Side-supported plate rack type conveying furnace and conveying method

Abstract

The present application discloses a side-supported plate rack type conveying furnace and a conveying method, wherein the conveying furnace comprises a conveying shell, a feeding device, a discharging device, a flipping and transferring device, and a rotary drying device; the flipping and transferring device comprises a material transfer bracket, a chain conveying mechanism, a plate clamping mechanism, and a limit pushing mechanism, and a loading station is arranged above the chain conveying mechanism; in the conveying method, the limit pushing mechanism pushes the plate clamping mechanism to make the plate clamping mechanism close to the two side edges of the workpiece to limit the lateral sliding of the workpiece; the adjacent plate clamping mechanisms cooperate to support the two side surfaces of the workpiece to limit the longitudinal sliding of the workpiece; the chain conveying mechanism drives the workpiece on the plate clamping mechanism to move in a direction close to the discharging device, and passes through the middle of the rotary drying device, and the rotary drying device rotates and dries the workpiece; the present application enables the PCB board to move in a vertical state, effectively improves the transportation stability of the PCB board with a smaller thickness during the drying process, prevents the deformation and separation of the PCB board, and improves the drying efficiency and product quality.

Description

Technical Field

[0001] The present application relates to the technical field of tunnel furnace baking equipment, and in particular to a side-supported plate rack type conveying furnace and a conveying method. Background Art

[0002] The surface of the PCB board after double-sided printing is usually coated with a green oil layer, which cannot be effectively baked through the traditional ordinary transportation method, so it needs to be transported by side clamping. However, when using traditional side clamping racks to transport thinner PCB boards, due to the small thickness of the board, when the rack is in a horizontal state, the PCB board is prone to dent and deform in the middle; this deformation will not only affect the uniformity of heating of the PCB board, affect the efficiency of baking and drying, but also increase the risk of the PCB board falling off the rack, resulting in the phenomenon of workpiece falling off the board during transportation, thereby affecting the overall production efficiency and product quality. Summary of the invention

[0003] In order to improve the problem that the middle part of thinner PCB boards is prone to depression and deformation during horizontal conveying and baking, which in turn leads to low drying efficiency and PCB boards detaching from the board rack, the present application provides a side-supported board rack conveying furnace and a conveying method.

[0004] The present application provides a side-supported plate rack type conveying furnace and a conveying method using the following technical solutions:

[0005] A side-supported plate rack type conveyor furnace comprises a conveyor shell, a feeding device arranged at one end of the conveyor shell and inserted in the conveyor shell, a discharging device arranged at the other end of the conveyor shell and inserted in the conveyor shell, a turning and transferring device inserted in the conveyor shell and located between the feeding device and the discharging device, and a rotary drying device connected to the conveyor shell and sleeved on the circumference of the turning and transferring device;

[0006] The material transfer device comprises a material transfer bracket inserted in the conveying shell, a chain conveying mechanism connected to the material transfer bracket and arranged along the length direction of the conveying shell, a plate clamping mechanism connected to the moving end of the chain conveying mechanism and arranged in an array along the length direction of the chain conveying mechanism, and a limit pushing mechanism connected to the inner side wall of the conveying shell and located on both sides of the plate clamping mechanism, and a loading station is provided above the chain conveying mechanism;

[0007] The chain conveying mechanism is used to drive the plate clamping mechanism to move to the loading station and flip the plate clamping mechanism to a vertical state; the feeding device is used to flip the workpiece to a vertical state and allow the workpiece to pass through the plate clamping mechanism in front of the loading station to move into the plate clamping mechanism on the loading station; the limit pushing mechanism is used to push the plate clamping mechanism on the loading station so that the plate clamping mechanism approaches and maintains the two side edges of the supported workpiece to limit the lateral sliding of the workpiece; the plate clamping mechanism behind the loading station remains in a vertical state and cooperates with the plate clamping mechanism on the loading station to support the two side surfaces of the workpiece to limit the longitudinal sliding of the workpiece.

[0008] By adopting the above technical scheme, the feeding device is used for feeding the workpiece, and the discharging device is used for discharging the workpiece; the chain conveying mechanism drives the plate clamping mechanism to move to the loading station, and flips the plate clamping mechanism to a vertical state at the loading station; the feeding device flips the workpiece to a vertical state, and allows the workpiece to pass through the plate clamping mechanism in front of the loading station and enter the plate clamping mechanism on the loading station; the limit pushing mechanism pushes the plate clamping mechanism at the loading station so that the plate clamping mechanism is close to the two side edges of the workpiece, thereby maintaining support for the workpiece and limiting the lateral sliding of the workpiece; the plate clamping mechanism located behind the loading station maintains a vertical state, and cooperates with the adjacent plate clamping mechanism to support the two side surfaces of the workpiece, limiting the longitudinal sliding of the workpiece; the chain conveying mechanism drives the workpiece maintained in a vertical state on the plate clamping mechanism to move in a direction close to the discharging device, and pass through the middle of the rotary drying device, and the rotary drying device rotates and dries the workpiece;

[0009] The present application uses a chain conveying mechanism to drive a plate clamping mechanism to pass through a rotary drying device, and achieves stable support and multi-directional limiting of the PCB board through the cooperation of multiple plate clamping mechanisms, so that the PCB board can be moved in a vertical state, effectively improving the transportation stability of PCB boards with smaller thicknesses during the drying process, preventing deformation and detachment of the PCB boards, and improving drying efficiency and product quality.

[0010] Preferably, the plate clamping mechanism includes a plate clamping base fixedly connected to the movable end of the chain conveying mechanism, a first limiting assembly arranged at one end of the plate clamping base, a second limiting assembly arranged at the other end of the plate clamping base, and a workpiece supporting assembly fixedly connected to the plate clamping base and located between the first limiting assembly and the second limiting assembly, the workpiece supporting assembly being provided with a limiting supporting groove for inserting the bottom side edge of the workpiece; the first limiting assembly and the second limiting assembly are used to cooperate in supporting the two side edges of the workpiece, and the workpiece supporting assembly is used to support the bottom of the workpiece.

[0011] By adopting the above technical solution, the chain conveying mechanism drives the plate clamp base to move to the loading station, the first limit assembly and the second limit assembly effectively support both sides of the workpiece, and the workpiece support assembly stably supports the bottom of the workpiece; the plate clamp mechanism of the present application supports the workpiece at three points through the combination of the first limit assembly, the second limit assembly and the workpiece support assembly, which not only ensures the lateral and longitudinal stability of the workpiece, but also avoids shaking, deformation or detachment of the workpiece during the conveying and drying process, thereby improving the reliability and efficiency of processing and transportation.

[0012] Preferably, the first limit assembly and the second limit assembly both include a fixed support rod fixedly connected to the plate clamp base, a side edge support component arranged parallel to the fixed support rod and used to support the side edge of the workpiece, a first flip connecting rod hinged at both ends to the fixed support rod and the side edge support component, a second flip connecting rod located below the first flip connecting rod and hinged at both ends to the fixed support rod and the side edge support component, and a limit locking component hinged to the fixed support rod and the side edge support component; the limit locking component is used to limit the relative movement between the fixed support rod and the side edge support component; the limit pushing mechanism is used to press the side edge support component so that the side edge support component approaches and supports the workpiece.

[0013] By adopting the above technical scheme, the limit locking components are respectively hinged between the fixed support rod and the side support components, limiting the relative movement of the fixed support rod and the side support components, and ensuring the stability of the structure; the limit pushing mechanism acts on the side support components, and pushes the side support components close to the workpiece by pressing, so that the side support components are close to and support the side edge of the workpiece; when the chain conveying mechanism of the present application drives the plate clamping mechanism to move in the direction close to the discharging device, the side support components maintain close contact with the workpiece, thereby limiting the lateral movement of the workpiece and keeping the workpiece stable during the drying process; the present application ensures stable support of the side edge of the workpiece through the cooperation of the flipping multi-link mechanism and the limit locking components. The design of the flipping multi-link makes the support process flexible and controllable, avoids lateral sliding or falling off of the workpiece, and improves the reliability of the conveying process and the accuracy of workpiece positioning.

[0014] Preferably, the limit locking component includes a locking hinge rod hinged to the side support component at one end and hinged to the fixed support rod at the other end, an arc-shaped rack arranged at the end of the hinge between the locking hinge rod and the fixed support rod, a locking member body hinged to the fixed support rod, a plug-in limit tooth arranged on the side edge of the locking member body and used for plugging and cooperating with the arc-shaped rack, an elastic reset member respectively connected to one end of the locking member body and the fixed support rod, a toggle convex edge arranged at the other end of the locking member body, and a toggle limit member arranged on one side of the locking member body and used for pressing the locking member body.

[0015] By adopting the above technical scheme, the arc-shaped rack is distributed along the arc shape, providing gradual angle adjustment for the locking action; when locking is required, the elastic reset part pulls the locking part body to maintain the flipping trend at the hinge position with the fixed support rod as the rotation axis, the plug-in limit tooth is plug-in-matched with the arc-shaped rack, and the arc-shaped rack is pressed by the plug-in limit tooth top to achieve the locking state; when the toggle convex edge is subjected to external force, the locking part body flips with the hinge position with the fixed support rod as the rotation axis, the locking part body stretches the elastic reset part, the plug-in limit tooth is pulled out from the arc-shaped rack, and the limit locking part releases the locking state; the limit locking part of the present application realizes reliable multi-angle locking and unlocking through the precise cooperation of the plug-in limit tooth and the arc-shaped rack, and the elastic reset part further enhances the automatic reset function of the device, ensures that the locking operation is simple and effective, and improves the safety and stability of the equipment during the workpiece transportation process.

[0016] Preferably, the position-limiting pushing mechanism comprises a side edge pushing component connected to the inner side wall of the conveying shell and used for pressing and pushing the side edge supporting component, and an unlocking pushing component used for pressing and pushing the shifting protrusion.

[0017] By adopting the above technical solution, the unlocking push component releases the locking state of the limit locking component by pressing and pushing the convex edge, so that the side edge support component can flexibly adjust its position; the side edge pushing component pushes the side edge support component to move inward, close to both sides of the workpiece, and fixes the workpiece in the plate clamping mechanism; the limit pushing mechanism of the present application realizes the flexible operation of first unlocking and then clamping the workpiece through the independent side edge pushing component and the unlocking pushing component, thereby improving the operating efficiency and safety.

[0018] Preferably, the flipping and transferring device also includes a plate clamp opening mechanism inserted in the plate clamp mechanism, and a plate clamp unlocking mechanism connected to the inner side wall of the conveying shell and used to press the sliding protrusion; when the plate clamp unlocking mechanism presses the sliding protrusion and unlocks the side edge support component, the plate clamp opening mechanism is used to open the two side edge support components in front of the loading station, so that the feeding device drives the workpiece to pass through between the two side edge support components and move to the plate clamp mechanism on the loading station.

[0019] By adopting the above technical solution, the plate clamp unlocking mechanism is used to press and push the convex edge to unlock the side edge support components; when the unlocking is completed, the plate clamp opening mechanism opens the two side edge support components in front of the loading station from the inside of the plate clamp mechanism to form a sufficient gap, ensuring that the feeding device can drive the workpiece to pass smoothly between the opened two side edge support components; the workpiece is moved to the plate clamp mechanism on the loading station to achieve accurate positioning and support; the present application can not only automatically unlock and open the side edge support components through the cooperation of the plate clamp unlocking mechanism and the plate clamp opening mechanism, thereby improving the efficiency of workpiece loading, but also ensuring the accurate positioning and support of the workpiece, reducing errors during operation, and improving the stability and reliability of the entire conveying and drying system.

[0020] Preferably, the plate clamp opening mechanism includes an opening bracket connected to the conveying shell, an opening base fixedly connected to the opening bracket, a sliding track provided on the opening base, a sliding seat slidably connected to the sliding track, a transmission rack fixedly connected to the sliding seat, a driving support frame fixedly connected to the opening base, an opening drive assembly provided on the driving support frame, a rotating gear provided at the output end of the opening drive assembly and respectively meshing with the two transmission racks, a pushing support rod fixedly connected to the sliding seat, and a pressing opening roller connected to the pushing support rod and used for pressing and cooperating with the side edge support component;

[0021] The spreading drive assembly is used to drive the rotating gear to rotate, and the rotating gear drives the two transmission racks to move in directions away from each other, so that the two sliding seats respectively press and spread the side edge support components.

[0022] By adopting the above technical scheme, the rotating gear is driven to rotate by the expansion drive assembly, and through the rotation of the rotating gear, the two transmission racks are driven to move in opposite directions and drive the sliding seat to slide; the sliding seat drives the pushing support rod fixed on the sliding seat to move, and the top pressure expansion roller is pressed to cooperate with the side edge support component, thereby expanding the side edge support component; through the linkage of the transmission rack and the rotating gear, the sliding seats on both sides can synchronously and evenly expand the two side edge support components of the workpiece, ensuring the smooth loading of the workpiece, while improving the degree of automation and the stability of the conveying process, and reducing manual intervention and operation errors.

[0023] Preferably, the rotary drying device includes a drying rotary drive mechanism connected to the conveying shell and sleeved on the circumference of the flipping and transferring device, an electric heating mechanism connected to the drying rotary drive mechanism, a blowing rotary drive mechanism connected to the conveying shell and sleeved on the circumference of the flipping and transferring device, and a blowing mechanism connected to the blowing rotary drive mechanism; the drying rotary drive mechanism and the blowing rotary drive mechanism are arranged in sequence along the movement direction of the workpiece; the drying rotary drive mechanism is used to drive the electric heating mechanism to rotate along the circumference of the flipping and transferring device, and the blowing rotary drive mechanism is used to drive the blowing mechanism to rotate along the circumference of the flipping and transferring device.

[0024] By adopting the above technical scheme, the drying rotary drive mechanism drives the electric heating mechanism to rotate along the circumference of the flipping and transferring device to achieve uniform heating of the workpiece surface, while the blowing rotary drive mechanism drives the blowing mechanism to rotate along the circumference of the flipping and transferring device to further quickly dry the workpiece by blowing. The present application ensures that the workpiece is evenly heated and dried at all angles during the movement process through synchronous rotational heating and blowing, thereby effectively improving the drying efficiency and avoiding workpiece quality problems caused by local uneven temperature. The electric heating mechanism is preferably a far-infrared heater; and the blowing mechanism is preferably a fan.

[0025] Preferably, the drying rotary drive mechanism and the blowing rotary drive mechanism each include an annular bracket connected to the conveying shell and sleeved on the circumference of the flipping and transferring device, an annular slide rail fixedly connected to the annular bracket, an annular rotating seat sleeved on the annular slide rail and slidably connected to the annular slide rail, an annular rack sleeved on the side wall of the annular rotating seat, a rotary drive assembly provided on the annular bracket, and a rotary transmission gear provided at the output end of the rotary drive assembly and meshing with the annular rack;

[0026] The electric heating mechanism and the air blowing mechanism are both connected to the annular rotating seat, and the air blowing mechanism is arranged in an array along the length direction of the annular rotating seat.

[0027] By adopting the above-mentioned technical scheme, the rotary drive assembly drives the annular rack through the transmission gear, realizes the rotation of the annular rotating seat along the annular slide rail, and then drives the electric heating mechanism and the blower mechanism to rotate circumferentially around the flipping and transferring device; the present application realizes uniform heating and blow-drying of the workpiece surface through the synchronous rotation of the electric heating mechanism and the blower mechanism, ensures that the workpiece can be dried in all directions during the movement process, and further improves the drying efficiency and product quality.

[0028] A conveying method for a side-supporting plate rack type conveying furnace, comprising the side-supporting plate rack type conveying furnace, and further comprising the following steps:

[0029] S1: The chain conveying mechanism drives the plate clamping mechanism to move to the loading station and flip it to a vertical state;

[0030] S2: the feeding device clamps the workpiece and flips the workpiece to a vertical state, and the feeding device drives the workpiece to pass through the plate clamping mechanism in front of the loading station to move into the plate clamping mechanism on the loading station;

[0031] S3: the limit pushing mechanism pushes the plate clamping mechanism on the loading station so that the plate clamping mechanism is close to the two side edges of the workpiece to limit the lateral sliding of the workpiece;

[0032] S4: the plate clamping mechanism behind the loading station is kept in a vertical state and cooperates with the plate clamping mechanism on the loading station to support the workpiece and limit the longitudinal sliding of the workpiece;

[0033] S5: the chain conveying mechanism drives the workpiece maintained in a vertical state on the plate clamping mechanism to move in a direction close to the discharging device and pass through the middle of the rotary drying device;

[0034] S6: the rotary drying device rotates and dries the workpiece maintained in a vertical state on the plate clamping mechanism;

[0035] S7: The chain conveying mechanism drives the workpiece on the plate clamping mechanism to move to one side of the discharging device, and the discharging device clamps the workpiece on the plate clamping mechanism and unloads it.

[0036] By adopting the above-mentioned technical scheme, the present application can accurately control the posture and position of the workpiece during the conveying process, ensuring the uniformity and consistency of the baking process; through the coordinated work of the limit push mechanism and the front and rear plate clamping mechanism, the sliding of the workpiece during the conveying process is effectively prevented, and the quality problems caused by deformation or displacement of the workpiece plate are reduced; the setting of the rotary drying device enables the hot air to evenly cover the workpiece, thereby improving the drying efficiency; the present application realizes the fully automated operation of the workpiece from loading, conveying, drying and unloading, and the workpiece always remains in a vertical state during the conveying process, ensuring uniform drying and improving production efficiency and product quality.

[0037] In summary, the present application includes at least one of the following beneficial technical effects:

[0038] 1. A side-supported plate rack conveyor furnace, wherein the feeding device is used for feeding the workpiece, and the discharging device is used for discharging the workpiece; the chain conveying mechanism drives the plate clamping mechanism to move to the loading station, and flips the plate clamping mechanism to a vertical state at the loading station; the feeding device flips the workpiece to a vertical state, and allows the workpiece to pass through the plate clamping mechanism in front of the loading station and then enter the plate clamping mechanism on the loading station; the limit pushing mechanism pushes the plate clamping mechanism at the loading station so that the plate clamping mechanism is close to the two side edges of the workpiece, thereby maintaining support for the workpiece and limiting the lateral sliding of the workpiece; the plate clamping mechanism located behind the loading station maintains a vertical state, and cooperates with the adjacent plate clamping mechanisms to support the two side surfaces of the workpiece, limiting the longitudinal sliding of the workpiece; the chain conveying mechanism drives the workpiece maintained in a vertical state on the plate clamping mechanism to move in a direction close to the discharging device, and passes through the middle of the rotary drying device, and the rotary drying device rotates and dries the workpiece;

[0039] The present application drives the plate clamping mechanism through the rotary drying device through the chain conveying mechanism, and realizes the stable support and multi-directional limit of the PCB board through the cooperation of multiple plate clamping mechanisms, so that the PCB board can be moved in a vertical state, effectively improving the transportation stability of the PCB board with a smaller thickness during the drying process, preventing the deformation and separation of the PCB board, and improving the drying efficiency and product quality;

[0040] 2. A side-supported plate rack conveyor furnace, in which the plate clamp unlocking mechanism is used to press and move the convex edge to unlock the side edge support component; when unlocking is completed, the plate clamp opening mechanism opens the two side edge support components in front of the loading station from the inner side of the plate clamp mechanism to form a sufficient gap, ensuring that the feeding device can drive the workpiece to pass smoothly between the opened two side edge support components; so that the workpiece is moved into the plate clamp mechanism on the loading station to achieve accurate positioning and support; the present application can not only automatically unlock and open the side edge support components through the cooperation of the plate clamp unlocking mechanism and the plate clamp opening mechanism, thereby improving the efficiency of workpiece loading, but also ensuring the accurate positioning and support of the workpiece, reducing errors during operation, and improving the stability and reliability of the entire conveying and drying system;

[0041] 3. A conveying method for a side-supported plate rack conveyor furnace, which can accurately control the posture and position of the workpiece during the conveying process, ensuring the uniformity and consistency of the baking process; through the coordinated work of the limit push mechanism and the front and rear plate clamping mechanisms, the sliding of the workpiece during the conveying process is effectively prevented, and the quality problems caused by deformation or displacement of the workpiece plate are reduced; the setting of the rotary drying device enables the hot air to evenly cover the workpiece, thereby improving the drying efficiency; the present application realizes the fully automated operation of the workpiece from loading, conveying to drying and unloading, and the workpiece always remains in a vertical state during the conveying process, ensuring uniform drying and improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1It is a schematic diagram of the exploded sectional structure of an embodiment of a side-supported plate rack conveyor furnace of the present application.

[0043] Figure 2 This is a schematic diagram of the cross-sectional structure of a side-supported plate rack conveyor furnace embodiment of the present application at the position of the feeding device Figure 1 .

[0044] Figure 3 It is a three-dimensional structural schematic diagram of a plate clamping mechanism of a side-supported plate rack type conveying furnace embodiment of the present application.

[0045] Figure 4 This is a schematic diagram of the cross-sectional structure of a side-supported plate rack conveyor furnace embodiment of the present application at the position of the feeding device Figure 2 .

[0046] Figure 5 It is a three-dimensional structural schematic diagram of a plate clamp propping mechanism of a side-supported plate rack type conveyor furnace embodiment of the present application.

[0047] Figure 6 It is a schematic cross-sectional view of the position of the discharge device of a side-supported plate rack conveyor furnace embodiment of the present application.

[0048] Figure 7 It is a schematic cross-sectional structure diagram of a rotary drying device of a side-supported plate rack conveyor furnace embodiment of the present application.

[0049] Figure 8 It is a side structural schematic diagram of a chain conveying mechanism and a plate clamping mechanism in an embodiment of a conveying method of a side-supported plate rack type conveying furnace of the present application.

[0050] Fig. 9 It is a schematic flow chart of the steps of an embodiment of a conveying method for a side-supported plate rack type conveying furnace of the present application.

[0051] Description of reference numerals:

[0052] 1. Conveying shell; 2. Feeding device; 21. Feeding manipulator; 22. Feeding base; 23. Fixed clamping mechanism; 24. Linear drive mechanism; 25. Mobile clamping mechanism; 231. Clamping bracket; 232. Clamping drive assembly; 233. Fixed clamping base; 234. Mobile clamping seat; 3. Discharging device; 31. Discharging manipulator; 32. Discharging base; 33. Workpiece side support mechanism; 34. First discharging conveyor belt; 35. Second discharging conveyor belt; 36. Discharging avoidance gap;

[0053] 4. Flipping and transferring device; 41. Transfer bracket; 42. Chain conveying mechanism; 43. Plate clamp mechanism; 44. Limiting and pushing mechanism; 45. Loading station; 46. Plate clamp opening mechanism; 47. Plate clamp unlocking mechanism; 431. Plate clamp base; 432. First limiting assembly; 433. Second limiting assembly; 434. Workpiece support assembly; 435. Limiting support groove; 441. Side edge pushing assembly; 442. Unlocking and pushing assembly; 461. Opening bracket; 462. Opening base; 463. Sliding track; 464. Sliding seat; 465. Transmission rack; 466. Driving support frame; 467. Opening driving assembly; 468. Rotating gear; 469. Pushing support rod; 470. Pressing and opening roller;

[0054] 4321, fixed support rod; 4322, side support component; 4323, first flip link; 4324, second flip link; 4325, limit locking component; 4326, locking hinge rod; 4327, arc-shaped rack; 4328, locking component body; 4329, plug-in limit teeth; 4330, elastic reset component; 4331, toggle convex edge; 4332, toggle limit component; 4333, support component body; 4334, triangular support component; 4335, limit groove; 4336, drying through hole; 4411, push drive assembly; 4412, push base; 4413, top pressure push roller;

[0055] 5. Rotary drying device; 51. Drying rotary drive mechanism; 52. Electric heating mechanism; 53. Blowing rotary drive mechanism; 54. Blowing mechanism; 511. Annular bracket; 512. Annular slide rail; 513. Annular rotating seat; 514. Annular rack; 515. Rotary drive assembly; 516. Rotary transmission gear. DETAILED DESCRIPTION

[0056] The following is combined with Figures 1 to 9 This application is described in further detail.

[0057] The present application discloses a side-supported plate rack type conveying furnace and a conveying method. Figure 1 A side-supported plate rack type conveyor furnace comprises a conveyor shell 1, a feeding device 2 provided at one end of the conveyor shell 1 and inserted in the conveyor shell 1, a discharging device 3 provided at the other end of the conveyor shell 1 and inserted in the conveyor shell 1, a turning and transferring device 4 inserted in the conveyor shell 1 and located between the feeding device 2 and the discharging device 3, and a rotary drying device 5 connected to the conveyor shell 1 and sleeved on the circumference of the turning and transferring device 4;

[0058] The turning and transferring device 4 includes a material transfer bracket 41 inserted into the conveying shell 1, a chain conveying mechanism 42 connected to the material transfer bracket 41 and arranged along the length direction of the conveying shell 1, a plate clamping mechanism 43 connected to the moving end of the chain conveying mechanism 42 and arranged in an array along the length direction of the chain conveying mechanism 42, and a limit pushing mechanism 44 connected to the inner side wall of the conveying shell 1 and located on both sides of the plate clamping mechanism 43. A loading station 45 is provided above the chain conveying mechanism 42;

[0059] The chain conveying mechanism 42 is used to drive the plate clamping mechanism 43 to move to the loading station 45, and flip the plate clamping mechanism 43 to a vertical state; the feeding device 2 is used to flip the workpiece to a vertical state, and make the workpiece pass through the plate clamping mechanism 43 in front of the loading station 45 to move into the plate clamping mechanism 43 on the loading station 45; the limiting pushing mechanism 44 is used to push the plate clamping mechanism 43 on the loading station 45, so that the plate clamping mechanism 43 approaches and maintains the two side edges of the supported workpiece to limit the lateral sliding of the workpiece; the plate clamping mechanism 43 behind the loading station 45 remains in a vertical state and cooperates with the plate clamping mechanism 43 on the loading station 45 to support the two side surfaces of the workpiece, so as to limit the longitudinal sliding of the workpiece.

[0060] The conveying shell 1 of the present application is the supporting structure of the entire conveying furnace. The feeding device 2 and the discharging device 3 are respectively inserted at the two ends of the conveying shell 1. The feeding device 2 is used for feeding the workpiece, and the discharging device 3 is used for discharging the workpiece; the chain conveying mechanism 42 drives the plate clamping mechanism 43 to move to the loading station 45, and turns the plate clamping mechanism 43 to a vertical state at the loading station 45; the feeding device 2 turns the workpiece to a vertical state, and makes the workpiece pass through the plate clamping mechanism 43 in front of the loading station 45 and then enter the plate clamping mechanism 43 on the loading station 45; the limit push The driving mechanism 44 pushes the plate clamping mechanism 43 at the loading station 45, so that the plate clamping mechanism 43 is close to the two side edges of the workpiece, thereby maintaining the support of the workpiece and limiting the lateral sliding of the workpiece; the plate clamping mechanism 43 located behind the loading station 45 is kept in a vertical state, and cooperates with the adjacent plate clamping mechanism 43 to support the two side surfaces of the workpiece, limiting the longitudinal sliding of the workpiece; the chain conveying mechanism 42 drives the workpiece kept in a vertical state on the plate clamping mechanism 43 to move in a direction close to the discharge device 3, and pass through the middle of the rotary drying device 5, and the rotary drying device 5 rotates and dries the workpiece;

[0061] In the present application, the plate clamping mechanism 43 is driven by the chain conveying mechanism 42 to pass through the rotary drying device 5, and the cooperation of multiple plate clamping mechanisms 43 is used to realize the stable support and multi-directional limit of the PCB board, so that the PCB board is kept in a vertical state for movement, which effectively improves the transportation stability of the PCB board with a smaller thickness during the drying process, prevents the deformation and separation of the PCB board, and improves the drying efficiency and product quality.

[0062] The chain conveying mechanism 42 is preferably a chain conveying belt, and the plate clamping mechanism 43 is kept vertical to the conveying belt of the chain conveying mechanism 42. When the chain conveying mechanism 42 drives the plate clamping mechanism 43 to move to the upper side of the chain conveying mechanism 42, the plate clamping mechanism 43 is kept vertical ( Figure 1 The chain conveying mechanism 42 and the plate clamping mechanism 43 at the middle position of the middle conveying furnace are not shown); the workpiece is preferably a PCB board.

[0063] Furthermore, if Figure 2 and Figure 3 As shown, the plate clamping mechanism 43 includes a plate clamping base 431 fixedly connected to the moving end of the chain conveying mechanism 42, a first limiting assembly 432 arranged at one end of the plate clamping base 431, a second limiting assembly 433 arranged at the other end of the plate clamping base 431, and a workpiece supporting assembly 434 fixedly connected to the plate clamping base 431 and located between the first limiting assembly 432 and the second limiting assembly 433, the workpiece supporting assembly 434 is provided with a limiting supporting groove 435 for inserting the bottom side edge of the workpiece; the first limiting assembly 432 and the second limiting assembly 433 are used to cooperate in supporting the two side edges of the workpiece, and the workpiece supporting assembly 434 is used to support the bottom of the workpiece.

[0064] The plate clamp base 431 of the present application is fixedly connected to the movable end of the chain conveying mechanism 42, serving as the supporting basis of the entire plate clamping mechanism 43; the first limit assembly 432 and the second limit assembly 433 are used to support the two side edges of the workpiece respectively to ensure the lateral stability of the workpiece; the workpiece support assembly 434 is used to support the bottom of the workpiece, and the limit support groove 435 is used for inserting the bottom side edge of the workpiece to further enhance the support stability of the workpiece; the chain conveying mechanism 42 drives the plate clamp base 431 to move to the loading station 45, the first limit assembly 432 and the second limit assembly 433 effectively support the two sides of the workpiece, and the workpiece support assembly 434 stably supports the bottom of the workpiece; the plate clamping mechanism 43 of the present application supports the workpiece at three points through the combination of the first limit assembly 432, the second limit assembly 433 and the workpiece support assembly 434, which not only ensures the lateral and longitudinal stability of the workpiece, but also avoids the shaking, deformation or detachment of the workpiece during the conveying and drying process, thereby improving the reliability and efficiency of processing and transportation.

[0065] Furthermore, if Figure 3As shown, the first limit assembly 432 and the second limit assembly 433 both include a fixed support rod 4321 fixedly connected to the plate clamp base 431, a side edge support component 4322 arranged parallel to the fixed support rod 4321 and used to support the side edge of the workpiece, a first flip link 4323 hinged at both ends to the fixed support rod 4321 and the side edge support component 4322, a second flip link 4324 located below the first flip link 4323 and hinged at both ends to the fixed support rod 4321 and the side edge support component 4322, and a limit locking component 4325 hinged to the fixed support rod 4321 and the side edge support component 4322; the limit locking component 4325 is used to limit the relative movement between the fixed support rod 4321 and the side edge support component 4322; the limit pushing mechanism 44 is used to press the side edge support component 4322 so that the side edge support component 4322 approaches and supports the workpiece.

[0066] The side support component 4322 of the present application is arranged in parallel with the fixed support rod 4321, and is used to support the side edge of the workpiece; the two ends of the first flip link 4323 are respectively hinged to the fixed support rod 4321 and the side support component 4322, forming a first fulcrum structure for connecting the supports; the second flip link 4324 is arranged below the first flip link 4323, and the two ends of the second flip link 4324 are respectively hinged to the fixed support rod 4321 and the side support component 4322, as an auxiliary flip mechanism, to ensure that the side support component 4322 can move smoothly; the limit locking components 4325 are respectively hinged to the fixed support The support rod 4321 and the side support component 4322 are limited in relative movement to ensure structural stability; the limit push mechanism 44 acts on the side support component 4322 to push the side support component 4322 close to the workpiece by top pressure, so that the side support component 4322 is closely attached to and supports the side edge of the workpiece; when the chain conveying mechanism 42 of the present application drives the plate clamping mechanism 43 to move in a direction close to the discharging device 3, the side support component 4322 maintains close contact with the workpiece, thereby limiting the lateral movement of the workpiece and keeping the workpiece stable during the drying process;

[0067] The present application ensures stable support of the side edge of the workpiece through the cooperation of the flip multi-link mechanism and the limit locking component 4325. The design of the flip multi-link makes the support process flexible and controllable, avoids lateral sliding or falling of the workpiece, and improves the reliability of the conveying process and the accuracy of workpiece positioning.

[0068] Specifically, Figure 3As shown, the limit locking component 4325 includes a locking hinge rod 4326 hinged to the side support component 4322 at one end and hinged to the fixed support rod 4321 at the other end, an arc-shaped rack 4327 arranged at the end of the hinge between the locking hinge rod 4326 and the fixed support rod 4321, a locking member body 4328 hinged to the fixed support rod 4321, a plug-in limit tooth 4329 arranged on the side edge of the locking member body 4328 and used for plugging and cooperating with the arc-shaped rack 4327, an elastic reset member 4330 respectively connected to one end of the locking member body 4328 and the fixed support rod 4321, a toggle protrusion 4331 arranged at the other end of the locking member body 4328, and a toggle limit member 4332 arranged on one side of the locking member body 4328 and used for pressing the locking member body 4328.

[0069] One end of the locking hinge rod 4326 of the present application is hinged to the side support component 4322, and the other end is hinged to the fixed support rod 4321, forming a basic locking structure; the arc-shaped rack 4327 is distributed along the arc shape to provide gradual angle adjustment for the locking action; the plug-in limit tooth 4329 is arranged on the side edge of the locking member body 4328, and cooperates with the arc-shaped rack 4327 to achieve angle fixation and locking through plug-in; one end of the locking member body 4328 is connected to the fixed support rod 4321 through an elastic reset member 4330, and the elastic reset member 4330 provides elastic force so that the locking member body 4328 can automatically return to the initial position after unlocking; the toggle limit member 4332 presses the locking member body 4328 to limit the moving position of the locking member body 4328;

[0070] When locking is required, the elastic reset member 4330 pulls the locking member body 4328 to keep the flipping tendency at the hinged position with the fixed support rod 4321 as the rotation axis, and the plug-in limiting tooth 4329 is plugged into and matched with the arc-shaped rack 4327, and the plug-in limiting tooth 4329 presses the arc-shaped rack 4327 to achieve the locking state; when the toggle convex edge 4331 is subjected to external force, the locking member body 4328 flips with the hinged position with the fixed support rod 4321 as the rotation axis, the locking member body 4328 stretches the elastic reset member 4330, the plug-in limiting tooth 4329 is pulled out from the arc-shaped rack 4327, and the limit locking member 4325 releases the locking state;

[0071] The limit locking component 4325 of the present application realizes reliable multi-angle locking and unlocking through the precise cooperation of the plug-in limit teeth 4329 and the arc-shaped rack 4327. The elastic reset member 4330 further enhances the automatic reset function of the device, ensures that the locking operation is simple and effective, and improves the safety and stability of the device during the workpiece conveying process.

[0072] The elastic return member 4330 is preferably a spring.

[0073] like Figure 3 As shown, the side edge support component 4322 includes a support component body 4333, and triangular support members 4334 arranged on both sides of the support component body 4333 and arranged in an array along the length direction of the support component body 4333, the support component body 4333 is provided with a limiting groove 4335 for inserting the side edge of the workpiece, and a drying through hole 4336 arranged in an array along the length direction of the support component body 4333 and used to connect the limiting groove 4335 with the outside; the triangular support member 4334 on one side of the support component body 4333 is inserted in the limiting groove 4335, and the width of the triangular support member 4334 gradually decreases in the direction approaching the conveying shell 1.

[0074] The limiting groove 4335 of the present application is used for inserting and limiting the side edge of the workpiece to ensure that the workpiece does not slide laterally during the conveying process; the connection between the drying through hole 4336 and the limiting groove 4335 can effectively convey hot air to the side edge of the workpiece, helping to carry out uniform drying treatment; the width of the triangular support 4334 gradually decreases in the direction close to the conveying shell 1. This design helps to reduce the contact area while supporting the workpiece, ensure that the workpiece is not subject to unnecessary support and pressure during the drying process, and make the drying process more uniform; the present application achieves reliable support and stable limiting of the side edge of the workpiece through the precise insertion of the limiting groove 4335 and the gradual narrowing design of the triangular support 4334, and at the same time enhances the circulation efficiency of the hot air through the drying through hole 4336; the matching design of the support component body 4333 and the triangular support 4334 not only ensures the stable support and positioning of the workpiece, but also optimizes the drying effect, and improves the efficiency of the overall conveying system and the workpiece processing quality.

[0075] More specifically, if Figure 2 As shown, the position limiting pushing mechanism 44 includes a side edge pushing component 441 connected to the inner side wall of the conveying shell 1 and used for pressing and pushing the side edge supporting component 4322 , and an unlocking pushing component 442 used for pressing and pushing the toggling protruding edge 4331 .

[0076] The unlocking push component 442 of the present application releases the locking state of the limit locking component 4325 by pressing and pushing the convex edge 4331, so that the side edge support component 4322 can flexibly adjust its position; the side edge pushing component 441 pushes the side edge support component 4322 to move inward, close to both sides of the workpiece, and fixes the workpiece in the plate clamping mechanism 43; the limit pushing mechanism 44 of the present application realizes the flexible operation of first unlocking and then clamping the workpiece through the independent side edge pushing component 441 and the unlocking push component 442, thereby improving the operating efficiency and safety.

[0077] like Figure 2As shown, the side edge pushing assembly 441 and the unlocking pushing assembly 442 both include a pushing drive assembly 4411 connected to the inner wall of the conveying shell 1, a pushing base 4412 connected to the output end of the pushing drive assembly 4411, and a top pressure pushing roller 4413 rotatably connected to the pushing base 4412.

[0078] The push driving assembly 4411 of the present application is used to push the push base 4412 to move, and the push base 4412 drives the top-pressing push roller 4413 to move; the top-pressing push roller 4413 on the side edge push assembly 441 is used to press the side edge support component 4322; the top-pressing push roller 4413 on the unlock push assembly 442 is used to press the toggle convex edge 4331; the present application realizes the precise control of the side edge support limiting action of the workpiece, ensures the stability and flexibility of the workpiece during the conveying process, and improves the processing efficiency and safety of the workpiece;

[0079] The push drive assembly 4411 is preferably a cylinder.

[0080] In addition, if Figure 4 As shown, the flipping and transferring device 4 also includes a plate clamp opening mechanism 46 inserted in the plate clamp mechanism 43, and a plate clamp unlocking mechanism 47 connected to the inner side wall of the conveying shell 1 and used to press and push the convex edge 4331; when the plate clamp unlocking mechanism 47 presses and pushes the convex edge 4331 and unlocks the side edge support component 4322, the plate clamp opening mechanism 46 is used to open the two side edge support components 4322 in front of the loading station 45, so that the feeding device 2 drives the workpiece to pass through between the two side edge support components 4322 and move to the plate clamp mechanism 43 on the loading station 45.

[0081] The plate clamp unlocking mechanism 47 of the present application is used to press and push the convex edge 4331 to unlock the side edge support component 4322; when the unlocking is completed, the plate clamp opening mechanism 46 opens the two side edge support components 4322 in front of the loading station 45 from the inner side of the plate clamp mechanism 43 to form a sufficient gap to ensure that the feeding device 2 can drive the workpiece to pass smoothly between the opened two side edge support components 4322; so that the workpiece is moved to the plate clamp mechanism 43 on the loading station 45 to achieve accurate positioning and support; the present application can not only automatically unlock and open the side edge support components 4322 through the cooperation of the plate clamp unlocking mechanism 47 and the plate clamp opening mechanism 46, thereby improving the efficiency of workpiece loading, but also ensuring the accurate positioning and support of the workpiece, reducing errors during operation, and improving the stability and reliability of the entire conveying and drying system.

[0082] And, if Figure 5As shown, the plate clamp opening mechanism 46 includes an opening bracket 461 connected to the conveying shell 1, an opening base 462 fixedly connected to the opening bracket 461, a sliding track 463 provided on the opening base 462, a sliding seat 464 slidably connected to the sliding track 463, a transmission rack 465 fixedly connected to the sliding seat 464, a driving support frame 466 fixedly connected to the opening base 462, an opening drive assembly 467 provided on the driving support frame 466, a rotating gear 468 provided at the output end of the opening drive assembly 467 and respectively meshing with the two transmission racks 465, a pushing support rod 469 fixedly connected to the sliding seat 464, and a pressing opening roller 470 connected to the pushing support rod 469 and used for pressing and cooperating with the side edge support component 4322;

[0083] The spreading driving assembly 467 is used to drive the rotating gear 468 to rotate, and the rotating gear 468 drives the two transmission racks 465 to move in directions away from each other, so that the two sliding seats 464 respectively press and spread the side edge supporting components 4322 accordingly.

[0084] The rotating gear 468 of the present application is driven to rotate by the expansion drive assembly 467. Through the rotation of the rotating gear 468, the two transmission racks 465 are driven to move in opposite directions and drive the sliding seat 464 to slide; the sliding seat 464 drives the pushing support rod 469 fixed on the sliding seat 464 to move, and the pressing and expanding roller 470 is pressed and matched with the side edge support component 4322, thereby expanding the side edge support component 4322; through the linkage of the transmission rack 465 and the rotating gear 468, the sliding seats 464 on both sides can synchronously and evenly expand the two side edge support components 4322 of the workpiece, ensuring the smooth loading of the workpiece, while improving the degree of automation and the stability of the conveying process, and reducing manual intervention and operation errors; the expansion drive assembly 467 is preferably a motor.

[0085] like Figure 4 As shown, the plate clamp unlocking mechanism 47 and the unlocking pushing assembly 442 have the same structure and both include a pushing driving assembly 4411 connected to the inner wall of the conveying shell 1, a pushing base 4412 connected to the output end of the pushing driving assembly 4411, and a pressing pushing roller 4413 rotatably connected to the pushing base 4412 and used for pressing and moving the convex edge 4331.

[0086] The pressing and pushing roller 4413 of the present application is used to contact the toggle convex edge 4331. When the push drive assembly 4411 is started, the push base 4412 drives the pressing and pushing roller 4413 to press the toggle convex edge 4331 forward to achieve the unlocking operation. The unlocking mechanism of the present application realizes the unlocking process of the side edge support component 4322 by pressing the toggle convex edge 4331. The unlocking action is automatically completed by the mechanical structure, which reduces the complexity of operation, ensures the smooth loading and positioning of the workpiece, and improves the automation level and production efficiency of the equipment; the push drive assembly 4411 is preferably a motor.

[0087] like Figure 2 As shown, the feeding device 2 includes a feeding manipulator 21 connected to the conveying shell 1, a feeding base 22 fixedly connected to the moving end of the feeding manipulator 21, a fixed clamping mechanism 23 provided at the end of the feeding base 22, a linear driving mechanism 24 connected to the feeding base 22, and a mobile clamping mechanism 25 provided at the moving end of the linear driving mechanism 24 and cooperating with the fixed clamping mechanism 23 to clamp the side edge of the workpiece;

[0088] Both the fixed clamping mechanism 23 and the mobile clamping mechanism 25 include a clamping bracket 231, a clamping drive assembly 232 connected to the clamping bracket 231, a fixed clamping base 233 connected to the outer wall of the clamping drive assembly 232, and a mobile clamping seat 234 arranged at the output end of the clamping drive assembly 232 and used to fix the clamping base 233 to cooperate with clamping the side edge of the workpiece.

[0089] The linear drive mechanism 24 of the present application is used to drive the mobile clamping mechanism 25 to move in a direction close to or away from the fixed clamping mechanism 23, and the mobile clamping mechanism 25 cooperates with the fixed clamping mechanism 23 to clamp the side edge of the workpiece; the mobile clamping seat 234 moves through the output end of the clamping drive component 232, and the mobile clamping seat 234 cooperates with the fixed clamping base 233 to clamp the side edge of the workpiece; the feeding device 2 of the present application ensures the firm clamping of the workpiece through the cooperation of the fixed clamping mechanism 23 and the mobile clamping mechanism 25, improves the stability and safety of the workpiece during the transmission process, and ensures the automated operation and production efficiency of the equipment; the feeding robot 21 is preferably a six-axis robot; the linear drive mechanism 24 is preferably a linear motor; the clamping drive component 232 is preferably a cylinder.

[0090] like Figure 6 As shown, the discharging device 3 includes a discharging manipulator 31 connected to the conveying shell 1, a discharging base 32 fixedly connected to the moving end of the feeding manipulator 21, a workpiece side edge support mechanism 33 arranged at the end of the feeding base 22, a first discharging conveyor belt 34 arranged on one side of the discharging manipulator 31, and a second discharging conveyor belt 35 arranged corresponding to the first discharging conveyor belt 34, and a discharging avoidance gap 36 is provided between the first discharging conveyor belt 34 and the second discharging conveyor belt 35;

[0091] The discharging robot 31 is used to drive the discharging base 32 to move to the plate clamping mechanism 43, and insert the side support mechanism 33 of the workpiece into the bottom of the middle position of the workpiece; the discharging avoidance gap 36 is used for the discharging robot 31 to drive the discharging base 32 to insert, so that the first discharging conveyor belt 34 and the second discharging conveyor belt 35 press and support the two side edges of the workpiece; the present application realizes the automated operation of the smooth transition of the workpiece from the plate clamping mechanism 43 to the discharging conveyor belt, ensures the stable output of the workpiece, avoids falling off or deviation, and thus improves the overall conveying efficiency and production stability; the discharging robot 31 is preferably a six-axis robot.

[0092] Furthermore, if Figure 7 As shown, the rotary drying device 5 includes a drying rotary drive mechanism 51 connected to the conveying shell 1 and sleeved on the circumference of the flipping and transferring device 4, an electric heating mechanism 52 connected to the drying rotary drive mechanism 51, a blowing rotary drive mechanism 53 connected to the conveying shell 1 and sleeved on the circumference of the flipping and transferring device 4, and a blowing mechanism 54 connected to the blowing rotary drive mechanism 53; the drying rotary drive mechanism 51 and the blowing rotary drive mechanism 53 are arranged in sequence along the movement direction of the workpiece; the drying rotary drive mechanism 51 is used to drive the electric heating mechanism 52 to rotate along the circumference of the flipping and transferring device 4, and the blowing rotary drive mechanism 53 is used to drive the blowing mechanism 54 to rotate along the circumference of the flipping and transferring device 4.

[0093] The drying rotary drive mechanism 51 of the present application drives the electric heating mechanism 52 to rotate along the circumference of the flipping and transferring device 4 to achieve uniform heating of the workpiece surface, while the blowing rotary drive mechanism 53 drives the blowing mechanism 54 to rotate along the circumference of the flipping and transferring device 4 to further quickly dry the workpiece by blowing air; the present application ensures that the workpiece can be uniformly heated and dried at all angles during the movement process through synchronous rotation heating and blowing, effectively improves the drying efficiency, and avoids workpiece quality problems caused by local uneven temperature; the electric heating mechanism 52 is preferably a far-infrared heater; the blowing mechanism 54 is preferably a fan.

[0094] Furthermore, if Figure 7 As shown, the drying rotary drive mechanism 51 and the blowing rotary drive mechanism 53 both include an annular bracket 511 connected to the conveying shell 1 and sleeved on the peripheral side of the flipping and transferring device 4, an annular slide rail 512 fixedly connected to the annular bracket 511, an annular rotating seat 513 sleeved on the annular slide rail 512 and slidably connected to the annular slide rail 512, an annular rack 514 sleeved on the side wall of the annular rotating seat 513, a rotary drive assembly 515 provided on the annular bracket 511, and a rotary transmission gear 516 provided at the output end of the rotary drive assembly 515 and meshing with the annular rack 514;

[0095] The electric heating mechanism 52 and the air blowing mechanism 54 are both connected to the annular rotating seat 513 , and the air blowing mechanism 54 is arranged in an array along the length direction of the annular rotating seat 513 .

[0096] The electric heating mechanism 52 of the present application is arranged in an array along the length direction of the annular rotating seat 513; the rotating drive component 515 drives the annular rack 514 through the rotating transmission gear 516 to realize the rotation of the annular rotating seat 513 along the annular slide rail 512, thereby driving the electric heating mechanism 52 and the blower mechanism 54 to rotate circumferentially around the flipping and transferring device 4; the present application realizes uniform heating and blow-drying of the workpiece surface through the synchronous rotation of the electric heating mechanism 52 and the blower mechanism 54, ensuring that the workpiece can be dried in all directions during the movement process, further improving the drying efficiency and product quality; the rotating drive component 515 is preferably a motor.

[0097] Specifically, Figure 8 and Fig. 9 As shown, a conveying method of a side-supported plate rack type conveying furnace includes a side-supported plate rack type conveying furnace, and further includes the following steps:

[0098] S1: The chain conveying mechanism 42 drives the plate clamping mechanism 43 to move to the loading station 45 and flip it to a vertical state;

[0099] S2: the feeding device 2 clamps the workpiece and turns the workpiece to a vertical state, and the feeding device 2 drives the workpiece to pass through the plate clamping mechanism 43 in front of the loading station 45 to move into the plate clamping mechanism 43 on the loading station 45;

[0100] S3: The limit pushing mechanism 44 pushes the plate clamping mechanism 43 on the loading station 45, so that the plate clamping mechanism 43 is close to the two side edges of the workpiece to limit the lateral sliding of the workpiece;

[0101] S4: The plate clamping mechanism 43 behind the loading station 45 is kept in a vertical state and cooperates with the plate clamping mechanism 43 on the loading station 45 to support the workpiece and limit the longitudinal sliding of the workpiece;

[0102] S5: The chain conveying mechanism 42 drives the workpiece maintained in a vertical state on the plate clamping mechanism 43 to move in a direction close to the discharging device 3 and pass through the middle of the rotary drying device 5;

[0103] S6: The rotary drying device 5 rotates and dries the workpiece maintained in a vertical state on the plate clamping mechanism 43;

[0104] S7: The chain conveying mechanism 42 drives the workpiece on the plate clamping mechanism 43 to move to one side of the discharging device 3, and the discharging device 3 clamps the workpiece on the plate clamping mechanism 43 and unloads it.

[0105] The present application drives the plate clamping mechanism 43 to move to the loading station 45 and flip it to a vertical state through the chain conveying mechanism 42; after the feeding device 2 clamps the workpiece and flips the workpiece to a vertical state, it drives the workpiece to pass through the plate clamping mechanism 43 in front of the loading station 45, and moves the workpiece into the plate clamping mechanism 43 on the loading station 45; the limit pushing mechanism 44 pushes the plate clamping mechanism 43 on the loading station 45, so that the plate clamping mechanism 43 is close to the two side edges of the workpiece to limit the lateral sliding of the workpiece; at the same time, the plate clamping mechanism behind the loading station 45 43 is kept in a vertical state, and cooperates with the plate clamping mechanism 43 on the loading station 45 to support the workpiece and limit the longitudinal sliding of the workpiece; the chain conveying mechanism 42 drives the workpiece kept in a vertical state on the plate clamping mechanism 43 to move in a direction close to the discharge device 3, and pass through the middle of the rotary drying device 5; the rotary drying device 5 rotates around the plate clamping mechanism 43 to dry the workpiece in all directions; the chain conveying mechanism 42 moves the workpiece on the plate clamping mechanism 43 to one side of the discharge device 3, and the discharge device 3 completes the unloading operation by clamping the workpiece;

[0106] The present application can accurately control the posture and position of the workpiece during the conveying process, ensuring the uniformity and consistency of the baking process; through the coordinated work of the limit push mechanism 44 and the front and rear plate clamping mechanism 43, the sliding of the workpiece during the conveying process is effectively prevented, and the quality problems caused by deformation or displacement of the workpiece plate are reduced; the setting of the rotary drying device 5 enables the hot air to evenly cover the workpiece, thereby improving the drying efficiency; the present application realizes the fully automated operation of the workpiece from loading, conveying to drying and unloading, and the workpiece always remains in a vertical state during the conveying process, ensuring uniform drying and improving production efficiency and product quality.

[0107] The implementation principle of a side-supported plate rack conveying furnace and a conveying method in the embodiment of the present application is as follows:

[0108] A side-supported plate rack type conveyor furnace, wherein a conveyor shell 1 is a supporting structure of the entire conveyor furnace, a feeding device 2 and a discharging device 3 are respectively inserted at both ends of the conveyor shell 1, the feeding device 2 is used for feeding the workpiece, and the discharging device 3 is used for discharging the workpiece; a chain conveying mechanism 42 drives a plate clamping mechanism 43 to move to a loading station 45, and flips the plate clamping mechanism 43 to a vertical state at the loading station 45; the feeding device 2 flips the workpiece to a vertical state, and allows the workpiece to pass through the plate clamping mechanism 43 in front of the loading station 45 and then enter the plate clamping mechanism 43 on the loading station 45 ; The limit push mechanism 44 pushes the plate clamp mechanism 43 at the loading station 45, so that the plate clamp mechanism 43 is close to the two side edges of the workpiece, thereby maintaining the support of the workpiece and limiting the lateral sliding of the workpiece; the plate clamp mechanism 43 located behind the loading station 45 is kept in a vertical state, and cooperates with the adjacent plate clamp mechanism 43 to support the two side surfaces of the workpiece, limiting the longitudinal sliding of the workpiece; the chain conveying mechanism 42 drives the workpiece kept in a vertical state on the plate clamp mechanism 43 to move in a direction close to the discharge device 3, and passes through the middle of the rotary drying device 5, and the rotary drying device 5 rotates and dries the workpiece;

[0109] In the present application, the plate clamping mechanism 43 is driven by the chain conveying mechanism 42 to pass through the rotary drying device 5, and the cooperation of multiple plate clamping mechanisms 43 is used to realize the stable support and multi-directional limit of the PCB board, so that the PCB board is kept in a vertical state for movement, which effectively improves the transportation stability of the PCB board with a smaller thickness during the drying process, prevents the deformation and separation of the PCB board, and improves the drying efficiency and product quality.

[0110] The plate clamp unlocking mechanism 47 is used to press and move the convex edge 4331 to unlock the side edge support component 4322; when the unlocking is completed, the plate clamp opening mechanism 46 opens the side edge support components 4322 in front of the loading station 45 from the inner side of the plate clamp mechanism 43 to form a sufficient gap to ensure that the feeding device 2 can drive the workpiece to pass smoothly between the opened side edge support components 4322; so that the workpiece is moved into the plate clamp mechanism 43 on the loading station 45 to achieve accurate positioning and support; the present application can not only automatically unlock and open the side edge support components 4322 through the cooperation of the plate clamp unlocking mechanism 47 and the plate clamp opening mechanism 46, thereby improving the efficiency of workpiece loading, but also ensuring the accurate positioning and support of the workpiece, reducing errors during operation, and improving the stability and reliability of the entire conveying and drying system;

[0111] A conveying method for a side-by-side plate rack type conveyor furnace, wherein a chain conveying mechanism 42 drives a plate clamping mechanism 43 to move to a loading station 45 and flip it to a vertical state; after a feeding device 2 clamps a workpiece and flips the workpiece to a vertical state, it drives the workpiece to pass through the plate clamping mechanism 43 in front of the loading station 45, and moves the workpiece into the plate clamping mechanism 43 on the loading station 45; a limit pushing mechanism 44 pushes the plate clamping mechanism 43 on the loading station 45, so that the plate clamping mechanism 43 is close to the two side edges of the workpiece, thereby limiting the lateral sliding of the workpiece; at the same time, the loading station 45 The plate clamping mechanism 43 at the rear is kept in a vertical state, and cooperates with the plate clamping mechanism 43 on the loading station 45 to support the workpiece, and limit the longitudinal sliding of the workpiece; the chain conveying mechanism 42 drives the workpiece kept in a vertical state on the plate clamping mechanism 43 to move in a direction close to the discharge device 3, and pass through the middle of the rotary drying device 5; the rotary drying device 5 rotates around the plate clamping mechanism 43 to dry the workpiece in all directions; the chain conveying mechanism 42 moves the workpiece on the plate clamping mechanism 43 to one side of the discharge device 3, and the discharge device 3 completes the unloading operation by clamping the workpiece;

[0112] The present application can accurately control the posture and position of the workpiece during the conveying process, ensuring the uniformity and consistency of the baking process; through the coordinated work of the limit push mechanism 44 and the front and rear plate clamping mechanism 43, the sliding of the workpiece during the conveying process is effectively prevented, and the quality problems caused by deformation or displacement of the workpiece plate are reduced; the setting of the rotary drying device 5 enables the hot air to evenly cover the workpiece, thereby improving the drying efficiency; the present application realizes the fully automated operation of the workpiece from loading, conveying to drying and unloading, and the workpiece always remains in a vertical state during the conveying process, ensuring uniform drying and improving production efficiency and product quality.

[0113] 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. A side-supported plate frame conveyor furnace, characterized in that: The invention comprises a conveying shell (1), a feeding device (2) arranged at one end of the conveying shell (1) and inserted into the conveying shell (1), a discharging device (3) arranged at the other end of the conveying shell (1) and inserted into the conveying shell (1), a tumbling transfer device (4) inserted into the conveying shell (1) and located between the feeding device (2) and the discharging device (3), and a rotary drying device (5) connected to the conveying shell (1) and sleeved on the circumference of the tumbling transfer device (4); The material transfer device (4) comprises a material transfer bracket (41) inserted into the conveying shell (1), a chain conveying mechanism (42) connected to the material transfer bracket (41) and arranged along the length direction of the conveying shell (1), a plate clamping mechanism (43) connected to the moving end of the chain conveying mechanism (42) and arranged in an array along the length direction of the chain conveying mechanism (42), and a limiting pushing mechanism (44) connected to the inner side wall of the conveying shell (1) and located on both sides of the plate clamping mechanism (43), and a loading station (45) is provided above the chain conveying mechanism (42); The chain conveying mechanism (42) is used to drive the plate clamping mechanism (43) to move to the loading station (45) and flip the plate clamping mechanism (43) to a vertical state; the feeding device (2) is used to flip the workpiece to a vertical state and allow the workpiece to pass through the plate clamping mechanism (43) in front of the loading station (45) to move into the plate clamping mechanism (43) on the loading station (45); the limit pushing mechanism (44) is used to push the plate clamping mechanism (43) on the loading station (45) so that the plate clamping mechanism (43) approaches and maintains the two side edges of the supported workpiece to limit the lateral sliding of the workpiece; the plate clamping mechanism (43) behind the loading station (45) is maintained in a vertical state and cooperates with the plate clamping mechanism (43) on the loading station (45) to support the two side surfaces of the workpiece to limit the longitudinal sliding of the workpiece; The plate clamping mechanism (43) comprises a plate clamping base (431) fixedly connected to the moving end of the chain conveying mechanism (42), a first limiting component (432) arranged at one end of the plate clamping base (431), and a second limiting component (433) arranged at the other end of the plate clamping base (431); the first limiting component (432) and the second limiting component (433) are used to cooperate with each other to support the two side edges of the workpiece; The first limiting assembly (432) and the second limiting assembly (433) both include a fixed support rod (4321) fixedly connected to the plate clamp base (431), a side edge support component (4322) arranged parallel to the fixed support rod (4321) and used to support the side edge of the workpiece, and a limiting locking component (4325) hinged to the fixed support rod (4321) and the side edge support component (4322); the limiting locking component (4325) is used to limit the relative movement between the fixed support rod (4321) and the side edge support component (4322); the limiting pushing mechanism (44) is used to press the side edge support component (4322) so that the side edge support component (4322) approaches and supports the workpiece; The position-limiting locking component (4325) comprises a locking hinge rod (4326) having one end hinged to the side support component (4322) and the other end hinged to the fixed support rod (4321), an arc-shaped rack (4327) provided at the end of the hinged portion between the locking hinge rod (4326) and the fixed support rod (4321), a locking member body (4328) hinged to the fixed support rod (4321), and a locking member body (4328) provided at the side edge of the locking member body (4328). And it includes a plug-in limit tooth (4329) for plugging and cooperating with the arc-shaped rack (4327), an elastic return member (4330) respectively connected to one end of the locking member body (4328) and the fixed support rod (4321), a toggle protrusion (4331) arranged at the other end of the locking member body (4328), and a toggle limit member (4332) arranged on one side of the locking member body (4328) and used to press the locking member body (4328).

2. A side-supported plate rack type conveyor furnace according to claim 1, characterized in that: A workpiece support assembly (434) is fixedly connected to the plate clamp base (431) and is located between the first limit assembly (432) and the second limit assembly (433); the workpiece support assembly (434) is provided with a limit support groove (435) for inserting the bottom side edge of the workpiece; the workpiece support assembly (434) is used to support the bottom of the workpiece.

3. A side-supported plate rack type conveyor furnace according to claim 2, characterized in that: A first flip link (4323) whose two ends are respectively hinged to the fixed support rod (4321) and the side support component (4322), and a second flip link (4324) located below the first flip link (4323) and whose two ends are respectively hinged to the fixed support rod (4321) and the side support component (4322).

4. The side-supporting plate frame conveyor furnace according to claim 1, characterized in that: The position limiting pushing mechanism (44) comprises a side edge pushing component (441) connected to the inner side wall of the conveying shell (1) and used for pressing and pushing the side edge supporting component (4322), and an unlocking pushing component (442) used for pressing and pushing the shifting protrusion (4331).

5. The side-supporting plate frame type conveyor furnace according to claim 1, characterized in that: The flipping and transferring device (4) also includes a plate clamp opening mechanism (46) inserted in the plate clamp mechanism (43), and a plate clamp unlocking mechanism (47) connected to the inner side wall of the conveying shell (1) and used to press the sliding protrusion (4331); when the plate clamp unlocking mechanism (47) presses the sliding protrusion (4331) and unlocks the side edge support component (4322), the plate clamp opening mechanism (46) is used to open the two side edge support components (4322) in front of the loading station (45), so that the feeding device (2) drives the workpiece to pass through between the two side edge support components (4322) and move to the plate clamp mechanism (43) on the loading station (45).

6. The side-supporting plate frame type conveyor furnace according to claim 5, characterized in that: The plate clamp opening mechanism (46) comprises an opening bracket (461) connected to the conveying shell (1), an opening base (462) fixedly connected to the opening bracket (461), a sliding track (463) arranged on the opening base (462), a sliding seat (464) slidably connected to the sliding track (463), a transmission rack (465) fixedly connected to the sliding seat (464), a driving support frame (466) fixedly connected to the opening base (462), an opening drive assembly (467) arranged on the driving support frame (466), a rotating gear (468) arranged at the output end of the opening drive assembly (467) and respectively meshing with the two transmission racks (465), a pushing support rod (469) fixedly connected to the sliding seat (464), and a pressing opening roller (470) connected to the pushing support rod (469) and used for pressing and matching with the side edge support component (4322); The spreading drive assembly (467) is used to drive the rotating gear (468) to rotate, and the rotating gear (468) drives the two transmission racks (465) to move in directions away from each other, so that the two sliding seats (464) respectively press and spread the side edge support components (4322) accordingly.

7. The side-supporting plate frame conveyor furnace according to claim 1, characterized in that: The rotary drying device (5) comprises a drying rotary drive mechanism (51) connected to the conveying shell (1) and sleeved on the circumference of the flipping and transferring device (4), an electric heating mechanism (52) connected to the drying rotary drive mechanism (51), a blowing rotary drive mechanism (53) connected to the conveying shell (1) and sleeved on the circumference of the flipping and transferring device (4), and a blowing mechanism (54) connected to the blowing rotary drive mechanism (53); the drying rotary drive mechanism (51) and the blowing rotary drive mechanism (53) are arranged in sequence along the movement direction of the workpiece; the drying rotary drive mechanism (51) is used to drive the electric heating mechanism (52) to rotate along the circumference of the flipping and transferring device (4), and the blowing rotary drive mechanism (53) is used to drive the blowing mechanism (54) to rotate along the circumference of the flipping and transferring device (4).

8. The side-supporting plate frame type conveyor furnace according to claim 7, characterized in that: The drying rotary drive mechanism (51) and the blowing rotary drive mechanism (53) both comprise an annular bracket (511) connected to the conveying shell (1) and sleeved on the circumference of the turning and transferring device (4), an annular slide rail (512) fixedly connected to the annular bracket (511), an annular rotating seat (513) sleeved on the annular slide rail (512) and slidably connected to the annular slide rail (512), an annular rack (514) sleeved on the side wall of the annular rotating seat (513), a rotary drive assembly (515) provided on the annular bracket (511), and a rotary transmission gear (516) provided at the output end of the rotary drive assembly (515) and meshing with the annular rack (514); The electric heating mechanism (52) and the air blowing mechanism (54) are both connected to the annular rotating seat (513), and the air blowing mechanism (54) is arranged in an array along the length direction of the annular rotating seat (513).

9. A conveying method for a side-supported plate rack type conveying furnace, characterized in that: The side-supported plate rack conveyor furnace according to any one of claims 1 to 8 further comprises the following steps: S1: The chain conveying mechanism (42) drives the plate clamping mechanism (43) to move to the loading station (45) and flip it to a vertical state; S2: the feeding device (2) clamps the workpiece and turns it over to a vertical state, and the feeding device (2) drives the workpiece to pass through the plate clamping mechanism (43) in front of the loading station (45) to move into the plate clamping mechanism (43) on the loading station (45); S3: the position-limiting pushing mechanism (44) pushes the plate clamping mechanism (43) on the loading station (45) so that the plate clamping mechanism (43) is close to the two side edges of the workpiece to limit the lateral sliding of the workpiece; S4: the plate clamping mechanism (43) behind the loading station (45) is kept in a vertical state and is correspondingly matched with the plate clamping mechanism (43) on the loading station (45) to support the workpiece and limit the longitudinal sliding of the workpiece; S5: the chain conveying mechanism (42) drives the workpiece maintained in a vertical state on the plate clamping mechanism (43) to move in a direction close to the discharge device (3) and pass through the middle of the rotary drying device (5); S6: the rotary drying device (5) rotates and dries the workpiece maintained in a vertical state on the plate clamping mechanism (43); S7: The chain conveying mechanism (42) drives the workpiece on the plate clamping mechanism (43) to move to one side of the discharge device (3), and the discharge device (3) clamps the workpiece on the plate clamping mechanism (43) and unloads it.

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