CN202367539U

CN202367539U - Equally divided turnplate

Info

Publication number: CN202367539U
Application number: CN2011204539111U
Authority: CN
Inventors: 孙奇春; 王国兵; 郭大元; 夏炳培
Original assignee: NINGGUO FEIYING AUTO SPARE PARTS CO Ltd
Current assignee: NINGGUO FEIYING AUTO SPARE PARTS CO Ltd
Priority date: 2011-11-16
Filing date: 2011-11-16
Publication date: 2012-08-08
Anticipated expiration: 2021-11-16

Abstract

The utility model discloses an equally divided turnplate, which comprises a base and a turnplate, a top fixed plate is provided with two through holes, a positioning pin-positioning supporting rod is mounted in the inner through hole, a positioning pin sleeve is mounted in the outer through hole, the lower end of the positioning pin-positioning supporting rod is articulated with a positioning pin-separating handle, a plurality of reserved holes are circumferentially evenly distributed on the turnplate, and correspond to the outer through hole of the top fixed plate, positioning blocks are mounted in the reserved holes, and a positioning pin is placed under the positioning blocks, runs through a spring, the positioning pin sleeve and the positioning pin-separating handle, and is fixed on the bottom of the positioning pin-separating handle by a nut. The equally divided turnplate is positioned by means of the cooperation between the positioning pin and the positioning blocks, and the positioning effect is good; since the reserved holes are circumferentially evenly distributed on the turnplate, the angle of each two neighboring positioning blocks is constant, and thereby accurate positioning is realized; the positioning pin-separating handle adopts the lever principle to separate the positioning pin; and the equally divided turnplate has a simple structure, and is convenient to operate.

Description

The equal portions rotating disk

Technical field

The utility model relates to a kind of machine tool accessories, relates in particular to a kind of equal portions rotating disk.

Background technology

As everyone knows, in using machine tooling, regular meeting runs into the workpiece that needs rotary processing.When this workpiece of processing, the normal processing method that adopts is the part in the first processing work, then workpiece is rotated, and processing another part is up to completion of processing.At present, this processing method is commonly used to this machine tool accessories of index dial.So-called index dial be exactly with piece-holder on chuck or two top, and make the machine tool accessories of its rotation, calibration and location.Mostly index dial now commonly used is the automatic indexing dish, can realize autonomous positioning of rotating, though production efficiency is high, is fit to large batch of workpiece processing, but that this index dial exists positioning accuracy is not high, needs often adjustment so that the elimination error.And, because the automatic indexing dish is automatic rotation,, can error be taken on the next processing stations when after a station bad student error, formed like this accumulated error is bigger, is unfavorable for the accurate processing of workpiece.

The utility model content

The purpose of the utility model is to provide a kind of equal portions rotating disk, and the not high problem of positioning accuracy when it has solved rotating machined workpiece has realized accurately location, rotating disk rotation back, has guaranteed machining accuracy, and is simultaneously simple to operate, easy to use.

The purpose of the utility model is to realize through following technical scheme:

A kind of equal portions rotating disk comprises base and rotating disk, and upper mounted plate, rotating disk and the dog chuck that rises are installed on the said base successively; Said rotating disk middle part is equipped with centration axis, and said centration axis lower end is equipped with centring sleeve and centring pin, and said centration axis is passed upper mounted plate and is connected with retaining mechanism through centring pin; The said dog chuck center of rising is placed with the taper compact heap and is connected with centration axis through bolt, has two through holes on the said upper mounted plate, in the said interior side through hole alignment pin positioning supports bar is installed; In the said outer side through hole set pin sleeve is installed; Said alignment pin positioning supports bar lower end is hinged with alignment pin and separates handle, is placed with spring in the said set pin sleeve, and annular is uniformly distributed with and has some preformed holes on the said rotating disk; And it is corresponding with the outer side through hole on the upper mounted plate; Said preformed hole is equipped with locating piece, and corresponding preformed hole place, said rotating disk upper end is equipped with equal portions piece briquetting through bolt, and said locating piece lower end is placed with alignment pin; Said alignment pin passes spring, set pin sleeve and alignment pin and separates handle, and is fixed on alignment pin separation handle bottom through nut.

Further, the said dog chuck middle part of rising has conical through-hole, and the bottom is the pawl positioning disk that rises; Have groove on the said pawl positioning disk that rises; Be installed with spring in the said groove, said groove upper ends has the pawl that rises that links to each other with spring, and the said pawl that rises is pressed on the pawl positioning disk that rises through compression plate.

Further, corresponding preformed hole place, said rotating disk side has the horizontal preformed groove that is uniformly distributed with.

Further, said preformed hole is 12.

The beneficial effect of the utility model does, said equal portions rotating disk, and it cooperates location, good positioning effect through alignment pin with locating piece; Adopt the preformed hole that annular is uniformly distributed with on the rotating disk, make that the angle between adjacent two locating pieces is constant, realized accurate location; Alignment pin separates the separation that handle employing lever principle has realized alignment pin, and is simple in structure, is convenient to operation; Whether corresponding preformed hole place, rotating disk side has the horizontal preformed groove that is uniformly distributed with, and cooperates with rotary handle, be convenient to the rotating disk rotation and observe locating piece move into place, and is easy to use.

Description of drawings

According to accompanying drawing and embodiment the utility model is done further explain below.

Fig. 1 is the structural representation of the said equal portions rotating disk of the utility model.

Among the figure:

1, base, 2, rotating disk, 3, upper mounted plate, 4, the dog chuck that rises, 5, centration axis, 6, centring sleeve; 7, centring pin, 8, retaining mechanism, 9, the taper compact heap, 10, interior side through hole, 11, outer side through hole, 12, alignment pin positioning supports bar; 13, set pin sleeve, 14, alignment pin separates handle, 15, spring, 16, preformed hole, 17, locating piece, 18, equal portions piece briquetting; 19, alignment pin, 20, nut, 21, conical through-hole, 22, the pawl positioning disk that rises, 23, groove; 24, the pawl that rises, 25, compression plate, 26, preformed groove, 27, bolt, 28, workpiece.

The specific embodiment

As shown in Figure 1, in present embodiment, said equal portions rotating disk; Comprise base 1 and rotating disk 2, upper mounted plate 3, rotating disk 2 and the dog chuck 4 that rises are installed on the said base 1 successively, said rotating disk 2 middle parts are equipped with centration axis 5; Said centration axis 5 lower ends are equipped with centring sleeve 6 and centring pin 7, and said centration axis 5 is passed upper mounted plate 3 and is connected with retaining mechanism 8 through centring pin 7, and said dog chuck 4 centers of rising are placed with taper compact heap 9 and are connected with centration axis 5 through bolt 27; Have two through

holes

10,11 on the said upper mounted plate 3; In the side through hole 10 alignment pin positioning supports bar 12 is installed in said, in the said outer side through hole 11 set pin sleeve 13 is installed, said alignment pin positioning supports bar 12 lower ends are hinged with alignment pin and separate handle 14; Be placed with spring 15 in the said set pin sleeve 13; Annular is uniformly distributed with and has some preformed holes 16 on the said rotating disk 2, and corresponding with the outer side through hole 11 on the upper mounted plate 3, and said preformed hole 16 is equipped with locating piece 17; Corresponding preformed hole place 16, said rotating disk 2 upper ends is equipped with equal portions piece briquetting 18 through bolt 27; Said locating piece 17 lower ends are placed with alignment pin 19, and said alignment pin 19 passes spring 15, set pin sleeve 13 and separates handle 14 with alignment pin, and are fixed on alignment pin separation handle 14 bottoms through nut 20.Said dog chuck 4 middle parts of rising have conical through-hole 21; The bottom is the pawl positioning disk 22 that rises; Have groove 23 on the said pawl positioning disk 22 that rises; Be installed with spring 15 in the said groove 23, said groove 23 upper ends have the pawl 24 that rises that links to each other with spring 15, and the said pawl 24 that rises is pressed on the pawl positioning disk 22 that rises through compression plate 25.Corresponding preformed hole 16 places, said rotating disk 2 sides have the horizontal preformed groove 26 that is uniformly distributed with.

Add man-hour,, stable through retaining mechanism 8 to guarantee centration axis 5 with centring pin 7 lockings; Workpiece 28 is socketed on the dog chuck 4 that rises, in conical through-hole 21, puts into taper compact heap 9, and locking downwards under the drive of bolt 27; When taper tightened piece 9 and moves downward, the pawl 24 that rises received taper to tighten the extruding of piece 9, and the elastic force that overcomes spring 15 is protruding; Workpiece 28 is blocked and is fastened on etc. on the piecemeal briquetting 18, begin processing then.

After process finishing, separate handle 14 to drop-down alignment pin, the elastic force that makes alignment pin 19 overcome set pin sleeve 13 inner springs 15 moves downward; And in locating piece 17, extract out, in preformed groove 26, insert rotary handle and rotary turnplate 2 then; After workpiece 28 rotated to next Working position, unclamp alignment pin and separate handle 14, make alignment pin 19 under the elastic force effect of set pin sleeve 13 inner springs 15, move upward; And insert in the locating piece 17, realize the location, proceed processing then.

After processing is all over, unclamp bolt 27 and take off taper compact heap 9, the pawl 24 that rises is simultaneously inwardly regained by the elastic force effect of spring 15 and is unclamped workpiece 28, takes out workpiece 28 and accomplishes process.

Said equal portions rotating disk, the not high problem of positioning accuracy when it has solved rotating machined workpiece has realized accurately location, rotating disk rotation back, has guaranteed machining accuracy, and is simultaneously simple to operate, easy to use.

Claims

1. equal portions rotating disk; Comprise base (1) and rotating disk (2); It is characterized in that: upper mounted plate (3), rotating disk (2) and the dog chuck that rises (4) are installed on the said base (1) successively, and said rotating disk (2) middle part is equipped with centration axis (5), and said centration axis (5) lower end is equipped with centring sleeve (6) and centring pin (7); Said centration axis (5) is passed upper mounted plate (3) and is connected with retaining mechanism (8) through centring pin (7); The said dog chuck that rises (4) center is placed with taper compact heap (9) and is connected with centration axis (5) through bolt (27), has two through holes (10,11) on the said upper mounted plate (3), in the said interior side through hole (10) alignment pin positioning supports bar (12) is installed; Set pin sleeve (13) is installed in the said outer side through hole (11); Said alignment pin positioning supports bar (12) lower end is hinged with alignment pin and separates handle (14), is placed with spring (15) in the said set pin sleeve (13), and the last annular of said rotating disk (2) is uniformly distributed with and has some preformed holes (16); And it is corresponding with the outer side through hole (11) on the upper mounted plate (3); Said preformed hole (16) is equipped with locating piece (17), and said rotating disk (2) the corresponding preformed hole in upper end (16) is located through bolt (27) equal portions piece briquetting (18) to be installed, and said locating piece (17) lower end is placed with alignment pin (19); Said alignment pin (19) passes spring (15), set pin sleeve (13) separates handle (14) with alignment pin, and is fixed on alignment pin separation handle (14) bottom through nut (20).

2. equal portions rotating disk according to claim 1; It is characterized in that: the said dog chuck that rises (4) middle part has conical through-hole (21); The bottom is to have groove (23) on the said pawl positioning disk (22) that rises by the pawl positioning disk (22) that rises, and is installed with spring (15) in the said groove (23); Said groove (23) upper ends has the pawl that rises (24) that links to each other with spring (15), and the said pawl that rises (24) is pressed on the pawl positioning disk (22) that rises through compression plate (25).

3. equal portions rotating disk according to claim 1 is characterized in that: the corresponding preformed hole in said rotating disk (2) side (16) locates to have the horizontal preformed groove (26) that is uniformly distributed with.

4. equal portions rotating disk according to claim 1 is characterized in that: said preformed hole (16) is 12.