CN201076921Y - Handling fixture - Google Patents

Abstract

The utility model relates to a hardware machining tool, in particular to a mounting fixture, comprising a body, a clamping mechanism and an axial fixed mechanism. The utility model is characterized in that, the clamping mechanism is used to clamp a column with flat handle; the axial fixed mechanism is used to fix the axial movement of the clamping mechanism; the clamping mechanism comprises a sleeve, a retaining sleeve, a pin, a press piece, a torsion spring and a screw; the retaining sleeve is fixed at the central part of the body by the screw; the sleeve is sleeved on the external circle of the terminal of the body; the torsion spring is arranged between the sleeve and the retaining sleeve; the press piece is fixed on the groove of the body by the pin; a bayonet is arranged at the groove of the inner hole of the sleeve; the bayonet comprises an eccentric circular arc and a line from the eccentric circular arc to the inner hole; the axial fixed mechanism comprises a first snap spring, a second snap spring and a washer; the first snap spring is arranged between the body and the retaining sleeve; the second snap spring is arranged at the rear part of the body; the washer is arranged between the second snap spring and the body. The utility model has the advantages of simple structure and good application effect; the torque force of the torsion spring is used to clamp tools; the eccentric circular arc of the groove of the inner hole of the sleeve has the function of no loosening when the press piece is pressed tightly or under stress.

Description

Loading and unloading clamp

Technical field:

The utility model relates to a kind of five metals machining tool, loads and unloads the accessory of cutter in especially a kind of machining fast, is primarily aimed at cylinder and scabbles the fixing of handle.

Background technology:

On the market a kind of professional drill bit is arranged now, its clamping handle is that cylinder and cylindrical have the plane, and this face is the face that is fixed of drill bit.In use be to use screw-driving, promptly aim at the cylindrical plan-position and tighten screw.Tend to like this produce handling speed slow, need instrument, often wanting bit change or the just incompatible use of processing out of doors.Some anchor clamps that can load and unload fast such as China Patent No. ZL200520101894.X are also arranged on the market; The open date is on July 12nd, 2006.China Patent No. ZL200520102493.6, the open date is the patent on September 20th, 2006, but all there is unreasonable structure in they, damage easily, only limit to very little specification during use.

Summary of the invention:

Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and provides a kind of clamp cylinders surface that is used for to have the cylinder on plane to scabble the loading and unloading clamp of handle.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this loading and unloading clamp, it is characterized in that being provided with main body, clamp mechanism, main body is used for transmission power, clamp mechanism comprises overcoat, fixed cover, round pin, briquetting, torsion spring, screw, and clamp mechanism is used for the clamping that cylinder scabbles handle; Fixed cover is fixed on the centre of main body by screw, overcoat is enclosed within on the body end cylindrical, can rotate around main body, be connected with torsion spring between overcoat and the fixed cover, make the outer torsion that applies that is with clockwise commentaries on classics, briquetting is fixed on the body recess by round pin, briquetting can rotate around round pin, overcoat endoporus groove is provided with a bayonet socket, and this bayonet socket is made of to the straight line of endoporus eccentric arc and eccentric arc, the most advanced and sophisticated stressing main cylindrical of briquetting, and the outer briquetting tip of stressing main is positioned at the groove of overcoat, also just form the torsion of answering torsion spring to produce and be passed on the briquetting, make the power of the most advanced and sophisticated oriented main center of briquetting, just produce a kind of clamping force by overcoat.The torsion that overcomes torsion spring when external force makes overcoat to anticlockwise, runs into briquetting when most advanced and sophisticated when the rectilinear end on the overcoat bayonet socket, just can drive briquetting and rotate around round pin, scabbles handle when rotating to the cylinder that certain angle just can unclamp clamping.

The utility model also can be provided with axial restraint mechanism, axial restraint mechanism comprises first jump ring, second jump ring and pad, first jump ring is arranged between main body and the fixed cover, second jump ring is arranged on back body, pad is arranged between second jump ring and the main body, and axial restraint mechanism is used for fixing moving axially of overcoat, round pin, fixed cover.

The utility model briquetting is fixed in the body recess by round pin; Form anchor clamps when clamping, by briquetting wherein the stress point of an end on main body.

The utility model is simple in structure, result of use good, and the torsion that torsion spring produced is used for clamping tool, and the eccentric arc on the overcoat endoporus groove plays briquetting and compresses the effect that does not come loose when stressed.

Description of drawings:

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the schematic diagram under the utility model embodiment briquetting clamped condition.

Fig. 3 is the schematic diagram under the utility model embodiment briquetting releasing orientation.

The specific embodiment:

Referring to Fig. 1～Fig. 3, the utility model embodiment loading and unloading clamp is provided with main body 1, clamp mechanism, axial restraint mechanism, main body 1 is used for transmission power, main body 1 end is provided with body recess 12 and holddown groove 13, clamp mechanism comprises overcoat 5, fixed cover 3, round pin 7, briquetting 6, torsion spring 4, screw 10, clamp mechanism is used for scabbling with cylinder the clamping of the instrument (present embodiment scabbles the handle drill bit for cylinder) of handle, axial restraint mechanism comprises first jump ring 2, second jump ring 8 and pad 9, axial restraint mechanism is used for fixing overcoat 5, round pin 7, moving axially of fixed cover 3, cylinder scabbles the handle drill bit and places on the holddown groove 13, fixed cover 3 is fixed on the centre of main body 1 by screw 10, overcoat 5 is enclosed within on the main body 1 end cylindrical, can rotate around main body 1, be connected with torsion spring 4 between overcoat 5 and the fixed cover 3, make overcoat 5 that the torsion that applies of clockwise commentaries on classics be arranged, briquetting 6 is fixed on the body recess 12 by round pin 7, briquetting 6 can rotate around round pin 7, briquetting 6 most advanced and sophisticated stressing main 1 cylindricals, and stressing main 1 outer briquetting 6 tips are positioned at overcoat endoporus groove 14, overcoat endoporus groove 14 is provided with bayonet socket 11, the cross section of overcoat endoporus groove 14 is made of with the straight line that is connected eccentric arc eccentric arc, overcoat 5, torsion spring 4 and briquetting 6 constitute hold down gag, also just forming the torsion that is produced by torsion spring 4 is passed on the briquetting 6 by overcoat 5, make the power of briquetting 6 most advanced and sophisticated oriented holddown grooves 13, just produce a kind of clamping force, this clamping force is used for cylinder is scabbled on the holddown groove 13 that the handle drill bit is fixed on main body 1.Fig. 2 has shown that briquetting 6 is in the schematic diagram of clamped condition.The torsion that overcomes torsion spring 4 when external force makes overcoat 5 to anticlockwise, when the rectilinear end on the bayonet socket 11 on the overcoat endoporus groove 14 is run into briquetting 6 tips, just can drive briquetting 6 around round pin 7 rotations, scabble the handle drill bit when rotating to the cylinder that certain angle just can unclamp clamping, Fig. 3 has shown that briquetting 6 is in the schematic diagram of releasing orientation.Torsion that torsion spring 4 produces and the design of the off-centre of overcoat 5 endoporus groove circular arcs can be played briquetting 6 and compress the effect that does not come loose when stressed.

Embodiment 1:

When overcoat 5 is subjected to the active force of torsion spring 4 to right rotation, and the effect of the eccentric arc by overcoat endoporus groove 14 presses down presses piece 6, briquetting 6 is turned right around round pin 7, come clamp cylinders to scabble the handle drill bit with the method, and the power that briquetting 6 suffered power is passed on the overcoat 5 by lever principle reduce; By the eccentric arc on the overcoat endoporus groove 14 eccentric effect is arranged again, briquetting 6 can not be turned left, can only be to the right, unless unclamp the briquetting 6 that is clamped when turning left by external force.

Embodiment 2:

Opposite with the direction of rotation of such scheme, promptly torsion spring 4 the torsion direction opposite, the torsion that applies that overcoat 5 is had turn left.This moment overcoat endoporus groove 14 the eccentric arc and the position opposite of straight line, corresponding adjustment gets final product round pin 7 in the position of body recess 12, finally make overcoat 5 that left torsion is arranged, just overcoat 5 is to clamp briquetting 6 when anticlockwise, thereby final clamp cylinders is scabbled the handle drill bit, and external force is unclamped the briquetting 6 that is clamped when turning right.

The overcoat endoporus groove 14 of the utility model embodiment also can be circular arc, and is processed into similar curved surface, as involute, and spiral of Archimedes etc.; For guaranteeing the intensity of these anchor clamps, the controllable size of round pin 7 is built in 3-7mm; If the cooling when using cutter in needing of these anchor clamps also can be carried out interior cooling by the hole on the anchor clamps.The simple deformation or the combination of every the utility model embodiment technical scheme and technical characterictic all should be thought to fall into protection domain of the present utility model.

Claims (2)

1. loading and unloading clamp, it is characterized in that: be provided with main body, clamp mechanism, clamp mechanism comprises overcoat, fixed cover, round pin, briquetting, torsion spring, screw, fixed cover is fixed on the centre of main body by screw, overcoat is enclosed within on the body end cylindrical, is provided with torsion spring between overcoat and the fixed cover, and briquetting is fixed on the body recess by round pin, overcoat endoporus groove is provided with a bayonet socket, and this bayonet socket is made of to the straight line of endoporus eccentric arc and eccentric arc.

2. loading and unloading clamp according to claim 1, it is characterized in that: also be provided with axial restraint mechanism, axial restraint mechanism comprises first jump ring, second jump ring and pad, first jump ring is arranged between main body and the fixed cover, second jump ring is arranged on back body, and pad is arranged between second jump ring and the main body.

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