CN215660709U - Punching die - Google Patents

Abstract

The utility model discloses a punching die which comprises a lower die, an upper die, a pressing die and at least two spherical buffer blocks, wherein the lower die is provided with a lower die cavity and a lower die cavity; the upper die is arranged right above the lower die and is provided with a first guide rod; the pressing die is provided with a first guide hole, the first guide rod penetrates through the first guide hole, and the pressing die drives the upper die to be close to or far away from the lower die; the spherical buffer block is arranged between the upper die and the pressing die and is uniformly distributed around the center of the pressing die. The utility model can improve the punching stability of the punching die.

Description

Punching die

Technical Field

The utility model relates to the field of circuit board punching dies, in particular to a punching die.

Background

The buffer structure of current die-cut mould, mould bonding rubber slab on general the adoption, install on the moulding-die simultaneously the upper end of rubber slab, power structure drives the moulding-die downstream, and go up the circuit board stock that the downward tangential placed at the lower mould, the contact circuit board in-process, the effectual impact force that receives when alleviating the mould cutting of rubber slab wool dog, but because whole buffer structure is a rubber slab, it itself has impact deformation nature, when lower mould cutting off circuit board upper end atress is inhomogeneous, can make the rubber slab have slight slope deformation, go up the slope of mould major office, lead to the emergence of the crooked condition of circuit board cutting.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a punching die which can improve the punching stability of the punching die.

The punching die comprises a lower die, an upper die, a pressing die and at least two spherical buffer blocks; the upper die is arranged right above the lower die and is provided with a first guide rod; the pressing die is provided with a first guide hole, the first guide rod penetrates through the first guide hole, and the pressing die drives the upper die to be close to or far away from the lower die; the spherical buffer blocks are arranged between the upper die and the pressing die and are uniformly distributed around the center of the pressing die.

The punching die provided by the embodiment of the utility model at least has the following beneficial effects: when the circuit board is punched, the circuit board is placed on the lower die, the power mechanism drives the pressing die to move downwards and drives the lower die to move downwards, the upper die and the lower die are matched to cut the circuit board, the upper die is inclined upwards under the upward pressure of the circuit board, and the impact force fed back when the circuit board is cut off can be effectively relieved through the plurality of spherical buffer blocks; the die is provided with at least two spherical buffer blocks, and the spherical buffer blocks are uniformly distributed around the center of the die, so that the reverse impact force can be uniformly distributed on each spherical buffer block; the spherical buffer block is a sphere-like object, can buffer impact force in all directions, and has strong stress deformation recovery capability and long service life; the first guiding hole of moulding-die cooperates with the first guide bar of last mould, and the moulding-die can keep same direction with last mould to remove, improves the stability of mould.

According to some embodiments of the utility model, the ball-shaped buffer blocks are provided in four.

According to some embodiments of the utility model, the ball bump stop is made of an elastic material.

According to some embodiments of the utility model, the stamp is provided with at least two protrusions, the spherical bump stop is provided with a groove, and the protrusions cooperate with the grooves corresponding to the spherical bump stop.

According to some embodiments of the utility model, the first guide lever is provided with a stopper that prevents the upper die from being separated from the press die.

According to some embodiments of the utility model, the first guide bar is further provided with a spacer disposed between the stopper and the die.

According to some embodiments of the utility model, the die is provided with a cutter, the upper die is provided with a through hole, the cutter passes through the through hole, and a blade part of the cutter can protrude or hide to the upper die.

According to some embodiments of the utility model, the length of the blade portion is 0.5 to 1 mm.

According to some embodiments of the utility model, the lower die and the upper die are provided with a second guide hole on one side and a second guide rod on the other side, the second guide rod cooperating with the second guide rod to enable the upper die to be aligned with the lower die.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a piercing die according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a first guide bar of the piercing die shown in fig. 1;

fig. 3 is a schematic view of a preparatory working stage of the blanking die shown in fig. 1;

FIG. 4 is an exploded view of the piercing die shown in FIG. 1;

fig. 5 is a schematic cross-sectional view of a cutter of the piercing die shown in fig. 1.

A lower die 100, a second guide bar 110;

an upper die 200, a first guide rod 210, a limiting block 211 and a gasket 212;

a die 300, a first guide hole 310, a bump 320, a cutter 330;

ball-shaped buffer block 400, groove 410.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 5, a punching die according to an embodiment of a first aspect of the present invention includes a lower die 100, an upper die 200, a pressing die 300, and at least two ball bumpers 400; the upper die 200 is arranged right above the lower die 100, and the upper die 200 is provided with a first guide rod 210; the die 300 is provided with a first guide hole through which the first guide bar 210 passes, the die 300 driving the upper die 200 to approach or separate from the lower die 100; spherical cushion blocks 400 are disposed between the upper die 200 and the press die 300, and the spherical cushion blocks 400 are uniformly distributed around the center of the press die 300.

"the spherical buffer blocks are uniformly distributed around the center of the pressing die 300", it can be understood that, with the center of gravity of the pressing die 300 as the center, a plurality of spherical buffer blocks are arranged between the pressing die 300 and the upper die 200 and uniformly arranged around the center of gravity thereof, so that the spherical buffer blocks can be uniformly stressed.

The punching die provided by the embodiment of the utility model at least has the following beneficial effects: when a circuit board is punched, the circuit board is placed on the lower die 100, the power mechanism drives the pressing die 300 to move downwards and drives the lower die 100 to move downwards, the upper die 200 is matched with the lower die 100 and can cut the circuit board, the upper die 200 is inclined upwards under the upward pressure of the circuit board, and the impact force fed back when the circuit board is cut off can be effectively relieved through the plurality of spherical buffer blocks; at least two spherical buffer blocks 400 are arranged, and the spherical buffer blocks are uniformly distributed around the center of the pressing die 300, so that the reverse impact force can be uniformly distributed on each spherical buffer block; the spherical buffer block is a sphere-like object, can buffer impact force in all directions, and has strong stress deformation recovery capability and long service life; the first guide hole of the die 300 is engaged with the first guide bar 210 of the upper die 200, so that the die 300 and the upper die 200 can move in the same direction, thereby improving the stability of the die.

In some embodiments of the present invention, four ball bumpers 400 are provided. Four globular buffer blocks 400 evenly distributed between moulding-die 300 and last mould 200 make reverse impact force can evenly distributed and individual globular buffer block on, four globular buffer blocks 400 can the force balance, improve the stability of device.

In some embodiments of the present invention, the ball bumper 400 is made of an elastic material. The elastic material may be rubber or silicone.

In some embodiments of the present invention, the stamper 300 is provided with at least two protrusions 320, the spherical bump stopper 400 is provided with a groove 410, and the protrusions 320 are engaged with the groove 410 of the corresponding spherical bump stopper 400. The number of the bumps 320 corresponds to the number of the spherical buffer blocks, the spherical buffer blocks are installed on the corresponding bumps 320, the bumps 320 are embedded into the grooves 410 of the spherical buffer blocks, and the upper die 200 and the pressing die 300 compress the spherical buffer blocks to prevent the spherical buffer blocks from being separated.

In some embodiments of the present invention, the first guide lever 210 is provided with a stopper 211, and the stopper 211 prevents the upper die 200 from being separated from the die 300. The stopper 211 is coupled to an end of the first guide lever 210, and prevents the separation of the die 300 from the upper die 200 when the die 300 moves upward.

In some embodiments of the present invention, the first guide bar 210 is further provided with a spacer 212, and the spacer 212 is disposed between the stopper 211 and the die 300. The spacer 212 is used to prevent the stopper 211 from wearing away from the stamper 300 when the stamper moves upward.

In some embodiments of the present invention, the stamper 300 is provided with a cutter 330, the upper mold 200 is provided with a through hole, the cutter 330 penetrates the through hole, and the blade portion of the cutter 330 can protrude or be hidden to the upper mold 200. When punching a circuit board, the pressing die 300 drives the upper die 200 to press downwards, and the blade part is hidden to the upper die 200 at the moment; after the upper die 200 and the lower die 100 are pressed tightly, the pressing die 300 continues to keep a certain distance, so that the knife edge part can protrude out of the upper die 200 and can cut the circuit board; after cutting, the blade portion is hidden in the upper die 200. After the circuit board is punched, the circuit board is easily glued together at the incision on mould 200, goes up mould 200 and circuit board and moves up together, and cutting edge portion can be outstanding or hide to last mould 200, can effectively prevent that the circuit board from gluing together.

In some embodiments of the present invention, the length of the knife edge is 0.5 to 1 mm.

In some embodiments of the present invention, the lower mold 100 and the upper mold 200 are provided with a second guide hole on one side and a second guide bar 110 on the other side, and the second guide bar 110 is engaged with the second guide bar 110 to enable the upper mold 200 to be aligned with the lower mold 100. The second guide bar 110 and the second guide hole are used to precisely align the upper mold 200 and the lower mold 100, thereby preventing the upper mold 200 and the lower mold 100 from being misaligned.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A blanking die, comprising:

a lower die (100);

the upper die (200) is arranged right above the lower die (100), and the upper die (200) is provided with a first guide rod (210);

a die (300) provided with a first guide hole (310) through which the first guide bar (210) passes, the die (300) driving the upper die (200) to approach or separate from the lower die (100);

at least two spherical buffer blocks (400), wherein the spherical buffer blocks (400) are arranged between the upper die (200) and the pressing die (300), and the spherical buffer blocks (400) are uniformly distributed around the center of the pressing die (300).

2. The trimming die of claim 1, wherein four spherical cushion blocks (400) are provided.

3. A blanking die according to claim 1, characterized in that the ball-shaped cushion block (400) is made of an elastic material.

4. A blanking die according to claim 1, characterized in that the stamp (300) is provided with at least two protrusions (320), that the spherical cushion block (400) is provided with grooves (410), and that the protrusions (320) cooperate with the grooves (410) of the corresponding spherical cushion block (400).

5. The blanking die according to claim 1, characterized in that the first guide bar (210) is provided with a stopper (211), the stopper (211) preventing the upper die (200) from being separated from the die (300).

6. The blanking die according to claim 5, characterized in that the first guide bar (210) is further provided with a spacer (212), the spacer (212) being arranged between the stopper (211) and the die (300).

7. The trimming die according to claim 1, characterized in that the stamp (300) is provided with a cutter (330) and the upper die (200) is provided with a through hole, the cutter (330) passes through the through hole, and the edge portion of the cutter (330) can protrude or be hidden to the upper die (200).

8. The trimming die of claim 7, wherein the length of the blade portion is 0.5 to 1 mm.

9. A blanking die according to claim 1, characterized in that the lower die (100) and the upper die (200) are provided with a second guide hole on one hand and a second guide bar (110) on the other hand, the second guide bar (110) cooperating with the second guide bar (110) to enable the upper die (200) to be aligned with the lower die (100).

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