CN212704302U

CN212704302U - Pouring mold with cylinder demoulding structure

Info

Publication number: CN212704302U
Application number: CN202021189105.3U
Authority: CN
Inventors: 朱月中
Original assignee: Shanghai Zhong Zhen Nonferrous Metal Casting Co ltd
Current assignee: Shanghai Zhong Zhen Nonferrous Metal Casting Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-16
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a casting die with cylinder demoulding structure, including roof, upper die base, last mould, support, cylinder, fore-set, first spacing piece, first spring, lower mould, base, die holder, cooling chamber, communicating pipe, three-way pipe, back flow, backward flow valve, filling tube, filling valve, liquid pump, feed liquor pipe, tube cap, support column, backup pad, pneumatic cylinder, take off material pole, the spacing piece of second, second spring, coolant liquid case and observation window. The two cylinders are symmetrically arranged on the two sides of the upper die, and the ejection column arranged in a matching way can effectively perform demoulding, so that the problem that demoulding cannot be performed due to insufficient demoulding mechanisms arranged in the existing low-pressure casting machine is solved; through setting up the cooling chamber in the inside of lower mould to pour into the coolant liquid into to the cooling intracavity, can effectual absorption lower mould heat, thereby shorten the cooling time of mould, promote manufacturing efficiency, solved the condition that lower mould cooling time overlength and extension preparation cycle.

Description

Pouring mold with cylinder demoulding structure

Technical Field

The utility model relates to the technical field of mold, specifically be a casting mold with cylinder demoulding structure.

Background

The low-pressure casting machine is general equipment for low-pressure casting of aluminum alloy, and can be widely applied to the production of aluminum alloy castings in automobiles, motorcycles, instruments, textile machinery and aerospace industries. The low-pressure casting machine consists of a main machine, a hydraulic system, a molten pool type heat preserving furnace, a liquid level pressurizing device, an electrical control system, a mold cooling system and the like.

The existing low-pressure casting machine is limited in the number of the installed demoulding mechanisms, so that the situation that a finished product cannot ascend along with an upper die to finish demoulding is often caused, and production is influenced; in addition, the lower die used by the low-pressure casting machine is generally influenced by the furnace cover of the holding furnace, so that the heat dissipation speed of the lower die is low, and the production time is greatly prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casting mold with cylinder demoulding structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pouring mold with a cylinder demoulding structure comprises a demoulding mechanism and a cooling mechanism;

the demolding mechanism comprises a top plate, an upper die holder, an upper die, supports and cylinders, wherein the bottom of the top plate is fixedly connected with the upper die holder, the bottom of the upper die holder is fixedly connected with the upper die, two sides of the upper die are symmetrically and fixedly connected with two identical cylinders through a plurality of supports, inner walls of two sides of the upper die are movably sleeved with ejection columns, one ends of the ejection columns, which are arranged outside the upper die, are fixedly connected with first limiting plates, the surfaces of the ejection columns, which are arranged outside the upper die, are movably sleeved with first springs, and the first limiting plates and the upper die are mutually and elastically connected through the first springs;

the cooling mechanism comprises a lower die, a base, a lower die holder, a cooling cavity and a communicating pipe, wherein the lower die holder is fixedly connected to the top of the base, the lower die is fixedly connected to the top of the lower die, the cooling cavity is formed in the lower die, the communicating pipe is communicated with the two ends of the cooling cavity, the tail end of the communicating pipe is communicated with and installed at a first port of a three-way pipe, a return pipe is communicated with and installed at a second port of the three-way pipe, the bottom end of the return pipe is communicated and installed at the top of a cooling liquid tank, an injection pipe is communicated and installed at a third port of the three-way pipe, the bottom end of the injection pipe penetrates through the top of the cooling liquid tank and is arranged in the cooling liquid tank, and the injection pipe is.

Preferably, four same support columns are symmetrically and fixedly connected to four corners of the top of the base, and the top ends of the four support columns respectively penetrate through the four corners of the top plate in a movable manner and are fixedly connected to the bottom of the support plate.

Preferably, the top of the supporting plate is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder penetrates through the supporting plate and is fixedly connected to the top surface of the top plate.

Preferably, four same stripping rods are sleeved in the inner symmetrical movement of the upper die, four stripping rods sequentially penetrate through the upper die base and the top plate from bottom to top and are arranged above the top plate, one end of each stripping rod above the top plate is fixedly connected with a second limiting piece, a second spring is sleeved on the surface of each stripping rod above the top plate in a movable mode, and the second limiting pieces are elastically connected with the top plate through the second springs.

Preferably, a backflow valve is installed on the surface of the backflow pipe in a communication mode, and an injection valve is installed on the surface of the injection pipe in a communication mode.

Preferably, a liquid inlet pipe is installed on one side of the top of the cooling liquid tank in a communicated mode, a pipe cover is installed on the top of the liquid inlet pipe in a communicated mode, and an observation window is installed in the side wall of the cooling liquid tank in an embedded mode.

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

(1) the two cylinders are symmetrically arranged on the two sides of the upper die, and the ejection column arranged in a matching way can effectively perform demoulding, so that the problem that demoulding cannot be performed due to insufficient demoulding mechanisms arranged in the existing low-pressure casting machine is solved;

(2) through setting up the cooling chamber in the inside of lower mould to pour into the coolant liquid into to the cooling intracavity, can effectual absorption lower mould heat, thereby shorten the cooling time of mould, promote manufacturing efficiency, solved the condition that lower mould cooling time overlength and extension preparation cycle.

Drawings

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion of the structure in fig. 1.

In the figure: 1. the device comprises a top plate, 2, an upper die holder, 3, an upper die, 4, a support, 5, a cylinder, 6, a top column, 7, a first limiting sheet, 8, a first spring, 9, a lower die, 10, a base, 11, a lower die holder, 12, a cooling cavity, 13, a communicating pipe, 14, a three-way pipe, 15, a return pipe, 16, a return valve, 17, an injection pipe, 18, an injection valve, 19, a liquid pump, 20, a liquid inlet pipe, 21, a pipe cover, 22, a support column, 23, a support plate, 24, a hydraulic cylinder, 25, a stripping rod, 26, a second limiting sheet, 27, a second spring, 28, a cooling liquid tank, 29 and an observation window.

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. 1-3, the present invention provides an embodiment: a pouring mold with a cylinder demoulding structure comprises a demoulding mechanism and a cooling mechanism;

the demolding mechanism comprises a top plate 1, an upper die base 2, an upper die 3, supports 4 and cylinders 5, wherein the bottom of the top plate 1 is fixedly connected with the upper die base 2, the bottom of the upper die base 2 is fixedly connected with the upper die 3, two sides of the upper die 3 are symmetrically and fixedly connected with two identical cylinders 5 through a plurality of supports 4, inner walls of two sides of the upper die 3 are movably sleeved with ejection columns 6, one ends of the ejection columns 6, which are arranged outside the upper die 3, are fixedly connected with first limiting pieces 7, the surfaces of the ejection columns 6, which are arranged outside the upper die 3, are movably sleeved with first springs 8, and the first limiting pieces 7 are mutually and elastically connected with the upper die 3 through the first springs 8;

the cooling mechanism comprises a lower die 9, a base 10, a lower die holder 11, a cooling cavity 12 and a communicating pipe 13, wherein the lower die holder 11 is fixedly connected to the top of the base 10, the lower die 9 is fixedly connected to the top of the lower die holder 11, the cooling cavity 12 is formed in the lower die 9, the communicating pipes 13 are respectively communicated and installed at two ends of the cooling cavity 12, the tail ends of the communicating pipes 13 are communicated and installed at a first port of a three-way pipe 14, a second port of the three-way pipe 14 is communicated and installed with a return pipe 15, the bottom end of the return pipe 15 is communicated and installed at the top of a cooling liquid tank 28, a third port of the three-way pipe 14 is communicated and installed with an injection pipe 17, the bottom end of the injection pipe 17 penetrates through the top of the cooling liquid tank 28 and is placed in the cooling liquid tank 28, and one end of the injection pipe;

specifically, four identical support columns 22 are symmetrically and fixedly connected to four corners of the top of the base 10, and top ends of the four support columns 22 respectively movably penetrate through the four corners of the top plate 1 and are fixedly connected to the bottom of the support plate 23;

specifically, the top of the support plate 23 is fixedly connected with a hydraulic cylinder 24, and the output end of the hydraulic cylinder 24 movably penetrates through the support plate 23 and is fixedly connected to the top surface of the top plate 1;

specifically, four identical stripping rods 25 are symmetrically movably sleeved in the upper die 3, the four stripping rods 25 sequentially and movably penetrate through the upper die base 2 and the top plate 1 from bottom to top and are arranged above the top plate 1, one end of each stripping rod 25, which is arranged above the top plate 1, is fixedly connected with a second limiting piece 26, a second spring 27 is movably sleeved on the surface of each stripping rod 25, which is arranged above the top plate 1, and the second limiting pieces 26 are elastically connected with the top plate 1 through the second springs 27;

specifically, a reflux valve 16 is installed on the surface of the reflux pipe 15 in a communicating manner, and an injection valve 18 is installed on the surface of the injection pipe 17 in a communicating manner;

specifically, feed liquor pipe 20 is installed in the top one side intercommunication of coolant liquid case 28, the tube cap 21 is installed in the top intercommunication of feed liquor pipe 20, embedded observation window 29 of installing of the lateral wall of coolant liquid case 28.

The working principle is as follows: in the demoulding stage when in use, the two air cylinders 5 press the two ejection columns 6 to move, the finished product is clamped by the two ejection columns 6, when the hydraulic cylinder 24 drives the upper die 3 to ascend, the finished product ascends along with the upper die, so that the situation that the finished product cannot ascend along with the upper die 3 is prevented, finally, after a forklift for transferring or other transferring devices are in place, the top plate 1 continues to ascend, and the finished product is ejected out through the stripping rod 25, so that demoulding is completed;

in the use process, cooling liquid is injected into the cooling liquid tank 28 on the left side, the injection valve 18 on the left side is opened, the return valve 16 on the left side is closed, the injection valve 18 on the right side is closed by opening the return valve 16 on the right side, when cooling is needed, the liquid pump 19 on the right side is opened, the cooling liquid is injected into the cooling cavity 12 by the liquid pump 19, heat is taken away, and finally the cooling liquid flows into the cooling liquid tank 28 on the right side, finally, the injection valve 18 on the right side is opened, the return valve 16 on the right side is closed, the return valve 16 on the left side is opened, the injection valve 18 on the left side is closed, the liquid pump 19 on the right side is opened, the cooling liquid in the cooling liquid tank 28 on the right side flows back to the inside of the cooling cavity 12, and the cooling liquid flows back.

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 pour mould with cylinder demoulding structure which characterized in that: comprises a demoulding mechanism and a cooling mechanism;

the demolding mechanism comprises a top plate (1), an upper die base (2), an upper die (3), a support (4) and cylinders (5), wherein the upper die base (2) is fixedly connected to the bottom of the top plate (1), the upper die (3) is fixedly connected to the bottom of the upper die base (2), two identical cylinders (5) are symmetrically and fixedly connected to the two sides of the upper die (3) through a plurality of supports (4), a top column (6) is movably sleeved on the inner walls of the two sides of the upper die (3), a first limiting sheet (7) is fixedly connected to one end, arranged outside the upper die (3), of the top column (6), a first spring (8) is movably sleeved on the surface, arranged outside the upper die (3), of the top column (6), and the first limiting sheet (7) and the upper die (3) are mutually and elastically connected through the first spring (8);

the cooling mechanism comprises a lower die (9), a base (10), a lower die holder (11), a cooling cavity (12) and a communicating pipe (13), wherein the lower die holder (11) is fixedly connected to the top of the base (10), the lower die (9) is fixedly connected to the top of the lower die holder (11), the cooling cavity (12) is formed in the lower die (9), the communicating pipe (13) is arranged at each of two ends of the cooling cavity (12) in a communicating mode, the tail end of the communicating pipe (13) is communicated and arranged at a first port of a three-way pipe (14), a second port of the three-way pipe (14) is communicated and arranged with a return pipe (15), the bottom end of the return pipe (15) is communicated and arranged at the top of the cooling liquid tank (28), an injection pipe (17) is communicated and arranged at a third port of the three-way pipe (14), the bottom end of the injection pipe (17) penetrates through the top of the cooling liquid, the injection pipe (17) is arranged at one end inside the cooling liquid tank (28) and is communicated with the water outlet end of the liquid pump (19).

2. The casting mold with the cylinder demoulding structure according to claim 1, wherein: four same support columns (22) are symmetrically and fixedly connected to four corners of the top of the base (10), and the top ends of the four support columns (22) respectively penetrate through the four corners of the top plate (1) in a movable mode and are fixedly connected to the bottom of the support plate (23).

3. The casting mold with the cylinder demoulding structure according to claim 2, wherein: the top of the supporting plate (23) is fixedly connected with a hydraulic cylinder (24), and the output end of the hydraulic cylinder (24) movably penetrates through the supporting plate (23) and is fixedly connected to the top surface of the top plate (1).

4. The casting mold with the cylinder demoulding structure according to claim 1, wherein: go up the inside symmetry activity of mould (3) and cup jointed four the same material poles of taking off (25), four take off material pole (25) from the bottom up activity in proper order and run through upper die base (2) and roof (1) and place in the top of roof (1), take off material pole (25) and be arranging in one end fixedly connected with second spacing piece (26) of roof (1) top, take off material pole (25) and cup jointed second spring (27) in the surface activity of arranging roof (1) top in, second spacing piece (26) are through second spring (27) elastic connection roof (1).

5. The casting mold with the cylinder demoulding structure according to claim 1, wherein: and a backflow valve (16) is arranged on the surface of the backflow pipe (15) in a communicating mode, and an injection valve (18) is arranged on the surface of the injection pipe (17) in a communicating mode.

6. The casting mold with the cylinder demoulding structure according to claim 1, wherein: feed liquor pipe (20) is installed in top one side intercommunication of coolant liquid case (28), tube cap (21) are installed in the top intercommunication of feed liquor pipe (20), observation window (29) are installed to the embedded observation of installing of lateral wall of coolant liquid case (28).