CN216397927U

CN216397927U - Sand box for large planet carrier iron mold sand coating process

Info

Publication number: CN216397927U
Application number: CN202122437932.0U
Authority: CN
Inventors: 徐惠民; 胡彬; 何伟荣
Original assignee: Hex Machinery Taixing Co ltd
Current assignee: Hex Machinery Taixing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-29
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a sand-coating process sand box for a large-planet-carrier iron mold, which comprises an upper sand box and a lower sand box, wherein a mold cavity with the same shape as an upper mold is formed in the lower end surface of the upper sand box, a mold cavity with the same shape as the lower mold is formed in the upper end surface of the lower sand box, the distance between the mold cavity on the upper sand box and the upper mold is 50-60mm, and the distance between the mold cavity on the lower sand box and the lower mold is 50-60 mm. In the utility model, the lower end face of the cope flask and the upper end face of the drag flask are respectively arranged in the die cavities matched with the shapes of the upper die and the lower die, when in use, the cope flask and the drag flask are respectively sleeved on the upper die and the lower die, the clearance between the cope flask and the lower flask and the clearance between the cope mold and the lower die are only 50-60mm, and the clearance is filled with sand, so that the aim of saving the sand can be achieved through the cope flask and the drag flask, and the sand-iron ratio can be reduced.

Description

Sand box for large planet carrier iron mold sand coating process

Technical Field

The utility model relates to the technical field of vibration monitoring instruments, in particular to a sand box for a sand-lined process of a large planet carrier iron mold.

Background

The planet carrier is one of the main components of the planetary gear transmission device, and the planet wheel shaft or the bearing is arranged on the planet carrier. When the planet wheel is used as a basic component, the planet wheel is the part which bears the largest external moment in the mechanism. The structural design and manufacture of the planet wheels has a great influence on the load distribution among the planet wheels, so that the bearing capacity, noise, vibration and the like of the transmission device are greatly influenced.

The sand box is necessary process equipment in casting production, the planet carrier is made of nodular cast iron which is widely applied at home and abroad due to low cost and high strength and toughness. At present, the casting of the planet carrier is mainly finished by a common sand box, but the common sand box is inconvenient to use and has high sand eating amount due to the irregular shape of the planet carrier, so that unnecessary waste is caused, and a sand-lined process sand box of a large planet carrier iron mold is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model discloses a sand-lined process sand box for a large planet carrier iron mold, which can effectively solve the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is to provide a sand-lined process sand box for a large-planet-carrier iron mold, which comprises an upper sand box and a lower sand box, wherein the lower end surface of the upper sand box is provided with a mold cavity with the same shape as that of an upper mold, the upper end surface of the lower sand box is provided with a mold cavity with the same shape as that of a lower mold, the distance between the mold cavity on the upper sand box and the upper mold is 50-60mm, and the distance between the mold cavity on the lower sand box and the lower mold is 50-60 mm.

Furthermore, the upper end face of the upper sand box and the lower end face of the lower sand box form a plurality of material escaping grooves with different space sizes by a plurality of transverse ribs and longitudinal ribs which are arranged in a criss-cross mode.

Furthermore, the end surfaces of the cope flask and the drag flask are respectively provided with flask positioning holes with matched positions.

Furthermore, a sprue is arranged at the center of the circumference of the cope flask.

Furthermore, the inner circumference and the outer circumference of the mould cavity of the cope box are both provided with a process riser groove which is communicated up and down.

Furthermore, a plurality of vertically through screw holes are arranged on the circumferential edges of the upper sand box and the lower sand box close to the mold cavity.

Furthermore, a plurality of vent holes which are arranged in a penetrating way up and down are arranged in the mould cavities of the cope flask and the drag flask.

Furthermore, the upper end surface of the cope flask and the lower end surface of the drag flask are both provided with sand shooting holes communicated with the mold cavity.

Further, the cope flask and the drag flask are made of cast iron.

Furthermore, two groups of hanging handles are symmetrically arranged on the left side and the right side of the cope flask and the drag flask.

The utility model has the advantages and beneficial effects that: in the utility model, the lower end surface of the cope flask and the upper end surface of the drag flask are respectively provided with a mold cavity matched with the upper mold and the lower mold in shape, when in use, the cope flask and the drag flask are respectively sleeved on the upper mold and the lower mold, the clearance between the cope flask and the drag flask and the upper mold and the clearance between the cope flask and the drag flask and the lower mold are only 50-60mm, and sand is injected into the clearance, so that the aim of saving sand can be achieved through the cope flask and the drag flask, and the sand-iron ratio can be reduced.

Drawings

FIG. 1 is a schematic view of the construction of a cope flask according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is another angular configuration of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of the construction of the drag flask of the present invention;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is another angular configuration of FIG. 5;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a schematic view of the structure of the cast after shakeout.

The sand box comprises a cope box 1, a drag box 2, a transverse rib 3, a longitudinal rib 4, a material escaping groove 5, a sand box positioning hole 6, a sprue 7, a process riser groove 8, a screw hole 9, an exhaust hole 10, a sand shooting hole 11 and a hanging handle 12.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 9, the sand-lined process sand box for the large-planet carrier iron mold comprises an upper sand box 1 and a lower sand box 2, wherein a mold cavity with the same shape as that of an upper mold is formed in the lower end surface of the upper sand box 1, a mold cavity with the same shape as that of a lower mold is formed in the upper end surface of the lower sand box 2, the distance between the mold cavity on the upper sand box 1 and the upper mold is 50-60mm, and the distance between the mold cavity on the lower sand box 2 and the lower mold is 50-60 mm.

In the technical scheme, the lower end face of the cope flask and the upper end face of the drag flask are respectively provided with a mold cavity matched with the upper mold and the lower mold in shape, when in use, the cope flask and the drag flask are respectively sleeved on the upper mold and the lower mold, the clearance between the cope flask and the drag flask and the clearance between the cope mold and the drag mold are only 50-60mm, and the clearance is filled with sand, so that the purpose of saving the sand can be achieved through the cope flask and the drag flask, and the sand-iron ratio is reduced. Wherein figure 9 is a schematic view of the casting after shakeout. In addition, a sand feeding mold is obtained through the upper sand box and the upper mold, a sand discharging mold is obtained through the lower sand box and the lower mold, and the sand feeding mold and the lower sand mold are cast without being separated from the upper sand box and the lower sand box in order to ensure the strength of the sand feeding mold and the lower sand mold.

Preferably, the sand box further comprises transverse ribs 3 and longitudinal ribs 4, and the upper end surface of the cope flask 1 and the lower end surface of the drag flask 2 are provided with a plurality of transverse ribs 3 and longitudinal ribs 4 which are arranged in a criss-cross manner to form a plurality of material escaping grooves 5 with different space sizes. Under the condition of ensuring the strength of the sand box, the position is made empty, the weight of the sand box is reduced, and the waste of resources is avoided.

Preferably, the cope flask 1 and the drag flask 2 are provided with flask positioning holes 6 at corresponding positions on their end faces.

Preferably, a sprue 7 is provided at the center of the circumference of the cope flask 1. The sprue is placed at the position, and molten iron is poured from the sprue.

Preferably, as the technical scheme, the inner circumference and the outer circumference of the mold cavity of the cope flask 1 are provided with process riser grooves 8 which are penetrated up and down. The casting is placed at the riser, the casting is used for placing a process riser during casting modeling, and the shape of the groove is also the shape of the groove.

Preferably, a plurality of vertically penetrating screw holes 9 are formed on the circumferential edges of the cope flask 1 and the drag flask 2 close to the mold cavity. After the mold closing is finished, the screw is locked, and the upper sand box and the lower sand box are locked.

Preferably, a plurality of vent holes 10 are arranged in the mold cavities of the cope flask 1 and the drag flask 2 and are vertically communicated for venting.

Preferably, the upper end face of the cope flask 1 and the lower end face of the drag flask 2 are both provided with sand shooting holes 11 penetrating through the mold cavity. The sand is injected from the sand injection hole.

Preferably, the cope flask 1 and the drag flask 2 are made of cast iron.

Preferably, two sets of hanging handles 12 are symmetrically arranged on the left and right sides of the cope flask 1 and the drag flask 2. The lifting device is used for lifting the cope flask and the drag flask.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The sand box for the large-planet-carrier iron mold sand-coating process is characterized by comprising an upper sand box (1) and a lower sand box (2), wherein a mold cavity with the same shape as an upper mold is formed in the lower end face of the upper sand box (1), a mold cavity with the same shape as a lower mold is formed in the upper end face of the lower sand box (2), the distance between the mold cavity in the upper sand box (1) and the upper mold is 50-60mm, and the distance between the mold cavity in the lower sand box (2) and the lower mold is 50-60 mm.

2. The large-planet-carrier iron mold sand-lined artistic sand box according to claim 1, characterized by further comprising transverse ribs (3) and longitudinal ribs (4), wherein a plurality of material escaping grooves (5) with different space sizes are formed by the transverse ribs (3) and the longitudinal ribs (4) which are arranged in a criss-cross manner on the upper end surface of the upper sand box (1) and the lower end surface of the lower sand box (2).

3. The large-planet-carrier iron mold sand-lined process sand box according to claim 2, characterized in that the end surfaces of the cope (1) and the drag (2) are provided with sand box positioning holes (6) with matched positions.

4. The large carrier iron mold sand-lined process sand box according to claim 1, wherein a sprue (7) is arranged at the circumferential center of the cope box (1).

5. The large carrier iron mold sand-lined process sand box according to claim 1, wherein the inner circumference and the outer circumference of the mold cavity of the cope box (1) are provided with process riser grooves (8) which are communicated up and down.

6. The sand-lined process sand box of the big planet carrier iron mold as claimed in claim 1, wherein a plurality of screw holes (9) are formed on the circumference of the cope (1) and the drag (2) close to the mold cavity and are communicated up and down.

7. The large planet carrier iron mold sand-lined process sand box according to claim 1, characterized in that a plurality of vent holes (10) which are vertically arranged in the mold cavities of the upper sand box (1) and the lower sand box (2) in a penetrating way are arranged.

8. The large-planet-carrier iron mold sand-lined process sand box according to claim 1, characterized in that the upper end surface of the upper sand box (1) and the lower end surface of the lower sand box (2) are provided with sand shooting holes (11) communicated with a mold cavity.

9. The large planet carrier iron mold sand-lined process sand box according to claim 1, wherein the cope (1) and the drag (2) are made of cast iron.

10. The large-planet-carrier iron mold sand-lined process sand box according to claim 1, characterized in that two groups of hanging handles (12) are symmetrically arranged at the left side and the right side of the cope flask (1) and the drag flask (2).