the working table 1 is fixedly connected with a supporting frame 19, a bottom plate 13 is fixedly connected in the supporting frame 19, a screw rod 9 is rotationally connected between the working table 1 and the bottom plate 13, the screw rod 9 rotationally penetrates through the outer surface of the second optical axis fixing plate 6, the screw rod 9 is in threaded connection with the sliding plate 7, the lower end of the screw rod 9 is fixedly sleeved with a worm wheel 12, the upper surface of the bottom plate 13 is fixedly connected with a motor 14, the outer surface of an output shaft of the motor 14 is fixedly sleeved with a worm sleeve 15, the worm sleeve 15 is meshed with the worm wheel 12, the spanner blank to be subjected to preliminary forging is placed between the two positioning pins 16, the two positioning pins 16 are used for enabling the head clamp of the spanner blank to be in contact with the two positioning pins 16, so that the transverse position of the spanner blank is approximately limited, then the motor 14 is started, the worm sleeve 15 is driven to rotate through the rotation of the output shaft of the motor 14, the worm sleeve 15 is meshed with the worm wheel 12 through the meshing of the worm sleeve 15, when the worm sleeve 15 rotates, the worm wheel 12 is driven to rotate by the force of tooth teeth on the surface of the worm wheel 12, the tooth grooves on the worm wheel 12 are far away from the motor, the worm wheel 12 is driven to rotate, the screw 9 on the worm wheel 12 is driven to rotate simultaneously, the screw 9 is connected with the screw threads of the sliding plate 7 through the screw 9, a downward acting force is exerted on the sliding plate 7 when the screw 9 rotates, the sliding plate 7 is driven to move downwards along the axial directions of the two second optical axes 5, the sliding plate 7 drives the two second optical axes 5 to move downwards simultaneously through the second optical axis fixing plate 6 on the spring 8 when moving downwards, the two second optical axes 5 move downwards simultaneously through the two fixing seats 10, the W-shaped pressing block 11 is driven to move downwards simultaneously until the lower surface of the W-shaped pressing block 11 moves downwards to be in contact with the upper surface of the spanner blank, then downward acting force is continuously applied to the spanner blank, the spanner blank drives the two cushion blocks 3 to move downwards in the axial direction of the optical axis 2, the ground of the spanner blank is always attached to the upper surface of the cushion block 3 in the process through the second spring 18, the horizontal direction of the spanner blank is limited to a certain extent, the angular offset generated by rotation of the spanner blank is avoided, the W-shaped pressing block 11 moves downwards continuously until the lower surface of the spanner blank is in contact with the V-shaped block 4, through the continuous rotation of screw rod 9 for the slider 7 is continuously exerted effort downwards, makes spring 8 produce elastic deformation, and W shape briquetting 11 is through spring 8's elastic force, is exerted this effort on the spanner blank all the time, thereby make the spanner blank can be given firmly the centre gripping by V-arrangement face between V-arrangement piece 4 and the fixing base 10, through the worm gear mechanism of setting, make screw rod 9 have the self-locking ability of certain degree, still can firmly lock the spanner blank through spring 8's effort after motor 14 stops rotating, avoided the spanner blank to be unqualified because of the quality that can not obtain diversified accurate continuous centre gripping and lead to.

Working principle: when the device is used, the spanner blank to be subjected to preliminary forging is placed between the two positioning pins 16, the two positioning pins 16 are used for enabling the head clamp of the spanner blank to be in contact with the two positioning pins 16, so that the transverse position of the spanner blank is approximately limited, then the motor 14 is started, the worm sleeve 15 is driven to rotate through the rotation of the output shaft of the motor 14, when the worm sleeve 15 rotates, the worm sleeve 15 is meshed with the worm wheel 12, the teeth on the worm sleeve 15 can apply a force far away from the motor direction to tooth grooves on the surface of the worm wheel 12 to drive the worm wheel 12 to rotate, the worm wheel 12 drives the screw 9 on the worm wheel 12 to rotate simultaneously, the screw 9 is connected with the screw threads of the sliding plate 7 through the screw 9, the screw threads on the screw 9 apply a downward acting force to the sliding plate 7 when the screw 9 rotates, the screw threads on the screw 7 are driven to move downwards along the axial directions of the two second optical axes 5, the sliding plate 7 drives the two second optical axes 5 to move downwards simultaneously through the second optical axis fixing plate 6 on the spring 8 when moving downwards, the two second optical axes 5 move downwards simultaneously through the two fixing seats 10, the W-shaped pressing block 11 is driven to move downwards simultaneously until the lower surface of the W-shaped pressing block 11 moves downwards to be in contact with the upper surface of the spanner blank, then downward acting force is continuously applied to the spanner blank, the spanner blank drives the two cushion blocks 3 to move downwards in the axial direction of the optical axis 2, the ground of the spanner blank is always attached to the upper surface of the cushion block 3 in the process through the second spring 18, the horizontal direction of the spanner blank is limited to a certain extent, the angular offset generated by rotation of the spanner blank is avoided, the W-shaped pressing block 11 moves downwards continuously until the lower surface of the spanner blank is in contact with the V-shaped block 4, through the continuous rotation of the screw rod 9, the sliding plate 7 continuously applies a force downwards, the spring 8 generates elastic deformation, and the W-shaped pressing block 11 always applies the force on the spanner blank through the elastic force of the spring 8, so that the spanner blank can be firmly clamped by the V-shaped surface between the V-shaped block 4 and the fixed seat 10.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick positioner, includes table surface (1), its characterized in that: the utility model discloses a table surface, including table surface (1), upper surface fixedly connected with V-arrangement piece (4), the upper surface fixedly connected with of V-arrangement piece (4) two locating pins (16), the both sides of V-arrangement piece (4) all are provided with cushion (3), the lower surface of cushion (3) all fixedly connected with two optical axes (2), the lower surface of table surface (1) is all extended to optical axis (2), optical axis (2) and table surface (1) sliding connection, the equal fixedly connected with optical axis fixed plate (17) of lower extreme of two corresponding optical axes (2), the surface of optical axis (2) all overlaps and is equipped with second spring (18).

2. A quick positioning device as set forth in claim 1, wherein: the second spring (18) is located between the cushion block (3) and the workbench surface (1), a W-shaped pressing block (11) is arranged above the workbench surface (1), two sides of the W-shaped pressing block (11) are fixedly connected with fixing seats (10), and second optical axes (5) are fixedly sleeved on the inner surfaces of the fixing seats (10).

3. A quick positioning device as claimed in claim 2, wherein: the second optical axes (5) extend out of the lower surface of the workbench surface (1), the V-shaped block (4) is positioned between the two second optical axes (5), and the lower ends of the two second optical axes (5) are fixedly connected with a second optical axis fixing plate (6).

4. A quick positioning device as claimed in claim 2, wherein: the outer surface sliding sleeves of the two second optical axes (5) are provided with sliding plates (7), the outer surfaces of the two second optical axes (5) are sleeved with springs (8), the springs (8) are located between the sliding plates (7) and the second optical axis fixing plates (6), the lower surface of the workbench surface (1) is fixedly connected with supporting frames (19), and bottom plates (13) are fixedly connected in the supporting frames (19).

5. A quick positioning device as set forth in claim 4, wherein: the sliding plate (7) and the bottom plate (13) are rotationally connected with a screw rod (9), the screw rod (9) rotates to penetrate through the outer surface of the second optical axis fixing plate (6), a worm wheel (12) is fixedly sleeved at the lower end of the screw rod (9), a motor (14) is fixedly connected to the upper surface of the bottom plate (13), a worm sleeve (15) is fixedly sleeved on the outer surface of an output shaft of the motor (14), and the worm sleeve (15) is meshed with the worm wheel (12).