CN216297910U

CN216297910U - Combined sand core of V-method molding machine for casting axle housing

Info

Publication number: CN216297910U
Application number: CN202123020923.8U
Authority: CN
Inventors: 徐家贵
Original assignee: Pengchuan Cheqiao Co ltd Of Junan County
Current assignee: Pengchuan Cheqiao Co ltd Of Junan County
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-04-15
Anticipated expiration: 2031-12-04

Abstract

The utility model discloses a combined sand core of a V-method molding machine for casting an axle housing, which comprises an upper template and a lower template, wherein the upper template and the lower template are jointed, a casting groove is formed in the lower template, both sides of the lower template are fixedly connected with fixing frames, one side of each fixing frame is fixedly connected with an electric telescopic rod, one end of each electric telescopic rod penetrates through the fixing frame and the lower template and is fixedly connected with a pressing plate, the pressing plate is positioned in the casting groove, one side of each pressing plate is fixedly connected with a connecting block, one side of each connecting block is provided with a sliding hole, a sliding rod is movably connected in each sliding hole, one end of each sliding rod is fixedly connected with a connecting plate, and one side of each connecting plate is fixedly connected with a plurality of push blocks. The sand core tamping device can not only tamp the sand core so as to improve the quality of a casting, but also automatically flow out excessive sand core, improve the convenience of the device and improve the use effect of the device.

Description

Combined sand core of V-method molding machine for casting axle housing

Technical Field

The utility model relates to the technical field of sand cores, in particular to a combined sand core of a V-method molding machine for casting an axle housing.

Background

The sand core is mainly used for forming an inner hole and a cavity of a casting. Some appearance parts which hinder drawing and are difficult to produce sand can be formed by sand cores, the working conditions of the sand cores are severe, and along with the development of science and technology, more and more molds are poured by the sand cores, so that more and more attention is paid to the effect of the sand cores when people use the sand cores.

At present, with the development of society, the use of sand cores is involved in industrial casting, the sand cores are fixed at specific positions in a sand mold, then casting is carried out, after the casting is finished, the sand cores are wrapped in a casting, the sand cores are broken, and then a cavity part in the casting is formed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a combined sand core of a V-method molding machine for casting an axle housing.

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

a combined sand core of a V-method molding machine for casting an axle housing comprises an upper template and a lower template which are jointed, a casting groove is arranged in the lower template, both sides of the lower template are fixedly connected with a fixing frame, one side of the fixing frame is fixedly connected with an electric telescopic rod, one end of the electric telescopic rod penetrates through the fixing frame and the lower template and is fixedly connected with a pressing plate, and the pressing plate is positioned in the casting groove, one side of the pressing plate is fixedly connected with a connecting block, one side of the connecting block is provided with a sliding hole, a sliding rod is movably connected in the sliding hole, one end of the sliding rod is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a plurality of push blocks, the circumferential outer wall of the sliding rod is movably connected with a spring, and the two ends of the spring are respectively fixed with the connecting block and the connecting plate, racks are fixedly connected to the two sides of the casting groove, and the sliding rod is in contact with the racks.

As a further scheme of the present invention, the upper surface of the upper form is fixedly connected with two rings.

As a further scheme of the utility model, the upper surface of the upper template is fixedly connected with two cold air pipes, and the upper surface of the upper template is fixedly connected with a feeding pipe.

As a further scheme of the utility model, the top of the lower template is bonded with a sealing ring, and an overflow hole is formed in the casting groove.

As a further scheme of the utility model, a plurality of air holes are formed on two sides of the upper template and are uniformly distributed.

As a further scheme of the utility model, two sides of the upper template and the lower template are fixedly connected with two fixing lugs.

As a further scheme of the utility model, the bottom of the lower template is fixedly connected with a plurality of feet which are uniformly distributed.

The utility model has the beneficial effects that:

1. use through the cooperation of rack and ejector pad, start electric telescopic handle, the electric telescopic handle extension, promote the clamp plate and remove, the clamp plate drives the slide bar and removes, the slide bar drives the connecting plate and removes, contact with the rack when the slide bar removes, the tooth piece of rack can promote the slide bar and slide to the connecting block and cause the extrusion to the spring, after breaking away from with the tooth piece, the slide bar resets through the effort of spring, thereby make the slide bar carry out reciprocating motion, the ejector pad that the slide bar drove on the connecting plate beats the psammitolite, tamp the psammitolite, thereby the quality of foundry goods has been improved.

2. Through the setting of overflow hole, when the ejector pad tamps the psammitolite, unnecessary psammitolite can follow the downthehole outflow of overflow to the psammitolite is remained too much in preventing the template, does not also use the people to calculate the volume that the psammitolite poured into, has improved the convenience of device.

3. Through the setting of sealing ring, when laminating cope match-plate pattern and lower bolster, the sealing ring can seal the gap between cope match-plate pattern and the lower bolster, prevents to have psammitolite or casting liquid to flow when the casting, has improved the result of use of device.

Drawings

FIG. 1 is a schematic perspective view of a combination sand core for a V-method molding machine for casting axle housings in accordance with the present invention;

FIG. 2 is a schematic view of the construction of the lower plate of a combination core for a V-method molding machine for casting axle housings in accordance with the present invention;

FIG. 3 is a schematic cross-sectional view of a combination sand core of a V-method molding machine for casting axle housings in accordance with the present invention.

In the figure: 1. a lower template; 2. a seal ring; 3. an electric telescopic rod; 4. a fixed mount; 5. fixing the ear; 6. mounting a template; 7. a hoisting ring; 8. a cold air pipe; 9. a feed pipe; 10. air holes are formed; 11. ground feet; 12. connecting blocks; 13. pressing a plate; 14. a rack; 15. an overflow aperture; 16. a casting groove; 17. a connecting plate; 18. a push block; 19. a slide bar; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a combined sand core of a V-process molding machine for casting an axle housing comprises an upper template 6 and a lower template 1, wherein the upper template 6 is attached to the lower template 1, a casting groove 16 is formed in the lower template 1, fixing frames 4 are fixed on both sides of the lower template 1 through bolts, an electric telescopic rod 3 is fixed on one side of each fixing frame 4 through bolts, one end of each electric telescopic rod 3 penetrates through the fixing frame 4 and the lower template 1 and is fixed with a pressing plate 13 through bolts, the pressing plate 13 is positioned in the casting groove 16, a connecting block 12 is fixed on one side of the pressing plate 13 through bolts, a slide hole is formed on one side of the connecting block 12, a slide rod 19 is connected in the slide hole in a sliding manner, a connecting plate 17 is fixed on one end of the slide rod 19 through bolts, a plurality of pushing blocks 18 are fixed on one side of the connecting plate 17 through bolts, a spring 20 is sleeved on the circumferential outer wall of the slide rod 19, and both ends of the spring 20 are respectively fixed with the connecting block 12 and the connecting plate 17, the two sides of the casting groove 16 are both fixed with racks 14 through bolts, and the sliding rod 19 is in contact with the racks 14, the electric telescopic rod 3 extends to push the pressing plate 13 to move, the pressing plate 13 drives the connecting block 12 to move, the connecting block 12 drives the sliding rod 19 to move, the sliding rod 19 drives the connecting plate 17 to move, the connecting plate 17 drives the pushing block 18 to move, and meanwhile, the pushing block can be in contact with a convex part on the racks 14 in the moving process of the sliding rod 19, at the moment, the racks 14 can push the sliding rod 19 to slide into the connecting block 12 and extrude the spring 20, after the sliding rod 19 is separated from the convex part on the racks 14, the sliding rod 19 is reset through the acting force of the spring 20, so that the sliding rod 19 performs reciprocating motion, the sliding rod 19 drives the pushing block 18 to knock a sand core through the connecting plate 17, and the sand core is tamped.

In the utility model, two lifting rings 7 are fixed on the upper surface of an upper template 6 through bolts, two cold air pipes 8 are fixed on the upper surface of the upper template 6 through bolts, a feeding pipe 9 is fixed on the upper surface of the upper template 6 through bolts, a sealing ring 2 is bonded on the top of a lower template 1, when the upper template 6 is bonded with the lower template 1, the sealing ring 2 can seal a gap between the upper template 6 and the lower template 1 to prevent sand cores or casting liquid from flowing out during casting, an overflow hole 15 is arranged in a casting groove 16, when a pushing block 18 tamps the sand cores, redundant sand cores can flow out from the overflow hole 15, thereby preventing excessive sand cores in the templates from remaining, and also preventing a person from calculating the amount of poured sand cores, a plurality of air holes 10 are arranged on two sides of the upper template 6, the air holes 10 are uniformly distributed, two fixing lugs 5 are fixed on two sides of the upper template 6 and the lower template 1 through bolts, the bottom of lower bolster 1 is fixed with a plurality of lower margins 11 through the bolt, and lower margin 11 evenly distributed.

The working principle is as follows: when casting is needed, a part to be cast is placed into a casting groove 16, an upper template 6 is attached to a lower template 1, a sand core is poured into the casting groove 16 through a feeding pipe 9, an electric telescopic rod 3 is started at the moment, the electric telescopic rod 3 extends to push a pressing plate 13 to move, the pressing plate 13 drives a connecting block 12 to move, the connecting block 12 drives a sliding rod 19 to move, the sliding rod 19 drives a connecting plate 17 to move, the connecting plate 17 drives a push block 18 to move, meanwhile, the sliding rod 19 is in contact with a convex part on a rack 14 in the moving process, the rack 14 pushes the sliding rod 19 to slide into the connecting block 12 and extrude a spring 20, after the sliding rod 19 is separated from the convex part on the rack 14, the sliding rod 19 is reset through the acting force of the spring 20, so that the sliding rod 19 reciprocates and the sliding rod 19 drives the push block 18 to knock the sand core through the connecting plate 17, the sand core is tamped and excess sand core will flow out through the overflow holes 15 during tamping of the sand core.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A combined sand core of a V-method molding machine for casting axle housings comprises an upper template (6) and a lower template (1), and is characterized in that the upper template (6) and the lower template (1) are attached to each other, a casting groove (16) is formed in the lower template (1), fixing frames (4) are fixedly connected to two sides of the lower template (1), an electric telescopic rod (3) is fixedly connected to one side of each fixing frame (4), one end of each electric telescopic rod (3) penetrates through the fixing frames (4) and the lower template (1) and is fixedly connected with a pressing plate (13), the pressing plate (13) is located in the casting groove (16), a connecting block (12) is fixedly connected to one side of the pressing plate (13), a slide hole is formed in one side of the connecting block (12), a slide rod (19) is movably connected to the slide hole, a connecting plate (17) is fixedly connected to one end of the slide rod (19), and a plurality of pushing blocks (18) are fixedly connected to one side of the connecting plate (17), the circumference outer wall swing joint of slide bar (19) has spring (20), and the both ends of spring (20) are fixed mutually with connecting block (12) and connecting plate (17) respectively, equal fixedly connected with rack (14) in both sides of casting groove (16), and slide bar (19) and rack (14) contact.

2. The combined sand core of the V-method molding machine for casting the axle housing as claimed in claim 1, wherein two lifting rings (7) are fixedly connected to the upper surface of the upper mold plate (6).

3. The combined sand core of the V-process molding machine for casting the axle housing is characterized in that two cold air pipes (8) are fixedly connected to the upper surface of the upper template (6), and a feeding pipe (9) is fixedly connected to the upper surface of the upper template (6).

4. The combined sand core of the V-method molding machine for casting the axle housing of claim 1, wherein the top of the lower template (1) is bonded with a sealing ring (2), and the casting groove (16) is internally provided with an overflow hole (15).

5. The combined sand core of the V-method molding machine for casting the axle housing as claimed in claim 3, wherein a plurality of air holes (10) are formed on both sides of the upper mold plate (6), and the air holes (10) are uniformly distributed.

6. The combined sand core of the V-method molding machine for casting the axle housing of claim 1, wherein two fixing lugs (5) are fixedly connected to two sides of the upper template (6) and the lower template (1).

7. The combined sand core of the V-method molding machine for casting the axle housing of claim 1, wherein a plurality of ground feet (11) are fixedly connected to the bottom of the lower template (1), and the ground feet (11) are uniformly distributed.