CN215199568U

CN215199568U - Automatic mold opening mechanism and sand shooting machine

Info

Publication number: CN215199568U
Application number: CN202120093197.3U
Authority: CN
Inventors: 张建诗
Original assignee: Linyi Zhuojie Machinery Co ltd
Current assignee: Zhang Jianshi
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-12-17
Anticipated expiration: 2031-01-13

Abstract

The utility model provides an automatic mold opening mechanism and sand shooting machine relates to sand casting technical field, including the installation frame, the first end that are used for installing the mould be used for with installation frame counterbalance second end be used for with the mould counterbalance the elastic component and with installation frame connection in order to be used for the guiding mechanism for the mould direction, be equipped with on the mould and supply guiding mechanism to stretch into and gliding guiding hole, the installation frame be used for with cope flask and drag flask compound die formation molding chamber. During the use, cope flask and drag flask support the upper and lower both sides of installation frame respectively, extrude mould and installation frame simultaneously to press the mould on the installation frame, the elastic component compression this moment, when the molding finishes, cope flask and drag flask separate with the installation frame respectively, and the elastic component resets this moment, jacks up the mould along guiding mechanism, accomplishes automatic die sinking. So set up, automatic die sinking mechanism's simple structure, convenient to use can guarantee that the mould follows the vertical direction die sinking, can not cause the sand mould damaged or error.

Description

Automatic mold opening mechanism and sand shooting machine

Technical Field

The utility model relates to a sand casting technical field, more specifically say, relate to an automatic mold opening mechanism and penetrate sand machine.

Background

The prior art sand shooter generally comprises a cope flask, a drag flask, a sand silo, and a mounting frame for mounting a mold, wherein the mounting frame is a frame structure adapted to the cope flask and the drag flask. During the use, the cope flask supports in the installation frame upper end, and the drag flask supports and accomplishes the compound die at the installation frame lower extreme, makes the molding sand injection in the sand storehouse enter into the sand compound die structure and models under the effect of highly-compressed air afterwards. After completion, both the cope flask and the drag flask are separated from the mounting frame, and then the mold mounted on the mounting frame is removed. However, in the prior art, when the mold is taken down from the mounting frame, the mold is usually removed in the form of external mechanical force such as manual force or mechanical force, and the mold cannot be taken out vertically in the removing process, so that the deformation of the cavity is easily caused, and finally the casting error is increased or even scrapped. Therefore, how to solve the problem that the mold cannot be vertically taken out of the mounting frame in the prior art is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic mold opening mechanism and penetrate sand machine that can take out the mould from the installation frame perpendicularly.

In order to solve the above problems, the present invention provides an automatic mold opening mechanism, which includes an installation frame for installing a mold, an elastic member having a first end abutting against the installation frame and a second end abutting against the mold, and a guide mechanism connected to the installation frame for guiding the mold; the mould is provided with a guide hole for the guide mechanism to extend into and slide, and the mounting frame is used for being matched with the upper sand box and the lower sand box to form a molding chamber.

Preferably, the guide mechanism comprises a guide post, a first end of the guide post is connected with the mounting frame, and a second end of the guide post is used for slidably extending into the guide hole.

Preferably, the guide mechanism further comprises a cylindrical head arranged at the second end of the guide column, the cross section of the cylindrical head perpendicular to the axial direction is larger than the cross section of the guide column perpendicular to the axial direction, and a counter bore for the cylindrical head to extend into is arranged at one end, far away from the mounting frame, of the guide hole.

Preferably, the first end of the guide post is in threaded connection with the mounting frame, and a hexagon socket is arranged at one end, away from the guide post, of the cylindrical head.

Preferably, the elastic member is a spring.

Preferably, the mounting frame is provided with a mounting hole for accommodating the first end of the elastic member.

A sand shooting machine comprises a cope flask, a drag flask and an automatic mold opening mechanism, wherein the automatic mold opening mechanism is the automatic mold opening mechanism, and the automatic mold opening mechanism is arranged between the cope flask and the drag flask.

Preferably, the sand blasting machine comprises a frame, a sand blasting warehouse arranged on the frame and a sand discharging warehouse arranged on the frame, wherein a sand blasting opening of the sand blasting warehouse faces downwards and is used for extending into the cope flask to spray molding sand into the cope flask, and a sand blasting opening of the sand discharging warehouse faces upwards and is used for extending into the drag flask to spray molding sand into the drag flask.

Preferably, the upper sand box is slidably connected with the frame, and further comprises a lift cylinder, an upper box cylinder and a lower box cylinder, wherein the lift cylinder is used for driving the upper sand box to move, the upper box cylinder is connected with the upper sand box, a piston rod is connected with the upper sand box, the lower box cylinder is connected with the frame, and the piston rod is connected with the lower sand box.

Preferably, the molding machine further comprises a sliding platform, wherein a guide post is arranged on the machine frame, the sliding platform is in sliding fit with the guide post, and the cope flask is arranged on the sliding platform.

The utility model provides an among the technical scheme, an automatic mold opening mechanism, including the installation frame that is used for installing the mould, first end be used for with installation frame counterbalance second end be used for with the mould counterbalance elastic component and with install the guiding mechanism that the frame connection in order to be used for the mould direction, be equipped with on the mould and supply guiding mechanism to stretch into and gliding guiding hole, the installation frame is used for forming the molding chamber with cope flask and drag flask compound die. During the use, cope flask and drag flask support the upper and lower both sides of installation frame respectively, extrude mould and installation frame simultaneously to press the mould on the installation frame, the elastic component compression this moment, when the molding finishes, cope flask and drag flask separate with the installation frame respectively, and the elastic component resets this moment, jacks up the mould along guiding mechanism, accomplishes automatic die sinking. So set up, automatic die sinking mechanism's simple structure, convenient to use can guarantee that the mould follows the vertical direction die sinking, can not cause the sand mould damaged or error.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an automatic mold opening mechanism in an embodiment of the present invention;

fig. 2 is the embodiment of the present invention provides a schematic structural diagram of a sand shooting machine.

Reference numerals:

1. a mounting frame; 2. an elastic member; 3. a guide post; 4. a cylindrical head; 5. a frame; 6. a sand feeding warehouse; 7. a sand discharging warehouse; 8. a lift cylinder; 9. an upper tank oil cylinder; 10. a lower tank oil cylinder; 11. a sliding platform; 12. a guide post; 13. a mold; 14. a cope flask; 15. and (4) a drag flask.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-2, an embodiment of the present invention provides an automatic mold opening mechanism, which includes an installation frame 1, an elastic component 2, and a guiding mechanism. The mounting frame 1 is a frame mechanism having an upper end for being attached to the lower end of the cope flask 14 and a lower end for being attached to the upper end of the drag flask 15, and the three are assembled to form a molding chamber. The mounting frame 1 is used for mounting a mould 13. It should be noted that the mounting frame 1 may be conveyed between the cope flask 14 and the drag flask 15 by a horizontal conveying apparatus as shown in fig. 2, or may be placed between the cope flask 14 and the drag flask 15 by a worker. The elastic element 2 has a first end adapted to abut against the mounting frame 1 and a second end adapted to abut against the mold 13. The elastic member 2 may be a spring, for example. Optionally, the mounting frame 1 is provided with a mounting hole for receiving the first end of the elastic member 2 to prevent the spring from moving. A guide mechanism is connected with the mounting frame 1 for guiding the mould 13. The die 13 is provided with a guide hole for the guide mechanism to extend into and slide.

When the automatic mould opening device is used, the cope flask 14 and the drag flask 15 respectively abut against the upper side and the lower side of the installation frame 1, the mould 13 and the installation frame 1 are simultaneously extruded to press the mould 13 on the installation frame 1, the elastic element 2 is compressed at the moment, when the moulding is finished, the cope flask 14 and the drag flask 15 are respectively separated from the installation frame 1, the elastic element 2 is reset at the moment, the mould 13 is jacked up along the guide mechanism, and the automatic mould opening is completed. So set up, automatic die sinking mechanism's simple structure, convenient to use can guarantee that mould 13 follows the vertical direction die sinking, can not cause the sand mould damaged or error.

Referring to fig. 1, the guiding mechanism comprises a guiding post 3, a first end of the guiding post 3 is connected with the mounting frame 1, and a second end is used for slidably extending into the guiding hole. So configured, the mold 13 can run along the guide posts 3 when it is lifted by the elastic member 2.

Referring to fig. 1, in some embodiments, the guiding mechanism further comprises a cylinder head 4 disposed at the second end of the guiding cylinder 3. The cross section of the cylindrical head 4 perpendicular to the axial direction is larger than that of the guide column 3 perpendicular to the axial direction. One end of the guide hole far away from the installation frame 1 is provided with a counter bore for the cylindrical head 4 to extend into. So set up, the cylinder head 4 can carry on spacingly to mould 13 when elastic component 2 is with mould 13 jack-up, prevents that mould 13 from breaking away from guide post 3 completely and dropping and causing the incident. While the counter bore may accommodate the cylinder head 4 to prevent the cylinder head 4 from protruding beyond the surface of the mold 13 when the mold 13 is fully engaged with the mounting frame 1. Optionally, the first end of the guiding column 3 is screwed with the mounting frame 1, and the end of the cylinder head 4 away from the guiding column 3 is provided with a hexagon socket. So, can install and dismantle guiding mechanism through the allen key, operate convenient and fast more.

Referring to fig. 2, an embodiment of the present invention further provides a sand shooting machine, which includes a cope flask 14, a drag flask 15, and an automatic mold opening mechanism, where the automatic mold opening mechanism is an automatic mold opening mechanism as described above, and the automatic mold opening mechanism is used to be disposed between the cope flask 14 and the drag flask 15. It should be noted that the sand shooting machine including the automatic mold opening mechanism has all the advantages of the automatic mold opening mechanism, and the description thereof is omitted here.

Referring to fig. 2, in some embodiments, a sand blaster includes a frame 5, a cope reservoir 6 disposed on the frame 5, and a drag reservoir 7 disposed on the frame 5. The sand shooting ports of the cope flask 6 face downward and are used to project into the cope flask 14 to spray molding sand into the cope flask 14, and the sand shooting ports of the drag flask 7 face upward and are used to project into the drag flask 15 to spray molding sand into the drag flask 15. The sand shooting port is usually provided with a baffle plate which can extend into the sand box, the baffle plate is provided with a through hole for the molding sand to pass through, and the molding sand can be quickly shot out from the through hole on the baffle plate under the action of compressed gas. So set up, the form of shooting sand simultaneously from top to bottom, efficiency is higher, and the packing effect is better. It should be noted that, compressed air is introduced into the sand box, and the molding sand in the sand box is ejected from the sand ejecting port of the sand box under the action of the compressed air, which belongs to the prior art, and the structure and principle thereof do not belong to the key points of the discussion, and are not described herein again.

Referring to FIG. 2, in some embodiments, the sand magazine 6 is slidably coupled to the frame 5. For example, the sand blaster may further comprise a sliding platform 11. The frame 5 is provided with guide posts 12, the sliding platform 11 is in sliding fit with the guide posts 12, and the cope flask 14 is arranged on the sliding platform 11, i.e. the cope 6 is slidably connected with the frame 5 through the sliding platform 11. The sand shooting machine also comprises a lifting oil cylinder 8, an upper box oil cylinder 9 and a lower box oil cylinder 10. The lifting cylinder 8 is used for driving the sand feeding warehouse 6 to lift, for example, a cylinder body of the lifting cylinder 8 is connected with the rack 5, and a piston rod is connected with the sliding platform 11 so as to finally drive the sand feeding warehouse 6 to lift. The cylinder body of the upper box oil cylinder 9 is connected with the upper sand warehouse 6, and the piston rod is connected with the upper sand box 14. The cylinder body of the lower box oil cylinder 10 is connected with the frame 5, and the piston rod is connected with the lower sand box 15. During molding, the upper box oil cylinder 9 and the lower box oil cylinder 10 both extend out to drive the upper sand box 14 and the lower sand box 15 to respectively abut against the mounting frame 1 to form a molding chamber, and then compressed air is introduced into the upper sand warehouse 6 and the lower sand warehouse 7 to enable the upper sand warehouse 6 and the lower sand warehouse 7 to perform sand shooting. After the sand shooting is finished, the upper box oil cylinder 9 and the lower box oil cylinder 10 are communicated with an oil tank of a hydraulic system, namely, piston rods of the upper box oil cylinder 9 and the lower box oil cylinder 10 are in a free state, then the upper sand warehouse 6 is driven to move downwards through the lifting oil cylinder 8, a baffle at a sand shooting port of the upper sand warehouse 6 and a baffle at a sand shooting port of the lower sand warehouse 7 move in opposite directions, and meanwhile, the molding sand in a molding chamber is extruded to compact the molding sand. So set up for penetrate the sand machine and have simultaneously and penetrate sand and the function of compaction, need not to carry out the compaction process alone again after penetrating the sand and finishing, optimized the molding process for molding efficiency has saved compaction equipment, has reduced the cost of enterprises. Alternatively, the cope flask 14 and the drag flask 15 may be slidably connected to the guide pillars 12 by means of the slide platform 11 as is employed in reference to the cope flask 6.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The automatic mold opening mechanism is characterized by comprising a mounting frame (1) for mounting a mold (13), an elastic piece (2) with a first end used for abutting against the mounting frame (1) and a second end used for abutting against the mold (13), and a guide mechanism connected with the mounting frame (1) and used for guiding the mold (13); the mounting frame (1) is used for being matched with a cope box (14) and a drag box (15) to form a molding chamber, and a guide hole for the guide mechanism to extend into and slide is formed in the mold (13).

2. Automatic mold opening mechanism according to claim 1, characterized in that said guiding mechanism comprises a guiding post (3), said guiding post (3) being connected to said mounting frame (1) at a first end and adapted to slidably extend into said guiding hole at a second end.

3. The automatic die sinking mechanism of claim 2, characterized in that the guiding mechanism further comprises a cylindrical head (4) arranged at the second end of the guiding column (3), the cross section of the cylindrical head (4) perpendicular to the axial direction is larger than that of the guiding column (3) perpendicular to the axial direction, and a counter bore for the cylindrical head (4) to extend into is arranged at one end of the guiding hole far away from the mounting frame (1).

4. The automatic mold opening mechanism according to claim 3, characterized in that a first end of the guide column (3) is in threaded connection with the mounting frame (1), and an end of the cylindrical head (4) away from the guide column (3) is provided with a hexagon socket.

5. Automatic mold opening mechanism according to claim 1, characterized in that said elastic element (2) is a spring.

6. Automatic mold opening mechanism according to claim 1, characterized in that the mounting frame (1) is provided with a mounting hole for receiving the first end of the elastic element (2).

7. A sand shooting machine comprising a cope flask (14), a drag flask (15), and an automatic mold opening mechanism according to any one of claims 1 to 6 for being disposed between the cope flask (14) and the drag flask (15).

8. A sand shooting machine according to claim 7, characterized by comprising a frame (5), a cope (6) provided on said frame (5) and a drag (7) provided on said frame (5), said cope (6) having a sand shooting port facing downwards and adapted to extend into said cope (14) for injecting molding sand into said cope (14), said drag (7) having a sand shooting port facing upwards and adapted to extend into said drag (15) for injecting molding sand into said drag (15).

9. The sand shooting machine according to claim 8, characterized in that the sand feeding reservoir (6) is slidably connected with the frame (5), and further comprises a lift cylinder (8), a top box cylinder (9) and a bottom box cylinder (10) for driving the sand feeding reservoir (6) to move, wherein the cylinder body of the top box cylinder (9) is connected with the sand feeding reservoir (6), the piston rod of the top box cylinder is connected with the cope flask (14), the cylinder body of the bottom box cylinder (10) is connected with the frame (5), and the piston rod of the bottom box cylinder is connected with the drag flask (15).

10. The sand shooting machine according to claim 9, further comprising a sliding platform (11), wherein the frame (5) is provided with guide pillars (12), the sliding platform (11) is in sliding fit with the guide pillars (12), and the cope flask (14) is arranged on the sliding platform (11).