Automatic heating equipment and method for iron core of electronic pressure release valve
By designing an automatic heating device for the core of the electronic pressure relief valve, the problems of uneven heating and difficult to control in the prior art are solved, uniform heating and precise control of the core are achieved, and the injection molding quality and equipment reliability are improved.
Patent Information
- Application Number
- CN202411846199.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-03-28
AI Technical Summary
In the prior art, the core of the electronic pressure relief valve is heated unevenly and difficult to control, and the heating rod is easily damaged and maintenance is difficult.
An electronic pressure relief valve core automatic heating device is designed, including automatic loading assembly, heating assembly, temperature sensing assembly and automatic loading assembly. The heating assembly uses multiple heating seats and resistive wires. The temperature sensing assembly monitors the core temperature in real time through sensors to ensure uniform and accurate heating.
It realizes automatic heating of the iron core, uniform temperature, accurate control, long service life and easy replacement and maintenance, improving the quality of injection molding and equipment reliability.
Smart Images

Figure CN119704585A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of valve technology, and in particular to an automatic heating device and method for an iron core of an electronic pressure relief valve. Background Art
[0002] During the production process of the electronic pressure relief valve, the electronic pressure relief valve body is processed by injection molding, and the iron core is placed in an injection molding machine for joint injection molding. However, during the injection molding process, the iron core needs to be heated first to ensure a better injection molding effect. In the prior art, the iron core is generally heated by setting a heating rod, which has the following disadvantages during the heating process: 1. The high-power heating rod cannot heat continuously and is easy to burn; 2. The heating rod is turned on for two or three seconds each time, which can easily cause uneven heating of the iron core and affect the quality of later injection molding; 3. The temperature is uneven and difficult to control; 4. It is difficult to replace and repair after damage. Summary of the invention
[0003] In order to solve the above technical problems, the present invention provides an automatic heating device and method for the iron core of an electronic pressure relief valve, which can realize automatic heating of the iron core, uniform temperature, precise control, long service life and easy replacement.
[0004] Specifically, the present invention discloses an automatic heating device for an iron core of an electronic pressure relief valve, comprising:
[0005] Automatic feeding assembly, used for clamping the iron core and automatically feeding;
[0006] The heating assembly comprises a mounting plate mounted on the bottom plate, a plurality of heating seats are arranged on the mounting plate, a fixing portion for fixing the iron core is arranged on the top of the heating seat, a resistance wire is wound around the side of the heating seat, and the resistance wire is connected to the heating wire and the temperature control wire;
[0007] The temperature sensing assembly includes a sensor for sensing the heating temperature of the iron core;
[0008] Automatic unloading component, used for clamping the iron core and unloading automatically.
[0009] The advantages of adopting the above technical solution are that it can realize automatic heating of the iron core, uniform temperature, precise control, long service life and convenient replacement and maintenance.
[0010] Furthermore, a horizontal moving assembly is arranged on the lower side of the mounting plate, including a cylinder, a moving plate and a guide rail, the guide rail is installed on the base plate, the moving plate is connected to the output end of the cylinder, and the moving plate moves along the guide rail.
[0011] The benefit of adopting the above technical solution is that a horizontal moving component is set to drive the installation plate to move, so that the heating seat moves to the temperature sensing component, the terminals on the iron core contact the sensor, and the temperature of the iron core is detected in real time to ensure that the heating seat moves into place and docks accurately.
[0012] Furthermore, the temperature sensing component also includes a mounting frame, the mounting frame is provided with a translation plate, the sensor is mounted on the translation plate, the sensor is provided with a sensing end, and the sensing end is arranged toward the iron core.
[0013] The benefit of adopting the above technical solution is that the sensing end of the sensor is in contact with the iron core terminal, realizing real-time monitoring of the iron core temperature and ensuring that the iron core reaches the required temperature, thereby ensuring the injection molding quality. At the same time, a movable translation plate is provided. When the iron core moves into place, the movable plate drives the sensor to move toward the iron core, ensuring that the sensing end of the sensor is connected to the terminal on the iron core, thereby ensuring the sensing effect.
[0014] Furthermore, a reflection module is arranged on the side of the heating component, including: a support plate and a reflection module, and the reflection module is installed on the support plate and faces the heating seat.
[0015] The benefit of adopting the above technical solution is that the setting of the reflection module is used to reflect whether the iron core is placed on the heating seat and whether the placement position is correct.
[0016] Furthermore, the heating assembly also includes a heat preservation cavity, the heat preservation cavity includes a lower plate and a side plate, and the heating seat is arranged in the heat preservation cavity.
[0017] The benefit of adopting the above technical solution is that the heat preservation cavity is provided to play a heat preservation role, improve the heat preservation effect and save energy.
[0018] Furthermore, the resistance wire is evenly wound around the upper and lower parts of the heating seat.
[0019] The advantage of adopting the above technical solution is that the evenly wound resistance wire allows the heating seat to be evenly heated, and also allows the iron core to be evenly heated, thereby ensuring the heating effect, improving the quality of the injection molded product, and reducing the defective rate.
[0020] Furthermore, the bottom plate is also provided with a wiring board, and a wiring seat is provided on the wiring board, and the wiring seat is connected to the heating wire and the temperature control wire.
[0021] The advantage of adopting the above technical solution is that the setting of the terminal block facilitates the connection of the heating wire and the temperature control wire, and the wiring is beautiful and convenient for maintenance.
[0022] Furthermore, the present invention also discloses an automatic heating method for an electronic pressure relief valve core, which uses the automatic heating device for an electronic pressure relief valve core described in the above technical solution, and comprises the following steps:
[0023] In the first step, the automatic loading assembly clamps the iron core and places it on the heating seat after adjusting the position;
[0024] The second step is to heat the resistance wire, and the temperature control line monitors the temperature of the heating seat in real time, and current is passed through the heating wire to maintain the temperature of the heating seat at 180°C;
[0025] The third step is to connect the sensor to the iron core to detect the real-time temperature of the iron core;
[0026] Step 4: After the core temperature reaches the set value, the components are automatically unloaded.
[0027] Furthermore, after the first step, the reflection module first detects whether the iron core is placed in place.
[0028] Furthermore, in the first step, a camera is arranged on the bottom plate, and the iron core image is photographed by the camera to adjust the position of the iron core.
[0029] The benefit of adopting the above technical solution is that it can realize automatic heating of the iron core and real-time monitoring to ensure that the temperature of the iron core reaches the requirement. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0031] Figure 1 This is a schematic diagram of the overall structure of the electronic pressure relief valve core automatic heating device of the present invention.
[0032] Figure 2 This is the installation structure diagram of the heating component and temperature sensing component of the present invention
[0033] Figure 3 This is a schematic diagram of the heat preservation cavity structure of the present invention.
[0034] Figure 4 Schematic diagram of the heating seat structure of the present invention
[0035] The reference numerals in the accompanying drawings are as follows:
[0036] Automatic loading component 1; automatic unloading component 11; iron core 2; mounting plate 3; cylinder 31; moving plate 32; guide rail 33; bottom plate 4; terminal block 41; terminal block 42; heating base 5; fixing part 51; resistance wire 52; heating wire 53; temperature control wire 54; sensor 6; mounting frame 61; translation plate 62; reflection module 7; reflection module 71; insulation cavity 8; lower plate 81; side plate 82; camera 9, industrial camera 91. DETAILED DESCRIPTION
[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0038] like Figure 1-4 As shown, the present invention discloses an automatic heating device for an electronic pressure relief valve iron core, comprising:
[0039] The automatic feeding component 1 is used to clamp the iron core 2 and automatically feed the material. The automatic feeding component 1 adopts a feeding manipulator to feed the material. The feeding manipulator is provided with a clamping claw, which can clamp and rotate;
[0040] The heating assembly includes a mounting plate 3 mounted on a bottom plate 4, a plurality of heating seats 5 are arranged on the mounting plate 3, a fixing portion 51 for fixing the iron core 2 is arranged on the top of the heating seat 5, a resistance wire 52 is wound around the side of the heating seat 5, and the resistance wire 52 is connected to a heating wire 53 and a temperature control wire 54;
[0041] The temperature sensing assembly includes a sensor 6 for sensing the heating temperature of the iron core 2;
[0042] The automatic unloading component 11 is used to clamp the iron core 2 for automatic unloading, and the automatic unloading is realized by using an unloading manipulator.
[0043] The advantages of adopting the above technical solution are that the core 2 can be automatically heated, the temperature can be uniform, the control can be precise, the service life can be long, and replacement and maintenance can be convenient.
[0044] Furthermore, a receiving plate is provided on the heating seat 5, and a fixing portion 51 for fixing the iron core 2 is provided on the receiving plate. The receiving plate contacts the heating seat 5, and the heat of the heating seat 5 is evenly transferred to the iron core 2 to achieve uniform heating.
[0045] In some embodiments, a horizontal moving assembly is provided on the lower side of the mounting plate 3, including a cylinder 31, a movable plate 32 and a guide rail 33. The guide rail 33 is installed on the base plate 4. There are two guide rails 33, which are arranged along a first direction. A slider is provided on the guide rail 33. The movable plate 32 is connected to the slider. The movable plate 32 is connected to the output end of the cylinder 31. The movable plate 32 moves along the guide rail 33. The main body of the cylinder 31 is also installed on the base plate 4, and the whole is also arranged along the first direction. The output end of the cylinder 31 extends out to drive the movable plate 32 to move. The movable plate 32 drives the heating seat 5 to move to the sensor 6. The terminal on the iron core 2 contacts the sensor 6, and the temperature of the iron core 2 is monitored in real time to ensure that the heating seat 5 moves into place and is accurately docked.
[0046] In some embodiments, the temperature sensing assembly also includes a mounting frame 61, the mounting frame 61 is provided with a translation plate 62, the sensor 6 is installed on the translation plate 62, the sensor 6 adopts a temperature sensor 6, the sensor 6 is provided with a sensing end, the sensing end is arranged toward the iron core 2, the translation plate 62 is connected to a driving member, which is also a cylinder, and is arranged in a direction toward the heating seat 5. The position of the sensing end of the sensor 6 is controlled by the cylinder to ensure that the sensing end of the sensor 6 is in contact with the terminal of the iron core 2, thereby realizing real-time monitoring of the temperature of the iron core 2 and ensuring that the iron core 2 reaches the required temperature, thereby ensuring the injection molding quality.
[0047] Furthermore, a reflection module 7 is provided on the side of the heating assembly, including: a support plate and a reflection module, the reflection module is mounted on the support plate and faces the heating seat 5. The setting of the reflection module 7 is used to reflect whether the iron core 2 is placed on the heating seat 5 and whether the placement position is correct.
[0048] In some embodiments, the heating assembly also includes an insulation cavity 8, the insulation cavity 8 includes a lower plate 81 and a side plate 82, the heating seat 5 is arranged in the insulation cavity 8, and the insulation cavity 8 is installed on the mounting plate 3. The number can be multiple, and 6-8 heating seats 5 are arranged in each insulation cavity 8 to ensure the insulation performance. The upper side of the insulation cavity 8 is open to facilitate the loading and unloading of the iron core 2. The bottom is provided with mounting holes and through holes for installing and passing the heating wire 53 and the temperature control wire 54, thereby improving the insulation effect and saving energy.
[0049] In some embodiments, the resistance wire 52 is evenly wound around the upper and lower parts of the heating seat 5, and the lower side is connected to the heating wire 53 and the temperature control wire 54. The heating wire 53 is connected to a power source. When powered on, the resistance wire 52 generates heat to evenly heat the heating seat 5. The temperature control wire 54 is connected to a temperature detection device to detect the temperature of the heating seat 5, thereby realizing linked temperature control and controlling the temperature at 180 degrees Celsius. The heat from the heating seat 5 is transferred to the iron core 2, which is evenly heated, so that the iron core 2 is evenly heated, the heating effect is ensured, the quality of the injection molded product is improved, and the defective rate is reduced.
[0050] Furthermore, the base plate 4 is also provided with a terminal board 41, and a terminal seat 42 is provided on the terminal board 41. The terminal seat 42 is connected to the heating wire 53 and the temperature control wire 54. Each heating seat 5 is provided with a terminal seat 42, and each terminal seat 42 is provided with an installation place for connecting the heating wire 53 and the temperature control wire 54. At the same time, a quick plug connector is provided to connect to the terminal seat 42, which is convenient for connecting and disconnecting the line and convenient for maintenance. There is no need to disassemble the connecting line, and only the quick plug connector needs to be plugged in and out. At the same time, the wiring arrangement is beautiful.
[0051] Furthermore, a calibration column is provided on the bottom plate 4 for calibrating the positions of the loading robot and the unloading robot.
[0052] Furthermore, the heating seat 5 is symmetrically arranged, with a sensor 6 used on one side to detect the temperature of the core 2, and an industrial camera 91 can be used on the other side to detect the temperature of the core 2 without contact, which is suitable for different usage scenarios.
[0053] The present invention also discloses an automatic heating method for an electronic pressure relief valve iron core, which uses the automatic heating device for the electronic pressure relief valve iron core described in the above technical solution, and comprises the following steps:
[0054] In the first step, the automatic feeding component 1 clamps the iron core 2 and places it on the heating seat 5 after adjusting the position. At this time, the terminal on the iron core 2 is set toward the temperature sensing component;
[0055] In the second step, the resistance wire 52 is energized for heating, and the temperature control wire 54 monitors the temperature of the heating seat 5 in real time. Current is passed through the heating wire 53 to maintain the temperature of the heating seat 5 at 180° C. The temperature range can be set between 175-185° C. according to processing requirements;
[0056] In the third step, the sensor 6 is connected to the iron core 2 to detect the real-time temperature of the iron core 2;
[0057] In the fourth step, after the temperature of the iron core 2 reaches the set value, the automatic unloading assembly 11 unloads the material.
[0058] Furthermore, after the first step, the reflection module 7 first detects whether the iron core 2 is placed in place. After detecting that the iron core 2 is in place, the resistance wire 52 starts to heat.
[0059] Furthermore, in the first step, a camera 9 is provided on the base plate 4, and the image of the iron core 2 is captured by the camera 9. The captured image is compared with the image in the system. After comparison, the position of the terminal of the iron core 2 is different from the position in the control system. The loading robot is adjusted, and a fill light is provided on the camera 9 to ensure accurate shooting.
[0060] The benefit of adopting the above technical solution is that it can realize automatic heating of the iron core 2 and real-time monitoring to ensure that the temperature of the iron core 2 reaches the requirement.
[0061] For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, all of which fall within the protection scope of the present invention.
Claims
1. An automatic heating device for the iron core of an electronic pressure relief valve, characterized in that: include: An automatic feeding component (1) is used to clamp the iron core (2) and feed it automatically; The heating assembly comprises a mounting plate (3) mounted on a bottom plate (4), a plurality of heating seats (5) being arranged on the mounting plate (3), a fixing portion (51) for fixing an iron core (2) being arranged on the top of the heating seat (5), a resistance wire (52) being wound around the side of the heating seat (5), and the resistance wire (52) being connected to a heating wire (53) and a temperature control wire (54); A temperature sensing component, comprising a sensor (6) for sensing the heating temperature of the iron core (2); The automatic unloading component (11) is used for clamping the iron core (2) and unloading automatically.
2. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: A horizontal moving assembly is arranged on the lower side of the mounting plate (3), comprising a cylinder (31), a moving plate (32) and a guide rail (33); the guide rail (33) is mounted on the bottom plate (4); the moving plate (32) is connected to the output end of the cylinder (31); and the moving plate (32) moves along the guide rail (33).
3. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: The temperature sensing component further comprises a mounting frame (61), the mounting frame (61) being provided with a translation plate (62), the sensor (6) being mounted on the translation plate (62), the sensor (6) being provided with a sensing end, and the sensing end being arranged towards the iron core (2).
4. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: A reflection module (7) is arranged on the side of the heating component, comprising: a support plate and a reflection module (71); the reflection module (71) is mounted on the support plate and faces the heating seat (5).
5. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: The heating assembly further comprises a heat preservation cavity (8), the heat preservation cavity (8) comprises a lower plate (81) and a side plate (82), and the heating seat (5) is arranged in the heat preservation cavity (8).
6. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: The resistance wire (52) is evenly wound around the upper and lower parts of the heating seat (5).
7. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1 is characterized in that: The bottom plate (4) is also provided with a wiring board (41), and a wiring seat (42) is provided on the wiring board (41), and the wiring seat (42) is connected to the heating wire (53) and the temperature control wire (54).
8. An automatic heating method for an electronic pressure relief valve core, characterized in that: The electronic pressure relief valve core automatic heating device described in claims 1 to 7 is used. The following steps are involved: In the first step, the automatic loading assembly (1) clamps the iron core (2) and places it on the heating seat (5) after adjusting its position; In the second step, the resistance wire (52) is heated, and the temperature control wire (54) monitors the temperature of the heating seat (5) in real time, and current is passed through the heating wire (53) to maintain the temperature of the heating seat (5) at 180° C.; In the third step, the sensor (6) is connected to the iron core (2) to detect the real-time temperature of the iron core (2); In the fourth step, after the temperature of the iron core (2) reaches the set value, the automatic unloading assembly (11) unloads the material.
9. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1, characterized in that: After the first step, the reflection module (7) first detects whether the iron core (2) is placed in place.
10. The automatic heating device for the iron core of the electronic pressure relief valve according to claim 1, characterized in that: In the first step, a camera (9) is arranged on the bottom plate (4), and the image of the iron core (2) is photographed by the camera (9) to adjust the position of the iron core (2).