CN215749584U

CN215749584U - Punching forming continuous die

Info

Publication number: CN215749584U
Application number: CN202122265180.4U
Authority: CN
Inventors: 张芝阳
Original assignee: Shenzhen Ovid Machinery Electron Co ltd
Current assignee: Shenzhen Ovid Machinery Electron Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-08
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a punching forming continuous die, which is used for processing a material belt and is characterized by comprising an upper die assembly and a lower die assembly; the lower die assembly is used for limiting a punching area, a shape punching area and a forming area according to the structural requirement of the elastic support frame; the material belt is placed on the lower die assembly and is positioned, and when the upper die assembly is aligned with the lower die assembly and pressed downwards, the upper die assembly punches a hole, punches the shape and forms the material belt in the corresponding area. Only one die is needed to complete the continuous operation of punching, shape punching and forming, the processing efficiency is improved, and the die cost and the production cost are reduced.

Description

Punching forming continuous die

Technical Field

The utility model relates to the technical field of machining, in particular to a punching forming continuous die.

Background

At present, as shown in fig. 1, in an elastic support frame in an optical communication module box, the quality of the elastic support frame produced by combining wire cutting discharge machining with a simple mold is poor in a sample stage, the production efficiency is low, large-scale batch production cannot be realized, and the discharge machining is risky. As the sample passes the market verification, the mass production stage is entered, and the production efficiency and the quality are urgently needed to be improved.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a punching forming continuous die to solve the problem that the existing elastic support frame is low in production efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a punching forming continuous die is used for processing a material belt and comprises an upper die assembly and a lower die assembly;

the lower die assembly is used for limiting a punching area, a shape punching area and a forming area according to the structural requirement of the elastic support frame; the material belt is placed on the lower die assembly and is positioned, and when the upper die assembly is aligned with the lower die assembly and pressed downwards, the upper die assembly punches a hole, punches the shape and forms the material belt in the corresponding area.

In the punching forming continuous die, the upper die assembly comprises an upper die base, an upper die base plate, an upper die outer guide pillar, an upper die fixing plate, an upper die discharging plate, a discharging back plate and a punching component;

the outer guide pillar of the upper die is fixed on the upper die base, the upper die base plate is installed between the upper die base and the upper die fixing plate, the punching component is installed in a corresponding hole groove on the discharging back plate and is positioned, the discharging back plate is installed and fixed between the upper die fixing plate and the upper die discharging plate, the discharging back plate and the upper die discharging plate are positioned through the discharging plate fixing pin, and an upper die guide pin used for guiding the material belt when the punching leap is conducted is arranged in the upper die discharging plate.

In the punching forming continuous die, two upper die outer guide posts are arranged, are fixed on the diagonal line of an upper die base, are inserted into lower die outer guide posts on a lower die assembly and are used for pre-guiding the punching forming continuous die.

In the punching forming continuous die, the punching part comprises a plurality of upper die elastic parts, a plurality of upper die punches and a plurality of upper die forming male dies; each upper die elastic element is arranged between the upper die base plate and the discharging part, and each upper die punch and each upper die forming pin are arranged in the upper die fixing plate, the upper die discharging plate and the discharging back plate.

In the punching forming continuous die, the upper die punch comprises a square hole punch for punching a square hole in the middle of the elastic support frame, a shape punch for punching the shape of the elastic support frame, a separation punch for separating the elastic support frame from the material belt and ensuring the shape and the size, and a guide hole punch for punching a guide hole in the material belt.

In the punching continuous die, the upper die forming male die comprises an upper die forming male die used for shaping the material belt for the first time and a lower die forming male die used for shaping the material belt for the second time.

In the punching forming continuous die, the lower die assembly comprises a lower die pressure plate, a lower die floating pin, a lower die base plate, a lower die base, a lower die outer guide pillar, an insert part and an auxiliary part; the lower die pressing plate is positioned on the lower die plate, the lower die floating pin extends out of the top of the lower die plate to support the material belt, the lower die base plate is installed between the lower die plate and the lower die base, the lower die outer guide pillar is fixed on the lower die base, the insert part is installed on the lower die plate, and the auxiliary part is installed in the lower die plate and the lower die base plate.

In the punching forming continuous die, the insert part comprises a square hole insert which is arranged in a lower die plate and used for punching a square hole of an elastic support frame, a one-step forming insert for one-step forming of the elastic support frame, a two-step forming insert for two-step forming of the elastic support frame, a punching insert for punching the appearance of the elastic support frame, a punching insert for cutting the elastic support frame and a material belt, and a lower die pilot hole insert for positioning the material belt of the elastic support frame.

In the punching forming continuous die, the auxiliary component comprises a lower die thimble, a lower die material stop pin, a lower die elastic piece and a screw piece;

the lower die ejector pin is arranged in the lower die base plate and used for jacking the lower die guide hole insert to abut against the material belt; the lower die material blocking pin is installed in the lower die plate and used for positioning the material belt of each step in the stamping process.

In the punching forming continuous die, the lower die elastic piece comprises a floating spring and an ejector pin spring which are arranged in a lower die base and a lower die base plate, and the floating spring is used for supporting a lower die floating pin; the thimble spring is used for supporting the thimble of the lower die.

Compared with the prior art, the punching forming continuous die is used for processing a material belt and is characterized by comprising an upper die assembly and a lower die assembly; the lower die assembly is used for limiting a punching area, a shape punching area and a forming area according to the structural requirement of the elastic support frame; the material belt is placed on the lower die assembly and is positioned, and when the upper die assembly is aligned with the lower die assembly and pressed downwards, the upper die assembly punches a hole, punches the shape and forms the material belt in the corresponding area. Only one die is needed to complete the continuous operation of punching, shape punching and forming, the processing efficiency is improved, and the die cost and the production cost are reduced.

Drawings

Fig. 1 is a schematic view of an elastic support frame provided by the present invention.

Fig. 2 is a front view of the continuous die for punching and forming provided by the utility model.

Fig. 3 is a front view and a side view of a continuous die for punching and forming provided by the present invention.

Fig. 4 is a perspective view of a continuous die for punch forming provided by the present invention.

Fig. 5 is an exploded view of the upper mold assembly in the continuous die for punching and forming provided by the present invention.

Fig. 6 is a top view of the upper die assembly of the punch forming continuous die provided by the present invention.

Fig. 7 is an exploded view of a lower die assembly in the continuous die for punching and forming provided by the utility model.

Fig. 8 is a top view of a lower die assembly in the continuous die for punch forming provided by the present invention.

Fig. 9 is a schematic diagram of each insert and guide pin hole in the continuous die for punch forming provided by the present invention.

Fig. 10 is a schematic view illustrating a stamping variation of the material tape provided by the present invention.

Detailed Description

The utility model provides a continuous die for punching and forming. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 2, fig. 3 and fig. 4, the continuous die for punching and forming provided by the embodiment of the present invention is mainly used for processing an elastic support frame, and includes an upper die assembly and a lower die assembly, wherein the lower die assembly is used for defining a punching area, a shape punching area and a forming area according to the structural requirements of the elastic support frame; the strip 43 is placed on the lower die assembly and positioned, and when the upper die assembly is aligned with the lower die assembly and pressed down, the upper die assembly performs punching, shape punching and forming operations on the strip 43 in the corresponding area.

Only one die is needed to complete the continuous operation of punching, shape punching and forming, the processing efficiency is improved, and the die cost and the production cost are reduced.

Referring to fig. 5 and 6, the upper die assembly includes an upper die base 1, an upper die backing plate 2, an upper die outer guide pillar 3, an upper die fixing plate 13, an upper die discharging plate 14, a discharging back plate 15 and a stamping part; go up mould outer guide pillar 3 and fix on upper die base 1, go up the die pad board 2 and install between upper die base 1 and upper die fixed plate 13, the punching press part is installed and is fixed a position in the corresponding hole groove on the backplate 15 of unloading, and the backplate 15 installation of unloading is fixed between upper die fixed plate 13 and last mould stripper 14, fixes a position through stripper fixed pin 20 (4) between backplate 15 of unloading and the last mould stripper 14, is equipped with the last mould that is used for leading when the punching press leapfrog to lead material area 43 and leads positive round pin 21 (this embodiment is one row of 7) in the last mould stripper 14.

The upper die holder 1 is a mounting plate for the whole upper die assembly and the punch press and is used for fixing each plate in the upper die assembly. The upper die base plate 2 is used for installing stamping parts, namely, each part in the stamping parts penetrates through a corresponding hole groove in the upper die base plate 2, can vertically penetrate through the corresponding hole groove and cannot move left and right, so that positioning is realized, and displacement during subsequent stamping is avoided. The upper die outer guide posts 3 can be arranged in two numbers, are fixed on the diagonal line of the upper die base 1, are inserted into the lower die outer guide posts on the lower die assembly and are used for pre-guiding the punching forming continuous die. The two sides of the base of the upper die outer guide pillar 3 are respectively provided with 2 locking screws 4, the locking screws 5 corresponding to the upper die base 1 are screwed in to be fixed, meanwhile, a limiting column 6 can be arranged in the middle of the 2 locking screws, a limiting groove 7 is arranged at the corresponding position of the upper die base 1, the limiting column is inserted into the limiting groove to position the upper die outer guide pillar 3, the height of the upper die outer guide pillar 3 is limited, and the locking screws are prevented from being locked excessively.

The upper die fixing plate 13 is used for mounting various punches, forming male and guide post accessories, and the discharging back plate 15 is used for limiting a discharging plate guide sleeve and a guide pin to move upwards in work; the upper die stripper plate 14 is used for discharging during punching, and presses the elastic support frame during forming to prevent the elastic support frame and the material belt 43 from moving during forming. The upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15 are fixedly installed through upper die equal-height sleeves 16 (6 in the embodiment); the upper die equal-height sleeve 16 is arranged in the upper die fixing plate 13, the extending end part of the upper die equal-height sleeve 16 sequentially penetrates through sleeve through holes correspondingly arranged on the upper die fixing plate 13 and the discharging back plate 15, is attached to the back surface of the upper die discharging plate 14 and is aligned with corresponding screw holes on the upper die discharging plate 14, and then the upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15 can be fixed together; meanwhile, the upper die equal-height sleeve 16 can also control the horizontal distance between the upper die discharging plate 14 and the upper die fixing plate 13, so that the upper die discharging plate 14 can discharge materials in parallel.

The installation fixes a position through 4 last mould fixed pins 17 between upper die base 1, last mould backing plate 2 and upper die fixing plate 13, then sets up corresponding jack on the upper die base 1, sets up corresponding through-hole on last mould backing plate 2 and the upper die fixing plate 13, goes up the jack that inserts on the upper die base 1 after the through-hole on mould backing plate 2 and the upper die fixing plate 13 is passed to mould fixed pin 17 and can fix a position.

The punching component comprises a plurality of upper die elastic pieces 8, a plurality of upper die punches (comprising a square hole punch 91, a shape punch 92 and a separation punch 93) and a plurality of upper die forming male dies (comprising a primary upper die forming male die 110 and a secondary upper die forming male die 120); go up mould elastic component 8 and install in last mould backing plate 2, wherein, it is the spring preferably to go up mould elastic component 8, and this embodiment is equipped with 6 springs that are used for unloading, goes up mould elastic component 8 and installs in the centre of last mould backing plate 2 and the part of unloading, specifically does, goes up mould backing plate 2 and last fixed plate 13 and requires according to elastic component 8's locating position, is equipped with the first bullet through-hole 11 (divide 2 rows, every row of level interval arrangement 3) and the second bullet through-hole 12 with last mould elastic component 8 adaptation, each goes up in mould elastic component 8 inserts corresponding first bullet through-hole 11 and the second bullet through-hole 12 for punch a hole, the shaping is unloaded and is provided elasticity.

The upper die punch 9 comprises square punch heads 91 (1) for punching a square hole in the middle of the elastic support frame, shape punch heads 92 (1) for punching the shape of the elastic support frame, separation punch heads 93 (1) for separating the elastic support frame from the material belt 43 and ensuring the shape size, and guide hole punch heads 94 (1) for punching a guide hole in the material belt 43; the square punch 91 is arranged on the upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15, namely square through grooves which are aligned and matched with the square punch 91 are respectively arranged on the upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15, and the square punch 91 moves in the square through grooves on the three plates during punching. The shape punch 92 is installed on the upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15, and similarly, the upper die fixing plate 13, the upper die discharging plate 14 and the discharging back plate 15 are respectively provided with a shape through groove which is aligned and matched with the shape punch 92, and the shape punch 92 moves in the shape through grooves on the three plates during punching. The separation drift 93 (1) is installed on upper die fixing plate 13, last mould stripper 14 and the backplate 15 of unloading, and in the same way, be equipped with respectively on upper die fixing plate 13, last mould stripper 14 and the backplate 15 of unloading align and with the square logical groove of separation drift 93 adaptation, remove in the square logical groove on these three boards during the punching press of separation drift 93. Similarly, the pilot hole punches 94 are mounted on the upper die fixing plate 13, the upper die discharge plate 14 and the discharge back plate 15.

Go up mould shaping public 10 including the one time mould shaping public 110 (2) that are used for carrying out the primary plastic to material area 43 and be used for carrying out the secondary of shaping to material area 43 and go up mould shaping public 120 (2), mould shaping public 110 and the secondary of going up is gone up and is moulded public 120 adjacent range and install on upper die fixing plate 13, last mould stripper 14 and the backplate 15 of unloading on the one time, and in the same way, be equipped with respectively on upper die fixing plate 13, last mould stripper 14 and the backplate 15 of unloading and align and with the shaping logical groove of two kinds of mould shaping public adaptations, move in the logical groove of shape on these three boards when mould shaping public 110 and the secondary of going up mould shaping public 120 punching press on the one time.

Preferably, the upper die assembly further includes upper die guide posts 18 (4) mounted on the upper die fixing plate 13 for guiding the upper die assembly and the lower die assembly during their operation. The method specifically comprises the following steps: the upper die guide post 18 is fixed on the upper die fixing plate 13 and sequentially passes through the discharging back plate 15 and the upper die discharging plate 14, and the discharging back plate 15 and the upper die discharging plate 14 are in clearance fit with the upper die guide post 18.

Preferably, the upper die assembly further includes 4 upper stripper guide sleeves 19, which are mounted on the upper stripper plate 14, i.e., through guide sleeve holes in the upper stripper plate 14. When the clearance of the upper stripper guide sleeve 19 is too large to cause the guide precision of the die to be deteriorated due to friction in the stamping process of the upper stripper guide sleeve 19, the upper stripper guide sleeve 19 is convenient to replace, the whole upper stripper 14 cannot be scrapped, and the maintenance cost of the die is reduced.

Referring to fig. 7 and 8, the lower die assembly includes a lower die pressure plate 22, a lower die plate 23, a lower die lift pin 24, a lower die backing plate 25, a lower die base 26, a lower die outer guide pillar 27, an insert part and an auxiliary part; the lower die platen 22 is positioned on the lower die plate 23 (in the vicinity of the discharge side, as shown in position a in fig. 9); the lower die floating pin 24 is positioned on the feeding side of the lower template 23 and extends out of the top of the lower template 23 to support the material belt 43; the lower die cushion plate 25 is installed between the lower die plate 23 and the lower die base 26, the lower die outer guide post 27 is fixed on the lower die base 26, the insert part is installed on the lower die plate 23, and the auxiliary part is installed in the lower die plate 23 and the lower die cushion plate 25.

Wherein, lower mould pressure flitch 22 (2) are used for preventing to go up the mould drift and take up 43 material areas and lead to the pay-off unusual in the stamping process, through pressing 41 (4) installation location of flitch fixed pins on lower bolster 23, specifically do: 2 positioning holes (the position of which is matched with the position of the lower die pressure plate 22 and the size of which is matched with the through hole in the lower die pressure plate 22) are respectively formed in 2 step surfaces on the discharging side of the lower die plate 23, and when the lower die pressure plate 22 presses the material belt 43, the pressure plate fixing pins 41 penetrate through the through holes in the lower die pressure plate 22 and are inserted into the corresponding positioning holes. The lower die backing plate 25 is installed between the lower die plate 23 and the lower die base 26, and is used for protecting each insert in the lower die plate and increasing the compression space of the lower die elastic element. The number of the lower die outer guide posts 27 is 2, and the lower die outer guide posts are fixedly inserted into the upper die outer guide posts 3 (the column heads of the lower die outer guide posts 27 are inserted into the insertion holes of the upper die outer guide posts 3) and used for pre-guiding the die. The lower die base 26 is used for mounting auxiliary components and lower die outer guide posts 27, fixing the lower die plate 23 and the lower die base plate 25, and is also used for mounting the whole lower die assembly and a machine tool.

The number of the lower die buoyancy lifting pins 24 is 6, the lower die buoyancy lifting pins are divided into 2 rows, protruding circular rings are arranged at the bottoms of the lower die buoyancy lifting pins, so that when the lower die buoyancy lifting pins penetrate through corresponding buoyancy lifting holes in the lower die plate 23, the circular rings at the bottoms of the lower die buoyancy lifting pins can be clamped on the bottom surface of the lower die plate 23, and the extending end portions can support the material belt 43, so that feeding is facilitated.

The lower die base plate 25 is installed between the lower die plate 23 and the lower die base 26, namely the lower die base plate 25 is placed between the lower die plate 23 and the lower die base 26, and the lower die plate 23, the lower die base plate 25 and the lower die base 26 are connected together by inserting 4 lower die fixing pins 42 (the three are provided with corresponding through holes to insert the lower die fixing pins 42), so that the three can be positioned.

As shown in fig. 9, the insert parts include a square-hole insert 28 (located at the feeding side of the lower die plate 23) for punching a square hole of the elastic support frame, which is installed in the lower die plate 23, a punching insert 31 (located adjacent to the square-hole insert 28 and located at the right side of the square-hole insert 28 in the direction shown in fig. 9) for punching the shape of the elastic support frame, a primary molding insert 29 (located at the right side of the punching insert 31 in the direction shown in fig. 9) for primary molding of the elastic support frame, a secondary molding insert 30 (located adjacent to the primary molding insert 29 and located at the right side of the primary molding insert 29 in the direction shown in fig. 9) for secondary molding of the elastic support frame, a lower mold guiding insert 33 (located adjacent to the secondary molding insert 30 and located at the right side of the secondary molding insert 30 in the direction shown in fig. 9) for positioning the elastic support frame and a punching insert 32 (located at the right side of the secondary molding insert 30 in the direction shown in fig. 9) for dividing the elastic support frame and the strip 43, on the discharge side, adjacent to the lower guide insert 33 and on the right side of the lower guide insert 33). It will be understood that the lower die plate 23 is necessarily provided with through slots (the shape of which is adapted to the shape of the corresponding inserts) for mounting the respective inserts at corresponding positions.

The auxiliary components comprise a lower die thimble 34, a lower die material blocking pin 35, a lower die elastic piece and a screw piece; the lower die ejector pin 34 is installed in the lower die base plate 25 (specifically, a corresponding through hole is formed in the lower die base plate 25, and the lower die ejector pin 34 (a ring is arranged at the bottom) is installed in the lower die pilot hole insert 33 and used for jacking up the lower die pilot hole insert 35 (which can be jacked up by being inserted from the bottom and extending out from the top of the lower die base plate 25) and keeping the lower die pilot hole insert close to the material belt 43. The lower die material stop pin 35 is installed in the lower die plate 23 (specifically, located at one end of the stamping insert 31, as shown in fig. 9, the lower die material stop pin 35 is inserted from the bottom of the lower die plate 23, and extends out from the top, and a clamping block is arranged at the bottom of the lower die material stop pin 35 for clamping), and is used for positioning the material belt 43 at each step in the stamping process to prevent the material belt 43 from passing through the head.

The lower die elastic piece comprises 37 (6) floating springs and 38 (1) ejector pin springs, and the two springs are arranged in the lower die base and the lower die base plate, namely one end of the lower die elastic piece is inserted into the lower die base, and the other end of the lower die elastic piece is inserted into the lower die base plate; the position of the floating spring 37 is aligned with the position of the lower die floating pin 24, and is used for supporting the lower die floating pin 24; the position of the needle spring 38 is aligned with the position of the lower die needle 34 for lifting up the lower die needle 34.

The screw pieces comprise floating set-stopping screws 39 (6) and thimble set-stopping screws 40 (1), which are all arranged in the lower die base 26; the floating stop screw 39 is used for positioning the floating spring 37, and the thimble lifting stop screw 40 is used for positioning the thimble spring 38.

The lower die assembly further includes lower die guide sleeves 36 (4) mounted in the lower die plate 23, i.e., passing through guide sleeve holes in the lower die plate 23. When the die guide causes the guide precision of the die to be poor due to the overlarge clearance of the lower die guide sleeve 36 caused by friction in the stamping process, the lower die guide sleeve 36 is convenient to replace, the whole lower die plate cannot be scrapped, and the maintenance cost of the die is reduced.

With reference to fig. 2 to 10, the punching process of the punching continuous mold includes:

1. the material belt 43 passes through the lower die floating pin 24 and is sent to a square hole in the middle of the square hole insert 28, the square hole punch 91 and the guide hole punch 94 start to punch for the first time, the guide hole punch 94 punches the first guide pin hole 44 at the bulge of the square hole insert 28 at this time, and the first hole 431 on the material belt 43 is punched; at the same time, a square punch 91 punches a square hole in the middle of the square hole insert 28 to punch out a first square hole 432 in the tape 43.

2. The punched first hole 431 on the material strip 43 is sent to the second guiding pin hole 45 on the lower template 23 (on the right side of the square hole insert 28), the two are aligned, the second punching is started, and the guiding pin punch 94 punches the first guiding pin hole 44 to obtain a second hole 433 on the material strip 43; at the same time, the square punch 91 punches a square hole in the middle of the square hole insert 28 to punch a second square hole 434 in the material tape 43.

3. The punched first hole 431 of the material tape 43 is sent to the third guiding hole 46 of the lower template and aligned, the second hole 433 is aligned with the second guiding hole 45, the third hole 435 and the third hole 436 of the material tape 43 are punched out by the shape punch 92, and the shape punch starts to punch the outline of the vertical edge from the punched insert 31.

4. The material belt 43 is sent to the lower die material stop pin 35, at this time, the first hole 431 on the material belt 43 is aligned with the fourth guide pin hole 47 of the lower die plate, the second hole 433 is aligned with the third guide pin hole 46, and the third hole 435 is aligned with the second guide pin hole 45, as described above, the fourth hole 437 and the fourth hole 438 on the material belt 43 are punched in the same way, the shape punch 92 punches the shape insert 31, and the shape of the other vertical edge and the shapes of the two horizontal edges start to be punched.

5. The material tape 43 is continuously fed to the right, the first hole 431 is aligned with the fifth guiding and guiding hole 48 of the lower template, the second hole 433 is aligned with the fourth guiding and guiding hole 47, the third hole 435 is aligned with the third guiding and guiding hole 46, and the fourth hole 437 is aligned with the second guiding and guiding hole 45, as described above, the fifth hole 439 and the fifth square hole 440 on the material tape 43 are punched out in the same way, and the shape and the preforming are started (the upper die forming male 110 is lowered once and the forming insert 29 presses the material tape 43 to complete the preforming).

6. The material belt 43 is continuously fed to the right, the first hole 431 is aligned with the sixth guiding and guiding hole 49 of the lower template, the second hole 433 is aligned with the fifth guiding and guiding hole 48 of the lower template, the third hole 436 is aligned with the fourth guiding and guiding hole 47, the fourth hole 437 is aligned with the third guiding and guiding hole 46, and the fifth hole 439 is aligned with the second guiding and guiding hole 45, as described above, the sixth hole 441 and the sixth hole 442 on the material belt 43 are punched out in the same way, the shape is preformed (the one-time upper mold forming male 110 descends and the one-time forming insert 29 dies the material belt 43 to complete preforming and die the material belt 43 to complete preforming), and the material belt is shaped into the shape of the elastic support frame (the two-time upper mold forming male 120 descends and the two-time forming insert 30 dies the material belt 43 to complete shaping).

7. The material tape 43 is continuously fed to the right, the first hole 431 is aligned with the seventh guiding and guiding hole 50 of the lower template, the second hole 433 is aligned with the sixth guiding and guiding hole 49 of the lower template, the third hole 436 is aligned with the fifth guiding and guiding hole 48 of the lower template, the fourth hole 437 is aligned with the fourth guiding and guiding hole 47, the fifth hole 439 is aligned with the third guiding and guiding hole 46, and the sixth hole 441 is aligned with the second guiding and guiding hole 45, as described above, the seventh hole 443 and the seventh square hole 444 on the material tape 43 are punched out in the same way, the shape is preformed and reshaped, and the blank step is performed (the lower guiding and guiding hole insert 33 is positioned on the material tape).

8. The material belt 43 is continuously fed to the right, the second hole 433 is aligned with the seventh guiding and guiding hole 50 of the lower template, the third hole 436 is aligned with the sixth guiding and guiding hole 49 of the lower template, the fourth hole 437 is aligned with the fifth guiding and guiding hole 48 of the lower template, the fifth hole 439 is aligned with the fourth guiding and guiding hole 47, the sixth hole 441 is aligned with the third guiding and guiding hole 46, and the seventh hole 443 is aligned with the second guiding and guiding hole 45, as described above, the eighth hole and the eighth hole on the material belt 43 are punched out in the same way, the shape is preformed and shaped, and the elastic support frame is divided (the elastic support frame to which the first hole 432 belongs can be cut off from the material belt by punching the separating punch and the punching and cutting insert 32).

In conclusion, the punching and forming continuous die provided by the utility model integrates punching, shape punching and forming on a set of die, so that the die cost and the production cost are reduced; all places participating in punching and shape punching in the lower die assembly are designed as inserts, and when a certain amount of dies are produced, cutting edges participating in punching are convenient to maintain or replace when worn or damaged, so that the processing life of the dies is prolonged; this mould has adopted twice fashioned mode when the shaping, the effectual stability of guaranteeing the mould production, has guaranteed the precision and the efficiency of the size of elastic support frame, transfers the mould to make things convenient for more high-efficient than single-shot mould relatively, also safer than single-shot punching press in the aspect of the operation.

The division of the functional modules is only used for illustration, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the functions may be divided into different functional modules to complete all or part of the functions described above.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. A punching forming continuous die is used for processing a material belt and is characterized by comprising an upper die assembly and a lower die assembly;

2. The continuous die for punch forming of claim 1, wherein the upper die assembly comprises an upper die base, an upper die backing plate, an upper die outer guide post, an upper die fixing plate, an upper die stripper plate, a stripper back plate and a punch member;

3. The continuous die for punching according to claim 2, wherein the upper die outer guide posts are two and fixed on the diagonal line of the upper die base to be inserted into the lower die outer guide posts on the lower die assembly for pre-guiding the continuous die for punching.

4. The continuous die of claim 2, wherein the punch member comprises a plurality of upper die springs, a plurality of upper die punches, and a plurality of upper die forming pins; each upper die elastic element is arranged between the upper die base plate and the discharging part, and each upper die punch and each upper die forming pin are arranged in the upper die fixing plate, the upper die discharging plate and the discharging back plate.

5. The continuous die for punching according to claim 4, wherein the upper die punch comprises a square punch for punching a square hole in the middle of the elastic support frame, a shape punch for punching the shape of the elastic support frame, a separation punch for separating the elastic support frame from the material belt and ensuring the shape dimension, and a guide hole punch for punching a guide hole in the material belt.

6. The continuous die of claim 5, wherein the male molding dies comprise a primary male molding die for shaping the strip of material for a first time and a secondary male molding die for shaping the strip of material for a second time.

7. The continuous die for punching forming according to claim 5 or 6, wherein the lower die assembly comprises a lower die pressure plate, a lower die lift pin, a lower die base plate, a lower die base, a lower die outer guide pillar, an insert part and an auxiliary part; the lower die pressing plate is positioned on the lower die plate, the lower die floating pin extends out of the top of the lower die plate to support the material belt, the lower die base plate is installed between the lower die plate and the lower die base, the lower die outer guide pillar is fixed on the lower die base, the insert part is installed on the lower die plate, and the auxiliary part is installed in the lower die plate and the lower die base plate.

8. The continuous die for punch forming according to claim 7, wherein the insert parts comprise a square hole insert for punching a square hole of the elastic support frame, a primary forming insert for primary forming of the elastic support frame, a secondary forming insert for secondary forming of the elastic support frame, a punching insert for punching the shape of the elastic support frame, a punching insert for dividing the elastic support frame and the strip, and a lower die pilot hole insert for positioning the strip of the elastic support frame, which are installed in the lower die plate.

9. The continuous die for punching and forming according to claim 7, wherein the auxiliary components comprise a lower die ejector pin, a lower die material retaining pin, a lower die elastic piece and a screw piece;

10. The continuous die for punch forming of claim 9, wherein the lower elastic member includes a lift spring and a thimble spring disposed in the lower die base and the lower die pad, the lift spring for supporting the lower die lift pin; the thimble spring is used for supporting the thimble of the lower die.