CN215199285U - Corner-buckling forming mechanism without round corners - Google Patents

Abstract

The utility model discloses a no fillet knot angle forming mechanism, including the top punch, the lower punch, a spring, go up mould and lower mould, it is equipped with first shaping surface to go up the mould, the lower mould is equipped with second shaping surface, the top punch is equipped with punching press face and third shaping surface, the punching press face is perpendicular with first shaping surface and second shaping surface homogeneous phase, the punching press face parallels with the third shaping surface, the one end of top punch inlays and is installed in the top mould, and be connected with the one end of spring, the lower punch inlays and is installed in the lower mould, the other end of top punch can be followed and is worn out from last mould, and be connected with the lower punch, the other end of spring is connected with last mould. The utility model discloses in, can guarantee the perpendicular of punching press face and first forming surface and second forming surface, can fully keep with the parallel homoenergetic of third forming surface, then its stamping forming's of above-mentioned product corner, under the extrusion of punching press face, first forming surface, second forming surface and third forming surface, can mound into the right angle with product stamping forming's corner, avoided the fillet of this position or detain the formation at angle.

Description

Corner-buckling forming mechanism without round corners

Technical Field

The utility model belongs to the technical field of mechanical design and specifically relates to a no fillet knot angle forming mechanism is related to.

Background

Stamping is a common machining method, and mainly applies a stamping force to a product to cause material separation or plastic deformation of the product, so as to obtain a machining process of a required stamping part.

The punching process often depends on the use of a punching die, the common punching die usually comprises an upper die and a lower die, a punch is arranged on the upper die, a product to be punched is placed on the lower die, and the product on the lower die is impacted by the punch on the upper die to realize punching.

However, after the product is stamped by using a common stamping die, a fillet or a corner buckle often appears at the corner of the product, mainly because most of the punches in the stamping die are limited and small, the punch cannot be fully attached to the stamping position of the product stamped by the stamping die, and the stamping die structure is used for obtaining the right angle at the corner of the stamping die instead of the fillet or the corner buckle, so that the processing requirement of the product cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no fillet knot angle forming mechanism can solve one or more of above-mentioned problem.

According to the utility model discloses an aspect provides a no fillet knot angle forming mechanism, including upper punch, lower punch, spring, go up mould and lower mould, it is equipped with first shaping surface to go up the mould, the lower mould is equipped with second shaping surface, the upper punch is equipped with punching press face and third shaping surface, the punching press face is perpendicular with first shaping surface and second shaping surface homogeneous phase, the punching press face parallels with third shaping surface, the one end of upper punch inlays the dress in the upper die to be connected with the one end of spring, the lower punch inlays the dress in the lower mould, the other end of upper punch can be worn out from last mould to be connected with the lower punch, the other end of spring is connected with last mould.

The utility model has the advantages that: the utility model discloses in, go up mould and lower mould and can push down the fashioned product of needs, and the top punch can carry out stamping process to the product downwards, and after the top punch removed the certain distance, it can be connected with the bottom punch, and under the effect of spring, keep this connection reliably, thereby come to carry out abundant fixed to the drift, in order to guarantee the perpendicular of punching press face and first shaping face and second shaping face, can fully keep with the parallel homoenergetic of third shaping face, then its stamping forming's of above-mentioned product corner, at the punching press face, first shaping face, under the extrusion of second shaping face and third shaping face, can mound into the right angle with the corner of product stamping forming, the fillet of this position or the formation of detaining the angle have been avoided.

In some embodiments, the upper die comprises an upper die base, an upper clamping plate and an upper pressing plate, and the upper die base, the upper clamping plate and the upper pressing plate are connected in sequence.

In some embodiments, the upper die includes an upper swage spring connected to the upper die base, and the upper swage spring is connected to the upper swage plate. Therefore, the upper pressing spring can abut against the upper pressing plate under the elastic action, so that the upper pressing plate can be pressed on a product to be processed all the time, and the phenomenon that the punching processing precision of the product to be processed is reduced due to the fact that the product to be processed is separated from the upper pressing plate under the punching force when the product to be processed is punched is avoided.

In some embodiments, the side of the upper punch is provided with a fixture block embedded in the upper clamping plate, and the upper punch passes through the upper clamping plate and the upper pressing plate in sequence and then is exposed from the upper pressing plate. The arrangement of the clamping block can increase the contact area between the upper punch and the upper die, and improve the fixing reliability of the upper punch in the upper die.

In some embodiments, the lower die comprises a lower die base, a lower backing plate, a lower clamping plate and a lower pressing plate, and the lower die base, the lower backing plate, the lower clamping plate and the lower pressing plate are connected in sequence.

In some embodiments, the lower die includes a lower pressing spring connected to the lower pad plate, and the lower pressing spring is connected to the lower pressing plate. From this, the blanking spring can support blanking plate down under the elastic action, makes blanking plate can press on waiting to process the product all the time down, avoids waiting to process the product and takes place to separate because of receiving the stamping force and blanking plate down when the punching press, and leads to the decline of its punching press machining precision.

In some embodiments, the lower punch is mounted on the lower bolster plate, the lower punch being directly opposite the upper punch. Therefore, the punching force applied to the lower punch can be transmitted to the lower die base through the lower backing plate, and the damage to the lower die base is reduced.

In some embodiments, the upper punch is provided with a protrusion, and the lower punch is provided with a groove, and the protrusion can be embedded into the groove. The arrangement of the bulges and the grooves can increase the contact area of the upper punch and the lower punch after connection, and improve the connection strength between the upper punch and the lower punch.

Drawings

Fig. 1 is a front view of a corner-forming mechanism without rounded corners according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a corner forming mechanism without a fillet according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic structural diagram of an upper punch according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a lower punch according to an embodiment of the present invention.

In the figure: 1. the stamping die comprises an upper punch, a lower punch, a spring, an upper die, a lower die, a die holder, an upper die seat, an upper clamping plate, an upper material pressing plate, a first molding surface, an upper material pressing spring, a lower die seat, a lower backing plate, a lower clamping plate, a lower material pressing plate, a lower molding surface, a third molding surface, a lower material pressing plate, a second molding surface, a third molding surface, a lower material pressing spring, a clamping block, a stamping surface, a protrusion, a groove and a product, wherein the upper punch, the lower die, the upper die, the lower die, 41, the upper die seat, the upper clamping plate, the lower clamping plate, 43, the upper material pressing plate, 431, the first molding surface, the upper molding surface, the lower backing plate, 53, the lower clamping plate, 54, the lower material pressing plate, 541, the third molding surface, the lower die, the product, the lower die and the product, the product and the product.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, the utility model discloses a no fillet knot angle forming mechanism, including top punch 1, bottom punch 2, spring 3, last mould 4 and lower mould 5.

The upper die 4 includes an upper die holder 41, an upper clamp plate 42, and an upper blank holder 43. The upper die holder 41, the upper clamping plate 42 and the upper pressing plate 43 are sequentially connected from top to bottom, and a first molding surface 431 is arranged on the bottom surface of the upper pressing plate 43.

The upper die 4 further comprises an upper pressing spring 44, the upper pressing spring 44 is connected with the upper die base 41, and the upper pressing spring 44 is connected with the upper pressing plate 43.

The side part of one end of the upper punch 1 is provided with a fixture block 11, the fixture block 11 is fixedly embedded in an upper clamping plate 42 of the upper die 4, the end of the upper punch 1 is also connected with one end of a spring 3, the other end of the spring 3 is connected with an upper die base 41 of the upper die 4, and the spring 3 is arranged in the upper die base 41.

The other end of the upper punch 1 sequentially passes through the upper clamping plate 42 and the upper pressing plate 43 of the upper die 4 and then is exposed from the upper pressing plate 43, the side surface of the upper punch 1 is provided with a punching surface 12, and the punching surface 12 of the upper punch 1 is perpendicular to the first molding surface 431.

The lower die 5 comprises a lower die base 51, a lower backing plate 52, a lower clamping plate 53 and a lower material pressing plate 54, the lower die base 51, the lower backing plate 52, the lower clamping plate 53 and the lower material pressing plate 54 are sequentially connected from bottom to top, a second molding surface 541 and a third molding surface 542 are arranged on the top surface of the lower material pressing plate 54, the upper material pressing plate 43 of the upper die 4 is opposite to the lower material pressing plate 54 of the lower die 5, the first molding surface 431 and the second molding surface 541 are arranged in parallel, the third molding surface 542 is connected with the second molding surface 541 and is perpendicular to the second molding surface, the set second molding surface 541 is also perpendicular to the stamping surface 12, and the third molding surface 542 is parallel to the stamping surface 12.

The lower die 5 further includes a lower pressing spring 55, the lower pressing spring 55 is connected to the lower backing plate 52, and the lower pressing spring 55 is further connected to the lower pressing plate 54.

The lower punch 2 is fixedly installed on the lower backing plate 52, the lower punch 2 is embedded in the lower clamping plate 53 and the lower material pressing plate 54, the lower punch 2 is arranged to be opposite to the upper punch 1, and the end, exposed out of the upper material pressing plate 43, of the upper punch 1 can be pressed on the lower punch 2 when needed to be connected with the lower punch 2.

The bottom of the upper punch 1 is also provided with a protrusion 13, the top of the lower punch 2 is provided with a groove 21, and the shape of the protrusion 13 and the shape of the groove 21 are matched, so that the protrusion 13 can be embedded into the groove 21 when the upper punch 1 and the lower punch 2 are connected.

The utility model discloses when using, go up mould 4 and lower mould 5 and can carry out the compound die for go up on mould 4 and press flitch 54 down on flitch 43 and the lower mould 5 and can push down the fixed that needs fashioned product 10 to realize product 10, and go up and press flitch 43 can withstand last flitch 43 of pressing material spring 44, press flitch 54 down to press material spring 55 down can withstand, press flitch 43 and press flitch 54 down to the fixed reliability of product 10 under guaranteeing with this.

The upper punch 1 can press the product 10 downwards, and when the upper punch 1 can move to be connected with the lower punch 2, the protrusion 13 on the upper punch 1 can be embedded into the groove 21 of the lower punch 2, so that the contact area between the two is increased, the connection strength is improved, and the spring 3 can be propped against the upper punch 1, so that the connection reliability of the upper punch 1 and the lower punch 2 is further ensured.

At this time, the stamping surface 12 on the upper punch 1 can effectively maintain the first molding surface 431 and the second molding surface 541 perpendicular, and is also parallel to the third molding surface 542, so that the product 10 is extruded by the stamping surface 12, the first molding surface 431, the second molding surface 541 and the third molding surface 542 at the corner where the product is stamped, thereby upsetting the corner where the product 10 is stamped into a right angle, and avoiding the formation of a round corner or a buckling corner at the position.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (8)

1. The fillet-free corner buckling forming mechanism is characterized by comprising an upper punch, a lower punch, a spring, an upper die and a lower die, wherein the upper die is provided with a first forming surface, the lower die is provided with a second forming surface and a third forming surface, the upper punch is provided with a punching surface, the punching surface is perpendicular to the first forming surface and the second forming surface, the punching surface is parallel to the third forming surface, one end of the upper punch is embedded in the upper die and connected with one end of the spring, the lower punch is embedded in the lower die, the other end of the upper punch can penetrate out of the upper die and is connected with the lower punch, and the other end of the spring is connected with the upper die.

2. The corner forming mechanism of claim 1, wherein the upper mold comprises an upper mold base, an upper clamping plate and an upper pressing plate, and the upper mold base, the upper clamping plate and the upper pressing plate are sequentially connected.

3. The corner forming mechanism of claim 2, wherein the upper mold comprises an upper pressing spring, the upper pressing spring is connected with the upper mold base, and the upper pressing spring is connected with the upper pressing plate.

4. The non-fillet corner-buckling forming mechanism according to claim 2, wherein a clamping block is arranged on a side portion of the upper punch, the clamping block is embedded in the upper clamping plate, and the upper punch passes through the upper clamping plate and the upper pressing plate in sequence and then is exposed from the upper pressing plate.

5. The corner forming mechanism is buckled to no fillet of claim 1, characterized in that, the lower mould includes die holder, lower bolster, lower plate and lower pressure flitch, die holder, lower bolster, lower plate and lower pressure flitch are connected gradually.

6. The corner forming mechanism of claim 5, wherein the lower mold comprises a lower pressing spring, the lower pressing spring is connected with the lower backing plate, and the lower pressing spring is connected with the lower pressing plate.

7. The corner fitting forming mechanism according to claim 5, wherein the lower punch is mounted on the lower backing plate, and the lower punch is opposite to the upper punch.

8. The corner joint forming mechanism without the fillet according to claim 1, wherein the upper punch is provided with a protrusion, the lower punch is provided with a groove, and the protrusion can be embedded into the groove.

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