CN213856933U

CN213856933U - Mold for producing malleable iron through sand casting

Info

Publication number: CN213856933U
Application number: CN202022929381.5U
Authority: CN
Inventors: 朱文森; 王大鹏; 朱国升
Original assignee: Weifang Xinjingda Machinery Technology Co ltd
Current assignee: Weifang Xinjingda Machinery Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-03
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a produce malleable iron mould through sand casting, including the sand box, the sand box is connected with the cooling box, the rotation is connected with first pivot and two second pivots in the cooling box, the lower extreme transmission of first pivot is connected with driving motor, and the upper end of first pivot run through the cooling box and with sand box fixed connection, two equal fixedly connected with flabellum in the second pivot, a plurality of wind holes have been seted up on the cooling box. The utility model relates to a sand casting technical field, through the cooperation of the first gear that sets up and two second gears, can be so that first pivot and two second pivots rotate in step, and then make two flabellums can cooperate the sand box to rotate in step, the flabellum rotates can produce pressure wind, and cooperation pivoted sand box can accelerate the sand box air current all around and flow, and then accelerates the heat dissipation of sand box, improves cooling efficiency.

Description

Mold for producing malleable iron through sand casting

Technical Field

The utility model belongs to the technical field of sand casting, especially, relate to a produce malleable iron mould through sand casting.

Background

Sand casting refers to a casting method for producing castings in sand, steel, iron and most nonferrous alloy castings can be obtained by the sand casting method, and because the molding materials used for sand casting are 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 the castings, the sand casting is a basic process in casting production for a long time.

At present, the malleable iron is generally produced through a sand casting process, in the casting production process, a mould for sand casting is required to shape molten metal of the malleable iron, the mould for sand casting generally comprises a sand box and a casting mould, the casting mould is molding sand, the traditional sand box is simple in structure, in the using process, the molten metal is generally injected into the sand box, and then the molten metal is waited for shaping through a natural cooling mode to obtain the malleable iron, but the time consumed by the natural cooling mode is long, and the casting efficiency is greatly reduced.

To this end, we propose a mould for producing malleable iron by sand casting to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, and provides a production malleable iron mould through sand casting.

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

the utility model provides a produce malleable iron mould through sand casting, includes the sand box, the sand box is connected with the cooling box, swivelling joint has first pivot and two second pivots in the cooling box, the lower extreme transmission of first pivot is connected with driving motor, and the upper end of first pivot run through the cooling box and with sand box fixed connection, two equal fixedly connected with flabellum in the second pivot, a plurality of wind holes have been seted up on the cooling box, and are provided with link gear between first pivot and two second pivots.

Preferably, the linkage mechanism comprises a first gear and two second gears, the first gear is sleeved on the first rotating shaft, the two second gears are respectively sleeved on the two second rotating shafts, and the two second rotating shafts are meshed with the first rotating shaft.

Preferably, the side wall of the lower end of the sand box is connected with two slide bars, and the cooling box is provided with an annular sliding chute matched with the two slide bars.

Preferably, the side wall of the lower end of the sand box is fixedly connected with a sliding cylinder matched with the sliding rod, the sliding rod is slidably connected with the sliding cylinder, and a plurality of return springs are fixedly connected between the sliding rod and the sliding cylinder.

Preferably, the upper end of the first rotating shaft is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the sand box through a plurality of bolts.

Preferably, the size of the second gear is smaller than the size of the first gear.

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

1. through the cooperation of the first gear and the two second gears that set up, can be so that first pivot and two second pivots rotate in step, and then make two flabellums can cooperate the sand box to rotate in step, and the flabellum rotates can produce pressure wind, cooperates pivoted sand box, can accelerate the air current around the sand box to flow, and then accelerates the heat dissipation of sand box, improves cooling efficiency.

2. Through the cooperation of two slide bars that set up and annular spout, can improve sand box pivoted stability, the cooperation of the slide cartridge and the reset spring that set up in addition for the slide bar has flexible function, and then is convenient for the slide bar dock with annular spout.

Drawings

Fig. 1 is a schematic view of an orthographic perspective structure of a die for producing malleable iron by sand casting according to the present invention;

FIG. 2 is a schematic structural view of the mutual matching of a slide bar and a slide cylinder of a malleable iron mold produced by sand casting according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 sand box, 2 cooling boxes, 3 first rotating shaft, 4 second rotating shaft, 5 driving motors, 6 fan blades, 7 air holes, 8 linkage mechanisms, 81 first gear, 82 second gear, 9 sliding rods, 10 annular sliding grooves, 11 sliding cylinders, 12 return springs, 13 fixing plates and 14 bolts.

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.

Referring to fig. 1-3, a mould for producing malleable iron through sand casting comprises a sand box 1, wherein the sand box 1 is connected with a cooling box 2, the cooling box 2 is rotatably connected with a first rotating shaft 3 and two second rotating shafts 4, the lower end of the first rotating shaft 3 is connected with a driving motor 5 in a transmission manner, the upper end of the first rotating shaft 3 penetrates through the cooling box 2 and is fixedly connected with the sand box 1, the driving motor 5 is YE2-80M-4 in model, the upper end of the first rotating shaft 3 is fixedly connected with a fixing plate 13, the fixing plate 13 is fixedly connected with the sand box 1 through a plurality of bolts 14, and the fixing plate 13 is matched with the bolts 14, so that the sand box 1 and the first rotating shaft 3 can be fixed, and the sand box 1 can be conveniently detached in the later period.

The lower extreme lateral wall of sand box 1 is connected with two slide bars 9, and set up on the cooling box 2 with two slide bar 9 matched with annular spout 10, the cooperation of two slide bars 9 and annular spout 10, can improve sand box 1 pivoted stability, the lower extreme lateral wall fixedly connected with of sand box 1 and slide bar 9 matched with slide barrel 11, slide bar 9 and slide barrel 11 sliding connection, and a plurality of reset spring 12 of fixedly connected with between slide bar 9 and the slide barrel 11, slide barrel 11 and reset spring 12 through setting up, make slide bar 9 flexible, and then make slide bar 9 be convenient for dock with annular spout 10, equal fixedly connected with flabellum 6 on two second pivot 4, a plurality of wind holes 7 have been seted up on the cooling box 2, and be provided with link gear 8 between first pivot 3 and two second pivot 4.

The linkage mechanism 8 comprises a first gear 81 and two second gears 82, the first gear 81 is sleeved on the first rotating shaft 3, the two second gears 82 are respectively sleeved on the two second rotating shafts 4, the two second rotating shafts 4 are all meshed with the first rotating shaft 3, the linkage of the two second rotating shafts 4 and the first rotating shaft 3 can be realized through the matching of the first gear 81 and the two second gears 82, the cost of additionally adding driving equipment is avoided, the size of the second gear 82 is smaller than that of the first gear 81, the size of the second gear 82 is designed, the rotating speed of the first rotating shaft 3 can be increased, and further the rotating speed of the fan blades 6 is increased.

It is right now that the operation principle of the utility model is as follows:

when the cooling speed of the sand box 1 needs to be increased, the driving motor 5 is started at first, the driving motor 5 can drive the first rotating shaft 3 to rotate slowly, the first rotating shaft 3 can drive the sand box 1 to rotate slowly, the two sliding rods 9 can slide in the annular sliding groove 10 to provide stable support for the sand box 1, the loss of heat can be accelerated in the rotating process of the sand box 1, meanwhile, under the transmission of the first gear 81 and the two second gears 82, the two second rotating shafts 4 can rotate synchronously with the first rotating shaft 3, the two second rotating shafts 4 can drive the two fan blades 6 to rotate, pressure wind can be generated in the rotating process of the fan blades 6, the pressure wind can act on the periphery of the sand box 1 through the wind holes 7, the air flow around the sand box 1 is accelerated, and the cooling efficiency of the sand box 1 is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a produce malleable iron mould through sand casting, includes sand box (1), its characterized in that, sand box (1) is connected with cooling box (2), swivelling joint has first pivot (3) and two second pivot (4) in cooling box (2), the lower extreme transmission of first pivot (3) is connected with driving motor (5), and the upper end of first pivot (3) run through cooling box (2) and with sand box (1) fixed connection, two equal fixedly connected with flabellum (6) on second pivot (4), a plurality of wind holes (7) have been seted up on cooling box (2), and are provided with link gear (8) between first pivot (3) and two second pivots (4).

2. A mould for producing malleable steel by sand casting according to claim 1, characterized in that said linkage (8) comprises a first gear (81) and two second gears (82), said first gear (81) being sleeved on the first shaft (3), said two second gears (82) being sleeved on the two second shafts (4) respectively, and both of the two second shafts (4) being engaged with the first shaft (3).

3. The mould for producing malleable iron by sand casting according to claim 1, characterized in that the side wall of the lower end of the sand box (1) is connected with two slide bars (9), and the cooling box (2) is provided with an annular chute (10) which is matched with the two slide bars (9).

4. A mould for producing malleable iron by sand casting according to claim 3, characterized in that the side wall of the lower end of the sand box (1) is fixedly connected with a slide cylinder (11) matched with the slide bar (9), the slide bar (9) is slidably connected with the slide cylinder (11), and a plurality of return springs (12) are fixedly connected between the slide bar (9) and the slide cylinder (11).

5. A mould for producing malleable iron by sand casting according to claim 1, characterised in that the upper end of said first rotary shaft (3) is fixedly connected with a fixing plate (13), and in that the fixing plate (13) is fixedly connected with the sand box (1) by means of a plurality of bolts (14).

6. A mould for manufacturing malleable steel, by sand casting, according to claim 2, characterised in that said second toothed wheel (82) has dimensions smaller than those of the first toothed wheel (81).