CN212469468U

CN212469468U - Bending forming mechanism for stamping die

Info

Publication number: CN212469468U
Application number: CN202021019787.3U
Authority: CN
Inventors: 邬静; 钟杏玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-02-05
Anticipated expiration: 2030-06-06

Abstract

The utility model belongs to the field of cold punching dies, in particular to a bending forming mechanism for a punching die, which comprises a bearing mechanism and an action mechanism, wherein the bearing mechanism comprises an upper die and a lower die block positioned below the upper die, the action mechanism comprises a punch component, a nitrogen spring and a pressing plate, the punch component and the nitrogen spring are both connected with the upper die, and the upper die is provided with a mounting groove; at the clamp plate in-process that upwards rotates, a plurality of complementary unit will play the effect of taking off the material to the material, specifically do, under the effect of spring, the push pedal promotes the push rod and moves down, the push rod is used in the elastic plate, the elastic plate takes place deformation, produce a decurrent convex closure, thereby separate material and clamp plate, and the area of contact of convex closure and material is little, the effect of liquid actuation can not take place, and simultaneously, because the elastic plate has good elasticity, when contacting with the material, can not cause the slide mark to the material surface, protect the surface of material.

Description

Bending forming mechanism for stamping die

Technical Field

The utility model relates to a cold punching die field specifically is a forming mechanism of bending for stamping die.

Background

Chinese patent discloses a bending and stamping die. (grant No. CN204182781U), the stroke of cope match-plate pattern mechanism can be shortened to this patent technology, thereby reduce the operation degree of difficulty of cope match-plate pattern mechanism, improve stamping die's whole work efficiency, however, at the in-process of bending, need at material surface spraying drawing oil, when guaranteeing that the material is out of shape, can not produce the crackle, and the clamp plate contacts the back with material surface fluid, under the effect of liquid actuation power again, at clamp plate pivoted in-process that makes progress, the material after bending can move up along with the clamp plate is synchronous, lead to the angle of bending to change. Accordingly, one skilled in the art provides a bending and forming mechanism for a stamping die to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forming mechanism of bending for stamping die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bending forming mechanism for a stamping die comprises a bearing mechanism and an action mechanism, wherein the bearing mechanism comprises an upper die and a lower module positioned below the upper die, the action mechanism comprises a punch component, a nitrogen spring and a pressing plate, the punch component and the nitrogen spring are connected with the upper die, a mounting groove is formed in the upper die, the pressing plate is positioned in the mounting groove and is rotatably connected with the upper die through a rotating shaft, the bottom end of the nitrogen spring is in top surface contact with one end of the pressing plate close to the rotating shaft, the bottom end of the punch component is in top surface contact with the other end of the pressing plate, a plurality of threaded holes are formed in the pressing plate, mounting holes are formed in the bottom ends of the threaded holes, an auxiliary mechanism is installed in the mounting holes and comprises a stop screw, a spring and a push plate, the spring and the push plate slide in the threaded holes, the stop screw is in threaded connection with the threaded hole for limiting, the bottom surface of the pressing plate is fixedly connected with a plurality of elastic plates corresponding to the mounting holes, the bottom surface of the pushing plate is fixedly connected with a pushing rod, and the other end of the pushing rod penetrates through the mounting holes and is in contact with the elastic plates.

As a further aspect of the present invention: the punch component comprises a punching column, a connecting column and a limiting plate, the connecting column and the limiting plate are detachably connected, a limiting rod and a T-shaped rotating shaft are inserted in the limiting plate in a limiting mode, the bottom end of the limiting rod is inserted in the punching column in a sliding mode, a bolt is fixedly connected to the bottom end of the T-shaped rotating shaft, and the bolt is in threaded connection with the punching column.

As a further aspect of the present invention: the number of the limiting rods is two, and the limiting rods are symmetrically distributed on two sides of the bolt.

As a further aspect of the present invention: and the punching column is provided with a jack corresponding to the limiting rod.

As a further aspect of the present invention: one end of the push rod, which is contacted with the elastic plate, is arc-shaped.

As a further aspect of the present invention: the elastic plate is made of rubber and has a thickness of 2 mm.

As a further aspect of the present invention: the spring is a compression spring.

Compared with the prior art, the beneficial effects of the utility model are that:

at the clamp plate in-process that upwards rotates, a plurality of complementary unit will play the effect of taking off the material to the material, specifically do, under the effect of spring, the push pedal promotes the push rod and moves down, the push rod is used in the elastic plate, the elastic plate takes place deformation, produce a decurrent convex closure, thereby separate material and clamp plate, and the area of contact of convex closure and material is little, the effect of liquid actuation can not take place, and simultaneously, because the elastic plate has good elasticity, when contacting with the material, can not cause the slide mark to the material surface, protect the surface of material.

Drawings

FIG. 1 is a schematic structural view of a bending and forming mechanism for a stamping die;

FIG. 2 is a schematic diagram of a platen structure used in a bending mechanism of a stamping die;

FIG. 3 is a cross-sectional view of a platen used in a bend forming mechanism for a stamping die;

FIG. 4 is an enlarged view of the point A in FIG. 3;

fig. 5 is a schematic structural view of a punch member used in a bending forming mechanism of a stamping die.

In the figure: 1. a carrying mechanism; 101. mounting grooves; 11. an upper die; 12. a lower module; 2. an actuating mechanism; 21. a punch member; 211. punching the column; 212. connecting columns; 213. a limiting plate; 214. a limiting rod; 215. a bolt; 216. a T-shaped rotating shaft; 22. a nitrogen spring; 23. pressing a plate; 231. a threaded hole; 232. mounting holes; 24. a rotating shaft; 3. an auxiliary mechanism; 31. a set screw; 32. a spring; 33. pushing the plate; 34. a push rod; 35. an elastic plate.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a bending forming mechanism for a stamping die includes a bearing mechanism 1 and an actuating mechanism 2, the bearing mechanism 1 includes an upper die 11 and a lower die block 12 located below the upper die 11, the actuating mechanism 2 includes a punch component 21, a nitrogen spring 22 and a pressing plate 23, the punch component 21 and the nitrogen spring 22 are both connected to the upper die 11, the upper die 11 is provided with an installation groove 101, the pressing plate 23 is located in the installation groove 101 and rotatably connected to the upper die 11 through a rotating shaft 24, a bottom end of the nitrogen spring 22 contacts with a top surface of the pressing plate 23 near the rotating shaft 24, a bottom end of the punch component 21 contacts with a top surface of the other end of the pressing plate 23, the pressing plate 23 is provided with a plurality of threaded holes 231, the bottom ends of the threaded holes 231 are both provided with installation holes 232, an auxiliary mechanism 3 is installed in, The spring 32 and the push plate 33, the spring 32 and the push plate 33 all slide in the threaded hole 231 and are limited by the screw connection of the stop screw 31 and the threaded hole 231, the bottom surface of the press plate 23 is fixedly connected with a plurality of elastic plates 35 corresponding to the mounting holes 232, the bottom surface of the push plate 33 is fixedly connected with the push rod 34, and the other end of the push rod 34 penetrates through the mounting holes 232 and contacts with the elastic plates 35.

In this embodiment: the upper die 11 comprises a stripper plate and an upper die plate, wherein a nitrogen spring 22 and a pressure plate 23 are connected with the stripper plate, a punch head member 21 is connected with the upper die plate, when the material is punched and bent, the stripper plate firstly compresses the material, the upper die plate moves the punch head member 21 to move downwards continuously and pushes the pressure plate 23 to rotate along a rotating shaft 24 to be matched with a lower die block 12 to bend the material, after the bending is finished, the upper die plate moves the punch head member 21 to move upwards, the pressure plate 23 rotates upwards under the action of the nitrogen spring 22 to be separated from the material and rotates into a mounting groove 101, a plurality of auxiliary mechanisms 3 play a role in stripping the material in the process of upward rotation of the pressure plate 23, specifically, under the action of a spring 32, a push plate 33 pushes a push rod 34 to move downwards, the push rod 34 acts on an elastic plate 35, the elastic plate 35 deforms to generate a downward convex packet, so that the material is separated from the pressure plate 23, the contact area of the convex hull and the material is small, so that the liquid suction effect cannot occur, and meanwhile, the elastic plate 35 has good elasticity, so that the surface of the material cannot be scratched when the elastic plate is in contact with the material, and the surface of the material is protected.

In fig. 1: the stamping and bending device comprises a bearing mechanism 1 and an action mechanism 2, wherein the bearing mechanism 1 comprises an upper die 11 and a lower die block 12 positioned below the upper die 11, the action mechanism 2 comprises a punch component 21, a nitrogen spring 22 and a pressing plate 23, the punch component 21 and the nitrogen spring 22 are both connected with the upper die 11, the upper die 11 is provided with a mounting groove 101, the pressing plate 23 is positioned in the mounting groove 101 and is rotatably connected with the upper die 11 through a rotating shaft 24, the bottom end of the nitrogen spring 22 is contacted with the top surface of one end, close to the rotating shaft 24, of the pressing plate 23, the bottom end of the punch component 21 is contacted with the top surface of the other end of the pressing plate 23, the upper die 11 comprises a stripper plate and an upper die plate, the nitrogen spring 22 and the pressing plate 23 are both connected with the stripper plate, the punch component 21 is connected with the upper die plate, when the stamping and bending are formed, the stripper plate compresses, after bending is finished, the upper die plate drives the punch component 21 to move upwards, and the pressing plate 23 rotates upwards under the action of the nitrogen spring 22, is separated from contact with materials and rotates into the installation groove 101.

In fig. 2, 3 and 4: the pressing plate 23 is provided with a plurality of threaded holes 231, the bottom ends of the threaded holes 231 are provided with mounting holes 232, the mounting holes 232 are internally provided with auxiliary mechanisms 3, each auxiliary mechanism 3 comprises a stop screw 31, a spring 32 and a push plate 33, the springs 32 and the push plates 33 slide in the threaded holes 231 and are in threaded connection with the threaded holes 231 through the stop screws 31 for limiting, the bottom surface of the pressing plate 23 is fixedly connected with a plurality of elastic plates 35 corresponding to the mounting holes 232, the bottom surface of the push plate 33 is fixedly connected with a push rod 34, the other end of the push rod 34 penetrates through the mounting holes 232 and is in contact with the elastic plates 35, during the upward rotation of the pressing plate 23, the auxiliary mechanisms 3 play a role of stripping materials, specifically, under the action of the springs 32, the push plates 33 push the push rods 34 to move downwards, the push rods 34 act on the elastic plates 35, the elastic plates 35 deform to generate a downward convex packet, thereby separate material and clamp plate 23, and the convex closure is little with the area of contact of material, the effect of liquid actuation can not take place, simultaneously, because elastic plate 35 has good elasticity, when contacting with the material, can not cause the slide mark to the material surface, the surface of protection material, the material of elastic plate 35 is rubber, and thickness is 2mm, the elastic plate 35 of rubber material is when having good elasticity, and life is higher, spring 32 is compression spring, can provide decurrent thrust to push pedal 33, the one end that push rod 34 and elastic plate 35 contacted is arc, prevent to puncture elastic plate 35.

In fig. 5: the punch component 21 comprises a punch column 211, a connecting column 212 and a limiting plate 213, the connecting column 212 and the limiting plate 213 are detachably connected, a limiting rod 214 and a T-shaped rotating shaft 216 are inserted on the limiting plate 213 in a limiting mode, the bottom end of the limiting rod 214 is inserted on the punch column 211 in a sliding mode, bolts 215 are fixedly connected to the bottom end of the T-shaped rotating shaft 216, the bolts 215 are in threaded connection with the punch column 211, when the punch component is used, the bolts 215 can be rotated through the limiting mode, the specific height of the punch column 211 is adjusted under the limiting mode of the limiting rod 214 and the T-shaped rotating shaft 216, the time for debugging the die by personnel is conveniently shortened, the number of the limiting rods 214 is two, the limiting rods are symmetrically distributed on two sides of the bolts 215, the strength for bearing lateral force by the punch column 211 is increased, the verticality of the punch column 211 is guaranteed, a jack corresponding to the limiting rod.

The utility model discloses a theory of operation is: the upper die 11 comprises a stripper plate and an upper die plate, wherein a nitrogen spring 22 and a pressure plate 23 are connected with the stripper plate, a punch head member 21 is connected with the upper die plate, when the material is punched and bent, the stripper plate firstly compresses the material, the upper die plate moves the punch head member 21 to move downwards continuously and pushes the pressure plate 23 to rotate along a rotating shaft 24 to be matched with a lower die block 12 to bend the material, after the bending is finished, the upper die plate moves the punch head member 21 to move upwards, the pressure plate 23 rotates upwards under the action of the nitrogen spring 22 to be separated from the material and rotates into a mounting groove 101, a plurality of auxiliary mechanisms 3 play a role in stripping the material in the process of upward rotation of the pressure plate 23, specifically, under the action of a spring 32, a push plate 33 pushes a push rod 34 to move downwards, the push rod 34 acts on an elastic plate 35, the elastic plate 35 deforms to generate a downward convex packet, so that the material is separated from the pressure plate 23, the contact area of the convex hull and the material is small, so that the liquid suction effect cannot occur, and meanwhile, the elastic plate 35 has good elasticity, so that the surface of the material cannot be scratched when the elastic plate is in contact with the material, and the surface of the material is protected.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a forming mechanism bends for stamping die, is including bearing mechanism (1) and actuating mechanism (2), bearing mechanism (1) is including last mould (11) and lower module (12) that is located its below, actuating mechanism (2) are including drift component (21), nitrogen gas spring (22) and clamp plate (23), drift component (21) with nitrogen gas spring (22) all with go up mould (11) and be connected, upward set up mounting groove (101) on mould (11), clamp plate (23) are located in mounting groove (101) to through pivot (24) with go up mould (11) and rotate and be connected, the bottom of nitrogen gas spring (22) with clamp plate (23) are close to the one end top surface contact of pivot (24), the bottom of drift component (21) with the other end top surface contact of clamp plate (23), its characterized in that, seted up a plurality of screw hole (231), a plurality of on clamp plate (23) mounting hole (232) have all been seted up to the bottom of screw hole (231), install complementary unit (3) in mounting hole (232), complementary unit (3) are including ending screw (31), spring (32) and push pedal (33), spring (32) with push pedal (33) all slide in screw hole (231), and pass through end screw (31) with screw hole (231) spiro union is spacing, the bottom surface fixedly connected with of clamp plate (23) a plurality of with elastic plate (35) that mounting hole (232) correspond, the bottom surface fixedly connected with push rod (34) of push pedal (33), the other end of push rod (34) runs through mounting hole (232), and with elastic plate (35) contact.

2. The bending forming mechanism for the stamping die according to claim 1, wherein the punch component (21) comprises a punch column (211), a connecting column (212) and a limiting plate (213), the connecting column (212) and the limiting plate (213) are detachably connected, a limiting rod (214) and a T-shaped rotating shaft (216) are inserted in the limiting plate (213) in a limiting mode, the bottom end of the limiting rod (214) is inserted in the punch column (211) in a sliding mode, a bolt (215) is fixedly connected to the bottom end of the T-shaped rotating shaft (216), and the bolt (215) is in threaded connection with the punch column (211).

3. The bending forming mechanism for the stamping die according to claim 2, wherein the number of the limiting rods (214) is two, and the two limiting rods are symmetrically distributed on two sides of the bolt (215).

4. The bending forming mechanism for the stamping die according to claim 2, wherein the stamping column (211) is provided with an insertion hole corresponding to the limiting rod (214).

5. The bending forming mechanism for the stamping die as claimed in claim 1, wherein one end of the push rod (34) contacting the elastic plate (35) is in a circular arc shape.

6. The bending forming mechanism for stamping die according to claim 1, wherein the elastic plate (35) is made of rubber and has a thickness of 2 mm.

7. Bend forming mechanism for stamping dies according to claim 1, characterized in that the spring (32) is a compression spring.