CN1053029A

CN1053029A - Rapid travel regulator with mechanical interlocking

Info

Publication number: CN1053029A
Application number: CN 90100065
Authority: CN
Inventors: 邵百成; 邱军
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-01-05
Filing date: 1990-01-05
Publication date: 1991-07-17

Abstract

A kind of mechanical interlocking formula operation in tandem fast distance adjustor comprises: mechanical interlocking operation in tandem mechanism; Section screw rod fast advance and retreat distance adjustor; The section screw rod goes into to detain guiding mechanism; The double-layer spiral force application mechanism.Can realize sending workpiece and clamping work pieces fast to according to thickness of workpiece or relative position rapid adjustment working slider and the fixing relative position of slide unit, unclamp workpiece fast.

Description

Rapid travel regulator with mechanical interlocking

The present invention relates to a kind of rapid travel regulator with mechanical interlocking, its typical application examples is the quick clamping of quick roll adjustment machine vice, bench vice and milling machine working slider or the device that transports workpiece.

Known machine vice is to use screw pair from regulating span of jaw S to clamping work pieces, and it moves axially, and speed is very slow, operating efficiency is very low.Patent of invention CN87108067A solves this technical barrier preferably.Its major technique feature be adopt central shaft to move up and down to finish locking central shaft (screw mandrel), the square thread application of force and ball program control.And rapid travel regulator with mechanical interlocking of the present invention is different from the program-controlled fast distance adjustor of CN87108067A fully, the locking of its leading screw must not make central shaft move up and down, but utilize block and bulb sliding pin to realize the quick clamping work pieces of operation in tandem, structure is simpler, compact.

Quick machine vice with application example of the present invention is an example below, is illustrated with reference to accompanying drawing.

Fig. 1 is the quick roll adjustment machine vice of an interlocking of the present invention free position work sheet (general assembly drawing).

Fig. 2 is I-I profile of Fig. 1.

Fig. 3-1 to Fig. 3-4 be of the state diagram of II-II section of Fig. 1 in the different operating position.

Fig. 4 is the part drawing of four kinds of mechanism's core part hollow nut bars 9 of the present invention.

Fig. 5 is the part drawing of ball stud 16.

The part drawing of Fig. 6 side of being tooth nut body 8.

Fig. 7 is a bifurcation shape section screw rod sectional drawing.

Fig. 1 is one and has used the quick roll adjustment machine vice of mechanism of the present invention interlocking, comprising: the fixedly vice body 4 that is fixed on the vice seat 5 and rotates around central shaft 6; The edge is the movable vice body 1 of vice body guide rail 18 slips fixedly; Jaw 2,3; Mechanical interlock mechanism; The fast advance and retreat distance adjustor; Bifurcation shape section screw rod goes into to buckle guiding mechanism; Double-deck nut force application mechanism.

The hollow nut bar 9 of Fig. 1 goes into to detain the core part of guiding mechanism and force application mechanism for interlocking mechanism, fast advance and retreat distance adjustor, screw rod in the quick machine vice of the present invention.Nut pole 9 outer square threads 49 mesh with the square thread 19 of square tooth nut body 8, end at Nut pole 9 has a step-like garden ring 20, on the ring of garden a program control hole 21(Fig. 3-1 is arranged, Fig. 4), spring 15 and ball stud 16 are arranged in the hole 21, (Fig. 3-3) spring is compressed when the ball head 44 of pin contacts with the inner surface 24 of square tooth nut body 8, the tail end 43 of pin reaches in Nut pole 9 grooves 32, as Nut pole 9 counterclockwise N during to the groove 23 of the side's of changing over to tooth nut body 8 (Fig. 3-4), the ball head 44 of pin is blocked by the vertical plane of groove 23, axially offside for preventing that the Overexertion ball stud from deviating from groove vertical plane back nut bar 9, adopt baffle plate 10 spacing (Fig. 1).When Nut pole 9 clockwise M when rotating, hypotenuse one side that the bulb 44 of ball stud can groove 23 is deviate from (Fig. 3-3).It more than is mechanical interlock mechanism;

With the step-like garden ring 20 of Nut pole 9 on 21 one-tenth hexagonal angle places, program control hole 26, two holes of pilot hole are arranged the center all in Nut pole on the cusp line of symmetry 29 of angular thread 28 (Fig. 4).Spring 15 and ball 17(Fig. 3-1 are arranged) in the

hole

26,27 places, edge in hole 26 are washed into three less projections (Fig. 4), to block spring 15, when 30 of the thread of ball 17 and screw rod 14 meshes (Fig. 7), M can make screw thread 28 engagements (Fig. 3-3) of screw thread 33 with the Nut pole 9 of bifurcation shape screw rod 14 to the screw rod 14 of rotation diagram 3-4.More than go into to buckle guiding mechanism for bifurcation shape screw rod.

Three triangle block 34(Fig. 4 that five equilibrium is arranged at the other end of Nut pole 9), the side 31 of bifurcation

shape screw rod

14,50 are blocked (Fig. 3-3 by block 34, Fig. 3-4), block 34 plays key, when bifurcation shape screw rod 14 clockwise M to forwarding Fig. 3-1 position to, its screw thread 33 meshes with the screw thread 28 of Nut pole 9, (Fig. 3-3) blocked in bifurcation shape screw rod side 50 by block 34, the two continues rotation together then, ball stud 16 withdraws from groove 23 from becoming 30 ° of inclined-planes 25, square thread phase the other side tooth nut body 8 of Nut pole 9 rotates and moves axially, and passes through bifurcation shape screw rod 14 as Fig. 1, double thrustbearing 12, square wrench body 13, movable vice body 1 jaw 2 is to jaw 3 application of forces.It more than is double-deck screw thread force application mechanism;

Three start screw 28 and three groove 32(Fig. 4 are arranged in the Nut pole 9), when the three start screw 33 of bifurcation shape screw rod 14 forwards in three grooves 32 of Nut pole 9 such as Fig. 3-4, screw thread breaks away from engagement fully, and can spur bifurcation shape screw rod rapid axial and move this moment.It more than is the fast advance and retreat distance adjustor.

In addition, the right-hand member at movable vice body 1 is fixed with bearing block 11.Fixing square tooth nut body 8 at fixing vice body 4 right-hand members, two sides 47 of breechblock 8 should be installed in the groove of fixing vice body in case nut body 8 rotates.

The following describes the in-sequence operational step of mechanical interlocking formula quick vice.

One, the quick adjustment program of vice span of jaw

The state that Fig. 1 is a jaw 2,3 when opening arbitrarily.As adding mouth of tongs 2,3 aperture, earlier block wrench body 13 counterclockwise N to rotation with spanner, the screw thread 33 of bifurcation shape section screw rod 14 enters the side 31 of triangle block 34 retainings of (Fig. 3-4) Nut poles 9 in the middle of the groove 32 of hollow nut bar 9 at bifurcation shape screw rod 14, motionless in the groove 23 of bulb 44 side's of being stuck in tooth nut bodies 8 of ball stud 16, deviate from from groove 23 for preventing the excessive moment of resistance that surpasses ball stud of moment of torsion, with limiting plate 10(Fig. 1) with Nut pole 9 axial limitings, behind this spline state of feel, push away, draw wrench body 13, by thrust bearing 12, bearing block 11 drive activity vice bodies 1 are along fixing guide rail 18(Fig. 2 of vice body 4) dextrad moves to jaw 2, till the 3 required aperture S.In regulating span of jaw S process, have ball 17 only and contact with the screw thread 33 of bifurcation shape screw rod 14, skip cusp one by one, under spring action, be parked in dental groove 30 places (Fig. 7 A is to looking) at last.

Two, clamping work pieces program

Workpiece is placed between the jaw 2,3, still be in groove 32 between hollow nut bar 9 screw threads in as the screw thread 33 of Fig. 3-4 bifurcation shape screw rod 14 this moment, push wrench body 13 to the left side, movable vice body, jaw 2 left near or be adjacent to workpiece, when feel has entered between the bifurcation shape screw rod thread ditch 30 to ball 17, clockwise M is to rotating spanner body 13 again, and the three start screw 33 of bifurcation shape screw rod 14 successfully enters Fig. 3-1 state with three start screw 28 engagements of Nut pole 9 under the guiding of ball 17.The side 50 of bifurcation shape screw rod 14 is blocked by the triangle block 34 of Nut pole 9 at this moment, bifurcation shape screw rod is pinned by Nut pole 9, continue to clockwise rotate wrench body 13, when moment of torsion during greater than the moment of resistance of the 25 pairs of ball studs 16 in groove inclined-plane of nut body 8 bulb 44 of ball stud deviate to Fig. 3-3 state from the inclined-plane of groove 23, in the hole 21 of ball stud termination 44 indentation Nut poles 9, the square thread 19 of square thread 49 phase the other side tooth nut bodies 8 of Nut pole 9 rotates and generation moves axially, and passes through screw thread 28 as Fig. 1,33, wrench body 13 and double thrustbearing 12 promotion activity vice bodies 1 advance till clamping work pieces left along guide rail 18.

To sum up one, two described programs are: wrench body 13 counterclockwise N left promote wrench body 13(jaw behind the place work piece to rotation (Nut pole 9 and the bifurcation shape screw rod 14 disengaging engagement from the locking-in state of Fig. 3-1 to Fig. 3-4) → spur in wrench body (regulating the aperture S of jaw) → jaw to the right and are adjacent to workpiece) → clockwise rotate wrench body 13.(, being clamping work pieces) to Fig. 3-3 state from Fig. 3-1.

Three, unclamp work procedure

When the workpiece completion of processing need unload workpiece, N is to rotating spanner body 13 for inhour, from Fig. 3-3 to Fig. 3-2, the locking torque that bifurcation shape screw rod 14 and Nut pole are 9 is less than the moment of 8 of Nut pole 9 and square tooth nut bodies, so bifurcation shape screw rod 14 rotates about 30 ° in advance, make the vice unloading, continue to rotate counterclockwise wrench body 13, the termination 43 of ball stud 16 is blocked in the side 31 of bifurcation shape screw rod, Nut pole 9 just reverses together with bifurcation shape screw rod 14, till the groove 23 of bulb 44 side's of entering tooth nut bodies 8 of ball stud, as Fig. 3-4, workpiece is released.

One, two, three above-mentioned programs can be simplified to following diagram procedure:

Described mechanical interlocking fast distance adjustor of the present invention is except that being used for machine vice, pincers worker with also can be used on other engineering goods that need the quick adjustment strokes as milling machine the bench vice etc. before combining.This can increase work efficiency significantly, and it is very convenient to operate.Adopt the present invention's basic part can be evolved into various deformation mechanism, all do not depart from the scope of the present invention.

Claims

1, a kind of mechanical interlocking formula operation in tandem fast distance adjustor, have active operation slide unit and fixing carriage saddle, it is characterized in that: this mechanism by mechanical interlocking operation in tandem mechanism, section screw rod fast advance and retreat distance adjustor, the section screw rod goes into to detain guiding mechanism and the double-layer spiral force application mechanism is formed.

Mechanical interlocking operation in tandem mechanism comprises: groove, bulb sliding pin, spring, limiting plate in the radially program control hole of hollow nut bar one end and the block of termination, the square tooth nut end on the ring of garden;

Section screw rod fast advance and retreat distance adjustor comprises: the interior garden week of screw rod, hollow nut bar with section is gone up the screw thread and the groove of number five equilibrium;

The section screw rod is gone into to detain guiding mechanism and is comprised: section screw flight, another radially-directed hole of hollow nut bar one end, ball, spring;

The double-layer spiral force application mechanism comprises: the square thread of hollow nut rod outer surface and the block of termination thereof, square tooth nut body.

2, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor, it is characterized in that there is the hollow nut bar of square thread in described operation in tandem mechanism for-outer surface, hollow nut bar one end has radially program control hole, screw thread cusp line of symmetry in the center line in hole and the hollow nut bar coincides, compression spring and bulb sliding pin are housed in the hole, the other end of hollow nut bar (same end also can) has several blocks of five equilibrium, and the groove side that block can block with the section screw rod of hollow nut bar internal thread engagement imposes moment of torsion.

3, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor is characterized in that: there is a groove on the post surface, interior garden of described side's tooth nut body one end, and a side of groove is a vertical plane, and another side is the inclined-plane.

4, claim 1,2 desired mechanical interlocking formula operation in tandem fast distance adjustors, it is characterized in that: described ball stud is one to have the ball stud of step axle, it is with pack into the radially program control hole of hollow nut rod end head of spring, ball head is subjected to the groove on post surface, garden in the spring compression tooth nut body termination, the side of entering interior or deviate from from the groove inclined-plane when being rotated by Nut pole, ball head is deviate from the bore area that back ball stud step shaft tail end exposes the hollow nut bar from groove, blocks section screw flutes side.

5, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor, it is characterized in that described limiting plate, its side's of being fixed on tooth nut body one end, the section screw rod passes through from the centre bore of limiting plate, the limited plate of hollow nut bar blocks, the initialization position of control spiral.

6, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor, it is characterized in that: the section screw rod of described fast advance and retreat distance adjustor is one to have the axle of circumferential five equilibrium groove section, there is screw thread on the surface, the engagement of the internal thread of its screw thread and hollow nut bar is when the section screw flight breaks away from engagement axial fast moving when being in the hollow nut bar in the five equilibrium groove.

7, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor is characterized in that: the hollow nut bar of fast advance and retreat governor motion, respectively there are several screw threads and groove in garden week within it.

8, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor, it is characterized in that: it is another hole-pilot hole on the right 2 described hollow nut bars that described section screw rod goes into to detain guiding mechanism, spring and ball are housed in the hole, the center line in hole overlaps with internal thread cusp line of symmetry, the major part of ball is blocked by the minor diameter taper hole of nose end, and exposed portions serve is between section screw rod two threads.

9, the described mechanical interlocking formula of claim 1 operation in tandem fast distance adjustor, it is characterized in that: described double-layer spiral force application mechanism, for having the hollow nut bar of internal thread and outer square thread described in square tooth nut body and the claim 2, when the hollow nut bar rotates with respect to square tooth nut body, produce axial displacement, and the application of force.

10, a kind of machine vice, bench vice that is applied to the mechanical interlocking formula operation in tandem fast distance adjustor of claim 1 is characterized in that: comprise that interlocked operation mechanism, fast advance and retreat distance adjustor, bifurcation shape section screw rod go into to buckle guiding mechanism, double-layer spiral force application mechanism, fixedly vice body and movable vice body.

Interlocked operation mechanism comprises: there is hollow nut bar 9(Fig. 4 of program control hole 21 and block 34 end), an end has square tooth nut body 8(Fig. 6 of groove 23), ball stud 16(Fig. 5), spring 15, limiting plate 10.

Fast distance adjustor comprises: bifurcation shape section screw rod 14(Fig. 7), hollow nut bar 9(Fig. 4 of three grooves 32 of five equilibrium arranged in interior garden week).

Bifurcation shape section screw rod is gone into to buckle guiding mechanism and is comprised: the bifurcation shape section screw rod 14(Fig. 7 that is provided with the external screw thread 33 of three five equilibriums), pilot hole 26(Fig. 4 of hollow nut bar 9 one ends), ball 17, spring 15, (the pilot hole center line is (Fig. 4 A is to looking) on the line of symmetry of the cusp 29 of internal thread 28).

The double-layer spiral force application mechanism comprises: have a square thread 49 and an end that hollow nut bar 9(Fig. 4 of three triangle blocks 34 is arranged), square tooth nut body 8(Fig. 6 of square thread 19 is arranged), double thrustbearing 12, square wrench body 13, garden nut 48 etc. (Fig. 1).

11, the described machine vice of claim 10, it is characterized in that: an end of the hollow nut bar 9 of Fig. 4 has step garden ring 20 in described interlocking mechanism, one program control hole 21 is arranged on it, spring 15, ball stud 16(Fig. 3-1 are housed) in the hole, the center in hole 21 overlaps (Fig. 4 A is to looking) with the cusp line of symmetry 29 of angular thread 28, and hollow nut bar 9 one ends have can block bifurcation shape section screw rod 14(Fig. 7) three triangle blocks 34 of side 50.

12, the described machine vice of claim 10, it is characterized in that: in described interlocking mechanism, the garden cylinder 24 of tooth nut body 8 ends, side is provided with the groove 23 that ball stud 16 is deviate from from 30 ° of inclined-planes 25, and the another side of groove is for blocking the vertical plane (Fig. 6) of ball stud.

13, the described machine vice of claim 10, it is characterized in that: in described interlocking mechanism, ball stud 16 has a step axle 43(Fig. 5), can pack in the program control hole 21 of hollow nut bar 9 with spring 15, in the groove 23 of ball head 44 side's of entering tooth nut body 8 under spring action (Fig. 3-1), after ball stud was deviate from from groove 23, bulb 44 contacted with the inner surface 24 of square tooth nut body 8, and ball stud tail end 43 stretches into hollow nut body 9 endoporus (Fig. 3-2).

14, the described machine vice of claim 10, the outer end that it is characterized in that limiting plate 10 side's of the being fixed in tooth nut bodies 8 described in the interlocking mechanism, bifurcation shape section screw rod 14 can pass through from limiting plate centre bore 42, and hollow nut bar 9 is blocked in limiting plate 10 inboards (Fig. 1).

15, the described machine vice of claim 10, it is characterized in that: in described fast advance and retreat distance adjustor, bifurcation shape section screw rod 14 is an axle that trisection groove 35 is arranged, there are three angular thread 33(Fig. 7 on the surface), screw thread 28 engagements with hollow nut bar 9, bifurcation shape section screw rod 14 front ends are than 36 one-tenth assemblings (Fig. 1) movingly in hole of axle 37 with movable vice body 1 left end of minor diameter, the other end is that larger-diameter axle 39 becomes to be installed in movingly in the hole 38 with movable vice body 1 right-hand member, double thrustbearing 12, wrench body 13 is contained in the axle 40 of right-hand member respectively, on 41,12 1 faces of double thrustbearing and movable vice body 1 right side are close to, another side and bearing block are close to, and mid-plane tightens up by nut 48 wrench bodies 13 grades.

16, the described machine vice of claim 10 is characterized in that having at described fast advance and retreat mechanism hollow core Nut pole 9 endoporus making out-of-gear three the groove 32(Fig. 4 that are mutually 120 ° of bifurcation shape section screw rod), with the screw thread 28 of bifurcation shape section screw engages.When bifurcation shape screw flight 33 was in the middle of the hollow nut bar groove 32, bifurcation shape section screw rod 14 moved axially with movable vice body 1.

17, the described machine vice of claim 10, it is characterized in that: described go into to detain on the guiding mechanism hollow core Nut pole 9 establish a pilot hole 26 with 21 one-tenth hexagonal angle places, program control hole, two hole axial difference, 1/3rd pitch, this Kong Youyi can restraining spring drops out is washed into a less projection 27(Fig. 4).

18, the described machine vice of claim 10 is characterized in that: square tooth nut body 8 has square thread 19 and female minor axis 46 in described force application mechanism, be fixed on fixedly vice body 4 right-hand members with screw 7, when hollow nut bar 9 rotates with respect to square tooth nut body 8, impose axial force (Fig. 1) by thrust bearing 12 and movable vice body 1.

19, the described machine vice of claim 10 is characterized in that in the described force application mechanism, and hollow nut bar 9 has the square thread 49(Fig. 4 that imposes axial force with square tooth nut body 8 engagements).

20, the machine vice of claim 10 is characterized in that: on the axle 40 of bifurcation shape section screw rod 14 and between the right-hand member of movable vice body 1 and the bearing block 11 a double thrustbearing 12(Fig. 1 is installed in described force application mechanism) and on the square shaft 41 of bifurcation shape section screw rod right-hand member, wrench body 13 is housed.