CN2178578Y

CN2178578Y - Graphite electrode awl thread boring, paring device

Info

Publication number: CN2178578Y
Application number: CN 93235068
Authority: CN
Inventors: 李乐平; 刘继清; 岳启明
Original assignee: LIANYUAN IRON AND STEEL GENERAL PLANT
Current assignee: LIANYUAN IRON AND STEEL GENERAL PLANT
Priority date: 1993-11-20
Filing date: 1993-11-20
Publication date: 1994-10-05
Anticipated expiration: 2003-11-20

Abstract

The utility model relates to a graphite electrode awl thread boring, paring device, composed of a connecting sleeve 14, a slide shaft 7, a basal body 21, and a boring tool holder 35. The graphite electrode awl thread boring, paring device is arranged on a common lathe and can realize the hole drilling, the end surface scraping, the awl hole boring and the awl thread boring of a recovery electrode according to different needs. The utility model has the advantages of simple structure, easy fabrication, low cost, and convenient use. The utility model is suitable for each electric furnace steel plant.

Description

Graphite electrode awl thread boring, paring device

The utility model is a kind of graphite electrode taper thread borer.

Along with the development of electric furnace steel making cause, employed graphite electrode quantity is also increasing in recent years, but owing to waste steel quality difference and equipment and the operational reason used, causes the graphite electrode phenomenon that fractures very serious, consumes very high.For this reason, domestic many electric furnace factory has all begun the recovery electrode scrap, and carries out processing and utilization, has obtained certain economic benefits.Yet existing electrode truning fixture but is difficult to process taper thread, and with workpiece rotation mode machining screw, inconvenient operation has brought very big difficulty for the processing and utilization of electrode scrap.

The purpose of this utility model provides a kind of graphite electrode taper thread borer, to realize reclaiming boring, scraping end surface, boring taper hole, the boring conessi of electrode.

Solution of the present utility model is that it is formed, and be installed on the engine lathe by coupling sleeve 14, slide-bar 7, matrix 21, boring tool holder 35.

The utlity model has simple in structurely, easy to manufacture, cost is low, advantage easy to use, and remarkable in economical benefits, one has 2 60 tons of electric furnaces, use diameter to be the 500mm electrode, produce the factory of 300,000 tons of electric steel per year, year wound economic benefit is more than 2,000,000 yuan.

Below in conjunction with accompanying drawing the utility model is described in detail.

Fig. 1 is a sectional structure schematic diagram of the present utility model.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the slide-bar schematic diagram.

Fig. 4 is the cutaway view of Fig. 3.

Fig. 5 is the front view of slide plate.

Fig. 6 is the left view of slide plate.

Fig. 7 is the knife rest front view.

Fig. 8 is the left view of knife rest.

Fig. 9 is the schematic diagram of sliding pin.

Figure 10 is the schematic diagram of slide core.

Figure 11 is the cutaway view of Figure 10.

Wherein Fig. 1 is the specification digest accompanying drawing.

This also is embodiment of the present utility model.

See Fig. 1 .2,3,4,5,6,7,8,9,10,11, graphite electrode taper thread borer is made up of coupling sleeve 14, slide-bar 7, matrix 21 and boring tool holder 35, said coupling sleeve 14 is made up of tapered sleeve 18, feather key 16, screw 15, pressure ring 20 and gland 19, concrete structure is that the central authorities of tapered sleeve 18 are a cylindrical cavity, the one end is equipped with feather key 16 and screw 15, outer surface is fixed with pressure ring 20 and gland 19, lathe spindle 17 makes lathe spindle 17 drive coupling sleeve 14 runnings by being threaded in the gland 19; The big end of slide-bar 7 is a flat body, the one side of flat body has skewed slot 23, the tapering of skewed slot 23 equals half of required machining screw tapering, axis projection length greater than taper thread length with cut out surplus with, the small end of slide-bar 7 is a cylinder, have

chute

37,38 on it, leave distance between the

chute

37,38, the length of

chute

37,38 is greater than the length of skewed slot 23, the chute 37 of slide-bar 7 is inserted in the cylindrical cavity of tapered sleeve 18, the feather key 16 of tapered sleeve 18 is packed in the chute 37, and feather key 16 can move around along chute 37.

Matrix 21 is by bearing block 4, bearing 5,10, long cover 8, thrust bearing 9, bearing cap 11 and hollow spindle 6 are formed, the outer surface of hollow spindle 6 is equipped with bearing block 4, its two end is fixed on the bearing cap 11 by screw, bearing 5 is housed in the cavity of

bearing block

4,10, long cover 8 and thrust bearing 9, one end of hollow spindle 6 is a baffle plate 34, the other end is equipped with feather key 12 and screw 13, chute 38 on the slide-bar 7 and skewed slot 23 are inserted in the hollow spindle 6, the feather key 12 of hollow spindle 6 is packed in the chute 38, and can move around along chute 38, matrix 21 is fixed on the lathe middle carriage, therefore by screw 22, can move with saddle, realize axial feed.

Boring tool holder 35 is by slide 32, slide plate 30, knife rest 29, positive panel 33, oblique panel 28, knife bar 27 and cutter 3 are formed, slide 32 is fixed on the baffle plate 34 of hollow spindle 6 by screw, slide plate 30 is installed near slide 32, one end of pressing plate 31 is put into the groove of slide plate 30, the other end is fixed on the slide 32 by screw, insert positive panel 33 therebetween, knife rest 29 is inserted in the slide plate 30, and between knife rest 29 and slide plate 30, insert oblique panel 28, knife bar 27 is fixed on the knife rest 29 by screw, and cutter 3 is fixed on the knife bar 27 by cutter groove 36, and the cutter 3 here also can be cutter 1 or cutter 2, according to needs of the present utility model, slide plate 30 and knife rest 29 all have flat hole, and slide plate 30 and knife rest 29 are packed into by flat hole in the slide-bar 7, and slide plate 30 has pin-and-hole, insert sliding pin 26 in the pin-and-hole, the front end of sliding pin 26 is equipped with slide core, and slide core is inserted in the skewed slot 23, adjusts screw rod 25 by being threaded into the lower end of knife rest 29, adjusting on the screw rod 25 has arm-tie 24, and arm-tie 24 is pressed on the slide plate 30.Owing to the utlity model has above-mentioned structure, thus therefore can electrode be holed to reclaiming, scraping end surface, boring taper hole, boring conessi realize the comprehensive utilization of electrode.

Operation sequence: as required, change different cutters, in case of necessity, finely tune by adjusting screw rod 25.

1, tighten screw 13, unclamp screw 15, at this moment, slide-bar 7 moves with saddle, and lathe spindle 17 drives slide-bars 7 rotations by coupling sleeve 14, and its cutter just can be realized boring, the scraping end surface of electrode.

2, tighten screw 15, unclamp screw 13, when saddle is done axial feed, 7 of slide-bars are with lathe spindle 17 rotations, sliding pin 26 on the boring tool holder 35 moves in the skewed slot 23 of slide-bar 7, make cutter 3 along with the axial feed of saddle is realized moving radially, bore needed taper thread and taper bottom outlet.

Claims

1, a kind of graphite electrode taper thread borer, it is characterized in that forming by coupling sleeve 14 slide-bars (7), matrix (21) and boring tool holder (35), said coupling sleeve (14) is made up of tapered sleeve (18), feather key (16), screw 15, pressure ring (20) and gland (19), the central authorities of tapered sleeve (18) are a cylindrical cavity, the one end is equipped with feather key (16) and screw (15), outer surface is fixed with pressure ring (20) and gland (19), and lathe spindle (17) is by being threaded in the gland (19); The big end of said slide-bar (7) is a flat body, have skewed slot (23) on the flat body, the small end of slide-bar (7) is a cylinder, has chute (37), (38) on it, chute (37) is inserted in the cylindrical cavity of tapered sleeve (18), and the feather key (16) of tapered sleeve (18) is packed in the chute (37); Said matrix (21) is by bearing block (4), bearing (5), (10), long cover (8), bearing cap (11) and hollow spindle (6) are formed, the outer surface of hollow spindle (6) is equipped with bearing block (4), its two end is fixed on the bearing cap (11) by screw, bearing (5) is housed in the cavity of bearing block (4), (10), long cover (8), one end of hollow spindle (6) is baffle plate (34), chute (38) and skewed slot (23) that the other end is equipped with on feather key (12) and screw (13) slide-bar (7) are inserted in the hollow spindle (6), the feather key (12) of hollow spindle (6) is packed in the chute (38), and matrix (21) is fixed on the lathe middle carriage; Said boring tool holder (35) is by slide (32), slide plate (30), knife rest (29), positive panel (33), oblique panel (28), knife bar (27) and cutter (3) are formed, slide (32) is fixed on the baffle plate (34) of hollow spindle (6) by screw, slide plate (30) is installed near slide (32), one end of pressing plate (31) is put into the groove of slide plate (30), the other end is fixed on the slide (32), insert positive panel (33) therebetween, knife rest (29) is inserted in the slide plate (30), inserting oblique panel (28) knife bar (27) between knife rest (29) and slide plate (30) is fixed on by screw on the knife rest (29), cutter (3) is fixed on the knife bar (27) by cutter groove (36), slide plate (30) and knife rest (29) all have flat hole, and pack in the slide-bar (7) by flat hole, slide plate (30) has pin-and-hole, insert sliding pin (26) in the pin-and-hole, the front end of sliding pin (26) is equipped with slide core, and slide core is inserted in the skewed slot (23).

2, graphite electrode taper thread borer according to claim 1, the tapering that it is characterized in that skewed slot (23) equals half of required machining screw tapering, axis projection length greater than taper thread length with cut out surplus with.

3, graphite electrode taper thread borer according to claim 1 and 2 is characterized in that the length of the length of chute (37), (38) greater than skewed slot (23).

4, graphite electrode taper thread borer according to claim 1 is characterized in that adjusting screw rod (25) by being threaded into the lower end of knife rest (29), and adjusting on the screw rod (25) has arm-tie (24), and arm-tie (24) is pressed on the slide plate (30).