CN217290296U

CN217290296U - Metal casting mold

Info

Publication number: CN217290296U
Application number: CN202220084648.1U
Authority: CN
Inventors: 魏国强
Original assignee: Dalian Zhonghao Precision Casting Co ltd
Current assignee: Dalian Zhonghao Precision Casting Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-26
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a metal casting mould, including bed die and last mould, the top of bed die is provided with the mould, the inner wall of bed die and last mould is provided with drive assembly, drive assembly includes bevel gear group, main shaft, baffle, draw-in groove, pivot, lug and threaded rod, and is a plurality of the threaded rod is located inside the upper and lower both ends of bed die and last mould respectively, the top the equal rigid coupling in upper end of main shaft has the pivot. This metal casting mould, through the pivot, bevel gear group, the main shaft, the down tube, go up the mould, the bed die, the cooperation between diaphragm and the draw-in groove, insert the inside of draw-in groove and drive pivot rotation to fill the inside at bed die and last mould with top sand and bed sand, because the position of diaphragm is according to the model adjustment position after, can reduce the packing space of partial mould sand, avoided the cast model size of not being convenient for as required to carry out the problem of molding sand space adjustment.

Description

Metal casting mold

Technical Field

The utility model relates to the technical field of mold, specifically be a metal casting mould.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered into the full prime of bronze castings between 1700 years before the metric unit and 1000 years before the metric unit, the technology has reached a quite high level, casting is to cast liquid metal into a casting cavity adaptive to the shape of a part, and after the liquid metal is cooled and solidified, a part or a blank is obtained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal casting mould to the problem that the as required as cast model size of being not convenient for that proposes in solving above-mentioned background art carries out molding sand space adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: a metal casting mold comprises a lower mold and an upper mold, wherein the upper mold is arranged above the lower mold, and transmission assemblies are arranged on the inner walls of the lower mold and the upper mold;

the transmission assembly comprises a bevel gear set, a main shaft, a partition plate, a clamping groove, a rotating shaft, a convex block and a threaded rod;

it is a plurality of the threaded rod is located inside the upper and lower both ends of bed die and last mould respectively, the both sides outer wall of threaded rod all rotates with the bed die and last mould respectively through the bearing and links to each other, the both sides end of threaded rod all rotates with the main shaft through bevel gear group and links to each other, the top the lower extreme rigid coupling of main shaft has the lug, the outer wall rigid coupling of lug has a plurality of baffles, baffle and lug slide with the main shaft of below and link to each other, the top the equal rigid coupling in upper end of main shaft has the pivot, the inside processing in top of pivot has the draw-in groove.

Preferably, last molding sand and lower molding sand have been piled respectively to the inboard of lower mould and last mould, the lower extreme rigid coupling of lower mould has the base, the inside of going up molding sand and lower molding sand is formed with the die cavity.

Preferably, the inner sides of the lower die and the upper die are provided with limiting assemblies;

the limiting assembly comprises a transverse plate, a first sliding block, an inclined rod and a pin shaft;

it is a plurality of the diaphragm laminating links to each other in the inner wall outside of bed die and last mould, two portions all are provided with the down tube about the outside of diaphragm, the both sides of down tube all rotate with first slider and diaphragm through the round pin axle respectively and link to each other, from top to bottom first slider slides with bed die and last mould respectively and links to each other, and the inner wall of first slider all links to each other with the threaded rod screw thread.

Preferably, auxiliary components are arranged on the left side and the right side of the outer walls of the lower die and the upper die;

the auxiliary assembly comprises a spherical handle, a second sliding block, a spring, a buckling plate and a vertical cylinder;

the vertical cylinder is respectively located the outer wall left and right sides of the lower die and the upper die, the inside of the vertical cylinder is provided with a spring, the upper and lower two ends of the spring are fixedly connected with second sliders, the outer end of each second slider is fixedly connected with a spherical handle, the second sliders and the spherical handles are in clearance fit with the vertical cylinders, the outer walls of the spherical handles are tightly attached with buckles, and the inner ends of the buckles are fixedly connected with the lower die and the upper die.

Preferably, the center of the inner wall of the upper part of the upper die is fixedly connected with a vertical pipe, and a pouring opening is machined in the center of the inner part of the upper molding sand.

Compared with the prior art, the beneficial effects of the utility model are that: this metal casting mould:

through the rotating shaft, the bevel gear sets, the main shaft, the inclined rod, the upper die, the lower die, the transverse plate and the clamping groove, the upper die is inserted into the clamping groove and drives the rotating shaft to rotate, the threaded rod can be driven to rotate through the plurality of bevel gear sets and the main shaft, the first sliding block can be driven to move inwards, the upper transverse plate and the lower transverse plate are driven to move inwards through the inclined rod until the upper transverse plate and the lower transverse plate cannot be screwed, then a user can release the lower die and the upper die again, upper molding sand and lower molding sand are filled into the lower die and the upper die, and the filling space of partial molding sand can be reduced after the position of the transverse plate is adjusted according to the model, so that the problem that the molding sand space adjustment cannot be conveniently carried out according to the size of the model to be cast is solved;

through the upper molding sand, lower molding sand, the bed die, go up the mould, the buckle, cooperation between spring and the knob, accomplish the upper molding sand and fill the back with lower molding sand, can carry out the lock with bed die and last mould, can outwards stimulate knob afterwards can extension spring, and remove to the buckle and loosen, the knob can be pulled both sides buckle inwards about making, guarantee the lock compactness between bed die and the last mould, make the auxiliary assembly can further guarantee the compactness in the mould use, avoided pouring the use in the mould easy the appearance not hard up and cause the relatively poor problem of shaping effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a schematic structural diagram at C in fig. 1.

In the figure: 1. the lower die comprises a lower die body, 2, a transmission assembly, 201, a bevel gear set, 202, a main shaft, 203, a partition plate, 204, a clamping groove, 205, a rotating shaft, 206, a convex block, 207, a threaded rod, 3, a limiting assembly, 301, a transverse plate, 302, a first sliding block, 303, an inclined rod, 304, a pin shaft, 4, an auxiliary assembly, 401, a spherical handle, 402, a second sliding block, 403, a spring, 404, a buckle plate, 405, a vertical barrel, 5, lower molding sand, 6, a cavity, 7, a base, 8, upper molding sand, 9, a vertical pipe, 10, a pouring opening, 11 and an upper die body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a metal casting mold comprises a lower mold 1 and an upper mold 11, the upper mold 11 is arranged above the lower mold 1, transmission components 2 are arranged on the inner walls of the lower mold 1 and the upper mold 11, each transmission component 2 comprises a bevel gear set 201, a main shaft 202, partition plates 203, clamping grooves 204, a rotating shaft 205, a lug 206 and a threaded rod 207, a plurality of threaded rods 207 are respectively positioned in the upper end and the lower end of the lower mold 1 and the upper mold 11, the outer walls of the two sides of each threaded rod 207 are respectively rotatably connected with the lower mold 1 and the upper mold 11 through bearings, the outer threads of the two sides of each threaded rod 207 are symmetrically distributed with each other, the tail ends of the two sides of each threaded rod 207 are rotatably connected with the corresponding main shaft 202 through the bevel gear set 201, the lug 206 is fixedly connected with the lower end of the upper main shaft 202, the two threaded rods 207 can synchronously rotate through the bevel gear set 201 and the main shaft 202, the plurality of partition plates 203 are fixedly connected with the outer walls of the lug 206, the partition plates 203 and the lug 206 are slidably connected with the main shaft 202 below the lower shaft 202, the equal rigid coupling in upper end of top main shaft 202 has pivot 205, and the inside processing in top of pivot 205 has draw-in groove 204, and upper molding sand 8 and lower molding sand 5 have been piled up respectively to the inboard of bed die 1 and last mould 11, and upper molding sand 8 and lower molding sand 5 are used for forming specific die cavity 6 and use, and the lower extreme rigid coupling of bed die 1 has base 7, and the inside of upper molding sand 8 and lower molding sand 5 is formed with die cavity 6, and the specific shape of draw-in groove 204 is regular hexagon.

Lower mould 1 and last mould 11's inside inboard is provided with spacing subassembly 3, spacing subassembly 3 includes diaphragm 301, first slider 302, down tube 303 and round pin axle 304, a plurality of diaphragms 301 laminating link to each other in the inner wall outside of lower mould 1 and last mould 11, both parts all are provided with down tube 303 about diaphragm 301's the outside, the both sides of down tube 303 all rotate with first slider 302 and diaphragm 301 respectively through round pin axle 304 and link to each other, first slider 302 inwards moves and can drive diaphragm 301 inwards to move through down tube 303, first slider 302 slides with lower mould 1 and last mould 11 respectively and links to each other from top to bottom, and the inner wall of first slider 302 all links to each other with threaded rod 207 screw thread.

The left and right sides of the outer walls of the lower die 1 and the upper die 11 are provided with auxiliary components 4, each auxiliary component 4 comprises a spherical handle 401, a second slider 402, a spring 403, a buckle 404 and a vertical cylinder 405, the vertical cylinders 405 are respectively positioned on the left and right sides of the outer walls of the lower die 1 and the upper die 11, the springs 403 are arranged inside the vertical cylinders 405, the upper and lower ends of each spring 403 are fixedly connected with the second sliders 402, the outer ends of the second sliders 402 are fixedly connected with the spherical handles 401, the second sliders 402 and the spherical handles 401 are in clearance fit with the vertical cylinders 405, the buckle 404 is tightly attached to the outer side of the outer wall of the spherical handle 401, and the buckle 404 is an outer end central opening, the thin rod part of the spherical handle 401 can pass through, the inner end of the pinch plate 404 is fixedly connected with the lower die 1 and the upper die 11, a vertical pipe 9 is fixedly connected to the center of the inner wall of the upper portion of the upper die 11, the type of the spring 403 can be determined according to specific use conditions, and a pouring opening 10 is machined in the center of the inner portion of the upper molding sand 8.

When the metal casting mold is needed to be used, firstly, a user can firstly place a mold to be cast into the lower mold 1 and the upper mold 11, then the lower mold 1 and the upper mold 11 are buckled, the lug 206 and the partition plate 203 are ensured to be inserted into the main shaft 202 below, then, the user can insert the insert block into the clamping groove 204 and drive the rotating shaft 205 to rotate, the threaded rod 207 can be driven to rotate through the bevel gear sets 201 and the main shaft 202, the first slide block 302 can be driven to move inwards to drive the upper transverse plate 301 and the lower transverse plate 301 to move inwards through the inclined rod 303 until the upper transverse plate and the lower transverse plate cannot be screwed, then, the user can disassemble the lower mold 1 and the upper mold 11 again and fill the upper molding sand 8 and the lower molding sand 5 into the lower mold 1 and the upper mold 11, and the filling space of part of the molding sand can be reduced after the position of the transverse plate 301 is adjusted according to the mold, so that the problem that the adjustment of the molding sand space according to the size of the mold to be cast is inconvenient is avoided, accomplish the back that sand 8 and lower molding sand 5 are filled simultaneously, can carry out the lock with bed die 1 and mould 11, can outwards stimulate knob 401 afterwards can extension spring 403, and remove to buckle 404 and loosen, make knob 401 can draw both sides buckle 404 inwards about, guarantee the lock compactness between bed die 1 and the last mould 11, make auxiliary assembly 4 can further guarantee the compactness in the mould use, avoided pouring the use in the mould easy the appearance not hard up and cause the relatively poor problem of shaping effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal casting mould, includes bed die (1) and last mould (11), the top of bed die (1) is provided with mould (11), its characterized in that: the inner walls of the lower die (1) and the upper die (11) are provided with transmission components (2);

the transmission assembly (2) comprises a bevel gear set (201), a main shaft (202), a partition plate (203), a clamping groove (204), a rotating shaft (205), a convex block (206) and a threaded rod (207);

it is a plurality of threaded rod (207) is located respectively inside the upper and lower both ends of bed die (1) and last mould (11), the both sides outer wall of threaded rod (207) all rotates with bed die (1) and last mould (11) respectively through the bearing and links to each other, the both sides end of threaded rod (207) all rotates with main shaft (202) through bevel gear group (201) and links to each other, the top the lower extreme rigid coupling of main shaft (202) has lug (206), the outer wall rigid coupling of lug (206) has a plurality of baffles (203), main shaft (202) slip of baffle (203) and lug (206) and below links to each other, the top the equal rigid coupling in upper end of main shaft (202) has pivot (205), the inside processing in top of pivot (205) has draw-in groove (204).

2. A metal casting mold as defined in claim 1, wherein: the lower mould (1) and the inboard of last mould (11) have piled molding sand (8) and lower molding sand (5) respectively, the lower extreme rigid coupling of lower mould (1) has base (7), the inside of going up molding sand (8) and lower molding sand (5) is formed with die cavity (6).

3. A metal casting mold as defined in claim 1, wherein: the inner sides of the lower die (1) and the upper die (11) are provided with a limiting component (3);

the limiting assembly (3) comprises a transverse plate (301), a first sliding block (302), an inclined rod (303) and a pin shaft (304);

it is a plurality of diaphragm (301) laminating links to each other in the inner wall outside of bed die (1) and last mould (11), both sides all are provided with down tube (303) about the outside of diaphragm (301), the both sides of down tube (303) all rotate with first slider (302) and diaphragm (301) respectively through round pin axle (304) and link to each other, from top to bottom first slider (302) slide with bed die (1) and last mould (11) respectively and link to each other, and the inner wall of first slider (302) all links to each other with threaded rod (207) screw thread.

4. A metal casting mold as in claim 1, wherein: auxiliary assemblies (4) are arranged on the left side and the right side of the outer walls of the lower die (1) and the upper die (11);

the auxiliary assembly (4) comprises a spherical handle (401), a second sliding block (402), a spring (403), a pinch plate (404) and a vertical cylinder (405);

the utility model discloses a vertical cylinder (405) is located the outer wall left and right sides of bed die (1) and last mould (11) respectively, the inside of vertical cylinder (405) is provided with spring (403), the equal rigid coupling in upper and lower both ends of spring (403) has second slider (402), the equal rigid coupling in outer end of second slider (402) has spherical handle (401), second slider (402) and spherical handle (401) all with vertical cylinder (405) clearance fit, the outer wall outside of spherical handle (401) all closely laminates buckle (404), the inner and bed die (1) and the last mould (11) of buckle (404) are fixed continuous.

5. A metal casting mold as defined in claim 2, wherein: the upper inner wall center of the upper mold (11) is fixedly connected with a vertical pipe (9), and a pouring opening (10) is machined in the center of the inner part of the upper molding sand (8).