CN86208897U - Multiple specifications screw die twisting handle with a vertical guide - Google Patents

Abstract

The utility model relates to a multiple-specification screw die twisting handle with vertical guide for manually threading, which is provided with a screw die clamping device with width radial adjustment range, and the clamping device is used for clamping screw dies with multiple specifications and different outer diameters. The end parts of eight clamping rods are hinged with each other to form a rhombohedron, and the screw dies are clamped by inner side of the rhombohedron. The utility model can also be composed of the engagement between three racks and a circular disk with a helical tooth groove, and the screw dies are clamped by the centripetal ends of the racks. A set of movable centering claw and centering locker are used for clamping threaded screw bodies, and the axial verticality between the end surfaces of screw die heads and the screw bodies can be ensured when threaded. The phenomena of the uneven shade for screw threads or the erosion for the screw dies because of the deviation of the twisting handle are avoided, the threading quality is ensured, and the steel materials of alloy tools are saved.

Description

Multiple specifications screw die twisting handle with a vertical guide

A kind of many specifications of vertically-guided bolt die strand hand is the aid of using when belonging to manual mantle fiber.

Advanced both at home and abroad at present bolt die strand hand is made up of two handles, overcoat and V-type jaw clamper, because the width of this bolt die strand hand is fixed, therefore a kind of bolt die of specification strand hand can only the identical limited several specification bolt die heads of clamping external diameter.For the bolt die strand hand that makes a kind of specification can be by the bolt die head of dress plurality of specifications, have to be with undersized bolt die expanded outer diameter, to satisfy the requirement of same outer diameter as, for example all to make external diameter be 24mm to the bolt die of M4～M12, so only the external diameter of M12 bolt die is reasonably, and the bolt die of M4～M11 has all been wasted many alloy tool steel materials.Simultaneously, when using this bolt die strand gloves silk, because firmly uneven during manual operations, the strand hand is crooked, and bolt die end face and shank of screw are not perpendicular, cause half of dark, the phenomenon that one side of something is shallow of screw thread, even because of grasping shakiness, bolt die is vacillated now to the left, now to the right, and causes bad tooth phenomenon.

In order to overcome the above-mentioned shortcoming that existing bolt die strand hand exists, bolt die strand hand of the present invention has vertically-guided device and radially adjustable bolt die binding clasp, can guarantee the axially perpendicular of the bolt die end face and the body of screw, can also make the chipping allowance of bolt die even all around, eliminate the crooked and bad tooth phenomenon of strand hand, guarantee diehead threading quality.Can clamp simultaneously the bolt die head of various outer diameter plurality of specifications, save greatly and made the alloy tool steel material that bolt die is used, also can utilize existing bolt die head.

It is that an energy radiai adjustment is arranged that the technology of bolt die strand hand of the present invention constitutes, the bolt die binding clasp of the multiple different size external diameter of clamping bolt die, and design can make the bolt die head need not cater to the requirement of bolt die strand hand like this, and designs the bolt die external diameter by rational requirement.Parallel this binding clasp, means of vertical screws axon to same plane in, be provided with three radially movable centering jaws, be used for clamping the body of screw of mantle fiber, different-diameter according to screw to be processed, regulate its radial position by the stator locking device, the body of screw can allow to slide vertically in centering jaw, and this activity centering jaw is controlled body of screw when mantle fiber, the perpendicularity of screw axon and bolt die end face.

Said bolt die binding clasp 3 is as accompanying drawing 1, shown in 2, can be by the clamping bar 2 of eight equal in length, four is one group, the both ends of every clamping bar in every group respectively with on the same group in the termination hinge joint of two bars in addition, the rhombus of forming two energy activities, between these two rhombuses, on each anchor point, mandrel 11 and chuck 10 Lian Jie And location are arranged,, regulate the shape of two rhombuses that eight bars form by adjustment screw 6 according to the external diameter size of bolt die head, movable roller 13 is control diamond shape, when regulating, movable roller 13 must be along rolling in the cross diagonal slot of rhombus, and the bolt die head is installed in two rhombus inboards parallel to each other, by the alignment pin 5 fixedly shape and the position of rhombus, the bolt die head of fixedly packing into by bolt die dog screw 9.The bolt die binding clasp also can be (as accompanying drawing 4) in same plane evenly by adorning three tooth bars 16, a disk 14 that is harmonious simultaneously with three tooth bars, on disk one transverse plane spirality teeth groove is arranged, the per two circle spacings of its helix match with the rack tooth distance, when this disk during to anticlockwise, three tooth bars entad move, when this disk during to right rotation, three tooth bar centrifugal motions, the entad end of each tooth bar has the step on a vertical tooth rack plane, the width of step is slightly less than the radial thickness of bolt die head, when bolt die head 15 was installed in the middle of three toothed rack, just in time step was held thus, and it is vertical with the body of screw 17 to guarantee that the bolt die head is pressed holding position, with the position of regulating trip bolt fixed disc and tooth bar, clamp the bolt die head.

Accompanying drawing 1: the top view of many specifications of vertically-guided bolt die strand hand during with rhombus bolt die binding clasp.

Accompanying drawing 2: be accompanying drawing 1 partly cut open side view.

Accompanying drawing 3: the A-A profile that is accompanying drawing 1.

Accompanying drawing 4: when being harmonious the bolt die binding clasp of forming with tooth bar and the disk of being with the spirality teeth groove, the body of screw and bolt die, bolt die strand hand etc. pressed the dress schematic diagram when mantle fiber.

Embodiment one: a kind of as accompanying drawing 1, many specifications of vertically-guided bolt die strand hand shown in 2, as top illustrated, can press the round bolt die head of all size size external diameter between dress M4～M30 by a kind of bolt die strand hand of specification, also can twist hand by the bolt die of another kind of specification by the bolt die head of adorning the various reasonable external diameters between M31～M45.This bolt die strand hand can be made by metal material, and the housing 1 in the present embodiment is to be cast by nylon with cover plate 7, and handle 8 is to add plastic sheath by iron to make, and all the other other parts are made by metal, and the round bolt die of existing similar specification also can be by dress.

During operation, hand-screw moves adjustment screw 6, and two V-type pawls of rhombus are opened or dwindle, block clamping the round bolt die head be loaded into, the dog screw 9 of turn opposite side props up a counterbore of bolt die, fixing bolt die, rotate the stator locking device then, three movable centering jaws 4 are amplified or the ability that contracts, up to close screw rod body, can maintain 0.05～0.1 millimeter gap, put into several machinery oil on three pawls, put into oil extracted from rice husks again on bolt die, so that slide and cutting.

Many specifications of vertically-guided bolt die strand hand of the present invention, the scope of application is big, and the vertically-guided performance is good, not only can save a large amount of alloy tool steel materials, can improve mantle fiber speed, guarantees diehead threading quality, and the people that technical merit is not high operates, and also can go out to close the screw thread of specification by mantle fiber.

Claims (4)

1, a kind ofly forms by two handles and overcoat, many specifications of vertically-guided bolt die strand hand by dress bolt die head, it is characterized in that having an energy radiai adjustment, the bolt die binding clasp of the multiple different size external diameter of clamping bolt die, parallel this binding clasp, means of vertical screws axon to same plane in, be provided with three radially movable centering jaws, regulate its radial position by the stator locking device.

2, bolt die strand hand as claimed in claim 1 is characterized in that said bolt die binding clasp is the bar by eight equal in length, and the hinge joint of end end forms the rhombus of two energy activities, and And regulates per four diamond shape that bar is formed by clamping adjustment screw.

3, bolt die strand hand as claimed in claim 1 is characterized in that said bolt die binding clasp is even three tooth bar groups and a disk by dress in same plane, on the end face of this disk the spirality teeth groove is arranged, and is meshed simultaneously with three tooth bars.

4, bolt die as claimed in claim 1 strand hand is characterized in that a kind of bolt die strand hand of specification can be by the bolt die head of dress reasonable external diameter of M4～M30 or existing external diameter, or can be by the bolt die head of the reasonable external diameter of dress M31～M45 by the bolt die strand hand of another kind of specification.

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