CN213134956U

CN213134956U - Spacing support tectorial membrane sand mould

Info

Publication number: CN213134956U
Application number: CN202022030760.0U
Authority: CN
Inventors: 李向阳
Original assignee: Yuzhou Kunlun Mold Co Ltd
Current assignee: Yuzhou Kunlun Mold Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a spacing support tectorial membrane sand mould relates to tectorial membrane sand mould technical field, for solving the loaded down with trivial details and inconvenient problem of removal of current tectorial membrane sand mould die sinking action. The locking frame is provided with two, the upper end of die is provided with first die cavity, the upper end of terrace die is provided with the second die cavity, the both sides of die upper end all are provided with first locating hole, the both sides of terrace die upper end all are provided with first locating pin, the internally mounted in first locating hole has high elastic spring, and high elastic spring and first locating hole fixed connection, the upper end of die and terrace die all is provided with waters, two the locking frame is located the outside both sides of die and terrace die respectively, the inboard of locking frame is provided with the recess, the upper end of locking frame is provided with locking bolt, and locking bolt is provided with two, and locking bolt threaded connection.

Description

Spacing support tectorial membrane sand mould

Technical Field

The utility model relates to a tectorial membrane sand mold technical field specifically is a spacing support tectorial membrane sand mold.

Background

Precoated sand, namely: the surface of sand grain is covered with a layer of molding sand or core sand of solid resin film before modeling, the precoated sand mould heats a metal template or a core box to a specified temperature to ensure that resin in the precoated sand is heated and softened, melted and hardened, and the precoated sand mould is the novel precoated sand which is produced by a special process formula skill and has excellent high-temperature function (high strength at high temperature, long heat-resisting time, small thermal expansion amount and low gas evolution amount) and comprehensive casting function. The precoated sand is especially suitable for the production of complex thin-wall iron castings (such as car engine cylinder bodies, cylinder covers and the like) and high-requirement steel castings (such as container corners, train brake buffers, middle shell parts and the like), and can eliminate the casting defects of sand sticking, deformation, heat cracking, air holes and the like. The casting has the advantages of bright appearance, accurate dimension, reduced or no need of machining, shortened production cycle, saved metal material, reduced cost, complex structure of the limiting bracket, higher product requirement as an important casting, and higher specification of the surface and precision of a workpiece.

However, the existing precoated sand mold is complicated in mold opening action and inconvenient to move, so that the existing requirement is not met, and the limiting bracket precoated sand mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spacing support tectorial membrane sand mould to solve the loaded down with trivial details and inconvenient problem of removal of current tectorial membrane sand mould die sinking action that provides among 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 spacing support tectorial membrane sand mould, includes die, terrace die and locking frame, the locking frame is provided with two, the upper end of die is provided with first die cavity, the upper end of terrace die is provided with the second die cavity, the both sides of die upper end all are provided with first locating hole, the both sides of terrace die upper end all are provided with first locating pin, the internally mounted in first locating hole has high elastic spring, and high elastic spring and first locating hole fixed connection, the upper end of die and terrace die all is provided with waters.

Preferably, the two locking frames are respectively located on two sides of the outer portions of the female die and the male die, grooves are formed in the inner sides of the locking frames, two locking bolts are arranged at the upper ends of the locking frames and are in threaded connection with the locking bolts.

Preferably, the lower extreme of locking frame is provided with the ball, and the ball is provided with three, and ball and locking frame roll connection.

Preferably, a plurality of radiating fins are arranged on the outer sides of the female die and the male die and are welded with the female die and the male die.

Preferably, a plurality of heating holes are formed in the female die and the male die.

Preferably, the corners of the upper end of the female die are provided with second positioning holes, the corners of the upper end of the male die are provided with second positioning pins, the two sides of the upper end of the female die are provided with third positioning holes, the two sides of the upper end of the male die are provided with third positioning pins, and the number of the second positioning holes, the number of the second positioning pins, the number of the third positioning holes and the number of the third positioning pins are four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first locating pin embedding first locating hole, second locating pin embedding second locating hole, third locating pin embedding third locating hole plays multiple guide effect, realize the accurate compound die of die and terrace die, rotate the locking bolt of locking frame upper end again and carry out the pressfitting to die and terrace die, guarantee the compound die quality of die and terrace die, high elasticity spring is compressed this moment, when finishing carrying out the die sinking as the shaping, only need the antiport locking bolt, remove the pressure resultant force of locking bolt to die and terrace die, high elasticity spring can receive self elasticity effect resilience to reset, ejecting first locating pin, accomplish the die sinking action of die and terrace die promptly, the die sinking mode is simple high-efficient, and high elasticity spring adopts high temperature resistant type spring, can use for a long time and do not damage, the locking frame can be dismantled alone and use.

2. The utility model discloses a ball and locking frame roll connection, when needs remove whole mould, only need apply in an external force of mould and can remove the mould easily, remove convenient and simple structure.

3. The utility model discloses a plurality of radiating fin in the die and the terrace die outside can carry out rapid cooling to the mould after the stop heating on the one hand, and on the other hand can improve the degree of consistency that die and terrace die were heated when the heating to shorten heat time.

Drawings

FIG. 1 is a schematic structural view of a female die and a male die of the present invention;

FIG. 2 is a connection diagram of the female die, the male die and the locking frame of the present invention;

fig. 3 is a schematic structural view of the locking frame of the present invention.

In the figure: 1. a female die; 2. a male die; 3. a first cavity; 4. a second cavity; 5. a first positioning hole; 6. a first positioning pin; 7. a high-elasticity spring; 8. a locking frame; 9. a groove; 10. locking the bolt; 11. a ball bearing; 12. a heat dissipating fin; 13. heating the hole; 14. a pouring channel; 15. a second positioning hole; 16. a second positioning pin; 17. a third positioning hole; 18. and a third positioning pin.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a limiting bracket precoated sand mold comprises a female mold 1, a male mold 2 and two locking frames 8, wherein the two locking frames 8 are arranged, a first cavity 3 is arranged at the upper end of the female mold 1, a second cavity 4 is arranged at the upper end of the male mold 2, first positioning holes 5 are formed in two sides of the upper end of the female mold 1, first positioning pins 6 are arranged in two sides of the upper end of the male mold 2, a high-elasticity spring 7 is arranged in each first positioning hole 5, the high-elasticity spring 7 is fixedly connected with the first positioning hole 5, a pouring gate 14 is arranged at the upper ends of the female mold 1 and the male mold 2, sand is injected into the mold through the pouring gate 14 by a sand injector, a heating rod in each heating hole 13 is heated to enable precoated sand to be fused to form a sand shell, the mold is opened after molding, only the locking bolt 10 needs to be rotated reversely, the pressing force of the locking bolt 10 on the female mold 1 and the male, and (3) ejecting the first positioning pin 6, namely completing the die opening action of the female die 1 and the male die 2, wherein the die opening mode is simple and efficient.

Further, two locking frames 8 are respectively located the outside both sides of die 1 and terrace die 2, and the inboard of locking frame 8 is provided with recess 9, and the upper end of locking frame 8 is provided with locking bolt 10, and locking bolt 10 is provided with two, and locking bolt 10 threaded connection, rotate locking bolt 10 on the locking frame 8 and carry out the pressfitting to die 1 and terrace die 2, guarantee the compound die quality of die 1 and terrace die 2.

Further, the lower extreme of locking frame 8 is provided with ball 11, and ball 11 is provided with threely, and ball 11 and locking frame 8 roll connection, when needs move the whole mould, only need apply in the mould an external force can remove the mould easily, and it is convenient and simple structure to remove.

Further, the outside of die 1 and terrace die 2 all is provided with a plurality of radiating fin 12, and radiating fin 12 and die 1 and the equal welded connection of terrace die 2, radiating fin 12 can carry out rapid cooling to die 1 and terrace die 2 after the stop heating on the one hand, and on the other hand can improve the degree of consistency that die 1 and terrace die 2 were heated when the heating to shorten whole heat time.

Further, the inside of die 1 and terrace die 2 all is provided with a plurality of heated portholes 13, and the heating rod heating of heated porthole 13 inside makes the tectorial membrane sand fuse and forms the sand shell.

Further, the edge of the upper end of the female die 1 is provided with a second positioning hole 15, the edge of the upper end of the male die 2 is provided with a second positioning pin 16, the two sides of the upper end of the female die 1 are provided with third positioning holes 17, the two sides of the upper end of the male die 2 are provided with third positioning pins 18, the second positioning holes 15, the second positioning pins 16, the third positioning holes 17 and the third positioning pins 18 are provided with four positioning holes, multiple guiding effects during die assembly are achieved, and accurate die assembly of the female die 1 and the male die 2 is achieved.

The working principle is as follows: when the mould is used, the first positioning pin 6 is embedded into the first positioning hole 5, the second positioning pin 16 is embedded into the second positioning hole 15, the third positioning pin 18 is embedded into the third positioning hole 17, so that a multi-guide effect in mould assembly is achieved, accurate mould assembly of the female mould 1 and the male mould 2 is achieved, the female mould 1 and the male mould 2 are located between the two locking frames 8, two ends of the female mould 1 and the male mould 2 are arranged inside the groove 9, then the locking bolt 10 at the upper end of the locking frame 8 is rotated to press the female mould 1 and the male mould 2, so that the mould assembly quality of the female mould 1 and the male mould 2 is ensured, the high-elasticity spring 7 is compressed at the moment, then the sand injector injects sand into the mould through the runner 14, the heating rod inside the heating hole 13 is heated to enable coated sand to be fused to form a sand shell, the mould is opened after forming, only the locking bolt 10 needs to be rotated reversely, the pressing, high elastic spring 7 can be restituted by self elastic action resilience, ejecting first locating pin 6, accomplish the die sinking action of die 1 and terrace die 2 promptly, the die sinking mode is simple high-efficient, and high elastic spring 7 adopts high temperature resistant type spring, can use for a long time and do not damage, because ball 11 and locking frame 8 roll connection, when needs move the whole mould, only need apply in an external force of mould and can remove the mould easily, it is convenient and simple in structure to remove, because be provided with a plurality of radiating fin 12 in the outside of die 1 and terrace die 2, radiating fin 12 can carry out rapid cooling to die 1 and terrace die 2 after stopping heating on the one hand, on the other hand can improve the degree of consistency that die 1 and terrace die 2 were heated when heating, and shorten the whole heating time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a spacing support tectorial membrane sand mould, includes die (1), terrace die (2) and locking frame (8), its characterized in that: locking frame (8) are provided with two, the upper end of die (1) is provided with first die cavity (3), the upper end of terrace die (2) is provided with second die cavity (4), the both sides of die (1) upper end all are provided with first locating hole (5), the both sides of terrace die (2) upper end all are provided with first locating pin (6), the internally mounted of first locating hole (5) has high elastic force spring (7), and high elastic force spring (7) and first locating hole (5) fixed connection, the upper end of die (1) and terrace die (2) all is provided with waters (14).

2. The limiting stent precoated sand mold according to claim 1, characterized in that: two locking frame (8) are located the outside both sides of die (1) and terrace die (2) respectively, the inboard of locking frame (8) is provided with recess (9), the upper end of locking frame (8) is provided with locking bolt (10), and locking bolt (10) are provided with two, and locking bolt (10) threaded connection.

3. The limiting stent precoated sand mold according to claim 1, characterized in that: the lower extreme of locking frame (8) is provided with ball (11), and ball (11) are provided with threely, and ball (11) and locking frame (8) roll connection.

4. The limiting stent precoated sand mold according to claim 1, characterized in that: the heat dissipation device is characterized in that a plurality of heat dissipation fins (12) are arranged on the outer sides of the female die (1) and the male die (2), and the heat dissipation fins (12) are welded with the female die (1) and the male die (2).

5. The limiting stent precoated sand mold according to claim 1, characterized in that: and a plurality of heating holes (13) are formed in the female die (1) and the male die (2).

6. The limiting stent precoated sand mold according to claim 1, characterized in that: the corner department of die (1) upper end all is provided with second locating hole (15), the corner department of terrace die (2) upper end all is provided with second locating pin (16), the both sides of die (1) upper end all are provided with third locating hole (17), the both sides of terrace die (2) upper end all are provided with third locating pin (18), and second locating hole (15), second locating pin (16), third locating hole (17) and third locating pin (18) all are provided with four.