CN215467529U - Prevent stamping die of drift damage - Google Patents

Abstract

The utility model discloses a stamping die capable of preventing a punch from being damaged, which comprises a lower die seat and a pressing die, wherein the bottoms of the outer walls at two ends of the lower die seat and the tops of the outer walls at two ends of the pressing die are fixedly connected with connecting seats, a buffer frame is fixedly connected between the two ends of the opposite side of each connecting seat, a U-shaped groove is formed in the middle of the lower die seat, pressing seats are slidably connected to two sides of the inner wall of the bottom of the U-shaped groove, pushing seats are fixedly connected to two sides of the bottom of the pressing die, a fixing block is fixedly connected to the middle of the inner wall of the periphery of the U-shaped groove, and slots are formed in two ends of the bottoms of the outer walls at two sides of the fixing block. The first spring is compressed, the buffering action of the buffering frame is matched, the die pressing process and the blank punching process are buffered, the problem that the punching head is cracked and damaged after entering the die cavity is solved, one side of the abutting seat can be limited by the positioning plate, the punching head is prevented from being directly contacted with the inner wall of the top of the die cavity, and the punching head is prevented from being damaged by impact.

Description

Prevent stamping die of drift damage

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping die capable of preventing a punch from being damaged.

Background

The stamping die is a special technological equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

Through the retrieval, chinese patent publication is CN 210435207U's patent, discloses a stamping die who prevents drift damage, including last mould and lower mould, be fixed with the shaping drift in the last mould, be provided with in the lower mould with the corresponding shaping cavity of shaping drift, install in the shaping cavity with shaping drift matched with shaping piece, the upper surface of shaping piece is higher than the upper surface of lower mould, the lower mould is in the periphery of shaping cavity still is provided with cylindrical cavity. The device in the above patent suffers from the following disadvantages: the punch damage prevention assembly does not have a good buffering effect, so that it is highly desirable to design a punch mold for preventing punch damage to solve the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a stamping die capable of preventing a punch from being damaged.

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

the utility model provides a prevent stamping die of drift damage, includes die holder and moulding-die, the equal fixedly connected with connecting seat in both ends outer wall bottom of die holder and the both ends outer wall top of moulding-die, and fixedly connected with buffering frame between the relative one side both ends of connecting seat, the intermediate position of die holder is opened there is U type groove, and the equal sliding connection in bottom inner wall both sides in U type groove has to support and press the seat, and the equal fixedly connected with in bottom both sides of moulding-die impels the seat, the inner wall intermediate position fixedly connected with fixed block all around in U type groove, and the both ends of fixed block both sides outer wall bottom all open the slot, support the equal fixedly connected with in both ends of pressing seat one side outer wall bottom and peg graft the guide bar in the slot, the outer wall of guide bar has cup jointed first spring.

Preferably, the middle position of the top of the lower die holder is fixedly connected with a stamping head, the middle position of the bottom of the pressing die is provided with a die cavity, and the die cavity is positioned right above the pressing die.

Preferably, the two ends of the tops of the outer walls of the two sides of the fixing block are fixedly connected with connecting rods, and one ends of the connecting rods are fixedly connected with positioning plates.

Preferably, the buffer frame comprises a buffer cylinder, a second spring and a buffer rod, the buffer rod is inserted in the buffer cylinder, and the second spring is fixedly connected between the buffer rod and the buffer cylinder.

Preferably, both sides of the inner wall of the bottom of the U-shaped groove are provided with sliding grooves, the bottoms of the abutting-pressing seats are fixedly connected with sliding seats, and the sliding seats are inserted into the sliding grooves.

Preferably, the bottom of one side of the propelling seat and the top of one side of the pressing seat are both provided with inclined planes, and the propelling seat and the pressing seat are both provided with a trapezoidal structure.

Preferably, the top of die cavity is opened there is the horizontal groove, and the top inner wall fixedly connected with equidistance distribution of horizontal groove bolster, and the cross section of bolster is the ellipse, and the bolster is the steel sheet material.

The utility model has the beneficial effects that:

1. through the die holder that sets up, the moulding-die, the die cavity, the punching press head, the buffering frame, impel the seat, U type groove, support and press the seat, the fixed block, the slot, guide bar and first spring, work and when the maloperation leads to closed sky to beat appearing when stamping die, the moulding-die moves down, make impel the seat to extend gradually into the inside in U type groove, utilize to impel the seat to promote to support and press the seat and slide in U type groove, and make the compression of first spring, the cushioning effect of cooperation buffering frame, cushion the processing when beating moulding-die process and sky, the problem of the damage of cracking appears colliding after preventing the punching press head to get into the die cavity.

2. Through fixed block, connecting rod, locating plate and the support that sets up, when supporting the seat and carrying out position control at U type inslot, usable locating plate is injectd the processing to one side of supporting the seat for the migration distance who supports the seat has the definite, thereby can avoid the punching press head direct to contact with the top inner wall of die cavity, avoids punching press head impact damage.

3. Through die cavity, cross slot and the buffering piece that sets up, because the transversal ellipse that personally submits of bolster, the bolster is the steel sheet material, and the steel sheet material has the shock-absorbing capacity, when the punching press head got into the die cavity inside, utilized the bolster to carry out buffering processing to the top of punching press head, fully prevented the drift damage.

Drawings

Fig. 1 is a schematic front sectional view of a punch die for preventing damage to a punch according to embodiment 1;

fig. 2 is a schematic cross-sectional view of a U-shaped groove of a stamping die for preventing a punch from being damaged in embodiment 1;

fig. 3 is a schematic structural view of a die cavity and a buffer of a stamping die for preventing a punch from being damaged according to embodiment 2.

In the figure: the buffer die comprises a lower die base 1, a U-shaped groove 2, a pressing base 3, a sliding groove 4, a fixing block 5, a slot 6, a first spring 7, a buffer cylinder 8, a second spring 9, a buffer rod 10, a pressing die 11, a die cavity 12, a pushing base 13, a punching head 14, a positioning plate 15, a guide rod 16, a connecting rod 17, a transverse groove 18 and a buffer piece 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a stamping die capable of preventing punch damage comprises a lower die holder 1 and a stamping die 11, connecting seats are welded at the bottoms of the outer walls of two ends of the lower die holder 1 and the tops of the outer walls of two ends of the stamping die 11, a buffer frame is welded between two ends of one opposite side of each connecting seat, a U-shaped groove 2 is formed in the middle of the lower die holder 1, abutting seats 3 are slidably connected with two sides of the inner wall of the bottom of the U-shaped groove 2, pushing seats 13 are welded at two sides of the bottom of the stamping die 11, a fixed block 5 is welded at the middle of the inner wall of the periphery of the U-shaped groove 2, slots 6 are formed in two ends of the outer wall of two sides of each fixed block 5, guide rods 16 inserted in the slots 6 are welded at two ends of the outer wall of one side of each abutting seat 3, first springs 7 are sleeved on the outer walls of the guide rods 16, when the stamping die is operated and is closed idle operation is caused, the stamping die 11 moves downwards, make and impel seat 13 to extend into the inside in U type groove 2 gradually, utilize to impel seat 13 to promote to support and press seat 3 and slide in U type groove 2 to make the compression of first spring 7, the cushioning effect of cooperation buffering frame carries out the buffer processing to moulding-die process and when empty beating, prevents to appear knocking into the problem of splitting the damage after punching press head 14 gets into die cavity 12.

The middle position of the top of the lower die holder 1 is connected with a stamping head 14 through a bolt, the middle position of the bottom of the pressing die 11 is provided with a die cavity 12, and the die cavity 12 is positioned right above the pressing die 11.

Wherein, connecting rod 17 has all been welded at the both ends at fixed block 5 both sides outer wall top, and the welding of the one end of connecting rod 17 has locating plate 15, when pressing seat 3 and carrying out position control in U type groove 2, usable locating plate 15 is injectd the processing to one side of pressing seat 3 for the displacement distance who presses seat 3 has the definite, thereby can avoid punching press head 14 direct and die cavity 12's top inner wall to contact, avoids punching press head 14 to strike the damage.

Wherein, the buffer bracket comprises buffer cylinder 8, second spring 9 and buffer rod 10, and the inside at buffer cylinder 8 is pegged graft to buffer rod 10, and second spring 9 welds between buffer rod 10 and buffer cylinder 8.

Wherein, both sides of the inner wall of the bottom of the U-shaped groove 2 are provided with sliding grooves 4, and sliding seats are welded at the bottom of the abutting-against seat 3 and are inserted in the sliding grooves 4.

Wherein, the bottom of one side of propelling seat 13 and the top of one side of pressing seat 3 all set up to the inclined plane, and propelling seat 13 and pressing seat 3 all set up to the trapezoidal body structure.

The working principle is as follows: when stamping die worked and the maloperation appeared and lead to closed idle beating, moulding-die 11 moves down, make to impel the inside that seat 13 extends into U type groove 2 gradually, utilize to impel seat 13 to promote to support and press seat 3 and slide in U type groove 2, and make the compression of first spring 7, the cushioning effect of cooperation buffer frame, carry out the buffer treatment when beating to moulding-die process and idle, prevent to appear colliding the problem of splitting damage after punching head 14 gets into die cavity 12, when supporting and pressing seat 3 and carrying out position control in U type groove 2, usable locating plate 15 is injectd the processing to one side of supporting and pressing seat 3, make the displacement of supporting and pressing seat 3 have the limit, thereby can avoid punching head 14 direct and die cavity 12's top inner wall to contact, avoid punching head 14 to strike the damage.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, the top of the die cavity 12 is provided with a transverse groove 18, and the inner wall of the top of the transverse groove 18 is welded with buffering members 19 distributed at equal intervals, the cross section of each buffering member 19 is elliptical, and each buffering member 19 is made of a steel sheet.

The working principle is as follows: because the cross section of the buffer piece 19 is oval, the buffer piece 19 is made of steel sheet material, and the steel sheet material has buffer performance, when the stamping head 14 enters the die cavity 12, the top of the stamping head 14 is buffered by the buffer piece 19, and the stamping head is fully prevented from being damaged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. A stamping die capable of preventing a punch from being damaged comprises a lower die holder (1) and a pressing die (11) and is characterized in that connecting seats are fixedly connected to the bottoms of the outer walls at the two ends of the lower die holder (1) and the tops of the outer walls at the two ends of the pressing die (11), a buffer frame is fixedly connected between the two ends of one opposite side of each connecting seat, a U-shaped groove (2) is formed in the middle of the lower die holder (1), pressing seats (3) are slidably connected to the two sides of the inner wall of the bottom of the U-shaped groove (2), pushing seats (13) are fixedly connected to the two sides of the bottom of the pressing die (11), fixing blocks (5) are fixedly connected to the middle of the inner wall of the periphery of each U-shaped groove (2), slots (6) are formed in the two ends of the bottoms of the outer walls at the two sides of each fixing block (5), guide rods (16) inserted in the slots (6) are fixedly connected to the two ends of the bottom of the outer wall at one side of each pressing seat (3), the outer wall of the guide rod (16) is sleeved with a first spring (7).

2. The punching die capable of preventing the punch from being damaged according to the claim 1, characterized in that the punching head (14) is fixedly connected to the middle position of the top of the lower die holder (1), the die cavity (12) is opened at the middle position of the bottom of the pressing die (11), and the die cavity (12) is positioned right above the pressing die (11).

3. The stamping die capable of preventing the punch from being damaged as claimed in claim 2, wherein a connecting rod (17) is fixedly connected to both ends of the top of the outer wall of each side of the fixing block (5), and a positioning plate (15) is fixedly connected to one end of the connecting rod (17).

4. The stamping die capable of preventing the punch from being damaged as claimed in claim 3, wherein the buffer frame is composed of a buffer cylinder (8), a second spring (9) and a buffer rod (10), the buffer rod (10) is inserted into the buffer cylinder (8), and the second spring (9) is fixedly connected between the buffer rod (10) and the buffer cylinder (8).

5. The stamping die capable of preventing the punch from being damaged according to claim 4, wherein sliding grooves (4) are formed in both sides of the inner wall of the bottom of the U-shaped groove (2), and sliding seats are fixedly connected to the bottoms of the pressing seats (3) and inserted into the sliding grooves (4).

6. The stamping die for preventing punch damage as claimed in any one of claims 1 to 5, wherein the bottom of one side of the pushing seat (13) and the top of one side of the pressing seat (3) are both provided with slopes, and the pushing seat (13) and the pressing seat (3) are both provided with a trapezoidal structure.

7. The stamping die capable of preventing the punch from being damaged as claimed in claim 2, wherein a transverse groove (18) is formed in the top of the die cavity (12), buffering members (19) distributed at equal intervals are fixedly connected to the inner wall of the top of the transverse groove (18), the cross section of each buffering member (19) is oval, and each buffering member (19) is made of a steel sheet.

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