CN211437998U - Casting mold capable of preventing casting defects - Google Patents

Abstract

The utility model discloses a prevent casting mould of casting defect, the on-line screen storage device comprises a base, lower bolster top central point puts fixedly connected with die, die top central point puts and is provided with the die cavity of undercut, be provided with telescopic link and telescopic link top in the telescopic cylinder and upwards extend, fixed block bottom fixedly connected with cope match-plate pattern, cope match-plate pattern bottom fixedly connected with terrace die, the terrace die bottom is provided with the core corresponding with the die cavity, the interior upper portion of pouring gate is provided with the filter screen. The utility model discloses in, the alloy liquid is got rid of impurity and foreign matter are whole after the filtration of filter screen, and the work piece quality is better, and the yield is also higher, and work through telescopic cylinder makes cope match-plate pattern and lower bolster inter combination moreover to carry out the centre gripping after combining, very big reduction the emergence that the casting work piece warp or crackle, make the yield increase, production efficiency also increases, is worth wideling popularize.

Description

Casting mold capable of preventing casting defects

Technical Field

The utility model relates to a casting molding field especially relates to a prevent casting mold of casting defect.

Background

The casting mold is to obtain the structural shape of a part, make the structural shape of the part with other easily-formed materials in advance, then put the mold into a sand mold, so that a cavity with the same structural size as the part is formed in the sand mold, then pour a fluid liquid into the cavity, after the liquid is cooled and solidified, the part with the same shape and structure as the mold can be formed, and common casting molds are divided into common manual molding, common wood models, plastic models, multipurpose metal models for mechanical molding and the like.

The casting mold industry in China has made great progress through continuous development for many years, but the development still has a lot of problems, the traditional casting mold often has the situation that impurities and foreign matters such as coating, molding materials or refractory materials are mixed into casting mold alloy liquid in the casting process, the surface or the inside of a cast workpiece is different from the original components, the quality of the cast workpiece is seriously influenced, or the situation that the cast workpiece is deformed or even cracks are generated due to insufficient close fit of a female mold and a male mold of the casting mold is caused, the yield of the cast workpiece is reduced, the yield is reduced, and the production efficiency is low.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a casting mold for preventing casting defects.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent casting mould of casting defect, includes the base, base top one end fixedly connected with lower bolster, lower bolster top central point puts fixedly connected with die, die top central point puts and is provided with the die cavity of undercut, base top other end fixedly connected with telescopic cylinder, be provided with telescopic link and telescopic link top in the telescopic cylinder and upwards extend, the telescopic link top is provided with the fixed block, fixed block bottom fixedly connected with cope match-plate pattern, cope match-plate pattern bottom fixedly connected with terrace die, the terrace die bottom is provided with the core corresponding with the die cavity, cope match-plate pattern top one end fixedly connected with connecting block, be provided with the sprue gate in the connecting block, upper portion is provided with the filter screen in the sprue gate, sprue gate lower extreme fixedly connected with runner pipe.

As a further description of the above technical solution:

and guide columns are fixedly connected to two ends of the top of the lower template.

As a further description of the above technical solution:

and the two ends of the bottom of the upper template are fixedly connected with guide sleeves corresponding to the guide pillars.

As a further description of the above technical solution:

and one end of the top of the fixed block is provided with a mounting groove.

As a further description of the above technical solution:

the top of the telescopic rod is provided with a screw hole corresponding to the mounting groove.

As a further description of the above technical solution:

the mounting groove and the screw hole are connected with bolts in an internal thread mode.

As a further description of the above technical solution:

the circulation pipeline penetrates through the upper template, the male die and the upper end and the lower end of the mold core.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first start telescopic cylinder makes the telescopic link move down, and stimulate the fixed block and move down, and then drive the cope match-plate pattern and also move down, make the guide pin bushing move and combine toward the guide pillar direction, the terrace die removes and makes the core combine with the die cavity to the die direction simultaneously, after terrace die and die connection are inseparable, pour into molten alloy liquid from the sprue gate, impurity and foreign matter in the filter screen with alloy liquid filter back, pure alloy liquid just can follow the circulation pipeline and flow into the die cavity and cool off the shaping, because the alloy liquid of casting work piece is whole to be got rid of impurity and foreign matter after the filtration of filter screen, make alloy liquid purer, the cast work piece composition also more meets the requirements, the work piece quality is better, the yield is also higher.

2. The utility model discloses in, work through telescopic cylinder makes cope match-plate pattern and lower bolster inter combination to carry out the centre gripping after combining, can make die and terrace die inter combination inseparable, very big reduction the emergence that the casting work piece warp or crackle, make the yield increase, production efficiency also increases, is worth wideling popularize.

Drawings

Fig. 1 is a schematic structural diagram of a casting mold for preventing casting defects according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Illustration of the drawings:

1. a base; 2. a lower template; 3. a female die; 4. mounting a template; 5. a male die; 6. a cavity; 7. a core; 8. a guide sleeve; 9. a guide post; 10. a telescopic cylinder; 11. a telescopic rod; 12. a fixed block; 13. mounting grooves; 14. a screw hole; 15. a bolt; 16. connecting blocks; 17. a pouring gate; 18. a filter screen; 19. and (4) a circulating pipeline.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a casting mold for preventing casting defects comprises a base 1, wherein one end of the top of the base 1 is fixedly connected with a lower template 2, the central position of the top of the lower template 2 is fixedly connected with a female mold 3, the central position of the top of the female mold 3 is provided with a cavity 6 which is sunken downwards, the lower template 2 and an upper template 4 are arranged oppositely to each other, the female mold 3 and a male mold 5 are enabled to correspond to each other, the cavity 6 and a mold core 7 are enabled to correspond to each other when the lower template and the male mold are connected, the other end of the top of the base 1 is fixedly connected with a telescopic cylinder 10, a telescopic rod 11 is arranged in the telescopic cylinder 10, the top end of the telescopic rod 11 extends upwards, the top end of the telescopic rod 11 is provided with a fixed block 12, the bottom of the fixed block 12 is fixedly connected with an upper template 4, the telescopic cylinder 10 is, thereby make core 7 insert in the die cavity 6, cope match-plate pattern 4 bottom fixedly connected with terrace die 5, terrace die 5 bottom is provided with core 7 corresponding with die cavity 6, cope match-plate pattern 4 top one end fixedly connected with connecting block 16, be provided with sprue gate 17 in the connecting block 16, upper portion is provided with filter screen 18 in the sprue gate 17, sprue gate 17 lower extreme fixedly connected with circulation pipeline 19, pour into molten alloy liquid from sprue gate 17 into, filter screen 18 can filter impurity and foreign matter such as coating, molding material or refractory material in the alloy liquid, pure alloy liquid rethread circulation pipeline 19 flows into the cavity internal cooling shaping that die cavity 6 and core 7 constitute after filtering.

The two ends of the top of the lower template 2 are fixedly connected with guide posts 9, the two ends of the bottom of the upper template 4 are fixedly connected with guide sleeves 8 corresponding to the guide posts 9, the guide posts 9 can be just inserted into the guide sleeves 8, the male die 5 and the female die 3 can keep the relative position of the upper die plate 4 and the lower die plate 2 fixed in the process of mutually combining through the guide post 9 and the guide sleeve 8, one end of the top of the fixed block 12 is provided with a mounting groove 13, the top of the telescopic rod 11 is provided with a screw hole 14 corresponding to the mounting groove 13, in addition, the mounting groove 13 and the screw hole 14 are internally connected with a bolt 15 through threads, the bolt 15 is connected with the mounting groove 13 and the screw hole 14 in sequence, one end of the fixed block 12 and the top end of the telescopic rod 11 can be fixedly connected with each other, a circulating pipeline 19 penetrates through the upper end and the lower end of the upper template 4, the male die 5 and the core 7, the alloy liquid thus poured can flow into the cavity 6 from the outlet at the bottom end of the core 7 through the flow conduit 19.

The working principle is as follows: the method comprises the steps that firstly, a telescopic cylinder 10 is started to enable a telescopic rod 11 to move downwards, a fixing block 12 is pulled to move downwards, then a male die 5 and a guide sleeve 8 are driven to move downwards through an upper die plate 4, the guide sleeve 8 moves towards a guide post 9 and is combined with the guide post, meanwhile, the male die 5 moves towards a female die 3 and enables a mold core 7 to be inserted into a mold cavity 6, after the male die 5 and the female die 3 are tightly connected with each other, molten alloy liquid is injected from a pouring gate 17, after impurities and foreign matters in the alloy liquid are filtered by a filter screen 18, pure alloy liquid can flow into the mold cavity 6 through a circulation pipeline 19 to be cooled and.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. A casting mold for preventing casting defects, comprising a base (1), characterized in that: the die is characterized in that one end of the top of the base (1) is fixedly connected with a lower template (2), the central position of the top of the lower template (2) is fixedly connected with a female die (3), the central position of the top of the female die (3) is provided with a cavity (6) which is sunken downwards, the other end of the top of the base (1) is fixedly connected with a telescopic cylinder (10), a telescopic rod (11) is arranged in the telescopic cylinder (10), the top end of the telescopic rod (11) extends upwards, a fixed block (12) is arranged at the top end of the telescopic rod (11), the bottom of the fixed block (12) is fixedly connected with an upper template (4), the bottom of the upper template (4) is fixedly connected with a male die (5), a core (7) corresponding to the cavity (6) is arranged at the bottom of the male die (5), a connecting block (, a filter screen (18) is arranged at the inner upper part of the pouring gate (17), and a circulation pipeline (19) is fixedly connected to the lower end of the pouring gate (17).

2. The casting mold for preventing casting defects according to claim 1, wherein: and guide posts (9) are fixedly connected to both ends of the top of the lower template (2).

3. The casting mold for preventing casting defects according to claim 1, wherein: and both ends of the bottom of the upper template (4) are fixedly connected with guide sleeves (8) corresponding to the guide pillars (9).

4. The casting mold for preventing casting defects according to claim 1, wherein: and one end of the top of the fixing block (12) is provided with a mounting groove (13).

5. The casting mold for preventing casting defects according to claim 1, wherein: the top of the telescopic rod (11) is provided with a screw hole (14) corresponding to the mounting groove (13).

6. The casting mold for preventing casting defects according to claim 5, wherein: and the mounting groove (13) and the screw hole (14) are internally connected with a bolt (15) in a threaded manner.

7. The casting mold for preventing casting defects according to claim 1, wherein: the circulation pipeline (19) penetrates through the upper end and the lower end of the upper template (4), the male die (5) and the mold core (7).

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