CN201078450Y

CN201078450Y - Screw mandrel bearing, drive, folding mechanism

Info

Publication number: CN201078450Y
Application number: CNU2007200390652U
Authority: CN
Inventors: 杨国社
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-01
Filing date: 2007-07-01
Publication date: 2008-06-25
Anticipated expiration: 2017-07-01

Abstract

The utility model discloses a screw rod support, transmission and switching mechanism, which comprises a frame, a screw rod, a motor and an upper slide seat; wherein, the frame is in sliding fit with the slide seat. The utility model is characterized in that: a low side seat is fastened under the upper slide seat, and a fixing seat, which is composed of an upper seat and a lower seat, is installed in the uprightly arranged lower slide seat. The upper and lower seats slip up and down along a flute on the lower slide seat. Semicircular flutes are respectively mounted on the opposite faces of the upper and the lower seats; wherein, a screw thread is arranged in the semicircular flute on the upper seat. A screw rod is positioned between the upper and lower seats and is meshed with a semicircular nut. A shaft seat and a shaft are mounted at the bottom of the upper slide seat. An end of the shaft is rotationally inserted into the shaft seat, and a regulating lever, the lower end and upper end of which are respectively connected with the other end of the shaft and a positioning shaft, is arranged between the other end of the shaft and the slide seat. A shoe, the both ends of which are movably matched with the shaft and the upper seat respectively, is positioned between the shaft and the upper seat. With relatively simple structure, few failure and convenient operation, the mechanism is applicable to be used in a machine tool and the relevant facilities.

Description

The screw mandrel holder is held, transmission, open-and-close mechanism

Technical field

The utility model relates to that a kind of holder to screw mandrel is held, driving mechanism.Specifically stating is that the screw mandrel function is held in existing holder, has the screw mandrel holder of transmission, folding function to hold again, transmission, open-and-close mechanism, is applicable on lathe and the relevant device.

Background technique

At present, at machine industry, be used for screw mandrel held in the palm hold, the mechanism of transmission, its holder is held, transmission and nut folding all are separate separately cover mechanisms.Though adopt this mechanism can realize that holder is held, transmission and nut folding, because three covers are inter-agency separate, not only the structure more complicated unavoidably the phase mutual interference can take place in the operating process, breaking down easily, it is cumbersome to use.

The model utility content

Problem to be solved in the utility model provides that a kind of holder to screw mandrel is held, transmission, open-and-close mechanism.This mechanism, relatively simple for structure, be difficult for breaking down, be convenient to operation.

For addressing the above problem, the utility model is taked following technological scheme:

Screw mandrel holder of the present utility model is held, transmission, open-and-close mechanism contain organic frame, screw mandrel, motor and upper saddle, and two slide rails that are parallel to each other are arranged at the top of frame.On the lower surface of upper saddle bottom two chutes that are parallel to each other are arranged, this two chute is corresponding with two slide rails on the frame, and two chutes on the upper saddle are buckled on two slide rails on the frame accordingly and the two is and is slidingly matched.One end of screw mandrel is connected mutually with motor output shaft.Be characterized in that lower slider and fixed base are arranged under the upper saddle.Lower slider wherein is the groove shape, and it is to erect arranges that its upper end is fixed on the upper saddle lower surface of a chute inboard, and its other end is fixed with supporting plate, flanging in its notch two vertical edges are all oriented.Said fixed base contains the seat of honour and following, and upper and lower cross section, same one side is the T font and places in the groove of lower slider, and can be along the upper and lower slip of the groove on the lower slider; Stretch out on that part of upper and lower the opposing side outside groove semi-circular recesses is arranged respectively.The semi-circular recesses at the seat of honour is useful on the screw thread that forms semicircle nut in that.Screw mandrel places between the upper and lower seat, and meshes with the semicircular parent phase; In the upper saddle bottom away from that chute inboard of lower slider axle bed and axle are arranged, axle bed is fixed on the bottom of upper saddle.Axle parallels with chute below the upper saddle, and the one end is in the rotatable shape insertion axle bed, between the other end and slide adjustable lever is arranged; The lower end of this adjustable lever is connected mutually with the other end of axle, and there is axis hole its upper end, is furnished with positioning shaft in the axis hole.With on the corresponding upper saddle outer side wall of positioning shaft spacing hole is arranged, the inner end of positioning shaft is loosening shape and stretches in this spacing hole.Between the axle and the seat of honour shifting block is arranged, the shifting block two ends have axis hole and waist shaped hole respectively, and its end that has axis hole is enclosed within on the axle, and its other end is flexible shape by pin and is hinged on the end face at the seat of honour.

Take such scheme, have the following advantages:

Because screw mandrel holder of the present utility model holds, transmission, open-and-close mechanism, and lower slider and fixed base are arranged under the slide thereon.Lower slider wherein is the groove shape, and it is to erect arranges that its upper end is fixed on the upper saddle lower surface of a chute inboard, and its other end is fixed with supporting plate, flanging in its notch two vertical edges are all oriented.Said fixed base contains the seat of honour and following, and upper and lower cross section, same one side is the T font and places in the groove of lower slider, and can be along the upper and lower slip of the groove on the lower slider.Stretch out on that part of upper and lower the opposing side outside groove semi-circular recesses is arranged respectively.The semi-circular recesses at the seat of honour is useful on the screw thread that forms semicircle nut in that.In the upper saddle bottom away from that chute inboard of lower slider axle bed and axle are arranged, axle bed is fixed on the bottom of upper saddle.Axle parallels with chute below the upper saddle, and the one end is in the rotatable shape insertion axle bed, between the other end and slide adjustable lever is arranged.The lower end of this adjustable lever is connected mutually with the other end of axle, and there is axis hole its upper end, is furnished with positioning shaft in the axis hole.With on the corresponding upper saddle outer side wall of positioning shaft spacing hole is arranged, the inner end of positioning shaft is loosening shape and stretches in this spacing hole.Between the axle and the seat of honour shifting block is arranged, the shifting block two ends have axis hole and waist shaped hole respectively, and its end that has axis hole is enclosed within on the axle, and its other end is flexible shape by pin and is hinged on the end face at the seat of honour.Make transmission, the holder of screw mandrel hold with three kinds of mechanisms of half nuts and organically combine, not only relatively simple for structure, also avoided phase mutual interference in the operating process to close the generation of fault, it is more convenient to operate.

Description of drawings

Fig. 1 is that screw mandrel holder of the present utility model is held, transmission, open-and-close mechanism schematic representation;

Fig. 2 is that the expansion schematic representation is looked on a left side that does not contain Fig. 1 of frame;

Fig. 3 is that schematic representation is looked on the right side that does not contain Fig. 1 of frame.

Embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, screw mandrel holder of the present utility model is held, transmission, open-and-close mechanism, contains organic frame 1, screw mandrel 18, motor 19 and upper saddle 5, and the top of frame 1 is processed with two slide rails that are parallel to each other 4.Be processed with two chutes that are parallel to each other on the lower surface of upper saddle 5 bottoms, this two chute is corresponding with two slide rails 4 on the frame 1, and two chutes on the upper saddle 5 are buckled on two slide rails 4 on the frame 1 accordingly and the two is and is slidingly matched.Be provided with lower slider 2 and fixed base under the upper saddle 5, lower slider 2 wherein is a cuboid, and it is to erect arranges, is processed with groove on its one side.This groove is a rectangular, its around chimb all arranged, its upper end is fixed between two chutes of upper saddle 5 lower surfaces by screw 3 on, the chimb of its notch two vertical edges all is processed with inside flanging.Said inside flanging can time processing forms, and also can be stationary platen bar 6 and forming on two vertical edges of notch.Said fixed base contains the seat of honour 14 and following 16, and the seat of honour 14, following 16 cross section, same one side are that the top of T font and T font places in the groove of lower slider 2, and can be along the upper and lower slip of the groove on the lower slider 2.Stretch out on that part of seat of honour 14 outside groove, following 16 the opposing side and be processed with semi-circular recesses respectively.Be useful on the screw thread that forms semicircle nut 15 in the semi-circular recesses at the seat of honour 14.Said screw mandrel 18 is between the seat of honour 14 and following 16, and is meshed with semicircle nut 15, and the one end is connected mutually with the output shaft of motor 19.Said semicircle nut 15 can be at the seat of honour 14 the inboard directly processing of semi-circular recesses and forming, also can adopt at the seat of honour 14 the semicircle nut 15 of semi-circular recesses internal fixation and form.In following 16 semi-circular recesses, also be fixed with the semicircle holder cover 17 that is used to hold screw mandrel 18.Be provided with axle bed 12 and axle 13 in upper saddle 5 bottoms away from that chute inboard of lower slider 2, axle bed 12 wherein is fixed on the bottom of upper saddle 5.Axle 13 parallels with chute below the upper saddle 5, and the one end is in the rotatable shape

insertion axle bed

12, and 5 of the other end and upper saddles are provided with adjustable lever 11.The lower end of this adjustable lever is connected mutually with the other end of axle 13, and its upper end is processed with axis hole, is furnished with positioning shaft 9 in the axis hole.Be processed with two spacing holes 10 on positioning shaft 9 corresponding upper saddle 5 outer side walls, it is on the same circular arc in the center of circle that this two spacing hole is in axle 13.The inner end of positioning shaft 9 is loosening shape and stretches in the spacing hole 10.The

axle

13 and 14 at the seat of honour are provided with shifting block 8, and these shifting block two ends are processed with axis hole and waist shaped hole respectively, and its end that has axis hole is enclosed within on the axle 13, and its other end is flexible shape by pin 7 and is hinged on the end face at the seat of honour 14.

Leave spacing between the sidewall of adjustable lever 11 and upper saddle 5, be with spring 20 on the positioning shaft 9 in this spacing, the inner end of spring 20 is fixed on the positioning shaft 9, and its outer end and adjustable lever 11 offset.The handle of being convenient to hold 21 also is installed on the outer end of adjustable lever 11.

Said axle bed 12 has two, and an axle end of 13 is rotatable shape and inserts in two axle beds 12 and the one end extends and be connected mutually with adjustable lever 11 lower ends.

Claims

The screw mandrel holder hold, transmission, open-and-close mechanism, comprise frame (1), screw mandrel (18), motor (19) and upper saddle (5), two slide rails that are parallel to each other (4) are arranged at the top of frame (1); On the lower surface of upper saddle (5) bottom two chutes that are parallel to each other are arranged, this two chute is corresponding with two slide rails (4) on the frame (1), and two chutes on the upper saddle (5) are buckled in accordingly that two slide rails (4) on the frame (1) are gone up and the two is and is slidingly matched; One end of screw mandrel (18) is connected mutually with motor (19) output shaft; It is characterized in that lower slider (2) and fixed base are arranged under the upper saddle (5); Lower slider wherein (2) is the groove shape, and it is to erect arranges that its upper end is fixed on upper saddle (5) lower surface of a chute inboard, and its other end is fixed with supporting plate, flanging in its notch two vertical edges are all oriented; Said fixed base contains the seat of honour (14) and following (16), and the cross section, same one side of the seat of honour (14) and following (16) is the T font and places in the groove of lower slider (2), and can slide up and down along the groove on the lower slider (2); Stretch out on the opposing side of that part of seat of honour (14) outside groove and following (16) semi-circular recesses is arranged respectively; The semi-circular recesses at the seat of honour (14) is useful on the screw thread that forms semicircle nut (15) in that; Screw mandrel (18) places between the seat of honour (14) and following (16), and is meshed with semicircle nut (15); In upper saddle (5) bottom away from that chute inboard of lower slider (2) axle bed (12) and spool (13) are arranged, axle bed (12) is fixed on the bottom of upper saddle (5); Chute below axle (13) and the upper saddle (5) parallels, and the one end is in the rotatable shape insertion axle bed (12), and adjustable lever (11) is arranged between the other end and upper saddle (5); The lower end of this adjustable lever is connected mutually with the other end of axle (13), and there is axis hole its upper end, is furnished with positioning shaft (9) in the axis hole; On upper saddle (5) outer side wall spacing hole is arranged accordingly with positioning shaft (9), the inner end of positioning shaft (9) is loosening shape and stretches in this spacing hole; Between axle (13) and the seat of honour (14) shifting block (8) is arranged, shifting block (8) two ends have axis hole and waist shaped hole respectively, and its end that has axis hole is enclosed within on the axle (13), and its other end is flexible shape by pin (7) and is hinged on the end face at the seat of honour (14).
2. screw mandrel holder according to claim 1 is held, transmission, open-and-close mechanism, it is characterized in that between the sidewall of adjustable lever (11) and upper saddle (5) spacing being arranged, be with spring (20) on the positioning shaft (9) in this spacing, the inner end of spring (20) is fixed on the positioning shaft (9), and its outer end and adjustable lever (11) offset.
3. screw mandrel holder according to claim 1 is held, transmission, open-and-close mechanism, it is characterized in that said axle bed (12) has two, an end of said axle (13) is rotatable shape and inserts in two axle beds (12) and the one end extends and be connected mutually with adjustable lever (11) lower end.
4. screw mandrel holder according to claim 1 is held, transmission, open-and-close mechanism, and two the inside flangings of notch that it is characterized in that lower slider (2) are to fix vertical pressing article (6) and constitute on two vertical edges of notch.
5. screw mandrel holder according to claim 1 is held, transmission, open-and-close mechanism, it is characterized in that the screw thread in the semi-circular recesses at the seat of honour (14) is to form at the semicircle nut (15) of semi-circular recesses internal fixation.
6. screw mandrel holder according to claim 1 is held, transmission, open-and-close mechanism, it is characterized in that the semi-circular recesses internal fixation of following (16) has semicircle holder cover (17).
According to arbitrary claim in the claim 1～6 described screw mandrel holder hold, transmission, open-and-close mechanism, it is characterized in that on the outer end of adjustable lever (11) handle of being convenient to hold (21) being installed also.