Casting mold for small arm split body of heavy industrial robot
By adopting a vertical parting casting mold design, the internal defects and high costs of the forearm of heavy industrial robots were solved, achieving efficient production and improved safety of castings.
Patent Information
- Application Number
- CN202520535164.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-25
AI Technical Summary
The existing heavy industrial robot forearm is made of a welded structure, which has problems such as large internal defects, high production costs, complex shape, and easy cracking during use.
The casting mold design adopts a vertical parting line, including mold plate, forearm split mold, sprue, runner, core head pattern and other structures. Multiple risers and filters are used to achieve sufficient feeding at the hot spot position, simplifying the molding process.
It reduces internal defects in castings, lowers production costs, improves molding efficiency, and evens heat distribution, thus reducing the risk of cracking.
Smart Images
Figure CN223902877U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to foundry mould technical field relates to a kind of heavy industrial robot small arm split's foundry mould. 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 self power source and control ability to realize various industrial processing and manufacturing function;Connecting arm split of machine head 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. At present, counterweight rod gradually changes from integral welding structure type to casting, but the existing casting mould structure is unreasonable, and the modeling process is complex, and the polishing and cleaning workload is large, and the hot spot position of bracket cannot be fully shrinkage in the casting process, so there is a high probability of internal defects in the hot spot position of bracket, which greatly increases the probability of cracking of the bracket working in complex conditions for a long time, and there is a great safety hazard. Therefore, it is necessary to provide a new type of heavy industrial robot small arm split's foundry mould capable of reducing internal defect trend and simplifying modeling process. SUMMARY
[0003] The utility model discloses a kind of heavy industrial robot small arm split's foundry mould, to solve the problem that the existing arm split is mainly taken welding structure in the above background art, large hollow structure, local hot spot position of arm split cannot be effectively shrinkage, there is a high probability of internal defects, in the later use process, the probability of cracking is greatly increased, there is a great safety hazard.
[0004] The utility model discloses a kind of heavy industrial robot small arm split's foundry mould, to solve the problem that the existing arm split is mainly taken welding structure in the above background art, large hollow structure, local hot spot position of arm split cannot be effectively shrinkage, there is a high probability of internal defects, in the later use process, the probability of cracking is greatly increased, there is a great safety hazard.
[0005] In the above-mentioned heavy industrial robot small arm split's foundry mould, the horizontal gate is arranged at one side of the top of the mould plate, and the center hole of the horizontal gate is communicated with the straight gate.
[0006] In the heavy industrial robot arm split body casting mold, two filter screens are arranged at the two channels of the cross gate, and the two filter screens are symmetrically distributed in the form of a straight gate.
[0007] In the heavy industrial robot arm split body casting mold, a knockout guide pin is arranged at the middle part of each side edge of the mold plate.
[0008] In the heavy industrial robot arm split body casting mold, three clamping positioning sand cones are arranged at the top end of the mold plate in a triangular distribution.
[0009] In the heavy industrial robot arm split body casting mold, a lifting handle part is arranged at each corner of the mold plate.
[0010] Compared with the prior art, the heavy industrial robot arm split body casting mold has the advantages that: the vertical split arrangement structure is adopted, the risers can be arranged separately, the risers can fully compensate the hot spot position, the internal defects of the casting are solved, the molten iron enters the three risers respectively, the heat distribution of the part after pouring tends to be relatively balanced, 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
[0011] Figure 1 is a three-dimensional structure schematic view of the heavy industrial robot arm split body casting mold of the utility model.
[0012] Figure 2 is a three-dimensional structure schematic view of the heavy industrial robot arm split body casting mold Figure 1 of the utility model. Figure 1 .
[0013] Figure 3 is a three-dimensional structure schematic view of the heavy industrial robot arm split body casting mold Figure 1 of the utility model. Figure 2 .
[0014] In the drawing, 1 is a mold plate, 2 is a split arm sample mold, 3 is a straight gate, 4 is a filter screen, 5 is a cross gate, 6 is a heat preservation sleeve positioning seat, 7 is a lifting handle part, 8 is a core head sample, 9 is a knockout guide pin, 10 is a clamping positioning sand cone, 11 is a chill, 12 is a riser neck, 13 is a heat preservation sleeve positioning seat sink, 14 is a core head, and 15 is a choke runner. DETAILED DESCRIPTION
[0015] 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.
[0016] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model discloses a heavy industry robot small arm split casting mould, including but not limited to the following structure:
[0017] Mould plate: the main structure of the mould, and other devices are installed to it
[0018] Small arm split sample mould: the cavity that forms the shape of the cast product
[0019] Sprue, runner, choke runner, riser feeding neck (quantity is 3):
[0020] Form the passage of flowing liquid iron, mainly flowing liquid iron into the product cavity, and supplementing the cooling time of the product in the corresponding position
[0021] Sand box pad iron: raise the sand box closing face, guarantee the flatness of closing face
[0022] Box positioning sand cone: subsequent box positioning device
[0023] Box guiding pin: mould guiding device
[0024] Chill: chilling effect, accelerates the cooling time of the corresponding product position
[0025] Filter screen: filter the impurities in liquid iron
[0026] Core head sample: form the cavity of the positioning surface of the core
[0027] The above through this mould, and sand box forms sand mould, after placing the core to the corresponding position, closes the box, and forms the required small arm split through pouring liquid iron.
[0028] Among them, the specific as follows: small arm split sample mould 2 is assembled in the middle part of mould plate 1, core head sample 8 is installed on the other side of the top end of mould plate 1, and a plurality of core heads 14 are arranged at the bottom end of core head sample 8 and correspond to the end of small arm split sample mould 2, a heat preservation sleeve positioning seat recess 13 is formed on the side of the top end of mould plate 1, a heat preservation sleeve positioning seat 6 is arranged in the heat preservation sleeve positioning seat recess 13, the heat preservation sleeve positioning seat 6 is communicated with the cavity of small arm split sample mould 2 through riser feeding neck 12, the both ends of runner 5 are provided with choke runner 15, and choke runner 15 is communicated with the cavity of small arm split sample mould 2, and chill 11 is installed at the ring opening of small arm split sample mould 2.
[0029] Further, in order to better pour liquid iron and filter liquid iron, runner 5 is arranged on one side of the top end of mould plate 1, and the central circular hole of runner 5 is communicated with sprue 3, two filter screens 4 are arranged at the two passages of runner 5, and the two filter screens 4 are symmetrically distributed with sprue 3 as the symmetry center.
[0030] Further, in order to better position the sand box and facilitate the sand box to open, the following structure is arranged, including lifting handle part 7, box opening guide pin 9, and box closing positioning sand cone 10, the box opening guide pin 9 is arranged in the middle of the two side edges of the mold plate 1, three box closing positioning sand cones 10 are arranged at the top of the mold plate 1 in a triangular distribution, and the lifting handle part 7 is installed at the four corners of the mold plate 1.
[0031] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present application. The person 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 heavy industrial robot forearm, comprising a mold plate (1), a forearm split pattern (2), a sprue (3), a runner (5), and a core pattern (8), characterized in that, The forearm split mold (2) is assembled in the middle of the mold plate (1). The core head pattern (8) is installed on the other side of the top of the mold plate (1), and multiple core heads (14) are set at the bottom of the core head pattern (8) corresponding to the end of the forearm split mold (2). The side of the top of the mold plate (1) is provided with a heat insulation sleeve positioning seat recess (13). The heat insulation sleeve positioning seat recess (13) is provided with a heat insulation sleeve positioning seat (6). The heat insulation sleeve positioning seat (6) is connected to the cavity of the forearm split mold (2) through the riser neck (12). Both ends of the horizontal runner (5) are provided with a flow-blocking runner (15). The flow-blocking runner (15) is connected to the cavity of the forearm split mold (2). A chill (11) is installed at the ring opening of the forearm split mold (2).
2. The casting mold for the split forearm of a heavy industrial robot according to claim 1, characterized in that, The horizontal runner (5) is located on one side of the top of the mold plate (1), and the central hole of the horizontal runner (5) is connected to the straight runner (3).
3. The casting mold for the split forearm of a heavy industrial robot according to claim 2, characterized in that, Two filter screens (4) are provided at the two channels of the horizontal sprue (5), and the two filter screens (4) are symmetrically distributed with respect to the straight sprue (3).
4. The casting mold for the split forearm of a heavy industrial robot according to claim 1, characterized in that, The mold plate (1) has a lifting guide pin (9) at the middle of both sides of its edge.
5. The casting mold for the split forearm of a heavy industrial robot according to claim 1, characterized in that, The top of the mold plate (1) is provided with three triangularly distributed box-closing positioning sand cones (10).
6. The casting mold for the split forearm of a heavy industrial robot according to claim 1, characterized in that, Lifting handles (7) are installed at all four corners of the mold plate (1).