CN202052835U

CN202052835U - Metal shell blanking device

Info

Publication number: CN202052835U
Application number: CN2010207014695U
Authority: CN
Inventors: 张青青; 谭东华; 胡森雄
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-12-24
Filing date: 2010-12-24
Publication date: 2011-11-30
Anticipated expiration: 2020-12-24

Abstract

The utility model discloses a metal shell blanking device, which is used for punching down a metal shell on a material belt, and comprises a substrate provided with a guide slot, a lower cropping piece capable of being mounted in the guide slot in an up-down sliding manner, lifting pins, elastic pieces mounted in the guide slot, a material pressing mechanism, and a punching piece arranged opposite to the lower cropping piece, wherein the material pressing mechanism comprises a material pressing piece, and a driving mechanism which can drive the material pressing piece to press the material belt against the lower cropping piece; the lower cropping piece is provided with a supporting part and a lower knife edge; the lifting pins are positioned right below the lower cropping piece; and the elastic pieces are positioned right below the lifting pins and can be elastically propped against the lifting pins upwards. The thickness of the lower knife edge of the metal shell blanking device can be properly increased, and the service life is long.

Description

The metal shell blanking device

Technical field

The utility model relates to a kind of blanking device, relates in particular to a kind of die-cut metal shell blanking device that gets off of metal shell that will take shape on the strip of being used for.

Background technology

See also Fig. 5 to Fig. 8, existing metal shell blanking device comprises pedestal (figure do not show), be fixed in following on the pedestal cuts part 60 ', feeding pressure mechanism 70 ' moving up and down and die cutting 80 ', cuts the edge of a knife 61 ' that part 60 ' is provided with outside protrusion down.During work, at first, metal shell 92 ' moves with strip 91 ' and is placed on the edge of a knife 61 '; Then, feeding pressure mechanism 70 ' is pressed in down strip 91 ' and cuts on the part 60 '; Then, die cutting 80 ' cooperates with the edge of a knife 61 ' metal shell 92 ' is scaled off from strip 91 ' upper punch.

But, metal shell 92 ' moves with strip 91 ' and is placed on the edge of a knife 61 ' when going up, need be lifted away from down and cut part 60 ' certain distance, so the thickness of the edge of a knife 61 ' has only the less metal shell 92 ' that just can make of design to be placed on the edge of a knife 61 ', and die cutting 80 ' die-cut strength is very big, and after the repetition multi-pass operation, the edge of a knife 61 ' is easy to damage, life-span is short, often safeguards or change the edge of a knife 61 ' to make cost up.

The utility model content

The purpose of this utility model is to provide a kind of edge of a knife non-damageable metal shell blanking device at above-mentioned the deficiencies in the prior art.

For achieving the above object, metal shell blanking device provided by the utility model is used for that metal shell on the strip is die-cut to get off with taking shape in, and this metal shell blanking device comprises pedestal, cuts part, ejector pin, elastic component, feeding pressure mechanism and die cutting down.Offer guide groove on the pedestal, cut down the following edge of a knife that part has the support portion and outwards protrudes out from the support portion.Cut part and ejector pin down and can slide up and down and be installed in the guide groove of pedestal, ejector pin be positioned at cut down part under, elastic component is installed in the guide groove of pedestal, its be positioned at ejector pin under and the elasticity that can make progress replace ejector pin.Feeding pressure mechanism comprises binder spare and driving mechanism, and driving mechanism can drive binder spare and strip is pressed against down cuts on the part, die cutting with under cut part and be oppositely arranged, this die cutting has the last edge of a knife.

As mentioned above, the utility model metal shell blanking device can will cut part elasticity down by elastic component and ejector pin and upwards eject certain distance when feeding, when stamping-out again can with under cut part and depress, therefore the thickness of the edge of a knife can increase compared to existing technology, can prolong the service life of the edge of a knife thus, reduce cost.

Description of drawings

Fig. 1 is the part-structure stereogram of the utility model metal shell blanking device.

Fig. 2 does not press down schematic diagram before for the binder spare of metal shell blanking device shown in Figure 1.

Fig. 3 presses down the schematic diagram that puts in place for the binder spare of metal shell blanking device shown in Figure 1.

Fig. 4 is the schematic diagram of the die cutting of metal shell blanking device shown in Figure 1 when die-cut.

Fig. 5 to Fig. 8 is the side view of the blanking process of existing metal shell blanking device.

Each description of reference numerals is as follows among the figure:

Strip 100 metal shells 200

Ejector pin 10 top caps 11

Pin cuts part 20 12 times

21 times edges of a knife 22 of locating slot

Support portion 23 elastic components 30

40 die cuttings 50 of binder spare

The last edge of a knife 51 backstays 80

Lower plate 91 lower guide channels 911

Guide groove 921 in the middle plate 92

Upper plate 93 upper rails 931

The specific embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1 and Fig. 2, the utility model metal shell blanking device is used for that metal shell 200 on the strip 100 is die-cut to get off with taking shape in, and strip 100 is provided with locating hole (figure does not show).This metal shell blanking device comprises pedestal (figure do not show), can slide up and down is installed in following on the pedestal and cuts part 20, ejector pin 10, be installed in elastic component 30 on the pedestal, strip 100 can be pressed against down the feeding pressure mechanism (figure does not show) that cuts on the part 20 and cut the die cutting 50 that part 20 is oppositely arranged with following.Wherein, ejector pin 10 be positioned at cut down part 20 under, elastic component 30 be positioned at ejector pin 10 under and the elasticity that can make progress replace ejector pin 10, cut the working face certain distance that part 20 exceeds pedestal thereby replace down.

Ejector pin 10 comprises top cap 11 and the less pin 12 of diameter that diameter is bigger.

Offer guide groove (figure does not show) on the pedestal, cut part 20 under elastic component 30, ejector pin 10 reach and be installed in the guide groove successively from bottom to top.Particularly, this pedestal comprises lower plate 91, middle plate 92 and upper plate 93, and offer respectively on lower plate 91, middle plate 92 and the upper plate 93 lower guide channel 911 suitable, the middle guide groove 921 suitable with pin 12 diameters of ejector pin 10 with top cap 11 diameters of ejector pin 10 and with under cut part 20 corresponding upper rails 931.The top cap 11 of ejector pin 10 and elastic component 30 are installed in the lower guide channel 911, and guide groove 921 also can stretch in the upper rail 931 during pin 12 passed, and cut part 20 down and was installed in the upper rail 931.

Cut part 20 down and be provided with the locating slot 21 that is used to locate strip 100.Cut the following edge of a knife 22 that part 20 has support portion 23 and outwards protrudes out from the support portion 23 down.Strip 100 is positioned down to cut on the part 20, the placing down on the edge of a knife 22 with metal shell 200 junctions of strip 100.Metal shell 200 is suspended on down outside the edge of a knife 22.

Feeding pressure mechanism comprises binder spare 40 and driving mechanism (figure does not show), binder spare 40 is installed in the top that interconnects the place over against metal shell 200 and strip 100, be binder spare 40 a part over against under cut part 20, another part is unsettled, and driving mechanism can drive binder spare 40 and strip 100 is pressed against down cuts on the part 20 thus.Offer perforation (figure does not show) on the binder spare 40, die cutting 50 is arranged in the perforation and can stretches out perforation downwards, die cutting 50 has the last edge of a knife 51, on this edge of a knife 51 just over against metal shell 200 with strip 100 junctions, i.e. the last edge of a knife 51 of die cutting 50 passes perforation and unsettled just.

This metal shell blanking device also comprises a positioning rod 80, and this backstay 80 is installed in directly over the locating slot 21 and can slide up and down and inserts locating slot 21.

See also Fig. 2 to Fig. 4, when cutting part 20 under metal shell 200 and strip 100 are delivered to, the joint face of metal shell 200 and strip 100 is higher than the working face of pedestal.And in initial state, elastic component 30 is upwards replaced ejector pin 10, cut part 20 and move a certain distance thereby upwards replace down, the joint face of this distance and metal shell 200 and strip 100 exceed pedestal working face apart from basically identical.At this moment, top cap 11 upper ends of ejector pin 10 fasten on the lower surface of middle guide groove 921 borders of middle plate 92, cut the upwards unsteady height that exceeds the working face of pedestal of part 20 to limit down.

During the work of the utility model metal shell blanking device, at first, the strip 100 that will have metal shell 200 is delivered to down and cuts part 20 places, and the locating hole of strip 100 is positioned locating slot 21 places; Then, backstay 80 inserts locating slot 21 downwards, thereby strip 100 and metal shell 200 are positioned down to cut on the part 21; Secondly, drive mechanism binder spare 40 moves down, compress metal shell 200 and strip 100 downwards until binder spare 40, cutting part 20 down is moved downward under the effect of binder spare 40 and is placed in fully in the upper rail 931, at this moment, elastic component 30 pressurizeds shrink, and ejector pin 10 also moves down certain distance, and following part 20 upper surfaces that cut are concordant with the working face of pedestal.Binder spare 40 parts are pressed in metal shell 200 and strip 100 junctions, and another part is pressed in strip 100 and metal shell 200 junctions.At last, die cutting 50 moves down, and the impulse force by die cutting 50 cuts off strip 100 with metal shell 200.

As mentioned above, the utility model metal shell blanking device can will cut part 20 elasticity down by elastic component 30 and ejector pin 10 and upwards eject certain distance when feeding, this distance with metal shell 200 and strip 100 are delivered to metal shell 200 and strip 100 joint faces when cutting part 20 down exceed pedestal working face apart from basically identical.When strip 100 is positioned down to cut on the part 20 with metal shell 200, the following edge of a knife 22 parts stretch in the metal shell 200, when stamping-out binder spare 40 again can with under cut part 20 and depress, cutting part 20 under metal shell 200, strip 100 reach moves down together, then in whole process, the following edge of a knife 22 does not have the relative displacement of above-below direction in the space that metal shell 200 surrounds, therefore the thickness of the edge of a knife 22 can suitably increase compared to existing technology down, can prolong the service life of the edge of a knife 22 down thus, reduce cost.

Claims

1. metal shell blanking device, be used for to take shape in that metal shell on the strip is die-cut gets off, comprise pedestal, cut part, feeding pressure mechanism and die cutting down, cut the following edge of a knife that part has the support portion and outwards protrudes out from the support portion down, feeding pressure mechanism comprises binder spare and driving mechanism, driving mechanism can drive binder spare and strip is pressed against down cuts on the part, die cutting with under cut part and be oppositely arranged, this die cutting has the last edge of a knife, it is characterized in that: this metal shell blanking device also comprises ejector pin and elastic component; Offer guide groove on the pedestal; Cut part and ejector pin down and can slide up and down and be installed in the guide groove of pedestal, ejector pin be positioned at cut down part under; Elastic component is installed in the guide groove of pedestal, its be positioned at ejector pin under and the elasticity that can make progress replace ejector pin.

2. metal shell blanking device as claimed in claim 1, it is characterized in that: the part of described binder spare over against under cut part, another part is unsettled, offer perforation on the binder spare, die cutting is arranged in the perforation and can stretches out perforation downwards, and the last edge of a knife of die cutting passes perforation and unsettled just.

3. metal shell blanking device as claimed in claim 1 is characterized in that: described ejector pin comprises top cap and the less pin of diameter that diameter is bigger.

4. metal shell blanking device as claimed in claim 3, it is characterized in that: described pedestal comprises lower plate, middle plate and upper plate, and offer respectively on lower plate, middle plate and the upper plate lower guide channel suitable, the middle guide groove suitable with the pin diameter of ejector pin with the top cap diameter of ejector pin and with under cut the corresponding upper rail of part; The top cap and the elastic component of ejector pin are installed in the lower guide channel, and guide groove also can stretch in the upper rail during pin passed, and cut part down and are installed in the upper rail, and the cap upper end, top of ejector pin can fasten on the lower surface of the middle guide groove border of middle plate.

5. metal shell blanking device as claimed in claim 1, it is characterized in that: described strip is provided with locating hole, cut part down and be provided with the locating slot that is used to locate strip, this metal shell blanking device also comprises a positioning rod, and backstay is installed in directly over the locating slot and can slide up and down the insertion locating slot.