CN207839785U - A kind of annular narrow side diel - Google Patents

Abstract

The utility model provides a kind of annular narrow side diel, including the upper mold portion and lower mold portion being correspondingly arranged；Upper mold portion includes upper fixed mechanism, upper movable device and punching mechanism；Lower mold portion includes lower fixed mechanism and flattening mechanism；Upper fixed mechanism includes upper die holder, is fixed on the upper padding plate of upper die holder lower face and is fixed on the upper solid plate of upper padding plate lower face；Punching mechanism includes the blanking leveling punch being fixed in solid plate；Upper movable device includes the discharging mold insert, the stripper being fixedly connected with discharging mold insert outside, the discharging backboard being fixedly connected with stripper upper end that lower portion of ram slide fit is flattened with blanking；Upper solid plate lower end has been connected by screw pressing plate；Discharging backboard upper end opens up fluted；Lower fixed mechanism includes lower die holder, is fixed on lower die holder upper surface lower bolster, the lower fixed slab for being fixed on lower bolster upper end, the concave template for being fixed on upper end in lower fixed slab；The utility model is simple in structure, and flatness meets product requirement, efficient, and mold spare part is hardly damaged.

Description

A kind of annular narrow side diel

Technical field

The utility model is related to electronic product parts manufacturing equipment fields, and in particular to a kind of annular narrow side stamping die Tool.

Background technology

The high speed development of mobile phone industry has driven the high speed development of phone mould industry, and more with phone mould structure The processing quality of sample and complication, opponent's parts also proposed more and more high requirement.Mobile phone speaker vibrational system, cone Basin, locating branch slice, dust cover and voice coil.Cone basin（And ring）It is the main sound-generating element of loud speaker, before axial movement makes cone basin Air generation density changes and sounding afterwards, determines the playback effective frequency range and distortion size of loud speaker to a certain extent, Sound film is glued together with steel ring, and sound film is made to be freely moved up and down in magnetic gap without moving laterally, ensure voice coil not with Magnetic conductive board is collided, its hardness is to determine one of the factor of loud speaker, can generally select stainless steel.Sound film steel ring frame compared with Narrow, planarity requirements are higher, and for symmetry no more than 0.03, this requirement allows people first it is envisioned that using either simplex sequence compound die It makes, compound die refers to punching machine in one stroke, completes a kind of mould structure of multiple processes such as blanking, punching.With respect to it For his Cold pressing die lamps structure, it has the advantages that following some：1. product concentricity is preferable, surface is straight, dimensional accuracy compared with It is high；2. production efficiency is high, and is not limited by the precision of billot appearance and size, corner material of giving up sometimes also can be used to reproduction.But it is only Be suitble to the larger annular products of frame, if border width in material thick 3 times hereinafter, convex-concave die wall is very thin, easily damage.Product Intermediate three apertures are larger at a distance from shape, and hole and the shape wall of compound die have enough intensity, it is not easy to damage, be suitble to use Compound die produces, and if fruit product is loud speaker steel ring, cannot be produced with compound die.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of annular narrow side diel, and it is simple in structure, it puts down Face degree meets product requirement, efficient, and mold spare part is hardly damaged.

The utility model is in order to solve the above technical problems, used technical solution is as follows：

The utility model includes the upper mold portion and lower mold portion being correspondingly arranged；

The upper mold portion includes upper fixed mechanism, upper movable device and punching mechanism；

The lower mold portion includes lower fixed mechanism and flattening mechanism；

Fixed mechanism includes upper die holder, is fixed on the upper padding plate of the upper die holder lower face and is fixed on described The upper solid plate of upper padding plate lower face；

The punching mechanism includes the blanking leveling punch being fixed in the upper solid plate；

The upper movable device includes flattening the discharging mold insert of lower portion of ram slide fit and the discharging mold insert with the blanking Stripper that outside is fixedly connected, the discharging backboard being fixedly connected with the stripper upper end；Discharging backboard upper end opens up It is useful for accommodating the groove of the pressing plate；

The lower fixed mechanism includes lower die holder, be fixed on the lower bolster of the lower die holder upper surface, be fixed on it is described under The lower fixed slab of backing plate upper end, the concave template for being fixed on upper end in the lower fixed slab.

Further, the flattening mechanism includes the blanking leveling cavity plate being fixed in the concave template and is set to described Blanking flattens the retainer block in cavity plate；The retainer block flattens cavity plate slide fit with the blanking；The retainer block tail end is by small top Lever bracket rises, and disk spring is installed in small mandril tail portion；The disk spring lower end is connected to by plug screw assembly in the lower die holder.

Further, the blanking leveling punch is fixed on described by screw and pressing plate

In upper solid plate.

Further, it is provided with mounting groove on the blanking leveling punch, is provided in the mounting groove

Matching pressing plate；The pressing plate is mounted on upper solid plate lower end by screw, to keep blanking leveling punch solid Due in the upper solid plate.

The utility model has the following technical effect that：

The utility model opens compound die process decomposition, becomes punching by the completion of one step of punching and blanking, blanking leveling, falls Expect that three steps are completed, the drawbacks of composite mould structure is avoided, mould strength increases, and flatness comes out not less than compound die punching Product because there is the guiding role of correcting hole, symmetry also can guarantee within 0.03；Simple in structure, flatness meets production Product requirement, efficient, mold spare part is hardly damaged；Blanking leveling punch is fixed on by screw and pressing plate in the upper solid plate, Keep blanking leveling punch easy to disassemble.

Description of the drawings

Attached drawing 1 is the structural schematic diagram before the utility model molding；

Attached drawing 2 is the structural schematic diagram after the utility model molding；

Attached drawing 3 is the utility model punch process figure.

In attached drawing：1, upper die holder；2, upper padding plate；3, upper solid plate；4, discharging backboard；5, stripper；6, material strip；7, cavity plate Plate；8, lower fixed slab；9, lower bolster；10, lower die holder；11, abjusting spring；12, blanking flattens punch；13, pressing plate；14, screw； 15、 Discharging mold insert；16, blanking flattens cavity plate；17, retainer block；18, mandril；19, plug screw assembly.

Specific implementation mode

The technical solution of the utility model is further elaborated with attached drawing with reference to embodiments.

As shown in Figs. 1-2, the utility model includes the upper mold portion and lower mold portion being correspondingly arranged；

The upper mold portion includes upper fixed mechanism, upper movable device and punching mechanism；

The lower mold portion includes lower fixed mechanism and flattening mechanism；

Fixed mechanism includes upper die holder 1, is fixed on the upper padding plate 2 of 1 lower face of the upper die holder and is fixed on The upper solid plate 3 of 2 lower face of the upper padding plate；

The punching mechanism includes the blanking leveling punch 12 being fixed in the upper solid plate 3；

The upper movable device includes flattening the discharging mold insert 15 of 12 lower part slide fit of punch and the discharging with the blanking The stripper 5 being fixedly connected on the outside of mold insert 15, the discharging backboard 4 being fixedly connected with 5 upper end of the stripper；The discharging backboard 4 upper ends offer the groove for accommodating the pressing plate 13；

The lower fixed mechanism includes lower die holder 10, is fixed on the lower bolster 9 of 10 upper surface of the lower die holder, is fixed on institute It states the lower fixed slab 8 of 9 upper end of lower bolster, be fixed on the concave template 7 of upper end in the lower fixed slab 8.

The flattening mechanism includes the blanking leveling cavity plate 16 being fixed in the concave template 7 and to be set to the blanking whole Retainer block 17 in plano-concave mould 16；The retainer block 17 flattens 16 slide fit of cavity plate with the blanking；17 tail end of the retainer block by Small mandril 18 is held up, and disk spring 11 is installed in 18 tail portion of small mandril；11 lower end of the disk spring is connected by plug screw assembly 19 In in the lower die holder 10.

The blanking leveling punch 12 is fixed on by screw 14 and pressing plate 13 in the upper solid plate 3.

It is provided with mounting groove on the blanking leveling punch 12, is provided in the mounting groove

Matching pressing plate 13；The pressing plate 13 is mounted on 3 lower end of upper solid plate by screw 14, to make blanking flatten Punch 12 is fixed in the upper solid plate 3.

As shown in figure 3, the course of work of the utility model is as follows：

Correcting hole is rushed in the first station, mesoporous is rushed in second station, by expeller material after 3rd station punching and blanking Piece pushes back material strip, and punch, which rushes punch upsetting pressure product when touching concave template bottom to retainer block, to be played the role of flattening product, most Product is released by blanking punching pin afterwards；The detailed process of punching is：Stripper 5 and retainer block 17 compress material strip 6 together after molding, fall Material leveling punch 12 enters cavity plate and cuts off material strip, and blanking leveling punch 12 is continued traveling downwardly, is stamped into after bottom dead center, blanking leveling punching First 12 and retainer block 17 simultaneously act on product is flattened, after die sinking blanking leveling punch 12 retract, since 17 tail portion of retainer block has Rectangular Spring 11, product retract in blanking flattens punch 12 and retainer block 17 always backward, and product is pushed back material strip 6, is entered Next station, then product is got material spilling hole from material strip through blanking leveling punch 12.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (4)

1. a kind of annular narrow side diel, it is characterised in that：It includes the upper mold portion and lower mold portion being correspondingly arranged；

The upper mold portion includes upper fixed mechanism, upper movable device and punching mechanism；

The lower mold portion includes lower fixed mechanism and flattening mechanism；

Fixed mechanism includes upper die holder（1）, be fixed on the upper die holder（1）The upper padding plate of lower face（2）And it is fixed In the upper padding plate（2）The upper solid plate of lower face（3）；

The punching mechanism includes being fixed on the upper solid plate（3）Interior blanking flattens punch（12）；

The upper movable device includes flattening punch with the blanking（12）The discharging mold insert of lower part slide fit（15）And the discharging Mold insert（15）The stripper that outside is fixedly connected（5）And the stripper（5）The discharging backboard that upper end is fixedly connected（4）；It is described Discharging backboard（4）Upper end is offered for accommodating pressing plate（13）Groove；

The lower fixed mechanism includes lower die holder（10）, be fixed on the lower die holder（10）The lower bolster of upper surface（9）, be fixed on The lower bolster（9）The lower fixed slab of upper end（8）, be fixed on the lower fixed slab（8）The concave template of interior upper end（7）.

2. a kind of annular narrow side diel according to claim 1, it is characterised in that：The flattening mechanism includes fixing In the concave template（7）Interior blanking flattens cavity plate（16）Cavity plate is flattened with the blanking is set to（16）Interior retainer block （17）；The retainer block（17）Cavity plate is flattened with the blanking（16）Slide fit；The retainer block（17）Tail end is by small mandril（18） It holds up, small mandril（18）Tail portion is installed by disk spring（11）；The disk spring（11）Lower end passes through plug screw assembly（19）Connection In the lower die holder（10）It is interior.

3. a kind of annular narrow side diel according to claim 2, it is characterised in that：The blanking flattens punch（12） Pass through screw（14）And pressing plate（13）It is fixed on the upper solid plate（3）It is interior.

4. a kind of annular narrow side diel according to claim 3, it is characterised in that：The blanking flattens punch（12） On be provided with mounting groove, matching pressing plate is provided in the mounting groove（13）；The pressing plate（13）Pass through screw（14） Mounted on upper solid plate（3）Lower end.