CN221019865U

CN221019865U - Auxiliary support for machining slender shaft

Info

Publication number: CN221019865U
Application number: CN202322679494.8U
Authority: CN
Inventors: 胡胜; 黄大阳; 张冬根; 黄文智; 龚良生; 罗志勇; 文绵群
Original assignee: Jiangxi Sunlead Precision Industry Co ltd
Current assignee: Jiangxi Sunlead Precision Industry Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-28
Anticipated expiration: 2033-10-08

Abstract

The utility model relates to the technical field of shaft machining clamps, in particular to an auxiliary bracket for machining an slender shaft, which comprises a base, wherein the top of the base is connected with a bracket through symmetrically arranged supporting plates, the inner wall of the bracket is fixedly connected with a circular fixing plate, the fixing plate is connected with clamping rods distributed circumferentially through a clamping mechanism, and a slender shaft workpiece is arranged in the bracket. When the device is used, the adjusting handle is rotated, the adjusting handle drives the first bevel gear to rotate through the adjusting rod, the first bevel gear drives the clamping screws to rotate through the second bevel gears, the clamping screws drive the clamping rods to move towards the thin shaft through the moving plate, the clamping rods clamp and fix the thin shaft through the rubber pad, and the thin shaft is convenient to machine after being fixed.

Description

Auxiliary support for machining slender shaft

Technical Field

The utility model relates to the technical field of shaft machining clamps, in particular to an auxiliary bracket for machining an slender shaft.

Background

The milling machine is used for clamping shorter workpieces by a one-clamping-one-pressing method, vibration is light in machining, machining quality is good, however, when the slender shaft type workpieces are machined, radial shaking of the workpieces is easily caused in machining due to the fact that rigidity is poor, cutting force is large, cutting area is large and the like, and the problems that machined apertures are large, grooves are inclined and deviate from the center of the workpieces, and the machined surfaces are provided with chatter marks and the like are solved.

Through retrieving, the patent document with the application number of CN201820422171.7 discloses an auxiliary clamp for processing an slender shaft of a machine tool, which comprises a base, a supporting plate, a bracket and a locking device, wherein the supporting plate is symmetrically fixed on the upper surface of the base, and the bracket is welded at the upper end of the supporting plate.

In the prior art, although the screw is screwed and is made to prop against the workpiece, the screw is fixed by screwing the locking handle, and the workpiece is correspondingly positioned and clamped at the moment, so that milling processing can be performed, the clamping is reliable, meanwhile, as the cantilever of the workpiece is greatly reduced, the shake of the workpiece during processing is effectively reduced, when the thin shaft workpiece is fixed, three screws are required to be screwed respectively, and then the three locking handles are screwed respectively, so that the screwing and fixing steps are more and more complicated, and therefore, an auxiliary bracket for slender shaft machining is now provided.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides an auxiliary bracket for machining an slender shaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides an auxiliary stand of slender axles machining, includes the base, the top of base is connected with the support through the backup pad that the symmetry set up, the inner wall fixedly connected with of support is circular shape fixed plate, the fixed plate is connected with the clamping lever that is circumference distribution through fixture, the inside of support is provided with thin axle work piece.

Preferably, the bottom of the supporting plate is fixedly connected with the top of the base, and the top of the supporting plate is fixedly connected with the outer wall of the bracket.

Preferably, the fixture includes regulation pole, first bevel gear and the second bevel gear, movable plate, the clamping screw that are circumference distribution, the inside of fixed plate is provided with the cavity, the drive slot has been seted up to one side that the cavity is close to the thin axle work piece, it runs through the fixed plate to adjust the pole rotation, is located the fixed plate is outside adjust pole one end fixedly connected with regulation handle, be located the cavity is inside adjust pole outer wall fixedly connected with limiting plate that offsets with the cavity inner wall, be located the cavity is inside adjust pole outer wall and first bevel gear fixed connection, be located the drive slot is inside clamping screw one end and second bevel gear fixed connection, first bevel gear and second bevel gear meshing.

Preferably, the fixed plate is kept away from one side of adjusting handle and is offered and is circumference distribution and with the inside removal mouth that link up of cavity, the movable plate slides with the inner wall that moves the mouth, offer on the movable plate with clamping screw threaded connection's screw hole, clamping screw rotates with the fixed plate to be connected, one side that the movable plate is close to the thin axle work piece and clamping lever fixed connection, one side that the clamping lever is close to the thin axle work piece is the arc setting, one side fixedly connected with that the clamping lever is close to the thin axle work piece is the rubber pad of arc form.

Preferably, the top of base has been seted up and has been the evenly distributed's mounting hole, the inner wall cover of mounting hole is equipped with the bolt, threaded connection has the nut on the bolt.

Preferably, a collection box for collecting machining chips is arranged on the top of the base.

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

When the device is used, the clamping mechanism is utilized, the three clamping plates can be close to the thin shaft workpiece only by rotating the adjusting rod, the thin shaft workpiece is clamped and fixed, the three screws and the locking handle are not required to be screwed respectively, and the screwing and fixing steps are few and are simple and convenient.

Drawings

FIG. 1 is a schematic view of a right side perspective of an auxiliary bracket for machining an elongated shaft according to the present utility model;

FIG. 2 is a schematic view of a left side perspective of an auxiliary bracket for machining an elongated shaft according to the present utility model;

FIG. 3 is a schematic cross-sectional perspective view of an auxiliary bracket for machining an elongated shaft according to the present utility model;

Fig. 4 is a schematic partial perspective view of an auxiliary bracket for machining an elongated shaft according to the present utility model.

In the figure: 1 base, 2 backup pad, 3 support, 4 fixed plates, 5 clamping rods, 6 thin shaft work pieces, 7 regulation pole, 8 first bevel gears, 9 second bevel gears, 10 movable plates, 11 clamping screw rods, 12 cavities, 13 driving grooves, 14 regulation handles, 15 limiting plates, 16 movable ports and 17 rubber pads.

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. 1-4, an auxiliary bracket for machining an slender shaft comprises a base 1, wherein a support 3 is connected to the top of the base 1 through symmetrically arranged support plates 2, a circular fixing plate 4 is fixedly connected to the inner wall of the support 3, clamping rods 5 distributed circumferentially are connected to the fixing plate 4 through a clamping mechanism, and slender shaft workpieces 6 are arranged inside the support 3.

Further, the bottom of backup pad 2 and the top fixed connection of base 1, the top of backup pad 2 and the outer wall fixed connection of support 3.

Further, the clamping mechanism comprises an adjusting rod 7, a first bevel gear 8, a second bevel gear 9, a moving plate 10 and a clamping screw 11 which are circumferentially distributed, a cavity 12 is formed in the fixing plate 4, a driving groove 13 is formed in one side, close to the thin shaft workpiece 6, of the cavity 12, the adjusting rod 7 penetrates through the fixing plate 4 in a rotating mode, an adjusting handle 14 is fixedly connected to one end of the adjusting rod 7 located outside the fixing plate 4, a limiting plate 15 propped against the inner wall of the cavity 12 is fixedly connected to the outer wall of the adjusting rod 7 located inside the cavity 12, the outer wall of the adjusting rod 7 located inside the cavity 12 is fixedly connected with the first bevel gear 8, one end of the clamping screw 11 located inside the driving groove 13 is fixedly connected with the second bevel gear 9, and the first bevel gear 8 is meshed with the second bevel gear 9;

The position of the adjusting rod 7 can be limited through the limiting plate 15, so that the adjusting rod 7 can be ensured to rotate stably; simultaneously, through the engagement of the first bevel gears 8 and the plurality of second bevel gears 9, the plurality of clamping rods 5 can be simultaneously driven to move through the rotation of the adjusting rods 7.

Further, a moving opening 16 which is circumferentially distributed and communicated with the inside of the cavity 12 is formed in one side of the fixed plate 4 away from the adjusting handle 14, the moving plate 10 slides with the inner wall of the moving opening 16, a threaded hole which is in threaded connection with the clamping screw 11 is formed in the moving plate 10, the clamping screw 11 is rotationally connected with the fixed plate 4, one side of the moving plate 10, which is close to the thin shaft workpiece 6, is fixedly connected with the clamping rod 5, one side of the clamping rod 5, which is close to the thin shaft workpiece 6, is in an arc shape, and a rubber pad 17 which is in an arc shape is fixedly connected with one side of the clamping rod 5, which is close to the thin shaft workpiece 6;

Wherein, the arc-shaped clamping rod 5 can be attached to the outer wall of the thin shaft, and then the arc-shaped rubber pad 17 is elastic, so that the thin shaft part can be protected; meanwhile, the moving plate 10 is rectangular, and stable movement of the clamping rod 5 can be ensured by sliding the moving plate 10 and the inner wall of the moving opening 16.

Further, the top of the base 1 is provided with uniformly distributed mounting holes, the inner wall of each mounting hole is sleeved with a bolt, and nuts are connected to the bolts in a threaded manner;

Wherein, set up the fixed orifices with the bolt adaptation on the milling machine workstation, pass fixed orifices and mounting hole through the bolt, screw up the nut at last, can install base 1 on the milling machine workstation.

Further, a collection box for collecting machining chips is arranged at the top of the base 1;

Wherein, through collecting the box, can collect the partial piece in the course of working, also can pour the piece that the collection was cleaned to the part into the inside of collecting the box and collect concentratedly.

The working principle of the utility model is as follows:

mounting the base 1 on a workbench of a milling machine through bolts and nuts, and then placing the thin shaft workpiece 6 in the bracket 3; at this time, the adjusting handle 14 is rotated, the adjusting handle 14 drives the first bevel gear 8 to rotate through the adjusting rod 7, the first bevel gear 8 drives the clamping screws 11 to rotate through the second bevel gears 9, the clamping screws 11 drive the clamping rods 5 to move towards the thin shaft through the moving plate 10, the clamping rods 5 clamp and fix the thin shaft through the rubber pads 17, and after fixing, the thin shaft is machined by the equipment conveniently.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides an auxiliary stand of slender axles machining, includes base (1), its characterized in that, backup pad (2) that the top of base (1) set up through the symmetry are connected with support (3), the inner wall fixedly connected with of support (3) is circular shape fixed plate (4), fixed plate (4) are connected with through fixture and are clamping lever (5) that the circumference distributes, the inside of support (3) is provided with thin axle work piece (6).

2. An auxiliary support for machining an elongated shaft according to claim 1, characterized in that the bottom of the support plate (2) is fixedly connected with the top of the base (1), and the top of the support plate (2) is fixedly connected with the outer wall of the support (3).

3. The auxiliary bracket for machining of the slender shaft according to claim 1, characterized in that the clamping mechanism comprises an adjusting rod (7), a first bevel gear (8) and a second bevel gear (9), a moving plate (10) and clamping screws (11) which are distributed circumferentially, a cavity (12) is formed in the fixing plate (4), a driving groove (13) is formed in one side, close to the slender shaft workpiece (6), of the cavity (12), the adjusting rod (7) rotates to penetrate through the fixing plate (4), an adjusting handle (14) is fixedly connected to one end of the adjusting rod (7) located outside the fixing plate (4), a limiting plate (15) abutted against the inner wall of the cavity (12) is fixedly connected to the outer wall of the adjusting rod (7) located inside the cavity (12), one end of the clamping screws (11) located inside the driving groove (13) is fixedly connected with the second bevel gear (9), and the first bevel gear (8) is meshed with the second bevel gear (9).

4. An auxiliary support for machining an slender shaft according to claim 3, characterized in that a moving opening (16) which is circumferentially distributed and is communicated with the inside of the cavity (12) is formed in one side of the fixing plate (4) far away from the adjusting handle (14), the moving plate (10) slides with the inner wall of the moving opening (16), a threaded hole which is in threaded connection with the clamping screw (11) is formed in the moving plate (10), the clamping screw (11) is rotationally connected with the fixing plate (4), one side of the moving plate (10) close to the slender shaft workpiece (6) is fixedly connected with the clamping rod (5), one side of the clamping rod (5) close to the slender shaft workpiece (6) is in an arc shape, and a rubber pad (17) which is in an arc shape is fixedly connected with one side of the clamping rod (5) close to the slender shaft workpiece (6).

5. The auxiliary bracket for machining the slender shaft according to claim 1, wherein the top of the base (1) is provided with uniformly distributed mounting holes, the inner wall of each mounting hole is sleeved with a bolt, and nuts are connected to the bolts in a threaded manner.

6. An auxiliary support for the machining of an elongated shaft according to claim 1, characterized in that the top of the base (1) is provided with a collection box for collecting machining chips.