CN215702596U

CN215702596U - Silicon carbide light mold for firing bent plates

Info

Publication number: CN215702596U
Application number: CN202121330783.1U
Authority: CN
Inventors: 李明新; 李冰
Original assignee: Weifang Zhida Special Ceramics Co ltd
Current assignee: Weifang Zhida Special Ceramics Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-02-01
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a silicon carbide light die for firing bent plates, which belongs to the technical field of silicon carbide dies and comprises an upper die and a lower die which are matched with each other, wherein the upper die and the lower die are both processed by silicon carbide materials, the lower die and the upper die are both of shell type structures with one open ends, one end of the lower die is set into a symmetrical concave inclined plane with a low middle and two high sides, the other end of the lower die is set into an open plane, and a plurality of rib plates which are distributed in a crossed manner are arranged in the lower die and are used for connecting the inner bottom surface and the side surface of the lower die; the upper die comprises a hollow working area and a mounting area, a plurality of mounting holes used for fixing the upper die are formed in the mounting area, one end of the hollow working area is arranged to be a convex inclined plane matched with the concave inclined plane, the other end of the upper die is also arranged to be an open plane, and a plurality of rib plates which are distributed in a crossed mode are arranged in the upper die and used for being connected with the inner bottom surface and the side surface of the hollow working area.

Description

Silicon carbide light mold for firing bent plates

Technical Field

The utility model relates to the technical field of silicon carbide molds, in particular to a silicon carbide light mold for firing bent plates.

Background

V type panel with bending structure is firing the in-process, need use the mould to finalize the design and fire for avoiding panel to take place the deformation under high temperature, the mould mainly adopts metal Cr12 to make, it is comparatively serious to metal mold's inner wall wearing and tearing at pressing in-process hard material, cause metal mold's life to reduce, the mould that adopts metal Cr12 to make under the normal conditions only can suppress several hundred blanks, make manufacturing enterprise's input to the mould great, manufacturing cost is higher, lay the mould in-process at V type panel blank simultaneously, because of the Cr12 mould has certain thickness, very easily cause the inhomogeneous problem of blank heating, greatly influence the off-the-shelf quality of power, and the mould is great because of self weight, there is the inconvenient problem of transport.

SUMMERY OF THE UTILITY MODEL

For the problems in the prior art, the silicon carbide light die for firing the bent plates, provided by the utility model, has the advantages that the working areas of the upper die and the lower die are both designed in a hollow manner, the structural strength is improved by using the crossed rib plates, and the thicknesses of the upper die and the lower die are greatly reduced, so that a blank to be processed can be heated more uniformly, the product quality is improved, the dead weight of the die can be reduced, and the opening, closing and carrying of the die are facilitated.

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

a silicon carbide light die for firing bent plates comprises a lower die, wherein the lower die is of a shell type structure with an opening at one end, one end of the lower die is provided with symmetrical concave inclined planes with a low middle part and two high sides, the other end of the lower die is provided with an opening plane, and a plurality of rib plates which are distributed in a crossed mode are arranged in the lower die and used for connecting the inner bottom surface and the side surface of the lower die;

go up the mould, including cavity workspace and installing zone, be equipped with a plurality of being used for fixing on the installing zone the mounting hole of going up the mould, cavity workspace one end establish into with indent inclined plane matched with symmetry's evagination inclined plane, it also establishes to go up the mould other end into open-ended plane, also be equipped with a plurality of cross distribution's gusset in the last mould and be used for connecting the interior bottom surface and the side of cavity workspace.

Preferably, the rib plates in the lower die and the upper die are perpendicular to each other to form a square frame structure.

Preferably, a plurality of through holes which are evenly distributed are formed in the mounting area, a plurality of step holes matched with the through holes are formed in the lower die, the step holes penetrate through the lower die, and large-aperture ends of the step holes are matched with the through holes.

Preferably, the density of the rib plates in the lower die is greater than that of the rib plates in the upper die.

Preferably, the rib plates comprise a transverse rib plate and a vertical rib plate, and the intersection of the transverse rib plate and the vertical rib plate is processed by a fillet.

Preferably, the area of the square frame formed by the rib plates distributed in the lower die in a crossed manner is gradually increased from the middle to the periphery.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the lower die and the upper die are matched with the hollow working area to carry out shaped installation on the blank to be fired, the upper die and the lower die both adopt hollow structures, and the strength of the lower die and the upper die is enhanced by using the rib plates which are distributed in a crossed manner, so that the overall weight of the die can be reduced, the thickness of the die can be greatly reduced, the heating uniformity of the blank to be fired can be effectively improved, and the product quality can be improved;

2. the mounting hole is designed to penetrate through the stepped hole of the lower die, so that the temperature in the mounting hole is the same as the external temperature, and the condition that the assembly precision of the lower die and the upper die is influenced by the fact that air sealed in the mounting hole is unevenly heated when the lower die is matched with the lower die is avoided.

Drawings

FIG. 1 is a schematic structural diagram of an upper die of a silicon carbide light-weight die for firing bent plates according to the present invention;

FIG. 2 is a sectional view of the upper mold of the light silicon carbide mold for firing bent plates of the present invention, taken along the A-A direction;

FIG. 3 is a sectional view of the upper mold of the lightweight silicon carbide mold for firing bent plates according to the present invention, taken along the direction B-B;

FIG. 4 is a schematic structural diagram of a lower die of the light silicon carbide die for firing bent plates according to the present invention;

FIG. 5 is a cross-sectional view of the lower die of the light silicon carbide die for firing bent plates according to the present invention, taken along the C-C direction;

FIG. 6 is a cross-sectional view of the lower die of the light silicon carbide die for baking a bent plate according to the present invention, taken along the D-D direction.

In the figure: 1-hollow working area, 2-lower die, 3-concave inclined plane, 4-mounting area, 5-mounting hole, 6-convex inclined plane, 7-rib plate, 8-through hole and 9-step hole.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

The light silicon carbide mould for firing the bent plates comprises an upper mould and a lower mould 2 which are matched with each other, wherein the upper mould and the lower mould 2 are both made of silicon carbide materials, the lower mould 2 and the upper mould are both of shell type structures with one open end, one end of the lower mould 2 is provided with symmetrical concave inclined planes 3 with a lower middle and two high sides, the other end of the lower mould 2 is provided with an open plane, and a plurality of cross-distributed rib plates 7 are arranged in the lower mould 2 and used for connecting the inner bottom surface and the side surface of the lower mould 2; the upper die comprises a hollow working area 1 and a mounting area 4, the mounting area 4 is provided with a plurality of mounting holes 5 for fixing the upper die, one end of the hollow working area 1 is provided with a symmetrical outward-protruding inclined plane 6 matched with the inward-protruding inclined plane 3, the other end of the upper die is also provided with an open plane, the upper die is internally provided with a plurality of cross-distributed rib plates 7 for connecting the inner bottom surface and the side surface of the hollow working area 1, a blank to be fired is shaped and fired by matching the symmetrical inward-protruding inclined plane 3 of the lower die 2 with the outward-protruding inclined plane 6 of the upper die, the upper die and the lower die 2 both adopt a hollow structure, the strength of the lower die 2 and the upper die is enhanced by the cross-distributed rib plates 7, the thickness of the die can be greatly reduced while the whole weight of the die is reduced, the heating uniformity of the blank to be fired can be effectively improved, and the product quality is favorably improved, the open ends of the lower die 2 and the upper die are designed in a plane, so that the lower die 2 and the upper die can be placed conveniently.

The rib plates 7 in the lower die 2 and the upper die are perpendicular to each other to form a square frame structure, the density of the rib plates 7 in the lower die 2 is larger than that of the rib plates 7 in the upper die, so that the structural strength of the lower die 2 is larger than that of the upper die, the load capacity of the lower die 2 is improved, the rib plates 7 comprise transverse rib plates and vertical rib plates, and the intersection of the transverse rib plates and the vertical rib plates is processed by fillets.

A plurality of through holes 8 which are uniformly distributed are formed in the mounting area 4, a plurality of step holes 9 which are matched with the through holes 8 are formed in the lower die 2, the upper die and the lower die 2 can be conveniently positioned and mounted through matching of the through holes 8 and the step holes 9, the step holes 9 penetrate through the lower die 2, and the large-aperture ends of the step holes 9 are matched with the through holes 8;

the area of a square frame formed by the rib plates 7 distributed in the lower die 2 in a crossed mode is gradually increased from the middle to the periphery, and damage to the middle of the lower die 2 due to stress concentration can be effectively avoided.

Be equipped with on lower mould 2 a plurality of with through-hole 8 matched with mounting hole 5, mounting hole 5 is established to run through the step hole 9 of lower mould 2, the big aperture end of step hole 9 with through-hole 8 cooperatees, and mounting hole 5 adopts the design of the step hole 9 that runs through lower mould 2, makes the temperature the same with ambient temperature in the mounting hole 5, and the air of 5 inner seals of mounting hole influences the assembly precision of lower mould 2 and last mould because of being heated inequality when avoiding lower mould 2 and lower mould 2 cooperation.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A silicon carbide light die for firing bent plates is characterized by comprising a lower die, wherein the lower die is of a shell type structure with an opening at one end, one end of the lower die is a symmetrical concave inclined plane with a low middle part and two high sides, the other end of the lower die is an open plane, and a plurality of rib plates which are distributed in a crossed mode are arranged in the lower die and used for connecting the inner bottom surface and the side surface of the lower die;

2. The lightweight silicon carbide die for firing of bending plates according to claim 1, wherein the rib plates in the lower die and the upper die are perpendicular to each other to form a square frame structure.

3. The lightweight mold for firing bent sheets as defined in claim 1, wherein said mounting area has a plurality of uniformly distributed through holes, said lower mold has a plurality of stepped holes matching said through holes, said stepped holes extend through said lower mold, and the large-diameter ends of said stepped holes match said through holes.

4. The lightweight mold for firing bent sheets of silicon carbide as defined in claim 1, wherein the density of the rib plates in the lower mold is greater than the density of the rib plates in the upper mold.

5. The lightweight silicon carbide die for firing of bending plates as claimed in claim 4, wherein the rib plates comprise transverse rib plates and vertical rib plates, and the intersections of the transverse rib plates and the vertical rib plates are rounded.

6. The lightweight mold for firing bent sheets of silicon carbide as defined in claim 2, wherein the area of the square frame formed by the ribs arranged in the lower mold in a crossing manner is gradually increased from the center to the periphery.