CN203426262U

CN203426262U - Special die for deburring of pin holes in bearing retainer workpieces

Info

Publication number: CN203426262U
Application number: CN201320343081.6U
Authority: CN
Inventors: 田天贺; 王学景; 何志明
Original assignee: LIAOCHENG RENHE FINE BEARING CO Ltd
Current assignee: Liaocheng righteousness Bearing Fittings Co., Ltd.
Priority date: 2013-06-17
Filing date: 2013-06-17
Publication date: 2014-02-12
Anticipated expiration: 2023-06-17

Abstract

The utility model provides a special die for deburring of pin holes in bearing retainer workpieces. A plurality of arc grooves (R) are uniformly distributed on the circumference of a plane of an upper die (5), are spaced by a plurality of corresponding punch pin holes (K2), and are matched with workpieces (G) correspondingly. A plurality of sliding column holes (H2) are uniformly distributed on the circumference of the plane of the upper die (5), the sliding column holes and corresponding upper bolt holes (M2) are arranged at intervals, the sliding column holes (H2) are internally equipped with sliding columns (8), and the sliding columns (8) can be inserted in bottom holes (H3) of the sliding columns on a lower die (6) to be fixed. Upper die bolts (3) are arranged inside the upper bolt holes (M2), and are connected with upper screw bolts (M) on a punch pin seat (2), a plurality of upper punch pin holes (K1) are uniformly distributed on the circumference of a plane of the punch pin seat (2), are corresponding to the punch pin holes (K2) of the upper die (5), and the holes are internally equipped with punch pins (4). The workpieces (G) are placed on the lower die (6), the upper die (5) presses downwards, the tip of each punch pin (4) is pressed on each pin hole of the workpieces (G), and burrs are flattened. The upper die (5) and the lower die (6) are high in fitting accuracy, the machining quality is good, and the production efficiency is high.

Description

A kind of bearing cage workpiece pin hole deburring particular manufacturing craft

Technical field

The utility model relates to bearing machining equipment, relates in particular to the equipment special of processing bearing retainer.

Background technology

Bearing cage is the important composition parts of bearing, the bearing cage of ball bearing is to form in the middle of steel ball being clamped in by upper and lower two, during assembling, need to upper and lower two bearing cages be connected and fixed with pin nail, so will be on periphery on bearing cage uniformly offer some pin holes.Original manufacture craft is gone out after pin hole, enters the operation of threading a needle, and often, owing to producing small pin hole burr in the process of red needle hole, burr concentrates on around the aperture of pin hole, can produce slight friction, efficiency and quality that impact is threaded a needle and followed closely when installing pin nail.Due to pin nail and pin hole all thinner, the burr that remove in pin hole is cumbersome.In current similar manufacturing procedure, still there is no the frock facility of special pin hole deburring.

Utility model content

The purpose of this utility model, just be to provide a kind of bearing cage workpiece and remove pin hole burr special tooling, rational in infrastructure, easy to use, coordinate effectively, reduce the phenomenon of threading a needle because of the impact of pin hole burr, meet the requirement of bearing cage workpiece process and assemble, improve crudy, reduce loss due to spoiled work, enhance productivity.

Task of the present utility model completes like this: design and produce a kind of bearing cage workpiece pin hole deburring particular manufacturing craft, to be coordinated with counterdie by patrix, the red needle being arranged by patrix flattens the pin hole burr that clamps the workpiece on counterdie, uniform some arc grooves in the planar circumferential of patrix, several red needle holes of corresponding interval, with the workpiece corresponding matching clamping, uniform several travellers hole in the planar circumferential of patrix, arrange with corresponding upper bolt hole interval, equipped traveller hypomere in traveller hole, equipped patrix bolt in upper bolt hole, be fastened in the upper screw of red needle seat.In the middle of red needle seat, uniform several upper punch pin holes in the planar circumferential of boss, corresponding with the red needle hole of patrix, installing red needle in hole.Uniform several end punchings in counterdie circumferential plane, corresponding with the red needle hole of patrix, several traveller bottom outlets uniformly at intervals in the circumferential plane of counterdie, the traveller inserting that connects patrix and red needle seat is located in the traveller bottom outlet of counterdie, with counterdie bolt, counterdie is fastened on die shoe.Patrix is short cylinder mould, is joint face above, is working face below, uniform several red needle holes in circumferential plane, the upper punch pin hole on corresponding red needle seat, equipped red needle.Red needle seat is the disc seat of boss in the middle of band, on disc seat around hole and upper screw on several travellers uniformly at intervals in the planar circumferential of boss, be equipped with respectively the screw rod end of traveller epimere and patrix bolt, traveller stage casing pocketed springs between patrix and red needle seat, patrix bolt spiral shell rod-end makeup nut, be fastened on red needle seat, upper punch pin hole is stepped hole, the epimere needle body of equipped red needle, red needle seat end face center has center screw, upper bolster center has centre bolt hole, inside joins centre bolt, and upper bolster and red needle seat are connected and fixed.Counterdie is flat cylindrical piece, and upper transverse plane is working face, and lower transverse plane is joint face, uniform several lower bolts hole in counterdie planar circumferential.Die shoe is hollow circular cylinder, and bottom is with the web of evagination, uniform several lower screws in hollow circular cylinder end face ring-type circumferential plane, counterdie bolt is installed in lower bolt hole and lower screw, counterdie is fixed on die shoe, and the traveller of patrix can be located in the traveller bottom outlet of counterdie in inserting.During practical application, upper bolster and die shoe are installed in respectively on the upper lower table of machining tool, with machinery support, when last process is placed to bearing cage workpiece on counterdie, the downward pressing of patrix, traveller hypomere inserts in the traveller bottom outlet of counterdie, workpiece embeds in the arc groove on patrix working face and agrees with, each red needle tip of patrix is pressed in respectively on each pin hole of workpiece, aperture burr is flattened, form smooth inclined-plane pin hole, then patrix lifts, workpiece break away from moulds, enters next procedure.Whole process is smooth, and productive temp is supporting.

According to technique scheme, implement, test, prove of the present utility model rational in infrastructure, compact, upper and lower coordination of processes is effective, machining accuracy is high, quality good, has effectively removed the burr of bearing cage workpiece pin hole, has reduced the phenomenon of threading a needle because of the impact of pin hole burr, improved yield rate, meet the requirement of workpiece process and assemble, improved production efficiency, reached preferably predeterminated target.

Accompanying drawing explanation

Fig. 1 is mated condition contour structures schematic diagram of the present utility model;

Fig. 2 is the whole cross-sectional view of Fig. 1;

Fig. 3 is the combining structure schematic diagram of the patrix 5 in Fig. 2;

Fig. 4 is that the A of Fig. 3 is to upward view;

Fig. 5 is the combining structure schematic diagram of the counterdie 6 in Fig. 2;

Fig. 6 is that the B of Fig. 5 is to top view.

In figure, 1-upper bolster, 2-red needle seat, 3-patrix bolt, 4-red needle, 5-patrix, 6-counterdie, 7-die shoe, 8-traveller, 9-spring, 10-centre bolt, 11-counterdie bolt; A-line of vision symbol, B-line of vision symbol, D-central through hole, G-workpiece, hole on H1-traveller, H2-traveller hole, H3-traveller bottom outlet, K1-upper punch pin hole, K2-red needle hole, the punching of K3-end, L1-lower bolt hole, L2-lower screw, M1-upper screw, M2-upper bolt hole, N-nut, R-arc groove, S1-centre bolt hole, S2-center screw.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is illustrated.

Consult Fig. 1, Fig. 2, patrix 5 connects red needle seat 2 by patrix bolt 3, by centre bolt 10, red needle seat 2 and upper bolster 1 is connected and fixed.Red needle seat 2 is fitted in respectively in the red needle hole K2 and traveller hole H2 of patrix 5 by red needle 4 and traveller 8, red needle 4 is pressed the pin hole that touches workpiece G, traveller 8 lower ends are inserted in the traveller bottom outlet H3 on counterdie 6, counterdie bolt 11 is installed in the lower bolt hole L1 of counterdie 6 and the lower screw L2 of die shoe 7, and counterdie 6 is connected and is fastened on die shoe 7.

Consult Fig. 3, Fig. 4, uniform several arc grooves R on the same circumference of lower end working face of patrix 5, interval corresponding red needle hole K2, uniform several travellers hole H2, uniformly at intervals several upper bolt hole M2 in the circumferential plane of arc groove R outer ring.Arc groove R fastens workpiece G, the in-built red needle 4 of undershoot pin hole K2, the cylinder of traveller hole H2 inner sleeve traveller 8, equipped patrix bolt 3 in upper bolt hole M2.Red needle seat 2 is step axle bed, offers hole H1 on traveller, upper punch pin hole K1, upper screw M1, is set with the screw rod of traveller 8 epimeres, red needle 4 epimeres, upper bolt 3, is connected with patrix 5.The center of upper bolster 1 has centre bolt hole S1, and red needle seat 2 end faces have center screw S2, and in-built centre bolt 10 is connected and fixed red needle seat 2 and upper bolster 1.

Consult Fig. 5, Fig. 6, have traveller bottom outlet K3 in counterdie 6 circumferential plane, end punching K3, lower bolt hole L1, have lower screw L2 on die shoe 7, corresponding with the lower bolt hole L1 of counterdie 6, and equipped counterdie bolt 11, is connected and fixed counterdie 6 and die shoe 7.

Adopt the utility model to carry out bearing cage workpiece pin hole deburring operation, workpiece G is placed on above counterdie 6, patrix 5 presses down, arc groove R on patrix 5 working faces is buckled in workpiece G and installs on the protrusion arc surface that steel ball uses, and traveller 8 hypomeres are inserted in the traveller bottom outlet H3 on counterdie 6 and locate.Patrix 5 is pressed in workpiece G on counterdie 6, and by the pin hole on the red needle 4 alignment pieces G of patrix 5, the most advanced and sophisticated position of red needle 4 flattens the burr of pin hole, makes the formation inclined-plane, aperture of pin hole, seamlessly transits, and is convenient to follow closely through pin.After processing like this, in workpiece G pin hole, install pin nail more smooth and easy, guaranteed the crudy of workpiece G, improved production efficiency, reduced waste product, saved manually, be suitable for producing in batch, there are good economic and social benefits.

Claims

1. a bearing cage workpiece pin hole deburring particular manufacturing craft, it is characterized in that being coordinated with counterdie (6) by patrix (5), the pin hole burr that the red needle (4) being arranged by patrix (5) will clamp the workpiece (G) on counterdie (6) flattens, uniform some arc grooves (R) in the planar circumferential of patrix (5), several red needle holes (K2) of corresponding interval, with the workpiece clamping (G) corresponding matching, uniform several travellers holes (H2) in the planar circumferential of patrix (5), arrange with corresponding upper bolt hole (M2) interval, equipped traveller (8) in traveller hole (H2), equipped patrix bolt (3) in upper bolt hole (M2), be fastened in the upper screw (M1) of red needle seat (2), uniform several upper punch pin holes (K1) in the planar circumferential of boss in the middle of red needle seat (2), corresponding with the red needle hole (K2) of patrix (5), installing red needle (4) in hole, uniform several end punchings (K3) in counterdie (6) circumferential plane, corresponding with the red needle hole (K2) of patrix (5), several traveller bottom outlets (H3) uniformly at intervals in counterdie (6) circumferential plane, connect traveller (8) inserting of patrix (5) and red needle seat (2) in the traveller bottom outlet (H3) of counterdie (6), counterdie bolt (11) is fastened on counterdie (6) on die shoe (7).

2. according to bearing cage workpiece pin hole deburring particular manufacturing craft claimed in claim 1, it is characterized in that described red needle seat (2) is for the disc seat of boss in the middle of band, on disc seat around hole (H1) and upper screw (M1) on several travellers uniformly at intervals in the planar circumferential of boss, be equipped with respectively the screw rod end of traveller (8) epimere and patrix bolt (3), traveller (8) stage casing pocketed springs (9) between patrix (5) and red needle seat (2), patrix bolt (3) spiral shell rod-end makeup nut (N), be fastened on red needle seat (2), upper punch pin hole (K1) is stepped hole, the epimere needle body of equipped red needle (4), red needle seat (2) end face center has center screw (S2), upper bolster (1) center has centre bolt hole (S1), inside join centre bolt (10), upper bolster (1) and red needle seat (2) are connected and fixed.

3. according to bearing cage workpiece pin hole deburring particular manufacturing craft claimed in claim 1, it is characterized in that described counterdie (6) is oblate cylinder, uniform several lower bolts hole (L1) in counterdie (6) planar circumferential, die shoe (7) is hollow circular cylinder, bottom is with the web of evagination, uniform several lower screws (L2) in hollow circular cylinder end face ring-type circumferential plane, counterdie bolt (11) is installed in lower bolt hole (L1) and lower screw (L2), counterdie (6) is fixed on die shoe (7), the traveller (8) of patrix (5), can inserting locate in the traveller bottom outlet (H3) of counterdie (6).