CN211707865U - Stable form punching press becomes hole mould - Google Patents

Abstract

The utility model provides a stable punching hole forming die, which comprises an upper template, an upper die, a lower die and a lower template which are arranged from top to bottom in sequence, wherein a guide mechanism is connected between the upper template and the lower template, a punching head with the length of Q is installed at the bottom of the upper die, and a punching abdicating hole matched with the punching head is arranged on the lower die; a first spring and a limiting clamp plate with the height of H are further mounted below the upper die, a pressing plate with the thickness of D is connected to the bottom of the first spring, the stretching length of the first spring after the pressing plate is connected is P, P is greater than Q, and P + D is less than H; still be equipped with the splint hole of stepping down that matches with spacing splint on the lower mould, still be fixed with the locating plate on the lower mould, the locating plate is located the one side that spacing splint were kept away from to the punching press head. The utility model discloses can press from both sides the processing object tightly and compress tightly in proper order, avoid the processing object to take place the skew or stick up, the punching press action is stable, and the punching press is accomplished the back, and taking out of processing object can not be obstructed because of spacing compact structure.

Description

Stable form punching press becomes hole mould

Technical Field

The utility model relates to a stamping die specifically discloses a stable form punching press forming die.

Background

The stamping die is essential technological equipment for stamping production, and particularly relates to a pressure processing method for obtaining a required part by applying pressure to a material by utilizing a die arranged on a stamping machine to separate or plastically deform the material. The punching hole die refers to a die for punching a hole structure.

In the prior art, when a stamping die is used for stamping, a processing object is placed between an upper die and a lower die, and a stamping machine drives the upper die and the lower die to move in opposite directions, so that a male die and a female die are driven to move in opposite directions, and finally the processing object is stamped.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a stable type press-forming die capable of effectively restricting the position of a work object in a press process and having high press accuracy, in order to solve the problems in the prior art.

In order to solve the prior art problem, the utility model discloses a stable punching forming die, which comprises an upper template, an upper die, a lower die and a lower template which are arranged from top to bottom in sequence, wherein a guide mechanism is connected between the upper template and the lower template, a punching head with the length of Q is arranged at the bottom of the upper die, and a punching abdicating hole matched with the punching head is arranged on the lower die;

a first spring and a limiting clamp plate with the height of H are further mounted below the upper die, a pressing plate with the thickness of D is connected to the bottom of the first spring, the stretching length of the first spring after the pressing plate is connected is P, P is greater than Q, and P + D is less than H;

still be equipped with the splint hole of stepping down that matches with spacing splint on the lower mould, still be fixed with the locating plate on the lower mould, the locating plate is located the one side that spacing splint were kept away from to the punching press head, and the pressure strip is located between spacing splint and the locating plate.

Furthermore, the bottom of the limiting clamping plate is provided with a guide inclined plane, and the guide inclined plane is arranged towards the positioning plate.

Furthermore, a limiting sleeve with the length of L is sleeved outside the first spring, the limiting sleeve is fixed at the bottom of the upper die, and L is less than Q.

Furthermore, the bottom of the pressure strip is provided with a buffer glue layer.

Furthermore, the punching abdicating hole is in a round table shape, and the diameter of the top of the punching abdicating hole is smaller than that of the bottom.

Further, the bottom of lower mould is equipped with the cavity, and the hole of stepping down is managed in the punching press of cavity intercommunication, is equipped with detachable waste material box in the cavity.

Furthermore, the guide mechanism comprises a guide pillar, a guide sleeve and a second spring, and the second spring is sleeved outside the guide pillar.

The utility model has the advantages that: the utility model discloses a stable form punching press forming die is provided with special spacing compact structure, before the first contact processing object of punching press, can press from both sides the processing object tightly in proper order and compress tightly, avoids the processing object to take place the skew or stick up, and the punching press action is stable, and the machining precision is high, and the punching press accomplishes the back, and the taking out of processing object can not be obstructed because of spacing compact structure, convenient operation.

Drawings

Fig. 1 is a schematic structural view of the utility model during mold opening separation.

Fig. 2 is the structure schematic diagram of the utility model when the die is pressed after the processing object is put in.

The reference signs are: the stamping die comprises an upper die plate 10, an upper die 11, a stamping head 12, a first spring 13, a pressing plate 14, a buffer glue layer 141, a limiting clamping plate 15, a guide inclined plane 151, a limiting sleeve 16, a lower die plate 20, a lower die 21, a stamping abdicating hole 22, a clamping plate abdicating hole 23, a positioning plate 24, a cavity 25, a waste material box 26, a guide mechanism 30, a guide pillar 31, a guide sleeve 32 and a second spring 33.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 and 2.

The embodiment of the utility model discloses a stable form punching hole mould, include from last cope match-plate pattern 10, upper die 11, lower mould 21 and the lower bolster 20 that sets gradually down, be connected with guiding mechanism 30 between cope match-plate pattern 10 and the lower bolster 20, the punching press head 12 of length Q is installed to the bottom of upper die 11, is equipped with the punching press hole of stepping down 22 that matches with punching press head 12 on the lower mould 21, namely punching press head 12 can be impressed in punching press hole of stepping down 22 during punching press;

still install first spring 13 and highly be the spacing splint 15 of H under last mould 11, the bottom of first spring 13 is connected with the pressure strip 14 that thickness is D, preferably, first spring 13 and pressure strip 14 all are equipped with two, and two pressure strips 14 are located the both sides of punching press head 12 respectively, and the extension length of first spring 13 is P after connecting pressure strip 14, and P > Q, P + D < H, and the contact order of processing object is during the punching press: a limiting clamping plate 15, a pressing plate 14 and a stamping head 12;

still be equipped with the splint hole of stepping down 23 that matches with spacing splint 15 on the lower mould 21, during the splint hole of stepping down 23 can be impressed to spacing splint 15 during punching press promptly, still be fixed with locating plate 24 on the lower mould 21, locating plate 24 is located the one side that spacing splint 15 was kept away from to punching press head 12, and pressure strip 14 is located between spacing splint 15 and the locating plate 24.

During operation, align the processing object locating plate 24 and put into between last mould 11 and the lower mould 21, punch drive goes up mould 11 and lower mould 21 and is close to, spacing splint 15 cooperation locating plate 24 presss from both sides the relative both sides of processing object tightly, prevent that the processing object from taking place the skew in follow-up stamping process, pressure strip 14 cooperation first spring 13 is pressed from both sides the processing object tightly on lower mould 21 afterwards, can avoid follow-up stamping process processing object to take place the perk and beat, last punching press head 12 runs through the processing object and inserts in the punching press hole of stepping down 22, accomplish the processing of punching press pore-forming.

The utility model discloses be provided with special spacing compact structure, before the first contact processing object of punching press, can press from both sides the processing object tightly in proper order and compress tightly, avoid the processing object to take place to squint or stick up, the punching press action is stable, and the machining precision is high, and the punching press is accomplished the back, and taking out of processing object can not be obstructed because of spacing compact structure, convenient operation.

In this embodiment, the bottom of the limiting clamp plate 15 is provided with a guide inclined plane 151, the guide inclined plane 151 is arranged towards the positioning plate 24, the fault tolerance rate of the processing object placed by the operator can be improved through the guide inclined plane 151, the operation difficulty can be effectively reduced, and the processing efficiency is improved.

In this embodiment, the first spring 13 is sleeved with the limiting sleeve 16 having a length of L, the limiting sleeve 16 can effectively prevent the first spring 13 from deviating and twisting, the limiting sleeve 16 is fixed to the bottom of the upper die 11, and L < Q can prevent the limiting sleeve 16 from affecting the compressing action of the first spring 13 and the punching action of the punching head 12.

In this embodiment, the bottom of the pressing plate 14 is provided with a buffer glue layer 141, preferably, the buffer glue layer 141 is a rubber layer, and the pressing plate 14 can be effectively prevented from damaging the processing object through the buffer glue layer 141.

In this embodiment, the punching abdicating hole 22 is in a circular truncated cone shape, and the diameter of the top of the punching abdicating hole 22 is smaller than that of the bottom, so that the punching abdicating hole can effectively and conveniently fall down once the waste is formed.

In this embodiment, the bottom of lower mould 21 is equipped with cavity 25, and cavity 25 intercommunication punching press hole 22 of stepping down is equipped with detachable waste material box 26 in the cavity 25, receives the waste material that the punching press formed through waste material box 26, the convenient clearance.

In this embodiment, the guiding mechanism 30 includes a guide post 31, a guide sleeve 32 and a second spring 33, the second spring 33 is sleeved outside the guide post 31, the guide sleeve 32 is fixed to the lower template 20 when the guide post 31 is fixed to the upper template 10, and the guide sleeve 32 is fixed to the upper template 10 when the guide post 31 is fixed to the lower template 20.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides a stable form punching hole mould, includes from last cope match-plate pattern (10), last mould (11), lower mould (21) and the lower bolster (20) that sets gradually down, cope match-plate pattern (10) with be connected with guiding mechanism (30) between lower bolster (20), its characterized in that, the punching press head (12) that length is Q are installed to the bottom of going up mould (11), be equipped with on lower mould (21) with punching press hole (22) of stepping down that punching press head (12) match;

a first spring (13) and a limiting clamping plate (15) with the height of H are further mounted below the upper die (11), a pressing plate (14) with the thickness of D is connected to the bottom of the first spring (13), the stretching length of the first spring (13) after the pressing plate (14) is connected is P, P is greater than Q, and P + D is less than H;

still be equipped with on lower mould (21) with splint hole of stepping down (23) that spacing splint (15) match, still be fixed with locating plate (24) on lower mould (21), locating plate (24) are located punching press head (12) are kept away from one side of spacing splint (15), pressure strip (14) are located spacing splint (15) with between locating plate (24).

2. The stable punch-forming die of claim 1, wherein the bottom of the retainer plate (15) is provided with a guide slope (151), and the guide slope (151) is disposed toward the retainer plate (24).

3. A stable punch-forming die according to claim 1, wherein said first spring (13) is sleeved with a stop collar (16) having a length L, said stop collar (16) being fixed to the bottom of said upper die (11), L < Q.

4. A stabilized piercing die according to claim 1, characterised in that the bottom of the pressure plate (14) is provided with a layer of cushion gum (141).

5. The stable punch forming die of claim 1 wherein the punch relief hole (22) is frustoconical, the punch relief hole (22) having a top diameter less than a bottom diameter.

6. The stable punching and hole forming die is characterized in that a cavity (25) is formed in the bottom of the lower die (21), the cavity (25) is communicated with the punching and abdicating hole (22), and a detachable waste box (26) is arranged in the cavity (25).

7. A stable punch-forming die according to claim 1, wherein the guiding mechanism (30) comprises a guide post (31), a guide sleeve (32) and a second spring (33), the second spring (33) is sleeved outside the guide post (31).

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