CN103464571A

CN103464571A - Die structure for edge cutting and punching of pressure castings

Info

Publication number: CN103464571A
Application number: CN201310389362XA
Authority: CN
Inventors: 李涛
Original assignee: WUXI HONGQI MOTOR FITTINGS FACTORY
Current assignee: WUXI HONGQI MOTOR FITTINGS FACTORY
Priority date: 2013-09-02
Filing date: 2013-09-02
Publication date: 2013-12-25

Abstract

The invention relates to a die structure for edge cutting and punching of pressure castings. The die structure comprises an upper die set and a lower die set in mutual matched connection. The die structure is simple in structure and convenient to operate, edge cutting and punching on multiple pressure casting products can be completed simultaneously through the upper die set and the lower die set, removing of pressure casting product bodies and residues like feed ports and cinder ladle ports is effectively realized, punching of the pressure casting product bodies is realized, manual edge-cutting operation is effectively avoided, time and labor conservation is realized, and corporate input cost is greatly reduced.

Description

A kind of mould structure for die casting trimming and punching

Technical field

The present invention relates to the die casting tooling device, relate in particular to a kind of mould structure for die casting trimming and punching.

Background technology

At present, for the product as this multi-cavity mold of safety belt, after die cast, its charging aperture, cinder ladle mouth all are connected as a single entity with the die-cast product body, the residual methods such as above-mentioned charging aperture, cinder ladle mouth of removing are called trimming, tradition adopts the mode of artificial removal's trimming, the mode of this artificial trimming not only wastes time and energy, greatly improved the input cost of enterprise, and follow-uply also need that this die-cast product is reentered to diel and carry out punching, complex steps, not only affect enterprise's manufacturing schedule and the production schedule, also affected the production efficiency of enterprise.

Summary of the invention

The applicant is for above-mentioned existing issue, be studied improvement, a kind of mould structure for die casting trimming and punching simple in structure, easy and simple to handle is provided, not only effectively realize the removal that die-cast product body and charging aperture, cinder ladle mouth etc. are residual, also realized the punch work to the die-cast product body simultaneously.

The technical solution adopted in the present invention is as follows:

A kind of mould structure for die casting trimming and punching, comprise the upper module and the lower module that are connected each other;

The structure of described upper module is: bag expands cope match-plate pattern, described cope match-plate pattern and the first concave template are affixed, a plurality of rubbers of sequence unit and patrix block hitting between described cope match-plate pattern and the first concave template, one end of described rubber and an end of patrix block hitting be butt each other, the other end of described rubber and cope match-plate pattern butt, the other end through-going device of described patrix block hitting is in described the first concave template inside; The two ends that are positioned at described cope match-plate pattern bottom are the symmetrical mounting fairlead also;

The structure of described lower module is: comprise lower bolster, the top affixed backing plate fixed head of order and second concave template of described lower bolster, the symmetrical affixed feet in the bottom of lower bolster, a plurality of backing-out punch of device between two feets, one end device of described backing-out punch transmits bar, connection backing plate and fixed head are sequentially run through in the end of described transmission bar, many red needles run through described fixed head and are connected with the counterdie block hitting between fixed head and the second concave template, and described counterdie block hitting through-going device is in the second concave template inside; The two ends that are positioned at described lower bolster top are symmetrical mounting guide post and limited post also.

Its further technical scheme is:

Backing-out punch comprises one group of iron plate, between described iron plate, installs rubber, and described iron plate, rubber are circle.

Beneficial effect of the present invention is as follows:

The present invention is simple in structure, easy to operate, by can completing of upper module and lower module simultaneously, trimming and the punching of a plurality of die-cast products are moved, effectively realized the removal that die-cast product body and charging aperture, cinder ladle mouth etc. are residual, also realized the punch work to the die-cast product body simultaneously, effectively avoided adopting the work of artificial trimming in the past, time saving and energy saving, greatly reduced the input cost of enterprise.

The accompanying drawing explanation

Fig. 1 is that bar of the present invention is pricked and Ei purchases schematic diagram.

Fig. 2 is front view of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.

As shown in Figure 1 and Figure 2, the present invention includes upper module and the lower module be connected each other;

The structure of upper module is: comprise cope match-plate pattern 3, have the first screw mounting hole 303 and the first locating hole 302 on cope match-plate pattern 3, have the second locating hole 603 and the second screw mounting hole 601 on the first concave template 6, by screw 1 and the first screw mounting hole 303, the second screw mounting hole 601, the first locating hole 302 and the second locating hole 603 are affixed by cope match-plate pattern 3 and the first concave template 6, a plurality of rubbers 4 of sequence unit and patrix block hitting 5 between cope match-plate pattern 3 and the first concave template 6, one end of described rubber 4 and an end of patrix block hitting 5 be butt each other, the other end of rubber 4 and cope match-plate pattern 3 butts, in the first block hitting installing hole 602 of the other end through-going device of patrix block hitting 5 on described the first concave template 6, fairlead 7 is arranged symmetrically with and is installed in the fairlead installing hole 301 had on cope match-plate pattern 3.

The structure of lower module is: comprise lower bolster 16, backing plate 15, fixed head 12 and the second concave template 9, have the 3rd screw mounting hole 1603 on lower bolster 16, have the 4th screw mounting hole 1502 on backing plate 15, have the 5th screw mounting hole 1202 on fixed head 12, have the 6th screw mounting hole 901 on the second concave template 9, by screw 1 and the 3rd screw mounting hole 1603, the 4th screw mounting hole 1502, the 5th screw mounting hole 1202, the 6th screw mounting hole 901 is by backing plate 15, fixed head 12 and the second concave template 9 are affixed with lower bolster 16, as shown in Figure 1, the symmetrical affixed feet 18 of screw 1 is also passed through in bottom at lower bolster 16, between two feets 18 by a plurality of backing-out punch are set, backing-out punch comprises one group of iron plate 1701, device rubber 4 between described iron plate 1701, iron plate 1701, rubber 4 is circle, circle centre position at iron plate 1701 and rubber 4 has the installing hole run through for screw, by above-mentioned installing hole, that the bottom of backing-out punch and lower bolster is affixed, one end of many transmission bars 19 is connected with the iron plate 1701 that is positioned at rubber 4 tops, the other end runs through respectively first of lower bolster 16 and transmits bar installing hole 1605, second of backing plate 15 transmits bar installing hole 1503, on fixed head 12 the 3rd transmits bar installing hole 1203, and the end face butt of the counterdie block hitting 10 in the second block hitting installing hole 902 that is installed on the second concave template 9, between fixed head 12 and backing plate 15, many red needles 13 also are set, one end of red needle 13 sequentially runs through the first red needle installing hole 1204 of fixed head 12 and stretches into the second red needle installing hole 1001 of counterdie block hitting 10.Also have guide post installing hole 1601 and limited post installing hole 1602 on lower bolster 16, guide post 11 symmetrical mountings coordinate in guide post installing hole 1601 and with above-mentioned fairlead 7, and limited post 14 is installed in limited post installing hole 1602.

The present invention is as follows to the course of work:

As Fig. 1, shown in Fig. 2, die casting 8 is placed in to the top of counterdie block hitting 10, then by apparatus of the present invention on the hydraulic press (not shown), by hydraulic press, drive module to move downward, because rubber 4 carries out the precompressed contraction when mounted, press down in process, rubber 4 release pressure elongations, drive the surperficial butt of patrix block hitting 5 and die casting 8, after butt, counterdie block hitting 10 is exerted pressure downwards with an end in contact of transmitting bar 19, make the other end that transmits bar 19 compress rubber 4 contractions in backing-out punch, when above-mentioned rubber 4 is carried to limit contraction state, counterdie block hitting 10 is lower than red needle 13, run through that red needle 13 in counterdie block hitting 10 is stretched out and with die casting 8 butts, the die casting 8 of pressurized forms punching under the effect of red needle 13, then hydraulic press continues to press down, due to the rubber 4 of the above-mentioned backing-out punch contraction state that reaches capacity, and counterdie block hitting 10 can't continue to press down, thereby make the charging aperture of 5 pairs of die castings 8 of patrix block hitting, cinder ladles etc. are residual carries out trimming work, after the trimming end-of-job, hydraulic press touching limit switch, oppositely shrink, rubber 4 in backing-out punch is affected by convergent force to stretch out, and by transmitting bar 19, counterdie block hitting 5 ejects die casting 8.

Above description is explanation of the invention, is not that limited range of the present invention is referring to claim, in the situation that, without prejudice to basic structure of the present invention, the present invention can do any type of modification to the restriction of invention.

Claims

1. the mould structure for die casting trimming and punching, is characterized in that: comprise the upper module and the lower module that are connected each other;

The structure of described upper module is: bag expands cope match-plate pattern (3), described cope match-plate pattern (3) is affixed with the first concave template (6), be positioned at a plurality of rubbers of sequence unit (4) and patrix block hitting (5) between described cope match-plate pattern (3) and the first concave template (6), one end of one end of described rubber (4) and patrix block hitting (5) is butt each other, the other end of described rubber (4) and cope match-plate pattern (3) butt, the other end through-going device of described patrix block hitting (5) is in described the first concave template (6) inside; The two ends that are positioned at described cope match-plate pattern (3) bottom are symmetrical mounting fairlead (7) also;

The structure of described lower module is: comprise lower bolster (16), the top order affixed backing plate (15) of described lower bolster (16), fixed head (12) and the second concave template (9), the symmetrical affixed feet (18) in the bottom of lower bolster (16), be positioned at a plurality of backing-out punch of device between two feets (18), one end device of described backing-out punch transmits bar (19), connection backing plate (15) and fixed head (12) are sequentially run through in the end of described transmission bar (19), many red needles (13) run through described fixed head (12) and are connected with the counterdie block hitting (10) be positioned between fixed head (12) and the second concave template (9), described counterdie block hitting (10) through-going device is in the second concave template (9) inside, the two ends that are positioned at described lower bolster (16) top are symmetrical mounting guide post (11) and limited post (14) also.

2. a kind of mould structure for die casting trimming and punching as claimed in claim 1, it is characterized in that: described backing-out punch comprises one group of iron plate (1701), be positioned between described iron plate (1701) and install rubber (4), described iron plate (1701), rubber (4) are circle.