CN218310688U

CN218310688U - Mould for casting large box type casting by using precoated sand shell mold

Info

Publication number: CN218310688U
Application number: CN202222615360.5U
Authority: CN
Inventors: 韦磊; 朱孔军
Original assignee: Lianyungang Xinqi Casting Co ltd
Current assignee: Lianyungang Xinqi Casting Co ltd
Priority date: 2022-10-01
Filing date: 2022-10-01
Publication date: 2023-01-17
Anticipated expiration: 2032-10-01

Abstract

The utility model discloses a mould for casting large box castings by using precoated sand shell molds, which belongs to the technical field of casting moulds and aims at solving the problem that the mould dismounting operation is inconvenient due to the installation mode of fixing a mould slide bar by using a limiting bolt; the utility model discloses a portable fastening part's setting has replaced in the traditional art after the draw runner penetrates the sliding frame, adopts the mounting means of bolt-up, and convenient artifical installation to the mould main part, through the setting of unblock part, only need to the push pedal in the mould main part one side flat push unblock part, and two location inserts that supply in the slide just passive atress shrink simultaneously supply the slide inboard, remove the fixed effect to mould main part both sides draw runner, make things convenient for the manual work to dismantle the mould main part.

Description

Mould for casting large box type casting by using precoated sand shell mold

Technical Field

The utility model belongs to the technical field of the casting mould, concretely relates to mould of large-scale box class foundry goods of tectorial membrane sand shell type casting.

Background

In the prior art, when a large box casting is cast, a precoated sand casting mold is often used, the precoated sand casting process is to use precoated sand to make a sand mold consistent with the contour of the casting, and then the sand mold is used as a mold for casting.

A half section tectorial membrane sand mould of patent publication number CN212216983U among the prior art, when above-mentioned patent was on the mould base installation mould, the manual work need be in the draw runner of mould both sides aim at the slip recess that inserts the correspondence on the mould base in, twist the spacing bolt of commentaries on classics after that and lock the draw runner in the slip recess, though the fixed effect of mould on the mould base is guaranteed to this mode, but through the mounting means of spacing bolt fixed draw runner, then cause the manual work when the actual dismouting mould, all need pass through loaded down with trivial details bolt twist the process of changeing, just can realize the fixed of draw runner and unblock, it is comparatively inconvenient to operate, and influence work efficiency.

Therefore, a mold for casting large box castings by using precoated sand shell molds is needed, and the problem that the mold is inconvenient to assemble and disassemble due to the installation mode of fixing the mold slide bars by using the limiting bolts in the prior art is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould of large-scale box class foundry goods of tectorial membrane sand shell type casting to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould of large-scale box class foundry goods of tectorial membrane sand shell type casting, include die holder, level set up in the upper die base and two symmetries of die holder top are fixed in cylinder on the die holder top surface, the flexible end of cylinder with the bottom surface looks rigid coupling of upper die base, and two be provided with two longitudinal symmetry's mould main part between the cylinder, one of them the mould main part with the upper die base can be dismantled continuously, wherein another the mould main part with the die holder can be dismantled continuously, the die holder with equal symmetric fixation has two sliding frames in the one side that the upper die base corresponds, one side of sliding frame is uncovered setting, the mould main part is located two between the sliding frame, slide in the sliding frame inboard be provided with the draw runner of mould main part side looks horizontal rigid coupling, be provided with portable fastening component on the sliding frame, the outside of mould main part still be provided with portable fastening component matched with unblock part.

What need explain in the scheme is that portable fastening element includes that inside is the cavity vertical fixation in supply slide, slide set up in supply the location inserted block in the slide and set up in the fixed slot on the draw runner top surface.

It is further worth explaining that the positioning insertion block is in a right-angle ladder shape, the bevel edge of the positioning insertion block faces towards the opening of the sliding frame, and one end, far away from the opening of the sliding frame, of the sliding strip is in a semi-elliptical shape.

It should be further noted that one end of the positioning insertion block vertically penetrates into the inner side of the fixing groove, and a plurality of compression springs are fixedly connected between the other end of the positioning insertion block and the inner wall of the top end of the sliding seat.

As a preferred embodiment, the unblock part including transversely set up in push pedal, two symmetries of mould main part one side are fixed in the push pedal is just right slide bar and slip in the mould main part one side set up in the epaxial supporting seat of slide bar pole, the supporting seat with the perpendicular rigid coupling in sliding frame top, set up the power supply groove of top inner wall downward sloping in the inner wall of location inserted block, sliding connection has the power supply piece that is the right trapezoid shape on the power supply groove slant inner wall, wear out one side of power supply piece the power slide and with the terminal looks rigid coupling of slide bar.

As a preferred embodiment, a return spring is sleeved on the rod body of the sliding rod, and the return spring is located between the supporting seat and the push plate.

Compared with the prior art, the utility model provides a pair of mould of large-scale box class foundry goods of tectorial membrane sand shell type casting includes following beneficial effect at least:

(1) Through the setting of portable fastening component, guaranteeing under the prerequisite of draw runner inboard fixed effect, can make things convenient for the draw runner at the inboard gliding in-process of draw runner, realize the fastening effect to the draw runner automatically, replaced in the traditional art after the draw runner penetrates the draw runner, adopt the mounting means of bolt-up, save more manpower promptly, greatly convenient manual work again to the installation operation of mould main part.

(2) Through the setting of unblock part, treat the certain time and use, when needing to dismantle the mould main part, the manual work only needs to push away the push pedal in the unblock part to mould main part one side parallel translation, the push pedal alright make two slide bar correspondences penetrate two supply slide inboards, make the hypotenuse of confession power piece continuously to touch confession power groove slant inner wall, form ascending traction force to the location inserted block in two confession slides in step, just passive atress shrink supplies the slide inboardly simultaneously with the location inserted block in these two confession slides, remove the fixed effect to mould main part both sides draw runner, make things convenient for the manual work to dismantle the mould main part.

Drawings

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

FIG. 2 is a schematic structural view of the mold main body and the lower mold base of the present invention;

FIG. 3 is a schematic view of the internal structure of the slide carriage according to the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 of the present invention.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a cylinder; 4. a mold main body; 5. a slide bar; 6. a slide frame; 7. a supply slide seat; 8. positioning the insert block; 9. fixing grooves; 10. a compression spring; 11. a force supply groove; 12. a force supply block; 13. a slide bar; 14. a supporting seat; 15. pushing the plate; 16. a return spring.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a mold for casting large box castings with precoated sand shell mold, which comprises a lower die holder 1, an upper die holder 2 horizontally arranged above the lower die holder 1 and two cylinders 3 symmetrically fixed on the top surface of the lower die holder 1, wherein the telescopic end of the cylinder 3 is fixedly connected with the bottom surface of the upper die holder 2, two mold main bodies 4 which are symmetrically distributed up and down are arranged between the two cylinders 3, one of the mold main bodies 4 is detachably connected with the upper die holder 2, and the other mold main body 4 is detachably connected with the lower die holder 1;

two sliding frames 6 are symmetrically fixed on one corresponding surface of the lower die holder 1 and the upper die holder 2, one side of each sliding frame 6 is open, the die main body 4 is positioned between the two sliding frames 6, sliding strips 5 horizontally and fixedly connected with the side edges of the die main body 4 are slidably arranged in the inner sides of the sliding frames 6, and portable fastening components for fixing the sliding strips 5 are arranged on the sliding frames 6;

the portable fastening component comprises a slide supplying seat 7, a positioning insertion block 8 and a fixing groove 9, wherein the interior of the slide supplying seat 7 is a cavity and is vertically fixed on the top surface of a slide frame 6, the positioning insertion block 8 is arranged in the slide supplying seat 7 in a sliding mode, the fixing groove 9 is formed in the top surface of a slide bar 5, one end of the positioning insertion block 8 vertically penetrates into the inner side of the fixing groove 9 downwards, and a plurality of compression springs 10 are fixedly connected between the other end of the positioning insertion block 8 and the inner wall of the top end of the slide supplying seat 7;

the positioning insertion block 8 is in a right-angle trapezoid shape, the bevel edge of the positioning insertion block 8 faces the opening of the sliding frame 6, and one end, far away from the opening of the sliding frame 6, of the sliding strip 5 is in a semi-elliptic shape;

through the arrangement of the portable fastening components, when the die main body 4 is installed on the lower die holder 1 and the upper die holder 2, the oval end of the slide bar 5 on the side edge of the die main body 4 can be aligned and inserted into the inner sides of the slide frames 6 by manpower, then the die main body 4 is horizontally pushed, so that the slide bar 5 can gradually slide into the inner sides of the slide frames 6, the die main body 4 is gradually arranged between the two slide frames 6, wherein in the process that the slide bar 5 slides on the inner sides of the slide frames 6, the oval end of the slide bar 5 can be connected with the bevel edge of the positioning insertion block 8 in advance, so as to form an extrusion effect on the positioning insertion block 8, the positioning insertion block 8 is extruded, and can be passively contracted into the inner sides of the slide seats 7 and compress the compression springs 10, make pressure spring 10 deformation, treat that draw runner 5 further slides, make fixed slot 9 and location inserted block 8 be in when corresponding the position, location inserted block 8 alright under pressure spring 10 resilience effect, initiatively reset and penetrate in fixed slot 9 inboards, realize the fastening effect to draw runner 5, and then guarantee that draw runner 5 is under the prerequisite of the inboard fixed effect of draw runner 6, make things convenient for draw runner 5 at the inboard gliding in-process of draw runner 6, realize the fastening effect to draw runner 5 automatically, replaced in the traditional art after draw runner 5 penetrates in draw runner 6, adopt the mounting means of bolt-up, save more manpower promptly, the installation operation to mould main part 4 of convenient manual work greatly again.

Further, as shown in fig. 3 and 4, it is worth specifically explaining that an unlocking component which is matched with the portable fastening component and used for releasing the fastening effect of the portable fastening component on the slide bar 5 is further arranged on the outer side of the mold main body 4;

the unlocking part comprises a push plate 15 transversely arranged on one side of the die main body 4, two slide bars 13 symmetrically fixed on one surface of the push plate 15, which is over against the die main body 4, and a support seat 14 arranged on the bar body of the slide bars 13 in a sliding manner, the support seat 14 is fixedly connected with the top end of the slide frame 6 in a vertical manner, a force supply groove 11 with the inner wall of the top end inclined downwards is arranged in the inner wall of the positioning plug block 8, a force supply block 12 in a right-angle ladder shape is connected on the inclined inner wall of the force supply groove 11 in a sliding manner, and one side of the force supply block 12 penetrates through the force supply slide seat 7 and is fixedly connected with the tail end of the slide bar 13;

through the setting of unblock part, treat the certain time and use, when needing to dismantle mould main part 4, the manual work only needs to push away the push pedal 15 in the unblock part to 4 one side pans of mould main part, push pedal 15 alright make two slide bars 13 correspond and penetrate two and supply in the slide 7 is inboard, make the hypotenuse of confession power piece 12 continuously support and touch confession power groove 11 slant inner wall, form ascending traction force to two location inserted blocks 8 that supply in the slide 7 in step, it is just inside that the passive atress of this two location inserted blocks 8 that supply in the slide 7 supplied the slide 7 simultaneously contracts, remove the fixed effect to 4 both sides draw runner 5 of mould main part, make things convenient for manual work to dismantle mould main part 4.

Further, as shown in fig. 3 and fig. 4, it is worth concretely explaining that a return spring 16 is sleeved on the shaft of the sliding rod 13, and the return spring 16 is located between the supporting seat 14 and the push plate 15;

through reset spring 16's setting, when pushing away push pedal 15 to 4 one sides concora crush of mould, push pedal 15 can be at the in-process that promotes slide bar 13, continuously compress reset spring 16, make reset spring 16 deform, then utilize reset spring 16's resilience force, treat that complete mould main part 4 dismantles, release the promotion to push pedal 15, push pedal 15 can be at the 16 resilience force effect of reset spring under slide bar 13 and the confession power piece 12 of initiatively resetting, remove the upwards traction effect of confession power piece 12 to confession power groove 11 fast, make location inserted block 8 initiatively reset, be convenient for mould main part 4's secondary installation.

To sum up: through the setting of portable fastening part, under the prerequisite of guaranteeing the draw 5 at the inboard fixed effect of draw 6, make things convenient for draw 5 at the inboard gliding in-process of draw 6, realize the fastening effect to draw 5 automatically, replaced in the conventional art after draw 5 penetrates draw 6 in the draw, adopt the mounting means of bolt-up, more manpower is saved promptly, the installation operation to mould main part 4 of convenient manual work greatly, through the setting of unblock part, treat the use for a certain time, when needing to dismantle mould main part 4, only need to push away push pedal 15 in the unblock part to mould main part 4 one side flat push, two location inserted block 8 that supply in the slide 7 just passive atress shrink simultaneously supply slide 7 inboard, remove the fixed effect to mould main part 4 both sides draw 5, make things convenient for artifical dismantlement mould main part 4, through the setting of reset spring 16, when pushing away push pedal 15 to mould main part 4 one side flat push away push pedal 15, push pedal 15 can be at the in-process that promotes slide 13, continuously compress reset spring 16, make the deformation of reset spring 16, then utilize the power of reset spring 16, treat the complete release, the push away the push pedal 15 can be convenient for the mould main part 12 and the main part 12 that the active power of the push away after the installation of the push away and the reset spring 12 that the reset that the push away and the reset effect of the push away.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 mould of large-scale box class foundry goods of tectorial membrane sand shell type casting, includes die holder (1), level set up in upper die base (2) and two symmetries of die holder (1) top are fixed in cylinder (3) on die holder (1) top surface, the flexible end of cylinder (3) with the bottom surface looks rigid coupling of upper die base (2), and two be provided with two longitudinal symmetry's mould main part (4) between cylinder (3), one of them mould main part (4) with upper die base (2) can be dismantled and link to each other, another of them mould main part (4) with die holder (1) can be dismantled and link to each other, its characterized in that, die holder (1) with equal symmetry is fixed with two sliding frame (6) in the corresponding one side of upper die base (2), one side of sliding frame (6) is uncovered setting, mould main part (4) are located two between sliding frame (6), slide in sliding frame (6) inboard be provided with sliding strip (5) of mould main part (4) side looks rigid coupling, sliding frame (6) go up be provided with convenient fastening part, the outside still be provided with convenient unblock part spare and unblock spare.

2. The mold for casting the large box type casting by the precoated sand shell mold according to claim 1, wherein: portable fastening element includes that inside is the cavity vertical fixation in confession slide (7), slide set up in supply location inserted block (8) in slide (7) and set up in fixed slot (9) on draw runner (5) top surface on supply slide (6) top surface.

3. The mold for casting the large box type casting by the precoated sand shell mold according to claim 2, characterized in that: location inserted block (8) are right angle trapezoidal form, the hypotenuse orientation of location inserted block (8) the uncovered of smooth frame (6), and draw runner (5) are kept away from the uncovered one end of smooth frame (6) is half ellipse shape.

4. The mold for casting the large box type casting by the precoated sand shell mold according to claim 2, wherein: the one end of location inserted block (8) is vertical penetrates downwards in the inboard of fixed slot (9), the other end of location inserted block (8) with supply that the rigid coupling has a plurality of pressure spring (10) between slide (7) top inner wall.

5. The mold for casting the large box type casting by the precoated sand shell mold according to claim 2, wherein: the unblock part including transversely set up in push pedal (15), two symmetries of mould main part (4) one side are fixed in push pedal (15) are just right slide bar (13) and the slip on mould main part (4) one side set up in support seat (14) on slide bar (13) pole body, support seat (14) with the perpendicular rigid coupling in slide frame (6) top, set up power supply groove (11) of top inner wall downward sloping in the inner wall of location inserted block (8), sliding connection has power supply piece (12) that are right angle ladder shape on power supply groove (11) slant inner wall, wear out one side of power supply piece (12) supply slide (7) and with the terminal looks rigid coupling of slide bar (13).

6. The mold for casting the large box type casting by the precoated sand shell mold according to claim 5, wherein: a return spring (16) is sleeved on the rod body of the sliding rod (13), and the return spring (16) is located between the supporting seat (14) and the push plate (15).