CN100410015C

CN100410015C - Simple indexing mechanism

Info

Publication number: CN100410015C
Application number: CNB2006100518209A
Authority: CN
Inventors: 陈焕春
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-01
Filing date: 2006-06-01
Publication date: 2008-08-13
Anticipated expiration: 2026-06-01
Also published as: CN1857862A

Abstract

The present invention discloses a simple indexing mechanism. A main shaft is arranged in a corresponding hole on the upper part of a box body, an indexing disk is fixed at the back end of the box body, and the position of the indexing disk can be changed in a certain angle around a shaft axis of the main shaft. A rocking arm is arranged at the back end of the main shaft, a bolt mechanism is arranged on the rocking arm via a bolt base and a groove of the rocking arm, and the distance between the bolt mechanism and the shaft axis of the main shaft is adjustable. A bolt of the bolt mechanism can move along a shaft axis direction of the main shaft, so minor cones at the front end of the bolt mechanism can be accurately inserted into corresponding holes of the indexing disk, and a locking mechanism can lock and unlock the main shaft. Small taper holes at the front end of the main shaft can be connected with a taper shank for clamping different clamp parts. The bolt can be pulled out, a handle on the rocking arm can switch the main shaft to the next indexing position, and the bolt is put down so as to complete accurate positioning. The simple indexing mechanism has the advantages of simple structure, convenient operation and low manufacture cost and can more easily solve indexing problems of common parts.

Description

Simple indexing mechanism

Technical field

The present invention relates to mechanical processing technique equipment, especially indexing mechanism.

Background technology

Some parts requires to process around its center the structures such as hole, tooth, groove of a plurality of five equilibriums in the machine-building, for example my application number of in February, 2006 application is the patent of invention " arc dentiform passive wheel " of 200610049412X, and this takes turns several orthodrome curved surface teeth that uniform circumference is just arranged.Process this curved surface tooth, need make wheel rotate to the tram of each tooth, use corresponding cutters and mechanism again, finish the processing of each tooth one by one.Having in the machine components in addition much need be to the processing of the structural element of its axial line five equilibrium, all needs to finish processing one by one behind the location of each single key element with indexing mechanism.Usually use dividing head to address this problem.Dividing head adopts Worm and Worm Gear Driving mechanism, and by professional plant produced, price is expensive.

Summary of the invention

The objective of the invention is to overcome the defective of prior art, a kind of simple indexing mechanism is provided, solve the calibration problem of general part.

The objective of the invention is to realize as follows: simple indexing mechanism is made up of casing, main shaft, index dial, rocking arm, bolt device, locking device.Main shaft is contained in the corresponding aperture on casing top, and index dial is fixed on box back, and the index dial position can change in certain angle around the spindle axis line.Rocking arm is contained in rear-end of spindle, and bolt device utilizes the groove of plug housing and rocker arm bracket to be contained on the rocker arm bracket, and rocker arm bracket can be regulated apart from the distance of spindle axis line.The pin of bolt device can move so that the conicle of latch front end can both be inserted in the holes such as each group of index dial accurately along the main-shaft axis direction.Handle is fixed on an end of rocker arm bracket, and the locking device that is distributed in the main shaft front and back position can and unclamp principal shaft locking.Cover screw be fixed on casing above.The conelet degree taper hole of front-end of spindle can connect with the taper shank of the different part clamps of clamping.The box bottom parallel with spindle hole is connected with institute use lathe for this mechanism.Extract latch, can make main shaft forward next indexing position to, put down latch and accurately finish the location with the handle on the rocking arm.

The advantage that this simple indexing mechanism has is: simple in structure, easy to operate, and low cost of manufacture.Can be relatively easy to solve the calibration problem of general part.

Description of drawings

Below in conjunction with accompanying drawing the present invention is further described.

Accompanying drawing 1 is the front view of simple indexing mechanism of the present invention.Fig. 2 is the left view of Fig. 1, and Fig. 3 is the cutaway view of YanA-AChu among Fig. 1, and Fig. 4 is the cutaway view of YanB-BChu among Fig. 1, and Fig. 5 is the profile of YanC-CChu among Fig. 3, and Fig. 6 is the enlarged drawing at I place among Fig. 3.

Among the figure: 1, casing, 2, main shaft, 3, index dial, 4, rocker arm bracket, 5, handle, 6, round nut, 7, plug housing, 8, spring, 9, the latch handle, 10, resilient key, 11, latch, 12, nut, 13, locking pin, 14, clamping screw, 15, lid, 16, left lock dog, 17, right lock dog.

The specific embodiment

With reference to accompanying drawing, main shaft 2 is contained in the hole on casing 1 top, and it cooperates is H7/g6.Index dial 3 is contained on coaxial cylinder of casing 1 rear end and spindle hole and the vertical plane thereof, and the arc groove that passes respectively on the index dial 3 with two bolts of loading onto packing ring is fixed.Two arc grooves on the index dial 3 are coaxial and symmetrical with its axial line, and the fixed bit of index dial 3 is equipped with certain adjustable range, so that satisfy the needs of regulating first Working position of part to be processed.Rocker arm bracket 4 is contained on the cylinder and the shaft shoulder thereof of main shaft 2 rear ends, fixing with key and round nut 6; axial location of the shaft shoulder realization main shaft that the end face that rocker arm bracket 4 contact with the main shaft shaft shoulder and main shaft the place ahead contact with the spindle hole end face, the cooperating of length composition of spindle mounting hole is H8/f7 on the size of its formation and the casing 1.Handle 5 is installed in an end of rocker arm bracket 4.The groove of flat and rocker arm bracket 4 other ends of plug housing 7 outside cylinder is a matched in clearance, and the position of plug housing 7 can change in groove, makes latch 11 can be inserted into any one group of hole of index dial 3, and usefulness nut 12 can be with its secure fixation.It is the locating hole of the different five equilibriums at center with its axial line that the positive and negative of index dial 3 has many groups respectively, but index dial 3 positive and negatives install and use, to satisfy the needs of the corresponding isodisperse of many groups.The one side of the index dial in the accompanying drawing has 5 groups of holes, is respectively 44 holes, 42 holes, 40 holes, 38 holes, 36 holes.Another side also has 5 groups of holes, is respectively 34 holes, 32 holes, 30 holes, 28 holes, 26 holes.Such index dial just can be finished from the task of quantity 2～22 and 26,28,30,32,34,36,38,40,42,44 five equilibriums.The basic needs that solve general part calibration.As run into the part of processing in enormous quantities, and convenient for calibration, can make a special-purpose index dial.The conicle of latch 11 front ends cooperates with locating hole on the index dial 3, contact area is greater than 80%, it is H7/f6 that the big column of latch 11 cooperates with the endoporus of plug housing 7, shock mount 8 between the pillar circle of latch 11 rear ends and plug housing 7 endoporus, resilient key 10 passes the radial hole of latch 11 pillars circle rear end and the groove on the plug housing 7, be contained in the corresponding aperture of latch handle 9, the groove on the cylindrical of resilient key 10 and the plug housing 7 is a matched in clearance, and the endoporus of latch handle 9 and plug housing 7 rear end cylindricals are matched in clearance; When changing next locating hole: pulling latch handle 9 makes the conicle of latch 11 leave locating hole on the index dial 3, after resilient key 10 is along the groove on the plug housing 7 to its outer face, half-twist, rely on the power of spring to make resilient key 10 be parked in this end face, this moment, index dial 3 was left on the conicle top of latch 11.Rotate rocking arms with handle 5 and make latch 11 to the next position, resilient key 10 rotates back to 90 °, relies on the power of spring that the conicle of latch 11 front ends is inserted in the locating hole on the index dial 3.Left side lock dog 16, right lock dog 17 all are contained in casing 1 hole vertical with main shaft, cooperate to be H8/d7.The position that they contact with main shaft is the curved surface that fits like a glove with the main shaft external diameter, and the double-screw bolt cylindrical of the endoporus of left lock dog 16 and clamping screw 14 is a matched in clearance, and the double-screw bolt of clamping screw 14 is contained in the screw of right lock dog 17.Utilize locking pin 13 rotation lock bolts 14, its big cylindrical shaft shoulder forces left lock dog 16 and right lock dog 17 relative motions, steps up or unclamps main shaft.Can not cause damage and step up reliable when therefore clamping the main shaft surface.At the bottom of casing 1 base plate parallel with main shaft and the effect in top 4 holes be this indexing mechanism to be fixed on use on its end lathe.Lid 15 is screwed on casing 1.The mandrel of the different parts of clamping or the taper shank of anchor clamps are contained in the corresponding tapering taper hole of front-end of spindle, and the screw that utilizes taper shank not hold is fixed on mandrel or anchor clamps on the main shaft with shelves pad, the nut of stud pull bar by main shaft mesopore and rear-end of spindle.Accompanying drawing is drawn by People's Republic of China's mechanical drawing standard, and the matchmark in the literary composition is seen the relevant tolerance fit standard of the People's Republic of China (PRC).

Claims

1. simple indexing mechanism, it comprises casing, main shaft, index dial, rocking arm, bolt device, locking device, it is characterized in that: main shaft (2) is contained in the corresponding aperture on casing (1) top, index dial (3) is fixed on casing (1) rear end, and index dial (3) position can change in certain angle around main shaft (2) axial line; Rocking arm is contained in main shaft (2) rear end, bolt device utilizes the groove of plug housing (7) and rocker arm bracket (4) to be contained on the rocker arm bracket (4); rocker arm bracket (4) can be regulated apart from the distance of main shaft (2) axial line, the latch of bolt device (11) can along main shaft (2) axis direction move in case make that the conicle of latch (11) front end can both insert or withdraw from index dial (3) accurately respectively organize halving hole; Handle (5) is fixed on an end of rocker arm bracket (4), and the locking device that is distributed in main shaft (2) front and back position can be locked main shaft (2) and be unclamped, and lid (15) is screwed on casing (1); The conelet degree taper hole of main shaft (2) front end can connect with the taper shank of the different part clamps of clamping.

2. simple indexing mechanism as claimed in claim 1 is characterized in that: described main shaft (2) is H7/g6 with cooperating of casing (1) upper hole, the base plate of casing (1) and spindle hole axis parallel.

3. simple indexing mechanism as claimed in claim 1, it is characterized in that: described index dial (3) is contained on coaxial cylinder of casing (1) rear end and spindle hole and the plane vertical with cylinder, with the arc groove that two bolts of loading onto packing ring pass respectively on the index dial (3) that index dial (3) is fixing, two arc grooves on the index dial (3) are coaxial and symmetrical with index dial (3) axial line, and it is the locating hole of the different five equilibriums at center with its axial line that the positive and negative of index dial (3) has many groups respectively.

4. simple indexing mechanism as claimed in claim 1, it is characterized in that: described rocker arm bracket (4) is contained on the cylinder and the cylinder shaft shoulder of main shaft (2) rear end, fixing with key and round nut (6), the size of the shaft shoulder that the end face that rocker arm bracket (4) contacts with the main shaft shaft shoulder contacts with the spindle hole end face to main shaft the place ahead is H8/f7 with the cooperating of length composition that casing (1) is gone up spindle mounting hole.

5. simple indexing mechanism as claimed in claim 1, it is characterized in that: the groove of flat and rocker arm bracket (4) one ends of described plug housing (7) outside cylinder is a matched in clearance, the position of plug housing (7) can change in groove, make latch (11) can be inserted into any one group of hole of index dial (3), plug housing (7) is fixed with nut (12).

6. simple indexing mechanism as claimed in claim 1, it is characterized in that: the conicle of described latch (11) front end cooperates with locating hole on the index dial (3), contact area is greater than 80%, it is H7/f6 that the big column of latch (11) cooperates with the endoporus of plug housing (7), shock mount (8) between the small column of latch (11) rear end and plug housing (7) endoporus, resilient key (10) passes the radial hole of latch (11) small column rear end and the groove on the plug housing (7), be contained in the corresponding aperture of latch handle (9), groove on the cylindrical of resilient key (10) and the plug housing (7) is a matched in clearance, and the endoporus of latch handle (9) and plug housing (7) rear end cylindrical are matched in clearance.

7. simple indexing mechanism as claimed in claim 1 is characterized in that: left lock dog (16), right lock dog (17) all are contained in casing (1) hole vertical with main shaft (2), cooperate to be H8/d7; The position that left side lock dog (16), right lock dog (17) contact with main shaft (2) is the curved surface that fits like a glove with main shaft (2) external diameter, the endoporus of left side lock dog (16) and the double-screw bolt cylindrical of clamping screw (14) are matched in clearance, and the double-screw bolt of clamping screw (14) is contained in the screw of right lock dog (17).