CN211489311U

CN211489311U - Corner cut forming integrated die

Info

Publication number: CN211489311U
Application number: CN201922472238.5U
Authority: CN
Inventors: 曹凤宇
Original assignee: Hebei Fu Douhuachuan Furniture Manufactures Co ltd
Current assignee: Hebei Fu Douhuachuan Furniture Manufactures Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The application provides an integrative mould of chamfer shaping, including lathe upper portion lifter plate, lathe lower part base, set up the last drive assembly in lathe upper portion lifter plate below and set up on lathe lower part base with last drive assembly matched with chamfer shaping die. The utility model provides a corner cut shaping integrated into one piece mould is equipped with die body and lower die body, wherein goes up the die body and is equipped with die body and shaping on the corner cut, and die body and shaping are gone up the die body and are cooperated with lower die body on the corner cut, cutting and shaping integrated into one piece design have improved production efficiency greatly, simultaneously greatly reduced intensity of labour, reduced manufacturing cost.

Description

Corner cut forming integrated die

Technical Field

The application relates to the technical field of molds, in particular to an integral corner cutting and forming mold.

Background

The panel lock will be tailor the whole board as required in the processing production process, tailors the back rethread corner cut mould and carries out the corner cut with the bender with four edges at last, and this process procedure is loaded down with trivial details and needs the manual work to carry, and inefficiency and intensity of labour are big.

Disclosure of Invention

The present application provides an integral die for corner cut molding to solve the above technical problems.

The technical scheme adopted by the application is as follows: a corner cut forming integrated die is characterized by comprising a machine tool upper lifting plate, a machine tool lower base, an upper driving assembly arranged below the machine tool upper lifting plate and a corner cut forming die arranged on the machine tool lower base and matched with the upper driving assembly;

the upper driving assembly comprises a left driving strip and a right driving strip parallel to the left driving strip, and the corner cutting forming die comprises an upper die body, a lower die body and a plurality of elastic supporting pieces, wherein the lower die body is arranged on a base at the lower part of the machine tool and matched with the upper die body, and the elastic supporting pieces are arranged between the upper die body and the lower die body;

the upper die body comprises an upper corner cutting die body and a forming upper die body arranged on the right side of the upper corner cutting die body, the upper corner cutting die body comprises an upper corner cutting die plate, a corner cutting driving piece and a corner cutting male die component, the corner cutting driving piece is arranged above the upper corner cutting die plate and matched with a left driving strip, the corner cutting male die component is arranged below the upper corner cutting die plate, the corner cutting driving piece comprises a first driving air cylinder and a corner cutting driving strip, the first driving air cylinder is arranged above the upper corner cutting die plate, the corner cutting driving strip is connected with the output end of the first driving air cylinder and parallel to the left driving strip, the corner cutting male die component comprises corner cutting male dies symmetrically arranged on the front side and the rear side of the upper corner cutting die; the forming upper die body comprises a forming upper die plate, a forming driving piece, a second cutter assembly and a rectangular male die, wherein the forming driving piece is arranged above the forming upper die plate and corresponds to the right driving strip;

the lower die body comprises a lower die plate arranged on a base of the lower portion of the machine tool, a corner cutting die component arranged on the left side of the lower die plate and matched with the corner cutting male die component, and a forming die component arranged on the right side of the corner cutting die component, wherein the corner cutting die component comprises a left base plate arranged on the lower die plate, a corner cutting die component arranged on the front side and the rear side of the left base plate symmetrically, a corner cutting die matched with the corner cutting male die, and a first cutter die matched with the first cutter component, the forming die component comprises a right base plate arranged on the lower die plate and positioned on the right side of the left base plate, a second cutter die arranged on the left side of the right base plate and matched with the second cutter component, a rectangular die arranged on the right side of the second cutter die and matched with the rectangular male die, and a plurality of elastic unloading pieces arranged in the rectangular die.

Furthermore, elastic support piece symmetry sets up both sides around the cope match-plate pattern, elastic support piece is including setting up guide and the connecting spring of cover establishing in the guide outside between last die body and the lower die body, the guide is including setting up the guide cylinder on the die body down and setting up on last die body and with guide cylinder sliding fit's guide slide bar.

Furthermore, the first cutter assembly comprises a plurality of rectangular cutter convex dies which are linearly arranged between the angular convex dies, the second cutter assembly comprises a plurality of strip-shaped cutter convex dies which are linearly arranged and parallel to the rectangular cutter convex dies, and the rectangular cutter convex dies and the strip-shaped cutter convex dies are arranged in a staggered mode.

Furthermore, elasticity returns material spare is including setting up the vertical guide chute in rectangle die bottom, the vertical ejecting piece that slides and set up in vertical guide chute and set up the material returned spring between vertical ejecting piece below and the vertical guide chute bottom.

Further, the vertical top piece comprises a vertical guide sliding rod arranged in the vertical guide sliding groove in a sliding mode and a circular top plate arranged on the upper portion of the vertical guide sliding rod, and a circular groove matched with the circular top plate is formed in the bottom of the rectangular female die.

The application has the advantages and positive effects that: the utility model provides a corner cut shaping integrated into one piece mould is equipped with die body and lower die body, wherein goes up the die body and is equipped with die body and shaping on the corner cut, and die body and shaping are gone up the die body and are cooperated with lower die body on the corner cut, cutting and shaping integrated into one piece design have improved production efficiency greatly, simultaneously greatly reduced intensity of labour, reduced manufacturing cost.

In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of an integrated corner cutting and forming mold according to the background art of the present application;

FIG. 2 is a schematic structural diagram of an upper driving assembly and a chamfer forming die provided by an embodiment of the present application;

FIG. 3 is a schematic view of a corner cut upper mold body according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a corner cutting punch assembly provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a molding upper mold body according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a lower mold body according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a corner cut die assembly provided in an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a forming die assembly provided in an embodiment of the present application;

FIG. 9 is a schematic structural diagram of an elastic support provided in an embodiment of the present application;

FIG. 10 is a schematic structural view of a first cutter assembly and a second cutter assembly provided by an embodiment of the present application;

FIG. 11 is a schematic structural view of an elastic material returning part provided in an embodiment of the present application;

fig. 12 is a schematic structural view of a vertical top member provided in an embodiment of the present application.

In the figure: 1, a lifting plate at the upper part of a machine tool; 2, a machine tool lower base; 3 an upper drive assembly; 310 left drive bar; 320 right driving bar; 4, cutting a corner forming die; 410, molding a mold body; 420, lower die body; 430 a resilient support; 431a guide; 431a guide cylinder; 431b a guide rod; 432 connecting springs; 5, cutting an angle and mounting the die body; 510 cutting corners of the upper template; 520 a corner cutting drive; 521 a first driving cylinder; 522 cutting corner to drive the strip; 530 corner cutting male die assembly; 531 corner cutting male die; 532a first cutter assembly; 532a rectangular cutter punch; 6, forming an upper die body; 610 molding an upper template; molding 620 the driving member; 621 a second driving cylinder; 622, forming a driving strip; 630 a second cutter assembly; 631 a bar cutter punch; 640 a rectangular male die; 7, a lower template; 8, cutting a corner female die assembly; 810 a left substrate; 820 corner cutting female dies; a first cutting 830 knife concave die; 9 forming a female die assembly; 910 a right substrate; 920 a second cutter female die; 930 rectangular female die; 940 elastic material returning pieces; 941 vertical guide and slide slots; 942a vertical top piece; 942a vertical slide bar; 942b a circular top plate; 943 Material returning spring

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the corner cut forming integrated die is characterized by comprising a machine tool upper lifting plate 1, a machine tool lower base 2, an upper driving assembly 3 arranged below the machine tool upper lifting plate 1 and a corner cut forming die 4 arranged on the machine tool lower base 2 and matched with the upper driving assembly 3;

the upper driving assembly 3 comprises a left driving strip 310 and a right driving strip 320 parallel to the left driving strip 310, and the corner cutting forming die 4 comprises an upper die body 410, a lower die body 420 arranged on the lower base 2 of the machine tool and matched with the upper die body 410, and a plurality of elastic supporting pieces 430 arranged between the upper die body 410 and the lower die body 420;

the upper die body 410 comprises a corner cut upper die body 5 and a forming upper die body 6 arranged on the right side of the corner cut upper die body 5, the corner cut upper die body 5 comprises a corner cut upper die plate 510, a corner cut driving piece 520 arranged above the corner cut upper die plate 510 and matched with the left driving strip 310, and a corner cut male die assembly 530 arranged below the corner cut upper die plate 510, the corner cut driving piece 520 comprises a first driving cylinder 521 arranged above the corner cut upper die plate 510 and a corner cut driving strip 522 connected with the output end of the first driving cylinder 521 and parallel to the left driving strip 310, and the corner cut male die assembly 530 comprises corner cut male dies 531 symmetrically arranged on the front side and the rear side of the corner cut upper die plate 510 and a first cutter assembly 532 arranged between the corner cut male dies 531; the upper molding die body 6 comprises an upper molding die plate 610, a molding driving piece 620 which is arranged above the upper molding die plate 610 and corresponds to the right driving strip 320, a second cutter assembly 630 which is arranged on the left side below the upper molding die plate 610, and a rectangular male die 640 which is arranged on the right side of the second cutter assembly 630, wherein the molding driving piece 620 comprises a second driving cylinder 621 arranged on the upper molding die plate 610 and a molding driving strip 622 which is connected with the output end of the second driving cylinder 621 and is parallel to the right driving strip 320;

the lower die body 420 comprises a lower die plate 7 arranged on the lower base 2 of the machine tool, a corner cutting female die component 8 arranged at the left side of the lower die plate 7 and matched with the corner cutting male die component 530, and a forming female die component 9 arranged at the right side of the corner cutting female die component 8, the corner cutting die assembly 8 comprises a left base plate 810 arranged on the lower template 7, corner cutting dies 820 symmetrically arranged at the front and rear sides of the left base plate 810 and matched with the corner cutting male die 531, and a first cutter die 830 arranged between the corner cutting dies 820 and matched with the first cutter assembly 532, the forming female die assembly 9 comprises a right base plate 910 arranged on the lower die plate 7 and positioned on the right side of the left base plate 810, a second cutter female die 920 arranged on the left side of the right base plate 910 and matched with the second cutter assembly 630, a rectangular female die 930 arranged on the right side of the second cutter female die 920 and matched with the rectangular male die 640, and a plurality of elastic returning pieces 940 arranged in the rectangular female die 930.

In this embodiment, the upper driving assembly 3 is disposed below the upper lifting plate 1 of the machine tool, and is provided with a left driving bar 310 and a right driving bar 320 parallel to the left driving bar 310; the corner cut forming die 4 is a key part of the corner cut forming integrated die, and is provided with an upper die body 410, a lower die body 420 and a plurality of elastic supporting members 430, in this embodiment, the upper die body 410 is provided with a corner cut upper die body 5 and a forming upper die body 6 arranged at the right side of the corner cut upper die body 5, the corner cut upper die body 5 is provided with a corner cut upper die plate 510, a corner cut driving member 520 and a corner cut male die assembly 530, wherein the corner cut driving member 520 is arranged above the corner cut upper die plate 510 and is matched with the left driving strip 310, in this embodiment, the corner cut driving member 520 is provided with a first driving cylinder 521 and a corner cut driving strip 522, the first driving cylinder 521 is arranged above the corner cut upper die plate 510, the corner cut driving strip 522 is arranged at one side of the first driving cylinder 521 in a sliding manner and is connected with an output end of the first driving cylinder 521, the corner cut driving strip 522 is parallel to the left driving strip 310, and during operation, the corner cut driving strip 522 is controlled by the first driving cylinder, and then be convenient for lathe upper portion lifter plate 1 to control the operating condition of corner cut upper die body 5 through left driving strip 310 and corner cut driving strip 522, namely corner cut upper die body 5 is corner cut, cutting or not corner cut, cutting, in this embodiment, corner cut terrace die subassembly 530 sets up the below of corner cut upper die plate 510, including corner cut terrace die 531 and first cutter subassembly 532, corner cut upper die plate 510 front and back symmetry is equipped with corner cut terrace die 531, in this embodiment, corner cut terrace die 531 is the U-shaped structure of opening towards the corner cut upper die plate 510 outside, first cutter subassembly 532 sets up between corner cut terrace die 531. In this embodiment, the upper molding die body 6 is provided with an upper molding die plate 610, a molding driving member 620, a second cutter assembly 630 and a rectangular male die 640, wherein the molding driving member 620 is disposed above the upper molding die plate 610 and includes a second driving cylinder 621 and a molding driving bar 622, the second driving cylinder 621 is disposed on one side above the upper molding die plate 610, the molding driving bar 622 is slidably disposed on one side of the second driving cylinder 621 and connected to an output end of the second driving cylinder 621, the molding driving bar 622 is parallel to the right driving bar 320, during operation, the second driving cylinder 621 controls the molding driving bar 622 and the right driving bar 320 to be opposite to each other or staggered from top to bottom, so that the upper lifting plate 1 of the machine tool controls the operating state of the upper molding die body 6 through the right driving bar 320 and the molding driving bar 622, i.e. the upper molding die body 6 moves downward to extrude a metal plate for cutting and extrusion or does not move downward to extrude the metal plate for cutting and extrusion, in this embodiment, the second cutter assembly 630 is disposed on the left side below the forming upper die plate 610, and the rectangular male die 640 is disposed on the right side of the second cutter assembly 630.

In this embodiment, the lower mold body 420 is provided with a lower mold plate 7, a chamfering die assembly 8 disposed at the left side of the lower mold plate 7 and engaged with the chamfering die assembly 530, and a forming die assembly 9 disposed at the right side of the chamfering die assembly 8, wherein the chamfering die assembly 8 includes a left base plate 810 disposed on the lower mold plate 7, chamfering dies 820 symmetrically disposed at the front and rear sides of the left base plate 810 and engaged with the chamfering punch 531, and a first cutting die 830 disposed between the chamfering dies 820 and engaged with the first cutting die assembly 532, in this embodiment, the chamfering punch 531 and the chamfering die assembly 8 are engaged to perform rectangular chamfering on the front and rear sides of the metal plate, the first cutting die assembly 532 is disposed at the middle of the front and rear chamfering punches 531, the first cutting die 830 is disposed at the middle of the chamfering die assembly 8, the first cutting die assembly 532 is engaged with the first cutting die 830 to only partially cut the metal plate, the subsequent metal plate can conveniently move towards the right forming concave die assembly 9 under the action of the conveying device, in the embodiment, the forming concave die assembly 9 comprises a right base plate 910 which is arranged on the lower die plate 7 and positioned on the right side of the left base plate 810, a second cutter concave die 920 which is arranged on the left side of the right base plate 910 and matched with the second cutter assembly 630, a rectangular concave die 930 which is arranged on the right side of the second cutter concave die 920 and matched with the rectangular convex die 640, and a plurality of elastic ejecting pieces which are arranged in the rectangular concave die 930, in the embodiment, the second cutter assembly 630 is matched with the second cutter concave die 920, the metal plate which is cut by the first cutter assembly 532 and is not completely disconnected is cut, the subsequent rectangular convex die 640 and the rectangular concave die 930 are conveniently matched for extrusion forming, in the embodiment, the bottom of the rectangular concave die 930 is provided with the plurality of elastic ejecting pieces out, thereby facilitating the subsequent metal plate to push the formed piece out of the corner cut forming die 4.

In this embodiment, the upper corner cutting die body 5 and the upper molding die body 6 are connected to the lower die body 420 through the elastic supporting member 430, so that the upper corner cutting die body 5 and the upper molding die body 6 can be conveniently reset after the work is completed.

When the angle cutting machine works, when an angle cutting is needed, the first driving cylinder 521 pushes the angle cutting driving strip 522 to be vertically opposite to the left driving strip 310, the second driving cylinder 621 pushes the forming driving strip 622 to be staggered with the right driving strip 320, the lifting plate 1 on the upper portion of the machine tool drives the left driving strip 310 and the right driving strip 320 to move downwards, the angle cutting driving strip 522 is matched with the left driving strip 310 to downwards extrude the angle cutting upper die body 5, the forming upper die body 6 is not extruded downwards, the angle cutting male die assembly 530 is matched with the angle cutting female die assembly 8 to cut an angle and partially cut a metal plate, the angle cutting upper die body 5 is reset after completing the angle cutting and partially cutting movement, then the metal plate moves towards the right forming female die assembly 9 under the action of the conveying device, the first driving cylinder 521 pushes the angle cutting driving strip 522 to be vertically staggered with the left driving strip 310, the second driving cylinder pushes the forming driving strip 622 to be vertically opposite to the right driving strip 320, the machine tool upper lifting plate 1 drives the left driving strip 310 and the right driving strip 320 to move downwards, the forming driving strip 622 and the right driving strip 320 are matched to extrude an upper die body 6 downwards, the second cutter assembly 630 is matched with the second cutter concave die 920 to cut off the uncut part of the first cutter assembly 532, the rectangular convex die 640 is matched with the rectangular concave die 930 to extrude a cut metal plate, the machine tool upper lifting plate 1 leaves upwards, the forming upper die body 6 resets, the elastic jacking piece in the rectangular concave die 930 pushes a rectangular groove at the top of the formed piece, and the subsequent metal plate pushes the formed piece out of the corner cutting forming die 4 towards the right.

As shown in fig. 9, in a preferred embodiment, the elastic supporting members 430 are symmetrically disposed at front and rear sides of the lower mold plate 7, the elastic supporting members 430 include a guide 431 disposed between the upper mold body 410 and the lower mold body 420 and a connecting spring 432 fitted around the guide 431, and the guide 431 includes a guide cylinder 431a disposed on the lower mold body 420 and a guide rod 431b disposed on the upper mold body 410 and slidably engaged with the guide cylinder 431 a.

In this embodiment, the elastic supporting members 430 are symmetrically disposed on the front side and the rear side of the lower mold plate 7, the elastic supporting members 430 are provided with guiding members 431 and connecting springs 432, the guiding members 431 are provided with guiding cylinders 431a and guiding sliding rods 431b, the guiding cylinders 431a are disposed on the lower mold plate 7, the guiding sliding rods 431b are disposed on the upper mold plate 410 and are in sliding fit with the guiding sliding cylinders, in this embodiment, guiding sliding rods 431b are disposed below the corner cut upper mold plate 510 and below the forming upper mold plate 610, and the guiding sliding rods 431b are matched with the guiding sliding cylinders on the lower mold plate 7, so that the working stability of the corner cut upper mold plate 5 and the forming upper mold plate 6 is greatly improved.

In a preferred embodiment, as shown in fig. 10, the first cutter assembly 532 includes a plurality of rectangular cutter punches 532a linearly arranged between the angled punches, the second cutter assembly 630 includes a plurality of strip cutter punches 631 linearly arranged in parallel with the rectangular cutter punches 532a, and the rectangular cutter punches 532a and the strip cutter punches 631 are staggered.

In this embodiment, the first cutter assembly 532 is provided with a plurality of rectangular cutter male dies 532a, the rectangular cutter male dies 532a are linearly arranged between the front and rear corner cutting male dies 531, a gap is arranged between the two adjacent rectangular cutter male dies 532a, and when the first cutter male dies cut the metal plate, the metal plate is not completely cut off, so that the subsequent metal plate can be pushed to the corner cutting metal plate to move towards the forming female die assembly 9; second cutter subassembly 630 is equipped with a plurality of bar cutter terrace dies 631, and bar cutter terrace die 631 is the linear setting in the below of shaping lower bolster 7, and bar cutter terrace die 631 sets up with rectangle cutter terrace die 532a is crisscross, and bar cutter terrace die 631 and rectangle cutter terrace die 532a cooperate and can cut off sheet metal completely, the extrusion of follow-up rectangle terrace die 640 and rectangle die 930 of being convenient for.

As shown in fig. 11, in a preferred embodiment, the elastic material returning member 940 includes a vertical guide slot 941 disposed at the bottom of the rectangular female die 930, a vertical top member 942 slidably disposed in the vertical guide slot 941, and a material returning spring 943 disposed between the lower portion of the vertical top member 942 and the bottom of the vertical guide slot 941.

In this embodiment, elastic material returned piece 940 is equipped with vertical guide chute 941, vertical top 942 and material returned spring 943, rectangle die 930 bottom is equipped with vertical guide chute 941, vertical top 942 slides from top to bottom and sets up in vertical guide chute 941, be equipped with material returned spring 943 between vertical top 942 lower extreme and the vertical guide chute 941 bottom, rectangle terrace die 640 cooperatees with rectangle die 930 and pushes out sheet metal extrusion back, material returned spring 943 pushes out rectangle die 930 through vertical top 942 with the formed part, and then be convenient for follow-up sheet metal to push out cut angle forming die 4 with the formed part, and production efficiency is greatly improved.

As shown in fig. 12, in a preferred embodiment, the vertical top piece 942 includes a vertical sliding guide bar 942a slidably disposed in the vertical sliding guide groove 941 and a circular top plate 942b disposed at the upper portion of the vertical top piece 942, and the bottom of the rectangular concave die 930 is provided with a circular groove matching with the circular top plate 942 b.

In this embodiment, the vertical top piece 942 includes a straight guide sliding rod 942a and a circular top plate 942b, the lower end of the straight guide sliding rod 942a is slidably disposed in the vertical guide sliding groove 941, the material returning spring 943 is disposed between the lower end of the straight guide sliding rod 942a and the bottom of the vertical guide sliding groove 941, the circular top plate 942b is disposed at the upper end of the straight guide sliding rod 942a, the bottom of the rectangular concave die 930 is provided with a circular groove matched with the circular top plate 942b, and the circular top plate 942b greatly increases the contact area between the elastic material returning and the formed part, thereby facilitating the rapid material returning of the formed part.

The embodiments of the present application have been described in detail, but the description is only for the preferred embodiments of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications made within the scope of the present application shall fall within the scope of the present application.

Claims

1. A corner cut forming integrated die is characterized by comprising a machine tool upper lifting plate (1), a machine tool lower base (2), an upper driving assembly (3) arranged below the machine tool upper lifting plate (1) and a corner cut forming die (4) which is arranged on the machine tool lower base (2) and matched with the upper driving assembly (3);

the upper driving assembly (3) comprises a left driving strip (310) and a right driving strip (320) parallel to the left driving strip (310), and the corner cutting forming die (4) comprises an upper die body (410), a lower die body (420) arranged on the lower base (2) of the machine tool and matched with the upper die body (410), and a plurality of elastic supporting pieces (430) arranged between the upper die body (410) and the lower die body (420);

the upper die body (410) comprises a corner cut upper die body (5) and a forming upper die body (6) arranged on the right side of the corner cut upper die body (5), the corner cut upper die body (5) comprises a corner cut upper die plate (510), a corner cut driving piece (520) arranged above the corner cut upper die plate (510) and matched with the left driving strip (310), and a corner cut male die assembly (530) arranged below the corner cut upper die plate (510), the corner cut driving piece (520) comprises a first driving air cylinder (521) arranged above the corner cut upper die plate (510) and a corner cut driving strip (522) connected with the output end of the first driving air cylinder (521) and parallel to the left driving strip (310), and the corner cut male die assembly (530) comprises corner cut male dies (531) symmetrically arranged on the front side and the rear side of the corner cut upper die plate (510) and a first cutter assembly (532) arranged between the corner cut male dies (531); the forming upper die body (6) comprises a forming upper die plate (610), forming driving pieces (620) which are arranged above the forming upper die plate (610) and correspond to the right driving strips (320), second cutter assemblies (630) which are arranged on the left side below the forming upper die plate (610) and rectangular convex dies (640) which are arranged on the right side of the second cutter assemblies (630), wherein the forming driving pieces (620) respectively comprise second driving cylinders (621) which are arranged on the forming upper die plate (610) and forming driving strips (622) which are connected with the output ends of the second driving cylinders (621) and are parallel to the right driving strips (320);

lower die body (420) including set up lower bolster (7) on lathe lower part base (2), set up in lower bolster (7) left side and with corner cut terrace die subassembly (530) matched with corner cut die subassembly (8) and set up at shaping die subassembly (9) on corner cut die subassembly (8) right side, corner cut die subassembly (8) are including setting up left base plate (810) on lower bolster (7), symmetry set up in left base plate (810) front and back both sides and with corner cut terrace die (531) matched with corner cut die (820) and set up between corner cut die (820) and with first cutter subassembly (532) matched with first cutter die (830), shaping die subassembly (9) are including setting up on lower bolster (7) and being located right base plate (910) right side of left base plate (810), set up left side of base plate (910) and with second cutter subassembly (630) matched with second cutter die (920), A rectangular female die (930) which is arranged at the right side of the second cutter female die (920) and is matched with the rectangular male die (640), and a plurality of elastic returning pieces (940) which are arranged in the rectangular female die (930).

2. A corner cut integrally molding die as claimed in claim 1, wherein the elastic supporting members (430) are symmetrically disposed at front and rear sides of the lower die plate (7), the elastic supporting members (430) include a guide member (431) disposed between the upper die body (410) and the lower die body (420) and a connecting spring (432) fitted around the guide member (431), and the guide member (431) includes a guide cylinder (431a) disposed on the lower die body (420) and a guide rod (431b) disposed on the upper die body (410) and slidably engaged with the guide cylinder (431 a).

3. A corner cut forming integrated die as claimed in claim 2, wherein the first cutter unit (532) comprises a plurality of rectangular cutter punches (532a) linearly arranged between the angled punches, the second cutter unit (630) comprises a plurality of bar cutter punches (631) linearly arranged in parallel with the rectangular cutter punches (532a), and the rectangular cutter punches (532a) and the bar cutter punches (631) are alternately arranged.

4. A corner cut forming integrated mold according to claim 3, wherein the elastic material returning member (940) comprises a vertical guide chute (941) formed at the bottom of the rectangular female mold (930), a vertical top member (942) slidably disposed in the vertical guide chute (941), and a material returning spring (943) disposed between the lower portion of the vertical top member (942) and the bottom of the vertical guide chute (941).

5. A corner cut forming integrated die according to claim 4, wherein the vertical top member (942) comprises a vertical guide sliding rod (942a) slidably disposed in the vertical guide sliding groove (941) and a circular top plate (942b) disposed at the upper part of the vertical guide sliding rod (942a), and the bottom of the rectangular female die (930) is provided with a circular groove matching with the circular top plate (942 b).