阅读说明：本技术 一种便携式铝合金铸造装置及浇注方法 (Portable aluminum alloy casting device and pouring method ) 是由 于长富 张祝珲 杨路 马国强 徐鑫 郑建 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种便携式铝合金铸造装置及浇注方法,属于金属铸造技术领域,包括：倾翻机构,用于转动坩埚,由支架、转轴、置放槽、压板组成；过滤机构,用于对钳锅中流下的铝液进行过滤,由滤箱、蓄槽、流槽、支撑架组成；浇注机构,用于对过滤后的铝液进行浇注,由模具、旋转座、限位块、L型架组成。本发明解决了现有技术中因坩埚夹持、浇注方法不规范统一以及缺少小型过滤装置而导致实验铸锭产生缺陷的问题。(The invention discloses a portable aluminum alloy casting device and a pouring method, which belong to the technical field of metal casting and comprise the following steps: the tipping mechanism is used for rotating the crucible and consists of a bracket, a rotating shaft, a holding tank and a pressing plate; the filtering mechanism is used for filtering the aluminum liquid flowing down in the pincer pot and consists of a filtering box, a storage tank, a flow groove and a supporting frame; and the pouring mechanism is used for pouring the filtered aluminum liquid and consists of a mold, a rotating seat, a limiting block and an L-shaped frame. The invention solves the problem that the defects of experimental ingot casting are caused by the nonstandard and uniform crucible clamping and pouring methods and the lack of a small-sized filtering device in the prior art.)

1. A portable aluminum alloy casting apparatus, comprising: the tipping mechanism is used for rotating the crucible (6) and consists of a bracket (1), a rotating shaft (2), a placing groove (3) and a pressing plate (4), the placing groove is rotatably arranged on the bracket through the rotating shaft, a clamp pot is placed in the placing groove, and the clamp pot is fixed by the pressing plate arranged at the opening part of the placing groove; the filtering mechanism is used for filtering the aluminum liquid flowing down from the pincer pot and consists of a filtering box (7), a storage groove (8), a flow groove (9) and a support frame (10), wherein the storage groove is arranged on the support frame, the filtering box is arranged on the storage groove, and the flow groove is connected to the storage groove; the pouring mechanism is used for pouring filtered aluminum liquid and comprises a mold (12), a rotating seat (13), a limiting block (14) and an L-shaped frame (15), the opening of the mold is located below the outlet of a runner, the mold is arranged in the rotating seat, the rotating seat is rotatably connected with the L-shaped frame, and the limiting block can be arranged at the inner angle of the L-shaped frame and supports the rotating seat to incline relative to the vertical direction.

2. The portable aluminum alloy casting apparatus of claim 1, wherein the support and the support frame are both lifting structures and are integrated on a single base.

3. The portable aluminum alloy casting apparatus according to claim 1, wherein the rotating shaft is provided with a turntable (5) at one side thereof.

4. The portable aluminum alloy casting apparatus of claim 1, wherein a ceramic filter (11) is provided in the filter box.

5. The portable aluminum alloy casting apparatus of claim 1, wherein the filter box is flared with a large open end facing upward and a small open end connected to the reservoir.

6. The portable aluminum alloy casting apparatus of claim 1, wherein the runner is provided with a flow passage in an inverted V shape in a flow direction of the molten aluminum.

7. The portable aluminum alloy casting device of claim 1, wherein the rotating base is provided with a stop lever (16) abutting against the abdicating notch on the limiting block.

8. The portable aluminum alloy casting apparatus of claim 1, wherein induction heating coils are disposed in the holding tank, the storage tank and/or the flow tank.

9. The portable aluminum alloy casting apparatus of claim 1, wherein the shaft is connected to the frame for unidirectional rotation via a unidirectional bearing or a ratchet mechanism.

10. A casting method using the portable aluminum alloy casting apparatus as recited in any one of claims 1 to 9, comprising:

in the early stage of pouring, a tipping mechanism, a filtering mechanism and a pouring mechanism are sequentially arranged, and the height of a bracket of the tipping mechanism, the height of a supporting frame of the filtering mechanism and the angle of a rotating seat of the pouring mechanism are adjusted;

in the middle stage of pouring, the pincer pot filled with the aluminum liquid is placed in the placing groove of the tipping mechanism and fixed by the pressing plate, and then the pincer pot rotates through the rotating shaft, so that the aluminum liquid flows out of the pincer pot and enters a mold of the pouring mechanism after sequentially passing through a filter box, a storage groove and a chute of the filtering mechanism;

and at the final stage of pouring, moving the limiting block away, slowly descending the rotating groove and the mold at a constant speed until the rotating groove and the mold are in a vertical position, and taking down the mold after the aluminum liquid is solidified.

Technical Field

The invention belongs to the technical field of metal casting, and particularly relates to a portable aluminum alloy casting device and a pouring method.

Background

In the existing research and development process of aluminum alloy ingots, small-rod-diameter ingots for production tests are usually smelted by adopting a crucible experimental furnace. There are major problems: firstly, during pouring, in the prior art, a crucible filled with aluminum liquid is clamped by a single person, and the aluminum liquid is poured into an inclined mold; secondly, because the ingot is a small-rod-diameter experimental ingot, no matched filtering device is arranged during casting in the prior art, and the defects of slag inclusion, looseness and the like in the ingot are more; thirdly, in the final stage of pouring, the inclined mould needs to be erected, the liquid flow is continuous in the erecting process, the mould is clamped by clamps to be erected by the prior art, the method is difficult to match with the liquid flow, and the pouring position is continuously adjusted in the erecting process, so that the liquid flow is easily interrupted. And after the mold is erected, molten aluminum in the mold can shake, and oxide skin on the surface is easily brought into the molten aluminum due to unstable liquid level, so that defects are generated in ingot casting.

Disclosure of Invention

In view of the above, the present invention is directed to a portable aluminum alloy casting apparatus and a pouring method thereof, and aims to solve the problem of defects of experimental ingots caused by the lack of a small-sized filtering device and the lack of a crucible clamping and pouring method in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a portable aluminum alloy casting device, comprising: the tipping mechanism is used for rotating the crucible and consists of a bracket, a rotating shaft, a placing groove and a pressing plate, wherein the placing groove is rotatably arranged on the bracket through the rotating shaft, a clamp pot is placed in the placing groove, and the clamp pot is fixed by the pressing plate arranged at the opening part of the placing groove; the filtering mechanism is used for filtering the aluminum liquid flowing down from the pincer pot and consists of a filtering box, a storage tank, a flow groove and a support frame, wherein the storage tank is arranged on the support frame, the filtering box is arranged on the storage tank, and the flow groove is connected with the storage tank; the pouring mechanism is used for pouring filtered aluminum liquid and comprises a mold, a rotating seat, a limiting block and an L-shaped frame, the opening of the mold is located below the outlet of the runner, the mold is arranged in the rotating seat, the rotating seat is rotatably connected with the L-shaped frame, and the limiting block can be arranged at the inner angle of the L-shaped frame and supports the rotating seat to incline relative to the vertical direction.

Further, support frame are elevation structure, and both integrate on a base.

Furthermore, one side of the rotating shaft is provided with a turntable.

Further, a ceramic filter disc is arranged in the filter box.

Furthermore, the filter box is in a horn mouth shape, the large opening end of the filter box faces upwards, and the small opening end of the filter box is connected with the storage groove.

Further, the runner is provided with a runner which is inverted splayed along the flowing direction of the aluminum liquid.

Furthermore, a stop lever which is mutually abutted against the abdicating notch on the limiting block is arranged on the rotating seat.

Furthermore, an induction heating coil is arranged in the placing groove, the storage groove and/or the flow groove.

Furthermore, the rotating shaft is connected with the support in a unidirectional rotating mode through a unidirectional bearing or a ratchet mechanism.

The invention also provides a pouring method using the portable aluminum alloy casting device, which is characterized by comprising the following steps:

in the early stage of pouring, a tipping mechanism, a filtering mechanism and a pouring mechanism are sequentially arranged, and the height of a bracket of the tipping mechanism, the height of a supporting frame of the filtering mechanism and the angle of a rotating seat of the pouring mechanism are adjusted;

in the middle stage of pouring, the pincer pot filled with the aluminum liquid is placed in the placing groove of the tipping mechanism and fixed by the pressing plate, and then the pincer pot rotates through the rotating shaft, so that the aluminum liquid flows out of the pincer pot and enters a mold of the pouring mechanism after sequentially passing through a filter box, a storage groove and a chute of the filtering mechanism;

and at the final stage of pouring, moving the limiting block away, slowly descending the rotating groove and the mold at a constant speed until the rotating groove and the mold are in a vertical position, and taking down the mold after the aluminum liquid is solidified.

The invention has the beneficial effects that: the invention ensures that the pouring liquid flow is stable by designing the tipping mechanism, the filtering mechanism and the pouring mechanism, reduces the impurity defect in the ingot and avoids the layering phenomenon of the molten aluminum.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

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

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

reference numerals: the device comprises a support 1, a rotating shaft 2, a placing groove 3, a pressing plate 4, a rotary table 5, a crucible 6, a filter box 7, a storage groove 8, a flow groove 9, a support frame 10, a ceramic filter sheet 11, a mold 12, a rotary seat 13, a limiting block 14, an L-shaped frame 15 and a stop lever 16.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-2, the portable aluminum alloy casting apparatus and the pouring method of the present embodiment include: the tipping mechanism is used for rotating the crucible 6 and consists of a bracket 1, a rotating shaft 2, a placing groove 3 and a pressing plate 4, the placing groove 3 is rotatably arranged on the bracket 1 through the rotating shaft 2, a clamp pot 6 is placed in the placing groove and the clamp pot 6 is fixed by the pressing plate 4 arranged at the opening part of the placing groove 3; specifically, a placing groove is vertically placed on a support, the opening of the placing groove faces upwards, a pressing plate located at the opening of the placing groove is opened, a clamp pot filled with aluminum liquid is placed into the placing groove, the pressing plate is locked back to the placing groove, the clamp pot is fixed, the support is of a lifting structure, the height of the placing groove can be adjusted, the support and the pressing plate can achieve corresponding adjusting functions through bolts, aluminum liquid in a crucible can be poured out stably through a designed tilting mechanism, and the stability of the casting process is improved; the filtering mechanism is used for filtering the aluminum liquid flowing down from the pincer pot 6 and comprises a filtering box 7, a storage tank 8, a flow tank 9 and a support frame 10, wherein the storage tank 8 is arranged on the support frame 10, the filtering box 7 is arranged on the storage tank 8, the flow tank 9 is connected with the storage tank 8, and particularly, the filtering box, the storage tank and the support frame are sequentially arranged from top to bottom, and the flow tanks are connected with the storage tank side by side, so that the aluminum liquid flowing out from the pincer pot flows out after passing through the filtering box, the storage tank and the flow tank, a filtering screen for filtering aluminum slag is arranged in the filtering box, the support frame is of a telescopic structure, the heights of the filtering box, the storage tank and the flow tank can be adjusted, the; the impurity content of the cast ingot can be reduced by designing the filtering mechanism; the pouring mechanism is used for pouring filtered aluminum liquid and comprises a mold 12, a rotating seat 13, a limiting block 14 and an L-shaped frame 15, the opening part of the mold 12 is positioned below the outlet of the runner 9, the mold 12 is arranged in the rotating seat 13, the rotating seat 13 is rotatably connected with the L-shaped frame 15, the limiting block 14 can be arranged at the inner angle of the L-shaped frame 15 and supports the rotating seat 13 to incline relative to the vertical direction, specifically, the mold is arranged in the rotating seat firstly, the rotating seat is supported by the limiting block to incline for a certain angle, the opening part of the mold is aligned with the runner to receive the aluminum liquid flowing out of the runner, and after the aluminum liquid is poured, the limiting block is removed, the rotating seat is slowly put down until the aluminum liquid is vertically static, the mold is taken out after the aluminum liquid is; the length of the limiting block can be selected and matched according to the size of the die and the process requirements so as to meet different inclination angles of the rotating seat; through the design of the pouring mechanism, the whole pouring process is portable and uniform, the rotating groove can ensure that the mold slowly and uniformly tilts to the upright process, pouring liquid flow is stable and continuous, and the defect of slag inclusion brought into the cast ingot by the shaking of the mold is reduced. By adopting the scheme, the aluminum liquid in the crucible can be poured out stably, and the stability of the casting process is improved; the impurity content in the experimental ingot is reduced by filtration; and the molten aluminum is continuous and stable in the final stage of pouring, so that the molten aluminum is prevented from being layered and the slag inclusion phenomenon is reduced. Therefore, the invention enables the pouring process to be more portable and unified, reduces the error of the experimental result caused by the instability of the pouring process and reduces the difficulty of pouring operation; the invention has the advantages that the casting success rate reaches 90 percent, the whole casting technology is improved by 30 percent compared with the prior casting technology, meanwhile, the working efficiency is improved, and the casting cost is reduced.

In another embodiment, the supporting frame 1 and the supporting frame 10 may be integrated on a base (not shown), that is, the supporting frame and the supporting frame are arranged side by side on the base, and the supporting frame have vertically adjustable height and horizontally adjustable distance, so as to facilitate experiment, carrying and operation.

One side of the rotating shaft 2 in the embodiment is provided with a turntable 5, so that the rotating shaft can be rotated conveniently.

The filter screen that sets up in the filter box 7 in this embodiment is ceramic filter piece 11, and filter box 7 is the horn mouth form, and its macrostoma end is up, and the microcephaly end is connected with holding the groove, the ceramic filter piece of being convenient for place and change. The ceramic filter disc can be cut into a proper size according to the size of the filter box.

The storage tank 8 and the launder 9 in this example are bottomed with refractory cement. The launder 9 is provided with a flow channel which is inverted splayed along the flowing direction of the aluminum liquid, thereby being convenient for the flowing of the aluminum liquid and improving the smoothness of the aluminum liquid flow.

In another embodiment, the rotating seat 13 is provided with a stop lever 16 abutting against the receding notch on the stop block 14. Through the design of shelves pole not only can make things convenient for the stopper to the support of roating seat, can also make things convenient for operating personnel to take away the stopper and slowly put down the roating seat in-process and hold taking of roating seat in the later stage of pouring.

In this embodiment, the placing tank 3, the storage tank 8 and/or the launder 9 are provided with induction heating coils (not shown), which can ensure the fluidity of the aluminum liquid before entering the mold and avoid the influence on the pouring quality due to the internal temperature difference.

The rotating shaft 2 in another embodiment is connected with the bracket 1 in a unidirectional rotation way through a unidirectional bearing or a ratchet mechanism. Therefore, the placing groove can only rotate towards one direction in the rotating process of the operation, so that the normal outflow of aluminum liquid is ensured, the operation of operators is facilitated, and the placing groove is prevented from being reversed.

The pouring method of the portable aluminum alloy casting device specifically comprises the following steps:

in the early stage of pouring, a tipping mechanism, a filtering mechanism and a pouring mechanism are sequentially arranged, and the height of a bracket of the tipping mechanism, the height of a supporting frame of the filtering mechanism and the angle of a rotating seat of the pouring mechanism are adjusted;

in the middle stage of pouring, the pincer pot filled with the aluminum liquid is placed in the placing groove of the tipping mechanism and fixed by the pressing plate, and then the pincer pot rotates through the rotating shaft, so that the aluminum liquid flows out of the pincer pot and enters a mold of the pouring mechanism after sequentially passing through a filter box, a storage groove and a chute of the filtering mechanism; placing a filter box preheated at high temperature in a storage tank before casting; keeping heating the placing groove, the storage groove and the flow groove by an induction heating coil;

and at the final stage of pouring, moving the limiting block away, slowly descending the rotating groove and the mold at a constant speed until the rotating groove and the mold are in a vertical position, and taking down the mold after the aluminum liquid is solidified to finish pouring.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.