CN201030440Y

CN201030440Y - Bar-stock automatic feeding unit

Info

Publication number: CN201030440Y
Application number: CNU2007201099611U
Authority: CN
Inventors: 徐国昌
Original assignee: XU GUOCHANG HE PING
Current assignee: XU GUOCHANG HE PING
Priority date: 2007-05-28
Filing date: 2007-05-28
Publication date: 2008-03-05
Anticipated expiration: 2017-05-28

Abstract

The utility model discloses an automatic feeding unit for bars which comprises a material frame, a bar constrained vibration-damping unit, an auxiliary bar constrained unit, and a feeding mechanism, which are combined and assembled together. The bar constrained vibration-damping unit is a compound structure, and at least two bar constrained vibration-damping units are interval parallel arranged on the upper plane of a bridging beam of the material frame. At least two idler wheels of the bar constrained vibration-damping unit are connected with the relative rocker shafts of a link gear separately via two oscillating arms of the idler wheel with the same length. The centers of the inscribed circles of at least two idler wheels are ensured on the same straight line, and are superposed with the center of the spindle hole of the main frame. The material frame comprises a bearing upright post of which the height is adjustable, an adjustable supporter and a beam which is connected with the bearing upright post and the supporter mutually. The feeding mechanism is of a steel ball type, and is arranged inside the spindle hole of the main frame. The inscribed circle is the outer circle of the constrained bar, thereby the bar is constrained by the circularity distributed idler wheels which are tangent with the bar, and the crash and vibration produced by the rotation to the bar have a buffer. The utility model is compact in structure with a high quality and price ratio, and is applicable to bars which are longer and with bigger diameters.

Description

The rod material automatic feeding device

Technical field

The utility model relates to the automatic turning machining tool, relates in particular to cooperate the work of automatic turning machining tool, and can guarantee that the automatic turning machining tool is automatic, continuous, the rod material automatic feeding device of reliability service.Alleged bar comprises the pipe material.

Background technology

Be used for the rod material automatic feeding device of automatic turning machining tool, can be divided into two classes substantially at present, the first kind is that China institute generally uses, and is simple in structure, mostly is applying unit greatly and designs voluntarily and make.Bar is installed on the lasso constraint on the crossbeam at regular intervals by adapting with its external diameter, and promptly bar is contained within several lassos, and feed mechanism generally adopts gravity type.The scope of application: the bar diameter is not more than 20 millimeters, and length is no more than 3 meters.The bar diameter generally adopts confinement tube during greater than 20 millimeters, and promptly bar is contained within the pipe of certain-length, and this moment, bar length was no more than 2 meters.

There is following shortcoming in such automatic feeding: (1) is because bar is long and existence bending in various degree, to produce big action of centrifugal force during the bar rotation, by constraint lasso or confinement tube, pass to bin, make bin stronger vibration occur, vibrate simultaneously by bar itself and pass to machine tool chief axis, thereby have a strong impact on the machine tool chief axis precision, shortened lathe service life.(2) vibration will shorten cutter life significantly, reduce crudy, when serious working angles can't be carried out.(3) bar vary in diameter, the internal diameter of constraint lasso or confinement tube should be done corresponding change.(4) noise of vibration generation is big, aggravating working environment.Second class is applicable to CNC automatic turning machine, has independently to set up the numerical control unit of writing to each other mutually with the main frame digital control system.Complex structure costs an arm and a leg.The general bar diameter that is suitable for is not more than 25 millimeters, and length is no more than 3 meters.

Summary of the invention

Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of simple and reliable, be applicable to all kinds automatic turning machining tool the rod material automatic feeding device.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the rod material automatic feeding device, comprise combined equipped bin, bar constraint damper unit, auxiliary bar constraint mechanism, feed mechanism, wherein: bar constraint damper unit is a combining structure, at least two bar constraint damper unit spacings plane on the crossbeam that is installed on bin that is arranged in parallel; At least two rollers of bar constraint damper unit are corresponding separately to be connected on the corresponding rocker arm shaft of link gear by an identical roller swing arm of length; The inscribed circle center of at least two rollers should guarantee on same straight line, and overlap with main frame spindle hole center; Bin is coupled to each other by adjustable for height supporting upright post, adjustable support and crossbeam to be formed; Feed mechanism is a ball type, and is installed in the main frame spindle hole.

The measure of taking also comprises: above-mentioned bar constraint damper unit is four, and bar is arranged in the inscribed circle that at least two rollers of each bar constraint damper unit are formed, four groups of roller fiting constraints and location bar.

The roller of above-mentioned auxiliary bar constraint mechanism is installed on the common drive shaft by swing arm.

The adjustment (adjusting) lever of above-mentioned bar constraint damper unit is installed on the rocker arm shaft of link gear; Link gear is connected by a pin and rocking arm work are movable by two identical connecting rods of length, and arbitrary rocker arm shaft turns an angle, and drives all the other rocker arm shafts by rocking arm by pin and connecting rod and turns over equal angular in the same way; This link gear is installed on the bearing; The adjustment screw of bar constraint damper unit is installed on a side of adjustment (adjusting) lever, and spring and hydraulic bjuffer are installed on the opposite side of adjustment (adjusting) lever.

Compared with prior art, the utility model has following advantage: (1) can be regulated easily, to adapt to the bar of different size diameter in the certain limit; (2) bar be constrained to nonrigidly, have damping function simultaneously, the impact, the vibration that produce during the bar rotation can obtain buffering thus, Zhen Dong energy is decayed simultaneously.Therefore go for bar longer, larger diameter; (3) alleviate influence, alleviate influence simultaneously tool life and crudy to the machine tool chief axis precision; (4) alleviate noise, improved working environment; (5) structure is simple relatively, the cost performance height.

Description of drawings

The equipped cross-sectional schematic of Fig. 1 the utility model embodiment;

Figure 1A is the schematic top plan view of Fig. 1;

Fig. 2 is the bar constraint damper unit structural representation of Fig. 1;

Fig. 2 A is the back cross-sectional schematic of Fig. 2;

Fig. 2 B is that schematic diagram is cutd open on the left side of Fig. 2;

Fig. 3 is the bin structural representation of Fig. 1;

Fig. 4 is the feed mechanism schematic diagram of Fig. 1;

Fig. 5 is the auxiliary bar constraint mechanism schematic diagram of the radially charging method of Fig. 1;

Fig. 5 A is that schematic diagram is cutd open on the left side of Fig. 5;

Fig. 6 is the link gear schematic diagram of the bar constraint damper unit of Fig. 1;

Fig. 6 A is the schematic rear view of Fig. 6;

Fig. 6 B is that schematic diagram is looked on the left side of the cutaway view of Fig. 6 A;

Fig. 6 C is the schematic top plan view of Fig. 6 A.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Shown in Fig. 1 to Fig. 6 C, the rod material automatic feeding device, comprise combined equipped bin 1, bar constraint damper unit 2, auxiliary bar constraint mechanism 3, feed mechanism 4, wherein: bar constraint damper unit 2 is a combining structure, at least two bar constraint damper unit 2 spacings plane on the crossbeam 12 that is installed on bin 1 that is arranged in parallel; At least two rollers 28 of bar constraint damper unit 2 are corresponding separately to be connected on the corresponding rocker arm shaft of link gear 21 by an identical roller swing arm 27 of length; The inscribed circle center of at least two rollers 28 should guarantee on same straight line, and overlap with center, main frame main shaft 8 hole; Bin 1 is coupled to each other by adjustable for height supporting upright post 11, adjustable support 13 and crossbeam 12 to be formed; Feed mechanism 4 is a ball type, and is installed in main frame main shaft 5 holes.Bar constraint damper unit 2 is four, and bar 9 is arranged in the inscribed circle that at least two rollers 28 of each bar constraint damper unit 2 are formed, four groups of roller fiting constraints and location bar 9.The roller 32 of auxiliary bar constraint mechanism 3 is installed on the common drive shaft 35 by swing arm 33.

The adjustment (adjusting) lever 25 of bar constraint damper unit 2 is installed on the rocker arm shaft of link gear 21; Link gear 21 is connected by 4 pins 218 and rocking arm work are movable by two identical connecting rods 217 of length, and arbitrary rocker arm shaft turns an angle, and drives all the other rocker arm shafts by rocking arm by pin and connecting rod and turns over equal angular in the same way; This link gear 21 is installed on the bearing 26; The adjustment screw 22 of bar constraint damper unit 2 is installed on a side of adjustment (adjusting) lever 25, and spring 23 and hydraulic bjuffer 24 are installed on the opposite side of adjustment (adjusting) lever 25.

Describe in detail in conjunction with the accompanying drawings:

Shown in Fig. 1, Figure 1A, the rod material automatic feeding device mainly is made up of following components: bin 1, bar constraint damper unit 2, auxiliary bar constraint mechanism 3, feed mechanism 4.

Fig. 3 is bin 1 schematic diagram, is coupled to each other by adjustable for height supporting upright post 11, adjustable support 13 and crossbeam 12 and forms.Feed mechanism 4 is a ball type, is installed in main frame main shaft 5 holes.Cylinder 6 moves right and promotes feed mechanism 4 and move to right synchronously, and feed mechanism tapered sleeve 41 inner conical surfaces compress bar 9 cylindricals with steel ball 42, carries out bar 9 and moves to right synchronously thereby drive, and promptly finishes a feeding.Cylinder 6 is moved to the left, and steel ball 42 moves to big mouthful of direction of tapered sleeve 41 internal taper holes, and steel ball breaks away from bar 9 cylindricals.Bar is remained stationary, and feed mechanism 4 is retracted into the feeding front position, so finishes a feeding circulation.

Present embodiment is charging method radially.4 bar constraint damper units 2 are installed on plane on the crossbeam 12 of bin 1 at a certain distance, and the inscribed circle center of three rollers 28 of each constraint damper unit should guarantee on same straight line, overlaps with center, main frame main shaft 8 hole simultaneously.Constraint damper unit quantity can be determined increase and decrease according to bar length and diameter range.Bar 9 is arranged in the inscribed circle of three rollers, 28 compositions of each bar constraint damper unit 2, and bar is subjected to four groups of rollers constraints and location.

Retrain damper unit as shown in Figure 2, three rollers 28 are connected on three rocker arm shafts 211,212,213 of link gear 21 separately by three identical roller swing arms 27 of length respectively; When adjusting adjustment screw 22 up and down respectively according to bar 9 diameter, adjustment (adjusting) lever 25 swings up and down, driving rocker arm shaft 213 rotates, drive three roller swing arms 27 through link gear 21 and do the equal angles rotation, so inscribed circle center of three rollers 28, can not this shows that the center of bar can not change with the difference of diameter because of the inscribed circle size changes.The impact that produces during the bar rotation, vibration pass to hydraulic bjuffer 24 and buffering spring 23 through adjustment (adjusting) lever 25, and the shock and vibration that produce when bar rotates thus obtain buffering and decay.

Fig. 6, Fig. 6 A, Fig. 6 B, Fig. 6 C are the schematic diagram of the link gear 21 of bar constraint damper unit 2, connect by 4 pins 218 and rocking arm 214,215,216 works are movable by two identical connecting rods 217 of length, arbitrary rocker arm shaft turns an angle, and will drive all the other rocker arm shafts by pin and connecting rod by rocking arm and turn over equal angular in the same way.Link gear 21 is installed on the bearing 26.

The radially charging method of Fig. 5, Fig. 5 A present embodiment is assisted bar constraint mechanism 3 schematic diagrames.Before bar was packed into, the charging passage opened wide, and cylinder 37 provides power, drove common drive shaft 35 by rocking arm 36 and rotated, and lifted 4 rollers 32 synchronously by swing arm 33.After bar is packed into, press the same manner, 4 rollers 32 press to constrained synchronously, and constrained can be regulated stop screw 34 and be limited.31 is the shaft coupling of common drive shaft.

8 are the security protection groove among Figure 1A, and bar is positioned at the center of groove, and 7 for security protection groove lid, is fixed on the common drive shaft 35 lifting and pressing down, synchronous on-off with 4 rollers 32.

Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims

1. rod material automatic feeding device, comprise combined equipped bin (1), bar constraint damper unit (2), auxiliary bar constraint mechanism (3), feed mechanism (4), it is characterized in that: described bar constraint damper unit (2) is a combining structure, at least two last planes of crossbeam (12) that described bar constraint damper unit (2) spacing is arranged in parallel and is installed on bin (1); At least two rollers (28) of described bar constraint damper unit (2) are corresponding separately to be connected on the corresponding rocker arm shaft of link gear (21) by an identical roller swing arm (27) of length; The inscribed circle center of described at least two rollers (28) should guarantee on same straight line, and overlap with main frame main shaft (8) center, hole; Described bin (1) is coupled to each other by adjustable for height supporting upright post (11), adjustable support (13) and crossbeam (12) to be formed; Described feed mechanism (4) is a ball type, and is installed in main frame main shaft (5) hole.

2. rod material automatic feeding device according to claim 1, it is characterized in that: described bar constraint damper unit (2) is four, bar (9) is arranged in the inscribed circle that at least two rollers (28) of each bar constraint damper unit (2) are formed, four groups of roller fiting constraints and location bar (9).

3. rod material automatic feeding device according to claim 2 is characterized in that: the roller (32) of described auxiliary bar constraint mechanism (3) is installed on the common drive shaft (35) by swing arm (33).

4. according to claim 2 or 3 described rod material automatic feeding devices, it is characterized in that: the adjustment (adjusting) lever (25) of described bar constraint damper unit (2) is installed on the rocker arm shaft of described link gear (21); Described link gear (21) is connected by 4 pins (218) and rocking arm work are movable by two identical connecting rods (217) of length, and arbitrary rocker arm shaft turns an angle, and drives all the other rocker arm shafts by rocking arm by pin and connecting rod and turns over equal angular in the same way; This link gear (21) is installed on the bearing (26); The adjustment screw (22) of described bar constraint damper unit (2) is installed on a side of adjustment (adjusting) lever (25), and spring (23) and hydraulic bjuffer (24) are installed on the opposite side of adjustment (adjusting) lever (25).