Rapid preheating device for mold

By setting high-density resistive wire and temperature sensor on the inside of the mold and controlling the heating process with the thermostat, the problem of long preheating time in the prior art is solved, fast and uniform mold heating is achieved, and production efficiency is improved.

CN223043573UActive Publication Date: 2025-07-01HAIAN SANYI FORGING CO LTD
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Patent Information

Application Number
CN202422228777.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-01
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The existing mold preheating device causes the preheating time to be extended by heating from the outside to the inside, affecting production efficiency.

Method used

The lower mold and the upper mold are heated from the inside to the outside by a high-density resistive wire, and the temperature is monitored in real time through a temperature sensor. The heating process is controlled by a thermostat to achieve an inside to the outside heating method to reduce preheating time.

Benefits of technology

The preheating time of the mold is significantly shortened by the inward-out heating method, improved production efficiency, and maintained heating uniformity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223043573U_ABST
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Abstract

The utility model discloses a quick preheating device for a mould, which particularly relates to the field of mould preheating devices and comprises a base, a lower mould, an upper mould, a lower limiting block and an upper limiting block, the lower mould is mounted on the upper end face of the base, the lower limiting block is arranged on the side end face of the lower mould, and the lower limiting block is connected with the upper mould through the upper limiting block. The upper limiting block is specifically installed on the side end face of the upper mold, mold grooves are formed in the upper end face of the lower mold and the bottom end face of the upper mold, and temperature sensors are arranged on the inner sides of the mold grooves. A lower mold and an upper mold are reserved through a high-density resistance wire, the lower mold and the upper mold are heated from inside to outside, the preheating time is shortened through the heating mode from inside to outside, and the temperature of mold grooves in the inner sides of the lower mold and the upper mold is monitored in real time through a temperature sensor; and the temperature generated by the high-density resistance wire is controlled through the first temperature controller and the second temperature controller, so that the lower mold and the upper mold are preheated.
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Description

Technical Field

[0001] The utility model relates to the field of mold preheating devices, and more specifically, to a rapid mold preheating device. Background Art

[0002] A rapid mold preheating device is a device used to improve the heating efficiency of molds. It can quickly heat the mold to the required temperature in processes such as forging and forming to ensure the smooth progress of the forming process. This device usually adopts efficient heating methods, such as infrared heating or electromagnetic induction heating, to achieve rapid and uniform heating effects. Rapid preheating can shorten the production cycle, improve production efficiency, and contribute to maintaining the stability of product quality.

[0003] For example, the application number CN202122049236.2 discloses a rapid mold preheating device. Four heating plate assemblies can be used to achieve four-sided heating of the inside of the heat preservation box, and the heat preservation box cover and the heat preservation bottom plate can be used to achieve heat preservation treatment of the inside of the heat preservation box, making the temperature of the mold more uniform after preheating. The structure is simple, light, and easy to operate, with uniform heating. In the above device, the heating box body covers the mold, and then the mold is heated from the outside to the inside. However, the side of the mold in contact with the material is the inner side of the mold. Therefore, when the mold is heated by the above device, the preheating time of the mold by the above device is prolonged.

[0004] Therefore, a rapid mold preheating device is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rapid mold preheating device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical solution: A rapid mold preheating device includes a base, a lower mold, an upper mold, a lower limit block, and an upper limit block. The lower mold is installed on the upper end surface of the base, and a lower limit block is provided on the side end surface of the lower mold. The lower limit block is connected to the upper mold through the upper limit block, and the upper limit block is specifically installed on the side end surface of the upper mold.

[0007] The upper end face of the lower mold and the bottom end face of the upper mold are both provided with mold grooves, and temperature sensors are arranged inside the mold grooves. Limit plates are arranged inside both the lower mold and the upper mold, and a high-density resistance wire is connected to the upper end face of the limit plate through a copper support column. Five groups of limit plates are respectively arranged inside the lower mold and the upper mold. Four of the limit plates are installed on the side end faces of the mold grooves, and one of the limit plates is installed on the side away from the opening end of the mold groove. The sides of the limit plates where the high-density resistance wires are installed all face the mold grooves. A first temperature controller is arranged inside the upper limit block, and the first temperature controller is electrically connected to a first controller. The first controller is electrically connected to a first wiring port and a second wiring port. A second temperature controller is arranged inside the cavity of the base, and the second temperature controller is electrically connected to a second controller. The second controller is electrically connected to a third wiring port.

[0008] Preferably, a guiding groove is dug on the upper end face of the lower limit block, and a guiding block is dug on the bottom end face of the upper limit block. The lower mold and the upper mold form a buckling structure through the guiding groove on the upper end face of the lower limit block and the guiding block on the bottom end face of the upper limit block.

[0009] Preferably, the temperature sensors and the high-density resistance wires in the lower mold are electrically connected to the second temperature controller and the second controller, and the third wiring port is specifically installed on the upper end face of the lower limit block.

[0010] Preferably, the temperature sensors and the high-density resistance wires in the upper mold are electrically connected to the first temperature controller and the first controller. The first wiring port is installed on the side end face of the upper limit block, and the second wiring port is installed on the bottom end face of the upper limit block.

[0011] Preferably, the second wiring port is rod-shaped, the third wiring port is groove-shaped, the second wiring port and the third wiring port form a buckling structure, and a power supply port is arranged on the side end face of the base.

[0012] Preferably, the power supply port is electrically connected to the second temperature controller and the second controller through a wire. The second controller is electrically connected to the first controller through the third wiring port and the second wiring port. The first controller is electrically connected to an external power supply through the first wiring port.

[0013] The technical effects and advantages of the present utility model:

[0014] Compared with the prior art, when this rapid mold preheating device is in use, the lower mold and the upper mold are preheated by high-density resistance wires, and then the lower mold and the upper mold are heated from the inside out. By heating from the inside out, the preheating time is reduced. Moreover, the temperature of the mold grooves on the inner sides of the lower mold and the upper mold is monitored in real time by temperature sensors, and the temperature generated by the high-density resistance wires is controlled by the first temperature controller and the second temperature controller, so as to preheat the lower mold and the upper mold.

[0015] Compared with the prior art, when this rapid mold preheating device is in use, the lower mold and the upper mold are buckled through the guiding grooves dug on the upper end surface of the lower limiting block and the guiding blocks installed on the bottom end surface of the upper limiting block, so as to buckle the lower mold and the upper mold. And when the lower mold and the upper mold are buckled, the second wiring port and the third wiring port are buckled to conduct electricity. Through the above structure, this device is convenient to buckle.

[0016] Compared with the prior art, when this rapid mold preheating device is in use, the high-density resistance wires are started, and the lower mold and the upper mold are heated from the inside out by the high-density resistance wires. And five groups of limiting plates are respectively arranged on the inner sides of the lower mold and the upper mold. Four groups of limiting plates are installed on the side end surfaces of the mold grooves, and one group of limiting plates is installed on the side away from the opening end of the mold grooves, so as to heat the lower mold and the upper mold. And the high-density resistance wires in the lower mold and the upper mold are respectively controlled to heat by the first temperature controller, the first controller, the second temperature controller and the second controller. At the same time, the temperature of the mold grooves is monitored in real time by the temperature sensors, so as to preheat the mold grooves. And this device has two power supply methods. The first controller is powered through the power supply port, the second controller and the third wiring port, or the first controller is directly powered through the first wiring port, so as to preheat this device. Brief Description of the Drawings

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0018] Figure 2 It is a front sectional structural schematic diagram of the present utility model.

[0019] Figure 3 It is a front sectional separated structural schematic diagram of the present utility model.

[0020] Figure 4 It is a side sectional separated structural schematic diagram of the present utility model.

[0021] The reference numerals are: 1, base; 2, lower die; 3, upper die; 4, lower limit block; 5, upper limit block; 6, die groove; 7, temperature sensor; 8, limit plate; 9, copper support column; 10, high-density resistance wire; 11, first temperature controller; 12, first controller; 13, first wiring port; 14, second wiring port; 15, second temperature controller; 16, second controller; 17, third wiring port; 18, guide groove; 19, guide block; 20, power supply port. Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1

[0024] As shown in the attached Figures 1 to 3 A rapid mold preheating device, including a base 1, a lower die 2, an upper die 3, a lower limit block 4 and an upper limit block 5. The lower die 2 is installed on the upper end surface of the base 1, and a lower limit block 4 is provided on the side end surface of the lower die 2. The lower limit block 4 is connected to the upper die 3 through the upper limit block 5, and the upper limit block 5 is specifically installed on the side end surface of the upper die 3;

[0025] Die grooves 6 are provided on both the upper end surface of the lower die 2 and the bottom end surface of the upper die 3, and temperature sensors 7 are provided inside the die grooves 6. Limit plates 8 are provided inside both the lower die 2 and the upper die 3, and high-density resistance wires 10 are connected to the upper end surfaces of the limit plates 8 through copper support columns 9. Five groups of limit plates 8 are respectively provided inside the lower die 2 and the upper die 3. Four groups of limit plates 8 are installed on the side end surfaces of the die grooves 6, and one group of limit plates 8 is installed on the side away from the opening end of the die groove 6. And the sides of the limit plates 8 where the high-density resistance wires 10 are installed all face the die grooves 6. A first temperature controller 11 is provided inside the upper limit block 5, and the first temperature controller 11 is electrically connected to a first controller 12. The first controller 12 is electrically connected to a first wiring port 13 and a second wiring port 14. A second temperature controller 15 is provided inside the cavity of the base 1, and the second temperature controller 15 is electrically connected to a second controller 16. The second controller 16 is electrically connected to a third wiring port 17.

[0026] Among them: The lower mold 2 and the upper mold 3 are preheated by using the high-density resistance wire 10. The lower mold 2 and the upper mold 3 are heated from the inside out. By using the heating method from the inside out, the preheating time is reduced. The temperature sensor 7 is used to monitor the temperature of the mold groove 6 on the inner sides of the lower mold 2 and the upper mold 3 in real time. And the first temperature controller 11 and the second temperature controller 15 are used to control the temperature generated by the high-density resistance wire 10, so as to preheat the lower mold 2 and the upper mold 3. Among them, the lower mold 2 and the upper mold 3 are buckled by using the guiding groove 18 dug on the upper end surface of the lower limit block 4 and the guiding block 19 installed on the bottom end surface of the upper limit block 5, so that the lower mold 2 and the upper mold 3 are buckled. And when the lower mold 2 and the upper mold 3 are buckled, the second wiring port 14 and the third wiring port 17 are buckled for power-on. Among them, the high-density resistance wire 10 is started, and the lower mold 2 and the upper mold 3 are heated from the inside out by using the high-density resistance wire 10. And five groups of limiting plates 8 are respectively arranged on the inner sides of the lower mold 2 and the upper mold 3. Four groups of limiting plates 8 are installed on the side end surfaces of the mold groove 6, and one group of limiting plates 8 is installed on the side away from the opening end of the mold groove 6, so as to heat the lower mold 2 and the upper mold 3. And the first temperature controller 11, the first controller 12, the second temperature controller 15 and the second controller 16 are respectively used to control the high-density resistance wire 10 in the lower mold 2 and the upper mold 3 to heat. At the same time, the temperature sensor 7 is used to monitor the temperature of the mold groove 6 in real time to preheat the mold groove 6.

[0027] Embodiment 2

[0028] On the basis of Embodiment 1, the solution in Embodiment 1 is further refined and introduced in combination with the following specific working methods, as Figures 1 to 4 shown, see the following description for details:

[0029] As a preferred implementation manner, a guiding groove 18 is dug on the upper end surface of the lower limit block 4, and a guiding block 19 is dug on the bottom end surface of the upper limit block 5. The lower mold 2 and the upper mold 3 form a buckling structure through the guiding groove 18 on the upper end surface of the lower limit block 4 and the guiding block 19 on the bottom end surface of the upper limit block 5.

[0030] As a preferred implementation manner, the temperature sensor 7 and the high-density resistance wire 10 in the lower mold 2 are electrically connected to the second temperature controller 15 and the second controller 16. The third wiring port 17 is specifically installed on the upper end surface of the lower limit block 4.

[0031] As a preferred implementation manner, the temperature sensor 7 and the high-density resistance wire 10 in the upper mold 3 are electrically connected to the first temperature controller 11 and the first controller 12. The first wiring port 13 is installed on the side end surface of the upper limit block 5, and the second wiring port 14 is installed on the bottom end surface of the upper limit block 5.

[0032] As a preferred embodiment, the second connection port 14 is rod-shaped, the third connection port 17 is groove-shaped, the second connection port 14 and the third connection port 17 form a snap-fit structure, and a power supply port 20 is provided on the side end face of the base 1.

[0033] As a preferred embodiment, the power supply port 20 is electrically connected to the second temperature controller 15 and the second controller 16 through a wire. The second controller 16 is electrically connected to the first controller 12 through the third connection port 17 and the second connection port 14. The first controller 12 is electrically connected to an external power supply through the first connection port 13. Among them, the first controller 12 is powered by the power supply port 20, the second controller 16 and the third connection port 17, or the first controller 12 is directly powered through the first connection port 13, so that the device can perform preheating work.

[0034] The working process of the present utility model is as follows: The lower die 2 and the upper die 3 are snapped together by using the guide groove 18 dug on the upper end face of the lower limit block 4 and the guide block 19 installed on the bottom end face of the upper limit block 5, so that the lower die 2 and the upper die 3 are snapped together. When the lower die 2 and the upper die 3 are snapped together, the second connection port 14 and the third connection port 17 are snapped together. Then, the high-density resistance wire 10 is started, and the lower die 2 and the upper die 3 are heated from the inside to the outside by using the high-density resistance wire 10. Five groups of limit plates 8 are respectively arranged on the inner sides of the lower die 2 and the upper die 3 to heat the lower die 2 and the upper die 3. The high-density resistance wires 10 in the lower die 2 and the upper die 3 are respectively controlled by the first temperature controller 11, the first controller 12, the second temperature controller 15 and the second controller 16. At the same time, the temperature of the die groove 6 is monitored in real time by using the temperature sensor 7 to preheat the die groove 6.

[0035] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A mold rapid preheating device, comprising a base (1), a lower mold (2), an upper mold (3), a lower limit block (4) and an upper limit block (5), characterized in that: The lower mold (2) is mounted on the upper end surface of the base (1), and a lower limit block (4) is provided on the side end surface of the lower mold (2), the lower limit block (4) is connected to the upper mold (3) via an upper limit block (5), and the upper limit block (5) is specifically mounted on the side end surface of the upper mold (3); The upper end surface of the lower mold (2) and the bottom end surface of the upper mold (3) are both provided with a mold groove (6), and a temperature sensor (7) is provided on the inner side of the mold groove (6). The inner sides of the lower mold (2) and the upper mold (3) are both provided with a limit plate (8), and the upper end surface of the limit plate (8) is connected to a high-density resistance wire (10) through a copper support column (9). Five groups of limit plates (8) are provided on the inner sides of the lower mold (2) and the upper mold (3), respectively, of which four groups of limit plates (8) are installed on the side end surface of the mold groove (6), and one group of limit plates (8) is installed away from the mold groove. (6) one side of the opening end, and the side of the limit plate (8) on which the high-density resistance wire (10) is installed faces the mold groove (6), the inner side of the upper limit block (5) is provided with a first temperature controller (11), and the first temperature controller (11) is electrically connected to a first controller (12), the first controller (12) is electrically connected to a first wiring port (13) and a second wiring port (14), the inner cavity of the base (1) is provided with a second temperature controller (15), and the second temperature controller (15) is electrically connected to a second controller (16), and the second controller (16) is electrically connected to a third wiring port (17).

2. A mold rapid preheating device according to claim 1, characterized in that: The upper end surface of the lower limit block (4) is provided with a guide groove (18), and the lower end surface of the upper limit block (5) is provided with a guide block (19). The lower mold (2) forms a buckling structure with the upper mold (3) through the guide groove (18) on the upper end surface of the lower limit block (4) and the guide block (19) on the bottom end surface of the upper limit block (5).

3. A mold rapid preheating device according to claim 1, characterized in that: The temperature sensor (7) and the high-density resistance wire (10) in the lower mold (2) are electrically connected to the second temperature controller (15) and the second controller (16), and the third wiring port (17) is specifically installed on the upper end surface of the lower limit block (4).

4. A mold rapid preheating device according to claim 1, characterized in that: The temperature sensor (7) and the high-density resistance wire (10) in the upper mold (3) are electrically connected to the first temperature controller (11) and the first controller (12); the first wiring port (13) is installed on the side end surface of the upper limit block (5); and the second wiring port (14) is installed on the bottom end surface of the upper limit block (5).

5. A mold rapid preheating device according to claim 1, characterized in that: The second wiring port (14) is rod-shaped, the third wiring port (17) is groove-shaped, the second wiring port (14) and the third wiring port (17) form a snap-fit ​​structure, and a power supply port (20) is provided on the side end surface of the base (1).

6. A mold rapid preheating device according to claim 5, characterized in that: The power supply port (20) is electrically connected to the second temperature controller (15) and the second controller (16) via a wire; the second controller (16) is electrically connected to the first controller (12) via the third wiring port (17) and the second wiring port (14); and the first controller (12) is electrically connected to an external power supply via the first wiring port (13).

Citation Information

Patent Citations

  • Rapid preheating device for mold

    CN215998529U