CN214442408U

CN214442408U - Reduce mould structure of mould punching press

Info

Publication number: CN214442408U
Application number: CN202120256022.XU
Authority: CN
Inventors: 焦韶勇; 李开泉; 黄文斌; 刘成富
Original assignee: Dongguan Dongli Intelligent Mold Technology Co ltd
Current assignee: Dongguan Dongli Intelligent Mold Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-22
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a pair of reduce mould stamping force's mould structure contains from last cope match-plate pattern, last die pad board, last mould blade fixed plate, takes off flitch, lower bolster, the die holder that down sets gradually, and the cope match-plate pattern bottom is equipped with a plurality of hydro-cylinders, and hydro-cylinder output shaft fixed connection takes off the flitch top, takes off and is equipped with the spacing groove that pairs and holds in the palm the silo on flitch and the lower bolster respectively, is equipped with the blade on the last mould blade fixed plate, and the spacing groove is stretched into to the blade bottom. In the stamping process, the oil cylinder outputs to the stripper plate to press the product, and the blade punches the product; in the process of stamping and die sinking, the oil cylinder outputs to push the product out of the blade to realize stripping. The structure is simple, compared with the die structure using the stripping spring, the stamping force required by the die is only required to be output by the oil cylinder under the condition of the same blanking force, and the larger spring stripping force does not need to be overcome, so that the stamping force of the die is greatly reduced, the tonnage of equipment can be reduced, and the equipment and the production cost are reduced.

Description

Reduce mould structure of mould punching press

Technical Field

The utility model relates to a stamping die field indicates a reduce mould stamping force's mould structure especially.

Background

The existing stamping die is basically connected with a stripper plate through a stripper spring, when the die is opened, the stripper plate is pushed to eject a product by using the elasticity of the stripper spring so as to realize the action of stripping, and the stamping force required by the die is equal to the blanking force plus the compression force of the stripper plate on the stripper spring. In the stamping forming process, the elastic force of the stripping spring needs to be overcome, so that the tonnage of the die stamping machine tool is increased, and the equipment investment cost and the production operation cost are increased.

Disclosure of Invention

The utility model aims to solve the problem that a reduce mould punching press mould structure is provided, reduce the required strength of punching press, reduction in production cost and equipment cost.

The problem of solve above-mentioned technical problem will be according to the utility model provides a pair of reduce mould stamping force's mould structure, contain the cope match-plate pattern that down sets gradually from the last, go up the die pad board, go up die blade fixed plate, take off the flitch, the lower bolster, die holder, it is bottom at the cope match-plate pattern to go up die pad board fixed connection, it is bottom at the die pad board to go up die blade fixed plate, lower bolster fixed connection is at the die holder top, be provided with a plurality of canceling release mechanical system between die holder and the cope match-plate pattern, a plurality of hydro-cylinders of cope match-plate pattern bottom fixedly connected with, the hydro-cylinder runs through the setting on cope match-plate pattern board and last die blade fixed plate, hydro-cylinder output shaft fixed connection is at taking off the flitch top, it is equipped with mating spacing groove and support silo respectively to take off flitch bottom and lower bolster top, fixedly connected with runs through the blade that sets up on taking off the flitch on the die blade fixed plate, the blade bottom stretches into the spacing groove.

Preferably, the reset mechanism comprises a guide cylinder fixedly connected to the top of the lower die base, a guide post fixedly connected to the bottom of the upper die plate and matched with the guide cylinder, and a reset spring sleeved on the guide post, wherein the reset spring is abutted between the bottom of the upper die plate and the top of the guide cylinder.

Preferably, the relative both sides face of last mould blade fixed plate all is equipped with clamping mechanism, clamping mechanism includes the promotion round pin of fixed connection in last mould blade fixed plate side, fixed connection is in the pivot of taking off the flitch side, swivelling joint is at the epaxial latch hook piece of commentaries on classics, fixed connection is at the peg of lower bolster side, latch hook piece and taking off the flitch side and adjoin, it sets up on same vertical face to promote the round pin with the pivot, it is provided with "V" type hole to run through on the latch hook piece, it wears to establish on "V" type hole and can follow "V" type hole activity to promote the round pin, latch hook piece one end is equipped with the couple, "V" type hole is formed by crossing first bar hole and the connection of second bar hole, first bar hole and second bar hole all match with promoting the peg.

Preferably, the moving strokes of the pushing pin on the first strip-shaped hole and the second strip-shaped hole are respectively 8mm and 9 mm.

Preferably, the bottom of the stripper plate is provided with a punching groove, the blade penetrates through the punching groove, and the lower template is provided with a chip discharge groove matched with the punching groove in a penetrating manner.

The utility model has the advantages that: the utility model provides a mould structure for reducing the stamping force of a mould, which is provided with a unique assembly structure, a stripper plate is fixedly connected on an output shaft of an oil cylinder, the stripper plate is driven by the oil cylinder to move, an upper mould plate is pressed down to close a mould in the stamping process, the oil cylinder outputs to control the stripper plate to press a product, the product is positioned between a limiting groove and a material supporting groove, and a blade punches on the product; in the process of stamping and die sinking, the oil cylinder outputs to push the product out of the blade to realize stripping. The structure is simple, compared with the die structure using the stripping spring, the stamping force required by the die is only required to be output by the oil cylinder under the condition of the same blanking force, and the larger spring stripping force does not need to be overcome, so that the stamping force of the die is greatly reduced, the tonnage of equipment can be reduced, and the equipment and the production cost are reduced.

Drawings

Fig. 1 illustrates a schematic cross-sectional structure diagram of the mold of the present invention.

Fig. 2 illustrates the structure diagram of the mold of the present invention in the closed state.

Fig. 3 illustrates a schematic cross-sectional structure diagram of the stripper plate of the present invention.

Fig. 4 illustrates the cross-sectional structure of the lower template of the present invention.

Fig. 5 illustrates a schematic structural diagram of the hook member of the present invention.

The reference numbers illustrate: the device comprises an upper template 1, an upper template pad 2, an upper die blade fixing plate 3, a stripper plate 4, a limiting groove 40, a punching groove 41, a lower template 5, a material supporting groove 50, a chip groove 51, a lower die holder 6, an oil cylinder 7, a blade 8, a guide cylinder 9, a guide post 10, a return spring 11, a pushing pin 12, a rotating shaft 13, a latch hook 14, a V-shaped hole 140, a hook 141, a first strip-shaped hole 142, a second strip-shaped hole 143, a hanging pin 15 and a product 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments.

All other embodiments of the person skilled in the art, which are obtained without inventive work on the basis of the described embodiments of the present disclosure, are within the scope of protection of the present disclosure.

Refer to fig. 1-5.

The utility model provides a mould structure for reducing the stamping force of a mould, which comprises an upper mould plate 1, an upper mould backing plate 2, an upper mould blade fixing plate 3, a stripper plate 4, a lower mould plate 5 and a lower mould base 6 which are sequentially arranged from top to bottom, wherein the upper mould backing plate 2 is fixedly connected at the bottom of the upper mould plate 1, the upper mould blade fixing plate 3 is fixedly connected at the bottom of the upper mould backing plate 2, the lower mould plate 5 is fixedly connected at the top of the lower mould base 6, a plurality of reset mechanisms are arranged between the lower mould base 6 and the upper mould plate 1, a plurality of oil cylinders 7 are fixedly connected at the bottom of the upper mould plate 1, the oil cylinders 7 are arranged on the upper mould backing plate 2 and the upper mould blade fixing plate 3 in a penetrating way, output shafts of the oil cylinders 7 are fixedly connected at the top of the stripper plate 4, the bottom of the stripper plate 4 and the top of the lower mould plate 5 are respectively provided with a matched limiting groove 40 and a material supporting groove 50, a blade 8 arranged on the upper mould blade fixing plate 3 in a penetrating way, the bottom end of the blade 8 extends into the limiting groove 40.

The specific use principle is as follows: the stripper plate 4 is fixedly connected to an output shaft of the oil cylinder 7, and the closed shapes of the limiting groove 40 and the material supporting groove 50 are matched with the shape of a product and can clamp the product through the motion process of driving the stripper plate 4 by the oil cylinder 7. In the stamping process, the upper pressing template 1 moves towards the lower template 5 side to carry out die assembly, the oil cylinder 7 outputs to control the stripper plate 4 to press the product 16, the product 16 is positioned between the limiting groove 40 and the material supporting groove 50, and the blade 8 synchronously moves downwards along with the upper die blade fixing plate 3 and punches on the product 16; in the process of stamping and die sinking, the upper die plate 1 is reset under the driving of the reset mechanism, the blade 8 is reset and ascends, and the output of the oil cylinder 7 pushes the product 16 out of the blade 8 to realize stripping. It is proved through experimental verification that, under the required blanking force of product under 100 t's the condition, it takes off the material power that takes off of material spring needs 40t to use the mould structure of traditional material spring of taking off, and the required stamping force of mould is 140t promptly, and according to the utility model discloses an utilize the mould structure of hydro-cylinder 7 drive stripper plate 4 action, its hydro-cylinder 7 only needs 5t to the packing force of product 16, and the required stamping force of mould is 105t promptly. Therefore, the required stamping force of the die is under the condition of the same blanking force, and compared with the die structure using the stripping spring, the utility model discloses the die structure only needs the hydro-cylinder 7 to output a very small pressing force to the product 16 when the stamping, and the material force is stripped without overcoming the great spring, thereby greatly reducing the stamping force of the die, reducing the tonnage of the equipment and reducing the equipment and the production cost.

Based on above-mentioned embodiment, canceling release mechanical system includes guide cylinder 9 of fixed connection at the lower bolster 6 top, fixed connection in 1 bottom of cope match-plate pattern and with guide cylinder 9 matching guide pillar 10, cover establish reset spring 11 on guide pillar 10, reset spring 11 butt is between 1 bottom of cope match-plate pattern and guide cylinder 9 top. When the upper die plate 1 is pressed down to perform die assembly, the guide post 10 moves along the guide cylinder 9 and compresses the return spring 11, and after the die is opened, the upper die plate 1 is reset under the elastic force of the return spring 11.

Based on the above embodiment, the two opposite side surfaces of the upper die blade fixing plate 3 are respectively provided with a die locking mechanism, the die locking mechanism comprises a pushing pin 12 fixedly connected to the side surface of the upper die blade fixing plate 3, a rotating shaft 13 fixedly connected to the side surface of the stripper plate 4, a latch element 14 rotatably connected to the rotating shaft 13, and a hanging pin 15 fixedly connected to the side surface of the lower die plate 5, the latch element 14 is adjacent to the side surface of the stripper plate 4, the pushing pin 12 and the rotating shaft 13 are arranged on the same vertical surface, a "V" -shaped hole 140 is arranged on the latch element 14 in a penetrating manner, the pushing pin 12 penetrates through the "V" -shaped hole 140 and can move along the "V" -shaped hole 140, one end of the latch element 14 is provided with a hook 141, the "V" -shaped hole 140 is formed by connecting a first strip-shaped hole 142 and a second strip-shaped hole 143 which are intersected, and the first strip-shaped hole 142 and the second strip-shaped hole 143 are both matched with the pushing pin 12. When the die is closed and blanked, a stamping force is applied to the upper die plate 1, the distance between the stripper plate 4 and the upper die blade fixing plate 3 is in a minimum state, the pushing pin 12 is located at the lowest end of the first strip-shaped hole 142, the hook 141 is hung on the hanging pin 15, and the die is locked; the die sinking action is carried out after blanking is finished, the punching force on the upper die plate 1 is released, the upper die plate 1 is driven by the reset mechanism to rise, the oil cylinder 7 continues to output to press a product 16, at the moment, the upper die blade fixing plate 3 rises and drives the pushing pin 12 to rise to the uppermost end of the first strip-shaped hole 142, namely, the pushing pin 12 is located at the turning point between the first strip-shaped hole 142 and the second strip-shaped hole 143, at the moment, the blade 8 is separated from the product 16 to finish stripping, the upper die blade fixing plate 3 continues to rise under the reset drive of the upper die plate 1, the pushing pin 12 slides into the second strip-shaped hole 143 and drives the latch hook part 14 to rotate around the rotating shaft 13, when the pushing pin 12 slides to the rightmost end of the second strip-shaped hole 143, the hook 141 is separated from the hanging pin 15, the die unlocking is finished, and the stripping and die sinking stability is ensured.

Based on the above embodiment, the movable strokes of the push pin 12 on the first strip-shaped hole 142 and the second strip-shaped hole 143 are 8mm and 9mm, respectively. The arc at the turning point between the first strip-shaped hole 142 and the second strip-shaped hole 143 is defined as a transition arc, the radii of the end arcs of the first strip-shaped hole 142 and the second strip-shaped hole 143 and the transition arc are all consistent with the pushing pin 12, the distance between the center of the arc at the end of the first strip-shaped hole 142 and the center of the transition arc is set to be 8mm, the distance between the center of the arc at the end of the second strip-shaped hole 143 and the center of the transition arc is set to be 9mm, and the control of the stripping stroke of 8mm and the control of the mold unlocking stroke of 9mm are realized.

Based on the above embodiment, the bottom of the stripper plate 4 is provided with the punching groove 41, the blade 8 penetrates through the punching groove 41, and the lower template 5 penetrates through the chip discharge groove 51 paired with the punching groove 41. The blanking groove 41 can be used as a blanking processing area, flying scraps generated in the blanking process fly into the blanking groove 41 and are discharged out of the die through the scrap discharge groove 51, interference on blanking is avoided, and scrap discharge is facilitated.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The die structure for reducing the stamping force of the die is characterized by comprising an upper die plate (1), an upper die base plate (2), an upper die blade fixing plate (3), a stripper plate (4), a lower die plate (5) and a lower die holder (6) which are sequentially arranged from top to bottom, wherein the upper die base plate (2) is fixedly connected to the bottom of the upper die plate (1), the upper die blade fixing plate (3) is fixedly connected to the bottom of the upper die base plate (2), the lower die plate (5) is fixedly connected to the top of the lower die holder (6), a plurality of reset mechanisms are arranged between the lower die holder (6) and the upper die plate (1), a plurality of oil cylinders (7) are fixedly connected to the bottom of the upper die plate (1), the oil cylinders (7) are arranged on the upper die base plate (2) and the upper die blade fixing plate (3) in a penetrating manner, output shafts of the oil cylinders (7) are fixedly connected to the top of the stripper plate (4), the bottom of the stripper plate (4) and the top of the lower template (5) are respectively provided with a matched limiting groove (40) and a material supporting groove (50), the upper die blade fixing plate (3) is fixedly connected with a blade (8) which penetrates through the stripper plate (4), and the bottom end of the blade (8) extends into the limiting groove (40).

2. The die structure for reducing the stamping force of the die according to claim 1, wherein the reset mechanism comprises a guide cylinder (9) fixedly connected to the top of the lower die holder (6), a guide post (10) fixedly connected to the bottom of the upper die plate (1) and matched with the guide cylinder (9), and a reset spring (11) sleeved on the guide post (10), wherein the reset spring (11) abuts between the bottom of the upper die plate (1) and the top of the guide cylinder (9).

3. The die structure for reducing the stamping force of the die according to claim 1, wherein the two opposite side surfaces of the upper die blade fixing plate (3) are respectively provided with a clamping mechanism, the clamping mechanism comprises a pushing pin (12) fixedly connected to the side surface of the upper die blade fixing plate (3), a rotating shaft (13) fixedly connected to the side surface of the stripper plate (4), a latch member (14) rotatably connected to the rotating shaft (13), and a hanging pin (15) fixedly connected to the side surface of the lower die plate (5), the latch member (14) is adjacent to the side surface of the stripper plate (4), the pushing pin (12) and the rotating shaft (13) are arranged on the same vertical surface, the latch member (14) is provided with a V-shaped hole (140) in a penetrating manner, the pushing pin (12) penetrates through the V-shaped hole (140) and can move along the V-shaped hole (140), latch hook spare (14) one end is equipped with couple (141), V type hole (140) are formed by intersecting first bar hole (142) and second bar hole (143) connection, first bar hole (142) with second bar hole (143) all with it matches to promote round pin (12).

4. The die structure for reducing the punching force of the die as claimed in claim 3, wherein the moving strokes of the pushing pin (12) on the first strip-shaped hole (142) and the second strip-shaped hole (143) are respectively 8mm and 9 mm.

5. The die structure for reducing the stamping force of the die according to claim 1, wherein a stamping groove (41) is formed at the bottom of the stripper plate (4), the blade (8) is arranged on the stamping groove (41) in a penetrating manner, and a chip discharge groove (51) matched with the stamping groove (41) is arranged on the lower template (5) in a penetrating manner.