CN216965905U

CN216965905U - double-V-groove lower die of flexible bending machine

Info

Publication number: CN216965905U
Application number: CN202220807808.0U
Authority: CN
Inventors: 芮必松; 叶子艳
Original assignee: Maanshan Botong Numerical Control Mould Co ltd
Current assignee: Maanshan Botong Numerical Control Mould Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-15
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a double-V-groove lower die of a flexible bending machine, which belongs to the field of bending machines and comprises a bottom die, a foundation block, a buffer assembly and a cushion layer, wherein V-grooves which are symmetrically distributed are formed in the upper surface of the bottom die, the bottom edge of the bottom die is in contact connection with the foundation block, the bottom surface of the bottom die is in contact with the cushion layer, the bottom surface of the cushion layer is connected with the foundation block, the buffer assembly is arranged at two ends of the cushion layer and comprises a passive wedge block and a deformation bin, wherein under the action of external force, the passive wedge block impacts the deformation bin, as the thickness of a pressure-bearing plate of the deformation bin is smaller, the pressure-bearing plate can deform or even bend and deform, the buffer effect is realized in the deformation process of the pressure-bearing plate, the double-V-groove lower die not only efficiently provides the bottom die under normal working conditions, but also provides buffer for internal components under special conditions, so that the damage to an upper die and a pressure device is reduced, meanwhile, the deformable internal components are easy to disassemble and assemble, and the practicability is good.

Description

double-V-groove lower die of flexible bending machine

Technical Field

The utility model relates to the technical field of bending machines, in particular to a double-V-groove lower die of a flexible bending machine.

Background

The bending machine is a machine capable of bending a thin plate, is important equipment for bending and forming a workpiece in the sheet metal industry and is used for pressing a steel plate into parts in various shapes according to process requirements.

The bending machine is used for impacting an upper die to place a lower die of a workpiece through pressure equipment during working, but under some special working conditions, such as overlarge pressure or higher thickness of a bent piece, the upper die is in hard contact with the lower die through the workpiece, so that the upper die or the pressure equipment is easy to damage, and the upper die or the pressure equipment is high in cost and time and labor consuming in single damage maintenance and replacement.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the problem that the upper die or pressure equipment is easily damaged due to hard contact between the upper die and the lower die when special working conditions occur in the prior art, and provides a double-V-groove lower die of a flexible bending machine, which is used for solving the defects and is convenient to use.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

a double-V-groove lower die of a flexible bending machine comprises a bottom die, a foundation block, a buffer assembly and a cushion layer, wherein V-grooves which are symmetrically distributed are formed in the upper surface of the bottom die, the bottom edge of the bottom die is in contact connection with the foundation block, the bottom surface of the bottom die is in contact with the cushion layer, the bottom surface of the cushion layer is connected with the foundation block, the buffer assembly is mounted at each of two ends of the cushion layer, and the buffer assembly is located in an inner cavity of the foundation block;

the buffer assembly comprises a passive wedge block and a deformation bin, one end of the passive wedge block is fixed with the end wall of the cushion layer, the other end of the passive wedge block is in contact with the deformation bin, and the side wall of the deformation bin is connected with the base block.

Furthermore, the edge of basis piece has seted up the screw thread pilot hole, and the basis piece is connected with the counter bore screw through this screw thread pilot hole.

Furthermore, a rectangular assembly groove is formed in the center of the foundation block, and the foundation block is connected with the bottom die and the cushion layer through the rectangular assembly groove.

Further, the storehouse of deformation includes guide block, foundatin plate and receives the board, and the guide block is fixed on the outer wall of foundatin plate, and foundatin plate and guide block all contact with basic piece, and the board that receives is connected to the bottom of foundatin plate, receives the thickness value of board and is less than the thickness value of foundatin plate, and the foundatin plate all contacts with passive wedge with receiving the board.

Furthermore, the upper surface of the passive wedge block is contacted with the foundation plate, and the lower book inclined surface of the passive wedge block is contacted with the compression plate.

Further, still set up horizontal screw thread through-hole on the basis piece, the basis piece is connected with horizontal lead screw through this screw thread through-hole, the one end installation knob of lead screw, the other end and the contact in deformation storehouse of lead screw.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: this two V groove bed dies of flexible bender, when pressure is too big or the higher thickness of a bending intensity is thicker, the bed course can extend and force the buffering subassembly to take place to deform and provide the buffering to both sides, wherein under the effect of foreign force, passive wedge strikes deformation storehouse, because the pressure receiving plate thickness in deformation storehouse is less, receive the board like this and can take place deformation or even bending deformation, the effect of buffering has been played at the in-process that receives the board to take place deformation certainly, two V groove bed dies not only the efficient provides the die block under normal operating mode, under the special circumstances, the inner member takes place to deform and provides the buffering, the damage appears in mould and pressure equipment in the reduction, the inner member dismouting that can take place deformation simultaneously is simple, the practicality is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A of the present invention;

FIG. 3 is a schematic view of the lead screw mounting location of the present invention;

FIG. 4 is a schematic view of a buffer assembly according to the present invention;

fig. 5 is a schematic structural diagram of a deformed bin after deformation according to the present invention.

In the figure: 1. bottom die; 2. a base block; 3. a buffer assembly; 31. a passive wedge; 32. a deformation bin; 321. a guide block; 322. a foundation plate; 323. a pressure receiving plate; 4. a cushion layer; 5. and a lead screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

A double-V-groove lower die of a flexible bending machine comprises a bottom die 1, a foundation block 2, a buffer assembly 3 and a cushion layer 4, wherein V-shaped grooves which are symmetrically distributed are formed in the upper surface of the bottom die 1, the bottom edge of the bottom die 1 is in contact connection with the foundation block 2, the bottom surface of the bottom die 1 is in contact with the cushion layer 4, the bottom surface of the cushion layer 4 is connected with the foundation block 2, the buffer assembly 3 is mounted at two ends of the cushion layer 4, the buffer assembly 3 is located in an inner cavity of the foundation block 2, the double V-shaped grooves formed in the bottom die 1 can face special bending conditions, in the pressing process of an upper die, the upper die extrudes the bottom die 1, the bottom die 1 presses the cushion layer 4, the cushion layer 4 cannot deform under normal working conditions, but when the pressure is too high or a bending piece is high in strength and thick, the cushion layer 4 can deform, and the cushion layer 4 cannot deform downwards, so that the cushion layer 4 can only extend towards two sides, the cushion layer 4 extending towards the two sides or the cushion component 3 is continuously forced to deform to provide the cushion.

The buffering component 3 comprises a passive wedge block 31 and a deformation bin 32, one end of the passive wedge block 31 is fixed with the end wall of the cushion layer 4, the other end of the passive wedge block 31 is in contact with the deformation bin 32, the side wall of the deformation bin 32 is connected with the base block 2, the passive wedge block 31 impacts the deformation bin 32 under the action of external force, and the deformation bin 32 deforms under the condition of overlarge external force.

The present invention will be further described with reference to the following examples.

Referring to the attached drawings 1-5, a double-V-groove lower die of a flexible bending machine comprises a bottom die 1, a foundation block 2, a buffer assembly 3 and a cushion layer 4, wherein V-shaped grooves which are symmetrically distributed are formed in the upper surface of the bottom die 1, the bottom edge of the bottom die 1 is in contact connection with the foundation block 2, a threaded assembly hole is formed in the edge of the foundation block 2, the foundation block 2 is connected with a counter bore screw through the threaded assembly hole, the foundation block 2 can be fixed on other components through the counter bore screw, the bottom surface of the bottom die 1 is in contact with the cushion layer 4, the bottom surface of the cushion layer 4 is connected with the foundation block 2, a rectangular assembly groove is formed in the center of the foundation block 2, the foundation block 2 is connected with the bottom die 1 and the cushion layer 4 through the rectangular assembly groove, thus the vertical positions of the bottom die 1 and the cushion layer 4 are limited, the buffer assemblies 3 are mounted at the two ends of the cushion layer 4, the buffer assemblies 3 are located in the inner cavity of the foundation block 2, wherein set up the two V grooves that have on the die block 1 and can face the special condition of bending, wherein at the pushing down in-process of last mould, go up mould extrusion die block 1, die block 1 oppression bed course 4, under normal operating mode, deformation can not take place for bed course 4, but when too big or the higher thickness of the piece intensity of bending of pressure was thick, deformation can take place for bed course 4, because bed course 4 can not be out of shape downwards, so bed course 4 can only extend to both sides, bed course 4 or continue to force buffering subassembly 3 to take place to deform and provide the buffering to both sides extension. Buffer unit 3 includes passive wedge 31 and deformation storehouse 32, wherein under the effect of external force, passive wedge 31 strikes deformation storehouse 32, under the too big condition of external force, deformation storehouse 32 takes place to be deformed, wherein horizontal screw thread through-hole has still been seted up on basic block 2, basic block 2 is connected with horizontal lead screw 5 through this screw thread through-hole, lead screw 5's one end installation knob, lead screw 5's the other end and deformation storehouse 32 contact, wherein twist lead screw 5 and just can force deformation storehouse 32 to take place lateral displacement, it satisfies different operating modes to fit for it.

The deformation bin 32 comprises a guide block 321, a base plate 322 and a pressed plate 323, the guide block 321 is fixed on the outer wall of the base plate 322, the base plate 322 and the guide block 321 are both in contact with the base block 2, the bottom end of the base plate 322 is connected with the pressed plate 323, the thickness value of the pressed plate 323 is smaller than that of the base plate 322, the base plate 322 and the pressed plate 323 are both in contact with the passive wedge 31, the upper surface of the passive wedge 31 is in contact with the base plate 322, the lower inclined surface of the passive wedge 31 is in contact with the pressed plate 323, the passive wedge 31 impacts the deformation bin 32 under the action of external force, and the pressed plate 323 of the deformation bin 32 is smaller in thickness, so that the pressed plate 323 can deform or even bend and deform, and certainly plays a role in buffering in the deformation process of the pressed plate 323.

In summary, the following steps: this two V groove bed dies of flexible bender, when pressure is too big or the higher thickness of a bending intensity is thicker, bed course 4 can extend and force buffering subassembly 3 to take place to deform and provide the buffering to both sides, wherein under the effect of external force, passive wedge 31 strikes deformation storehouse 32, because the pressure plate 323 thickness that receives of deformation storehouse 32 is less, receive the plate 323 like this and can take place deformation or even bending deformation, certainly the effect of buffering has been played at the in-process that receives the plate 323 and take place deformation, two V groove bed dies not only the efficient provides die block 1 under normal operating mode, under special circumstances, the inner member takes place to deform and provides the buffering, the damage appears with pressure equipment in the reduction, the inner member dismouting that can take place deformation simultaneously is simple, the practicality is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two V groove bed dies of flexible bender, includes die block (1), basis piece (2), cushion assembly (3) and bed course (4), its characterized in that: the upper surface of the bottom die (1) is provided with symmetrically distributed V-shaped grooves, the bottom edge of the bottom die (1) is in contact connection with the foundation block (2), the bottom surface of the bottom die (1) is in contact with the cushion layer (4), the bottom surface of the cushion layer (4) is connected with the foundation block (2), the two ends of the cushion layer (4) are provided with buffer assemblies (3), and the buffer assemblies (3) are located in the inner cavity of the foundation block (2);

the buffer assembly (3) comprises a passive wedge block (31) and a deformation bin (32), one end of the passive wedge block (31) is fixed with the end wall of the cushion layer (4), the other end of the passive wedge block (31) is in contact with the deformation bin (32), and the side wall of the deformation bin (32) is connected with the base block (2).

2. The double V-groove lower die for flexible bending machines according to claim 1, characterized in that: the edge of basis piece (2) has seted up the screw thread pilot hole, and basis piece (2) are connected with the counter bore screw through this screw thread pilot hole.

3. The double V-groove lower die for flexible bending machines according to claim 1, characterized in that: the center department of basis piece (2) has seted up the rectangle assembly groove, and die block (1) and bed course (4) are connected through this rectangle assembly groove to basis piece (2).

4. The double V-groove lower die for flexible bending machines according to claim 1, characterized in that: deformation storehouse (32) are including guide block (321), foundatin plate (322) and receive pressure board (323), guide block (321) are fixed on the outer wall of foundatin plate (322), foundatin plate (322) and guide block (321) all contact with basic piece (2), receive pressure board (323) is connected to the bottom of foundatin plate (322), receive the thickness value of pressure board (323) and be less than the thickness value of foundatin plate (322), foundatin plate (322) and receive pressure board (323) all with contact of passive wedge piece (31).

5. The double V-groove lower die for flexible bending machines according to claim 4, characterized in that: the upper surface of the passive wedge block (31) is contacted with the base plate (322), and the lower book inclined surface of the passive wedge block (31) is contacted with the pressed plate (323).

6. The double V-groove lower die for flexible bending machines according to claim 1, characterized in that: still set up horizontal screw thread through-hole on basic piece (2), basic piece (2) are connected with horizontal lead screw (5) through this screw thread through-hole, the one end installation knob of lead screw (5), the other end and the contact in deformation storehouse (32) of lead screw (5).