Complex-structure full-core-wrapping type mold core for automobile casting
By setting a cavity and heat sink in the core to accelerate cooling, and using turbine blades and motors to clean the mold sand and filter gas, the long cooling time of the mold core and flue gas problems are solved, and the casting production efficiency and working environment are improved.
Patent Information
- Application Number
- CN202421095230.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing cores cool for a long time during casting molding, which reduces casting efficiency and produces smoke that is harmful to the health of the staff.
A comprehensive core-inclusive core of automobile castings is designed, including a base, a fixture, a first core assembly and a second core assembly. A cavity and a heat sink are arranged between the outer core and the inner core to accelerate cooling. Turbine blades and bidirectional motors are used to clean molded sand and filter gases.
The raw material forming and cooling process is accelerated, the casting production efficiency is improved, and harmful components in the air are filtered through the activated carbon adsorption layer, improving the working environment.
Smart Images

Figure CN222307278U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cores, in particular to a fully encapsulated core for automobile castings with a complex structure. Background Art
[0002] The core, commonly known as "mud core" or "core", is an important tool used to form the internal structure of the casting during the casting process; it is usually made of core sand mixed with raw sand and a binder (such as water glass, resin, etc.), and is made in a core box by hand or machine (such as core blowing machine, core shooting machine, etc.); the role of the core includes forming the inner cavity, holes and complex shapes of the casting to facilitate the casting process.
[0003] At present, when the core is in use, after the high-temperature raw materials are injected into the core, it is necessary to wait for the raw materials to be formed before the finished product can be taken out. The existing core takes a long time to wait for the raw materials to cool down, which reduces the efficiency of the accessory casting. At the same time, the core will also generate more smoke during the casting process, which will affect the health of the staff if inhaled by the staff. Utility Model Content
[0004] The utility model aims to provide a fully encapsulated core for automobile castings with complex structures, so as to solve the problem that a lot of time is required for cooling the core proposed in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solutions: a fully encapsulated core for complex structure automobile castings, comprising a base, a fixing frame, a first core assembly and a second core assembly are arranged on the base, and a bidirectional cleaning assembly is arranged on the fixing frame;
[0006] The second core assembly comprises an outer core, an inner core is arranged inside the outer core, a cavity is arranged between the inner core and the outer core, and a heat sink is arranged inside the cavity;
[0007] The bidirectional cleaning component comprises a shell arranged on the top of the outer core, a turbine blade is arranged inside the shell, a bidirectional motor is connected to one end of the turbine blade, and a first adsorption layer is arranged on the inner wall of the shell.
[0008] Preferably, a plurality of openings are provided on one side of the shell, and the second adsorption layer and the first adsorption layer are respectively inserted into the openings.
[0009] Preferably, the second adsorption layer and the first adsorption layer are respectively located at two ends of the turbine blade, and both the second adsorption layer and the first adsorption layer are in sliding connection with the shell.
[0010] Preferably, a second core component is disposed on one side of the first core component, and the first core component and the second core component have the same structure.
[0011] Preferably, the second adsorption layer and the first adsorption layer are both made of activated carbon.
[0012] Preferably, a slide groove is provided on the top of the base, a sliding block is inserted into the slide groove, one end of the base is fixedly connected to a hydraulic cylinder, and one end of the hydraulic cylinder is connected to one side of the sliding block.
[0013] Preferably, a first core assembly is disposed on the top of the sliding block, and the first core assembly is slidably connected to the base.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] (1) This device can accelerate the molding of the raw materials inside the inner core and improve the efficiency of cooling and shaping the raw materials.
[0016] (2) The device arranges an outer core on the outer wall of the inner core to form a cavity between the outer core and the inner core, and arranges a heat sink inside the cavity, thereby accelerating the discharge of heat inside the inner core and accelerating the molding speed of the raw material.
[0017] (3) The device sets bidirectionally rotatable turbine blades on the top of the outer core. When the turbine blades rotate in the forward direction, they can clean the molding sand on the surface of the product after the inner core is molded. When the turbine blades rotate in the reverse direction, they can absorb, filter and discharge the gas generated when the raw materials are injected. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a cross-sectional view of a fully encapsulated core of a complex structure automobile casting of the utility model;
[0019] Figure 2 This is a front view of a fully encapsulated core of a complex structure automobile casting of the utility model;
[0020] Figure 3 The utility model is a fully encapsulated core for complex structure automobile castings. Figure 1 Enlarged view of point A in the middle.
[0021] In the figure: 1. hydraulic cylinder; 2. base; 3. first core assembly; 4. slider; 5. second core assembly; 51. outer core; 52. heat sink; 53. inner core; 6. bidirectional cleaning assembly; 61. turbine blade; 62. first adsorption layer; 63. shell; 64. second adsorption layer; 65. bidirectional motor; 7. fixing frame. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 The utility model provides a technical solution: a fully enclosed core for automobile castings with a complex structure, comprising a base 2, a fixing frame 7, a first core assembly 3 and a second core assembly 5 are arranged on the base 2, a slide groove is opened on the top of the base 2, a slider 4 is inserted in the slide groove, one end of the base 2 is fixedly connected to a hydraulic cylinder 1, and one end of the hydraulic cylinder 1 is connected to one side of the slider 4; this structure can drive the slider 4 and the first core assembly 3 to slide automatically by arranging the hydraulic cylinder 1; the first core assembly 3 is arranged on the top of the slider 4, and the first core assembly 3 is slidably connected to the base 2; this structure can make the first core assembly 3 more stable during the movement by arranging the slider 4; the second core assembly 5 is arranged on one side of the first core assembly 3, and the first core assembly 3 and the second core assembly 5 have the same structure; this structure can form a fully enclosed processing method by arranging the first core assembly 3 and the second core assembly 5, thereby improving the integrity of the finished product; a two-way cleaning assembly 6 is arranged on the fixing frame 7;
[0024] The second core assembly 5 includes an outer core 51, an inner core 53 is arranged inside the outer core 51, a cavity is arranged between the inner core 53 and the outer core 51, and a heat sink 52 is arranged inside the cavity;
[0025] The bidirectional cleaning component 6 includes a shell 63 arranged on the top of the outer core 51, and a plurality of openings are opened on one side of the shell 63, in which the second adsorption layer 64 and the first adsorption layer 62 are respectively inserted; this structure can draw the second adsorption layer 64 and the first adsorption layer 62 out of the shell 63 for cleaning; the second adsorption layer 64 and the first adsorption layer 62 are respectively located at the two ends of the turbine blade 61, and the second adsorption layer 64 and the first adsorption layer 62 are both slidably connected to the shell 63; the material of the second adsorption layer 64 and the first adsorption layer 62 are both activated carbon; this structure can filter harmful components and dust particles in the air by arranging the second adsorption layer 64 and the first adsorption layer 62; a turbine blade 61 is arranged inside the shell 63, one end of the turbine blade 61 is connected to a bidirectional motor 65, and the first adsorption layer 62 is arranged on the inner wall of the shell 63; the heat dissipation inside the inner core 53 can be accelerated by arranging the heat sink 52; the turbine blade 61 can be driven to rotate forward and reverse by arranging the bidirectional motor 65.
[0026] Working principle: When using the fully enclosed core of the complex structure automobile casting, the hydraulic cylinder 1 first pushes the slider 4 and the first core assembly 3 to slide, so that the first core assembly 3 and the second core assembly 5 are joined together, and then the raw material is filled from the top of the outer core 51 and the inner core 53. After the raw material is filled, the heat on the surface of the inner core 53 is accelerated to be discharged through the heat sink 52, thereby accelerating the cooling and molding of the raw material. When the product is formed, the first core assembly 3 is opened, and the gas generated during the operation enters the inside of the shell 63 from the bottom of the shell 63 under the work of the turbine blade 61, and then is filtered by the first adsorption layer 62 and the second adsorption layer 64 and discharged from the top of the shell 63. After the first core assembly 3 is opened, the turbine blade 61 can be rotated in the forward direction, so that the high-speed airflow generated when the turbine blade 61 rotates can clean the molding sand on the surface of the finished product.
[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A fully encapsulated core for complex structure automobile castings, comprising a base (2), characterized in that: The base (2) is provided with a fixing frame (7), a first core assembly (3) and a second core assembly (5); the fixing frame (7) is provided with a bidirectional cleaning assembly (6); The second core assembly (5) comprises an outer core (51), an inner core (53) is arranged inside the outer core (51), a cavity is arranged between the inner core (53) and the outer core (51), and a heat sink (52) is arranged inside the cavity; The bidirectional cleaning component (6) comprises a shell (63) arranged on the top of the outer core (51), a turbine blade (61) is arranged inside the shell (63), one end of the turbine blade (61) is connected to a bidirectional motor (65), and a first adsorption layer (62) is arranged on the inner wall of the shell (63).
2. A fully encapsulated core for complex structure automobile castings according to claim 1, characterized in that: A plurality of openings are provided on one side of the shell (63), and the second adsorption layer (64) and the first adsorption layer (62) are respectively inserted into the openings.
3. A fully encapsulated core for complex structure automobile castings according to claim 2, characterized in that: The second adsorption layer (64) and the first adsorption layer (62) are respectively located at two ends of the turbine blade (61), and the second adsorption layer (64) and the first adsorption layer (62) are both in sliding connection with the shell (63).
4. The fully encapsulated core for complex structure automobile castings according to claim 1, characterized in that: A second core component (5) is arranged on one side of the first core component (3); the first core component (3) and the second core component (5) have the same structure.
5. The fully encapsulated core for complex structure automobile castings according to claim 2, characterized in that: The second adsorption layer (64) and the first adsorption layer (62) are both made of activated carbon.
6. The fully encapsulated core for complex structure automobile castings according to claim 1, characterized in that: A slide groove is provided on the top of the base (2), a slide block (4) is inserted into the slide groove, one end of the base (2) is fixedly connected to a hydraulic cylinder (1), and one end of the hydraulic cylinder (1) is connected to one side of the slide block (4).
7. A fully encapsulated core for complex structure automobile castings according to claim 6, characterized in that: A first core component (3) is arranged on the top of the sliding block (4), and the first core component (3) is slidably connected to the base (2).