CN203265380U

CN203265380U - Cantilever embedded block type punch die

Info

Publication number: CN203265380U
Application number: CN 201320280096
Authority: CN
Inventors: 许连辅
Original assignee: Harbin Jiancheng Group Co Ltd
Current assignee: Harbin Jiancheng Group Co Ltd
Priority date: 2013-05-22
Filing date: 2013-05-22
Publication date: 2013-11-06
Anticipated expiration: 2023-05-22

Abstract

The utility model relates to a cantilever embedded block type punch die and belongs to the technical field of machining punching. The cantilever embedded block type punch die solves the problem that a common plane punch die can not punch multiple opposite holes in the two lateral faces of a groove type workpiece. The punch die comprises a lower die seat, a female die fixing sleeve, a material returning board, an upper die seat, a die handle, a male die fixing board, two guiding sleeves, two guiding pillars, two positioning pins, multiple embedded block female dies, multiple male dies and multiple fixing pins. The lower die seat and the upper die seat are rectangular boards, and the female die fixing sleeve, the material returning board and the male die fixing board are semi-circular-ring blocks. The embedded block female dies are annular sleeves, the inner lateral face of the female die fixing sleeve is machined with a semi-circular-ring-shaped boss, the two sides, close to the semi-circular-ring-shaped boss, of the female fixing sleeve are symmetrically provided with the positioning pins respectively, and each first counter bore is internally provided with one embedded block female die.

Description

A kind of cantilever block insert type punching die

Technical field

The utility model relates to a kind of cantilever block insert type punching die.

Background technology

Punching press is a kind of process of machining, is that the working pressure machine pressurizes to metal blank by mould, makes it produce plastic deformation, thereby obtains the part of definite shape, size and performance, and it is one of processing method important in machine-building.The part kind of utilizing process for stamping to produce is a lot, and its forming method is also varied, by moulding operation kind, sums up minute two large classes, and the one, separation circuit, the 2nd, molding procedure.Separation circuit comprises blanking, punching, otch, dissects, deburring etc., and required part blanking, is gone out the hole of required form punching on workpiece under the plate upper punch.

In prior art, semi-ring grooved spare is by the whole compacting of a block plate, form a semi-ring grooved spare, then rush respectively relative hole on half circle groove two sides, can not a plurality of relative holes, jet-bedding type workpiece two sides with the common plane punch die, also not having in prior art can head it off.

The utility model content

The utility model for solve with the common plane punch die can not jet-bedding type workpiece the problem in a plurality of relative holes, two sides, and then provide a kind of cantilever block insert type punching die.

the utility model is to solve the problems of the technologies described above the technical scheme of taking to be: described punching die comprises die shoe, die fixed cover, stripper, upper bolster, die shank, punch retainer, two guide pin bushings, two guide pillars, two alignment pins, a plurality of die of inserting, a plurality of punch and a plurality of steady pins, die shoe and upper bolster are rectangular slab, the die fixed cover, stripper and punch retainer are the semicircular ring piece, the die of inserting is annulus, the medial surface of die fixed cover is processed with the semicircle annular boss, and the center line of semicircle annular boss overlaps with the center line of die fixed cover, bilateral symmetry near the semicircle annular boss is provided with an alignment pin, evenly be processed with a plurality of the first unthreaded holes near lateral surface along the semi-circumference direction on the die fixed cover, the upper surface of die fixed cover is processed with a plurality of the first counterbores vertically, a plurality of the first counterbores are positioned on same semi-circumference and evenly and distribute, the die of inserting is installed in each first counterbore, the outside diameter of punch retainer equates with the long limit of upper bolster, the upper surface of punch retainer is processed with a plurality of the second counterbores vertically, a plurality of the second counterbores be positioned on same semi-circumference and all with distribute, on punch retainer, the center line of the center line of each the second counterbore each first counterbore on the distance in the punch retainer center of circle and the die fixed cover equates to the distance in the die fixed cover center of circle, in each second counterbore, correspondence is provided with a punch,

die shank is fixed on the centerline of upper bolster, punch retainer is arranged on the lower surface of upper bolster, and the parallel sided at place, the long limit of the end face of punch retainer and upper bolster, the upper surface of punch retainer and the lower surface of upper bolster are fixed, the top symmetry of two guide pin bushings vertically is fixedly installed on the upper surface of upper bolster, stripper is fixed on the upper surface of die fixed cover, stripper and the overlapping setting of aliging of die fixed cover, the die fixed cover is fixedly installed on the upper surface of die shoe, and the parallel sided at place, the long limit of two end faces of die fixed cover and die shoe, be positioned on the die shoe of the stripper of die fixed cover upper surface and lower surface and correspondingly respectively be processed with second unthreaded hole corresponding with each the first unthreaded hole, and the equal diameters of the first unthreaded hole and the second unthreaded hole, be positioned on the stripper of die fixed cover upper surface and be processed with three unthreaded hole corresponding with the first counterbore, be provided with a steady pin in each second unthreaded hole of each first unthreaded hole and correspondence, punch retainer is arranged on the top of stripper, and each punch is arranged in the 3rd corresponding unthreaded hole, be provided with a guide pillar in each guide pin bushing, and the lower end of guide pillar is fixed on die shoe.

The utlity model has following beneficial effect: the utility model can double rushes respectively a plurality of relative holes on ring-groove-type spare two sides, and operating rate is fast, and the precision in relative hole is more accurate, the utlity model has the saving cost, simple in structure, usability is strong, dismounting and characteristics easy to maintenance.

Description of drawings

Fig. 1 is that the utility model overall structure master looks cutaway view, Fig. 2 is the side view of Fig. 1, Fig. 3 is the front view that the utility model punch 5, die shank 7, punch retainer 8 and two guide pin bushings 9 are arranged on upper bolster 6, Fig. 4 is the side view of Fig. 3, Fig. 5 is the top view of Fig. 3, the front view that Fig. 6 is the utility model die fixed cover 2, insert die and stripper 4 are arranged on die shoe 1, Fig. 7 is the top view of Fig. 6, Fig. 8 is the front view of die fixed cover 2, Fig. 9 is the top view of Fig. 8, Figure 10 is the front view of to be processed, and Figure 11 is the side view of Figure 10.

The specific embodiment

the specific embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 9, the described a kind of cantilever block insert type punching die of present embodiment, described punching die comprise die shoe 1, die fixed cover 2, stripper 4, upper bolster 6, die shank 7, punch retainer 8, two guide pin bushings 9, two guide pillars 10, two alignment pins 11, a plurality of die 3 of inserting, a plurality of punch 5 and a plurality of steady pins 12, die shoe 1 and upper bolster 6 are rectangular slab, die fixed cover 2, stripper 4 and punch retainer 8 are the semicircular ring piece, the die 3 of inserting is annulus, the medial surface of die fixed cover 2 is processed with semicircle annular boss 2-2, and the center line of semicircle annular boss 2-2 overlaps with the center line of die fixed cover 2, bilateral symmetry near semicircle annular boss 2-2 is provided with an alignment pin 11, evenly be processed with a plurality of the first unthreaded hole 2-1 near lateral surface along the semi-circumference direction on die fixed cover 2, the upper surface of die fixed cover 2 is processed with a plurality of the first counterbore 2-3 vertically, a plurality of the first counterbore 2-3 are positioned on same semi-circumference and evenly and distribute, the die 3 of inserting is installed in each first counterbore 2-3, the outside diameter of punch retainer 8 equates with the long limit of upper bolster 6, the upper surface of punch retainer 8 is processed with a plurality of the second counterbore 8-1 vertically, a plurality of the second counterbore 8-1 be positioned on same semi-circumference and all with distribute, on punch retainer 8, the center line of the center line of each the second counterbore 8-1 each first counterbore 2-3 on the distance in punch retainer 8 centers of circle and the die fixed cover 2 equates to the distance in die fixed cover 2 centers of circle, in each second counterbore 8-1, correspondence is provided with a punch 5,

die shank 7 is fixed on the centerline of upper bolster 6, punch retainer 8 is arranged on the lower surface of upper bolster 6, and the end face of punch retainer 8 and upper bolster 6 are grown the parallel sided at places, limit, the lower surface of the upper surface of punch retainer 8 and upper bolster 6 is fixed, the top symmetry of two guide pin bushings 9 vertically is fixedly installed on the upper surface of upper bolster 6, stripper 4 is fixed on the upper surface of die fixed cover 2, stripper 4 and the overlapping setting of aliging of die fixed cover 2, die fixed cover 2 is fixedly installed on the upper surface of die shoe 1, and the parallel sided at two end faces of die fixed cover 2 and die shoe 1 place, long limit, be positioned on the die shoe 1 of the stripper 4 of die fixed cover 2 upper surfaces and lower surface and correspondingly respectively be processed with the second unthreaded hole 1-1 corresponding with each the first unthreaded hole 2-1, and the equal diameters of the first unthreaded hole 2-1 and the second unthreaded hole 1-1, be positioned on the stripper 4 of die fixed cover 2 upper surfaces and be processed with the three unthreaded hole 4-1 corresponding with the first counterbore 2-3, be provided with a steady pin 12 in each second unthreaded hole 1-1 of each first unthreaded hole 2-1 and correspondence, punch retainer 8 is arranged on the top of stripper 4, and each punch 5 is arranged in the 3rd corresponding unthreaded hole 4-1, be provided with a guide pillar 10 in each guide pin bushing 9, and the lower end of guide pillar 10 is fixed on die shoe 1.

The specific embodiment two: present embodiment is described in conjunction with Fig. 1-Fig. 9, the described a kind of cantilever block insert type punching die of present embodiment, described number of inserting die 3 and punch 5 is five, angle r between two punch 5 of arbitrary neighborhood is 36 °, the number of described the first unthreaded hole 2-1 is three, and other is identical with the specific embodiment one.

The specific embodiment three: present embodiment is described in conjunction with Fig. 1-Fig. 7, the described a kind of cantilever block insert type punching die of present embodiment, described punching die also comprises a plurality of bolts 13, die shoe 1 is all fixed by a plurality of bolts 13 with stripper 4 with punch retainer 8 and die fixed cover 2 with die fixed cover 2, upper bolster 6, and other is identical with the specific embodiment one.

The specific embodiment four: in conjunction with Fig. 1, present embodiment is described, the described a kind of cantilever block insert type punching die of present embodiment, die 3 interference fit of inserting are arranged in the first counterbore 2-3, and other is identical with the specific embodiment one.

Operation principle:

mould die shank 7 is fixed with external tool, to leave distance between upper bolster 6 and die shoe 1, with Figure 10, in Figure 11, two of semi-ring grooved spare 16 to be processed side plates are separately positioned on the above and below of semicircle annular boss 2-2, the groove bottom of semi-ring grooved spare 16 is arranged near boss 2-2, the left end face of semi-ring grooved spare 16 positions by the alignment pin 11 in die fixed cover 2 left sides, the guide pin bushing 9 that drives on die shank 7 by external tool moves downward along guide pillar 10, side plate by 5 pairs of punch half ring-groove-type spare 16 upper ends carries out punching press, afterwards semi-ring grooved spare 16 levels are taken out, 180 ° of two the side plate upper-lower positions with semi-ring grooved spare 16 that overturn are exchanged, the unprocessed side plate of semi-ring grooved spare 16 is arranged on the upper surface of boss 2-2, the side plate of having processed is arranged on the below of boss 2-2, the groove bottom of semi-ring grooved spare 16 is arranged near boss 2-2, the its right end face of semi-ring grooved spare 16 positions by the alignment pin 11 on die fixed cover 2 right sides, driving die shank 7 by the equipment slide block makes guide pin bushing 9 move downward along guide pillar 10, carry out punching press by 5 pairs of half ring-groove-type spares of punch, the complete rear taking-up semi-ring grooved spare of workpiece two-sided hole punching.

Claims

1. cantilever block insert type punching die, it is characterized in that: described punching die comprises die shoe (1), die fixed cover (2), stripper (4), upper bolster (6), die shank (7), punch retainer (8), two guide pin bushings (9), two guide pillars (10), two alignment pins (11), a plurality of die of inserting (3), a plurality of punch (5) and a plurality of steady pin (12), die shoe (1) and upper bolster (6) are rectangular slab, die fixed cover (2), stripper (4) and punch retainer (8) are the semicircular ring piece, the die (3) of inserting is annulus, the medial surface of die fixed cover (2) is processed with semicircle annular boss (2-2), and the center line of semicircle annular boss (2-2) overlaps with the center line of die fixed cover (2), bilateral symmetry near semicircle annular boss (2-2) is provided with an alignment pin (11), die fixed cover (2) is upper evenly is processed with a plurality of the first unthreaded holes (2-1) near lateral surface along the semi-circumference direction, the upper surface of die fixed cover (2) is processed with a plurality of the first counterbores (2-3) vertically, a plurality of the first counterbores (2-3) are positioned on same semi-circumference and evenly and distribute, in each first counterbore (2-3), the die of inserting (3) is installed, the outside diameter of punch retainer (8) equates with the long limit of upper bolster (6), the upper surface of punch retainer (8) is processed with a plurality of the second counterbores (8-1) vertically, a plurality of the second counterbores (8-1) be positioned on same semi-circumference and all with distribute, the center line of upper each the second counterbore (8-1) of punch retainer (8) is gone up each the first counterbore (2-3) to the distance in punch retainer (8) center of circle and die fixed cover (2) center line equates to the distance in die fixed cover (2) center of circle, the interior correspondence of each the second counterbore (8-1) is provided with a punch (5),

die shank (7) is fixed on the centerline of upper bolster (6), punch retainer (8) is arranged on the lower surface of upper bolster (6), and the parallel sided at place, the long limit of the end face of punch retainer (8) and upper bolster (6), the lower surface of the upper surface of punch retainer (8) and upper bolster (6) is fixed, the top symmetry of two guide pin bushings (9) vertically is fixedly installed on the upper surface of upper bolster (6), stripper (4) is fixed on the upper surface of die fixed cover (2), stripper (4) and the overlapping setting of aliging of die fixed cover (2), die fixed cover (2) is fixedly installed on the upper surface of die shoe (1), and the parallel sided at place, the long limit of two end faces of die fixed cover (2) and die shoe (1), being positioned on the die shoe (1) of the stripper (4) of die fixed cover (2) upper surface and lower surface respectively, correspondence is processed with second unthreaded hole (1-1) corresponding with each the first unthreaded hole (2-1), and the equal diameters of the first unthreaded hole (2-1) and the second unthreaded hole (1-1), be positioned on the stripper (4) of die fixed cover (2) upper surface and be processed with three unthreaded hole (4-1) corresponding with the first counterbore (2-3), be provided with a steady pin (12) in each second unthreaded hole (1-1) of each first unthreaded hole (2-1) and correspondence, punch retainer (8) is arranged on the top of stripper (4), and each punch (5) is arranged in corresponding the 3rd unthreaded hole (4-1), be provided with a guide pillar (10) in each guide pin bushing (9), and the lower end of guide pillar (10) is fixed on die shoe (1).

2. a kind of cantilever block insert type punching die according to claim 1, it is characterized in that: the number of the described die of inserting (3) and punch (5) is five, angle (r) between two the 3rd unthreaded holes of arbitrary neighborhood (4-1) is 36 °, and the number of described the first unthreaded hole (2-1) is three.

3. a kind of cantilever block insert type punching die according to claim 1, it is characterized in that: described punching die also comprises a plurality of bolts (13), and die shoe (1) is all fixed by a plurality of bolts (13) with stripper (4) with punch retainer (8) and die fixed cover (2) with die fixed cover (2), upper bolster (6).

4. a kind of cantilever block insert type punching die according to claim 1, it is characterized in that: the die of inserting (3) interference fit is arranged in the first counterbore (2-3).