Core box mold structure with double mold temperature controller heating systems
By configuring independent heating systems for the upper and lower molds of the core box mold and adopting an innovative oil circuit design, the problems of inaccurate temperature control and uneven heating of traditional core box molds are solved, achieving more efficient temperature control and uniform heating, and improving the strength and production efficiency of the sand core.
Patent Information
- Application Number
- CN202422747322.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The temperature control accuracy of traditional core box molds is not high and the heating is uneven, which affects the sand core strength and production efficiency.
It adopts a dual-mold temperature control heating system, with independent heating systems for the core box upper mold and lower mold respectively, and realizes precise temperature control and uniform heating through innovative oil circuit design.
The temperature control accuracy and heating uniformity are improved, the curing time of the sand core is shortened, the production efficiency is improved, and the equipment maintenance cost is reduced.
Smart Images

Figure CN223368135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mold heating, in particular to a core box mold structure with a double-mold temperature machine heating system. Background Art
[0002] During the casting process, temperature control of the core box mold is crucial to the quality and efficiency of the cast product. Traditional core box mold heating systems often suffer from issues such as inaccurate temperature control and uneven heating, which can lead to insufficient core strength and even affect the subsequent casting process. Therefore, in the non-mechanical core making process, a new core box mold structure is needed that can achieve precise temperature control and uniform heating of the mold. Utility Model Content
[0003] The utility model provides a core box mold structure with a dual-mold temperature control heating system, which can solve the problems of low temperature control accuracy and uneven heating in the existing core box mold with the upper and lower molds using one heating system, which affects the strength of the sand core and the production efficiency.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a core box mold structure with a dual-mold temperature machine heating system, comprising a core box upper mold, a core box lower mold is arranged on the lower side of the core box upper mold, an upper mold frame is provided on the outer side of the core box upper mold, an upper mold temperature oil circulation system is arranged in the core box upper mold, a lower mold frame is provided on the outer side of the core box lower mold, and a lower mold temperature oil circulation system is arranged in the core box lower mold; the upper mold temperature oil circulation system includes two upper oil outlets arranged on the left end of the core box upper mold, and the core box upper mold is provided with a plurality of upper oil outlets. The rear end and front end of the mold are both provided with upper oil inlets, the core box upper mold is internally provided with an upper oil path, and the upper oil path is respectively connected to the upper oil inlet and the upper oil outlet; the lower mold warm oil circulation system includes a lower oil inlet arranged at the right end of the core box lower mold, a lower oil outlet is arranged at the left end of the core box lower mold, and a lower oil path is provided inside the core box lower mold, and the lower oil path is respectively connected to the lower oil inlet and the lower oil outlet, so that more precise temperature control and more uniform heating effect can be achieved through the dual-mold temperature control system.
[0005] Preferably, a first oil hole corresponding to the upper oil inlet and the upper oil outlet is provided on the side of the upper mold frame to facilitate installation.
[0006] Preferably, a second oil hole corresponding to the lower oil inlet and the lower oil outlet is provided on the side of the lower mold frame to facilitate installation.
[0007] Preferably, a first oil temperature machine is provided on one side of the upper mold frame, and the first oil temperature machine is connected to the upper mold temperature oil circulation system through an oil pipe to form a complete circulation system. The first oil temperature machine adopts a modular design, which is convenient for disassembly and maintenance. The first oil temperature machine can achieve more precise control of the temperature of the core box upper mold, automatically adjust the temperature, and achieve a more uniform heating effect.
[0008] Preferably, a second oil temperature machine is provided on one side of the lower mold frame, and the second oil temperature machine is connected to the lower mold temperature oil circulation system through an oil pipe to form a complete circulation system. The second oil temperature machine adopts a modular design, which is convenient for disassembly and maintenance. The second oil temperature machine can achieve more precise control of the temperature of the core box lower mold, automatically adjust the temperature, and achieve a more uniform heating effect.
[0009] Preferably, the upper oil passage includes a plurality of first longitudinal oil passages arranged on the upper part of the core box upper mold, and a plurality of first transverse oil passages are arranged on the bottom of the core box upper mold. The first longitudinal oil passage and the first transverse oil passage are each provided with at least one pair of first inclined oil passages arranged in a V shape, the two oppositely arranged first inclined oil passages are connected at the top of the cone, and a first vertical oil passage is provided between the two first inclined oil passages.
[0010] Preferably, the lower oil channel includes a plurality of crisscrossing second transverse oil channels and second longitudinal oil channels, and at least one pair of second inclined oil channels arranged in a V shape is provided on the second transverse oil channels. The two oppositely arranged second inclined oil channels are connected at the top of the cone, and a second vertical oil channel is provided between the two second inclined oil channels.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] Through the dual-mold temperature control heating system, independent heating and temperature control of the core box upper mold and the core box lower mold can be achieved, thereby improving the accuracy of temperature control. Through the innovative oil circuit design, the hot oil can be distributed more evenly inside the core box mold, improving the uniformity of heating, thereby avoiding quality problems of the sand core caused by uneven temperature. Due to the improvement in temperature control accuracy and heating uniformity, the curing time of the sand core is shortened, thereby improving production efficiency. The core box mold structure of the present invention is relatively simple, easy to maintain and replace, and reduces the maintenance cost of the equipment. It can solve the problems of the existing core box mold upper and lower molds using one heating system, such as low temperature control accuracy and uneven heating, which affects the strength of the sand core and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0014] Figure 2 This is a three-dimensional structural diagram of the core box upper mold of the utility model;
[0015] Figure 3 This is a three-dimensional structural diagram of the core box lower mold of the utility model;
[0016] Figure 4 This is a schematic structural diagram of the upper mold warm oil circulation system of the present utility model;
[0017] Figure 5 This is a schematic structural diagram of the lower mold warm oil circulation system of the present utility model;
[0018] Figure 6 This is a three-dimensional structural diagram of the upper mold frame of the present utility model;
[0019] Figure 7 It is a three-dimensional structural diagram of the lower mold frame of the present utility model.
[0020] Reference numerals:
[0021] 1. Core box upper mold, 2. Core box lower mold, 3. Upper mold warm oil circulation system, 31. Upper oil outlet, 32. Upper oil inlet, 33. Upper oil channel, 331. First longitudinal oil channel, 332. First transverse oil channel, 333. First inclined oil channel, 334. Second vertical oil channel, 4. Lower mold warm oil circulation system, 41. Lower oil inlet, 42. Lower oil outlet, 43. Lower oil channel, 431. Second transverse oil channel, 432. Second longitudinal oil channel, 433. Second inclined oil channel, 434. Second vertical oil channel, 5. Upper mold frame, 51. First oil hole, 6. Lower mold frame, 61. First oil hole, 7. First oil temperature machine, 8. Second oil temperature machine. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0023] like Figure 1-7As shown, the utility model is to solve the problems of low temperature control accuracy and uneven heating in the existing core box mold upper and lower molds using one heating system, which affects the strength of the sand core and the production efficiency, and provides the following technical solutions: a core box mold structure with a dual-mold temperature machine heating system, comprising a core box upper mold 1, a core box lower mold 2 is arranged on the lower side of the core box upper mold 1, an upper mold frame 5 is provided on the outer side of the core box upper mold 1, an upper mold temperature oil circulation system 3 is arranged in the core box upper mold 1, a lower mold frame 6 is provided on the outer side of the core box lower mold 2, and a lower mold temperature oil circulation system 4 is arranged in the core box lower mold 2; the upper mold temperature oil circulation system 3 includes a heat exchanger arranged on the core box There are two upper oil outlets 31 at the left end of the mold 1, and the rear end and front end of the core box upper mold 1 are both provided with upper oil inlets 32. An upper oil path 33 is provided inside the core box upper mold 1, and the upper oil path 33 is respectively connected to the upper oil inlet 32 and the upper oil outlet 31; the lower mold warm oil circulation system 4 includes a lower oil inlet 41 provided at the right end of the core box lower mold 2, and a lower oil outlet 42 is provided at the left end of the core box lower mold 2. A lower oil path 43 is provided inside the core box lower mold 2, and the lower oil path 43 is respectively connected to the lower oil inlet 41 and the lower oil outlet 42, so that more precise temperature control and more uniform heating effect can be achieved through the dual-mold temperature control system.
[0024] In this embodiment, Figure 6 As shown, the side of the upper mold frame 5 is provided with a first oil hole 51 corresponding to the upper oil inlet 32 and the upper oil outlet 31 to facilitate installation.
[0025] In this embodiment, Figure 7 As shown, the side of the lower mold frame 6 is provided with a second oil hole 61 corresponding to the lower oil inlet 41 and the lower oil outlet 42 to facilitate installation.
[0026] In this embodiment, Figure 1 As shown, a first oil temperature machine 7 is provided on one side of the upper mold frame 5. The first oil temperature machine 7 is connected to the upper mold warm oil circulation system 3 through an oil pipe to form a complete circulation system. The first oil temperature machine 7 adopts a modular design, which is convenient for disassembly and maintenance. The first oil temperature machine 7 can achieve more precise control of the temperature of the core box upper mold 1, automatically adjust the temperature, and achieve a more uniform heating effect.
[0027] In this embodiment, Figure 1 As shown, a second oil temperature machine 8 is provided on one side of the lower mold frame 6. The second oil temperature machine 8 is connected to the lower mold temperature oil circulation system 4 through an oil pipe to form a complete circulation system. The second oil temperature machine 8 adopts a modular design, which is convenient for disassembly and maintenance. The second oil temperature machine 8 can achieve more precise control of the temperature of the core box lower mold 2, automatically adjust the temperature, and achieve a more uniform heating effect.
[0028] In this embodiment, if Figure 1 As shown, the first oil temperature machine 7 and the second oil temperature machine 8 both include temperature sensors, controllers, actuators and other parts, and achieve precise temperature control through intelligent algorithms and control systems.
[0029] In this embodiment, if Figure 4 As shown, the upper oil passage 33 includes a plurality of first longitudinal oil passages 331 arranged on the upper part of the core box upper mold 1, and a plurality of first transverse oil passages 332 are provided at the bottom of the core box upper mold 1. The first longitudinal oil passages 331 and the first transverse oil passages 332 are each provided with at least one pair of first inclined oil passages 333 arranged in a V shape. The two oppositely arranged first inclined oil passages 333 are connected at the top of the cone, and a first vertical oil passage 334 is provided between the two first inclined oil passages 333.
[0030] In this embodiment, if Figure 5 As shown, the lower oil channel 43 includes a plurality of crisscrossing second transverse oil channels 431 and second longitudinal oil channels 432. The second transverse oil channels 431 are provided with at least one pair of second inclined oil channels 433 arranged in a V shape. The two oppositely arranged second inclined oil channels 433 are connected at the top of the cone, and a second vertical oil channel 434 is provided between the two second inclined oil channels 433.
[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0032] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0033] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0034] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.
Claims
1. A core box mold structure with a dual-mold temperature control heating system, characterized in that: include: A core box upper mold (1), a core box lower mold (2) is provided on the lower side of the core box upper mold (1), an upper mold frame (5) is provided on the outer side of the core box upper mold (1), an upper mold warm oil circulation system (3) is provided in the core box upper mold (1), a lower mold frame (6) is provided on the outer side of the core box lower mold (2), and a lower mold warm oil circulation system (4) is provided in the core box lower mold (2); The upper mold warm oil circulation system (3) comprises two upper oil outlets (31) arranged at the left end of the core box upper mold (1), upper oil inlets (32) are arranged at the rear end and the front end of the core box upper mold (1), an upper oil passage (33) is arranged inside the core box upper mold (1), and the upper oil passage (33) is connected to the upper oil inlet (32) and the upper oil outlet (31) respectively; The lower mold warm oil circulation system (4) comprises a lower oil inlet (41) arranged at the right end of the core box lower mold (2), a lower oil outlet (42) arranged at the left end of the core box lower mold (2), and a lower oil passage (43) provided inside the core box lower mold (2), wherein the lower oil passage (43) is connected to the lower oil inlet (41) and the lower oil outlet (42), respectively.
2. The core box mold structure with a dual-mold temperature controller heating system according to claim 1, characterized in that: A first oil hole (51) corresponding to the upper oil inlet (32) and the upper oil outlet (31) is provided on the side of the upper mold frame (5).
3. The core box mold structure with a dual-mold temperature control heating system according to claim 1, characterized in that: A second oil hole (61) corresponding to the lower oil inlet (41) and the lower oil outlet (42) is provided on the side of the lower mold frame (6).
4. The core box mold structure with a dual-mold temperature controller heating system according to claim 1, characterized in that: A first oil temperature machine (7) is provided on one side of the upper mold frame (5), and the first oil temperature machine (7) is connected to the upper mold warm oil circulation system (3) through an oil pipe to form a complete circulation system.
5. The core box mold structure with a dual-mold temperature controller heating system according to claim 1, characterized in that: A second oil temperature machine (8) is provided on one side of the lower mold frame (6), and the second oil temperature machine (8) is connected to the lower mold warm oil circulation system (4) through an oil pipe to form a complete circulation system.
6. The core box mold structure with a dual-mold temperature control heating system according to claim 1, characterized in that: The upper oil passage (33) comprises a plurality of first longitudinal oil passages (331) arranged on the upper portion of the core box upper mold (1); a plurality of first transverse oil passages (332) are arranged on the bottom of the core box upper mold (1); at least one pair of first inclined oil passages (333) arranged in a V-shape are arranged on each of the first longitudinal oil passages (331) and the first transverse oil passages (332); two oppositely arranged first inclined oil passages (333) are connected at the top of the cone; and a first vertical oil passage (334) is arranged between the two first inclined oil passages (333).
7. The core box mold structure with a dual-mold temperature controller heating system according to claim 1, characterized in that: The lower oil passage (43) comprises a plurality of crisscrossed second transverse oil passages (431) and second longitudinal oil passages (432); at least one pair of second inclined oil passages (433) arranged in a V-shape is provided on the second transverse oil passage (431); two oppositely arranged second inclined oil passages (433) are connected at the top of the cone; and a second vertical oil passage (434) is provided between the two second inclined oil passages (433).