Be used to make the drawing die of axial lock case
Technical field
The present invention relates to technical field of mold, specifically is a kind of drawing die that is used to make the axial lock case.
Background technology
A kind of lockset that is called as axial lock is arranged at present, and this lockset comprises the axial lock case, is thin-wall part; Concrete structure shown in mark 26 in Fig. 1 or 2, though utilize more existing technology also can produce, such as machining; But stable production process property is poor, and yield rate is lower.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of stable production process property good, the drawing die that is used to make the axial lock case that yield rate is higher.
Technical scheme of the present invention is; The present invention is used to make the drawing die of axial lock case; It comprises die shank, cope match-plate pattern, upper die plate, is provided with the upper mounted plate of punch, first elastomer, stripper plate, lower bolster, counterdie backing plate, bottom plate, dynamic model cover, counterdie, dynamic model; Said cope match-plate pattern, upper die plate, upper mounted plate, first elastomer, stripper plate connect from top to bottom in regular turn, and said lower bolster, counterdie backing plate, bottom plate, dynamic model cover, counterdie connect from bottom to top in regular turn, and the first hole sliding fit that the said punch of confession that is provided with in the said punch and first elastomer, the stripper plate passes is to make the punch bottom and can stretch out outside first hole and to get in the moulding hole that is provided with in the counterdie in the matched moulds process; This moulding hole sliding fit one dynamic model; The second hole sliding fit that the said dynamic model of confession that said dynamic model is provided with in also overlapping with dynamic model passes, the lower end of said dynamic model is arranged in the 3rd hole that is used for the said dynamic model of axial limiting that is arranged on bottom plate, said lower end and said the 3rd hole sliding fit; Lower bolster is passed in said lower end and, the counterdie backing plate offsets with an end that gets into the knock-pin in said the 3rd hole; The below of the knock-pin other end is provided with a supporting plate, and second elastomer is set between supporting plate and the knock-pin, and second elastomer, one end and the knock-pin other end offset; The second elastomer other end and supporting plate offset; Be provided with at least three suspension rods that are used to change distance between supporting plate and the lower bolster between supporting plate and the lower bolster, each suspension rod one end is connected with supporting plate, and each suspension rod other end is connected with lower bolster.
Operation principle of the present invention is that die shank, cope match-plate pattern, upper die plate, the upper mounted plate that is provided with punch, first elastomer, stripper plate constitute the part of the upper die, remaining part formation part of the lower die; At first raw material are placed on the counterdie, then, part of the upper die and part of the lower die matched moulds; Stripper plate, lower bolster at first contact, and then first elastomer is compressed, and cause first elastomer, the whole upwards withdrawal of stripper plate; The punch bottom is stretched out outside first hole and is got in the moulding hole that is provided with in the counterdie simultaneously, and the punch bottom gets in the moulding hole process that is provided with in the counterdie, can raw material be headed in the moulding hole; And dynamic model headed on downward rollback, because the second elastomeric effect, punch bottom, raw material, dynamic model will move downward with certain speed and dynamics together; The whole process that moves downward is a process that speed and strength all changes, and early stage, speed was fast but dynamics that second elastomer provides is little, and later stage speed is slow but great efforts that second elastomer provides; Through regulating suspension rod, debug out different speed and dynamics, and finally obtain a comparatively stable status; The said process that moves downward is exactly a forming process, and said speed and strength guarantees the reason that stable production process property is good, yield rate is higher just, after moulding is accomplished; Die sinking; Punch bottom, product, dynamic model move upward together, and product ejects the moulding hole the most at last, thereby accomplish product stripping.
After adopting said structure; The present invention compared with prior art; Have the following advantages: combine technique scheme and operation principle can know that the mutual cooperation of each parts can realize the drawing and forming of axial lock case, and good except that having stable production process property; Outside the yield rate advantage of higher, the processing that also has drawing die concurrently and had is simple, raw material are economized, advantage of high production efficiency.
As improvement, each suspension rod one end is connected with supporting plate and is meant that each suspension rod one end passes supporting plate and exposes outside and the nut of screwing on, and supporting plate can move axially along suspension rod under nut is regulated; Each suspension rod other end is connected with lower bolster that to be meant that each suspension rod other end and lower bolster are spirally connected fixing, easy to adjust like this, and it is fixing firm again to regulate the back.
As improvement, second elastomer is penetrated with at least one guide post, second elastomer and guide post sliding fit; One end and the knock-pin other end of guide post are spirally connected fixing; The other end of guide post passes supporting plate and exposes outside and the nut of screwing on, and supporting plate can move axially along guide post under nut is regulated, like this; Guiding is provided for the motion of second elastomer, makes the motion of second elastomer more stable.
As improvement; It comprises that also the upper end is pressed abd fixed on the lead on the cope match-plate pattern by upper die plate; Expose outside after passing upper die plate, upper mounted plate, first elastomer, stripper plate in regular turn its underpart, the pilot hole that runs through counterdie, dynamic model cover, bottom plate in the matched moulds process with said bottom sliding fit, like this; A kind of lead of compact conformation is provided; Not only make the view picture mould structure compact more, and make the folding mould more stable, help more that stable production process property is good, yield rate is higher.
Description of drawings
Structural representation when Fig. 1 is the matched moulds of the present invention's drawing die of being used to make the axial lock case.
Structural representation when Fig. 2 is the die sinking of the present invention's drawing die of being used to make the axial lock case.
Shown in the figure, 1, die shank, 2, cope match-plate pattern, 3, upper die plate, 4, upper mounted plate, 5, first elastomer, 6, stripper plate; 7, dynamic model cover, 8, counterdie, 9, lower bolster, 10, the counterdie backing plate, 11, bottom plate, 12, dynamic model, 13, first hole; 14, punch, 15, the moulding hole, 16, second hole, the 17, the 3rd hole, 18, knock-pin, 19, supporting plate, 20, second elastomer; 21, suspension rod, 22, guide post, 23, lead, 24, pilot hole, 25, combined screw, 26, product.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The present invention is used to make the drawing die of axial lock case; It comprises die shank 1, cope match-plate pattern 2, upper die plate 3, be provided with upper mounted plate 4, first elastomer 5, stripper plate 6, lower bolster 9, counterdie backing plate 10, bottom plate 11, dynamic model cover 7, counterdie 8, the dynamic model 12 of punch 14; Said cope match-plate pattern 2, upper die plate 3, upper mounted plate 4, first elastomer 5, stripper plate 6 connect from top to bottom in regular turn; Said lower bolster 9, counterdie backing plate 10, bottom plate 11, dynamic model cover 7, counterdie 8 connect from bottom to top in regular turn; First hole, 13 sliding fits that the said punch 14 of confession that is provided with in the said punch 14 and first elastomer 5, the stripper plate 6 passes are to make punch 14 bottoms and can stretch out in first the hole 13 outside and to get in the moulding hole 15 of setting in the counterdie 8 in the matched moulds process; This moulding hole 15 sliding fits, one dynamic model 12; Said dynamic model 12 also with dynamic model cover 7 in second hole, 16 sliding fits that pass of the said dynamic model 12 of confession that is provided with, the lower end of said dynamic model 12 is arranged in the 3rd hole 17 that is used for the said dynamic model 12 of axial limiting that is arranged on bottom plate 11, said lower end and said the 3rd hole 17 sliding fits; Lower bolster 9 is passed in said lower end and, counterdie backing plate 10 offsets with an end that gets into the knock-pin 18 in said the 3rd hole 17; The below of knock-pin 18 other ends is provided with a supporting plate 19, second elastomer 20, the second elastomers, 20 1 ends and knock-pin 18 other ends is set between supporting plate 19 and the knock-pin 18 offsets; Second elastomer, 20 other ends and supporting plate 19 offset; Be provided with at least three suspension rods 21 that are used to change distance between supporting plate 19 and the lower bolster 9 between supporting plate 19 and the lower bolster 9, each suspension rod 21 1 end is connected with supporting plate 19, and each suspension rod 21 other end is connected with lower bolster 9.Fig. 1 and Fig. 2 all are decorated with product 26.
Each suspension rod 21 1 end is connected with supporting plate 19 and is meant that each suspension rod 21 1 end passes supporting plate 19 and exposes outside and the nut of screwing on, and supporting plate 19 can move axially along suspension rod 21 under nut is regulated; Each suspension rod 21 other end is connected with lower bolster 9 and is meant that each suspension rod 21 other end and lower bolster 9 are spirally connected fixing.
Second elastomer 20 is penetrated with at least one guide post 22, the second elastomers 20 and guide post 22 sliding fits; One end of guide post 22 and knock-pin 18 other ends are spirally connected fixing, and the other end of guide post 22 passes supporting plate 19 and exposes outside and the nut of screwing on, and supporting plate 19 can move axially along guide post 22 under nut is regulated.
It comprises that also the upper end is pressed abd fixed on the lead 23 on the cope match-plate pattern 2 by upper die plate 3; Expose outside after passing upper die plate 3, upper mounted plate 4, first elastomer 5, stripper plate 6 in regular turn its underpart, the pilot hole 24 that runs through counterdie 8, dynamic model cover 7, bottom plate 11 in the matched moulds process with said bottom sliding fit.
In this example, first elastomer 5, second elastomer 20 are rubber blanket; Said cope match-plate pattern 2, upper die plate 3, upper mounted plate 4, first elastomer 5, stripper plate 6 are connected in regular turn from top to bottom and adopt combined screw 25 to link together; Said lower bolster 9, counterdie backing plate 10, bottom plate 11, dynamic model cover 7, counterdie 8 are connected in regular turn from bottom to top and adopt bolt to link together; Be the conventional connected mode of mould, do not add and give unnecessary details; Die shank 1 lower end is provided with an annular protrusion; Cope match-plate pattern 2 is provided with the looping pit that matches with annular protrusion, and die shank 1 part is upward through cope match-plate pattern 2, and annular protrusion cooperates with looping pit; And upper die plate 3 is pressed on annular protrusion in the looping pit; Like this, accomplish die shank 1 and install, die shank 1 is axially inactive.