CN116652011A - Flange rotary-cut mould - Google Patents

Abstract

A flange rotary-cut die comprises a lower die device and an upper die device; the upper die device comprises an upper die holder, an upper rotary cutter which is arranged at the lower part of the upper die holder in an up-down movable way, an upper segment cutting-off cutter which is arranged on the upper rotary cutter and protrudes downwards from the upper rotary cutter, and a driving assembly for driving the upper rotary cutter to move transversely so as to realize a rotary cutting effect, wherein the driving assembly comprises a rotary cutting guide block which is arranged at the lower part of the upper die holder and a rotary cutting driving block which moves synchronously with the upper rotary cutter, the side part of the rotary cutting guide block is provided with a concave-convex guide surface which extends vertically, the rotary cutting driving block is provided with a concave-convex part which is matched with the concave-convex guide surface, and the concave-convex part drives the upper rotary cutter to move transversely relative to the concave-convex guide surface when moving vertically; the lower die device comprises a lower die base, a lower die cutter set arranged on the lower die base and a lower die plate transversely movably arranged on the lower die cutter set. The invention can cut off the side part of the workpiece at the flange edge part and the part connected with the flange edge part.

Description

Flange rotary-cut mould

Technical Field

The invention belongs to the technical field of dies, and particularly relates to a flange rotary-cut die.

Background

As shown in fig. 1-6 and 8, the whole workpiece is in a round cover shape, the bottom edge of the workpiece is provided with a ring-shaped flange edge part which extends horizontally outwards, wherein one subsequent processing procedure related to the workpiece is as follows: the flange edge of the workpiece is cut off, and the side part of the workpiece connected with the flange edge is cut off.

In the prior art, the die-cut mould is the round to flange limit portion die-cut back flange limit portion waste material, and the die-cut mould can't set up the blanking groove of round, and the flange limit portion waste material of round can't discharge through the blanking groove on the mould, and traditional die-cut mould only can carry out the vertical cutting of work piece, can only excision flange limit portion promptly, and the die-cut mould can't realize horizontal cutting, can't cut the part work piece lateral part that meets with flange limit portion, can't realize the complete processing of work piece, has certain limitation, consequently, the novel mould of adaptation aforementioned work piece processing of needs to be designed.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a flange rotary-cut die.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows:

a flange rotary-cut die comprises a lower die device for placing a workpiece and an upper die device matched with the lower die device and used for rotary-cutting the workpiece;

the upper die device comprises an upper die holder, an upper rotary cutter, an upper segment cutting knife and a driving assembly, wherein the upper rotary cutter is movably arranged at the lower part of the upper die holder, the upper segment cutting knife is arranged on the upper rotary cutter and protrudes downwards from the upper rotary cutter, the driving assembly is used for driving the upper rotary cutter to transversely move so as to achieve a rotary cutting effect, the driving assembly comprises a rotary cutting guide block arranged at the lower part of the upper die holder and a rotary cutting driving block which synchronously moves with the upper rotary cutter, the side part of the rotary cutting guide block is provided with a concave-convex guide surface which vertically extends, the rotary cutting driving block is provided with a concave-convex part matched with the concave-convex guide surface, and the concave-convex part drives the upper rotary cutter to transversely move relative to the concave-convex guide surface when vertically moving;

the lower die device comprises a lower die base, a lower die cutter group and a lower die plate, wherein the lower die cutter group is arranged on the lower die base and is used for being matched with the upper rotary cutter and the upper sectional cutting cutter, and the lower die plate is transversely movably arranged on the lower die cutter group and is used for placing a workpiece.

In a further scheme of the invention, the rotary cutting guide block comprises a front guide block, a rear guide block, a left guide block and a right guide block, wherein the front guide block and the rear guide block which are used for driving the upper rotary cutting knife to move along the front-rear direction are respectively arranged on the upper die holder corresponding to the front part and the rear part of the upper rotary cutting knife; the left part and the right part of the upper die holder, which correspond to the upper rotary cutter, are respectively provided with a left guide block and a right guide block for driving the upper rotary cutter to move along the left-right direction; the rotary cutting guide block is positioned at the outer side of the rotary cutting driving block.

In a further scheme of the invention, a knife edge groove is formed on the upper rotary cutter, and the lower template and the lower die knife set are opposite to the knife edge groove;

the upper sectional cutting knives are at least two groups and are circumferentially arranged at the periphery of the knife edge groove at intervals, the lower die knife group comprises lower rotary knives which are arranged on the lower die base and are matched with the upper rotary knives, and lower sectional cutting knives which are matched with the upper sectional cutting knives, and the upper sectional cutting knives and the lower sectional cutting knives are identical in number and are arranged in one-to-one correspondence.

In a further scheme of the invention, the lower segmented cutting knives are arranged on the lower rotary cutting knives and positioned at the edges of the lower rotary cutting knives, the number of the upper segmented cutting knives is four groups, the upper segmented cutting knives are uniformly distributed along the circumferential direction at intervals, and the four groups of upper segmented cutting knives are distributed in a front-back and left-right mode.

In a further scheme of the invention, the lower die device comprises a lower base plate arranged on the lower die holder, a lower friction block arranged on the lower base plate and used for being abutted against the upper rotary cutter, a lower foot pad arranged at the bottom of the lower die holder and a bottom plate arranged at the bottom of the lower foot pad, the lower die cutter group is arranged on the lower base plate, and the lower friction block is positioned at the periphery of the lower die cutter group.

In a further scheme of the invention, a lower transverse moving groove is arranged on the lower template, a limit screw penetrating through the lower transverse moving groove and fixedly connected with the lower die cutter set is arranged on the lower template, a spacing interval is reserved between the inner side of the lower transverse moving groove and the side part of the limit screw, and the limit screw is fixedly connected with a lower rotary cutter of the lower die cutter set.

In a further scheme of the invention, a segmented trough is arranged on the lower die device and is communicated with the bottom plate, and the segmented trough is arranged between two adjacent upper segmented cutting knives on the lower die device, and the segmented trough is positioned at the periphery of the lower die knife group.

In a further scheme of the invention, the upper die device comprises a pressing plate arranged at the upper part of the upper rotary cutter, the rotary cutting driving block is connected to the upper part of the upper rotary cutter, and the pressing plate is positioned in the rotary cutting driving block.

In a further scheme of the invention, the upper die device comprises an upper mounting plate arranged at the bottom of an upper die holder, an upper base plate arranged at the bottom of the upper mounting plate, an upper base pin arranged at the upper part of the upper die holder and a top plate arranged at the upper part of the upper base pin, a rotary-cut driving block is connected to the lower part of the upper base plate, a material pressing plate is vertically movably arranged in the rotary-cut driving block, a vertical movable groove is arranged at the inner side of the rotary-cut driving block, the material pressing plate is arranged in the vertical movable groove, and a first spring and a second spring are respectively arranged between the upper base plate and the top plate and between the material pressing plate and the upper mounting plate;

the upper base plate is provided with an upper transverse moving groove, the upper die holder is provided with a limit bolt penetrating through the upper mounting plate and extending into the upper transverse moving groove, a spacing interval is reserved between the inner side of the upper transverse moving groove and the limit bolt, and the rotary cutting driving block is fixedly connected to the lower portion of the upper base plate.

In a further scheme of the invention, the upper die device comprises an upper die base which is arranged at the bottom of the upper die base and is positioned outside the rotary cutting guide block, a positioning groove is arranged on the upper die base corresponding to the rotary cutting guide block, and the rotary cutting guide block is at least partially positioned in the positioning groove.

The beneficial effects of the invention are as follows:

the flange rotary cutting die can cut the flange edge of the workpiece and the side part of the workpiece connected with the flange edge, has high production efficiency, is used for rotary cutting of the workpiece by matching the upper rotary cutting knife with the lower die knife set, is used for sectionally cutting the workpiece by matching the upper sectioning cutting knife with the lower die knife set, ensures that the waste material forms multiple sections, is convenient for discharging the waste material, and avoids falling off in whole circle of the waste material.

Drawings

Fig. 1 is a cross-sectional view of some embodiments of the invention.

Fig. 2 is a partial enlarged view of the portion a in fig. 1.

Fig. 3 is an exploded view of an upper die assembly and a workpiece in accordance with some embodiments of the invention.

Fig. 4 is an exploded view of a lower die apparatus and a workpiece in accordance with some embodiments of the invention.

Fig. 5 is a cross-sectional view of an upper die assembly in accordance with some embodiments of the invention.

Fig. 6 is a schematic diagram of cutting in some embodiments of the invention.

Fig. 7 is a cross-sectional view of a lower die plate and lower die blade set in some embodiments of the invention.

Fig. 8 is an exploded view of some embodiments of the invention.

Fig. 9 is a schematic diagram of a driving assembly and a lower die blade set according to some embodiments of the present invention.

Fig. 10 is a schematic view of a drive assembly moving to the left relative to a lower die cutter set in some embodiments of the invention.

FIG. 11 is a schematic view of the drive assembly moving rearward relative to the lower die blade set in some embodiments of the invention.

FIG. 12 is a schematic view of a drive assembly moving rightward relative to a lower die blade set in some embodiments of the invention.

Fig. 13 is a schematic view of the forward movement of the drive assembly relative to the lower die blade set in some embodiments of the invention.

Fig. 14 is a schematic view of a drive assembly moving to the left relative to a lower die cutter set in some embodiments of the invention.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 14, the flange rotary-cut die comprises a lower die device 2 for placing a workpiece 3 and an upper die device 1 which is matched with the lower die device 2 and rotates the workpiece 3 in a rotary-cut manner, and the flange rotary-cut die can cut off a flange edge 31 of the workpiece 3 and a part of a side part of the workpiece 3 (in this embodiment, a side lower part of the workpiece 3) connected with the flange edge.

As shown in fig. 1, 2, 3 and 5, the upper die device 1 comprises an upper die holder 11, an upper rotary cutter 12 movably arranged at the lower part of the upper die holder 11, an upper segment cutting blade 13 arranged on the upper rotary cutter 12 and protruding downwards from the upper rotary cutter 12, and a driving component for driving the upper rotary cutter 12 to move transversely so as to realize the rotary cutting effect, wherein the driving component comprises a rotary cutting guide block 51 arranged at the lower part of the upper die holder 11 and a rotary cutting driving block 52 which moves synchronously with the upper rotary cutter 12, the side part of the rotary cutting guide block 51 is provided with a concave-convex guide surface 510 extending vertically, the rotary cutting driving block 52 is provided with a concave-convex part 520 matched with the concave-convex guide surface 510, the concave-convex guide surface 510 and the concave-convex part 520 are respectively provided with a concave position and a convex position arranged vertically, when the rotary cutting guide block 51 moves vertically relative to the rotary cutting driving block 52, and the concave-convex position on the concave-convex guide block 520 are matched with different concave-convex positions on the concave-convex guide surface 510 can drive the rotary cutting guide block 52 to move transversely so as to drive the concave-convex guide block 52 to move transversely relative to the rotary cutting guide block 520;

as shown in fig. 1, 4 and 7, the lower die device 2 includes a lower die holder 21, a lower die blade set 20 disposed on the lower die holder 21 and used for being matched with the upper rotary cutter 12 and the upper segment cutting blade 13, and a lower die plate 22 disposed on the lower die blade set 20 in a transversely moving manner and used for placing the workpiece 3, when the upper rotary cutter 12 is pressed down on the lower die device 2, the upper rotary cutter 12 is disposed on the periphery of the lower die plate 22 and the workpiece 3, the upper rotary cutter 12 is disposed on the upper portion of the lower die blade set 20, the upper segment cutting blade 13 is disposed on the periphery of the lower die blade set 20 and opposite to the lower die blade set 20, the portion (flange edge 31, the portion of the workpiece side portion connected with the flange edge) of the workpiece 3 to be cut is disposed below the upper rotary cutter 12 and outside the lower die blade set 20, and when the upper rotary cutter 12 transversely moves, the workpiece 3 and the lower die plate 22 are driven to transversely move synchronously; as shown in fig. 6, the lower die cutter set 20 is cut out outwards relative to the workpiece 3, so as to cut corresponding parts of the workpiece 3, the cooperation of the upper rotary cutter 12 and the lower die cutter set 20 is used for rotary cutting of the workpiece 3, and the cooperation of the upper segment cutting cutter 13 and the lower die cutter set 20 is used for segment cutting of the workpiece 3, so that waste materials form a plurality of segments, the waste materials are conveniently discharged, and the whole circle of the waste materials is prevented from falling.

The operation steps are as follows when the flange rotary cutting die is applied:

(1) Placing a workpiece 3:

the workpiece 3 is placed on a lower die plate 22 of the lower die device 2, the relative positions of the upper rotary cutter 12 and the lower die cutter set 20 are shown in fig. 9, and the axes of the upper rotary cutter 12, the lower die cutter set 20 and the lower die plate 22 are coincident;

(2) The upper segment cutter 13 is lowered into position:

the upper die device 1 descends, the upper die device 1 presses the workpiece 3 on the lower die device 2, the upper segment cutting knife 13 turns down the part of the workpiece 3 opposite to the flange edge 31, the upper rotary cutting knife 12 is attached to and abutted against the lower die device 2 (particularly the subsequent lower friction block 26), and the upper rotary cutting knife 12 is positioned at the periphery of the lower die knife set 20 and the side part of the workpiece 3;

(3) Cutting the right part of the workpiece 3:

as shown in fig. 10, the upper die device 1 and the rotary cutting guide block 51 continue to move downwards, the rotary cutting driving block 52 is driven to move left, the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to move left synchronously, which is equivalent to the rightward movement of the lower die cutter group 20 relative to the workpiece 3, and the right part of the workpiece 3 is cut by the cooperation of the upper rotary cutter 12 and the lower die cutter group 20;

(4) Front right cutting and front cutting of the workpiece 3:

as shown in fig. 11, the upper die device 1 and the rotary cutting guide block 51 continue to move downwards, the rotary cutting driving block 52 is driven to move backwards, the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to move backwards synchronously, which is equivalent to the forward movement of the lower die cutter set 20 relative to the workpiece 3, the cooperation of the upper rotary cutter 12 and the lower die cutter set 20 cuts the right front part of the workpiece 3, and the cooperation of the upper segment cutting cutter 13 and the lower die cutter set 20 cuts the front part of the workpiece 3;

(5) Left front cut, left cut of the work 3:

as shown in fig. 12, the upper die device 1 and the rotary cutting guide block 51 continue to move downwards, the rotary cutting driving block 52 is driven to move right, the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to move right synchronously, which is equivalent to the left movement of the lower die cutter set 20 relative to the workpiece 3, the cooperation of the upper rotary cutter 12 and the lower die cutter set 20 cuts the left front part of the workpiece 3, the cooperation of the upper segment cutting cutter 13 and the lower die cutter set 20 cuts the left part of the workpiece 3, and the left front part of the workpiece 3 forms segment waste and falls;

(6) Left rear cutting and rear cutting of the workpiece 3:

as shown in fig. 13, the upper die device 1 and the rotary cutting guide block 51 continue to move downwards, the rotary cutting driving block 52 is driven to move forwards, the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to move forwards synchronously, the lower die cutter group 20 moves backwards relative to the workpiece 3, the cooperation of the upper rotary cutter 12 and the lower die cutter group 20 cuts the left rear part of the workpiece 3, the cooperation of the upper segment cutting cutter 13 and the lower die cutter group 20 cuts the rear part of the workpiece 3, and the left rear part of the workpiece 3 forms segment waste and falls;

(7) Cutting the right rear part of the workpiece 3, cutting the right part:

as shown in fig. 14, the upper die apparatus 1 and the rotary cutting guide block 51 continue to move downward, the rotary cutting driving block 52 is driven to move leftward, the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to move leftward synchronously, which is equivalent to the rightward movement of the lower die cutter set 20 relative to the workpiece 3, the cooperation of the upper rotary cutter 12 and the lower die cutter set 20 cuts the right rear part of the workpiece 3, the cooperation of the upper segment cutting cutter 13 and the lower die cutter set 20 cuts the right part of the workpiece 3, and the right rear part and the right front part of the workpiece 3 respectively form segment waste and fall.

(8) The upper die device 1 is reset upwards, the workpiece 3 is taken out and the processing of the next workpiece 3 is continued.

Of course, the cutting sequence of each position of the workpiece 3 may be adjusted, that is, the cutting sequences of steps (3) - (7) may be adjusted, and accordingly, the arrangement of the concave and convex positions on the concave-convex guiding surface 510 and the concave-convex portion 520 may be adjusted, so as to ensure that the portion to be cut can be completely cut.

The flange rotary-cut die is convenient to cut the flange edge 31 of the workpiece 3 and the side part of a part of the workpiece connected with the flange edge 31, has high production efficiency, can form a plurality of sections of flange edges 31 and corresponding waste materials after rotary-cut, and is convenient for discharging the waste materials.

In some embodiments of the present invention, as shown in fig. 3, 5, and 9-14, the rotary cutting guide block 51 includes a front-rear guide block 511 and a left-right guide block 512, wherein the front-rear guide block 511 and the left-right guide block 512 can be used for moving the upper rotary cutting blade 12 in the front-rear and left-right directions, and the front-rear guide block 511 for driving the upper rotary cutting blade 12 to move in the front-rear direction is respectively provided on the upper die holder 11 corresponding to the front and rear parts of the upper rotary cutting blade 12; left and right guide blocks 512 for driving the upper rotary cutter 12 to move in the left-right direction are respectively arranged on the upper die holder 11 corresponding to the left and right parts of the upper rotary cutter 12; as shown in fig. 1-3, 5, 9-14, the rotary cutting guide block 51 is located outside the rotary cutting drive block 52.

In some embodiments of the present invention, as shown in fig. 3 and 5, the upper rotary cutter 12 is provided with a knife edge groove 120, and the upper rotary cutter 12 is disposed on the outer side of the workpiece 3 on the lower die plate 22 through the knife edge groove 120, as shown in fig. 1, 2 and 9-14, the lower die plate 22 and the lower die cutter set 20 are opposite to the knife edge groove 120, as shown in fig. 1, 2 and 7, the projection of the lower die cutter set 20 is located inside the projection of the lower die plate 22, as shown in fig. 9-14, after the upper rotary cutter 12 drives the workpiece 3 and the lower die plate 22 to traverse, which is equivalent to that the lower die cutter set 20 can cut out the lower die plate 22 outwards, i.e. the projection of the lower die cutter set 20 is located at least partially outside the projection of the lower die plate 22.

The number of the upper segment cutting blades 13 is at least two, the upper segment cutting blades are circumferentially arranged at intervals on the periphery of the blade groove 120, the lower die blade group 20 comprises lower rotary cutting blades 23 which are arranged on the lower die holder 21 and matched with the upper rotary cutting blades 12, and lower segment cutting blades 24 which are matched with the upper segment cutting blades 13, as shown in fig. 6, the lower rotary cutting blades 23 of the lower die blade group 20 are outwards cut out relative to the workpiece 3, the cutting of corresponding parts of the workpiece 3 is realized, the upper segment cutting blades 13 and the lower segment cutting blades 24 are the same in number and are arranged in one-to-one correspondence, as shown in fig. 11-14, and the lower segment cutting blades 24 are matched with the corresponding upper segment cutting blades 13 when the lower rotary cutting blades 23 of the lower die blade group 20 are outwards cut out relative to the workpiece 3, so that the segment cutting of corresponding positions can be realized.

As shown in fig. 3 and 9-14, the lower segment cutting blades 24 are disposed on the lower rotary cutter 23 and located at the edge of the lower rotary cutter 23, so that the upper segment cutting blades 13 and the lower segment cutting blades 24 are convenient to cooperate, the number of the upper segment cutting blades 13 is four, the upper segment cutting blades 13 are uniformly distributed along the circumferential direction at intervals, the four upper segment cutting blades 13 are distributed in a front-back left-right manner, and the four upper segment cutting blades 13 and the four lower segment cutting blades 24 can cut waste into four segments, so that the waste is convenient to discharge.

In some embodiments of the present invention, as shown in fig. 1 and 4, the lower die apparatus 2 includes a lower pad 25 disposed on the lower die holder 21, a lower friction block 26 disposed on the lower pad 25 and used for abutting against the upper rotary cutter 12, a lower pad foot 27 disposed at the bottom of the lower die holder 21, and a bottom plate 28 disposed at the bottom of the lower pad foot 27, when the upper die apparatus 1 is downward, the upper rotary cutter 12 reaches the maximum position of downward movement when the upper rotary cutter 12 abuts against the lower friction block 26, the lower die cutter set 20 is disposed on the lower pad 25, and the lower friction block 26 is located at the periphery of the lower die cutter set 20.

In some embodiments of the present invention, as shown in fig. 7, a lower traverse groove 221 is formed on the lower die plate 22, a limit screw 222 penetrating through the lower traverse groove 221 and fixedly connected to the lower die blade set 20 is formed on the lower die plate 22, and a space is left between the inner side of the lower traverse groove 221 and the side of the limit screw 222, so that the lower die plate 22 can move in the lateral direction, back and forth, left and right directions relative to the lower die blade set 20, specifically, the limit screw 222 is fixedly connected to the lower rotary cutter 23 of the lower die blade set 20.

In some embodiments of the present invention, the lower die device 2 is provided with the segmented material grooves 29, the segmented material grooves 29 are communicated with the bottom plate 28, that is, the segmented material grooves 29 sequentially penetrate the lower friction block 26, the lower backing plate 25 and the lower die holder 21 downwards, the segmented material grooves 29 are respectively arranged between two adjacent upper segmented cutting blades 13 on the lower die device 2, the segmented material grooves 29 are located at the periphery of the lower die blade group 20, the number of the segmented material grooves 29 is the same as that of the upper segmented cutting blades 13, and the number of the segmented material grooves 29 is four groups and is uniformly distributed along the circumferential direction.

In some embodiments of the present invention, as shown in fig. 1, 3 and 5, the upper die apparatus 1 includes a pressing plate 14 disposed on an upper portion of the upper rotary cutter 12, the rotary cutter driving block 52 is connected to an upper portion of the upper rotary cutter 12, the pressing plate 14 is located inside the rotary cutter driving block 52, and when the upper die apparatus 1 descends and the upper rotary cutter 12 is abutted against the lower friction block 26, the pressing plate 14 of the upper die apparatus 1 presses down on the workpiece 3 to position the workpiece 3.

In some embodiments of the present invention, as shown in fig. 1, 3 and 5, the upper die apparatus 1 includes an upper mounting plate 15 disposed at the bottom of the upper die holder 11, an upper backing plate 16 disposed at the bottom of the upper mounting plate 15, an upper backing plate 17 disposed at the upper part of the upper die holder 11, and a top plate 18 disposed at the upper part of the upper backing plate 17, the rotary-cut driving block 52 is connected to the lower part of the upper backing plate 16, the pressing plate 14 is movably disposed up and down inside the rotary-cut driving block 52, a vertical movable slot 521 is disposed inside the rotary-cut driving block 52, the pressing plate 14 is disposed in the vertical movable slot 521, a first spring 191 and a second spring 192 are disposed between the upper backing plate 16 and the top plate 18, between the pressing plate 14 and the upper mounting plate 15, respectively, the upper mounting plate 15 is capable of moving up and down relative to the upper die holder 11, the pressing plate 14 is capable of moving up and down relative to the rotary-cut driving block 52, the rotary-cut driving block 52 is in a block shape, a section for setting the pressing plate 14 is provided at the center, four sides of the rotary-cut driving block 52, the concave-convex part 520 is disposed at the front part 520 and the rear part 520, a maximum horizontal guide block-to the left-side 520 is located at the left-side and the lowest horizontal guide block 52, and the left-side 52 is located at the lowest horizontal guide part 51, and the left-side 52 is located at the lowest horizontal guide part from the front side 52.

As shown in fig. 5, the upper pad 16 is provided with an upper lateral movement groove 161, the upper die holder 11 is provided with a limit bolt 162 penetrating through the upper mounting plate 15 and extending into the upper lateral movement groove 161, a space is left between the inner side of the upper lateral movement groove 161 and the limit bolt 162, and the rotary-cut driving block 52 is fixedly connected to the lower part of the upper pad 16, so that the upper pad 16 and the rotary-cut driving block 52 can move in the transverse front-rear left-right direction relative to the upper mounting plate 15 and the upper die holder 11.

In some embodiments of the present invention, as shown in fig. 1-3, the upper die apparatus 1 includes an upper die base 10 disposed at the bottom of the upper die holder 11 and located outside the rotary cutting guide block 51, a positioning groove 101 is disposed on the upper die base 10 corresponding to the rotary cutting guide block 51, the rotary cutting guide block 51 is at least partially located in the positioning groove 101, the positioning groove 101 is used for positioning the rotary cutting guide block 51, the outer portion of the rotary cutting guide block 51 is disposed against the side portion of the positioning groove 101, and when the rotary cutting guide block 51 moves downward to cooperate with the rotary cutting driving block 52, the upper die base 10 is used for supporting the rotary cutting guide block 51, limiting the outward swing of the rotary cutting guide block 51, and improving the stability of the rotary cutting guide block 51.

The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (10)

1. The flange rotary-cut die is characterized by comprising a lower die device (2) for placing a workpiece (3) and an upper die device (1) which is matched with the lower die device (2) and is used for rotary-cut of the workpiece (3);

the upper die device (1) comprises an upper die holder (11), an upper rotary cutter (12) which is arranged at the lower part of the upper die holder (11) in an up-down movable mode, an upper segment cutting knife (13) which is arranged on the upper rotary cutter (12) and protrudes downwards out of the upper rotary cutter (12), and a driving assembly which is used for driving the upper rotary cutter (12) to transversely move so as to achieve a rotary cutting effect, wherein the driving assembly comprises a rotary cutting guide block (51) which is arranged at the lower part of the upper die holder (11) and a rotary cutting driving block (52) which synchronously moves with the upper rotary cutter (12), an concave-convex guide surface (510) which extends vertically is arranged at the side part of the rotary cutting guide block (51), a concave-convex part (520) which is matched with the concave-convex guide surface (510) is arranged on the rotary cutting driving block (52), and the upper rotary cutter (12) is driven to transversely move relative to the concave-convex guide surface (510) when moving vertically;

the lower die device (2) comprises a lower die holder (21), a lower die knife set (20) which is arranged on the lower die holder (21) and is used for being matched with the upper rotary cutting knife (12) and the upper sectional cutting knife (13), and a lower die plate (22) which is transversely arranged on the lower die knife set (20) and is used for placing a workpiece (3).

2. The flange rotary cutting die as claimed in claim 1, wherein the rotary cutting guide block (51) comprises front and rear guide blocks (511) and left and right guide blocks (512), and front and rear guide blocks (511) for driving the upper rotary cutting blade (12) to move in the front and rear directions are respectively provided on the upper die holder (11) corresponding to the front and rear portions of the upper rotary cutting blade (12); left and right guide blocks (512) for driving the upper rotary cutter (12) to move in the left-right direction are respectively arranged on the upper die holder (11) corresponding to the left and right parts of the upper rotary cutter (12); the rotary cutting guide block (51) is positioned at the outer side of the rotary cutting driving block (52).

3. The flange rotary cutting die as claimed in claim 1, wherein the upper rotary cutting blade (12) is provided with a knife edge groove (120), and the lower die plate (22) and the lower die blade set (20) are opposite to the knife edge groove (120);

the number of the upper segment cutting knives (13) is at least two, the upper segment cutting knives are distributed at the periphery of the knife edge groove (120) at intervals along the circumferential direction, the lower die knife set (20) comprises lower rotary knives (23) which are arranged on the lower die holder (21) and are matched with the upper rotary knives (12) and lower segment cutting knives (24) which are matched with the upper segment cutting knives (13), and the upper segment cutting knives (13) and the lower segment cutting knives (24) are identical in number and are arranged in one-to-one correspondence.

4. A flange rotary cutting die as claimed in claim 3, wherein the lower segment cutting blades (24) are disposed on the lower rotary cutting blade (23) and located at edges of the lower rotary cutting blade (23), the number of the upper segment cutting blades (13) is four, and the upper segment cutting blades (13) are uniformly distributed along the circumferential direction at intervals, and the four upper segment cutting blades (13) are distributed in the front-rear-left-right direction.

5. A flange rotary cutting die as claimed in claim 3, wherein the lower die device (2) comprises a lower base plate (25) arranged on the lower die holder (21), a lower friction block (26) arranged on the lower base plate (25) and used for being propped against the upper rotary cutting knife (12), a lower foot pad (27) arranged at the bottom of the lower die holder (21) and a bottom plate (28) arranged at the bottom of the lower foot pad (27), the lower die knife assembly (20) is arranged on the lower base plate (25), and the lower friction block (26) is positioned at the periphery of the lower die knife assembly (20).

6. A flange rotary cutting die as claimed in claim 3, wherein the lower die plate (22) is provided with a lower transverse moving groove (221), the lower die plate (22) is provided with a limit screw (222) penetrating through the lower transverse moving groove (221) and fixedly connected with the lower die cutter set (20), a spacing interval is reserved between the inner side of the lower transverse moving groove (221) and the side part of the limit screw (222), and the limit screw (222) is fixedly connected with a lower rotary cutter (23) of the lower die cutter set (20).

7. The flange rotary cutting die according to claim 1, wherein the lower die device (2) is provided with a segmented trough (29), the segmented trough (29) is communicated with the bottom plate (28), the segmented trough (29) is arranged between two adjacent upper segmented cutting knives (13) on the lower die device (2), and the segmented trough (29) is located at the periphery of the lower die knife set (20).

8. The flange rotary cutting die as claimed in claim 1, wherein the upper die device (1) comprises a pressing plate (14) arranged on the upper portion of the upper rotary cutting blade (12), the rotary cutting driving block (52) is connected to the upper portion of the upper rotary cutting blade (12), and the pressing plate (14) is located inside the rotary cutting driving block (52).

9. The flange rotary-cut die as claimed in claim 8, wherein the upper die device (1) comprises an upper mounting plate (15) arranged at the bottom of the upper die holder (11), an upper base plate (16) arranged at the bottom of the upper mounting plate (15), an upper pad foot (17) arranged at the upper part of the upper die holder (11) and a top plate (18) arranged at the upper part of the upper pad foot (17), a rotary-cut driving block (52) is connected to the lower part of the upper base plate (16), a material pressing plate (14) is movably arranged in the rotary-cut driving block (52) up and down, a vertical movable groove (521) is arranged at the inner side of the rotary-cut driving block (52), the material pressing plate (14) is arranged in the vertical movable groove (521), and a first spring (191) and a second spring (192) are respectively arranged between the upper base plate (16) and the top plate (18) and between the material pressing plate (14) and the upper mounting plate (15);

an upper transverse moving groove (161) is formed in the upper base plate (16), a limit bolt (162) penetrating through the upper mounting plate (15) and extending into the upper transverse moving groove (161) is arranged on the upper die holder (11), a spacing interval is reserved between the inner side of the upper transverse moving groove (161) and the limit bolt (162), and a rotary cutting driving block (52) is fixedly connected to the lower portion of the upper base plate (16).

10. Flange rotary cutting die according to claim 1, characterized in that the upper die device (1) comprises an upper die base (10) arranged at the bottom of the upper die holder (11) and positioned outside the rotary cutting guide block (51), the upper die base (10) is provided with a positioning groove (101) corresponding to the rotary cutting guide block (51), and the rotary cutting guide block (51) is at least partially positioned in the positioning groove (101).