Castable photosensitive resin investment casting mold core degreasing tool based on 3D printing

By designing a 3D printed castable photosensitive resin investment casting core degreasing tooling including heating and cooling components, the problems of long drying time and low demolding efficiency in investment casting are solved, rapid drying and automatic demolding are achieved, and working efficiency is improved.

CN222643168UActive Publication Date: 2025-03-21AN HUI OU YE ZHI NENG ZHI ZAO YOU XIAN ZE REN GONG SI
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Patent Information

Application Number
CN202323458762.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-18
Publication Date
2025-03-21
Estimated Expiration
2033-12-18

AI Technical Summary

Technical Problem

During the investment casting process, the drying of the photosensitive resin takes a long time, and the demolding process relies on manual operations, resulting in inefficient work.

Method used

A investment casting mold core degreasing tool based on 3D printed castable photosensitive resin is designed, including a degreasing device body, operating parts, heating parts and cooling parts. By combining heating and cooling parts, the resin can be quickly dried and automatic molding released.

Benefits of technology

The tooling can significantly shorten the drying time of the resin, improve work efficiency, reduce the cost of manual operation, and prevent the resin from cracking due to high temperatures.

✦ Generated by Eureka AI based on patent content.

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Abstract

A 3D printing based casting photosensitive resin investment casting mold core degreasing tool comprises a degreasing device body, an operation part, a heating part and a cooling part, the operation part is fixedly arranged in the degreasing device body, the heating part is fixedly arranged at the bottom of the lower end of the degreasing device body, and the cooling part is fixedly arranged at the bottom of the lower end of the degreasing device body. The cooling components are fixedly arranged in the two transverse sides of the degreasing device body in a mirror image mode, mounting grooves provide fixing and mounting spaces for the multiple telescopic rods and the multiple telescopic springs, a worker can press two sets of handrails downwards, the multiple telescopic rods conduct compression movement downwards, and the degreasing device can conduct degreasing conveniently. According to the demolding device, the two sets of downward pressing frames are arranged to drive the containing table to conduct downward pressing movement at the same time, the limiting rods limit the downward pressing movement range of the containing table, the downward pressing range of the containing table is smaller than the downward pressing range of the two sets of downward pressing frames, articles on the containing table are driven to complete demolding, and the working efficiency can be effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing casting mold core degreasing, and is a mold core degreasing tooling based on 3D printing castable photosensitive resin investment casting. Background Art

[0002] In the process of investment casting, photosensitive resin is poured into the mold core for cooling and fixing. The mold is placed in a ventilated dry environment to allow it to dry naturally. However, it takes a certain amount of time for the resin to dry completely. After the process is completed, it needs to be removed from the mold. It is manually pulled out one by one from the fixed mold. This method takes up a lot of time and labor costs, resulting in low work efficiency. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a degreasing tooling for a mold core of a castable photosensitive resin investment casting based on 3D printing, including a degreasing device body, an operating component, a heating component, and a cooling component;

[0004] The operating component is fixedly arranged inside the degreasing device body, the heating component is fixedly arranged at the bottom of the lower end of the degreasing device body, and the cooling component is fixedly arranged in the inside of the two lateral sides of the degreasing device body in a mirror image;

[0005] The operating component includes a top component, a pressing component, and an operating frame;

[0006] The top component is movably arranged at the upper end of the degreasing device body to match the degreasing device body, the operation frame is fixedly arranged inside the degreasing device body, and the pressing component is movably arranged inside the operation frame.

[0007] Furthermore, the top component includes a top cover, a heat insulation layer, and heat dissipation holes;

[0008] The top cover is movably arranged on the top of the degreasing device body, the heat insulation layer is fixedly arranged inside the top cover, and a plurality of heat dissipation holes are evenly arranged on the outside of the top cover.

[0009] Furthermore, the pressing component includes a mounting groove, a pressing frame, an armrest, a telescopic rod, a placing table, a limiting rod, and a telescopic spring;

[0010] The mounting groove is fixedly arranged inside the operating frame, a plurality of telescopic rods are fixedly arranged in mirror images at the four corners of the mounting groove, two groups of downward pressure frames are movably arranged at the upper ends of the plurality of telescopic rods, two groups of armrests are fixedly arranged in mirror images at the upper ends of the two groups of downward pressure frames, one end of a plurality of telescopic springs is fixedly arranged inside the mounting groove, and the other end is fixedly connected to the placing table, and the limit rod is fixedly arranged at the center position of the mounting groove.

[0011] Furthermore, the heating component includes a fixed frame, a heating tank, and a heating tube;

[0012] The fixed frame is fixedly arranged at the lower end of the operating component, a plurality of the heating grooves are fixedly arranged inside the fixed frame, and a plurality of the heating tubes are fixedly arranged in a mirror image inside the plurality of the heating grooves.

[0013] Further, the cooling component includes a right frame, a cooling chamber, a cooling tank, a condenser tube, a cooling fan, and a ventilation hole;

[0014] The right frame is fixedly arranged on the right side of the degreasing device body, the cooling chamber is opened inside the right frame, two groups of the air coolers are fixedly arranged on one side of the right frame in a mirror-like manner, two groups of the cooling grooves are opened inside the two lateral sides of the degreasing device body in a mirror-like manner, two groups of the condensing pipes are fixedly arranged inside the two groups of the cooling grooves in a mirror-like manner, passed through the cooling chamber and fixedly connected, and a plurality of the ventilation holes are fixedly opened on the outside of the degreasing device body.

[0015] Furthermore, the two groups of downward pressing frames are movably connected to the placing table, and the placing table is driven to perform downward pressing movement by pressing down the two groups of armrests.

[0016] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0017] The investment casting mold core is based on a 3D printed castable photosensitive resin degreasing tooling, which has a simple structure and is easy to use. The staff injects the resin into the internal mold, covers the top cover, and heats the internal resin through the several heating tubes at the bottom. At the same time, the two groups of condensing tubes on both sides dissipate the internal temperature to prevent the resin from cracking due to excessive temperature. After the model is dried, the top cover at the upper end is opened. The staff can press down the two groups of handrails to drive the two groups of pressing frames to press down through the several telescopic rods, and at the same time drive the placement table to telescope. The limit rod limits the pressing height of the placement table, so that the two groups of pressing frames can be separated from the placement table, thereby demolding the dried model, which can effectively improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 An axonometric view of the utility model is shown;

[0020] Figure 2 An axial sectional view of the utility model is shown;

[0021] Figure 3 Shows a front view of the utility model;

[0022] Figure 4 The utility model is shown Figure 1 Enlarged view of point A in the middle.

[0023] In the figure:

[0024] 1. Degreasing device body; 2. Operating components; 21. Operating frame; 3. Heating components;

[0025] 31. Fixed frame; 32. Heating tank; 33. Heating tube; 4. Cooling component; 41. Right frame;

[0026] 42. Cooling chamber; 43. Cooling tank; 44. Condenser tube; 45. Air cooler; 46. Ventilation hole;

[0027] 5. Top component; 51. Top cover; 52. Heat insulation layer; 53. Heat dissipation hole; 6. Pressing component;

[0028] 61. Mounting slot; 62. Pressed frame; 63. Handrail; 64. Telescopic rod; 65. Placement table;

[0029] 66. Limit rod; 67. Telescopic spring. DETAILED DESCRIPTION

[0030] Now the utility model is further described in detail with reference to the accompanying drawings. Figure 1 , Figure 1 Shows an axonometric view of the utility model; see Figure 2 , Figure 2 Shows an axial side sectional view of the utility model; see Figure 3 , Figure 3 Shows a front view of the utility model; see Figure 4 , Figure 4 The utility model is shown Figure 1 The enlarged view of point A in the figure; Figure 1-4 As shown, a degreasing tooling for a mold core of a 3D-printed castable photosensitive resin investment casting comprises a degreasing device body 1, an operating component 2, a heating component 3, and a cooling component 4;

[0031] The operating component 2 is fixedly arranged inside the degreasing device body 1, the heating component 3 is fixedly arranged at the bottom of the lower end of the degreasing device body 1, and the cooling component 4 is fixedly arranged in the inside of the two lateral sides of the degreasing device body 1 in a mirror image;

[0032] The operating component 2 includes a top component 5, a pressing component 6, and an operating frame 21;

[0033] The top component 5 is movably disposed at the upper end of the degreasing device body 1 to match the degreasing device body 1 , the operation frame 21 is fixedly disposed inside the degreasing device body 1 , and the pressing component 6 is movably disposed inside the operation frame 21 .

[0034] Optionally, the top component 5 includes a top cover 51, a heat insulation layer 52, and heat dissipation holes 53;

[0035] The top cover 51 is movably arranged on the top of the degreasing device body 1, the heat insulation layer 52 is fixedly arranged inside the top cover 51, and a plurality of heat dissipation holes 53 are evenly arranged on the outside of the top cover 51. The top cover 51 matches the degreasing device body 1. During the process of manufacturing, the top cover 51 can be pressed to maintain the internal temperature.

[0036] Optionally, the pressing component 6 includes a mounting groove 61, a pressing frame 62, a handrail 63, a telescopic rod 64, a placement table 65, a limiting rod 66, and a telescopic spring 67;

[0037] The mounting slot 61 is fixedly arranged inside the operating frame 21, and a plurality of telescopic rods 64 are fixedly arranged at the four corners of the mounting slot 61 in a mirror image. Two groups of downward pressing frames 62 are movably arranged at the upper ends of the plurality of telescopic rods 64, and two groups of handrails 63 are fixedly arranged at the upper ends of the two groups of downward pressing frames 62 in a mirror image. One end of a plurality of telescopic springs 67 is fixedly arranged inside the mounting slot 61, and the other end is fixedly connected to the placing table 65. The limiting rod 66 is fixedly arranged at the center position of the mounting slot 61. The mounting slot 61 provides a fixing and installation space for the plurality of telescopic rods 64 and the plurality of telescopic springs 67. The staff can compress the plurality of telescopic rods 64 downward by pressing down the two groups of handrails 63, thereby driving the placing table 65 to perform a pressing activity at the same time. The limiting rod 66 limits the pressing activity range of the placing table 65, so that the pressing range is smaller than the pressing range of the two groups of downward pressing frames 62, thereby driving the articles on the placing table 65 to complete demoulding, thereby effectively improving the working efficiency.

[0038] Optionally, the heating component 3 includes a fixed frame 31, a heating tank 32, and a heating tube 33;

[0039] The fixed frame 31 is fixedly arranged at the lower end of the operating component 2, a plurality of the heating grooves 32 are fixedly arranged inside the fixed frame 31, and a plurality of the heating tubes 33 are fixedly arranged in a mirror-image manner inside the plurality of the heating grooves 32. The fixed frame 31 provides a fixing and installation space for the plurality of the heating grooves 32 and the plurality of the heating tubes 33. The temperature of the plurality of the heating tubes 33 can be used to dry the resin injected into the mold core, thereby improving the efficiency of drying the fixed mold.

[0040] Optionally, the cooling component 4 includes a right frame 41, a cooling chamber 42, a cooling tank 43, a condenser 44, a cooling fan 45, and a ventilation hole 46;

[0041] The right frame 41 is fixedly arranged on the right side of the degreasing device body 1, and the cooling chamber 42 is opened inside the right frame 41. Two groups of the air coolers 45 are fixedly arranged on one side of the right frame 41 in a mirror-like manner. Two groups of the cooling grooves 43 are opened inside the two lateral sides of the degreasing device body 1 in a mirror-like manner. Two groups of the condensing pipes 44 are fixedly arranged inside the two groups of the cooling grooves 43 in a mirror-like manner, and are fixedly connected through the cooling chamber 42. A number of the ventilation holes 46 are fixedly opened on the outside of the degreasing device body 1. The two groups of the cooling grooves 43 provide space for fixing and installing the two groups of the condensing pipes 44. The two groups of the condensing pipes 44 can cool down the internal temperature and perform cooling treatment when the objects are dried and molded. The two groups of the air coolers 45 can cool down the condensing pipes 44 inside the cooling chamber 42, and through the cooperation with the heating component 3, the molding and drying rate of the resin objects can be effectively improved.

[0042] Optionally, the two groups of the pressing down frames 62 are movably connected to the placing table 65, and the placing table 65 is driven to perform a pressing down movement by pressing down the two groups of the armrests 63. By pressing down, the placing table 65 and the two groups of the pressing down frames 62 can be displaced, and the internal mold can be demolded, which can save the time cost of manual demolding and effectively improve the demolding efficiency.

[0043] Working principle: The investment casting mold core is based on 3D printing castable photosensitive resin degreasing tooling, with a simple structure and easy use. The staff injects the resin into the internal mold, covers the top cover 51, and heats the internal resin through the several heating tubes 33 at the bottom. At the same time, the two groups of condensing tubes 44 on both sides dissipate the internal temperature to prevent the resin from cracking due to excessive temperature. After the model is dried, open the top cover 51 at the upper end. The staff can press down the two groups of handrails 63 to drive the two groups of pressing frames 62 to press down through the several telescopic rods 64, and at the same time drive the placement table 65 to telescope. The limit rod 66 limits the pressing height of the placement table 65, so that the two groups of pressing frames 62 can be separated from the placement table 65, thereby demolding the dried model, which can effectively improve work efficiency.

Claims

1. A degreasing tool for investment casting mold core based on 3D printing castable photosensitive resin, characterized by: It comprises a degreasing device body (1), an operating component (2), a heating component (3), and a cooling component (4); The operating component (2) is fixedly arranged inside the degreasing device body (1), the heating component (3) is fixedly arranged at the bottom of the lower end of the degreasing device body (1), and the cooling component (4) is fixedly arranged in a mirror image inside the degreasing device body (1) on both sides in the lateral direction; The operating component (2) comprises a top component (5), a pressing component (6), and an operating frame (21); The top component (5) is movably arranged at the upper end of the degreasing device body (1) and matches the degreasing device body (1); the operating frame (21) is fixedly arranged inside the degreasing device body (1); and the pressing component (6) is movably arranged inside the operating frame (21).

2. A 3D printing-based castable photosensitive resin investment casting mold core degreasing tool as claimed in claim 1, characterized in that: The top component (5) comprises a top cover (51), a heat insulation layer (52), and heat dissipation holes (53); The top cover (51) is movably arranged on the top of the degreasing device body (1), the heat insulation layer (52) is fixedly arranged inside the top cover (51), and a plurality of heat dissipation holes (53) are evenly arranged on the outside of the top cover (51).

3. A degreasing tool for investment casting mold core based on 3D printing castable photosensitive resin as claimed in claim 1, characterized in that: The pressing component (6) comprises a mounting groove (61), a pressing frame (62), a handrail (63), a telescopic rod (64), a placing platform (65), a limiting rod (66), and a telescopic spring (67); The mounting groove (61) is fixedly arranged inside the operating frame (21); a plurality of telescopic rods (64) are fixedly arranged at the four corners of the mounting groove (61) in a mirror-image manner; two groups of downward pressure frames (62) are movably arranged at the upper ends of the plurality of telescopic rods (64); two groups of handrails (63) are fixedly arranged at the upper ends of the two groups of downward pressure frames (62) in a mirror-image manner; one end of a plurality of telescopic springs (67) is fixedly arranged inside the mounting groove (61) and the other end is fixedly connected to the placement table (65); and the limiting rod (66) is fixedly arranged at the center position of the mounting groove (61).

4. A 3D printing based castable photosensitive resin investment casting mold core degreasing tooling as claimed in claim 1, characterized in that: The heating component (3) comprises a fixed frame (31), a heating tank (32), and a heating tube (33); The fixed frame (31) is fixedly arranged at the lower end of the operating component (2), a plurality of the heating grooves (32) are fixedly arranged inside the fixed frame (31), and a plurality of the heating tubes (33) are fixedly arranged in a mirror-image manner inside the plurality of the heating grooves (32).

5. The degreasing tooling for investment casting mold core based on 3D printing castable photosensitive resin according to claim 1, characterized in that: The cooling component (4) comprises a right frame (41), a cooling chamber (42), a cooling trough (43), a condenser pipe (44), a cooling fan (45), and a ventilation hole (46); The right frame (41) is fixedly arranged on the right side of the degreasing device body (1), the cooling chamber (42) is opened inside the right frame (41), two groups of cooling fans (45) are fixedly arranged on one side of the right frame (41) in a mirror-like manner, two groups of cooling grooves (43) are opened inside the two lateral sides of the degreasing device body (1) in a mirror-like manner, two groups of condensing pipes (44) are fixedly arranged inside the two groups of cooling grooves (43) in a mirror-like manner, and are fixedly connected through the cooling chamber (42), and a plurality of ventilation holes (46) are fixedly opened on the outside of the degreasing device body (1).

6. A degreasing tool for investment casting mold core based on 3D printing castable photosensitive resin as claimed in claim 3, characterized in that: The two groups of downward pressing frames (62) are movably connected to the placement platform (65), and the placement platform (65) is driven to perform downward pressing movement by pressing down the two groups of armrests (63).