A kind of forcing press mould mould changing device
Technical field
The invention belongs to technical field of mold, more particularly, relate to a kind of forcing press mould mould changing device.
Background technology
For loose tooling forging, because the die wear distortion, more mold exchange is very frequent in the production.Usually hot-forming die is assembled in earlier and forms the upper and lower mould platform in the die holder, and the upper and lower mould platform fits together by mould changing device, and driving is hung stripping table and is put on the die change dolly.Existing forcing press mould as shown in Figure 3.
In the prior art, because forcing press is to decide platform, the die change step is many, finishes die change one time at every turn, and the die change dolly will pass in and out the forcing press secondary, wherein once is in order to take out or put into mould changing device.And die change dolly action is not smooth, and execute-in-place is difficulty relatively, once more mold exchange for up to 2 hours.So use traditional platform drop press die change mode inefficiency of deciding, influence rhythm of production, meanwhile, existing mould changing device is bulky, and weight is big, brings very big inconvenience to operating personnel during replacing.
Summary of the invention
Technical problem to be solved by this invention is: at the deficiencies in the prior art, provide a kind of upper and lower mould platform that can improve to change efficient, the forcing press mould mould changing device of the labour intensity when reducing die change.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of forcing press mould mould changing device, comprise the patrix platform, the counterdie platform, mould changing device, described mould changing device is set to the die change guide rod of rod shaped structure, on described patrix platform and the counterdie platform more than one mating holes is set respectively, insert respectively in the mating holes of patrix platform and counterdie platform at the both ends of die change guide rod.
Described die change guide rod is set to the structure of guide rod middle part diameter greater than guide rod end I and guide rod end II, described guide rod middle part and guide rod end I, guide rod end II and between, all be set to the step surface structure, described guide rod end I and guide rod end II all are set to the structure that matches with the size of pilot hole.
Described mating holes comprises mating holes I on the patrix platform and the mating holes II on the counterdie platform, described mating holes I and mating holes II are set to respectively along patrix platform surface and a plurality of structure that distributes in one week of counterdie platform surface, the structure that described mating holes I and mating holes II can overlap when being set to patrix platform and the applying of counterdie platform.
Described guide rod end I and guide rod end II are set to the structure that reduces gradually to position, guide rod edge circumferential size.
Described guide rod edge is set to the structure of arc surface.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
Forcing press mould mould changing device of the present invention can shorten about 40 minutes time each die change.Forcing press mould mould changing device of the present invention can be accomplished both to have shortened mould replacing time, enhances productivity, and execute-in-place is convenient simultaneously.Structure of the present invention, owing to do not need handling weight to reach former mould changing device more than 1 ton, obvious degraded operation personnel's labour intensity.
Forcing press mould mould changing device of the present invention, volume is little, can the direct labor move; Easy to assembly, flexible, reliability is high; Low cost of manufacture; High efficiency.
Description of drawings
Make briefly bright to each accompanying drawing of this specification expressed content and the mark among the figure below:
Fig. 1 is the structural representation of forcing press mould mould changing device of the present invention;
Fig. 2 is the structural representation of die change guide rod;
Fig. 3 is the structural representation of former forcing press mould mould changing device;
Fig. 4 changes the process schematic diagram (die change dolly two advances two and goes out) of dull die for existing forcing press mould:
Fig. 5 changes the process schematic diagram (die change dolly two advances two and goes out) of new mould for existing forcing press mould:
Mark among the figure: 1, patrix platform; 2, counterdie platform; 3, mould changing device; 4, die change guide rod; 5, mating holes; 6, guide rod middle part; 7, guide rod end I; 8, guide rod end II; 9, mating holes I; 10, mating holes II; 11, patrix platform surface; 12, counterdie platform surface; 13, guide rod edge.
The specific embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail embodiment:
Shown in accompanying drawing 1-accompanying drawing 3, the present invention is a kind of forcing press mould mould changing device, comprise patrix platform 1, counterdie platform 2, mould changing device 3, described mould changing device 3 is set to the die change guide rod 4 of rod shaped structure, and more than one mating holes 5 is set respectively on described patrix platform 1 and the counterdie platform 2, and insert respectively in the mating holes 5 of patrix platform 1 and counterdie platform 2 at the both ends of described die change guide rod 4.
Described die change guide rod 4 is set to the structure of guide rod middle part 6 diameters greater than guide rod end I 7 and guide rod end II 8, described guide rod middle part 6 and guide rod end I 7, guide rod end II 8 and between, all be set to the step surface structure, described guide rod end I 7 and guide rod end II 8 all are set to the structure that matches with the size of pilot hole 5.In when design, the tolerance between appropriate design die change guide rod 4 and the pilot hole 5, thereby be convenient to the accurate assembling and positioning of the pilot hole 5 on guide rod 4 and the upper and lower mould platform.
Described mating holes 5 comprises mating holes I 9 on the patrix platform 1 and the mating holes II 10 on the counterdie platform 2, described mating holes I 9 and mating holes II 10 are set to respectively along patrix platform surface 11 and a plurality of structure that distributes in 12 1 weeks of counterdie platform surface, the structure that described mating holes I 9 and mating holes II 10 can overlap when being set to patrix platform 1 and 2 applyings of counterdie platform.
Described guide rod end I 7 and guide rod end II 8 are set to the structure that reduces gradually to guide rod edge 13 position circumferential sizes, thereby guide rod can lateral sliding when guaranteeing that the upper and lower mould platform is closed, is convenient to assembling.
Described guide rod edge 13 is set to the structure of arc surface.
Forcing press mould mould changing device of the present invention substitutes original mould changing devices with die change guide rod 4, is applied to decide the platform drop press, and the optimum structure of described die change guide rod is provided with 4, its mould structural representation see shown in the accompanying drawing 1.
The weight of die change guide rod 4 of the present invention only is equivalent to a dumbbell, can carry manually, thereby save one of die change dolly turnover stroke.
The die change process of forcing press mould mould changing device of the present invention is as follows:
Hot-forming die is assembled in the die holder earlier, form patrix platform 1 and counterdie platform 2, die change guide rod 4 connects patrix platform 1 and counterdie platform 2, thereby both are fit together, at this moment, the driving upper and lower mould platform of slinging is put on the die change dolly, and the die change dolly is written into upper and lower mould platform and die change guide rod 4 in the forcing press together.
Then, put down press crown, assembling patrix platform 1 is to press crown, after patrix platform 1 is finished in assembling, press crown lifts, and manually takes out the die change guide rod 4 on the mould platform, at this moment, refills and joins counterdie platform 2, after the assembling of upper and lower mould platform was finished, dolly was left, and finishes die change one time.
Same process is applicable to the wearing and tearing mould that taking-up need be changed, after the mould platform damages, lift press crown, dolly pushes, mould is placed on the die change dolly up and down then, on counterdie platform 2, place die change guide rod 4, put down entablature then, in the process that patrix platform 1 and counterdie platform 2 are fitted, the guide rod end I 7 of die change guide rod 4, guide rod end II 8 are inserted mating holes I 9 on the patrix platform 1 and the mating holes II 10 on the counterdie platform 2 respectively, at this moment, patrix platform 1 and entablature are taken apart again, lift entablature, then the release of mould up and down on the die change dolly is got final product.
Mould changing device of the present invention, structure is light, can substitute heavy former mould changing device, after the installation of patrix platform, manually can take out die change guide rod 4, thereby saves the action of a dolly turnover.
Structure of the present invention owing to do not need handling weight to reach former mould changing device more than 1 ton, can shorten mould replacing time about 40 minutes, and obvious degraded operation personnel's labour intensity.
Forcing press mould mould changing device of the present invention is compared with traditional platform drop press die change mode of deciding, and can accomplish both to have shortened mould replacing time, enhances productivity, and execute-in-place is convenient simultaneously.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously the concrete realization of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or design of the present invention and technical scheme are directly applied to other occasions without improving, all in protection scope of the present invention.