CN210647990U

CN210647990U - Stamping die capable of preventing waste from rebounding and stamping equipment using stamping die

Info

Publication number: CN210647990U
Application number: CN201921138135.9U
Authority: CN
Inventors: 赵勤东; 阳保国; 杨创清; 刘星传
Original assignee: Zhongshan Digital Model Automobile Technology Co Ltd
Current assignee: Zhongshan Digital Model Automobile Technology Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-02
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a prevent stamping die of waste material rebound, include: the side edge punching head can stretch into the punching groove to punch the processing material, and the punching groove is provided with a limiting part to limit the horizontal movement of waste materials generated by punching in the punching groove. The side edge punch presses the edge part of the processing material into the punching groove for punching, the generated waste falls into the punching groove, the limiting part is arranged through the punching groove, the waste cannot horizontally move in the punching groove, the waste is kept in contact with the wall surface of the punching groove, and further when the side edge punch withdraws from the punching groove, sufficient friction force exists between the waste and the female die, the waste cannot be adsorbed on the side edge punch and rises along with the side edge punch, and the purpose of preventing the waste from being adsorbed on the side edge punch or rebounding to the processing material is achieved.

Description

Stamping die capable of preventing waste from rebounding and stamping equipment using stamping die

Technical Field

The utility model relates to a punching press field especially relates to stamping die of preventing waste material rebound and use its stamping equipment.

Background

When stamping, sometimes, a false detection notch needs to be punched at the edge of a processing material to detect whether the conveying position of the processing material is accurate, so as to improve the processing precision. The common punching equipment comprises a side edge punch, a female die and a driving mechanism, wherein the female die is provided with a punching groove matched with the side edge punch, a processing material is conveyed between the side edge punch and the female die, the driving mechanism drives the side edge punch to press downwards, the edge part of the processing material is pressed into the punching groove to form a false detection notch, and waste materials are generated.

Referring to fig. 1, in order to ensure that a notch is punched at the edge of a processing material 10, the edge of the processing material 10 is located between a side edge punch and a punching groove 12, so that the area of the punching groove 12 is larger than that of a scrap 11, and the scrap 11 can move towards the part of the punching groove 12 which is not shielded, the contact area between the scrap 11 and the wall surface of the punching groove 12 is reduced, so that the friction between the scrap 11 and a die is reduced, and the side edge punch can generate magnetism in the long-term punching process, and the side edge punch has an adsorption force on the scrap 11 generated by punching, when the side edge punch is separated from the die, the scrap 11 can be adsorbed on the side edge punch or rebounded to the processing material 10, and the situations of unsmooth punching, damage to the die, damage to the processing material 10, and the like occur. Because the side edge punch cannot add a thimble at the edge position, the problem of rebound of the waste material 11 cannot be solved by the conventional method of adding a thimble.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a stamping die of preventing waste material rebound and use its stamping equipment, it can prevent that the waste material from adsorbing on the side edge drift or rebound to processing material.

The utility model provides a technical scheme that its technical problem provided is:

prevent stamping die of waste material rebound includes: the side edge punching head can stretch into the punching groove to punch the processing material, and the punching groove is provided with a limiting part to limit the horizontal movement of waste materials generated by punching in the punching groove.

Preferably, the distance from at least two points on the limiting part to the side wall of the punching groove opposite to the limiting part is unequal, so that the width of at least one part of the waste material is narrowed towards the direction of the part of the punching groove which is not shielded by the waste material.

Preferably, the limiting part is an inclined surface arranged on the punching groove, and an included angle between the inclined surface and the adjacent wall surface of the punching groove is an acute angle.

The utility model provides another kind of technical scheme is:

a stamping apparatus, comprising: the first driving mechanism is connected with the side edge punch and/or the female die so as to drive the side edge punch to extend into the punching groove.

Preferably, still include false retrieval block, detection mechanism and second actuating mechanism, the side sword drift stretches into form the false retrieval incision to the processing material blanking in the die slot, the tip of false retrieval block can stretch into the false retrieval incision, and second actuating mechanism is connected with the false retrieval block in order to order about the false retrieval block to the processing material removal, and detection mechanism is connected with the false retrieval block in order to detect whether the false retrieval block contacts with the processing material, and detection mechanism and this mechanism electric connection of second drive are in order to control the work of second actuating mechanism according to the testing result.

The utility model has the advantages that: the side edge punch presses the edge part of the processing material into the punching groove for punching, the generated waste falls into the punching groove, the limiting part is arranged through the punching groove, the waste cannot horizontally move in the punching groove, the waste is kept in contact with the wall surface of the punching groove, and further when the side edge punch withdraws from the punching groove, sufficient friction force exists between the waste and the female die, the waste cannot be adsorbed on the side edge punch and rises along with the side edge punch, and the purpose of preventing the waste from being adsorbed on the side edge punch or rebounding to the processing material is achieved.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a top view of the prior art;

FIG. 2 is a top view of one embodiment of the present invention;

fig. 3 is a side view of one embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 2 and 3, the utility model provides a prevent stamping die of waste material rebound, include: the side edge punch 30 and the die 40, the die 40 is provided with a punching groove 41 matched with the side edge punch 30, the side edge punch 30 can extend into the punching groove 41 to punch the processing material 20, and the punching groove 41 is provided with a limiting part 42 to limit the horizontal movement of the scraps 21 generated by punching in the punching groove 41.

The side edge punch 30 presses the edge part of the processing material 20 into the punching groove 41 for punching, the generated scraps 21 fall into the punching groove, the punching groove 41 is provided with the limiting part 42, the scraps 21 can not horizontally move in the punching groove 41, the scraps 21 are kept in contact with the wall surface of the punching groove 41, further, when the side edge punch 30 exits from the punching groove 41, sufficient friction force exists between the scraps 21 and the female die 40, the scraps 21 can not be adsorbed on the side edge punch 30 and rise along with the side edge punch 30, the purpose of preventing the scraps 21 from being adsorbed on the side edge punch 30 or rebounding to the processing material 20 is achieved, and the side edge punch has the advantages of being simple in structure, easy to implement, and capable of improving the production quality and the production reliability.

The stopper 42 may be a wavy concave-convex portion disposed in parallel on both side wall surfaces of the washtrough 41, so that the scrap 21 cannot move horizontally in the washtrough 41 but can move vertically along the washtrough 41. The punch groove 41 is provided with a limiting part 42, and the side edge punch 30 is also provided with a corresponding matching part so that the shape of the side edge punch 30 is matched with the shape of the punch groove 41.

Referring to fig. 2, in a preferred embodiment, at least two points on the position-limiting portion 42 have different distances from the side wall of the washtrough 41 opposite to the position-limiting portion 42, so that the width of at least one point of the slug 21 is narrowed toward the portion of the washtrough 41 that is not covered by the slug 21.

At least two points on the limiting part 42 have different distances from the side wall of the punching groove 41, so that the width of at least one part of the waste 21 generated by punching is narrowed towards the direction of the part of the punching groove 41 which is not shielded by the waste 21, and the waste 21 can be further limited to horizontally move in the punching groove 41 through the width.

Referring to fig. 2, as a specific embodiment, the limiting portion 42 is an inclined surface 43 disposed on the punching groove 41, and an included angle between the inclined surface 43 and an adjacent wall surface of the punching groove 41 is an acute angle.

The inclined surface 43 is used to narrow the width of at least one portion of the slug 21 in the direction of the portion of the chute 41 not covered by the slug 21. By arranging the inclined surfaces 43, the inclined surfaces 43 are inclined from two sides of the washtrough 41 to the center, so that the width of at least one part of the waste 21 is narrowed towards the direction of the part of the washtrough 41 which is not shielded by the waste 21, further the waste 21 cannot horizontally move in the washtrough 41 due to the narrowed width, the waste 21 is kept in pressing contact with the wall surface of the washtrough 41, and the waste 21 and the washtrough 41 have enough friction force to prevent the waste 21 from rising. The width of the scrap 21 is the distance between points where a straight line along which the work material 20 moves intersects with the edge of the scrap 21.

In a preferred embodiment, the cross section of the punch groove 41 is a pentagon, and the inclined surface 43 is provided on the oblique side of the right trapezoid to form a V-shaped convex mouth, thereby forming the pentagon.

Referring to fig. 3, the utility model provides a stamping equipment, include: a first driving mechanism and the stamping die for preventing the scrap from rebounding described in the above embodiment, the first driving mechanism is connected with the side edge punch 30 and/or the female die 40 to drive the side edge punch 30 to extend into the punching groove 41.

The driving mechanism drives the side edge punch 30 to extend into the punching groove 41 to punch the processing material 20, and the generated waste 21 is not adsorbed on the side edge punch 30 or rebounded to the processing material 20, so that the quality of products is improved, the reliability of production is improved, and the occurrence rate of faults is reduced.

Referring to fig. 3, as a preferred embodiment, the punching machine further includes a false detection block 50, a detection mechanism 60 and a second driving mechanism, the side edge punch 30 extends into the punch groove 41 to punch out a false detection notch 22 on the machining material 20, an end of the false detection block 50 can extend into the false detection notch 22, the second driving mechanism is connected to the false detection block 50 to drive the false detection block 50 to move towards the machining material 20, the detection mechanism 60 is connected to the false detection block 50 to detect whether the false detection block 50 is in contact with the machining material 20, and the detection mechanism 60 is electrically connected to the second driving mechanism to control the second driving mechanism to operate according to a detection result.

The processing material 20 is punched to form the false detection notch 22, and whether the feeding of the processing material 20 is correct is judged according to whether the false detection block 50 contacts the processing material 20 in the process of extending into the false detection notch 22. If the false detection block 50 contacts the processing material 20, the fact that the conveying position of the processing material 20 deviates is meant, and the false detection block 50 is pressed against the processing material 20, so that the detection mechanism 60 is triggered, and the detection mechanism 60 controls the second driving mechanism to stop working so as to check the reason that the conveying deviation of the processing material 20 is caused; if the error detection block 50 is inserted into the error detection notch 22 smoothly, it means that the feed position of the work material 20 is correct, and the detection mechanism 60 is not triggered, and the press production is continued. With the above process, the punching production can be stopped when the position of the processing material 20 is deviated, so that a large amount of punching products which do not conform to the specification can be prevented from being produced, economic loss is prevented, and the reliability of the punching production is improved.

The punching device generally includes an upper die 70 for fixing components such as a punch, a guide post, and the like, referring to fig. 3, the detection mechanism 60 may be an embodiment including an elastic member 61, a transmission rod 62, and a trigger button 63 all disposed on the upper die 70, the false detection block 50 is connected to the elastic member 61 so that the false detection block 50 contacts with the processing material 20 to compress the elastic member 61 and the false detection block 50 stops moving, an arc-shaped opening is disposed on the false detection block 50, the transmission rod 62 is provided with an arc-shaped head matching with the arc-shaped opening and the arc-shaped head abuts against the arc-shaped opening so that when the false detection block 50 abuts against the processing material 20 to stop moving, the arc-shaped opening pushes the arc-shaped head to move the transmission rod 62 to press the trigger button 63, the trigger button 63 is electrically connected to the second driving mechanism, and when the trigger button 63 is pressed.

In practice, the first drive mechanism and the second drive mechanism may be the same drive mechanism. The limit part 42 of the punching groove 41 can be improved on the basis of the original shape, so that the false detection block 50 can also extend into the formed false detection notch 22, the false detection block 50 does not need to be replaced, and the cost and the time are saved.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. Prevent stamping die of waste material rebound, its characterized in that includes: the side edge punching die comprises a side edge punching head (30) and a female die (40), wherein a punching groove (41) matched with the side edge punching head (30) is formed in the female die (40), the side edge punching head (30) can extend into the punching groove (41) to punch a machining material (20), and a limiting part (42) is arranged in the punching groove (41) to limit waste materials (21) generated in punching to horizontally move in the punching groove (41).

2. The scrap rebound prevention stamping die of claim 1, wherein: the distance from at least two points on the limiting part (42) to the side wall of the punching groove (41) opposite to the limiting part (42) is unequal, so that the width of at least one part of the waste material (21) is narrowed towards the direction of the part, which is not shielded by the waste material (21), of the punching groove (41).

3. The scrap-rebound prevention press die according to claim 1 or 2, wherein: the limiting part (42) is an inclined surface (43) arranged on the punching groove (41), and an included angle between the inclined surface (43) and the wall surface of the adjacent punching groove (41) is an acute angle.

4. Stamping apparatus, its characterized in that includes: a first drive mechanism coupled to the side-edge punch (30) and/or the female die (40) to drive the side-edge punch (30) into the punch channel (41), and the scrap-ejection prevention punch mold of any of claims 1-3.

5. The stamping apparatus of claim 4, wherein: still include false retrieval block (50), detection mechanism (60) and second actuating mechanism, side sword drift (30) stretch into form false retrieval incision (22) to processing material (20) blanking in dashing the groove (41), the tip of false retrieval block (50) can stretch into false retrieval incision (22), second actuating mechanism is connected with false retrieval block (50) and moves to processing material (20) in order to drive false retrieval block (50), detection mechanism (60) are connected with false retrieval block (50) and whether contact with processing material (20) in order to detect false retrieval block (50), this mechanism electric connection of detection mechanism (60) and second drive is in order to control the work of second actuating mechanism according to the testing result.