Casting mold for counterweight lever of heavy industrial robot

Abstract

The utility model provides a casting mold for a heavy industrial robot counterweight lever, which comprises a mold template, a counterweight lever sample mold, a core head sample mold, a heat insulation sleeve positioning seat, a choked flow pouring gate, a straight pouring gate, a transverse pouring gate and a dead head feeding neck, and the end part of the counterweight lever sample mold is arranged at the top of the mold template through the core head sample mold; the top end of the balance weight lever sample mold is provided with a heat preservation sleeve positioning seat sinking cavity, a heat preservation sleeve positioning seat is arranged in the heat preservation sleeve positioning seat sinking cavity and is communicated with the transverse pouring gate through a flow blocking pouring gate, and the heat preservation sleeve positioning seat is communicated with the balance weight lever sample mold through a riser feeding neck. According to the utility model, a vertical parting arrangement structure is adopted, so that the dead heads can be respectively arranged, the dead heads can fully feed the hot spot position, and the problem of internal defects of a casting is solved; molten iron enters from the two risers respectively, so that the heat distribution of the cast part tends to be balanced relatively, and the stress concentration phenomenon is reduced; the modeling process is simplified, modeling efficiency is improved, and production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foundry mould technical field relates to a kind of foundry mould of heavy industrial robot counterweight rod. BACKGROUND

[0002] Industrial robot is widely used in industrial field multi-joint manipulator or multi-degree-of-freedom machine device, with certain automaticity, can rely on its own power source and control ability realizes various industrial processing and manufacturing function;Connecting the counterweight rod of big arm is key main stress position;Currently, mainly welding structure is used in market, and production cost is high, and in the later use process, due to stress, cracking and failure rate are high, and gradually change from the welding structure type of whole to casting by counterweight rod, but the existing casting mould structure is unreasonable, and the modeling process is complex, and the polishing cleaning workload is large, and the bracket hot spot position cannot be fully shrinkage in the casting process, there is a high probability of internal defects in the bracket hot spot position, which greatly increases the probability of cracks of the bracket working in complex working conditions for a long time, and there is great security risk. Therefore, it is necessary to provide a new type of foundry mould of heavy industrial robot counterweight rod, which can reduce the internal defect trend and simplify the modeling process. SUMMARY

[0003] The utility model aims at providing a kind of foundry mould of heavy industrial robot counterweight rod to solve the problems raised in the above background.

[0004] The utility model discloses a kind of foundry mould of heavy industrial robot counterweight rod, including mould plate, counterweight rod sample mould and core head sample mould, the end of counterweight rod sample mould is installed at the top of mould plate by core head sample mould, still include heat preservation sleeve positioning seat, resistance flow runner, direct runner, cross runner and riser neck, the cross runner is transversely set in mould plate and end head part is communicated with direct runner, the top of counterweight rod sample mould is provided with heat preservation sleeve positioning seat nest, the heat preservation sleeve positioning seat is installed in the inside of heat preservation sleeve positioning seat nest and is communicated cross runner by resistance flow runner, the heat preservation sleeve positioning seat is communicated counterweight rod sample mould by riser neck.

[0005] In the above-mentioned foundry mould of heavy industrial robot counterweight rod, the top of the counterweight rod sample mould is provided with a chill.

[0006] In the above-mentioned foundry mould of heavy industrial robot counterweight rod, the middle part of the two side edges of the mould plate is provided with a knockout guide pin.

[0007] In the above-mentioned foundry mould of heavy industrial robot counterweight rod, the top of the mould plate is provided with three sand cones that are triangularly distributed.

[0008] In the casting mold of the heavy industrial robot counterweight rod, a connecting part between the straight sprue and the cross sprue is provided with a filter screen.

[0009] Compared with the prior art, the casting mold of the heavy industrial robot counterweight rod has the advantages that: the vertical parting arrangement structure is adopted, the risers are arranged respectively, the risers can fully compensate the hot spot position, the problem of internal defects of the casting is solved, the molten iron enters from the two risers respectively, the heat distribution of the part after pouring tends to be relatively balanced, and the stress concentration phenomenon is reduced; the modeling process is simplified, the modeling efficiency is improved, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a perspective structural schematic view of the casting mold of the heavy industrial robot counterweight rod.

[0011] Figure 2 is a perspective structural schematic view of the mold plate of the casting mold of the heavy industrial robot counterweight rod.

[0012] Figure 3 is a plane structural schematic view of the casting mold of the heavy industrial robot counterweight rod. Figure 1

[0013] In the figure, 1 is a mold plate, 2 is a counterweight rod sample mold, 3 is a core head sample mold, 4 is a heat preservation sleeve positioning seat, 5 is a choke runner, 6 is a filter screen, 7 is a straight sprue, 8 is a cross sprue, 9 is a chill, 10 is a clamping positioning sand cone, 11 is a clamping guide pin, 12 is a riser compensation neck, and 13 is a heat preservation sleeve positioning seat sink. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0015] As shown in Figure 1 , Figure 2 and Figure 3 , the utility model discloses a casting mold of heavy industrial robot counterweight rod;

[0016] Mold plate: the main structure of the mold, other devices are installed on it

[0017] Counterweight rod sample: the cavity that forms the shape of the cast product

[0018] Straight sprue, cross sprue, choke runner, heat preservation sleeve positioning seat sink, riser compensation neck:

[0019] Form the channel of flowing molten iron, mainly flow into the product cavity with molten iron, and compensate the product at the same time.​

[0020] Flask pad: Raise the flask clamping surface to ensure the clamping surface is flat.

[0021] Clamping positioning sand cone: Subsequent clamping positioning device.

[0022] Ejection guide pin: Ejection guide device.

[0023] Chill: Chilling effect, accelerate the cooling time of the corresponding product position.

[0024] Filter screen: Filter impurities in the molten iron.

[0025] Core print pattern: Form a cavity for placing the core positioning surface.

[0026] The above through the mold, and the sand box forms a sand mold, the core is placed in the corresponding position after clamping, and the required counterweight rod is formed by pouring molten iron.

[0027] Embodiment: The casting mold comprises a mold plate 1, a counterweight rod pattern 2, and a core print pattern 3, the end of the counterweight rod pattern 2 is installed on the top of the mold plate 1 through the core print pattern 3, and further comprises a heat preservation sleeve positioning seat 4, a choke runner 5, a straight runner 7, a cross runner 8, and a riser feeding neck 12, the cross runner 8 is transversely arranged on the mold plate 1 and the end part is communicated with the straight runner 7, the top of the counterweight rod pattern 2 is provided with a heat preservation sleeve positioning seat recess 13, the heat preservation sleeve positioning seat 4 is installed inside the heat preservation sleeve positioning seat recess 13 and communicated with the cross runner 8 through the choke runner 5, and the heat preservation sleeve positioning seat 4 is communicated with the counterweight rod pattern 2 through the riser feeding neck 12.

[0028] Wherein: The top of the counterweight rod pattern 2 is provided with a chill 9. The middle part of the two side edges of the mold plate 1 is provided with an ejection guide pin 11. The top of the mold plate 1 is provided with three clamping positioning sand cones 10 in a triangular distribution. The connection part between the straight runner 7 and the cross runner 8 is provided with a filter screen 6.

[0029] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The specific embodiments described herein are only illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A casting mold for a counterweight bar of a heavy industrial robot, comprising a mold plate (1), a counterweight bar pattern (2) and a core head pattern (3), the end of the counterweight bar pattern (2) being mounted on top of the mold plate (1) by means of the core head pattern (3), characterized in that It also comprises a heat preservation sleeve positioning seat (4), a flow blocking runner (5), a straight runner (7), a cross runner (8) and a riser feeding neck (12), the cross runner (8) is horizontally arranged on the mold plate (1) and the end part is communicated with the straight runner (7), the top end of the counterweight bar-like mold (2) is provided with a heat preservation sleeve positioning seat sink (13), the heat preservation sleeve positioning seat (4) is installed in the heat preservation sleeve positioning seat sink (13) and communicated with the cross runner (8) through the flow blocking runner (5), the heat preservation sleeve positioning seat (4) is communicated with the counterweight bar-like mold (2) through the riser feeding neck (12).

2. A casting mold for a counterweight bar of a heavy industrial robot according to claim 1, characterized in that, The top end of the counterweight bar-like mold (2) is provided with a cold iron (9).

3. A casting mold for a counterweight bar of a heavy industrial robot according to claim 1, characterized in that, The middle part of the two side edges of the mold plate (1) is provided with a box opening guide pin (11).

4. A casting mold for a counterweight bar of a heavy industrial robot according to claim 1, characterized in that, The top end of the mold plate (1) is provided with three box closing positioning sand cones (10) which are distributed in a triangular shape.

5. A casting mold for a counterweight bar of a heavy industrial robot according to claim 1, characterized in that, The connecting part between the straight runner (7) and the cross runner (8) is provided with a filter screen (6).

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