CN2115159U - Integral type deep-neck cold stamping die carrier - Google Patents

Abstract

The utility model discloses an integral type deep-neck cold stamping die carrier. The corresponding circle-arc movement similar to the straight-line principle of a small central angle is applied to a cold stamping die carrier, and by a spring connecting mechanism (plate spring or a hinge with other types of springs), an upper and a lower mold plates are connected to a whole body; the gap does not need to be adjusted at the time of molding. The larger neck depth can solve the stamping problem of large panels. The integral type deep-neck cold stamping die carrier is composed of a punch, a die, the upper mold plate, the lower mold plate, a discharge device, a spherical cap type impact head, a positioning device, the spring connecting device, etc. The utility model has the advantages of simple structure, easy molding, adjustable positioning dimension, low cost, short producing periodicity, and low technical grade of workers. The integral type deep-neck cold stamping die carrier can be suitable for various stamping equipment after being serialized, and the integral type deep-neck cold stamping die carrier can be repeatedly utilized.

Description

Integral type deep-neck cold stamping die carrier

The utility model belongs to cold punching technology equipment technology field.

Cold stamping processing is a kind of very ripe technology in machine industry, and the typical section mode structure that dashes has: open wide mould, guide plate die, guide post typo die.The upper and lower template of opening wide mould is without any connection, only when the dress mould, guarantee to adorn the die clearance by adjusting all around to lower bolster, specification requirement height to the workman, the difficulty of regulating is big, labour intensity is big, and regular meeting is because of adjusting the improper punch die that damages, and this punch die production efficiency in jobbing work is especially low; Guide plate die and guide post typo die provide a kind of guiding accuracy, and the gap that punch-die is had in manufacture process is maintained, but this mould bases throat depth is too shallow, can't the bigger steel plateelement of punching out.

The purpose of this utility model provides the dark neck cold stamping die set of a kind of monoblock type, the pairing circular motion of less central angle is similar to straight-line principle is applied on the cold stamping die set.An end of upper and lower template joined together by spring coupling mechanism (leaf spring or hinge add other forms of spring) when mould bases was made, and made in the cold stamping process and exempted from adjust the play; The mould bases radius is bigger simultaneously, can process bigger plate, and promptly throat depth is big.

This mould bases impacts head by punch, die, cope match-plate pattern, lower bolster, device for discharging, ball crown type.Compositions such as positioner and spring coupling mechanism.Device for discharging that punch-die structure in this mould bases and connection and elastic caoutchouc, stripper are formed and connection and common cold stamping die set are similar.The spring coupling mechanism is considerable parts, it by taper bolt and screw respectively with last, one end of lower bolster connects, make, lower bolster is together with being fixed on the protruding of the other end, the die organic assembling, become the monoblock type mould bases, thereby punch-die can not separate or misplace, can only in the elastic range of resilient connection mechanism, make little arc swing, keeper and location cuing scale are used for regulating the indication location dimension, and, there are 2～4 holddown grooves to be fixed on whole mould bases on the workbench of punch press on the lower bolster with T type screw by feed screw nut pair and lower bolster connection.The top that cope match-plate pattern is equipped with punch-die one end connects by screw and ball crown type impact head, has also fixed a die shank formula and impact head on the slide block of punch press, as protection slide block and the usefulness of transmitting impulsive force.The existence of spring coupling mechanism just, when external force is done the time spent, cope match-plate pattern and lower bolster can be done relative motion.Because the brachium of upper and lower template, be that the mould bases radius is bigger, the stroke of cope match-plate pattern is less again---and certain distance is arranged between upper and lower template, enough hold punch-die and workpiece to be machined and enough operating spaces are arranged, the central angle of this relative motion is very little, and movement locus is similar to straight line.Mould bases is the universal architecture of a series ofization, can process various punch-die during molding and form various cold-punching mold, the concrete shape of protruding, die needs processing according to actual needs, for different protruding, the corresponding device for discharging of die also should be different.When the mould bases of being formed is worked; lower bolster is fixed on the workbench of punch press; fix a die shank formula on the slide block of punch press and impact head; the protection slide block; power can withstand shocks again; ball crown type on the cope match-plate pattern impacts head and is subjected to the effect that die shank formula in the slider of punch is impacted impulsive force when descending, makes approximate straight line motion downwards together with punch.The relative motion of punch-die is done cold stamping processing to pre-aligned good workpiece, when the slider of punch stroke finished, the press work of workpiece also finished, and this moment, slider of punch was return, then elastic tripper is finished discharging work, and the spring coupling mechanism recovers the original position of cope match-plate pattern.Withdraw from workpiece at last, finish a jig frequency.

The utility model is simple in structure, easy to use, each manufacturing procedure all can realize Mechanized Processing during making, as long as select the suitable mould bases of specification, on the die body of adapted (protruding, die is the body before the moulding not), process various types hole and just can finish operations such as various punchings, blanking, otch in the large-scale workpiece by wire cutting machine.Simplify the cold-punching mould procedure, reduce cost, shorten the cold-punching mould fabrication cycle, operator's industrial grade requires also low, and is applicable to various punch presses.When changing production technology, mould bases can reuse, and has improved whole economic efficiency.This mould bases is applied widely, particularly shows advantage in jobbing work or periodicity jobbing work especially greatly.The for example production of the various large-scale cabinet product of switch industry.

Description of drawings, in the accompanying drawing 1, (7) be lower bolster, there are 2～4 holddown grooves to be fastened on the punch press workbench above by T type screw, (9) be cope match-plate pattern, one end of cope match-plate pattern impacts head by screw and (4) ball crown type and connects, the other end is by taper bolt and trip bolt, (9) cope match-plate pattern and (8) leaf spring---the spring jack connection in this accompanying drawing is a leaf spring---are linked up, (8) leaf spring connects with (7) lower bolster again equally, thereby (8) leaf spring makes, lower bolster becomes one, can not separate or misplace, only allow to do little central angle arc swing in the elastic range of (8) leaf spring, the feed screw nut pair of location cuing scale that does not show in (6) keeper and the accompanying drawing and adjusting usefulness is formed positioner, supporting by (7) lower bolster, (6) keeper can before and after regulate workpiece location dimension.(1) die, (3) punch structure and connection and (2) elastic caoutchouc, elastic tripper and connection that (5) stripper is formed are consistent with common cold stamping die set, no longer narrate at this.(10) be workpiece.

Embodiment: this mould bases is used for die-cut 113 millimeters * 113 millimeters square hole, and upper and lower template is thick 20 millimeters of an A3 steel plate, long 600 millimeters of lower bolster, and long 450 millimeters of cope match-plate pattern, the spring coupling mechanism adopts 4 millimeters * 40 millimeters * 180 millimeters two block plate springs; 10 millimeters respectively of the bed hedgehoppings of upper and lower template one end, 46 millimeters, leaf spring and upper and lower template are fixed by φ 6 straight pins and M6 soket head cap screw, and the standard width of a room in an old-style house of upper and lower template is 60 millimeters after the moulding; Protruding, die is thick all to be 20 millimeters, on same block of Cr12 steel plate, go out by the line cutting processing, guarantee 113 millimeters * 113 millimeters of punch sizes, 0.28 millimeter of linear slit, 2 millimeters of fabrication hole φ, the inlet wire otch is arranged in an end of backup plate spring, 20 millimeters * 220 millimeters * 220 millimeters of this Cr12 plate sizes, not before the heat treatment, in protruding, die respective range and bolster join and process straight pin (6 millimeters of φ) hole and thread connection hole, thick 30 millimeters of elastic caoutchouc is through being depressed into 22 millimeters in advance, 4 millimeters of discharging thicknesss of slab, 14 millimeters of workpiece working clearances.Die processes the back and processes discharging back taper down with electric spark on die.Can install, ball crown type impacts 40 millimeters of head heights, 500 millimeters of spherical crown radiuses, be fastened on cope match-plate pattern by an end of punch by screw, positioner is fastening good the keeper that moves in can the groove on lower bolster with screw, 140 millimeters of this mould bases height overalls, 103～117 millimeters of shut heights, workpiece is 2 millimeters cold-rolled steel sheets, is used for 80 tons of punch presses, and the die shank formula is impacted head and adopted 45

Steel is made, and 60 millimeters of die shank diameter phi are high 70 millimeters, and 115 millimeters of following contact plane φ are high 20 millimeters.This punch die is a 42L6 type instrument installing hole on the punching out PGL low-voltage distribution panel instrument face plate, because every batch of production lot of PGL stand is little, the punch die that uses is wide in variety, under the less situation of punch press, it is quite frequent to change punch die, but after having adopted whole dark neck cold stamping die set, just more convenient, institute's processing work, size is fine, and the burr maximum is less than 0.10 millimeter.

Claims (3)

1, the dark neck cold stamping die set of monoblock type is by punch, die, cope match-plate pattern, lower bolster, device for discharging, ball crown type impacts head, positioner and spring coupling mechanism and forms, it is characterized in that bolster one end combines as a whole by the spring coupling mechanism, the other end is loaded onto protruding, die, ball crown type impact head is equipped with at the top that punch-die one end is housed at cope match-plate pattern, and it is very little to also have positioner can regulate work positioning gauge on the lower bolster.

2, according to the dark neck cold stamping die set of claims 1 described monoblock type, it is characterized in that certain distance is arranged between upper and lower template, loading onto to make behind the punch-die has the sufficient workpiece working clearance between the punch-die, and lower bolster is fixed on the workbench of punch press.Fix die shank formula on the slider of punch and impact head, the protection slide block, when with mould bases on ball crown type impact the power that withstands shocks when head contacts.

3, according to the dark neck cold stamping die set of claims 1 described monoblock type, when it is characterized in that the slide block down of punch press, the ball crown type that die shank formula impact primary drying presses on the template impacts head, depress cope match-plate pattern and punch, workpiece is processed, after the slide block of punch press is up,, by the spring coupling mechanism cope match-plate pattern is set back simultaneously by the device for discharging discharging.