CN201907216U

CN201907216U - Fast-to-replace mold

Info

Publication number: CN201907216U
Application number: CN201020666140XU
Authority: CN
Inventors: 陈金春; 陈柄承
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-17
Filing date: 2010-12-17
Publication date: 2011-07-27
Anticipated expiration: 2020-12-17

Abstract

The utility model relates to a mold capable of fast replacing a template without moving a die seat, which solves the problems of heavy weight and replacement inconvenience of large-size molds in the prior art. The mold comprises a lower die and an upper die, wherein the lower die comprises the template and the die seat, the upper surface of the die seat is provided with a downwards concave die cavity, the template is placed in the die cavity, and the shape of the template is matched with the shape of the die cavity. The die seat is separated from the template, the die seat has a heavy weight, the template has a light weight, and only the template needs to be replaced during the die replacement, so the work load is small, a large-size hanging tool is also not needed for auxiliary operation, the operation is very convenient, in addition, the template has the light weight and a small size, the cost can also be saved, and the template becomes a universal base.

Description

Quick-replaceable mould

Technical field

The utility model relates to a kind of mould structure, and especially a kind of die holder keeps not quick-replaceable mould of moving platen fast changeable.

Background technology

Perfect along with processing technology, the technology of mould is also more and more ripe, the size of mould is also more various, little mould is all skillfully used with big mould, patrix and counterdie are generally arranged in the time of mold work, form the duty of a punching press behind patrix and the counterdie matched moulds, general patrix is a drift, counterdie has template, some is a die cavity, but the weight ratio of large mold is bigger, and some all is 1 ton to 30 tons, a lot of workpiece need several molds combinations just can finish when processing, at this moment just die holder or counterdie transposing need be replaced with the mould that next process needs, the workload of this replacing of large mold is very big relatively, particularly to the mould bigger with weight, move when changing and need use large-scale suspender, change trouble, and large mold bad control of precision when changing, deviation takes place in last procedure and the back position relation between one procedure easily, and this has just caused workpiece not reach requirement through mold pressing processing back precision repeatedly.

Patent Office of the People's Republic of China has announced a CN200988290Y patent on December 12nd, 2007, name is called the mould of tool fast mold change mechanism, comprises die holder; on die holder, offer spliced eye; one is positioned at the template on the die holder, offers die cavity, and the spliced eye position of corresponding die holder is provided with the grafting through hole on template; die; be installed in the die cavity of template, flexible member is housed in the grafting through hole of template; and the locked mode element, in order to locking template, die and die holder one.But the weight ratio of the template in this mould is bigger, and template belongs to die holder and fixedlys connected, and just in the die cavity of template die is set, and template need be removed from die holder when changing die, the interfering edge that discharges between template and the die could be changed die, operates cumbersome.

Summary of the invention

It is bigger that the utility model has solved the medium-and-large-sized mold weight of prior art, changes inconvenient shortcoming, and it is isolating construction that a kind of die holder and template are provided, and is convenient for changing quick-replaceable mould of template.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of quick-replaceable mould, comprise counterdie and patrix, counterdie comprises template, it is characterized in that counterdie comprises a die holder, the die holder upper surface is provided with a recessed die cavity, template is placed in the die cavity, and the shape of template and the shape of die cavity are suitable.Template is placed in the die cavity, die cavity can play firm effect to template, patrix is descending when carrying out punching press, template and patrix interact, die cavity is as the containing cavity of machining object, also limit simultaneously template, prevent that template is subjected to displacement in punching press, the shape of template and the shape of die cavity are suitable, prevent that like this machining object from seepage taking place on the limit in punching course or burr occur, improves the precision of processing, also reduce simultaneously follow-up operation, fixing between template and the die cavity, just the sidewall by die cavity forms fixingly, and the weight of template is little, it is very convenient to change template like this, the weight and volume of die holder is all bigger, and when the size of special workpiece was big, the size of die holder was bigger, so only need to change template, as general base, the appearance and size of template forms specification, does not also need to use large-scale suspender or other aids in the time of replacing with die holder.

As preferably, die cavity is a quadrangle, and four angles of die cavity are wedge angle or fillet, and the sidewall of die cavity is a plane inclined.Die cavity is a quadrangle, and be wedge angle, be in fixing unique angle and position when template is put in the die cavity like this, can not be subjected to displacement when patrix is descending, guarantee that also punching press each time all obtains identical workpiece, the sidewall of die cavity is that plane inclined forms a pattern draft, makes things convenient for workpiece to withdraw from, and also is convenient for changing template simultaneously; Four angles also can be fillets.

As preferably, the degree of depth of die cavity is 30-90mm, and the sidewall slope angle of die cavity is 1-5 °, and the bottom of die cavity is the plane, is wedge angle or fillet between die cavity bottom and the sidewall.Die cavity is as the fixed position of template, also as the disposal area of machining object, needs certain volume, considers the replacing with template withdrawed from of workpiece simultaneously, also considers the distance that patrix is descending, and die cavity is arranged to the degree of depth of 30-90mm, the effect of performance die cavity; The angle of inclination of die cavity also is a pattern draft, characteristic at different machining object, also can carry out conversion, the die cavity bottom is the plane, and big with the template contact area, the stability of strutting system to template is good like this, template stressed more even, the die cavity bottom is a wedge angle with sidewall, guarantees can not interfere when template is gone in die cavity, guarantees the precision that template is placed.

This is another kind of scheme: the bottom position of die cavity sidewall is a vertical plane, and the height of vertical plane is 8-18mm.Vertical plane contacts with the side of template, improves the stability of template.

As preferably, template is for to think adaptive quadrangle with die cavity, and the thickness of template is 8-18mm, and four limits of template are fillet, and the radius of fillet is 1-5mm.Template will have enough thickness, guarantee the intensity of template, also will reserve the lines size of template upper surface workpiece simultaneously, and four limits of template are fillet, processes more conveniently like this, also can not produce interference for the installation of template.

As preferably, the lower surface of template is embedded with the magnetic force piece, and the lower surface of magnetic force piece is concordant with the lower surface of template.Can be conveniently template be taken out in the die cavity by the magnetic force piece and to change.

Another kind of mode, template is provided with the technology screw that connects template.Can be convenient for changing with template from die cavity jack-up by the technology screw.

As preferably, the distance between the sidewall of die holder upper surface place's lateral wall and die cavity is 8-18cm.Die holder is provided with the intensity that will guarantee die holder behind the die cavity, and will there be enough thickness at the edge of die holder upper surface.

As preferably, die holder inside is provided with the water back that multichannel is communicated with, and water back is through the bottom of die cavity, and the outlet of water back is corresponding one by one with inlet, and outlet and entering the mouth is arranged on the outer wall of die holder.Mould heats material such as processing SMC material require in processing, carries out punching press again, and the device of the size decision heating of template will be arranged on the die holder, realizes heating by water back.

The beneficial effects of the utility model are: die holder and template are separated, the weight of die holder is big, the weight of template is little, only need change template just when wanting die change, workload is little like this, does not also need large-scale suspender to assist, and operates more convenient, and the template bulking value is little can also save cost, and die holder becomes general base.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model;

Fig. 2 is the cutaway view of a kind of die holder of the utility model;

Fig. 3 is the cutaway view of the another kind of die holder of the utility model;

Fig. 4 is the cutaway view of a kind of template of the utility model;

Among the figure: 1, patrix, 2, template, 3, die cavity, 4, die holder, 5, water back, 6, sidewall, 7, vertical plane, 8, the magnetic force piece.

The specific embodiment

Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment 1: a kind of quick-replaceable mould (referring to accompanying drawing 1 Fig. 2), comprise counterdie and patrix 1, counterdie comprises a die holder 4 and is arranged on the interior template 2 of die holder, the upper surface of die holder is provided with recessed die cavity 3, die cavity is quadrangle, four angles of die cavity are the right angle, the sidewall 6 of die cavity is skewed, the angle that tilts is 2 °, the bottom of die cavity is the plane, between the sidewall 6 of die cavity bottom and die cavity is the wedge angle transition, die holder inside is provided with three road water backs 5, water back is through the bottom of die cavity, water back has inlet and outlet one to one, inlet is arranged on the outer wall of die holder with outlet, the degree of depth of die cavity is 70mm, distance between the sidewall of die holder upper surface place's lateral wall and die cavity is 10cm, template is placed into the bottom of die cavity, the lower surface of template and the bottom connection of die cavity touch, the thickness of template is 10mm, the shape of the shape of template and die cavity bottom is suitable, four angles of template are the right angle, the upper surface of template and four sides, between lower surface and four sides is round-corner transition, the radius of fillet is 2mm, the inside of template is embedded with magnetic force piece 8, the lower surface of magnetic force piece mutually concordant with the lower surface of template (referring to accompanying drawing 4), and the profile of the drift of patrix and the shape of die cavity match.

Template is placed in the die cavity, the upper surface that template has a lines up, the bottom of lower surface and die cavity is adjacent to, logical hot gas or hot water in the water back, die holder and template heated machining object SMC powder is placed into the template upper surface, thing to be processed softens when flowing, and patrix is descending, and drift and template move closer to, the machining object punching press is formed workpiece, when needing the workpiece of the other lines of processing, with template sucking-off in the die cavity, replace with corresponding template again and get final product with the magnetic force dish.If processing work is of a size of 2mX2m, then the weight of die holder is 28 tons, and the weight of template is 2 tons simultaneously, and the difference of weight is bigger, changes template than changing whole counterdie save trouble and labor more.

Embodiment 2: a kind of quick-replaceable mould (referring to accompanying drawing 1 Fig. 3), and the bottom position of die cavity sidewall is a vertical plane 7, and the height of vertical plane is 10mm, and the thickness of template is 10mm, and the shape that the shape of template and vertical plane surround is suitable.All the other structures are with reference to embodiment 1.

Above-described embodiment is two kinds of preferred version of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims

1. a quick-replaceable mould comprises counterdie and patrix, and counterdie comprises template, it is characterized in that counterdie comprises a die holder, and the die holder upper surface is provided with a recessed die cavity, and template is placed in the die cavity, and the shape of template and the shape of die cavity are suitable.

2. quick-replaceable mould according to claim 1 is characterized in that die cavity is a quadrangle, and four angles of die cavity are wedge angle or fillet, and the sidewall of die cavity is a plane inclined.

3. quick-replaceable mould according to claim 1 and 2, the degree of depth that it is characterized in that die cavity is 30-90mm, and the sidewall slope angle of die cavity is 1-5 °, and the bottom of die cavity is the plane, is wedge angle or fillet between die cavity bottom and the sidewall.

4. quick-replaceable mould according to claim 3, the bottom position that it is characterized in that the die cavity sidewall is a vertical plane, the height of vertical plane is 8-18mm.

5. quickly replacing mould according to claim 1 is characterized in that template is to think adaptive quadrangle with die cavity, and the thickness of template is 8-18mm, and four limits of template are fillet, and the radius of fillet is 1-5mm.

6. according to claim 1 or 2 or 5 described quickly replacing moulds, it is characterized in that the lower surface of template is embedded with the magnetic force piece, the lower surface of magnetic force piece is concordant with the lower surface of template.

7. according to claim 1 or 2 or 5 described quickly replacing moulds, it is characterized in that template is provided with the technology screw that connects template.

8. according to claim 1 or 2 or 5 described quickly replacing moulds, it is characterized in that the distance between the sidewall of die holder upper surface place's lateral wall and die cavity is 8-18cm.

9. according to claim 1 or 2 or 5 described quickly replacing moulds, it is characterized in that die holder inside is provided with the water back that multichannel is communicated with, the outlet of water back is corresponding one by one with inlet, and outlet is arranged on the outer wall of die holder with inlet.