CN208234760U - A kind of molding die - Google Patents

Abstract

The utility model discloses a kind of molding dies, including upper mold and lower mold, in the upper mold and the lower mold one be provided with shaping groove, another be provided with the molding protrusion to match with the shaping groove, the two sides cell wall of the shaping groove is used to open setting to the two sides molding of target product, both ends.In the molding die, the trough end wall of shaping groove is removed, so that shaping groove forms a through slot, then causing shaping groove, there is no four turnings, and then avoid clear angle processing.Greatly reduce difficulty of processing, reduce processing cost, at the same pick and place conveniently, it is easy to operate.In conclusion the molding die can efficiently solve the high problem of molding die processing cost.

Description

A kind of molding die

Technical field

The utility model relates to workpiece shaping technical fields, are specifically related to a kind of molding die.

Background technique

Present 3D hot bending both sides shaping dies, substantially uses forming face for enclosed two template dies structure, this structure is set Haggle over complexity, design cost is higher, simultaneously because mould structure be it is enclosed, this for the processing of mold below bring it is in the majority not Just, such as: cavity plate shaping dies is closed, roughing in CNC process, semifinishing, finishing, last clear angle processing Etc. processes, especially clear angle handle when need reprogram, replace cutter.Processing efficiency is reduced in this way, and processing cost is simultaneously Also it can improve.

It is current those skilled in the art in conclusion how to efficiently solve the high problem of molding die processing cost Urgent problem.

Utility model content

In view of this, the molding die can be solved effectively the purpose of this utility model is to provide a kind of molding die The certainly high problem of molding die processing cost.

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

A kind of molding die, including upper mold and lower mold, one is provided with into the upper mold and the lower mold Type groove, another is provided with, and the molding to match with the shaping groove is raised, and the two sides cell wall of the shaping groove is used for Setting is opened to the two sides molding of target product, both ends.

Preferably, the length of the shaping groove is greater than the length of the target product.

Preferably, the length of the relatively described target product of the length of the shaping groove is 3 millimeters to 5 millimeters long.

Preferably, including silicon carbide insert, the shaping groove is provided in the silicon carbide insert.

Preferably, the lower mold includes pedestal and the silicon carbide insert that is mounted on the base.

Preferably, the upper mold is carbon carbon composite mold.

Preferably, the pedestal of the lower mold is carbon carbon composite pedestal.

Preferably, the upper mold is integrally formed mold.

A kind of molding die provided by the utility model, the specific molding die includes upper mold and lower mold.Wherein In upper mold and lower mold, one be provided with shaping groove, another be provided with the molding protrusion to match with shaping groove.Its The two sides cell wall of middle shaping groove is used to open setting to the two sides molding of target product, both ends.And wherein the two of shaping groove Setting is opened at end, i.e. shaping groove is through slot, is referred to that setting is opened at the both ends in the flute length direction of shaping groove, is expressed as simultaneously The both ends of type groove are not provided with trough end wall.

According to above-mentioned technical solution, it is recognised that when manufacturing the molding die, it is only necessary to slightly add to the progress of mold Work, semifinishing, finishing, without carrying out clear angle processing again, and when in use, as traditional dies, by target Product is placed on shaping groove, is then closed upper mold and is squeezed in opposite directions, to product extrusion forming.In the molding die In, the trough end wall of shaping groove is removed, so that shaping groove forms a through slot, then causing shaping groove, there is no four Turning, and then avoid clear angle processing.Difficulty of processing is greatly reduced, processing cost is reduced, while picking and placing convenience, operation letter It is single.In conclusion the molding die can efficiently solve the high problem of molding die processing cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of lower mold provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of molding die provided by the embodiment of the utility model.

It is marked in attached drawing as follows:

Lower mold 1, upper mold 2, shaping groove 11, silicon carbide insert 12, pedestal 13.

Specific embodiment

The utility model embodiment discloses a kind of molding die, and to efficiently solve, molding die processing cost is high to be asked Topic.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-Fig. 2 is please referred to, Fig. 1 is the structural schematic diagram of lower mold provided by the embodiment of the utility model；Fig. 2 is this reality With the structural schematic diagram for the molding die that new embodiment provides.

In a specific embodiment, a kind of molding die is present embodiments provided, the specific molding die includes upper Mold 2 and lower mold 1, with by upper mold 2 and lower mold 1, to target product extrusion forming, target product is mainly that glass produces Product, such as cell phone rear cover.

Wherein in upper mold 2 and lower mold 1, one is provided with that shaping groove 11, another is provided with and shaping groove 11 The molding protrusion to match, shaping groove 11 mutually agrees with target product target completed state, i.e., according to target completed state phase The corresponding shaping groove 11 of the setting answered.

Wherein the two sides cell wall of shaping groove 11 is used to open setting to the two sides molding of target product, both ends.Form The two sides cell wall wall surface of groove 11 is as main forming surface, to form to target product.The two of general shaping groove 11 Side channel wall is mainly used for making target to produce two lateral bends of piece, such as mobile phone battery cover, curved in the left and right sides.It should be noted that herein The two sides cell wall of shaping groove 11 can be identical, can not also be identical, and along flute length direction, the bending degree of cell wall is bent model Enclosing can be the same, can also be different, is not specifically limited herein.

And wherein setting is opened at the both ends of shaping groove 11, i.e. shaping groove 11 is through slot, refers to shaping groove 11 Setting is opened at the both ends in flute length direction, while indicating that the both ends of shaping groove 11 are not provided with trough end wall, so that target product can be with Shaping groove 11 is removed along flute length direction.After setting is opened at the both ends of shaping groove 11, that is, indicate that trough end wall is not present, in turn Also there would not be the angle between trough end wall and groove sidewall.It should be noted that by 11 shaped article of shaping groove it Afterwards, target product can be the product for not needing molding both ends at this time, and if need to form the product at both ends, can also set again A set of molding die is set, the groove of the molding die is also through slot, but the two sides cell wall of through slot is used for the two of molded target product End.

In the present embodiment, when manufacturing the molding die, it is only necessary to carry out roughing, semifinishing, essence to mold Processing, without carrying out clear angle processing again, and when in use, as traditional dies, is placed on molding for target product On groove 11, then closes upper mold 2 and squeeze in opposite directions, to product extrusion forming.In the molding die, by shaping groove 11 trough end wall removal then causes shaping groove 11 that four turnings are not present so that shaping groove 11 forms a through slot, into And avoid clear angle processing.Greatly reduce difficulty of processing, reduce processing cost, at the same pick and place conveniently, it is easy to operate.To sum up institute It states, which can efficiently solve the high problem of molding die processing cost.

As described above, when along the flute length direction of shaping groove 11, groove sidewall deformation extent is consistent, i.e. shaping groove everywhere When 11 cross section is consistent, the length of shaping groove 11 can be made to be greater than the length of target product, with there are one when target product When fixed offset, still it is located in forming surface, so that the molding die still can be good at forming target product.It needs It is also unsuitable too short it is noted that length is unsuitable too long, the length of the length relative target product of preferred shaping groove 11 herein It is 3 millimeters to 5 millimeters long.It should be noted that when can be set when the cross section of molding die has variation along flute length direction The positioning column for carrying out longitudinal register also can be set in product orientation line.

Further, wherein upper mold 2 and lower mold 1 can be graphite jig or metal die.But due to it is long when Between there is oxidation deformation in high temperature, the cooling mold that will lead to repeatedly.First is that, with the hot bending time lengthening graphite jig oxidation can get over Fast more serious, oxidation rate is also getting faster, and the carbon in graphite jig is also gradually consumed, and leaves behind the charcoal of part And ash content, thus graphite jig cannot use, thus the service life of mold also shortens, and cost is consequently increased.Second is that, when Die face deforms, and the 3D glass processed will appear cullet, inverted triangle, coining, bias, collapse phenomena such as angle, however mould The mode and rule of the deformation of tool at high temperature are difficult to grasp at present.

For these reasons, it is preferably provided with silicon carbide insert 12 herein, it is recessed that molding is provided in silicon carbide insert 12 Slot 11, it should be noted that when shaping groove 11 is arranged on lower mold 1, which is then arranged in lower mold 1 On, and when shaping groove 11 is arranged on upper mold 2, which is then arranged on upper mold 2.Wherein silicon carbide It is unlikely to deform, and will not be oxidized under high temperature repeatedly in material, it is possible to guarantee uniform dimensional accuracy.Together When, 11 groove face of shaping groove of carbofrax material compactness with higher, setting is smooth, so that shaped article surface light Cunning is smooth.

For convenient formation, and facilitate positioning product, is provided with shaping groove 11 on preferably lower mold 1 herein, correspondingly, In view of carbofrax material is more expensive, lower die tool 1 can be made to include pedestal 13 and be mounted on above-mentioned on pedestal 13 based on this Silicon carbide insert 12.Wherein pedestal 13 can use other materials to cause formed product to be imitated in order to avoid pedestal 13 deforms excessive Fruit is bad, is based on this, can make 13 carbon carbon composite pedestal 13 of pedestal, carbon carbon composite is not easy under high temperature repeatedly Deformation, and will not be oxidized, it is possible to guarantee uniform dimensional accuracy.And carbon carbon composite molecular gap compares The problem for causing surface roughness bigger greatly influences mold and little.It should be noted that wherein pedestal 13 and carbonization It can be fixedly connected using screw between silicon insert 12, mounting groove and mounting post interference fit connection can also be passed through.

It should be noted that corresponding molding protrusion, it can also be with carborundum piece machine-shaping.It is contemplated that silicon carbide Cost is relatively high, and forms on the inside of the molding target product of protrusion institute, and surface smoothness requirements are not high, are based on this, can make Upper mold 2 is carbon carbon composite mold, and specific preferably upper mold 2 is integrally formed mold.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily 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 present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (4)

1. a kind of molding die, including upper mold and lower mold, one is provided with molding in the upper mold and the lower mold Groove, another be provided with the molding protrusion to match with the shaping groove, which is characterized in that the two sides of the shaping groove Cell wall is used to open setting to the two sides molding of target product, both ends；Including silicon carbide insert, it is arranged in the silicon carbide insert There is the shaping groove；The lower mold includes pedestal and the silicon carbide insert that is mounted on the base；The upper mold Tool is carbon carbon composite mold；The length of the shaping groove is greater than the length of the target product.

2. molding die according to claim 1, which is characterized in that the relatively described target of the length of the shaping groove produces The length of product is 3 millimeters to 5 millimeters long.

3. -2 described in any item molding dies according to claim 1, which is characterized in that the pedestal is carbon carbon composite bottom Seat.

4. molding die according to claim 3, which is characterized in that the upper mold is integrally formed mold.