Automatic oven door opening device and method

Abstract

The present application discloses an automatic door opening device and method for an oven, the door opening device comprises a circuit board baking oven, comprising a door opening fixed base, a sliding base, a lock buckle swinging and pressing mechanism, a door handle swinging and pressing mechanism, and a pressing driving mechanism; the lock buckle swinging and pressing mechanism comprises a lock buckle lifting swing arm, and a lock buckle swing arm supporting arm; the door handle swinging and pressing mechanism comprises a door handle lifting swing arm, and a door handle swing arm supporting arm; the automatic door opening method comprises: the sliding base slides along the length direction of the door opening fixed base, the sliding base drives the lock buckle swing arm supporting arm, and then lifts the lock buckle lifting swing arm, so that the lock buckle is lifted and opened; the sliding base drives the door handle swing arm supporting arm to lift the door handle lifting swing arm, and presses the door handle to open the oven door; the present application enables the lock buckle and the door handle of the circuit board baking oven to be lifted up in sequence, thereby realizing the function of automatic door opening of the circuit board baking oven, without manual operation, avoiding harm to personnel caused by leakage of high-temperature gas, and improving operation safety.

Description

Technical Field

[0001] The present application relates to the technical field of circuit board baking equipment, and in particular to an automatic door opening device and method for an oven. Background Art

[0002] When a circuit board baking oven is baking a circuit board, high-temperature gas of up to 200°C will be generated in the oven; when the baking operation of the circuit board baking oven is completed, the oven door needs to be opened to allow the oven body and the circuit board to cool down before the circuit board can be taken out; however, the circuit board baking ovens currently on the market need to manually open the oven door after the operation is completed. Due to the extremely high temperature in the oven, the high-temperature gas inside will instantly gush out when the door is opened, posing a risk of harm to the human body. Therefore, there are great safety hazards during use. Summary of the invention

[0003] In order to improve the defect of the existing circuit board baking oven that after the baking operation is completed, when the box door is manually opened, the high-temperature gas inside the circuit board baking oven will instantly gush out and cause harm to the human body, the present application provides an automatic oven door opening device and method.

[0004] The present application provides an oven automatic door opening device and method using the following technical solutions:

[0005] An automatic door opening device for an oven, comprising a circuit board baking oven for baking circuit boards, comprising a door opening fixed base fixedly connected to the circuit board baking oven, a sliding seat arranged on the door opening fixed base and used to slide along the length direction of the door opening fixed base, a lock buckle swinging and pressing mechanism connected to the door opening fixed base and used to lift the circuit board baking oven lock buckle, a door handle swinging and pressing mechanism connected to the door opening fixed base and used to lift the circuit board baking oven door handle, and a pressing driving mechanism connected to the door opening fixed base and used to drive the sliding seat to move along the length direction of the door opening fixed base;

[0006] The lock buckle swinging and pressing mechanism comprises a lock buckle lifting swing arm whose end is hinged to the door opening fixed base, and a lock buckle swing arm supporting arm whose one end is movably connected to the sliding seat and whose other end is hinged to the middle position of the lock buckle lifting swing arm; the door handle swinging and pressing mechanism comprises a door handle lifting swing arm whose end is hinged to the door opening fixed base, and a door handle swing arm supporting arm whose one end is movably connected to the sliding seat and whose other end is hinged to the middle position of the door handle lifting swing arm;

[0007] The sliding seat is used to drive the lock buckle swing arm support arm and the door handle swing arm support arm to move respectively, the lock buckle swing arm support arm is used to support and lift up the lock buckle lifting swing arm, and the door handle swing arm support arm is used to support and lift up the door handle lifting swing arm.

[0008] By adopting the above technical solution, the sliding seat slides along the length direction of the door opening fixed base, and the movement of the sliding seat is powered by the pressing driving mechanism; the sliding seat is movably connected with the lock buckle swing pressing mechanism and the door handle swing pressing mechanism at the same time, and the end of the lock buckle lifting swing arm in the lock buckle swing pressing mechanism is hinged to the door opening fixed base, and is connected to the sliding seat through the lock buckle swing arm support arm, and the movement of the sliding seat drives the lock buckle swing arm support arm, and then lifts up the lock buckle lifting swing arm, so that the lock of the circuit board baking oven is lifted up and opened; the end of the door handle lifting swing arm in the door handle ... The door opening fixed base is hinged and connected to the sliding seat through the door handle swing arm support arm. When the sliding seat moves, it drives the door handle swing arm support arm, and then lifts the door handle swing arm, and then presses the door handle of the circuit board baking oven to open the oven door; the sliding seat of the present application drives the lock swing arm support arm and the door handle swing arm support arm to move in turn, so that the lock and the door handle of the circuit board baking oven are lifted in turn, thereby realizing the function of automatic door opening of the circuit board baking oven. The whole process does not require manual operation, which avoids harm to personnel caused by leakage of high-temperature gas and improves operational safety.

[0009] Preferably, the sliding seat includes sliding links arranged on both sides of the door opening fixed base, a push-pull drive plate arranged at the ends of the sliding links and fixedly connected to the ends of the two sliding links, and a fixed connecting plate connected to the two sliding links and located between the lock swing pressing mechanism and the door handle swing pressing mechanism; the output end of the pressing drive mechanism is connected to the push-pull drive plate, and the sliding links are movably connected to the lock swing arm support arm and the door handle swing arm support arm, respectively.

[0010] By adopting the above technical scheme, the ends of the two sliding links are fixedly connected to each other through a push-pull driving plate, and the push-pull driving plate is simultaneously connected to the output end of the top-pressing driving mechanism, and the top-pressing driving mechanism provides power to push the push-pull driving plate to move along the length direction of the door opening fixed base, thereby driving the sliding links to move synchronously; the two sliding links are also auxiliaryly connected through a fixed connecting plate, and the fixed connecting plate slides between the lock buckle swinging top-pressing mechanism and the door handle swinging top-pressing mechanism to be used for connection and power transmission between the two sliding links; under the drive of the top-pressing driving mechanism, the push-pull driving plate drives the sliding links and the fixed connecting plate to move, so that the lock buckle lifting swing arm in the lock buckle swinging top-pressing mechanism is lifted up by the lock buckle swing arm support arm, thereby opening the lock buckle; the door handle lifting swing arm in the door handle swinging top-pressing mechanism is also lifted up by the door handle swing arm support arm, thereby opening the box door; through this linkage structure, the circuit board baking box lock and the box door are gradually opened, avoiding the high temperature risk of manual door opening, and improving the safety and automation level of the equipment.

[0011] Preferably, the door opening fixed base is provided with a strip sliding through hole which penetrates the side wall of the door opening fixed base in the transverse direction, and a support arm guide through hole which penetrates the side wall of the door opening fixed base in the longitudinal direction and is connected with the strip sliding through hole, and the support arm guide through hole is used for inserting the lock swing arm support arm and the door handle swing arm support arm.

[0012] By adopting the above technical scheme, the lock swing arm support arm and the door handle swing arm support arm can move along the length direction of the support arm guide hole; when the top pressure driving mechanism drives the push-pull driving plate to move, the sliding connecting rod slides along the length direction of the strip sliding through hole, and the sliding connecting rod drives the lock swing arm support arm and the door handle swing arm support arm to slide in the support arm guide through hole, thereby realizing the stable movement of the lock swing arm support arm and the door handle swing arm support arm, improving the stability of the support connection structure of the lock swing arm support arm and the door handle swing arm support arm, and improving the accuracy of the swing support of the lock jacking swing arm and the door handle swing arm.

[0013] Preferably, the lock swing arm support arm is provided with a lock support arm sliding shaft hinged to the end of the lock swing arm support arm at an intermediate position, and both ends of the lock support arm sliding shaft are passed through the strip sliding through hole and connected to the sliding connecting rod.

[0014] By adopting the above technical scheme, the two ends of the sliding shaft of the buckle support arm pass through the strip sliding through hole and are connected to the sliding connecting rod, so that the sliding connecting rod can drive the sliding shaft of the lock support arm to slide in the strip sliding through hole when moving; when the top pressure driving mechanism drives the sliding seat to move along the length direction of the door opening fixed base, the sliding seat drives the lock swing arm support arm to move along the length direction of the strip sliding through hole through the lock support arm sliding shaft, thereby lifting the lock lifting swing arm, thereby lifting and opening the lock of the circuit board baking oven; this connection and movement method ensures the precise opening of the circuit board baking oven lock, improves the safety, automation and operating efficiency of the equipment, and avoids the high temperature risk caused by manual operation.

[0015] Preferably, the sliding connecting rod is provided with a connecting rod sliding through hole corresponding to the strip sliding through hole; the door handle swing arm support arm is provided with a door handle support arm sliding shaft hinged to the end of the door handle swing arm support arm in an intermediate position, and both ends of the door handle support arm sliding shaft are passed through the strip sliding through hole and movably inserted into the connecting rod sliding through hole.

[0016] By adopting the above technical scheme, when the sliding seat drives the lock swing arm support arm to move along the length direction of the strip sliding through hole through the lock support arm sliding shaft, the door handle support arm sliding shaft slides in the connecting rod sliding through hole, and when the lock lifts the swing arm to lift and open the lock of the circuit board baking oven, the sliding connecting rod contacts and pushes the door handle support arm sliding shaft to move, so that the door handle swing arm support arm lifts the door handle lifting swing arm to push open the door of the circuit board baking oven; the present application realizes the sequential actions of first unlocking the lock of the circuit board baking oven and then pushing to open the door through the linkage structure, so that the sliding seat can accurately drive the movement of the lock and the door handle to realize the automatic opening of the door of the circuit board baking oven, avoid the safety threat to the operator when high-temperature gas leaks, and improve the safety and automation of the equipment.

[0017] Preferably, sliding rollers are provided at the ends of the lock buckle lifting swing arm and the door handle lifting swing arm.

[0018] By adopting the above technical solution, when the lock lifting swing arm is lifted and swung, the sliding roller contacts and rolls with the circuit board baking oven lock; when the door handle lifting swing arm is lifted and swung, the sliding roller contacts and rolls with the circuit board baking oven door handle, so as to reduce friction and make the oven door open smoothly; this design effectively reduces the friction resistance when the oven door is opened by arranging sliding rollers at the ends of the lock lifting swing arm and the door handle lifting swing arm, improves the smoothness and stability of the opening of the circuit board baking oven door, and further enhances the operational convenience and safety of the automatic door opening device of the oven.

[0019] Preferably, a door closing mechanism is also provided on the door opening fixed base; the door closing mechanism includes a winding drive assembly arranged on the back side of the door opening fixed base, a storage reel arranged at the output end of the winding drive assembly, a door closing pull rope wound on the storage reel and arranged along the length direction of the door handle lifting swing arm, a guide support roller arranged at the end of the door handle lifting swing arm and located between the sliding roller and the door handle lifting swing arm, and a pulling hook fixedly connected to the end of the door closing pull rope and used to hook the circuit board baking oven door handle.

[0020] By adopting the above technical solution, the winding drive assembly drives the storage reel to tighten the door closing pull rope, thereby pulling the door handle of the circuit board baking oven back to the closed position by pulling the hook; the door closing mechanism of the present application can automatically close the door of the circuit board baking oven, avoiding manual operation in a high temperature environment, improving the degree of automation of the circuit board baking oven, and ensuring the safety and efficiency of the operation process.

[0021] Preferably, the door handle lifting swing arm, the door handle swing arm support arm and the door opening fixed base are all provided with rope guide holes for the door closing pull rope to pass through, and the door closing pull rope is passed through the rope guide holes and extends from between the sliding roller and the guide support roller.

[0022] By adopting the above technical solution, when the winding drive assembly drives the storage reel to wind up the door closing pull rope, the door closing pull rope pulls the door handle lifting swing arm and the door handle swing arm support arm along a predetermined path through the guiding effect of the rope guide hole, so that the door of the circuit board baking oven is closed; the sliding roller and the guide support roller play a supporting and rolling role in the pulling process, reducing friction and ensuring the smooth closing of the door of the circuit board baking oven; this design ensures a stable pulling path for the door closing pull rope through the setting of the rope guide hole, improves the accuracy and reliability of the door closing operation, and at the same time, the cooperation of the sliding roller and the guide support roller further enhances the smoothness and safety of the closing of the door of the circuit board baking oven.

[0023] Preferably, the door closing mechanism further comprises a temperature sensor which is arranged on the door opening fixed base and is used to detect the temperature of the oven door after it is opened, and the temperature sensor is electrically connected to the winding drive assembly.

[0024] By adopting the above technical solution, when the door of the circuit board baking oven is opened and the temperature of the gushing gas is lower than the preset value, the heating temperature in the circuit board baking oven does not meet the standard, and the temperature sensor triggers the winding drive component to start, and the winding drive component drives the rotating storage reel to wind up the door closing pull rope, and the circuit board baking oven door handle is pulled by pulling the hook to close the door of the circuit board baking oven, so that the circuit board baking oven continues to heat the circuit board; this design improves the stability of the circuit board baking oven on the processing of the circuit board, improves the quality of the circuit board, improves the safety of operation, and reduces the tediousness and risk of manual operation through real-time monitoring and automatic control of the temperature sensor.

[0025] An automatic oven door opening method, comprising the automatic oven door opening device, further comprising the following steps:

[0026] S1: The pressing driving mechanism drives the sliding seat to move upward relative to the door opening fixed base;

[0027] S2: The sliding seat drives one end of the lock swing arm support arm to move upward, and the lock swing arm support arm performs a flipping motion with the hinged position with the lock lifting swing arm as the rotation axis and lifts up the lock lifting swing arm;

[0028] S3: The lock lifting swing arm performs a flipping motion with the hinged position with the door opening fixed base as the rotation axis, so that the end of the lock lifting swing arm away from the door opening fixed base lifts the circuit board oven lock to unlock;

[0029] S4: the pressing driving mechanism drives the sliding seat to continue to move upward relative to the door opening fixed base, so that the sliding seat presses and pushes the door handle swing arm support arm;

[0030] S5: the sliding seat drives one end of the door handle swing arm support arm to move upward, and the door handle swing arm support arm performs a flipping motion with the hinged position with the door handle lifting swing arm as the rotation axis and lifts up the door handle lifting swing arm;

[0031] S6: The door handle lifting swing arm performs a flipping motion with the hinged position with the door opening fixed base as the rotation axis, so that the end of the door handle lifting swing arm away from the door opening fixed base lifts the circuit board baking oven door handle to open the circuit board baking oven door.

[0032] By adopting the above technical solution, the top pressure driving mechanism is used to drive the sliding seat to move upward relative to the door opening fixed base; the sliding seat drives one end of the lock buckle swing arm support arm to move upward, and the lock buckle swing arm support arm flips around the hinge position of the lock buckle swing arm support arm, thereby lifting the lock buckle lifting swing arm; the lock buckle lifting swing arm flips with the hinge position of the lock buckle lifting swing arm and the door opening fixed base as the rotation axis, so that the lock buckle lifting swing arm is away from the end of the door fixed base to lift the lock of the circuit board baking oven, thereby unlocking; the top pressure driving mechanism continues to drive the sliding seat to move upward, pushing the door handle swing arm support arm The door handle is automatically unlocked and opened when the door is opened, thereby improving the degree of automation and operational safety of the door opening device, and avoiding the risk of manual operation in high temperature environments, thereby ensuring the safety of the operation.

[0033] In summary, the present application includes at least one of the following beneficial technical effects:

[0034] 1. An automatic door opening device for an oven, wherein the sliding seat slides along the length direction of the door opening fixed base, and the movement of the sliding seat is powered by a top pressure driving mechanism;

[0035] The sliding seat is movably connected with the lock buckle swinging and pressing mechanism and the door handle swinging and pressing mechanism at the same time. The end of the lock buckle lifting swing arm in the lock buckle swinging and pressing mechanism is hinged to the door opening fixed base, and is connected to the sliding seat through the lock buckle swing arm supporting arm. The movement of the sliding seat drives the lock buckle swing arm supporting arm, and then lifts the lock buckle lifting swing arm, so that the lock of the circuit board baking oven is lifted and opened; the end of the door handle lifting swing arm in the door handle swinging and pressing mechanism is hinged to the door opening fixed base, and is connected to the sliding seat through the door handle swing arm supporting arm. When the sliding seat moves, it drives the door handle swing arm supporting arm, and then lifts the door handle lifting swing arm, and then presses the door handle of the circuit board baking oven to realize the opening of the oven door;

[0036] The sliding seat of the present application drives the lock swing arm support arm and the door handle swing arm support arm to move in sequence, so that the lock and the door handle of the circuit board baking oven are lifted up in sequence, thereby realizing the function of automatically opening the door of the circuit board baking oven. The whole process does not require manual operation, avoiding harm to personnel caused by leakage of high-temperature gas, and improving operation safety;

[0037] 2. An automatic door opening device for an oven, wherein a winding drive assembly drives a storage reel to tighten a door closing pull rope, thereby pulling a hook to pull the door handle of a circuit board baking oven back to a closed position; the door closing mechanism of the present application can realize automatic closing of the door of the circuit board baking oven, avoiding manual operation in a high temperature environment, improving the degree of automation of the circuit board baking oven, and ensuring the safety and efficiency of the operation process;

[0038] The door handle lifting swing arm is flipped with the hinged position with the door opening fixed base as the rotation axis, so that the door handle lifting swing arm is far away from one end of the door fixed base to lift the door handle of the circuit board baking oven, thereby opening the box door of the circuit board baking oven;

[0039] The present application realizes automatic unlocking and opening of the box door, improves the automation level and operational safety of the door opening device, avoids the risk of manual operation in a high temperature environment, and ensures efficient and safe operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a three-dimensional schematic diagram of an embodiment of an automatic door opening device for an oven of the present application. Figure 1 .

[0041] Figure 2 It is a schematic diagram of the exploded structure of an embodiment of an automatic door opening device for an oven of the present application.

[0042] Figure 3 This is a three-dimensional schematic diagram of an embodiment of an automatic door opening device for an oven of the present application. Figure 2 .

[0043] Figure 4 This is a three-dimensional schematic diagram of an embodiment of an automatic door opening device for an oven of the present application. Figure 3.

[0044] Figure 5 It is a side view structural schematic diagram of an oven automatic door opening device connected to a circuit board oven lock and a door handle in an embodiment of the present application.

[0045] Figure 6 It is a side view structural schematic diagram of an oven automatic door opening device connected to a circuit board baking oven according to an embodiment of the present application.

[0046] Figure 7 for Figure 6 Enlarged view of part A.

[0047] Figure 8 It is a schematic diagram of the steps of an embodiment of an automatic oven door opening method of the present application.

[0048] Description of reference numerals:

[0049] 1. Door opening fixed base; 11. Strip sliding through hole; 12. Support arm guide through hole; 100. Box door; 2. Sliding seat; 21. Sliding connecting rod; 22. Push-pull driving plate; 23. Fixed connecting plate; 200. Door handle; 211. Connecting rod sliding through hole; 3. Lock buckle swinging and pressing mechanism; 31. Lock buckle lifting swing arm; 32. Lock buckle swing arm support arm; 300. Lock buckle; 311. Sliding roller; 321. Lock buckle Support arm sliding shaft; 4. Door handle swinging and pressing mechanism; 41. Door handle lifting swing arm; 42. Door handle swing arm support arm; 400. Circuit board baking oven; 421. Door handle support arm sliding shaft; 5. Pressing drive mechanism; 6. Door closing mechanism; 61. Winding drive assembly; 62. Storage reel; 63. Door closing pull rope; 64. Guide support roller; 65. Pull hook; 66. Rope guide hole; 67. Temperature sensor. DETAILED DESCRIPTION

[0050] The following is combined with Figures 1 to 8 This application is described in further detail.

[0051] The present application embodiment discloses an automatic door opening device and method for an oven. Figure 1 , an automatic door opening device for an oven includes a circuit board baking oven for baking circuit boards, including a door opening fixed base 1 fixedly connected to the circuit board baking oven, a sliding seat 2 arranged on the door opening fixed base 1 and used to slide along the length direction of the door opening fixed base 1, a lock buckle swinging pressing mechanism 3 connected to the door opening fixed base 1 and used to lift the circuit board baking oven lock buckle, a door handle swinging pressing mechanism 4 connected to the door opening fixed base 1 and used to lift the circuit board baking oven door handle, and a pressing driving mechanism 5 connected to the door opening fixed base 1 and used to drive the sliding seat 2 to move along the length direction of the door opening fixed base 1;

[0052] The lock buckle swinging and pressing mechanism 3 comprises a lock buckle lifting swing arm 31 whose end is hinged to the door opening fixed base 1, and a lock buckle swing arm supporting arm 32 whose one end is movably connected to the sliding seat 2 and whose other end is hinged to the middle position of the lock buckle lifting swing arm 31; the door handle swinging and pressing mechanism 4 comprises a door handle lifting swing arm 41 whose end is hinged to the door opening fixed base 1, and a door handle swing arm supporting arm 42 whose one end is movably connected to the sliding seat 2 and whose other end is hinged to the middle position of the door handle lifting swing arm 41;

[0053] The sliding seat 2 is used to drive the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42 to move respectively. The lock buckle swing arm support arm 32 is used to support and lift the lock buckle lifting swing arm 31, and the door handle swing arm support arm 42 is used to support and lift the door handle lifting swing arm 41.

[0054] The sliding seat 2 of the present application slides along the length direction of the door-opening fixed base 1, and the movement of the sliding seat 2 is powered by the pressing driving mechanism 5; the sliding seat 2 is simultaneously movably connected with the lock buckle swing pressing mechanism 3 and the door handle swing pressing mechanism 4, and the end of the lock buckle lifting swing arm 31 in the lock buckle swing pressing mechanism 3 is hinged to the door-opening fixed base 1, and is connected to the sliding seat 2 through the lock buckle swing arm support arm 32, and the movement of the sliding seat 2 drives the lock buckle swing arm support arm 32, and then lifts the lock buckle lifting swing arm 31, so that the lock of the circuit board baking oven is lifted and opened; the end of the door handle lifting swing arm 41 in the door handle swing pressing mechanism 4 is hinged to the door-opening fixed base 1, and is connected to the sliding seat 2 through the door handle swing arm support arm 42, and when the sliding seat 2 moves, it drives the door handle swing arm support arm 42, and then lifts the door handle lifting swing arm 41, and then presses the door handle of the circuit board baking oven to realize the opening of the box door;

[0055] The sliding seat 2 of the present application drives the lock swing arm support arm 32 and the door handle swing arm support arm 42 to move in turn, so that the lock and the door handle of the circuit board baking oven are lifted up in turn, thereby realizing the function of automatically opening the door of the circuit board baking oven. The whole process does not require manual operation, avoiding harm to personnel caused by leakage of high-temperature gas, and improving operational safety; the top pressure drive mechanism 5 is preferably a cylinder.

[0056] Furthermore, if Figure 2 and Figure 3 As shown, the sliding seat 2 includes sliding links 21 arranged on both sides of the door opening fixed base 1, a push-pull drive plate 22 arranged at the ends of the sliding links 21 and fixedly connected to the ends of the two sliding links 21, and a fixed connecting plate 23 connected to the two sliding links 21 and located between the lock swing pressing mechanism 3 and the door handle swing pressing mechanism 4; the output end of the pressing drive mechanism 5 is connected to the push-pull drive plate 22, and the sliding links 21 are movably connected to the lock swing arm support arm 32 and the door handle swing arm support arm 42 respectively.

[0057] The ends of the two sliding links 21 of the present application are fixedly connected to each other through a push-pull drive plate 22, and the push-pull drive plate 22 is also connected to the output end of the top-pressing drive mechanism 5. The top-pressing drive mechanism 5 provides power to push the push-pull drive plate 22 to move along the length direction of the door opening fixed base 1, thereby driving the sliding links 21 to move synchronously; the two sliding links 21 are also auxiliaryly connected through a fixed connecting plate 23, and the fixed connecting plate 23 slides between the lock buckle swinging top-pressing mechanism 3 and the door handle swinging top-pressing mechanism 4, so as to be used for the connection and power transmission between the two sliding links 21. Under the drive of the pressing driving mechanism 5, the push-pull driving plate 22 drives the sliding connecting rod 21 and the fixed connecting plate 23 to move, so that the lock buckle lifting swing arm 31 in the lock buckle swing pressing mechanism 3 is lifted up through the lock buckle swing arm supporting arm 32, thereby opening the lock buckle; the door handle lifting swing arm 41 in the door handle swing pressing mechanism 4 is also lifted up through the door handle swing arm supporting arm 42, thereby opening the box door; through this linkage structure, the circuit board baking box lock buckle and the box door are gradually opened, avoiding the high temperature risk of manually opening the door, and improving the safety and automation level of the equipment.

[0058] Furthermore, if Figure 2 and Figure 3 As shown, the door opening fixed base 1 is provided with a strip sliding through hole 11 which penetrates the side wall of the door opening fixed base 1 in the horizontal direction, and a support arm guide through hole 12 which penetrates the side wall of the door opening fixed base 1 in the vertical direction and is connected with the strip sliding through hole 11, and the support arm guide through hole 12 is used for inserting the lock swing arm support arm 32 and the door handle swing arm support arm 42.

[0059] The support arm guide through hole 12 of the present application is used for inserting the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42, so that the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42 can move along the length direction of the support arm guide through hole 12; when the top pressure driving mechanism 5 drives the push-pull driving plate 22 to move, the sliding connecting rod 21 slides along the length direction of the strip sliding through hole 11, and the sliding connecting rod 21 drives the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42 to slide in the support arm guide through hole 12, thereby realizing the stable movement of the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42, improving the stability of the supporting connection structure of the lock buckle swing arm support arm 32 and the door handle swing arm support arm 42, and improving the accuracy of the swing support of the lock buckle lifting swing arm 31 and the door handle lifting swing arm 41;

[0060] The strip-shaped sliding through hole 11 and the support arm guide through hole 12 are preferably strip-shaped through holes arranged along the length direction of the door opening fixed base 1.

[0061] Specifically, Figure 2As shown, the lock swing arm support arm 32 is provided with a lock support arm sliding shaft 321 which is hinged to the end of the lock swing arm support arm 32 at an intermediate position, and both ends of the lock support arm sliding shaft 321 are passed through the strip sliding through hole 11 and connected to the sliding connecting rod 21.

[0062] The two ends of the lock support arm sliding shaft 321 of the present application pass through the strip sliding through hole 11 and are connected to the sliding connecting rod 21, so that the sliding connecting rod 21 can drive the lock support arm sliding shaft 321 to slide in the strip sliding through hole 11 when moving; when the top pressure driving mechanism 5 drives the sliding seat 2 to move along the length direction of the door opening fixed base 1, the sliding seat 2 drives the lock swing arm support arm 32 to move along the length direction of the strip sliding through hole 11 through the lock support arm sliding shaft 321, thereby lifting the lock lifting swing arm 31, thereby lifting and opening the lock of the circuit board baking oven; this connection and movement method ensures the precise opening of the circuit board baking oven lock, improves the safety, automation and operating efficiency of the equipment, and avoids the high temperature risk caused by manual operation.

[0063] More specifically, if Figure 2 As shown, the sliding link 21 is provided with a link sliding through hole 211 corresponding to the bar sliding through hole 11; the door handle swing arm support arm 42 is provided with a door handle support arm sliding shaft 421 which is hinged to the end of the door handle swing arm support arm 42 at an intermediate position, and both ends of the door handle support arm sliding shaft 421 are passed through the bar sliding through hole 11 and movably inserted into the link sliding through hole 211.

[0064] The two ends of the sliding shaft 421 of the door handle support arm of the present application are penetrated in the strip sliding through hole 11 and movably inserted into the connecting rod sliding through hole 211; when the top pressure driving mechanism 5 drives the sliding seat 2 to move, the sliding connecting rod 21 slides along the length direction of the strip sliding through hole 11, and the sliding shaft 421 of the door handle support arm slides in the connecting rod sliding through hole 211. When the inner side wall of the connecting rod sliding through hole 211 is in top pressure contact with the sliding shaft 421 of the door handle support arm, the sliding connecting rod 21 pushes the sliding shaft 421 of the door handle support arm to move, so that the door handle swing arm support arm 42 lifts the door handle lifting swing arm 41 to realize the opening of the circuit board baking box door; because the two ends of the sliding shaft 421 of the door handle support arm respectively pass through the strip sliding through hole 11 and are inserted into the connecting rod sliding through hole 211, this double insertion structure ensures the stability and synchronization of the movement;

[0065] When the sliding seat 2 drives the lock swing arm support arm 32 to move along the length direction of the strip sliding through hole 11 through the lock support arm sliding shaft 321, the door handle support arm sliding shaft 421 slides in the connecting rod sliding through hole 211. When the lock lifting swing arm 31 lifts and opens the lock of the circuit board baking oven, the sliding connecting rod 21 contacts and pushes the door handle support arm sliding shaft 421 to move, so that the door handle swing arm support arm 42 lifts the door handle lifting swing arm 41 to push open the door of the circuit board baking oven. The present application realizes the sequential actions of first unlocking the lock of the circuit board baking oven and then pushing to open the door through the linkage structure, so that the sliding seat 2 can accurately drive the movement of the lock and the door handle to realize the automatic opening of the door of the circuit board baking oven, avoid the safety threat to the operator when the high-temperature gas leaks, and improve the safety and automation of the equipment.

[0066] The connecting rod sliding through hole 211 is preferably a strip-shaped through hole arranged along the length direction of the sliding connecting rod 21 .

[0067] In addition, if Figures 2 to 4 As shown, sliding rollers 311 are provided at the ends of the lock buckle lifting swing arm 31 and the door handle lifting swing arm 41.

[0068] In the present application, when the lock lifting swing arm 31 is lifted up and swung, the sliding roller 311 contacts and rolls with the circuit board baking oven lock; when the door handle lifting swing arm 41 is lifted up and swung, the sliding roller 311 contacts and rolls with the circuit board baking oven door handle, so as to reduce friction and enable the oven door to open smoothly. The design effectively reduces the friction resistance when the oven door is opened by arranging the sliding roller 311 at the ends of the lock lifting swing arm 31 and the door handle lifting swing arm 41, thereby improving the smoothness and stability of the opening of the circuit board baking oven door, and further enhancing the operational convenience and safety of the automatic door opening device of the oven.

[0069] And, if Figures 2 to 5 As shown, a door closing mechanism 6 is also provided on the door opening fixed base 1; the door closing mechanism 6 includes a winding drive assembly 61 arranged on the back side of the door opening fixed base 1, a storage reel 62 arranged at the output end of the winding drive assembly 61, a door closing pull rope 63 wound on the storage reel 62 and arranged along the length direction of the door handle lifting swing arm 41, a guide support roller 64 arranged at the end of the door handle lifting swing arm 41 and located between the sliding roller 311 and the door handle lifting swing arm 41, and a pulling hook 65 fixedly connected to the end of the door closing pull rope 63 and used to hook the circuit board baking oven door handle.

[0070] In the present application, when the door of the circuit board baking oven needs to be closed, the winding drive assembly 61 drives the storage reel 62 to tighten the door closing pull rope 63, so that the door handle of the circuit board baking oven is pulled back to the closed position by pulling the hook 65; through this design, the door closing mechanism 6 can realize automatic closing of the door of the circuit board baking oven, avoiding manual operation in a high temperature environment, improving the automation degree of the circuit board baking oven, and ensuring the safety and efficiency of the operation process;

[0071] The winding drive assembly 61 is preferably a motor.

[0072] Furthermore, if Figure 3 As shown in 4 , the door handle lifting swing arm 41 , the door handle swing arm support arm 42 and the door opening fixed base 1 are all provided with a rope guide hole 66 for the door closing pull rope 63 to pass through. The door closing pull rope 63 is passed through the rope guide hole 66 and extends from between the sliding roller 311 and the guide support roller 64 .

[0073] In the present application, when the winding drive assembly 61 drives the storage reel 62 to wind up the door closing pull rope 63, the door closing pull rope 63 is guided by the rope guide hole 66 to pull the door handle lifting swing arm 41 and the door handle swing arm support arm 42 along a predetermined path to close the door of the circuit board baking oven; the sliding roller 311 and the guide support roller 64 play a supporting and rolling role in the pulling process, reducing friction and ensuring the smooth closing of the door of the circuit board baking oven; this design ensures a stable pulling path of the door closing pull rope 63 through the setting of the rope guide hole 66, improves the accuracy and reliability of the door closing operation, and at the same time, the cooperation of the sliding roller 311 and the guide support roller 64 further enhances the smoothness and safety of closing the door of the circuit board baking oven.

[0074] Furthermore, if Figure 2 As shown, the door closing mechanism 6 also includes a temperature sensor 67 which is arranged on the door opening fixed base 1 and is used to detect the temperature of the oven door after it is opened. The temperature sensor 67 is electrically connected to the winding drive assembly 61 .

[0075] In the present application, when the door of the circuit board baking oven is opened and the temperature of the gushing gas is lower than the preset value, the heating temperature in the circuit board baking oven does not meet the standard, and the temperature sensor 67 triggers the winding drive assembly 61 to start, and the winding drive assembly 61 drives the rotating storage reel 62 to wind up the door closing pull rope 63, and the circuit board baking oven door handle is pulled by pulling the hook 65 to close the door of the circuit board baking oven, so that the circuit board baking oven continues to heat the circuit board; this design improves the stability of the circuit board baking oven on the processing of the circuit board, improves the quality of the circuit board, improves the safety of operation, and reduces the tediousness and risk of manual operation through real-time monitoring and automatic control of the temperature sensor 67.

[0076] Specifically, Figures 5 to 8 As shown, the present application also discloses an automatic oven door opening method, including an automatic oven door opening device, and further comprising the following steps:

[0077] S1: The pressing driving mechanism 5 drives the sliding seat 2 to move upward relative to the door opening fixed base 1;

[0078] S2: The sliding seat 2 drives one end of the lock swing arm support arm 32 to move upward, and the lock swing arm support arm 32 performs a flipping motion with the hinged position with the lock lifting swing arm 31 as the rotation axis and lifts up the lock lifting swing arm 31;

[0079] S3: The lock lifting swing arm 31 performs a flipping motion with the hinged position with the door opening fixed base 1 as the rotation axis, so that the end of the lock lifting swing arm 31 away from the door opening fixed base 1 lifts the circuit board oven lock to unlock;

[0080] S4: the pressing driving mechanism 5 drives the sliding seat 2 to continue to move upward relative to the door opening fixed base 1, so that the sliding seat 2 presses and pushes the door handle swing arm support arm 42;

[0081] S5: The sliding seat 2 drives one end of the door handle swing arm support arm 42 to move upward, and the door handle swing arm support arm 42 performs a flipping motion with the hinged position with the door handle lifting swing arm 41 as the rotation axis and lifts up the door handle lifting swing arm 41;

[0082] S6: The door handle lifting swing arm 41 performs a flipping motion with the hinged position with the door opening fixed base 1 as the rotation axis, so that the end of the door handle lifting swing arm 41 away from the door fixed base 1 lifts the circuit board baking oven door handle to open the circuit board baking oven door.

[0083] The present application discloses a box door 100, a door handle 200, a lock 300, and a circuit board baking oven 400; the top pressure driving mechanism 5 of the present application is used to drive the sliding seat 2 to move upward relative to the door opening fixed base 1; the sliding seat 2 drives one end of the lock lock swing arm support arm 32 to move upward, and the lock lock swing arm support arm 32 performs a flipping movement around the hinged position of the lock lock swing arm support arm 32, thereby lifting the lock lock lifting swing arm 31; the lock lock lifting swing arm 31 flips with the hinged position of the lock lock lifting swing arm 31 and the door opening fixed base 1 as the rotation axis, so that the lock lock lifting swing arm 31 is away from one end of the door opening fixed base 1 to lift the lock 300 of the circuit board baking oven 400, thereby unlocking; the top pressure driving mechanism 5 continues to drive the sliding seat 2 to move upward The sliding seat 2 drives one end of the door handle swing arm support arm 42 to move upward, and the door handle swing arm support arm 42 flips around the hinged position of the door handle swing arm support arm 42 and lifts up the door handle lifting swing arm 41; the door handle lifting swing arm 41 flips with the hinged position with the door opening fixed base 1 as the rotation axis, so that the door handle lifting swing arm 41 is away from one end of the door fixed base 1 to lift up the door handle 200 of the circuit board baking oven 400, thereby opening the box door 100 of the circuit board baking oven 400; the present application realizes automatic unlocking and opening of the box door 100, improves the automation degree and operational safety of the door opening device, avoids the risk of manual operation in a high temperature environment, and ensures efficient and safe operation.

[0084] The implementation principle of an automatic oven door opening device and method in the present application embodiment is as follows:

[0085] An automatic door opening device for an oven, wherein a sliding seat 2 slides along the length direction of a door opening fixed base 1, and the movement of the sliding seat 2 is powered by a pressing driving mechanism 5; the sliding seat 2 is movably connected with a lock buckle swing pressing mechanism 3 and a door handle swing pressing mechanism 4 at the same time, and the end of a lock buckle lifting swing arm 31 in the lock buckle swing pressing mechanism 3 is hinged with the door opening fixed base 1, and is connected to the sliding seat 2 through a lock buckle swing arm support arm 32, and the movement of the sliding seat 2 drives the lock buckle swing arm support arm 32, thereby lifting the lock buckle lifting swing arm 31, so that the lock of the circuit board oven is lifted and opened; the door handle lifting swing arm 41 in the door handle swing pressing mechanism 4 The end of the door is hinged to the door opening fixed base 1, and is connected to the sliding seat 2 through the door handle swing arm support arm 42. When the sliding seat 2 moves, it drives the door handle swing arm support arm 42, and then lifts the door handle lifting swing arm 41, and then presses the door handle of the circuit board baking oven to open the oven door; the sliding seat 2 of the present application drives the lock swing arm support arm 32 and the door handle swing arm support arm 42 to move in turn, so that the lock and the door handle of the circuit board baking oven are lifted in turn, thereby realizing the function of automatically opening the door of the circuit board baking oven. The whole process does not require manual operation, which avoids the harm to personnel caused by the leakage of high-temperature gas and improves the operation safety;

[0086] When the door of the circuit board baking oven needs to be closed, the winding drive assembly 61 drives the storage reel 62 to tighten the door closing pull rope 63, so that the door handle of the circuit board baking oven is pulled back to the closed position by pulling the hook 65; through this design, the door closing mechanism 6 can realize automatic closing of the door of the circuit board baking oven, avoiding manual operation in a high temperature environment, improving the automation degree of the circuit board baking oven, and ensuring the safety and efficiency of the operation process;

[0087] The invention discloses an automatic door opening method for an oven, wherein a pressing driving mechanism 5 is used to drive a sliding seat 2 to move upward relative to a door opening fixed base 1; the sliding seat 2 drives one end of a lock handle swing arm support arm 32 to move upward, and the lock handle swing arm support arm 32 performs a flipping motion around a hinged position of the lock handle swing arm support arm 32, thereby lifting up the lock handle lifting swing arm 31; the lock handle lifting swing arm 31 is flipped with the hinged position of the lock handle lifting swing arm 31 and the door opening fixed base 1 as a rotation axis, so that the lock handle lifting swing arm 31 is away from one end of the door opening fixed base 1 to lift up the lock 300 of the circuit board oven 400, thereby unlocking; the pressing driving mechanism 5 continues to drive the sliding seat 2 to move upward, pushing the door handle swing arm support arm 4 2; the sliding seat 2 drives one end of the door handle swing arm support arm 42 to move upward, and the door handle swing arm support arm 42 flips around the hinge position of the door handle swing arm support arm 42 and lifts up the door handle lifting swing arm 41; the door handle lifting swing arm 41 flips with the hinge position with the door opening fixed base 1 as the rotation axis, so that the door handle lifting swing arm 41 is away from one end of the door fixed base 1 to lift up the door handle 200 of the circuit board baking oven 400, thereby opening the box door 100 of the circuit board baking oven 400; the present application realizes automatic unlocking and opening of the box door 100, improves the automation degree and operational safety of the door opening device, avoids the risk of manual operation in a high temperature environment, and ensures efficient and safe operation.

[0088] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic door opening device for an oven, comprising a circuit board baking oven for baking circuit boards, characterized in that: The invention comprises a door-opening fixed base (1) fixedly connected to the circuit board baking oven, a sliding seat (2) arranged on the door-opening fixed base (1) and used to slide along the length direction of the door-opening fixed base (1), a lock buckle swinging pressing mechanism (3) connected to the door-opening fixed base (1) and used to lift the lock buckle of the circuit board baking oven, a door handle swinging pressing mechanism (4) connected to the door-opening fixed base (1) and used to lift the door handle of the circuit board baking oven, and a pressing driving mechanism (5) connected to the door-opening fixed base (1) and used to drive the sliding seat (2) to move along the length direction of the door-opening fixed base (1); The lock buckle swinging and pressing mechanism (3) comprises a lock buckle lifting swing arm (31) whose end is hinged to the door opening fixed base (1), and a lock buckle swing arm support arm (32) whose one end is movably connected to the sliding seat (2) and whose other end is hinged to the middle position of the lock buckle lifting swing arm (31); the door handle swinging and pressing mechanism (4) comprises a door handle lifting swing arm (41) whose end is hinged to the door opening fixed base (1), and a door handle swing arm support arm (42) whose one end is movably connected to the sliding seat (2) and whose other end is hinged to the middle position of the door handle lifting swing arm (41); The sliding seat (2) is used to drive the lock buckle swing arm support arm (32) and the door handle swing arm support arm (42) to move respectively, the lock buckle swing arm support arm (32) is used to support and lift up the lock buckle lifting swing arm (31), and the door handle swing arm support arm (42) is used to support and lift up the door handle lifting swing arm (41); The sliding seat (2) comprises sliding links (21) arranged on both sides of the door opening fixed base (1), a push-pull drive plate (22) arranged at the ends of the sliding links (21) and fixedly connected to the ends of the two sliding links (21), and a fixed connection plate (23) connected to the two sliding links (21) and located between the lock buckle swing pressing mechanism (3) and the door handle swing pressing mechanism (4); the output end of the pressing drive mechanism (5) is connected to the push-pull drive plate (22), and the sliding link (21) is movably connected to the lock buckle swing arm support arm (32) and the door handle swing arm support arm (42) respectively; The ends of the lock buckle lifting swing arm (31) and the door handle lifting swing arm (41) are both provided with sliding rollers (311); A door closing mechanism (6) is also provided on the door opening fixed base (1); the door closing mechanism (6) comprises a winding drive assembly (61) provided on the back side of the door opening fixed base (1), a storage reel (62) provided at the output end of the winding drive assembly (61), a door closing pull rope (63) wound on the storage reel (62) and provided along the length direction of the door handle lifting swing arm (41), a guide support roller (64) provided at the end of the door handle lifting swing arm (41) and located between the sliding roller (311) and the door handle lifting swing arm (41), and a pulling hook (65) fixedly connected to the end of the door closing pull rope (63) and used to hook the circuit board oven door handle.

2. The automatic door opening device for an oven according to claim 1, characterized in that: The door opening fixed base (1) is provided with a strip-shaped sliding through hole (11) which penetrates the side wall of the door opening fixed base (1) in the transverse direction, and a support arm guide through hole (12) which penetrates the side wall of the door opening fixed base (1) in the longitudinal direction and is connected to the strip-shaped sliding through hole (11), wherein the support arm guide through hole (12) is used for inserting the lock swing arm support arm (32) and the door handle swing arm support arm (42).

3. The automatic door opening device for an oven according to claim 2, characterized in that: The locking swing arm support arm (32) is provided with a locking support arm sliding shaft (321) hinged to the end of the locking swing arm support arm (32) at an intermediate position, and both ends of the locking support arm sliding shaft (321) are passed through the strip-shaped sliding through hole (11) and connected to the sliding connecting rod (21).

4. The automatic door opening device for an oven according to claim 2, characterized in that: The sliding connecting rod (21) is provided with a connecting rod sliding through hole (211) arranged corresponding to the strip-shaped sliding through hole (11); the door handle swing arm support arm (42) is provided with a door handle support arm sliding shaft (421) hinged to the end of the door handle swing arm support arm (42) at an intermediate position, and both ends of the door handle support arm sliding shaft (421) are passed through the strip-shaped sliding through hole (11) and movably inserted into the connecting rod sliding through hole (211).

5. The automatic door opening device for an oven according to claim 1, characterized in that: The door handle lifting swing arm (41), the door handle swing arm support arm (42) and the door opening fixed base (1) are all provided with a rope guide hole (66) for the door closing pull rope (63) to pass through, and the door closing pull rope (63) is passed through the rope guide hole (66) and extends out from between the sliding roller (311) and the guide support roller (64).

6. The automatic door opening device for an oven according to claim 1, characterized in that: The door closing mechanism (6) further comprises a temperature sensor (67) disposed on the door opening fixed base (1) and used for detecting the temperature of the oven door after it is opened, and the temperature sensor (67) is electrically connected to the winding drive assembly (61).

7. A method for automatically opening an oven door, characterized in that: The automatic door opening device for an oven according to any one of claims 1 to 6 further comprises the following steps: S1: the pressing driving mechanism (5) drives the sliding seat (2) to move upward relative to the door-opening fixed base (1); S2: The sliding seat (2) drives one end of the lock swing arm support arm (32) to move upward, and the lock swing arm support arm (32) performs a flipping motion with the hinged position with the lock lifting swing arm (31) as the rotation axis and lifts up the lock lifting swing arm (31); S3: the lock lifting swing arm (31) performs a flipping motion with the hinged position with the door opening fixed base (1) as the rotation axis, so that the end of the lock lifting swing arm (31) away from the door opening fixed base (1) lifts the circuit board oven lock to unlock it; S4: the pressing driving mechanism (5) drives the sliding seat (2) to continue to move upward relative to the door opening fixed base (1), so that the sliding seat (2) presses and pushes the door handle swing arm support arm (42); S5: the sliding seat (2) drives one end of the door handle swing arm support arm (42) to move upward, and the door handle swing arm support arm (42) performs a flipping motion with the hinged position with the door handle lifting swing arm (41) as a rotation axis and lifts up the door handle lifting swing arm (41); S6: The door handle lifting swing arm (41) performs a flipping motion with the hinged position with the door opening fixed base (1) as the rotation axis, so that the end of the door handle lifting swing arm (41) away from the door opening fixed base (1) lifts the circuit board baking oven door handle, so that the circuit board baking oven door is opened.

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