CN214290422U

CN214290422U - Continuous stamping die with misfeed detection mechanism

Info

Publication number: CN214290422U
Application number: CN202023162736.9U
Authority: CN
Inventors: 谢远东
Original assignee: Kaiping Chengruifeng Technology Co ltd
Current assignee: Kaiping Chengruifeng Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-28
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a continuous stamping die with misfeed detection mechanism, the upper die is installed with the misfeed detection mechanism, the misfeed detection mechanism includes the misfeed rod chamber, the misfeed rod chamber is vertically arranged in the upper die, the misfeed rod chamber is provided with a first elastic member and a misfeed rod, both ends of the first elastic member respectively support against between the top of the misfeed rod chamber and the rod head of the misfeed rod; the error feeding rod is provided with a groove, the upper die is provided with an error detection rod cavity penetrating through the side surface of the upper die corresponding to the groove, an error detection rod is arranged in the error detection rod cavity, a first end cap and a second end cap are respectively arranged at two ends of the error detection rod, the first end cap is arranged right opposite to the groove, and the second end cap penetrates through a fixing nut on the outer side of the second end of the error detection rod cavity; a second elastic piece is arranged between the first end cap and the fixing nut; the second end cap of the detector corresponding to the error detection rod is arranged on the upper die, and the detector is in signal connection with the stamping control system; the lower die is provided with an avoiding through hole corresponding to the mis-feeding rod. The utility model discloses realize the detection of pay-off in-process material belt misdelivery, reduce the rejection rate.

Description

Continuous stamping die with misfeed detection mechanism

Technical Field

The utility model belongs to the technical field of stamping die and specifically relates to a continuous stamping die with misfeed detection mechanism is related to.

Background

The continuous die is high in punching precision and high in speed, a matched feeder is required to clamp and send punching materials for punching, but due to the defects of the feeder in manufacturing, the phenomenon of insufficient feeding cannot be avoided in the feeding process, once the phenomenon of insufficient feeding occurs, a large amount of waste products can be generated in the high-speed punching process to cause serious production waste, and even the die can be damaged when the condition is serious. Or in the stamping process, the waste is popped out from the die, so that the feeding is not smooth, the material belt is damaged, and even the die is damaged. Therefore, after the materials are delivered by mistake, the punching needle continues to punch, parts of the die are easily broken, the die is greatly damaged, the service life of the die is shortened, and time is wasted. Therefore, the existing continuous stamping die needs to be improved, the misdelivery detection of the material belt in the feeding process is realized, the unnecessary damage of the die is effectively avoided, the service life of the die is greatly prolonged, and the production efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a continuous stamping die with misfeed material detection mechanism, realize the detection of pay-off in-process material belt misfeed, reduce the rejection rate, the effectual mould unnecessary that avoids damages, improves mould life-span and production efficiency greatly.

The technical solution of the utility model is that:

a continuous stamping die with a mis-feeding detection mechanism comprises an upper die and a lower die, wherein the upper die is provided with the mis-feeding detection mechanism, and the mis-feeding detection mechanism comprises a mis-feeding rod cavity, a mis-feeding rod, a mis-detecting rod cavity, a mis-detecting rod and a detector;

the mis-feeding rod cavity is vertically arranged in the upper die, a first elastic piece is arranged in the mis-feeding rod cavity, a rod head is arranged at the top end of the mis-feeding rod and limited in the mis-feeding rod cavity, the upper end and the lower end of the first elastic piece respectively abut against the space between the top of the mis-feeding rod cavity and the rod head, and the lower end of the mis-feeding rod protrudes out of the lower surface of the upper die; the error feeding rod is provided with a groove, the upper die is provided with an error detection rod cavity penetrating through the side surface of the upper die corresponding to the groove, the error detection rod is installed in the error detection rod cavity, a first end cap and a second end cap are respectively arranged at two ends of the error detection rod, the first end cap is over against the groove, and the second end cap penetrates through a fixing nut fixed on the outer side of the second end of the error detection rod cavity; the diameter of the first end cap is larger than that of the error detection rod, and a second elastic piece is arranged between the first end cap and the fixing nut; the detector is arranged on the upper die corresponding to the second end cap of the error detection rod, and a detection probe of the detector is arranged over against the second end cap of the error detection rod; the detector is in signal connection with a stamping control system of the stamping die;

the lower die is provided with an avoidance through hole corresponding to the mis-feeding rod; the upper surface of the lower die is used for placing a material belt to be processed, and the misdelivery rod is used for being inserted downwards and penetrating through a positioning hole formed in the material belt.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that the upper die comprises an upper die base, an upper backing plate, a male splint, a limiting plate and a stripper plate which are sequentially arranged from top to bottom, and the lower die comprises a lower die base, a lower backing plate and a lower template which are sequentially arranged from bottom to top; the upper end of the mis-feeding rod cavity is arranged on the upper die base, and the lower end of the mis-feeding rod cavity penetrates through the upper base plate, the male clamping plate, the limiting plate and the stripper plate; the upper end of the first elastic piece is arranged on the upper die base, and the lower end of the first elastic piece extends to the lower surface of the upper backing plate; the diameter of the rod head of the mis-feeding rod is larger than the inner diameter of the mis-feeding rod cavity for mounting the mis-feeding rod part; when the mis-feeding rod is positioned at the bottommost part of the mis-feeding rod cavity, the rod head of the mis-feeding rod abuts against the lower end of the first elastic part.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that the mis-feeding detection rod cavity is arranged on the male clamping plate, and when the mis-feeding rod is positioned at the bottommost part of the mis-feeding rod cavity, the groove is arranged right opposite to the mis-feeding detection rod cavity.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that the bottom surface of the groove is provided with an inclined surface.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that the ends of the first end cap and the second end cap of the mis-feeding detection rod are arranged to be of a hemispherical convex structure; the groove is arranged to be an arc groove structure matched with the hemispherical convex structure.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that a cushion block is arranged between the detector and the upper die.

The continuous press die with the erroneous feeding detection mechanism as described above, wherein the first elastic member and the second elastic member are springs.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that the upper die is provided with at least two mis-feeding detection mechanisms; the grooves on the error sending rods are annular grooves which radially surround the error sending rods, and the first end caps of the error detecting rods are arranged opposite to the annular grooves.

The continuous stamping die with the mis-feeding detection mechanism is characterized in that an infrared sensor is arranged at the bottom of the avoiding through hole, and a probe of the infrared sensor is arranged opposite to the lower end of the mis-feeding rod; the infrared sensor is in signal connection with the stamping control system.

From the above description, the present invention can achieve the following effects in comparison with the prior art:

the utility model discloses a continuous stamping die with misdelivery detection mechanism, through installation pay-off detection mechanism in the upper die, when the material area of placing on the lower mould is sent more, send less or the misdelivery, the lower extreme of misdelivery pole is withstood by the material area when the upper die moves down, make the recess of misdelivery pole and the first end cap dislocation separation of examining the misdelivery pole when the misdelivery pole moves up, lead to examining the misdelivery pole and move outward, make its second end cap contact the inspection probe of detector, with signal transmission to the punching press control system, pause the stamping die, after readjusting the material area, carry out follow-up punching press process again; the utility model discloses a pay-off in-process material area send, send or the detection of misdelivery more, reduce the rejection rate, effectively avoid the mould to receive unnecessary and damage, improve mould life-span and production efficiency greatly.

Drawings

Fig. 1 is a schematic structural view of a continuous stamping die with a mis-feeding detection mechanism of the present invention.

Main element number description:

the utility model discloses:

1: an upper die 11: an upper die holder 12: upper backing plate

13: the male cleat 14: limiting plate 15: stripper plate

16: first elastic member 2: lower die 21: lower die holder

22: lower pad 23: lower die plate 24: avoiding through hole

3: misfeed lever 31: the head 32: groove

4: error detection lever 41: first end cap 42: second end cap

43: second elastic member 5: fixing a nut 6: detector

7: cushion block 8: material belt

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

The utility model provides a continuous stamping die with mistake pay-off detection mechanism realizes the detection that 8 misdeliveries are taken to pay-off in-process material, reduces the rejection rate, and effectual avoiding mould unnecessary damages, improves mould life-span and production efficiency greatly. The utility model discloses a continuous stamping die with misfeed detection mechanism, in its preferred embodiment, please refer to fig. 1, is the structure schematic diagram of the preferred embodiment of the continuous stamping die with misfeed detection mechanism of the utility model, it includes upper die 1 and lower die 2, upper die 1 is installed with misfeed detection mechanism, misfeed detection mechanism includes misfeed rod cavity, misfeed rod 3, checks misfeed rod cavity, checks misfeed rod 4 and detector 6; the mis-feeding rod cavity is vertically arranged in the upper die 1, a first elastic part 16 is arranged in the mis-feeding rod cavity, a rod head 31 is arranged at the top end of the mis-feeding rod 3, the rod head 31 is limited in the mis-feeding rod cavity, the upper end and the lower end of the first elastic part 16 respectively abut against the space between the top of the mis-feeding rod cavity and the rod head 31, and the lower end of the mis-feeding rod 3 protrudes out of the lower surface of the upper die 1; the wrong feeding rod 3 is provided with a groove 32, the upper die 1 is provided with a wrong detection rod cavity penetrating through the side surface of the upper die 1 corresponding to the groove 32, the wrong detection rod 4 is installed in the wrong detection rod cavity, two ends of the wrong detection rod 4 are respectively provided with a first end cap 41 and a second end cap 42, the first end cap 41 is arranged right opposite to the groove 32, and the second end cap 42 penetrates through a fixing nut 5 fixed on the outer side of the second end of the wrong detection rod cavity; the diameter of the first end cap 41 is larger than that of the error detection rod 4, and a second elastic piece 43 is arranged between the first end cap 41 and the fixing nut 5; the detector 6 is mounted on the upper die 1 corresponding to the second end cap 42 of the error detection rod 4, and the detection probe of the detector 6 is arranged over against the second end cap 42 of the error detection rod 4; the detector 6 is in signal connection with a stamping control system of the stamping die; the lower die 2 is provided with an avoidance through hole 24 corresponding to the mis-feeding rod 3; the upper surface of the lower die 2 is used for placing a material belt 8 to be processed, and the mis-feeding rod 3 is used for being inserted downwards and penetrating through a positioning hole formed in the material belt 8. As shown in fig. 1, the mis-feeding detection mechanism is installed on the upper die 1 of the utility model, the mis-feeding detection mechanism comprises a mis-feeding rod cavity vertically arranged on the upper die 1, a mis-feeding rod 3, a mis-feeding rod cavity, a mis-feeding rod 4 and a detector 6, the mis-feeding rod 3 is arranged in the mis-feeding rod cavity, the lower end of the mis-feeding rod 3 protrudes out of the lower surface of the lower die 2, and a first elastic part 16 is arranged between the rod head 31 at the top of the mis-feeding rod 3 and the top of the mis-feeding rod cavity; the error feeding rod 3 is provided with a groove 32, the upper die 1 is provided with an error detection rod 4 corresponding to the groove 32 and penetrating through an error detection rod cavity on the side surface of the upper die 1, a first end cap 41 of the error detection rod 4 is arranged right opposite to the groove 32, a second end cap 42 penetrates through a fixed nut 5 fixed on the outer side of the second end of the error detection rod cavity, and a second elastic piece 43 is arranged between the first end cap 41 and the fixed nut 5; the lower die 2 is provided with an avoidance through hole 24 corresponding to the mis-feeding rod 3; when the material belt 8 on the upper surface of the lower die 2 is fed more, less or mistakenly fed, and the lower die 2 moves down until the lower end of the mistaken feeding rod 3 abuts against the material belt 8, the mistaken feeding rod 3 extrudes the first elastic piece 16, the first elastic piece 16 compresses, the mistaken feeding rod 3 partially moves up, so that the groove 32 of the mistaken feeding rod 3 is separated from the first end cap 41 of the mistaken detecting rod 4 in a staggered manner, the periphery of the mistaken feeding rod 3 extrudes the first end cap 41 of the mistaken detecting rod 4, so that the mistaken detecting rod 4 moves outwards to compress the second elastic piece 43, the second end cap 42 of the mistaken detecting rod 4 contacts the detecting probe of the detector 6, the detector 6 transmits signals to a stamping control system, the stamping die stops moving up, when the compressed first elastic piece 16 rebounds outwards, the mistaken feeding needle returns back again and moves downwards, the first end cap 41 of the mistaken detecting rod 4 abuts against the groove 32, and the compressed second elastic piece 43 rebounds and extends, the second end cap 42 of the error detection rod 4 is separated from the detection probe of the detector 6, namely, the mis-feeding detection mechanism is restored to the original state to wait for the detection of the adjusted material belt 8; after the material belt 8 is readjusted, the positioning hole in the material belt 8 is aligned with the mis-feeding rod 3, the stamping die is restarted, the lower end of the mis-feeding rod 3 penetrates through the positioning hole in the material belt 8 and is inserted into the avoiding through hole 24, the punch on the upper die 1 stamps the material belt 8, and the stamping die continuously works; the utility model discloses reduce the rejection rate, effectively avoid the mould to receive unnecessary and damage, improve mould life-span and production efficiency greatly.

As described above, in the preferred embodiment of the continuous stamping die with the mis-feeding detection mechanism of the present invention, the upper die 1 includes the upper die base 11, the upper pad 12, the male splint 13, the limiting plate 14 and the stripper plate 15 which are sequentially arranged from top to bottom, and the lower die 2 includes the lower die base 21, the lower pad 22 and the lower template 23 which are sequentially arranged from bottom to top; the upper end of the mis-feeding rod cavity is arranged on the upper die base 11, and the lower end of the mis-feeding rod cavity penetrates through the upper backing plate 12, the male splint 13, the limiting plate 14 and the stripper plate 15; the upper end of the first elastic element 16 is arranged on the upper die holder 11, and the lower end thereof extends to the lower surface of the upper backing plate 12; the diameter of the rod head 31 of the mis-feeding rod 3 is larger than the inner diameter of the part of the mis-feeding rod cavity where the mis-feeding rod 3 is installed; when the wrong feeding rod 3 is positioned at the bottommost part of the wrong feeding rod cavity, the rod head 31 of the wrong feeding rod 3 abuts against the lower end of the first elastic part 16. As shown in fig. 1, an upper die 1 of the present invention includes an upper die base 11, an upper padding plate 12, a male splint 13, a limiting plate 14 and a stripper plate 15, which are sequentially arranged from top to bottom, and a lower die 2 includes a lower die base 21, a lower padding plate 22 and a lower die plate 23, which are sequentially arranged from bottom to top; the upper end of the misdelivery rod cavity is arranged on the upper die base 11, the lower end of the misdelivery rod cavity penetrates through the upper backing plate 12, the male clamping plate 13, the limiting plate 14 and the stripper plate 15, the first elastic piece 16 is arranged on the upper section of the misdelivery rod cavity, the lower end of the first elastic piece extends to the lower surface of the upper backing plate 12, the misdelivery rod 3 is arranged on the lower section of the misdelivery rod cavity, the rod head 31 of the misdelivery rod 3 abuts against the lower end of the first elastic piece 16, the diameter of the rod head 31 is larger than the inner diameter of the lower section of the misdelivery rod cavity, and the misdelivery rod 3 is guaranteed not to slide downwards from the misdelivery rod cavity.

As described above the utility model discloses a continuous stamping die with misfeed detection mechanism, in its preferred embodiment, examine the mistake pole chamber set up in on the punch holder 13, work as the misfeed pole 3 is located when misfeed pole chamber bottommost, recess 32 is just right examine the setting of mistake pole chamber. As shown in FIG. 1, the utility model discloses a examine wrong pole chamber and set up on public splint 13, the recess 32 that sets up on the misdelivery pole 3 is just examining wrong pole chamber setting, and the contact position of misdelivery pole 3 and examining wrong pole 4 sets up on public splint 13 promptly.

As described above, in the preferred embodiment of the continuous stamping die with the mis-feeding detection mechanism of the present invention, the bottom surface of the groove 32 is set to be an inclined surface. The bottom surface of the groove 32 of the utility model is arranged as an inclined plane, when the error sending rod 3 is pressed against the material belt 8, the first end cap 41 of the error detecting rod 4 can slide off from the inclined plane conveniently and is separated from the groove 32; of course, the outer periphery of the first end cap 41 may be provided with a chamfered surface.

In the above continuous stamping die with the mis-feeding detection mechanism of the present invention, in the preferred embodiment, the ends of the first end cap 41 and the second end cap 42 of the mis-detection rod 4 are set to be hemispherical convex structures; the grooves 32 are arranged as circular arc groove structures cooperating with the hemispherical convex structures. As shown in fig. 1, the utility model discloses an end of examining first end cap 41 and second end cap 42 of mistake pole 4 sets up to hemisphere protruding structure, and recess 32 corresponds hemisphere protruding structure and sets up to circular arc groove structure, and the in-process that the pole 3 reciprocated is sent to the mistake, and hemisphere protruding structure cooperation circular arc groove structure is more smooth and easy.

As described above, in the preferred embodiment of the continuous stamping die with the mis-feeding detection mechanism of the present invention, the pad 7 is disposed between the detector 6 and the upper die 1. As shown in fig. 1, the utility model discloses a set up cushion 7 between inspection ware 6 and last mould 1, realize being convenient for adjust inspection ware 6 and examine the position corresponding relation of mistake pole 4 to the regulation of inspection ware 6 mounting height.

In the continuous stamping die with the mis-feeding detection mechanism according to the present invention, in the preferred embodiment, the first elastic member 16 and the second elastic member 43 are springs. The utility model discloses a first elastic component 16 and second elastic component 43 are the spring, and the elasticity of spring can satisfy the mould to the demand of elasticity, of course, also can set up other types's elastic component as required.

As described above, in the preferred embodiment of the continuous stamping die with the mis-feeding detection mechanism of the present invention, the upper die 1 is installed with at least two mis-feeding detection mechanisms; the groove 32 on the error-sending rod 3 is an annular groove surrounding the error-sending rod 3 along the radial direction thereof, and the first end cap 41 of each error-detecting rod 4 is arranged opposite to the annular groove. The utility model discloses an go up mould 1 and install two at least mistake pay-off detection mechanism, when having a plurality of locating holes on material area 8, correspond each locating hole and set up mistake pay-off detection mechanism, respectively examine the first end cap 41 of mistake pole 4 just to the annular groove setting, the setting of a plurality of mistake pay-off detection mechanism can further ensure the accuracy of pay-off position, improves the precision of product.

As described above, in the preferred embodiment of the continuous stamping die with the misdelivery detection mechanism of the present invention, the bottom of the avoiding through hole 24 is provided with the infrared sensor, and the probe of the infrared sensor is disposed right opposite to the lower end of the misdelivery rod 3; the infrared sensor is in signal connection with the stamping control system. The utility model arranges the infrared inductor at the bottom of the avoiding through hole 24, and the probe of the infrared inductor can detect the lower end of the mis-feeding rod 3 in each normal punching process; when the punching press in-process, infrared inductor has not detected misfeed pole 3 always, according to the information of infrared inductor feedback, needs in time to inspect whether misfeed pole 3 has cracked, can not play the effect that detects, sets up infrared inductor, can further guarantee the normal work of misfeed detection mechanism.

As mentioned above, referring to fig. 1, the working process and principle of the continuous stamping die with the mis-feeding detection mechanism of the present invention will be explained by taking the above preferred embodiment as an example, specifically as follows:

the utility model discloses an install mistake pay-off detection mechanism on last mould 1, mistake pay-off detection mechanism includes that the vertical setting is in the pole chamber of missending of last mould 1, missending pole 3, examining the pole chamber of missending, examining missending pole 4 and detector 6, missending pole 3 sets up in missending the pole chamber, its lower extreme is outstanding to the lower surface of lower mould 2 beyond, is equipped with first elastic component 16 between the top of pole head 31 of the top of missending pole 3 and the top of missending the pole chamber; the error feeding rod 3 is provided with a groove 32, the upper die 1 is provided with an error detection rod 4 corresponding to the groove 32 and penetrating through an error detection rod cavity on the side surface of the upper die 1, a first end cap 41 of the error detection rod 4 is arranged right opposite to the groove 32, a second end cap 42 penetrates through a fixed nut 5 fixed on the outer side of the second end of the error detection rod cavity, and a second elastic piece 43 is arranged between the first end cap 41 and the fixed nut 5; the lower die 2 is provided with an avoidance through hole 24 corresponding to the mis-feeding rod 3; when the material belt 8 on the upper surface of the lower die 2 is fed more, less or mistakenly fed, and the lower die 2 moves down until the lower end of the mistaken feeding rod 3 abuts against the material belt 8, the mistaken feeding rod 3 extrudes the first elastic piece 16, the first elastic piece 16 compresses, the mistaken feeding rod 3 partially moves up, so that the groove 32 of the mistaken feeding rod 3 is separated from the first end cap 41 of the mistaken detecting rod 4 in a staggered manner, the periphery of the mistaken feeding rod 3 extrudes the first end cap 41 of the mistaken detecting rod 4, so that the mistaken detecting rod 4 moves outwards to compress the second elastic piece 43, the second end cap 42 of the mistaken detecting rod 4 contacts the detecting probe of the detector 6, the detector 6 transmits signals to a stamping control system, the stamping die stops moving up, when the compressed first elastic piece 16 rebounds outwards, the mistaken feeding needle returns back again and moves downwards, the first end cap 41 of the mistaken detecting rod 4 abuts against the groove 32, and the compressed second elastic piece 43 rebounds and extends, the second end cap 42 of the error detection rod 4 is separated from the detection probe of the detector 6, namely, the mis-feeding detection mechanism is restored to the original state to wait for the detection of the adjusted material belt 8; after the material belt 8 is readjusted, the positioning hole in the material belt 8 is aligned with the mis-feeding rod 3, the stamping die is restarted, the lower end of the mis-feeding rod 3 penetrates through the positioning hole in the material belt 8 and is inserted into the avoiding through hole 24, the punch on the upper die 1 stamps the material belt 8, and the stamping die continuously works; the utility model discloses reduce the rejection rate, effectively avoid the mould to receive unnecessary and damage, improve mould life-span and production efficiency greatly. In a further embodiment, the upper die 1 of the present invention comprises an upper die base 11, an upper padding plate 12, a male splint 13, a limiting plate 14 and a stripper plate 15 which are sequentially arranged from top to bottom, and the lower die 2 comprises a lower die base 21, a lower padding plate 22 and a lower die plate 23 which are sequentially arranged from bottom to top; the upper end of the misdelivery rod cavity is arranged on the upper die base 11, the lower end of the misdelivery rod cavity penetrates through the upper backing plate 12, the male clamping plate 13, the limiting plate 14 and the stripper plate 15, the first elastic piece 16 is arranged on the upper section of the misdelivery rod cavity, the lower end of the first elastic piece extends to the lower surface of the upper backing plate 12, the misdelivery rod 3 is arranged on the lower section of the misdelivery rod cavity, the rod head 31 of the misdelivery rod 3 abuts against the lower end of the first elastic piece 16, the diameter of the rod head 31 is larger than the inner diameter of the lower section of the misdelivery rod cavity, and the misdelivery rod 3 is guaranteed not to slide downwards from the misdelivery rod cavity. In a further embodiment, the utility model discloses an end of examining first end cap 41 and second end cap 42 of mistake pole 4 sets up to hemisphere protruding structure, and recess 32 corresponds hemisphere protruding structure and sets up to circular arc groove structure, and the in-process that the pole 3 reciprocated is sent to the mistake, and hemisphere protruding structure cooperation circular arc groove structure is more smooth and easy.

The utility model discloses a continuous stamping die with misdelivery detection mechanism, through installing pay-off detection mechanism in upper die 1, when the material area 8 of placing on lower mould 2 send more, send less or the misdelivery, the lower extreme of misdelivery pole 3 is withstood by material area 8 when upper die 1 moves down, make the recess 32 of misdelivery pole 3 misplace and separate with the first end cap 41 of detecting misdelivery pole 4 when misdelivery pole 3 moves up, lead to detecting misdelivery pole 4 and move outward, make its second end cap 42 contact the inspection probe of detecting ware 6, with signal transmission to the punching press control system, pause the stamping die, after readjusting material area 8, carry out follow-up punching press process again; the utility model discloses a pay-off in-process material area 8 send more, send less or the detection of misdelivery, reduce the rejection rate, effectively avoid the mould to receive unnecessary and damage, improve mould life-span and production efficiency greatly.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. A continuous stamping die with a mis-feeding detection mechanism is characterized by comprising an upper die and a lower die, wherein the upper die is provided with the mis-feeding detection mechanism, and the mis-feeding detection mechanism comprises a mis-feeding rod cavity, a mis-feeding rod, a mis-detecting rod cavity, a mis-detecting rod and a detector;

2. The continuous stamping die with the misfeed detection mechanism as recited in claim 1, wherein the upper die comprises an upper die base, an upper backing plate, a male clamping plate, a limiting plate and a stripper plate which are arranged in sequence from top to bottom, and the lower die comprises a lower die base, a lower backing plate and a lower die plate which are arranged in sequence from bottom to top; the upper end of the mis-feeding rod cavity is arranged on the upper die base, and the lower end of the mis-feeding rod cavity penetrates through the upper base plate, the male clamping plate, the limiting plate and the stripper plate; the upper end of the first elastic piece is arranged on the upper die base, and the lower end of the first elastic piece extends to the lower surface of the upper backing plate; the diameter of the rod head of the mis-feeding rod is larger than the inner diameter of the mis-feeding rod cavity for mounting the mis-feeding rod part; when the mis-feeding rod is positioned at the bottommost part of the mis-feeding rod cavity, the rod head of the mis-feeding rod abuts against the lower end of the first elastic part.

3. The progressive die having a misfeed detection mechanism of claim 2 wherein said misfeed bar cavity is disposed on said male clamping plate, said recess being disposed opposite said misfeed bar cavity when said misfeed bar is at a lowermost portion of said misfeed bar cavity.

4. The progressive die with the misfeed detection mechanism of claim 3 wherein a bottom surface of said groove is provided as a slope.

5. The continuous stamping die with the mis-feeding detection mechanism as recited in claim 4, wherein the ends of the first end cap and the second end cap of the mis-detection rod are arranged in a hemispherical convex structure; the groove is arranged to be an arc groove structure matched with the hemispherical convex structure.

6. The continuous press die with the misfeed detection mechanism of claim 5, wherein a spacer is disposed between the detector and the upper die.

7. The continuous stamping die with the misfeed detection mechanism as recited in claim 6, wherein the first and second resilient members are springs.

8. The continuous stamping die with the mis-feeding detection mechanism as recited in any one of claims 1 to 7, wherein the upper die is mounted with at least two mis-feeding detection mechanisms; the grooves on the error sending rods are annular grooves which radially surround the error sending rods, and the first end caps of the error detecting rods are arranged opposite to the annular grooves.

9. The continuous stamping die with the misfeed detection mechanism as recited in claim 8, wherein an infrared sensor is disposed at a bottom of the avoiding through hole, and a probe of the infrared sensor is disposed opposite to a lower end of the misfeed rod; the infrared sensor is in signal connection with the stamping control system.