CN220698183U

CN220698183U - Casting sand box

Info

Publication number: CN220698183U
Application number: CN202322240028.XU
Authority: CN
Inventors: 傅明康; 赵伟龙; 毛成荣; 谢和星; 胡珂珂
Original assignee: Ningbo Rixing Foundry Co ltd
Current assignee: Ningbo Rixing Foundry Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-04-02
Anticipated expiration: 2033-08-18

Abstract

The utility model provides a casting sand box, which belongs to the technical field of casting molding and comprises an upper box body and a lower box body which is detachably arranged with the upper box body, wherein the lower box body comprises a lower box outer frame, a sand-saving box baffle is fixedly arranged in the lower box outer frame, a raised shape-following box baffle is arranged between the sand-saving box baffle and the lower box outer frame, in the vertical direction, the height of the shape-following box baffle is higher than that of the sand-saving box baffle, and gaps are formed in the shape-following box baffle, the lower surfaces of the shape-following box baffle, the shape-following box baffle and the lower box outer frame are all positioned on the same horizontal plane, so that a pouring channel reserved area is formed by the shape-following box baffle, and the casting sand box has the advantages that the structure stability of the sand box is ensured by fixing the shape-following box baffle and the lower box outer frame, the height of the sand-saving box baffle can also meet the use requirement of the sand box, and after casting sand is filled into the sand-saving box baffle, the thickness of the casting sand in the sand-saving box baffle can still meet the thickness requirement of a cavity on the casting sand on the premise of meeting the production requirement; and the casting sand box can be used for producing the special chill for the V13 hub of the Jinfeng technology.

Description

Casting sand box

Technical Field

The utility model belongs to the technical field of casting molding, and particularly relates to a casting sand box.

Background

Casting refers to the technological process that solid metal is melted into liquid state and poured into a casting mold with a specific shape, and after solidification and forming, a casting with preset shape, size and performance is obtained after cleaning treatment. The casting process can be commonly used to the sand box, the sand box is a part of the constitution casting mould, mainly used holds and supports the sand mould, like the 4MW wind generating set adaptation flange preparation sand box that patent number CN218168641U discloses, it specifically discloses can all be provided with triangle-shaped sand saving district in four right angles inboard on sand box flange limit and realize the sand saving, but to current novel sand box, in order to further save sand box material and save sand, can make nearly circular with the sand box frame and carry out the adaptation with the foundry goods, then just can not offer the sand saving district and save sand at its corner again, then how to realize further effective sand saving under the prerequisite that satisfies sand box intensity demand becomes a problem that needs to solve.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides a casting sand box capable of realizing further sand saving.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a casting sand box, includes the box, and with the lower box that the box can dismantle the setting on, the box includes the box frame down, box frame internal fixation is provided with the sand-saving case fender down, the sand-saving case fender with be provided with bellied shape case fender down between the box frame, in vertical orientation, shape case fender highly be higher than save the height of case fender, just save sand case fender along with shape case fender and the lower surface of box frame all is located same horizontal plane down, shape case fender is gone up and is seted up the breach and form and is watered the reserve.

In the casting sand box, the upper check ring is integrally arranged in the upper box body, the lower check ring is integrally arranged in the lower box body, and when the upper box body and the lower box body are subjected to die assembly, the upper check ring is tightly attached to the lower check ring to form a sand saving cavity.

In the casting sand box, the lower check ring comprises a ring main body integrally arranged with the outer frame of the lower box, and a movable check ring detachably arranged with the ring main body, and when the upper box body and the lower box body are subjected to die assembly, the movable check ring is positioned between the upper check ring and the ring main body in the vertical direction.

In the casting sand box, a plurality of supporting plates are arranged on the inner side wall of the movable check ring at intervals, and the supporting plates extend towards the center direction of the movable check ring.

In the casting sand box, a plurality of connection square steels are uniformly arranged on the upper box outer frame and the lower box outer frame, and each connection square steel comprises a square steel with openings at two ends and a half square steel with an opening at one end.

In the casting sand box, an upper overturning platform is integrally arranged on the upper box outer frame, a lower overturning platform is integrally arranged on the lower box outer frame, and part of the connecting square steel is fixedly arranged on the upper overturning platform and the lower overturning platform respectively.

In the casting sand box, a plurality of lining plates are arranged on the inner walls of the upper check ring and the lower check ring at intervals, U-shaped lock screw holes are formed in the lining plates, and reinforcing plates are uniformly arranged on each lining plate.

In the casting sand box, the upper box body and the lower box body are fixedly provided with a plurality of lifting lugs, the upper box outer frame and the lower box outer frame are fixedly provided with a plurality of fixed square steel, and one end of each lifting lug penetrates through the fixed square steel and then is welded and fixed with the fixed square steel

In the casting sand box, the reinforcing ribs are fixedly arranged between the fixed square steel and the lifting lugs.

In the casting sand box, the upper box body is provided with the upper test block groove, the lower box body is provided with the lower test block groove, and a test block generating space is formed between the upper test block groove and the lower test block groove after the upper box body and the lower box body are assembled.

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

(1) The structure stability of the sand box is ensured by fixing the shape-following box baffle and the lower box outer frame, so that the height of the sand-saving box baffle can be reduced to meet the use requirement of the sand box, and after the molding sand is filled into the sand-saving box baffle, the molding sand in the sand-saving box baffle can still be kept at the thickness of 60-90 mm, thereby meeting the thickness requirement of a cavity on the molding sand and realizing sand saving on the premise of meeting the production requirement;

(2) The follow-up box baffle is provided with a notch, so that the follow-up box baffle at the notch is flush with the upper end surface of the sand saving box baffle, and the sand saving is further realized while the follow-up box baffle forms a pouring channel reserved area to facilitate the installation of a follow-up pouring channel;

(3) The detachable connection between the ring main body and the movable check ring enables the movable check ring to be moved away from the lower box body before the box-forging operation, and damage caused by stress of the movable check ring in the box-forging operation is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic perspective view of the lower case;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

fig. 4 is a schematic cross-sectional view of the present utility model.

In the drawing, an upper case 100; a lower case 101; an upper case outer frame 102; a lower case outer frame 103; a flask stop 104; a conformal box stop 105; notch 106; an upper retainer ring 107; a lower retainer ring 108; a ring main body 109; a movable retainer ring 110; a support plate 111; square steel 112; half square steel 113; an upturned platform 114; a turn-down platform 115; a backing plate 116; a reinforcing plate 117; lifting lugs 118; fixing square steel 119; a reinforcing rib 120; an upper test block groove 121; lower block slot 122.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1-4, a casting sand box comprises an upper box body 100 and a lower box body 101 which is detachably arranged with the upper box body 100, wherein the upper box body 100 comprises an upper box outer frame 102, the lower box body 101 comprises a lower box outer frame 103, a sand saving box baffle 104 is fixedly arranged in the lower box outer frame 103, a raised shape following box baffle 105 is arranged between the sand saving box baffle 104 and the lower box outer frame 103, the height of the shape following box baffle 105 is higher than that of the sand saving box baffle 104 in the vertical direction, and the lower surfaces of the sand saving box baffle 104, the shape following box baffle 105 and the lower box outer frame 103 are all positioned on the same horizontal plane, and a notch 106 is formed on the shape following box baffle 105 to form a pouring channel reserved area.

It should be noted that the shape-following box stop 105 is fixed with the lower box outer frame 103, and the shape-following box stop 105 is composed of rib plates matched with the shape-following box stop according to the shape of the mold, and the sand-saving box stop 104 is fixed with the shape-following box stop 105; and the sand saving box block 104 is also arranged in the upper box body 100, so that the sand saving of the upper box body 100 can be realized, and a notch corresponding to the notch 106 on the lower box body 101 is also arranged at the corresponding position of the upper box body 100.

In the embodiment, when sand is filled into the sand box, the height of the sand is kept flush with the height of the box stopper, and the following box stopper 105 and the lower box outer frame 103 are fixed to ensure the structural stability of the sand box, so that the height reduction setting of the sand-saving box stopper 104 can also meet the use requirement of the sand box, and after the sand is filled into the sand-saving box stopper 104, the thickness of the sand in the sand-saving box stopper 104 can still be kept at 60-90 mm, thereby meeting the thickness requirement of a cavity on the sand and realizing sand saving on the premise of meeting the production requirement; and a notch 106 is formed on the shape following box baffle 105, so that the shape following box baffle 105 at the notch 106 is flush with the upper end surface of the sand saving box baffle 104, and the sand saving is further realized while the pouring channel reserved area is formed to facilitate the installation of a subsequent pouring channel.

It is worth mentioning that the casting sand box in this application can be used to the special chill production of gold wind science and technology V13 wheel hub.

Preferably, the upper check ring 107 is integrally arranged in the upper box body 100, the lower check ring 108 is integrally arranged in the lower box body 101, when the upper box body 100 and the lower box body 101 are assembled, the upper check ring 107 is closely placed on the lower check ring 108 to form a sand-saving cavity, when sand is injected, sand is not required to be filled in the sand-saving cavity, sand saving can be realized, and the use strength of the box body is also ensured by the arrangement of the check rings.

Further preferably, the lower check ring 108 includes a ring main body 109 integrally provided with the lower case outer frame 103, and a movable check ring 110 detachably provided with the ring main body 109, the movable check ring 110 being located between the upper check ring 107 and the ring main body 109 in the vertical direction when the upper case 100 and the lower case 101 are clamped.

In this embodiment, compared with the integrally provided ring main body 109 and the movable retainer ring 110, the detachable connection between the ring main body 109 and the movable retainer ring 110 enables the movable retainer ring 110 to be removed from the lower case 101 before the boxing operation, thereby avoiding damage to the movable retainer ring 110 caused by stress during the boxing operation.

It should be noted that before sand injection of the lower case 101, the movable retainer ring 110 and the ring main body 109 may be fixed by resin sand, so that subsequent sand injection operation is facilitated, and the connection and fixation of the resin sand also facilitate the subsequent falling off of the movable retainer ring 110 from the ring main body 109, and the reinforcing ring is further fixedly arranged on the outer ring surface of the movable retainer ring 110.

Further preferably, a plurality of support plates 111 are arranged on the inner side wall of the movable retainer ring 110 at intervals, the support plates 111 extend towards the center direction of the movable retainer ring 110, and the arrangement of the support plates 111 can enhance the use strength of the movable retainer ring 110 and prolong the service life of the movable retainer ring 110.

Preferably, the upper case outer frame 102 and the lower case outer frame 103 are integrally provided with a plurality of connection square steels, and the connection square steels include a square steel 112 with openings at both ends and a square steel 113 with an opening at one end.

In the embodiment, when the sand boxes are required to be stacked due to site limitation, for stacking a small amount of sand boxes, such as stacking two layers of sand boxes, only the openings of the corresponding half-through square steel 113 on the sand boxes are relatively stacked, and then small square steel is inserted into the openings for positioning; for stacking of the multi-layer sand boxes, after the square steel 112 on the multi-layer sand boxes are aligned, round steel is inserted for positioning, and the arrangement of the square steel 113 and the square steel 112 not only can fix the sand boxes in a stacked manner, but also can strengthen the use strength of the outer frame.

Further preferably, the upper box outer frame 102 is integrally provided with an upper turnover platform 114, the lower box outer frame 103 is integrally provided with a lower turnover platform 115, and part of the connecting square steel is fixedly arranged on the upper turnover platform 114 and the lower turnover platform 115 respectively.

In this embodiment, connect the square steel setting on the turn-over platform, can strengthen the intensity of use of turn-over platform, and the setting of turn-over platform can avoid the sand box to take place to turn on one's side or rock when turning over.

Further preferably, the inner walls of the upper retainer ring 107 and the lower retainer ring 108 are provided with a plurality of lining plates 116 at intervals, the lining plates 116 are provided with U-shaped locking screw holes, each lining plate 116 is provided with a reinforcing plate 117, the reinforcing plates 117 can strengthen the connection stability between the lining plates 116 and the retainer rings, and in order to ensure the connection effect, each lining plate 116 is provided with two reinforcing plates 117.

It should be noted that, a plurality of U-shaped locking screw holes are also provided on the upper case frame 102 and the lower case frame 103 at intervals.

Preferably, a plurality of lifting lugs 118 are fixedly arranged on the upper box body 100 and the lower box body 101, a plurality of fixed square steels 119 are fixedly arranged on the upper box outer frame 102 and the lower box outer frame 103, one end of each lifting lug 118 penetrates through the fixed square steel 119 and then is welded and fixed with the fixed square steel 119, compared with the direct welded and fixed connection of the lifting lug 118 and the sand box, the welding area between the lifting lug 118 and the sand box can be increased due to the arrangement of the fixed square steel 119, and the connection stability between the lifting lug 118 and the sand box is guaranteed.

Further preferably, a reinforcing rib 120 is fixedly arranged between the side of the fixed square steel 119 facing the lifting lug 118 and the lifting lug 118, so that connection fastening between the lifting lug 118 and the fixed square steel 119 is reinforced.

Further preferably, the upper case 100 is provided with an upper test block groove 121, the lower case 101 is provided with a lower test block groove 122, and a test block generation space is defined between the upper test block groove 121 and the lower test block groove 122 after the upper case 100 and the lower case 101 are clamped.

In this embodiment, after the casting is formed, data detection needs to be performed on the casting, multiple test blocks can be additionally cast on the casting through the arrangement of the test block generating space, so that material loss is reduced, and subsequent data detection is facilitated.

It should be noted that in the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless explicitly defined otherwise. The terms "coupled," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a casting sand box, its characterized in that, including last box, and with last box can dismantle the lower box that sets up, it includes the upper box frame to go up the box, the lower box includes the lower box frame, lower box frame internal fixation is provided with the sand-saving case keeps off, the sand-saving case keep off with be provided with bellied shape case keep off down between the box frame, on vertical orientation, shape case keep off highly be higher than save the height of sand box keep off, just the sand-saving case keep off along with shape case keep off and the lower surface of lower box frame all is located same horizontal plane, shape case keep off along with set up the breach and form and water the reserve.

2. The casting flask according to claim 1, wherein an upper retainer ring is integrally provided in the upper case, a lower retainer ring is integrally provided in the lower case, and the upper retainer ring is closely placed on the lower retainer ring to form a sand saving cavity when the upper case and the lower case are clamped.

3. A foundry flask according to claim 2, wherein the lower retainer ring comprises a ring main body integrally provided with the lower box outer frame, and a movable retainer ring detachably provided with the ring main body, the movable retainer ring being located between the upper retainer ring and the ring main body in a vertical direction when the upper box body and the lower box body are clamped.

4. A casting flask according to claim 3, wherein a plurality of support plates are provided on the inner side wall of the movable retainer ring at intervals, the support plates extending in the direction of the center of the movable retainer ring.

5. The casting flask according to claim 1, wherein the upper and lower frames are provided with a plurality of square connection steels uniformly, and the square connection steels include square through steels each having openings at both ends and square half steels each having an opening at one end.

6. The casting flask according to claim 5, wherein the upper casing frame is integrally provided with an upper turn-over platform, the lower casing frame is integrally provided with a lower turn-over platform, and wherein a part of the connecting square steel is fixedly arranged on the upper turn-over platform and the lower turn-over platform, respectively.

7. The casting sand box of claim 2, wherein a plurality of lining plates are arranged on the inner walls of the upper check ring and the lower check ring at intervals, U-shaped lock screw holes are formed in the lining plates, and reinforcing plates are uniformly arranged on each lining plate.

8. The casting sand box according to claim 1, wherein a plurality of lifting lugs are fixedly arranged on the upper box body and the lower box body, a plurality of fixed square steel is fixedly arranged on the upper box outer frame and the lower box outer frame, and one end of each lifting lug penetrates through the fixed square steel and then is welded and fixed with the fixed square steel.

9. The casting flask as claimed in claim 8, wherein a reinforcing rib is fixedly provided between the fixed square steel and the lifting lug.

10. The casting flask according to claim 1, wherein the upper case is provided with an upper test block groove, the lower case is provided with a lower test block groove, and a test block generation space is defined between the upper test block groove and the lower test block groove after the upper case and the lower case are clamped.