CN215144442U

CN215144442U - Engine cylinder lid casting mold

Info

Publication number: CN215144442U
Application number: CN202120832907.XU
Authority: CN
Inventors: 陈家强; 陈勇; 鲜腾
Original assignee: Chongqing Shunqing Weaving Co ltd
Current assignee: Chongqing Shunqing Weaving Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-14
Anticipated expiration: 2031-04-22

Abstract

The utility model belongs to the technical field of engine cylinder lid mould technique and specifically relates to an engine cylinder lid casting mold that says so, comprises a workbench, the last surface mounting of workstation has the lower bolster, the last surface movable mounting of lower bolster has the cope match-plate pattern, the upper surface of cope match-plate pattern is provided with casting machine and constructs, the both sides of cope match-plate pattern and lower bolster are provided with fixed establishment, be provided with second die cavity in the lower bolster, be provided with first die cavity in the cope match-plate pattern. An engine cylinder lid casting mold, molten iron does not have or few behind the molten iron contact core and flows the molten iron at the core surface and form the solidification layer through core heat absorption cooling fast on the core surface to realized utilizing the solidification layer to keep the core to avoid the hot effort and the external force of follow-up molten iron, also having hindered the inside gas of core and got into the molten iron and form the gas pocket defect, finally obtained the inner chamber and not had sintering, the clay sand, the up-to-standard high-quality cylinder lid of casting defect roughness such as rotten core surface pore-free.

Description

Engine cylinder lid casting mold

Technical Field

The utility model relates to an engine cylinder lid mould technical field particularly, relates to an engine cylinder lid casting mold.

Background

The engine cylinder cover is an important component of an engine, not only has a protection effect on the engine, but also has a relation with whether the engine can normally run, and therefore the processing requirement of the engine cylinder cover is higher, a common engine cylinder cover is formed by pouring a mould, but the casting defects of core sintering, sand sticking, core rotting, air holes and the like can be caused due to overhigh temperature of pouring liquid when the existing engine cylinder cover pouring mould is used, so that the quality of the produced whole cylinder cover cannot reach the standard, and the practicability is lower, so that the engine cylinder cover pouring mould is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an engine cylinder lid casting mold can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an engine cylinder lid casting mold, includes the workstation, the last surface mounting of workstation has the lower bolster, the upper surface movable mounting of lower bolster has the cope match-plate pattern, the upper surface of cope match-plate pattern is provided with pouring mechanism, the both sides of cope match-plate pattern and lower bolster are provided with fixed establishment, be provided with second die cavity in the lower bolster, be provided with first die cavity in the cope match-plate pattern, lower bolster internally mounted has the core, the core sets up the inside at first die cavity and second die cavity.

Preferably, the pouring mechanism comprises an installation box, a pouring gate, a connecting pipe, a conveying pipe and an exhaust pipe, the installation box is fixedly installed on the upper surface of the upper template, and the pouring gate is arranged in the center of the upper end of the installation box.

Preferably, one end of the pouring gate is connected with a connecting pipe, the connecting pipe is arranged inside the installation box, and the other end of the installation box is connected with a conveying pipe.

Preferably, the four corners of the upper surface of the upper template are provided with conveying pipes, and each conveying pipe penetrates through the inner wall of the upper end of the upper template.

Preferably, the four corners of the upper surface of the installation box are provided with exhaust pipes, the other ends of the exhaust pipes are arranged at the upper end of the upper template, and the exhaust pipes sequentially penetrate through the installation box and the inner wall of the upper end of the upper template.

Preferably, the fixing mechanism comprises a first fixing plate, a second fixing plate and fixing holes, the first fixing plates are fixedly mounted at four corners of the outer surface of the bottom of the upper template, the second fixing plates are fixedly mounted at four corners of the outer surface of the top of the lower template, and the fixing holes are formed in the first fixing plate and the second fixing plate.

Preferably, the two ends of the two side surfaces of the upper template are fixedly provided with handle mounting blocks, and a handle is fixedly arranged between the two handle mounting blocks.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) through setting up four first fixed plates of group and second fixed plate, the cooperation precision is high, makes things convenient for going on of pouring work more, can carry out the exhaust work in the cavity through setting up the blast pipe, also can carry out observation control to the quantity of pouring liquid, takes out the case lid after the shaping through setting up the handle convenience, easy operation, convenient to use

(2) After the molten iron contacts the mold core, no or little molten iron flowing on the surface of the mold core absorbs heat and is cooled by the mold core to quickly form a solidified layer on the surface of the mold core, so that the mold core is kept from the thermal acting force and the external force of subsequent molten iron by utilizing the solidified layer, the defect that gas in the mold core enters the molten iron to form air holes is overcome, and finally the high-quality cylinder cover with the standard roughness of casting defects such as no sintering and sand sticking in the inner cavity and no air holes on the outer surface of a rotten core is obtained.

Drawings

Fig. 1 is a schematic view of the overall structure of an engine cylinder head casting mold of the present invention;

FIG. 2 is a side view of the casting mold for the engine cylinder head of the present invention;

FIG. 3 is a top view of the casting mold for an engine cylinder head according to the present invention;

fig. 4 is a schematic cross-sectional view taken along a-a in fig. 2 of a casting mold for an engine cylinder head according to the present invention;

fig. 5 is a schematic sectional view of a portion B-B in fig. 3 of the casting mold for an engine cylinder head of the present invention.

In the figure: 1. a work table; 2. a lower template; 3. mounting a template; 4. a pouring mechanism; 401. installing a box; 402. a pouring gate; 403. a connecting pipe; 404. a delivery pipe; 405. an exhaust pipe; 5. a handle mounting block; 6. a handle; 7. a fixing mechanism; 701. a first fixing plate; 702. a second fixing plate; 703. a fixing hole; 8. a core; 9. a first molding cavity; 10. a second molding cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

Examples

As shown in fig. 1-5, an engine cylinder head casting mold comprises a workbench 1, a lower template 2 is mounted on the upper surface of the workbench 1, an upper template 3 is movably mounted on the upper surface of the lower template 2, a casting mechanism 4 is arranged on the upper surface of the upper template 3, fixing mechanisms 7 are arranged on two sides of the upper template 3 and the lower template 2, a second molding cavity 10 is arranged in the lower template 2, a first molding cavity 9 is arranged in the upper template 3, a mold core 8 is mounted inside the lower template 2, and the mold core 8 is arranged inside the first molding cavity 9 and the second molding cavity 10.

Through the technical scheme, can fix a position fixedly at cope match-plate pattern 3 and lower bolster 2 through setting up first fixed plate 701 and the second fixed plate 702 in cope match-

plate pattern

3 and 2 four corners of lower bolster, through setting up four groups of first fixed plate 701 and second fixed plate 702, the cooperation precision is high, make things convenient for going on of pouring work more, carry pouring liquid through sprue gate 402 and carry out shaping work in cope match-plate pattern 3 and the first molding chamber 9 in the lower bolster 2 and the second molding chamber 10, through setting up four conveyer pipes 404, efficiency is higher when pouring, can carry out the exhaust work in the cavity through setting up blast pipe 405, also can observe control the quantity of pouring liquid, take out the case lid after the shaping through setting up handle 6 convenience, and is simple to operate, and convenient to use.

In this embodiment, the pouring mechanism 4 includes an installation box 401, a pouring gate 402, a connection pipe 403, a delivery pipe 404 and an exhaust pipe 405, the installation box 401 is fixedly installed on the upper surface of the upper mold plate 3, the pouring gate 402 is installed at the center of the upper end of the installation box 401, one end of the pouring gate 402 is connected with the connection pipe 403, the connection pipe 403 is installed inside the installation box 401, the delivery pipe 404 is connected to the other end of the installation box 401, the delivery pipes 404 are installed at four corners of the upper surface of the upper mold plate 3, each delivery pipe 404 penetrates through the inner wall of the upper end of the upper mold plate 3, the exhaust pipes 405 are installed at four corners of the upper surface of the installation box 401, the other end of the exhaust pipe 405 is installed at the upper end of the upper mold plate 3, the exhaust pipes 405 sequentially penetrate through the inner walls of the upper ends of the installation box 401 and the upper mold plate 3, and the pouring liquid is delivered into the first molding cavity 9 and the second molding cavity 10 in the upper mold plate 3 and the lower mold plate 2 through the pouring gate 402 for molding operation, through setting up four conveyer pipes 404, it is higher in efficiency when pouring, can carry out the exhaust work in the cavity through setting up blast pipe 405, also can observe control to the quantity of pouring liquid.

In the application, the fixing mechanism 7 comprises a first fixing plate 701, a second fixing plate 702 and fixing holes 703, the four corners of the outer surface of the bottom of the upper template 3 are fixedly provided with the first fixing plate 701, the four corners of the outer surface of the top of the lower template 2 are fixedly provided with the second fixing plate 702, each of the first fixing plate 701 and the second fixing plate 702 is provided with the fixing hole 703, the two ends of the two side surfaces of the upper template 3 are fixedly provided with handle mounting blocks 5, a handle 6 is fixedly arranged between the two handle mounting blocks 5, the upper template 3 and the lower template 2 can be positioned and fixed through the first fixing plate 701 and the second fixing plate 702 arranged at the four corners of the upper template 3 and the lower template 2, the matching precision is high by arranging the four groups of the first fixing plate 701 and the second fixing plate 702, the pouring work is more convenient, the molded box cover can be conveniently taken out by arranging the handle 6, the use is more convenient.

The working principle of the casting mold for the engine cylinder cover is as follows:

when in use, the upper template 3 and the lower template 2 are positioned and fixed through the first fixing plate 701 and the second fixing plate 702 which are arranged at four corners, so that the upper template 3 is matched with the lower template 2, the matching precision is high by arranging the four groups of the first fixing plate 701 and the second fixing plate 702, the pouring work is more convenient to carry out, the pouring liquid is conveyed into the first forming cavity 9 and the second forming cavity 10 in the upper template 3 and the lower template 2 through the pouring gate 402 for forming work, the efficiency is higher during pouring by arranging the four conveying pipes 404, the exhaust work in the cavities can be carried out by arranging the exhaust pipe 405, the using amount of the pouring liquid can be observed and controlled, the flow and the slag can be controlled by using a closed pouring system, the molten iron enters the open cross runners and the ingates of large cross sections, so that the molten iron free falling body type completely eliminating the dynamic pressure can quickly enter the cavities, molten iron entering the cavity basically forms from top to bottom, is stacked layer by layer, and rises to be full of the cavity, no or little molten iron flowing on the surface of the core forms a solidified layer on the surface of the core 8 after the molten iron contacts the core 8 through heat absorption and cooling of the core, so that the core 8 is kept from the thermal action and external force of subsequent molten iron by utilizing the solidified layer, the defect that gas inside the core 8 enters the molten iron to form air holes is also overcome, and finally, the high-quality cylinder cover with the roughness up to the standard of casting defects such as no sintering and no sand sticking of the inner cavity, no air holes on the outer surface of a rotten core and the like is obtained.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an engine cylinder lid casting mold, includes workstation (1), its characterized in that: the upper surface of workstation (1) installs lower bolster (2), the upper surface movable mounting of lower bolster (2) has cope match-plate pattern (3), the upper surface of cope match-plate pattern (3) is provided with pouring mechanism (4), the both sides of cope match-plate pattern (3) and lower bolster (2) are provided with fixed establishment (7), be provided with second molding chamber (10) in lower bolster (2), be provided with first molding chamber (9) in cope match-plate pattern (3), lower bolster (2) internally mounted has core (8), core (8) set up the inside at first molding chamber (9) and second molding chamber (10).

2. The engine cylinder head casting mold according to claim 1, characterized in that: the pouring mechanism (4) comprises an installation box (401), a pouring gate (402), a connecting pipe (403), a conveying pipe (404) and an exhaust pipe (405), the installation box (401) is fixedly installed on the upper surface of the upper template (3), and the pouring gate (402) is arranged in the center of the upper end of the installation box (401).

3. The engine cylinder head casting mold according to claim 2, characterized in that: one end of the pouring gate (402) is connected with a connecting pipe (403), the connecting pipe (403) is arranged inside the installation box (401), and the other end of the installation box (401) is connected with a conveying pipe (404).

4. The engine cylinder head casting mold according to claim 3, characterized in that: conveying pipes (404) are arranged at four corners of the upper surface of the upper template (3), and each conveying pipe (404) penetrates through the inner wall of the upper end of the upper template (3).

5. The engine cylinder head casting mold according to claim 2, characterized in that: the mounting box is characterized in that exhaust pipes (405) are arranged at four corners of the upper surface of the mounting box (401), the other ends of the exhaust pipes (405) are arranged at the upper end of the upper template (3), and the exhaust pipes (405) sequentially penetrate through the inner walls of the upper ends of the mounting box (401) and the upper template (3).

6. The engine cylinder head casting mold according to claim 1, characterized in that: the fixing mechanism (7) comprises a first fixing plate (701), a second fixing plate (702) and fixing holes (703), wherein the first fixing plate (701) is fixedly installed at four corners of the outer surface of the bottom of the upper template (3), the second fixing plate (702) is fixedly installed at four corners of the outer surface of the top of the lower template (2), and the fixing holes (703) are formed in the first fixing plate (701) and the second fixing plate (702).

7. The engine cylinder head casting mold according to claim 1, characterized in that: both ends on the surface of the two sides of the upper template (3) are fixedly provided with handle installation blocks (5), and a handle (6) is fixedly arranged between the handle installation blocks (5).