CN217749252U

CN217749252U - Sand box for casting cylinder castings

Info

Publication number: CN217749252U
Application number: CN202221757005.5U
Authority: CN
Inventors: 胡广; 傅世尧; 曹绪昆; 傅继勇; 于志远
Original assignee: Ningbo Zhenhai Yongli Machinery Foundry Co ltd
Current assignee: Ningbo Zhenhai Yongli Machinery Foundry Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-08
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to a foundry goods sand box technical field just discloses a sand box is used in casting of drum foundry goods, including the sand box body, the sand box body includes cope flask and drag flask, the cope flask with the drag flask sets up to the same drum of specification, the cope flask with the drag flask corresponds the connection from top to bottom, first fixed ear is installed to the both sides of cope flask, the fixed ear of second is installed to the drag flask both sides, first fixed ear with the fixed ear of second all sets up to the fixed block that has the through-hole, the cope flask with the drag flask lateral part is provided with the gag lever post, the gag lever post with first fixed ear with the fixed ear interlude of second is connected, and through the cooperation of fixed ear with the gag lever post, can fix a position upper and lower sand box mould assembling to improve the accuracy of mould assembling, make the inside casting groove of sand box dock as far as possible, improve the quality of drum foundry goods blank, accessible nut locks the gag lever post simultaneously, the sand box tilting of being convenient for.

Description

Sand box for casting cylinder castings

Technical Field

The utility model relates to a foundry goods sand box technical field specifically is a sand box is used in drum foundry goods casting.

Background

Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. Because the molding material used in sand casting is cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and can adapt to single-piece production, batch production and mass production of castings, the basic process in casting production has been long-term, wherein the main steps comprise drawing, molding, core making, molding, melting and pouring, cleaning and the like, and the used mold is generally called a sand box. Generally, when cylindrical castings are produced, in order to enable the castings to be stably filled with molten iron in the pouring process, a vertical pouring mold filling mode is adopted, namely the axis of the cylindrical castings is perpendicular to the horizontal direction, most of the upper and lower sand boxes are manually provided with mold closing marks before mold closing, after mold stripping, the upper and lower sand boxes are closed and checked through mark lines, so that pouring openings in the upper sand box correspond to mold grooves of the lower sand box, and the mold closing needs to be checked by naked eyes, so that the precision is poor, and the cylindrical castings are more difficult; therefore, the prior requirement is not met, and a sand box for casting cylinder castings is provided for the prior requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sand box is used in casting of drum foundry goods, the beneficial effect who possesses has solved the current stage that mentions among the above-mentioned background and before going on cope and drag flask mould assembling, most manual work preparation mould assembling mark, after the delivery of the pattern, with cope and drag flask mould assembling, check through the mark line to the mould groove with pouring in the cope flask mouth and drag flask corresponds, this kind of mould assembling needs the naked eye to check, and to the more difficult problem of drum foundry goods.

The utility model provides a following technical scheme: the utility model provides a sand box is used in casting of drum foundry goods, includes the sand box body, the sand box body includes cope flask and drag flask, the cope flask with the drag flask sets up to the same drum of specification, the cope flask with the drag flask corresponds the connection from top to bottom, first fixed ear is installed to the both sides of cope flask, the fixed ear of second is installed to the drag flask both sides, first fixed ear with the fixed ear of second all sets up to the fixed block that has the through-hole, the cope flask with the drag flask lateral part is provided with the gag lever post, the gag lever post with first fixed ear with the fixed ear of second alternates and connects.

As a drum foundry goods is sand case alternative for casting, wherein: the bottom of the second fixing lug is welded with a limiting slot, the bottom of the limiting rod is spliced and attached with the limiting slot, and the top end of the limiting rod is provided with a threaded end.

As a drum foundry goods is sand case alternative for casting, wherein: the cope flask lateral part welding has the lug, the lower flask lateral part welding has the groove of answering, the lug with answer the groove buckle grafting.

As a drum foundry goods is sand case alternative for casting, wherein: the lug and the corresponding groove are connected with the limiting rod in an inserting mode.

As a drum foundry goods is sand case alternative for casting, wherein: the side walls of the upper sand box and the lower sand box are provided with a plurality of sand overflow holes, and the plurality of sand overflow holes are circular through holes.

As a drum foundry goods foundry sand case alternative, wherein: and interlayer slots are formed in the middle parts of the side walls of the upper sand box and the lower sand box, movable sleeves are arranged on the upper sand box and the lower sand box, the movable sleeves are provided with smooth and complete sleeves, and the movable sleeves are arranged in the interlayer slots in an inserting and sliding manner.

As a drum foundry goods foundry sand case alternative, wherein: the two sides of the movable sleeve are attached to the sand overflow hole.

As a drum foundry goods foundry sand case alternative, wherein: the top of the movable sleeve is welded with a handle.

The utility model discloses possess following beneficial effect:

1. this sand box for casting of drum foundry goods, through at the cope flask and the lower flask both sides installation fixed ear, be convenient for remove cope and drag flask, through the cooperation of fixed ear with the gag lever post, can fix a position cope and drag flask mould assembling, thereby improve the accuracy of mould assembling, make the inside casting groove of sand box dock as far as possible, improve the quality of drum foundry goods blank, gag lever post bottom is pegged graft with spacing slot simultaneously, the gag lever post top has the screw thread end, the accessible nut locks the gag lever post, the sand box of being convenient for turns over the case.

2. This sand box for casting of drum foundry goods through the lug with connect the cooperation of answering the recess, can further carry out the spacing of position to cope and drag flask mould assembling, make it be difficult to remove, and then reduce the error, improve the precision, the lug still alternates with the gag lever post with connecing the recess simultaneously, has strengthened the locate function of gag lever post.

3. According to the sand box for casting the cylinder castings, through the matching of the sand overflowing hole and the movable sleeve, when the movable sleeve is inserted into the sand box, the sand overflowing hole is blocked, molding sand is convenient to tamp, the movable sleeve is pulled out, the sand overflowing hole is smooth, sand falling of the sand box is convenient, and dregs and sand overflow in advance after casting.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention.

Fig. 3 is a schematic view of the structure of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the present invention.

Fig. 5 is an enlarged schematic view of the position a of the present invention.

In the figure: 110. a cope flask; 111. a first fixing lug; 120. a drag flask; 121. a second fixing lug; 130. a limiting rod; 131. a threaded end; 140. limiting slots; 150. a sand overflow hole; 160. a movable sleeve; 170. a handle; 180. a receiving groove is formed; 190. and (4) a bump.

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.

Example 1

In the present embodiment, it is intended to facilitate solving the problem that most of the molding marks are manually made before the cope and drag flasks are molded at the present stage, after the mold is taken, the cope and drag flasks are molded and checked by a mark line, so that the pouring openings in the cope flask 110 correspond to the mold grooves of the drag flask 120, which requires visual checking and is more difficult for cylindrical castings, referring to fig. 1-2, a sand box for casting cylindrical castings, which includes a flask body including the cope flask 110 and the drag flask 120, the cope flask 110 and the drag flask 120 are configured as cylinders having the same specification, the cope flask 110 and the drag flask 120 are configured as steel flasks, as shown in fig. 1, the cope flask 110 and the drag flask 120 are correspondingly connected up and down, first fixing lugs 111 are welded to both sides of the cope flask 110, second fixing lugs 121 are mounted to both sides of the drag flask 120, the first fixing lugs 111 and the second fixing lugs 111 are configured as through-holes, the cope flask 110 and the drag flask 120 are configured as a stopper rod 130, the stopper rod 130 is configured as a stainless steel round rod, and the stopper rod 130 is configured to move, and the stopper rod is inserted into the fixing lug and the drag flask 110 and the fixing lug.

Referring to fig. 2, the bottom of the second fixing lug 121 is welded with a limiting slot 140, the bottom of the limiting rod 130 is inserted into the limiting slot 140, the top end of the limiting rod 130 is provided with a threaded end 131, and the threaded end 131 can be connected with a nut in a threaded manner, so that the limiting rod 130 is locked, the cope flask 110 and the drag flask 120 cannot be separated, and the flask turnover is facilitated.

In this embodiment: the fixing lugs are arranged on the two sides of the cope flask 110 and the drag flask 120, so that the cope flask and the drag flask are convenient to move, the cope flask and the drag flask can be positioned by matching the fixing lugs with the limiting rod 130, the precision of the mold assembling is improved, the casting grooves in the cope flask and the drag flask are butted as far as possible, the quality of cylinder casting blanks is improved, meanwhile, the bottom of the limiting rod 130 is spliced with the limiting slot 140, the top of the limiting rod 130 is provided with a threaded end 131, the limiting rod 130 can be locked through nuts, and the cope flask and the drag flask are convenient to turn over.

Example 2

The present embodiment is intended to facilitate solving the problem that most of the molding marks are manually made before the cope and drag flasks are molded at the present stage, and after the mold is taken out, the cope and drag flasks are molded and checked by the mark line, so that the pouring opening in the cope flask corresponds to the mold groove of the drag flask, such molding needs to be checked visually, and the problem is more difficult for the cylinder casting. The convex block 190 and the corresponding groove 180 are in penetrating connection with the limiting rod 130, and the convex block 190 and the corresponding groove 180 are both rectangular buckling blocks which are different from the limiting rod 130 in object limitation, so that the mould assembling accuracy of the cope flask 110 and the drag flask 120 can be further improved.

In this embodiment: through the cooperation of lug 190 and the groove 180 that should connect, can further carry out the spacing of position to cope and drag flask mould assembling, make it be difficult to remove, and then reduce the error, improve the precision, lug 190 still alternates with gag lever post 130 with the groove 180 that should connect simultaneously, has strengthened gag lever post 130's locate function.

Example 3

The embodiment intends to facilitate solving the problem that slag is generated inside molding sand due to high temperature of molten iron during casting, and sand in the sand box overflows due to expansion caused by heat and contraction caused by cold, and is an improvement on the basis of embodiment 2, specifically, referring to fig. 2-4, a plurality of sand overflow holes 150 are formed in the side walls of the cope flask 110 and the drag flask 120, the plurality of sand overflow holes 150 are circular through holes, sand can penetrate through the sand overflow holes 150, an interlayer slot is formed in the middle of the side walls of the cope flask 110 and the drag flask 120, the movable sleeves 160 are installed on the cope flask 110 and the drag flask 120, the movable sleeves 160 are smooth and complete sleeves, the movable sleeves 160 are slidably inserted into the interlayer slot, two sides of the movable sleeves 160 are attached to the sand overflow holes 150, the sand overflow holes 150 can be blocked, sand can be tamped during molding, a handle 170 is welded to the top of the movable sleeves 160, the movable sleeves 160 can be lifted and pulled away, and the movable sleeves 160 can be pulled away after casting, so as to facilitate sand and sand falling.

In this embodiment: when the movable sleeve 160 is inserted into the sand box, the sand overflow hole 150 is blocked, so that molding sand can be tamped conveniently, the movable sleeve 160 is pulled out, the sand overflow hole 150 is smooth, the sand box can fall out conveniently, dregs and sand can overflow in advance after pouring, the pressure on the side wall of the sand box is reduced, and the service life of the sand box is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A sand box for casting of cylindrical castings, comprising a flask body including a cope flask (110) and a drag flask (120), characterized in that: the cope flask (110) and the drag flask (120) are arranged to be cylinders with the same specification, the cope flask (110) and the drag flask (120) are connected up and down correspondingly, first fixing lugs (111) are installed on two sides of the cope flask (110), second fixing lugs (121) are installed on two sides of the drag flask (120), the first fixing lugs (111) and the second fixing lugs (121) are both arranged to be fixing blocks with through holes, limiting rods (130) are arranged on the side portions of the cope flask (110) and the drag flask (120), and the limiting rods (130) are connected with the first fixing lugs (111) and the second fixing lugs (121) in a penetrating mode.

2. The sand box for casting of cylindrical castings according to claim 1, wherein: the bottom of the second fixing lug (121) is welded with a limiting slot (140), the bottom of the limiting rod (130) is spliced and attached with the limiting slot (140), and the top end of the limiting rod (130) is provided with a threaded end (131).

3. The sand box for casting of cylindrical castings according to claim 1, wherein: the side of the cope flask (110) is welded with a projection (190), the side of the drag flask (120) is welded with a receiving groove (180), and the projection (190) is buckled and spliced with the receiving groove (180).

4. The sand box for casting of cylindrical castings according to claim 3, wherein: the lug (190) and the corresponding groove (180) are connected with the limiting rod (130) in an inserting mode.

5. The sand box for casting of cylindrical castings according to claim 1, wherein: the side walls of the cope flask (110) and the drag flask (120) are provided with a plurality of sand overflow holes (150), and the sand overflow holes (150) are circular through holes.

6. The sand box for casting of cylindrical castings according to claim 5, wherein: sandwich slots are formed in the middles of the side walls of the cope flask (110) and the drag flask (120), movable sleeves (160) are installed on the cope flask (110) and the drag flask (120), the movable sleeves (160) are provided with smooth and complete sleeves, and the movable sleeves (160) are installed in the sandwich slots in an inserting and sliding mode.

7. The sand box for casting of cylindrical castings according to claim 6, characterized in that: the two sides of the movable sleeve (160) are jointed with the sand overflow hole (150).

8. The sand box for casting of cylindrical castings according to claim 7, wherein: the top of the movable sleeve (160) is welded with a handle (170).