Tunnel type oven for copper buss heat shrink tube attachment
By using segmented heating components and a transmission chain conveyor mechanism, combined with pressure sensors and temperature control modules, the problem of traditional ovens being unable to accurately control baking time has been solved, enabling precise baking and efficient production of copper heat shrink tubing molds.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN JIAXIN METAL TECH CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-06-12
Smart Images

Figure CN224353519U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of copper heat shrink tubing processing technology, specifically a tunnel oven for attaching copper heat shrink tubing. Background Technology
[0002] The baking process for attaching copper heat shrink tubing is entirely done in industrial ovens. Currently, the rapid prototyping industry primarily uses industrial ovens to bake copper heat shrink tubing because they offer advantages such as flexible operation, a wide temperature adjustment range, and broad application. While industrial ovens are convenient for small quantities of copper heat shrink tubing, controlling the baking time for each mold becomes difficult with larger quantities. Order processing time also becomes chaotic because hundreds of molds are moved into the oven sequentially. With so many molds, it becomes impossible to determine the baking time for each heat shrink tubing, leading to disorganization among on-site staff. It's impossible to ensure that each heat shrink tubing is removed from the oven on time, and the baking time for each heat shrink tubing cannot be guaranteed. Utility Model Content
[0003] The purpose of this invention is to provide a tunnel oven for attaching copper heat shrink tubing, in order to solve the above-mentioned technical problems.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a tunnel oven for attaching copper heat shrink tubing, comprising an oven body, a conveying mechanism, a temperature control module, and a segmented heating assembly. The oven body is rectangular and has a through cavity inside. Guide rails are fixed to the top and bottom of the inner wall of the cavity, and the guide rails extend along the length of the oven body. The conveying mechanism includes a transmission chain, sprockets, and a support plate. The sprockets are respectively installed on the inner sidewalls at both ends of the oven body and are engaged with the transmission chain. The support plate is fixed to the upper surface of the transmission chain by bolts and moves with it. Multiple positioning grooves are opened on the top surface of the support plate, and the positioning grooves are arranged in a rectangular array. Pressure sensors are embedded in the bottom surface of the positioning grooves and are fixedly connected to the support plate. The segmented heating assembly includes multiple independent heating units, which are arranged sequentially along the length of the oven body and fixed to the top and bottom of the inner wall of the cavity.
[0005] Preferably, the heating unit includes a heating wire, a heat insulation cover, and a temperature control probe. The heating wire is wavy and fixed inside the heat insulation cover. The outer wall of the heat insulation cover is fixedly connected to the inner wall of the cavity. The temperature control probe is fixed to the bottom of the heat insulation cover and electrically connected to the heating wire. The temperature control module is fixed to the outer wall of the furnace body and electrically connected to the heating wire and the temperature control probe.
[0006] Preferably, the furnace body has a feed inlet and a discharge outlet on the front and rear sides, respectively. An automatic door is installed at both the feed inlet and the discharge outlet. The automatic door is slidably connected to the side wall of the furnace body via a slide rail. A sealing strip is fixed inside the automatic door, and the sealing strip is tightly fitted to the edge of the furnace body opening.
[0007] Preferably, a drive motor is fixed to the outside of the automatic door, the output shaft of the drive motor is fixedly connected to the top of the automatic door and drives it to move up and down, and a cooling fan is fixed to the top of the furnace body, the air outlet of the cooling fan penetrates into the cavity and corresponds to the position of the discharge port.
[0008] Preferably, a control panel is fixed to one side of the outer wall of the furnace body. The control panel has a display screen and operation buttons on its surface. The control panel has a main control circuit board inside. The main control circuit board is electrically connected to a pressure sensor, a temperature control module and a drive motor. Support feet are fixed at the four corners of the bottom of the furnace body. The bottom of the support feet is provided with shock-absorbing pads. The shock-absorbing pads are in contact with the ground and are fixed with bolts.
[0009] Preferably, the control panel is connected to an external computer via a data cable, and the main control circuit board has a built-in timing module and an alarm module. The timing module records the time when each carrier plate enters the furnace body, and the alarm module emits an audible and visual signal when the pressure sensor detects an abnormality.
[0010] Preferably, the number of heating units is six and they are arranged at equal intervals along the length of the furnace body. The heating wire power of each heating unit is 2kW-3kW. The heat insulation cover is made of ceramic fiber material and has a thickness of 10mm-15mm. The temperature control probe has a detection range of 50℃-300℃.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] 1. By using segmented heating components in conjunction with a transmission chain conveyor mechanism, continuous production line operation of copper heat shrink tubing molds is achieved. Each mold is precisely baked in different temperature zones according to a preset program, effectively solving the problem that traditional industrial ovens cannot accurately control the baking time of each mold; 2. The positioning groove on the support plate, combined with a pressure sensor, can accurately locate the position and status of each mold, ensuring that each mold is baked according to the set time and temperature, avoiding time errors caused by manual operation; 3. The automatic door combined with the cooling fan design ensures the oven body is sealed while achieving rapid cooling, improving production efficiency and ensuring product quality stability. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1This is a schematic diagram of a tunnel oven body for attaching copper heat shrink tubing according to this embodiment;
[0015] Figure 2 This is a schematic diagram of a segmented heating assembly for a tunnel oven used for attaching copper heat shrink tubing in this embodiment;
[0016] Figure 3 This is an external schematic diagram of a tunnel oven for attaching copper heat shrink tubing according to this embodiment;
[0017] Figure 4 This is a schematic diagram of the control panel in this embodiment.
[0018] The attached diagram lists the components represented by each number as follows:
[0019] 1. Furnace body; 2. Conveying mechanism; 3. Temperature control module; 4. Segmented heating assembly; 5. Chamber; 6. Guide rail; 7. Drive chain; 8. Sprocket; 9. Bearing plate; 10. Positioning groove; 11. Pressure sensor; 12. Heating unit; 13. Heating wire; 14. Heat insulation cover; 15. Temperature control probe; 16. Feed inlet; 17. Discharge outlet; 18. Automatic door; 19. Sealing strip; 20. Drive motor; 21. Cooling fan; 22. Control panel; 23. Display screen; 24. Operation buttons; 25. Main control circuit board; 26. Support feet; 27. Shock-absorbing pads; 28. Timing module; 29. Alarm module. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-4This utility model provides a technical solution: a tunnel oven for attaching copper heat shrink tubing, comprising an oven body 1, a conveying mechanism 2, a temperature control module 3, and a segmented heating assembly 4. The oven body 1 is rectangular and has a through cavity 5 inside. Guide rails 6 are fixed at the top and bottom of the inner wall of the cavity 5, and the guide rails 6 extend along the length of the oven body 1. The conveying mechanism 2 includes a transmission chain 7, a sprocket 8, and a support plate 9. The sprocket 8 is respectively installed on the inner sidewalls at both ends of the oven body 1 and is engaged with the transmission chain 7. The support plate 9 is fixed to the upper surface of the transmission chain 7 by bolts and moves with it. Multiple positioning grooves 10 are opened on the top surface of the support plate 9. The positioning grooves 10 are arranged in a rectangular array. Pressure sensors 11 are embedded in the bottom surface of the positioning grooves 10 and are fixedly connected to the support plate 9. The segmented heating assembly 4 includes multiple independent heating units 12. The heating units 12 are arranged sequentially along the length of the oven body 1 and fixed to the top and bottom of the inner wall of the cavity 5.
[0022] Specifically, the heating unit 12 includes a heating wire 13, a heat insulation cover 14, and a temperature control probe 15. The heating wire 13 is wavy and fixed inside the heat insulation cover 14. The outer wall of the heat insulation cover 14 is fixedly connected to the inner wall of the cavity 5. The temperature control probe 15 is fixed to the bottom of the heat insulation cover 14 and electrically connected to the heating wire 13. The temperature control module 3 is fixed to the outer wall of the furnace body 1 and electrically connected to the heating wire 13 and the temperature control probe 15. Through the above arrangement, the temperature control module 3 can accurately adjust the heating power of the heating wire 13 according to the real-time temperature detected by the temperature control probe 15, thereby achieving precise control of the temperature inside the furnace body 1. This segmented heating design not only improves heating efficiency but also ensures uniform heating of the copper heat shrink tubing during the attachment process, avoiding poor adhesion caused by uneven temperature.
[0023] Specifically, the furnace body 1 has a feed inlet 16 and a discharge outlet 17 on its front and rear sides, respectively. Automatic doors 18 are installed at both the feed inlet 16 and the discharge outlet 17. The automatic doors 18 are slidably connected to the side wall of the furnace body 1 via slide rails. A sealing strip 19 is fixed inside the automatic door 18, and the sealing strip 19 fits tightly against the edge of the opening in the furnace body 1. This design ensures good sealing inside the furnace body 1 during heating, effectively preventing heat loss and improving energy efficiency. Simultaneously, the automatic door 18 facilitates the rapid insertion and removal of copper heat shrink tubing, improving production efficiency. An exhaust system is also installed at the bottom of the furnace body 1 to promptly expel exhaust gases from the furnace body 1, maintaining a clean working environment.
[0024] Specifically, a drive motor 20 is fixed to the outside of the automatic door 18. The output shaft of the drive motor 20 is fixedly connected to the top of the automatic door 18 and drives it to move up and down. A cooling fan 21 is fixed to the top of the furnace body 1. The air outlet of the cooling fan 21 penetrates into the cavity 5 and corresponds to the position of the discharge port 17. Through the above arrangement, the copper heat shrink tubing can be cooled in time at the discharge port 17, effectively preventing the heat shrink tubing from deforming or being damaged due to high temperature. The drive motor 20 makes the opening and closing of the automatic door 18 more automated and convenient, reduces the tediousness of manual operation, and further improves production efficiency.
[0025] Specifically, a control panel 22 is fixed to one side of the outer wall of the furnace body 1. The control panel 22 has a display screen 23 and operation buttons 24 on its surface. The main control circuit board 25 is located inside the control panel 22. The main control circuit board 25 is electrically connected to the pressure sensor 11, the temperature control module 3, and the drive motor 20. Support feet 26 are fixed at the four corners of the bottom of the furnace body 1. The bottom of the support feet 26 is equipped with shock-absorbing pads 27, which are in contact with the ground and fixed with bolts. Through the above settings, the operator can monitor the temperature, pressure, and status of the automatic door 18 inside the furnace body 1 in real time through the display screen 23 and operation buttons 24 on the control panel 22. At the same time, the main control circuit board 25 can receive signals from the pressure sensor 11, the temperature control module 3, and the drive motor 20, and perform corresponding control operations according to the preset program. The shock-absorbing pads 27 at the bottom of the support feet 26 can not only effectively reduce the vibration and noise of the furnace body 1 during operation, but also protect the bottom of the furnace body 1 from damage and extend the service life of the equipment.
[0026] Specifically, the control panel 22 is connected to an external computer via a data cable. The main control circuit board 25 has a built-in timing module 28 and an alarm module 29. The timing module 28 records the time when each carrier plate 9 enters the furnace body 1, and the alarm module 29 emits an audible and visual signal when the pressure sensor 11 detects an abnormality. Through these settings, operators can monitor various parameters inside the furnace body 1 in real time via an external computer and adjust the heating program or handle abnormal situations as needed. The timing module 28 can accurately record the time when each carrier plate 9 enters the furnace body 1, making it easy for operators to grasp the heating cycle of the copper heat shrink tubing and ensure product quality. The alarm module 29 can promptly emit an audible and visual signal when the pressure sensor 11 detects an abnormality, reminding operators to take appropriate measures, effectively preventing safety accidents and improving the safety and reliability of the equipment.
[0027] Specifically, there are six heating units 12 arranged equidistantly along the length of the furnace body 1. Each heating unit 12 has a heating wire 13 with a power of 2kW-3kW. The heat insulation cover 14 is made of ceramic fiber material with a thickness of 10mm-15mm. The temperature control probe 15 has a detection range of 50℃-300℃. This arrangement ensures that the number of heating units 12 and the power of the heating wire 13 can meet the heating requirements of copper heat shrink tubing of different specifications, guaranteeing the stability and consistency of the heating effect. The heat insulation cover 14, made of ceramic fiber material, has excellent heat insulation performance, effectively reducing heat loss and improving heating efficiency.
[0028] A specific application example of this embodiment is as follows:
[0029] In use, the furnace body 1 is equipped with multiple heating units 12 to form segmented heating zones. Each heating unit 12 has its temperature controlled independently. The support plate 9 is driven by the transmission chain 7 to move along the guide rail 6. The positioning groove 10 on the support plate 9 is used to place the copper heat shrink tubing mold. The pressure sensor 11 detects the placement status of the mold and transmits the signal to the main control circuit board 25. The main control circuit board 25 controls the temperature and heating time of each heating unit 12 according to the preset program. When the support plate 9 moves to a specific heating zone, the corresponding heating unit 12 starts heating. After the set time is completed, the heating stops, and the support plate 9 continues to move to the next heating zone until the entire baking process is completed. Finally, after being cooled by the cooling fan 21, it is removed from the discharge port 17. The automatic door 18 automatically opens and closes according to the position of the support plate 9 to ensure that the temperature inside the furnace body 1 is stable.
[0030] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that modifications may be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A tunnel oven for attaching copper heat shrink tubing, characterized in that: The furnace includes a furnace body (1), a conveying mechanism (2), a temperature control module (3), and a segmented heating assembly (4). The furnace body (1) is rectangular and has a through cavity (5) inside. Guide rails (6) are fixed at the top and bottom of the inner wall of the cavity (5). The guide rails (6) extend along the length of the furnace body (1). The conveying mechanism (2) includes a transmission chain (7), sprockets (8), and a bearing plate (9). The sprockets (8) are respectively installed on the inner sidewalls at both ends of the furnace body (1) and are meshed with the transmission chain (7). The bearing plate (9) 9) The bearing plate (9) is fixed to the upper surface of the transmission chain (7) by bolts and moves with it. The top surface of the bearing plate (9) is provided with multiple positioning grooves (10). The positioning grooves (10) are arranged in a rectangular array. The bottom surface of the positioning grooves (10) is embedded with pressure sensors (11). The pressure sensors (11) are fixedly connected to the bearing plate (9). The segmented heating assembly (4) includes multiple independent heating units (12). The heating units (12) are arranged in sequence along the length of the furnace body (1) and fixed to the top and bottom of the inner wall of the cavity (5).
2. The tunnel oven for attaching copper heat shrink tubing according to claim 1, characterized in that: The heating unit (12) includes a heating wire (13), a heat insulation cover (14), and a temperature control probe (15). The heating wire (13) is wavy and fixed inside the heat insulation cover (14). The outer wall of the heat insulation cover (14) is fixedly connected to the inner wall of the cavity (5). The temperature control probe (15) is fixed to the bottom of the heat insulation cover (14) and electrically connected to the heating wire (13). The temperature control module (3) is fixed to the outer wall of the furnace body (1) and electrically connected to the heating wire (13) and the temperature control probe (15).
3. A tunnel oven for attaching copper heat shrink tubing according to claim 1, characterized in that: The furnace body (1) is provided with a feed inlet (16) and a discharge outlet (17) on the front and rear sides respectively. An automatic door (18) is installed at both the feed inlet (16) and the discharge outlet (17). The automatic door (18) is slidably connected to the side wall of the furnace body (1) via a slide rail. A sealing strip (19) is fixed inside the automatic door (18). The sealing strip (19) is tightly fitted to the edge of the opening of the furnace body (1).
4. A tunnel oven for attaching copper heat shrink tubing according to claim 3, characterized in that: A drive motor (20) is fixed on the outside of the automatic door (18). The output shaft of the drive motor (20) is fixedly connected to the top of the automatic door (18) and drives it to move up and down. A cooling fan (21) is fixed on the top of the furnace body (1). The air outlet of the cooling fan (21) penetrates into the cavity (5) and corresponds to the position of the discharge port (17).
5. A tunnel oven for attaching copper heat shrink tubing according to claim 1, characterized in that: A control panel (22) is fixed on one side of the outer wall of the furnace body (1). The surface of the control panel (22) is provided with a display screen (23) and operation buttons (24). The control panel (22) is provided with a main control circuit board (25). The main control circuit board (25) is electrically connected to the pressure sensor (11), the temperature control module (3) and the drive motor (20). Support feet (26) are fixed at the four corners of the bottom of the furnace body (1). The bottom of the support feet (26) is provided with shock-absorbing pads (27). The shock-absorbing pads (27) are in contact with the ground and are fixed with bolts.
6. A tunnel oven for attaching copper heat shrink tubing according to claim 5, characterized in that: The control panel (22) is connected to an external computer via a data cable. The main control circuit board (25) has a built-in timing module (28) and an alarm module (29). The timing module (28) records the time when each carrier plate (9) enters the furnace body (1). The alarm module (29) emits an audible and visual signal when the pressure sensor (11) detects an abnormality.
7. A tunnel oven for attaching copper heat shrink tubing according to claim 2, characterized in that: The number of heating units (12) is six and they are arranged at equal intervals along the length of the furnace body (1). The power of the heating wire (13) of each heating unit (12) is 2kW-3kW. The heat insulation cover (14) is made of ceramic fiber material and has a thickness of 10mm-15mm. The temperature control probe (15) has a detection range of 50℃-300℃.