Accessory structure for reducing lost foam casting deformation
By using auxiliary structures such as support rods, support blocks, and anti-deformation pads in lost foam casting, the problem of mold deformation was solved, processing efficiency was improved, inspection was simplified, and costs were reduced.
Patent Information
- Application Number
- CN202520237540.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In the existing lost foam casting process, the mold structure is prone to deformation and is irregular, resulting in large machining allowances, low efficiency, and complex inspection. Furthermore, the existing process increases machining time and costs.
The auxiliary structure consists of a support rod, a support block, and an anti-deformation pad. The support rod and the inner frame of the white mold form a triangular stable structure. The support block is detachably connected to the bottom of the white mold. The anti-deformation pad is set below the outer long side and is set according to specific rules to reduce deformation.
It effectively reduces casting deformation, improves the processing efficiency of castings and molds, reduces machining allowance, and simplifies the inspection process.
Smart Images
Figure CN223699238U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lost foam casting equipment, more particularly to a kind of attached structure for reducing lost foam casting deformation. BACKGROUND
[0002] The edge ring mold has small proportion in whole set of automobile covering part mold, and has the characteristics such as big change in mold structure, no large plane structure and hollow without support easy to deform, these characteristics are the main reasons for big deformation of mold casting structure when lost foam casting is carried out, random deformation and other problems.Therefore, the machining allowance of working surface is increased in the previous casting process design, to offset the problem of insufficient local machining amount caused by mold casting deformation, but this casting process causes machining time to increase, low processing efficiency, high cost and other shortcomings, and due to the irregular characteristics of deformation size, it also leads to the complexity and tediousness of casting detection before processing, therefore, in view of the above, the existing structure is improved, to provide a kind of attached structure for reducing lost foam casting deformation, to achieve more practical value. SUMMARY
[0003] 1. TECHNICAL PROBLEM TO BE SOLVED
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an attached structure for reducing lost foam casting deformation, which can add the attached structure composed of support rods, support blocks and reverse deformation pads, reduce casting deformation or make deformation controllable, solve the problems of easy deformation of side wall edge ring mold during lost foam casting process and large machining allowance in existing process.
[0005] 2. TECHNICAL SCHEME
[0006] To solve the above problems, the utility model adopts the following technical scheme.
[0007] An attached structure for reducing lost foam casting deformation, comprising a mold white model, a plurality of support rods are arranged inside the mold white model, the two ends of the support rods are fixedly connected with the center point positions of the long side and the short side inside the mold white model, support blocks are arranged at the bottom corners of the mold white model, and reverse deformation pads are arranged at the bottom of both sides of the mold white model.
[0008] Further, the support rods and the inner frame of the mold white model form a triangular stable structure.
[0009] Further, the cross section of the support rod is arranged in inverted trapezoidal shape from wide to narrow.
[0010] Further, the support blocks are detachably connected around the ejector rod structure at the bottom of the mold white model, and are equal in height with the ejector rod.
[0011] Further, the anti-deformation pad is arranged below the center of the long side of the outside of the mold white mold.
[0012] Further, the width of the anti-deformation pad is equal to the width of the long side of the outside of the mold white mold, and the thickness is 6 mm.
[0013] 3. Beneficial effects
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] The scheme comprises an auxiliary structure capable of reducing casting deformation or making the deformation controllable, the support rod and the inner frame of the mold white mold form a triangular stable structure, the support block is detachably connected around the ejector rod structure at the bottom of the mold white mold, the anti-deformation pad is arranged below the center of the long side of the outside of the mold white mold, and the deformation prevention machining allowance of the edge ring type mold casting is effectively reduced by adopting a specific placement rule, so that the casting production and mold machining efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a support rod structure schematic view of the utility model;
[0018] Figure 3 It is a support block structure schematic view of the utility model;
[0019] Figure 4 It is an anti-deformation pad structure schematic view of the utility model.
[0020] Mark explanation in the drawing:
[0021] 1, mold white mold;
[0022] 2, support rod;
[0023] 3, support block;
[0024] 4, anti-deformation pad. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0026] Embodiment:
[0027] Please refer to Figures 1-4 The application relates to an auxiliary structure for reducing the deformation of an expendable pattern casting, which comprises a mold white pattern 1, a plurality of supporting rods 2 arranged in the mold white pattern 1, the two ends of the supporting rods 2 being fixedly connected with the center points of the long side and the short side of the mold white pattern 1, supporting blocks 3 arranged at the four corners of the bottom of the mold white pattern 1, and anti-deformation cushion blocks 4 arranged at the bottom of the mold white pattern 1.
[0028] Please refer to Figure 1 The supporting rods 2 and the inner frame of the mold white pattern 1 form a triangular stable structure.
[0029] Please refer to Figure 2 The cross section of the supporting rods 2 is in the shape of an inverted trapezoid, and the size change trend is similar to the upper and lower structures of the mold white pattern 1, so that the cooling process of the casting can be synchronized, and the stress can be effectively offset to reduce the deformation.
[0030] Please refer to Figure 1 The supporting blocks 3 are detachably connected to the top rod structure around the bottom of the mold white pattern 1 and are in the same height as the top rod, so that the mold white pattern 1 can be effectively supported and the corner deformation of the mold white pattern 1 can be avoided.
[0031] Please refer to Figure 1 The anti-deformation cushion blocks 4 are arranged below the center of the long side of the mold white pattern 1.
[0032] Please refer to Figure 1 The width of the anti-deformation cushion blocks 4 is equal to the width of the long side of the mold white pattern 1, and the thickness is 6 mm.
[0033] In use: the supporting rods 2 connect the midpoints of the frame of the mold white pattern 1 and the frame of the mold white pattern 1 to form a triangular stable structure, and the cross section of the supporting rods 2 is in the shape of an inverted trapezoid, and the size change trend is similar to the upper and lower structures of the mold white pattern 1, so that the cooling process of the casting can be synchronized, and the stress can be effectively offset to reduce the deformation; in addition, the supporting blocks 3 are arranged below the suspended structures at the four corners of the mold white pattern 1 to effectively support the mold white pattern 1 and avoid the corner deformation of the mold white pattern 1; meanwhile, the anti-deformation cushion blocks 4 are arranged at the center of the long side of the mold white pattern 1, the width of the anti-deformation cushion blocks 4 is equal to the width of the long side, the thickness is about 6 mm, and the length is appropriately adjusted according to the length of the mold white pattern 1; through the auxiliary structure composed of the supporting rods 2, the supporting blocks 3 and the anti-deformation cushion blocks 4 and the specific placement rules, the casting deformation can be reduced or controlled, so that the deformation processing allowance of the edge ring type mold casting can be effectively reduced, and the casting production and mold processing efficiency can be improved.
[0034] Finally should be explained is: in the description of the utility model, it is to be explained that, the term "vertical", "upper", "lower", "horizontal" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.
[0035] In the description of the utility model, it is to be explained that, unless otherwise explicitly provided and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled in the art within the technical range disclosed by the utility model, according to the technical scheme of the utility model and its improvement concept, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. An attachment for reducing the deformation of a lost foam casting, comprising a mold white form (1), characterized in that: The mold white model (1) is internally provided with a plurality of support rods (2), both ends of the support rod (2) are fixedly connected with the center point positions of the long side and the short side inside the mold white model (1), the bottom corners of the mold white model (1) are provided with support blocks (3), and the bottom sides of the mold white model (1) are provided with reverse deformation pads (4).
2. An attachment for reducing the distortion of an evaporative pattern casting as defined in claim 1, wherein: The support rod (2) and the inner frame of the mold white model (1) form a triangular stable structure.
3. An attachment for reducing the distortion of an evaporative pattern casting as defined in claim 1, wherein: The cross section of the support rod (2) is set as an inverted trapezoidal shape with the upper part being wide and the lower part being narrow.
4. The attachment of claim 1 wherein: The support block (3) is detachably connected around the ejector rod structure at the bottom of the mold white model (1) and is equal in height to the ejector rod.
5. An attachment for reducing the distortion of an evaporative pattern casting as defined in claim 1, wherein: The reverse deformation pad (4) is arranged below the center of the outer long side of the mold white model (1).
6. An attachment for reducing the distortion of an evaporative pattern casting as defined in claim 1, wherein: The width of the reverse deformation pad (4) is equal to the width of the outer long side of the mold white model (1), and the thickness is 6mm.