CN219505028U - Reaction sintering silicon carbide barrel body extrusion blank mold - Google Patents

Abstract

The utility model belongs to the technical field of silicon carbide barrel body dies, in particular to a reaction sintering silicon carbide barrel body extrusion blank die which comprises a base, wherein a lower die holder is fixedly arranged at the top of the base, an access door is arranged at the bottom of the base, a depth adjusting structure is arranged in the lower die holder, a plurality of limiting rods are fixedly arranged at the top of the base, connecting frames are movably arranged on the limiting rods, the same upper die holder is fixedly arranged between the connecting frames, two racks are fixedly arranged on the outer wall of the upper die holder, two supporting frames are fixedly arranged on the outer wall of the lower die holder, and a mounting plate is fixedly arranged at the top of each supporting frame.

Description

Reaction sintering silicon carbide barrel body extrusion blank mold

Technical Field

The utility model relates to the technical field of silicon carbide barrel molds, in particular to a reaction sintering silicon carbide barrel extrusion blank mold.

Background

The silicon carbide grinding barrel replaces imported products, has the service life 5-10 times longer than that of common wear-resistant materials, has high hardness, high strength, high wear resistance, high temperature resistance and good thermal conductivity, slurry or powder materials are subjected to static pressure molding by a die before sintering, a silicon carbide grinding barrel green body with corresponding specification and size is produced, then the green body is repaired and dried, and finally the repaired biscuit is put into a vacuum furnace and added with silicon alloy for sintering.

However, in the existing equipment, the extrusion die with the fixed depth of the lower die holder cannot produce barrels with different length specifications, only barrels with one type can be produced, blanks with other sizes are required to be manufactured, and the lower die holder is required to be detached and replaced, so that the manufacturing efficiency of the blanks is greatly affected, and the reactive sintering silicon carbide barrel extrusion blank die is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a reactive sintering silicon carbide barrel body extrusion blank mold.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reaction sintering carborundum staving extrudes body mould, includes the base, the fixed die holder that is equipped with in top of base, the bottom of base is equipped with the access door, be equipped with the degree of depth adjustment structure in the die holder, the fixed a plurality of gag lever posts that are equipped with in top of base, a plurality of all activity is equipped with the link on the gag lever post, a plurality of fixed same upper die base that is equipped with between the link, the fixed two racks that are equipped with of outer wall of upper die base, the fixed two support frames that are equipped with in outer wall of die holder, the fixed mounting panel that is equipped with in top of support frame, the fixed connecting block that establishes in top of mounting panel, the fixed driving motor that is equipped with in top of connecting block, the fixed gear that is equipped with on driving motor's the output, gear and rack meshing transmission, the bottom of upper die base is equipped with the installation cavity, be equipped with the punching press head in the installation cavity.

As a further description of the above technical solution:

the depth adjusting structure comprises a plurality of push rod motors fixedly connected with the inner wall of the bottom of the lower die holder, and the output ends of the push rod motors are fixedly provided with the same supporting plate.

As a further description of the above technical solution:

the limiting rod, the connecting frame and the supporting frame are all made of stainless steel.

As a further description of the above technical solution:

the connecting frame is provided with a round hole, the inner wall of the round hole is provided with a sealing ring, and the inner wall of the sealing ring is attached to the limiting rod.

As a further description of the above technical solution:

the outer wall of punching press head is equipped with two internal thread holes, the activity is equipped with two threaded rods on the inner wall of installation cavity, threaded rod and internal thread hole looks adaptation.

As a further description of the above technical solution:

the bottom of base is fixed to be equipped with four and is the supporting leg of rectangle range, four the bottom of supporting leg is all fixed and is equipped with anti-skidding callus on the sole.

The utility model has the following beneficial effects:

1. compared with the prior art, the reaction sintering silicon carbide barrel body extrusion blank mold has the advantages that through the arrangement of the supporting plate and the plurality of push rod motors, the push rod motors can adjust the distance from the supporting plate surface to the top of the lower mold base through pushing the supporting plate, so that blank production of barrel bodies with different lengths is realized, the lower mold base is not required to be replaced, the manufacturing efficiency of the blank is improved, and the convenience and the application range of equipment production are increased.

2. Compared with the prior art, the reaction sintering silicon carbide barrel body extrusion blank mold can realize the quick assembly disassembly of the stamping head by arranging the mounting cavity and the two threaded rods, replaces the mode of the integration of the traditional upper die base and the stamping head, does not need to integrally replace the upper die base when casting blanks with different thicknesses, directly replaces the stamping head, improves the replacement efficiency and has more practicability.

Drawings

FIG. 1 is a schematic view of a first perspective view of a reactive sintering silicon carbide barrel extrusion blank mold according to the present utility model;

FIG. 2 is a schematic view of a second perspective of a reactive sintering silicon carbide barrel extrusion blank mold according to the present utility model;

FIG. 3 is a schematic front cross-sectional view of a lower die holder in a reactive sintering silicon carbide barrel extrusion blank die;

FIG. 4 is a schematic diagram of a three-dimensional structure of a stamping head in a reactive sintering silicon carbide barrel extrusion blank mold according to the present utility model;

fig. 5 is a schematic diagram of a three-dimensional structure of an upper die holder in a reactive sintering silicon carbide barrel extrusion blank die.

Legend description:

1. a base; 2. a lower die holder; 3. an access door; 4. a depth adjustment structure; 401. a push rod motor; 402. a support plate; 5. a limit rod; 6. a connecting frame; 7. an upper die holder; 8. a rack; 9. a support frame; 10. a mounting plate; 11. a driving motor; 12. a gear; 13. a mounting cavity; 14. a threaded rod; 15. punching heads; 16. an internal threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the utility model provides a reaction sintering silicon carbide barrel extrusion blank mold: the anti-skid device comprises a base 1, wherein four supporting legs which are arranged in a rectangular mode are arranged on a bottom bolt of the base 1, anti-skid foot pads are adhered to the bottoms of the four supporting legs through adhesives, the anti-skid foot pads are made of rubber, the arrangement of the anti-skid foot pads can enhance the friction between equipment and the ground, the stability of the equipment is guaranteed, displacement is prevented, a lower die holder 2 is arranged on a top bolt of the base 1, an access door 3 is arranged on the bottom of the base 1, the subsequent maintenance of a push rod motor 401 in the lower die holder 2 can be facilitated through the arrangement of the access door 3, a depth adjusting structure 4 is arranged in the lower die holder 2, the depth adjusting structure 4 comprises a plurality of push rod motors 401 which are connected with the inner wall of the bottom of the lower die holder 2 through bolts, and the same supporting plate 402 is welded at the output ends of the plurality of the push rod motors 401;

the top welding of base 1 has a plurality of gag lever posts 5, the number of gag lever posts 5 is four, and four gag lever posts 5 are the rectangle and arrange, the setting of gag lever post 5 can be to the lift spacing of upper die base 7, equal slidable mounting has link 6 on a plurality of gag lever posts 5, be equipped with the round hole on link 6, the round hole inner wall is equipped with the sealing washer, sealing washer inner wall and gag lever post 5 laminating, the setting of sealing washer can stop the direct contact friction of round hole and gag lever post 5, can reduce the wearing degree of gag lever post 5 to link 6 round hole, bolt mounting has same upper die base 7 between a plurality of links 6, the outer wall welding of upper die base 7 has two racks 8, two support frames 9 are installed to the outer wall bolt of die holder 2, gag lever post 5, link 6 and support frame 9 are made by the stainless steel, the mounting panel 10 is installed to the top bolt of support frame 9, the connecting block is installed to the top bolt of mounting panel 10, the top bolt of connecting block installs driving motor 11, the welding has gear 12 on the output of driving motor 11, gear 12 and rack 8 meshing transmission, the bottom of upper die base 7 is equipped with installation cavity 13, installation cavity 13 is equipped with two inner wall 16 and two screw thread holes of ram 15, the threaded rod 16 are installed to the outer wall 16 of die carrier 16, the threaded rod is installed to the threaded hole 16 is installed to the outer wall 16.

Working principle: before the use, firstly, the depth of the barrel is manufactured according to the needs, the height of a supporting plate 402 is adjusted, a plurality of push rod motors 401 are started, the plurality of push rod motors 401 drive the supporting plate 402 at the top, after the ascending height of the supporting plate 402 is moderate, the plurality of push rod motors 401 are closed at the same time, then slurry is led into a lower die holder 2, then two driving motors 11 are started, the two driving motors 11 drive two gears 12, the two gears 12 drive an upper die holder 7 to move downwards through the meshing of two racks 8, the upper die holder 7 drives a stamping head 15 to enter the slurry of the lower die holder 2, then the two driving motors 11 are closed, casting blank operation can be carried out, after the blank is formed, the two driving motors 11 are started again, the upper die holder 7 is reversely driven to move upwards, the upper die holder 7 drives the stamping head 15 to move upwards, when the blank is required to be taken out, the push rod motors 401 drive the supporting plate 402 to move upwards, the blank is ejected, when the blank with different thicknesses is required to be cast, the upper die holder 7 is rotated, the two threaded rods 14 are required to be replaced anticlockwise, and the threaded rod heads 14 can be separated from the threaded rod heads 16, namely, the casting blank can be replaced properly, and the casting blank can be replaced, and the type of the casting blank can be replaced.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a reaction sintering carborundum staving extrudes body mould, includes base (1), its characterized in that: the utility model discloses a die holder, including base (1), upper die base (7), mounting plate (10), connecting block, driving motor (11) are fixed to the top of connecting block, driving motor (11) are fixed on the output of being equipped with gear (12), gear (12) and rack (8) meshing transmission, the bottom of upper die base (7) is equipped with install chamber (13), be equipped with punching press head (15) in install chamber (13) fixedly between fixed being equipped with of top of base (1) die holder (2), the bottom of base (1) is equipped with access door (3), be equipped with in the top of support frame (9) mounting plate (10), the connecting block is fixed to the top of mounting plate (10), the top of connecting block is fixed to be equipped with driving motor (11), be equipped with gear (12) on the output of driving motor (11), gear (12) and rack (8) meshing transmission.

2. A reaction sintered silicon carbide barrel extrusion blank mold as claimed in claim 1, wherein: the depth adjusting structure (4) comprises a plurality of push rod motors (401) fixedly connected with the inner wall of the bottom of the lower die holder (2), and the same supporting plate (402) is fixedly arranged at the output ends of the push rod motors (401).

3. A reaction sintered silicon carbide barrel extrusion blank mold as claimed in claim 1, wherein: the limiting rod (5), the connecting frame (6) and the supporting frame (9) are all made of stainless steel.

4. A reaction sintered silicon carbide barrel extrusion blank mold as claimed in claim 1, wherein: the connecting frame (6) is provided with a round hole, the inner wall of the round hole is provided with a sealing ring, and the inner wall of the sealing ring is attached to the limiting rod (5).

5. A reaction sintered silicon carbide barrel extrusion blank mold as claimed in claim 1, wherein: the outer wall of the stamping head (15) is provided with two internal threaded holes (16), the inner wall of the mounting cavity (13) is movably provided with two threaded rods (14), and the threaded rods (14) are matched with the internal threaded holes (16).

6. A reaction sintered silicon carbide barrel extrusion blank mold as claimed in claim 1, wherein: the bottom of base (1) is fixed and is equipped with four supporting legs that are the rectangle and arrange, four the bottom of supporting leg is all fixed and is equipped with anti-skidding callus on the sole.