CN202377822U - Expanding mandrel clamp for square stator - Google Patents

Abstract

The utility model belongs to mechanical production process equipment and particularly relates to an expanding mandrel clamp for a square stator. A base bushing block (23) is embedded on a base (1), a thrust bearing (13) is sleeved on a boss positioned in the middle of the base (1), a mandrel (3) is installed on the base (1) and fixed on the base (1), a mandrel bushing block (2) is embedded in an inner hole positioned on the left side of the mandrel (3), a hand wheel press cover (4) is fixedly connected onto the mandrel (3), a scale-division locating pin (6) is installed in the hand wheel press cover (4) in an installing mode, the upper end of the scale-division locating pin (6) is connected with a hand wheel (8), a locating pin (20) is installed on the mandrel (3), and six centering clamping blocks (27) are respectively inserted in the mandrel (3), belt cone pins (10) are inserted in inner holes of the mandrel (3) corresponding to the inner side of each centering clamping block (27), a press plate (12) is installed on the belt cone pins (10), a positioning sliding plate (16) is installed on the press plate (12), and one drill bushing (15) is installed on long grooves at two ends of the positioning sliding plate (16) respectively. The expanding mandrel clamp for the square stator can finish double-workpiece multihole processing by clamping in a single time, saves time and labor, and is low in using cost.

Description

Fang Dingzi expansible heart anchor clamps

Technical field

The utility model belongs to manufacturing technology equipment, particularly a kind of side's stator expansible heart anchor clamps.

Background technology

Fang Dingzi is one of major part of vane pump, and four jiaos are uniformly distributed with four machining holes around its centre bore, and the morpheme worker's difference between these four machining holes requires tighter; It is bigger to add difficulty; Generally all adopted extremely easy device, working (machining) efficiency is low in the past, and morpheme worker's difference size is difficult to guarantee; Cause product percent of pass low, waste of manpower and material resources.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned technical deficiency, provides a kind of machining accuracy high, time saving and energy saving, the square stator expansible heart anchor clamps that can reduce production costs.

The technical scheme that the utility model technical solution problem adopts is: square stator expansible heart anchor clamps comprise base, handwheel, cylinder lock, calibration alignment pin, compression spring, handwheel gland, axle, axle lining, spring band, band conical surface pin, circlip one, circlip two, pressing plate, thrust bearing, thin nut one, thin nut two, thin nut three, drill bushing, location slide plate, alignment pin, are characterized in insert base lining in monosymmetric two holes of center, suit thrust bearing on the boss in the middle of the base; Spacing with circlip two, axle is housed above the base, the endoporus shoulder is fitted in above the thrust bearing below the axle; Axle is fixed on the base with bolt and spacing pressing plate, and the hole internal diameter size is identical in the insert axle lining in the endoporus in axle left side, axle lining and base lining; The position of corresponding axle lining is fixedly connected the handwheel gland with stove bolt above the axle; Install the calibration alignment pin in the handwheel gland, suit compression spring on the calibration alignment pin, calibration alignment pin lower end places hole in axle lining and the base lining; Calibration alignment pin upper end connects with straight pin is equipped with handwheel; Alignment pin is housed with thin nut three lockings in the elongated hole on axle right side, axle top is uniformly distributed with six centering of difference plug-in mounting fixture block in six vertical slots, respectively encloses in the upper and lower groove of centering fixture block and adorns a spring band; On the axle corresponding each centering fixture block inboard in plug-in mounting band conical surface pin in the hole; Band conical surface pin lower end pocketed springs is equipped with pressing plate above the band conical surface pin, and pressing plate is sleeved on the axle; Spacing with circlip one; The location slide plate is housed above the pressing plate, and the location slide plate is sleeved on axle and fixes with dog screw, above the slide plate of location thin nut two is housed; Thin nut two is locked on axle, in the elongate slots at slide plate two ends, location a drill bushing is housed respectively and is locked with thin nut one.

The beneficial effect of the utility model is: square stator expansible heart anchor clamps can be accomplished the dual-workpiece porous processing by the single clamping; Time saving and energy saving, use cost is low, adopts moving slider formula location; General leeway is bigger than conventional brace; Form and position tolerance controlled size precision scope is improved, and product quality is guaranteed that reliably production efficiency significantly improves.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Figure cuts open in the master office of looking that Fig. 1 side of being stator expansible heart anchor clamps remove behind location slide plate, thin nut two, dog screw, thin nut one, the drill bushing.

Fig. 2 side of being stator expansible heart anchor clamps vertical view.

Fig. 3 is an A-A revolved sectional view among Fig. 2.

Fig. 4 is a B-B cutaway view among Fig. 1.

Among the figure, the 1-base; 2-axle lining; The 3-axle; 4-handwheel gland; 5-compresses spring; 6-calibration alignment pin; The 7-straight pin; The 8-handwheel; The 9-spring band; 10-band conical surface pin; 11-circlip one; The 12-pressing plate; The 13-thrust bearing; The 14-spring; The 15-drill bushing; 16-locatees slide plate; 17-thin nut one; The 18-dog screw; 19-thin nut two; The 20-alignment pin; 21-circlip two; 22-thin nut three; 23-base lining; The 24-bolt; The spacing pressing plate of 25-; The 26-stove bolt; The 27-fixture block of feeling relieved.

The specific embodiment

Embodiment, with reference to accompanying drawing 1 ~ 4, insert base lining 23 in monosymmetric two holes, square stator expansible heart clamp base 1 center, suit thrust bearing 13 on the projection is spacing with circlip 2 21 in the middle of the base 1.Axle 3 is housed above the base 1, and axle 3 endoporus shoulders are fitted in above the thrust bearing 13, and axle 3 usefulness bolts 24 are fixed on the base 1 with spacing pressing plate 25.Insert axle lining 2 in the endoporus in axle 3 left sides; 23 li hole internal diameter sizes of axle lining 2 and base lining are identical; The position of corresponding axle lining 2 is fixedly connected handwheel gland 4 with four stove bolts 26 above the axle 3; Install calibration alignment pin 6 in the handwheel gland 4, suit compression spring 5 on the calibration alignment pin 6, calibration alignment pin lower end places axle lining and base lining; Calibration alignment pin 6 upper ends connect with straight pin 7 is equipped with handwheel 8, and 3 22 lockings of alignment pin 20 usefulness thin nuts are housed in the elongated hole on axle 3 right sides.Axle 3 tops are uniformly distributed with six centering of difference plug-in mounting fixture block 27 in six vertical slots; Respectively enclose in the upper and lower groove of centering fixture block 27 and adorn a spring band 9; On the axle 3 corresponding each centering fixture block 27 inboard in plug-in mounting band conical surface pin 10 in the hole, band conical surface pin 10 lower end pocketed springs 14.Above the band conical surface pin 10 pressing plate 12 is housed; Pressing plate 12 is sleeved on the axle 3 spacing with circlip 1; Location slide plate 16 is housed above the pressing plate 12, and location slide plate 16 is sleeved on the axle 3 fixing with dog screw 18, above the slide plate 16 of location thin nut 2 19 is housed; Thin nut 2 19 is locked on axle 3, in the elongate slots at slide plate 16 two ends, location a drill bushing 15 usefulness thin nuts 1 is housed respectively and is locked.

The method for using of Fang Dingzi expansible heart anchor clamps is: before clamping; Shed location slide plate 16, dog screw 18, thin nut 2 19, regulate the distance of alignment pin 20 and axle 3 center lines, on the overlapping centering fixture block 27 that is sleeved on axle 3 of two square stators; A side of the side's of making stator leans against on the alignment pin 20 inboard, upright planes; Locking thin nut 3 22 is spacing with alignment pin 20 locking the other side stators, loads onto location slide plate 16, locking thin nut 2 19; Through band conical surface pin 10, centering fixture block 27 square stator clamp is fastened; Locking positioning screw 18, with calibration rationed marketing 6 lower ends place axle lining 2 and base lining 23 in the hole, after clamping finishes base 1 is placed fixing can processing on the Drilling machines bench.Behind intact first hole of drilling; With portable handwheel 8 calibration alignment pin 6 is proposed from base lining 23; And live spindle 3 inserts the drilling of carrying out another hole in 23 li holes of another base lining with calibration alignment pin 6, the drilling that so back and forth can enter four holes.

Claims (1)

1. square stator expansible heart anchor clamps; Comprise base (1), handwheel (8), cylinder lock (7), calibration alignment pin (6), compression spring (5), handwheel gland (4), axle (3), axle lining (2), spring band (9), band conical surface pin (10), circlip one (11), circlip two (21), pressing plate (12), thrust bearing (13), thin nut one (17), thin nut two (19), thin nut three (22), drill bushing (15), location slide plate (16), alignment pin (20); It is characterized in that insert base lining (23) in monosymmetric two holes, base (1) center; Suit thrust bearing (13) on the boss in the middle of the base (1); Spacing with circlip two (21); Axle (3) is housed above the base (1), and the following endoporus shoulder of axle (3) is fitted in above the thrust bearing (13), and axle (3) is fixed on the base (1) with bolt (24) and spacing pressing plate (25); Insert axle lining (2) in the endoporus in axle (3) left side; Axle lining (2) is identical with base lining (23) hole, lining internal diameter size, and the position of corresponding axle lining (2) is fixedly connected handwheel gland (4) with stove bolt (26) above the axle (3), installs calibration alignment pin (6) in the handwheel gland (4); Calibration alignment pin (6) is gone up suit compression spring (5); Calibration alignment pin (6) lower end places axle lining (2) and base lining (23) hole, lining, and calibration alignment pin (6) upper end connects with straight pin (7) is equipped with handwheel (8), alignment pin (20) is housed with thin nut three (22) lockings in the elongated hole on axle (3) right side; Axle (3) top is uniformly distributed with six centering of difference plug-in mounting fixture block (27) in six vertical slots; Respectively enclose in the upper and lower groove of centering fixture block (27) and adorn a spring band (9), plug-in mounting band conical surface pin (10) in the hole in upward corresponding each centering fixture block (27) inboard of axle (3), band conical surface pin (10) lower end pocketed springs (14); Above the band conical surface pin (10) pressing plate (12) is housed; Pressing plate (12) is sleeved on the axle (3), and is spacing with circlip one (11), and location slide plate (16) is housed above the pressing plate (12); Location slide plate (16) is sleeved on axle (3) and fixes with dog screw (18); Above the location slide plate (16) thin nut two (17) is housed, thin nut two (17) is locked on axle (3), in the elongate slots at slide plate (16) two ends, location a drill bushing (15) is housed respectively and is locked with thin nut one (17).

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