A cycle baking apparatus for network transformer baking

Abstract

The application discloses a circulating baking equipment for network transformer baking, and belongs to the technical field of electronic component production equipment. The equipment comprises a machine table, a baking box, an upper conveying track group, a lower conveying track group, a heating element, a first transfer module, a second transfer module, a transfer container and a feeding assembly. The baking box is fixed to the machine table and has a baking chamber inside. The upper conveying track group and the lower conveying track group are arranged in the baking chamber in a vertical manner. The first transfer module and the second transfer module are arranged in the longitudinal conveying spaces on the right side and the left side of the track group respectively. The transfer container circulates between the upper conveying track group and the lower conveying track group. The upper surface of the baking box is provided with a feeding opening. The feeding assembly grabs the workpiece from a standby material channel and places the workpiece in the transfer container on the upper conveying track group through the feeding opening. The upper and lower stacked tracks cooperate with the transfer modules to form a closed circulating path, which greatly reduces the equipment floor space, realizes automatic circulating baking of the workpiece, is suitable for production scenes with limited workshop space, and effectively improves the production efficiency and the automation degree.

Description

Technical Field

[0001] This invention relates to the field of network transformer manufacturing technology, and in particular to a circulating baking device for baking network transformers. Background Technology

[0002] In the manufacturing process of network transformers, pin tinning is one of the key steps. After tinning, the network transformers usually need to be baked to ensure that the solder fully solidifies and forms a reliable electrical connection, while removing volatile residues such as flux, ensuring the electrical performance and reliability of the product. In traditional production methods, operators typically arrange multiple network transformers one by one on a material tray, and then send the material tray loaded with the workpieces into a tunnel oven for continuous baking.

[0003] Tunnel ovens are a common type of baking equipment in the industry. They use conveyor belts or chains to move material trays sequentially through preheating, baking, and cooling zones, achieving continuous baking of workpieces. This equipment is stable in operation and produces consistent baking results, making it widely used in the mass baking of electronic components. However, tunnel ovens have a significant inherent drawback: their large footprint. Tunnel ovens typically require long, straight conveyor channels to ensure baking time meets process requirements, often reaching several meters or even tens of meters in length. This not only occupies a large portion of factory space but also places high demands on the regularity of the factory layout, especially its dependence on linear space along its length. For companies with limited production space, installing a tunnel oven often means large-scale adjustments or reconstruction of existing production lines, significantly limiting its applicability.

[0004] Furthermore, tunnel ovens typically require continuous operation to maintain thermal stability, resulting in significant energy waste during periods of low or low production. Additionally, their long conveyor structure leads to higher equipment costs and more complex daily maintenance.

[0005] In response to the above shortcomings, some manufacturers have tried to use batch-type box ovens to replace tunnel ovens. However, conventional box ovens can only achieve static placement and baking, and cannot automatically complete the circulation and transportation of workpieces during the baking process. They require frequent manual loading and unloading of material trays, making it difficult to form an effective connection with upstream and downstream processes, which seriously restricts the further improvement of production efficiency. Summary of the Invention

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a circulating baking device for baking network transformers.

[0007] One embodiment of the present invention addresses its technical problem by employing a circulating baking device for baking network transformers, comprising: Machine tool; A baking oven body is fixedly mounted on the machine platform, and its interior has a baking chamber. The upper conveyor track group and the lower conveyor track group are arranged vertically within the baking chamber and extend horizontally, respectively. The heating element is disposed within the baking cavity; The first longitudinal conveying space and the second longitudinal conveying space are respectively located on the right and left sides of the upper conveying track group and the lower conveying track group; A transfer container has a downwardly recessed receiving space on its upper surface for arranging and placing workpieces. The transfer container is configured to slide left and right along the upper conveyor track group or the lower conveyor track group. The first transfer module is movably disposed in the first longitudinal conveying space, and is used to receive the transfer container output from the right side of the lower conveying track group and transport the transfer container to the upper conveying track group. The second transfer module, movably disposed longitudinally within the second longitudinal conveying space, is used to receive the transfer container output from the left side of the upper conveying track group and to transport the transfer container to the lower conveying track group; and Feeding components; The upper surface of the baking oven is provided with a feeding opening, which is used to be opposite to the receiving space of the transfer container when the transfer container is located below it, so that the two can communicate with each other. The feeding assembly is used to grab a workpiece from the preparation channel and place the workpiece through the feeding opening into the receiving space of the transfer container located on the upper conveying track group and corresponding to the position of the feeding opening.

[0008] Preferably, the upper conveying track group includes two upper tracks spaced apart in the front-back direction, and the upper tracks extend in the left-right direction; the lower conveying track group includes two lower tracks spaced apart in the front-back direction, and the lower tracks extend in the left-right direction; the transfer container has a strip-shaped structure extending in the front-back direction, and the two ends of the transfer container are respectively supported on the upper surfaces of the two upper tracks or the upper surfaces of the two lower tracks, and can slide relative to each other.

[0009] Preferably, the first transfer module includes a first lifting element, a first transfer seat, and a first pushing element; the first transfer seat is movably disposed longitudinally within the first longitudinal conveying space, and a first transfer space is provided on one side facing the upper conveying track group and the lower conveying track group, and the transfer container can enter the first transfer space; the first lifting element is used to drive the first transfer seat to move longitudinally; the first pushing element is used to push the transfer container located in the first transfer space onto the upper conveying track group.

[0010] Preferably, the second transfer module includes a second lifting element, a second transfer seat, and a second pushing element; the second transfer seat is movably disposed longitudinally within the second longitudinal conveying space, and a second transfer space is provided on one side facing the upper conveying track group and the lower conveying track group, and the transfer container can enter the second transfer space; the second lifting element is used to drive the second transfer seat to move longitudinally; the second pushing element is used to push the transfer container located in the second transfer space onto the lower conveying track group.

[0011] Preferably, the moving end of the first pushing element is fixedly connected to a first pushing rod, and the first transfer seat and the baking box are respectively provided with first clearance openings corresponding to the positions of the first pushing rod. The first pushing rod can pass through the first clearance opening and push the transfer container toward the upper conveying track group.

[0012] Preferably, the moving end of the second pushing element is fixedly connected to a second pushing rod, and the second transfer seat and the baking box are respectively provided with second clearance openings corresponding to the position of the second pushing rod. The second pushing rod can pass through the second clearance opening and push the transfer container to move toward the lower conveying track group.

[0013] Preferably, the front and rear ends of the transfer container are rotatably connected to rollers, which can roll against the upper surface of the upper track or the upper surface of the lower track.

[0014] Preferably, the feeding opening extends in the front-to-back direction, and the material preparation channel is connected to the rear end of the feeding opening; the feeding assembly is used to clamp the workpiece in the material preparation channel and drive the workpiece forward into the feeding opening.

[0015] Preferably, the feeding assembly includes a slide rail, a moving platform, a lifting frame, a limiting plate, a clamping module, a lifting module, and a linear drive module; the slide rail is fixedly mounted on the machine base or the baking oven and extends in the front-to-back direction; the moving platform is movably mounted on the slide rail in the front-to-back direction, and the linear drive module is used to drive the moving platform to move back and forth relative to the slide rail; the lifting frame is movably mounted up and down relative to the moving platform, and the lifting module is used to drive the lifting frame to move up and down; the limiting plate is fixedly mounted on the lifting frame and is used to fit and position itself against the upper surface of the workpiece; two clamping modules are provided, located at the front and rear ends of the limiting plate, respectively.

[0016] Preferably, the clamping module includes a telescopic element fixedly disposed on the limiting plate and a clamping plate fixedly connected to the telescopic shaft of the telescopic element.

[0017] Compared with the prior art, the circulating baking device for baking network transformers provided by the present invention has the following beneficial effects: First, this invention establishes an upper and lower conveyor track group within the baking chamber of the baking oven, and a first and second transfer module are respectively located on the left and right sides. This allows the transfer container to form a closed-loop conveying path between the upper, first, lower, and second transfer modules. This structural design enables the workpiece to automatically circulate between multiple tracks during the baking process, achieving continuous baking without manual intervention. While ensuring baking effectiveness, this significantly improves production automation and operational efficiency.

[0018] Secondly, compared to the traditional tunnel-type baking oven that relies on long-distance straight conveying channels to achieve the required baking time, this invention uses stacked conveying track groups in conjunction with longitudinal transfer modules to make the transfer container circulate along a closed path within a limited space. This effectively extends the total residence time of the workpiece in the baking chamber to meet the baking process requirements, while also significantly reducing the horizontal footprint of the equipment. It is especially suitable for production scenarios with limited factory space and can be put into use without large-scale adjustments to existing production lines, making it highly applicable to various industries.

[0019] Third, by opening a feeding opening on the upper surface of the baking oven and using a feeding component to automatically grab the workpiece in the preparation channel and place it into the transfer container on the upper conveying track group, the present invention achieves effective connection between workpiece feeding and the circulating conveying system. It can directly form continuous operation with upstream and downstream processes, avoids the drawback of conventional box-type baking ovens requiring frequent manual handling of material trays, and further improves the overall production cycle.

[0020] Fourth, the closed-loop conveying structure allows for flexible start-up and shutdown as needed in non-full-capacity or small-batch production scenarios. The equipment achieves thermal stability quickly and energy consumption is controllable. Compared to the significant energy waste caused by continuous operation of tunnel furnaces, this invention offers a more significant energy-saving advantage. Furthermore, the overall structure is compact, and the components are highly modular, resulting in significantly lower equipment and daily maintenance costs compared to tunnel furnaces with long-stroke conveying structures. Attached Figure Description

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is one of the three-dimensional structural schematic diagrams of the present invention.

[0022] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0023] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle.

[0024] Figure 4 for Figure 2 Enlarged structural diagram at point B.

[0025] Figure 5 This is the second three-dimensional structural schematic diagram of the present invention.

[0026] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle.

[0027] Figure 7 This is the third three-dimensional structural schematic diagram of the present invention.

[0028] Figure 8 for Figure 7 Enlarged structural diagram at point A in the middle.

[0029] Figure 9 This is the fourth three-dimensional structural schematic diagram of the present invention. Detailed Implementation

[0030] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0031] In the description of this invention, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0032] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0033] In this invention, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integrally formed connection; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0034] like Figures 1 to 9 As shown, the present invention provides a circulating baking device for baking network transformers, including a machine base, a baking chamber 10, an upper conveying track group 110, a lower conveying track group 120, a heating element 130, a first longitudinal conveying space 140, a second longitudinal conveying space 150, a transfer container 40, a first transfer module 20, a second transfer module 30, and a feeding assembly 50.

[0035] like Figure 1 and Figure 2 As shown, the baking oven 10 is fixedly mounted on the machine platform. The baking oven 10 is hollow inside, forming a baking chamber. As the shell structure of the entire equipment, the baking oven 10 serves to insulate and support the internal components. The baking oven 10 is usually made of metal sheet, and its inner wall can be insulated to reduce heat loss.

[0036] The upper conveyor track assembly 110 and the lower conveyor track assembly 120 are arranged vertically within the baking chamber. The upper conveyor track assembly 110 and the lower conveyor track assembly 120 extend horizontally. The upper conveyor track assembly 110 is located in the upper region of the baking chamber, and the lower conveyor track assembly 120 is located in the lower region of the baking chamber. The upper conveyor track assembly 110 and the lower conveyor track assembly 120 are used to support and guide the transfer container 40 to slide horizontally. Both the upper conveyor track assembly 110 and the lower conveyor track assembly 120 are fixedly installed on the inner wall of the baking chamber body 10.

[0037] Heating element 130 is disposed within the baking chamber. Heating element 130 generates heat within the baking chamber to bake the workpiece located within it. Heating element 130 can be an electric heating film or a heating tube. Electric heating film has the advantages of uniform heating and fast response. Heating tube has the advantages of simple structure, low cost, and high heating power. In practical applications, the appropriate type of heating element can be selected based on the baking temperature requirements and equipment cost budget. Heating element 130 can be arranged at the top, bottom, or side wall of the baking chamber, or it can be distributed along the extension direction of the conveyor track to ensure the uniformity of the temperature field within the baking chamber.

[0038] The first longitudinal conveying space 140 is located to the right of the upper conveying track group 110 and the lower conveying track group 120. The second longitudinal conveying space 150 is located to the left of the upper conveying track group 110 and the lower conveying track group 120. Both the first longitudinal conveying space 140 and the second longitudinal conveying space 150 are longitudinal space areas within the baking chamber, used to accommodate the first transfer module 20 and the second transfer module 30 and provide space for their longitudinal movement. The first longitudinal conveying space 140 and the second longitudinal conveying space 150 are connected to the left and right ends of the upper conveying track group 110 and the lower conveying track group 120, allowing the transfer container 40 to move freely between the upper conveying track group 110 and the lower conveying track group 120 and the first longitudinal conveying space 140 and the second longitudinal conveying space 150.

[0039] like Figure 2 As shown, the upper surface of the transfer container 40 has a recessed receiving space 410. The receiving space 410 is used to arrange and place the workpiece, i.e., the network transformer. The shape and size of the receiving space 410 are adapted to the shape and size of the workpiece to ensure that the workpiece can be accurately positioned within the receiving space 410 and is not prone to displacement. The transfer container 40 is configured to slide left and right along the upper conveyor track group 110 or the lower conveyor track group 120. The transfer container 40 is typically a rectangular strip structure, extending along its length in the front-to-back direction. The transfer container 40 can be made of high-temperature resistant materials, such as metal or high-temperature resistant engineering plastics, to adapt to the high-temperature working environment inside the baking chamber.

[0040] like Figure 2 As shown, a first transfer module 20 is movably disposed longitudinally within a first longitudinal conveying space 140. The first transfer module 20 receives a transfer container 40 output from the right side of the lower conveying track group 120 and conveys the transfer container 40 to the upper conveying track group 110. A second transfer module 30 is movably disposed longitudinally within a second longitudinal conveying space 150. The second transfer module 30 receives a transfer container 40 output from the left side of the upper conveying track group 110 and conveys the transfer container 40 to the lower conveying track group 120.

[0041] Specifically, such as Figure 2 As shown, the circulating flow path of the transfer container 40 is as follows: The transfer container 40 first slides from right to left on the upper conveyor track group 110. When the transfer container 40 slides to the left end of the upper conveyor track group 110, it enters the second longitudinal conveying space 150 and is received by the second transfer module 30. The second transfer module 30 moves downward longitudinally, transporting the transfer container 40 from the position corresponding to the upper conveyor track group 110 to the position corresponding to the lower conveyor track group 120. Subsequently, the transfer container 40 is pushed onto the lower conveyor track group 120 and slides from left to right on it. When the transfer container 40 slides to the right end of the lower conveyor track group 120, it enters the first longitudinal conveying space 140 and is received by the first transfer module 20. The first transfer module 20 moves upward longitudinally, transporting the transfer container 40 from the position corresponding to the lower conveyor track group 120 to the position corresponding to the upper conveyor track group 110. Subsequently, the transfer container 40 is pushed onto the upper conveyor track assembly 110 to begin the next cycle. This process is repeated to achieve the circulation of the transfer container 40 within the baking chamber.

[0042] like Figure 1 As shown, a feeding opening 100 is provided on the upper surface of the baking oven 10. The feeding opening 100 is positioned opposite the receiving space 410 of the transfer container 40 when the transfer container 40 is located below it, allowing them to communicate with each other. The feeding opening 100 extends in the front-to-back direction. The shape and size of the feeding opening 100 are adapted to the shape and size of the receiving space 410 to ensure that the feeding assembly 50 can accurately place the workpiece into the receiving space 410 through the feeding opening 100. The feeding opening 100 is generally rectangular, extending in the front-to-back direction in its length and in the left-to-right direction in its width.

[0043] like Figure 1 As shown, the material preparation channel 101 is connected to the rear end of the feeding opening 100. The material preparation channel 101 is used to provide the workpieces to be baked to the feeding assembly 50. The material preparation channel 101 can be a vibratory feeder, conveyor belt or other forms of automatic feeding device to achieve continuous supply of workpieces.

[0044] The feeding assembly 50 is used to grab workpieces from the preparation channel 101 and place them through the feeding opening 100 into the receiving space 410 of the transfer container 40 located on the upper conveyor track group 110 and corresponding to the position of the feeding opening 100. The feeding assembly 50 is positioned above the baking oven 10, and its specific structure will be described in detail below.

[0045] like Figure 2 and Figure 4 As shown, the first transfer module 20 includes a first lifting element 210, a first transfer seat 220, and a first pushing element 230.

[0046] The first transfer seat 220 is movably disposed longitudinally within the first longitudinal conveying space 140. A first transfer space 221 is provided on the side of the first transfer seat 220 facing the upper conveying track group 110 and the lower conveying track group 120. The transfer container 40 can enter the first transfer space 221. The first transfer space 221 is a groove or cavity structure on the first transfer seat 220, the shape and size of which are adapted to the shape and size of the transfer container 40. When the transfer container 40 slides out from the right end of the lower conveying track group 120, the transfer container 40 can accurately enter the first transfer space 221 and be carried by the first transfer seat 220.

[0047] The first lifting element 210 is used to drive the first transfer seat 220 to move longitudinally. The first lifting element 210 is fixedly mounted on the machine base or baking oven 10. The moving end of the first lifting element 210 is fixedly connected to the first transfer seat 220. The first lifting element 210 can be a driving element such as a cylinder, an electric push rod, or a linear motor. In this embodiment, the first lifting element 210 is preferably a cylinder. Cylinders have the advantages of simple structure, fast response speed, and low cost, and are suitable for frequent reciprocating motion conditions.

[0048] The first pushing element 230 is used to push the transfer container 40 located in the first transfer space 221 onto the upper conveyor track group 110. The first pushing element 230 is fixedly mounted on the first transfer seat 220 or the baking oven 10. The moving end of the first pushing element 230 is positioned towards the first transfer space 221. The first pushing element 230 can be driven by a cylinder, an electric push rod, or a linear motor. In this embodiment, the first pushing element 230 is preferably a cylinder. The first pushing element 230 pushes for a distance equal to the position of one transfer container 40 at a time, ensuring that only one transfer container 40 is pushed from the first transfer space 221 onto the upper conveyor track group 110 at a time. The transfer container 40 located on the track moves along its movement path under the pressure of the adjacent transfer container 40.

[0049] like Figure 4 and Figure 8As shown, the moving end of the first pushing element 230 is fixedly connected to a first pushing rod 231. First clearance openings are respectively provided on the first transfer seat 220 and the baking chamber 10 at positions corresponding to the first pushing rod 231. The first pushing rod 231 can pass through the first clearance opening and push the transfer container 40 towards the upper conveying track assembly 110. The first clearance opening allows the first pushing rod 231 to extend from the outside of the first transfer seat 220 into the first transfer space 221, thereby applying a pushing force to the transfer container 40 located in the first transfer space 221. The first pushing rod 231 is typically a long, rod-shaped structure, extending horizontally. When the first pushing element 230 is activated, the first pushing rod 231 extends horizontally, pushing the transfer container 40 out of the first transfer space 221 and onto the upper conveying track assembly 110.

[0050] like Figure 2 and Figure 3 As shown, the second transfer module 30 includes a second lifting element 310, a second transfer seat 320, and a second pushing element 330.

[0051] The second transfer seat 320 is movably disposed longitudinally within the second longitudinal conveying space 150. A second transfer space 321 is provided on the side of the second transfer seat 320 facing the upper conveying track group 110 and the lower conveying track group 120. The transfer container 40 can enter the second transfer space 321. The second transfer space 321 is a groove or receiving cavity structure on the second transfer seat 320, the shape and size of which are adapted to the shape and size of the transfer container 40. When the transfer container 40 slides out from the left end of the upper conveying track group 110, the transfer container 40 can accurately enter the second transfer space 321 and be carried by the second transfer seat 320.

[0052] The second lifting element 310 is used to drive the second transfer seat 320 to move longitudinally. The second lifting element 310 is fixedly mounted on the machine base or baking oven 10. The moving end of the second lifting element 310 is fixedly connected to the second transfer seat 320. The second lifting element 310 can be a driving element such as a cylinder, an electric push rod, or a linear motor. In this embodiment, the second lifting element 310 is preferably a cylinder.

[0053] The second pushing element 330 is used to push the transfer container 40 located in the second transfer space 321 onto the lower conveyor track group 120. The second pushing element 330 is fixedly mounted on the second transfer seat 320 or the baking oven 10. The moving end of the second pushing element 330 is positioned towards the second transfer space 321. The second pushing element 330 can be driven by a cylinder, an electric push rod, or a linear motor. In this embodiment, the second pushing element 330 is preferably a cylinder. The second pushing element 330 pushes for a distance equal to the position of one transfer container 40 at a time, ensuring that only one transfer container 40 is pushed from the second transfer space 321 onto the lower conveyor track group 120 at a time.

[0054] The moving end of the second pushing element 330 is fixedly connected to a second pushing rod 331. Second clearance openings are respectively provided on the second transfer seat 320 and the baking chamber 10 at positions corresponding to the second pushing rod 331. The second pushing rod 331 can pass through the second clearance opening and push the transfer container 40 towards the lower conveying track assembly 120. The second clearance opening allows the second pushing rod 331 to extend from the outside of the second transfer seat 320 into the second transfer space 321, thereby applying a pushing force to the transfer container 40 located in the second transfer space 321. The second pushing rod 331 is typically a long, rod-shaped structure, extending horizontally. When the second pushing element 330 is activated, the second pushing rod 331 extends horizontally, pushing the transfer container 40 out of the second transfer space 321 and onto the lower conveying track assembly 120.

[0055] like Figure 8 As shown, the upper conveyor track assembly 110 includes two upper tracks spaced apart in the front-to-back direction. The upper tracks extend in the left-to-right direction. The two upper tracks are parallel to each other and together form a sliding track for carrying the transfer container 40. The lower conveyor track assembly 120 includes two lower tracks spaced apart in the front-to-back direction. The lower tracks extend in the left-to-right direction. The two lower tracks are parallel to each other and together form a sliding track for carrying the transfer container 40.

[0056] To further improve the operational stability of the transfer container 40 during the sliding process, guide grooves are provided on the upper surface of the upper track and the upper surface of the lower track along their respective extension directions. The cross-sectional shape of the guide groove is adapted to the contour of the roller 400, allowing the roller 400 to embed into the guide groove and roll along it. The guide groove guides and limits the movement of the roller 400, effectively preventing the transfer container 40 from shifting or moving forward or backward during the sliding process. This ensures that the transfer container 40 always runs stably along a predetermined trajectory, avoiding situations where workpieces cannot be accurately placed into the receiving space 410 or the transfer module cannot properly receive the transfer container 40 due to positional deviations. The depth and width of the guide groove can be set according to the size of the roller 400 and the load-bearing requirements, and can be flexibly adjusted by those skilled in the art according to actual working conditions. In addition, the cooperation between the guide groove and the roller 400 can also reduce the contact stress between the roller 400 and the track to a certain extent, reducing wear and extending the service life of the equipment.

[0057] The transfer container 40 is a strip-shaped structure extending in the front-to-back direction. Both ends of the transfer container 40 are supported on the upper surfaces of two upper rails or two lower rails, respectively, and can slide relative to each other. Specifically, when the transfer container 40 is located on the upper conveyor rail group 110, its front and rear ends rest on the two upper rails. When the transfer container 40 is located on the lower conveyor rail group 120, its front and rear ends rest on the two lower rails. This dual-rail support structure ensures the stability of the transfer container 40 during sliding.

[0058] like Figure 6 and Figure 8 As shown, rollers 400 are rotatably connected to the front and rear ends of the transfer container 40. The rollers 400 can roll against the upper surface of the upper rail or the upper surface of the lower rail. The rollers 400 transform the sliding friction between the transfer container 40 and the rail into rolling friction, significantly reducing frictional resistance and making the sliding of the transfer container 40 on the rail smoother. Simultaneously, the rollers 400 also reduce wear on the transfer container 40 and the rail, extending the service life of the equipment. The rollers 400 can be made of high-temperature resistant materials, such as metal or high-temperature resistant engineering plastics. The rollers 400 are rotatably connected to the transfer container 40 via a rotating shaft, and the axis of the rollers 400 is positioned along the front-back direction or the left-right direction.

[0059] like Figure 1 and Figure 5 As shown, the feeding assembly 50 includes a slide rail 510, a moving platform 520, a lifting frame 530, a limiting plate 540, a clamping module 550, a lifting module 560, and a linear drive module.

[0060] The slide rail 510 is fixedly mounted on the machine base or baking chamber 10. The slide rail 510 extends in the front-to-back direction. The slide rail 510 is used to guide the moving platform 520 to slide in the front-to-back direction. The slide rail 510 is usually a linear guide rail or linear slide rail to ensure the movement accuracy and stability of the moving platform 520.

[0061] The mobile platform 520 is movably mounted on the slide rail 510 in the front-to-back direction. The mobile platform 520 serves as the mobile base of the feeding assembly 50, supporting the lifting frame 530 and other related components. A linear drive module drives the mobile platform 520 to move back and forth relative to the slide rail 510. The linear drive module can be a linear motor, a lead screw linear drive mechanism, or other forms of linear drive device. Linear motors offer advantages such as fast response speed and high control precision. Lead screw linear drive mechanisms offer advantages such as simple structure and high load-bearing capacity.

[0062] The lifting frame 530 is vertically movable relative to the moving platform 520. The lifting module 560 drives the lifting frame 530 to move vertically. The lifting module 560 is fixedly mounted on the moving platform 520, and its moving end is fixedly connected to the lifting frame 530. The lifting module 560 is preferably a cylinder. Cylinders have the advantages of simple structure and fast response speed, making them suitable for frequent lifting operations.

[0063] The limiting plate 540 is fixedly mounted on the lifting frame 530. The limiting plate 540 is used to position and conform to the upper surface of the workpiece. The function of the limiting plate 540 is to vertically position the workpiece before clamping it, ensuring that the clamping module 550 can accurately clamp the workpiece. The limiting plate 540 is typically a flat plate structure with a flat lower surface.

[0064] Two clamping modules 550 are provided, located at the front and rear ends of the limiting plate 540, respectively. The two clamping modules 550 are used to clamp the front and rear ends of the workpiece, respectively. Figure 1 As shown, the clamping module 550 includes a telescopic element 551 fixedly mounted on the limiting plate 540 and a clamping plate 552 fixedly connected to the telescopic shaft of the telescopic element 551. The telescopic element 551 is preferably a cylinder. When the telescopic element 551 actuates, the clamping plate 552 moves relative to the limiting plate 540 under the drive of the telescopic element 551, thereby clamping or releasing the workpiece. The clamping plates 552 of the two clamping modules 550 are arranged opposite to each other. When the two telescopic elements 551 actuate simultaneously, the two clamping plates 552 move towards the center from both ends of the workpiece simultaneously, clamping the workpiece.

[0065] The feeding assembly 50 operates as follows: First, the linear drive module drives the moving platform 520 to move backward along the slide rail 510, causing the clamping module 550 to move above the preparation channel 101. The lifting module 560 drives the lifting frame 530 to move downward, causing the limiting plate 540 to fit and position itself against the upper surface of the workpiece in the preparation channel 101. Subsequently, the telescopic elements 551 of the two clamping modules 550 operate simultaneously, and the clamping plates 552 clamp the workpiece from both ends. The lifting module 560 drives the lifting frame 530 to move upward, removing the workpiece from the preparation channel 101. The linear drive module drives the moving platform 520 to move forward along the slide rail 510, causing the clamping module 550 holding the workpiece to move above the feeding opening 100. The lifting module 560 again drives the lifting frame 530 to move downward, feeding the workpiece through the feeding opening 100 into the receiving space 410 of the transfer container 40 located on the upper conveyor rail assembly 110. When the telescopic element 551 is activated, the clamping plate 552 releases the workpiece, completing one loading action.

[0066] The following is combined with Figures 1 to 4 The working process of the circulating baking device of the present invention is described in full.

[0067] The transfer container 40, loaded with workpieces, slides from right to left on the upper conveyor track assembly 110. The movement of the transfer container 40 on the upper conveyor track assembly 110 is achieved by the thrust of the first pushing element 230. During the sliding process, the heat generated by the heating element 130 in the baking chamber bakes the workpieces. When the transfer container 40 slides to the left end of the upper conveyor track assembly 110, it exits from the left side of the upper conveyor track assembly 110 and enters the second longitudinal conveying space 150. At this time, the second transfer seat 320 of the second transfer module 30 has moved to the longitudinal position corresponding to the upper conveyor track assembly 110, and the transfer container 40 enters the second transfer space 321.

[0068] The second lifting element 310 drives the second transfer seat 320 to move longitudinally downwards, conveying the transfer container 40 from the position corresponding to the upper conveyor track group 110 to the position corresponding to the lower conveyor track group 120. Subsequently, the second pushing element 330 actuates, and the second pushing rod 331 passes through the second clearance opening and pushes the transfer container 40 located in the second transfer space 321 toward the lower conveyor track group 120. The second pushing element 330 pushes the position of one transfer container 40 at a time, ensuring that only one transfer container 40 is pushed onto the lower conveyor track group 120 at a time. The transfer container 40 slides out of the second transfer space 321 and enters the lower conveyor track group 120.

[0069] The transfer container 40 slides from left to right on the lower conveyor track group 120. The movement of the transfer container 40 on the lower conveyor track group 120 is achieved by the pushing force of the second pushing element 330. During the sliding process, the heating element 130 continues to bake the workpiece. When the transfer container 40 slides to the right end of the lower conveyor track group 120, the transfer container 40 is output from the right side of the lower conveyor track group 120 and enters the first longitudinal conveying space 140. At this time, the first transfer seat 220 of the first transfer module 20 has moved to the longitudinal position corresponding to the lower conveyor track group 120, and the transfer container 40 enters the first transfer space 221.

[0070] The first lifting element 210 drives the first transfer seat 220 to move longitudinally upward, conveying the transfer container 40 from the position corresponding to the lower conveyor track group 120 to the position corresponding to the upper conveyor track group 110. Subsequently, the first pushing element 230 actuates, and the first pushing rod 231 passes through the first clearance opening and pushes the transfer container 40 located in the first transfer space 221 toward the upper conveyor track group 110. The first pushing element 230 pushes the position of one transfer container 40 at a time, ensuring that only one transfer container 40 is pushed onto the upper conveyor track group 110 at a time. The transfer container 40 slides out of the first transfer space 221 and enters the upper conveyor track group 110, starting the next cycle.

[0071] After the feeding component 50 completes the predetermined number of gripping operations, the transfer container 40, which is loaded with the baked workpiece, continues to run in the circulation path. When the transfer container 40 circulates to the position corresponding to the feeding opening 100, the unloading operation can be carried out.

[0072] Regarding the unloading method, this invention provides the following two optional implementation schemes. In one implementation scheme, the feeding component 50 directly grabs the baked workpiece in the transfer container 40 corresponding to the feeding opening 100 and transfers the workpiece to the next process. This scheme utilizes the existing feeding component 50 to complete the unloading operation without adding additional equipment, and has the advantages of simple structure and low cost. In another implementation scheme, an unloading module with the same structure as the feeding component 50 is added. This unloading module is set up independently of the feeding component 50 and is used specifically to grab the baked workpiece and transfer it to the next process. In this scheme, the feeding component 50 and the unloading module can work independently and in parallel, which is beneficial to further improve the operating cycle and production efficiency of the equipment. The above two unloading methods can be flexibly selected according to actual production needs.

[0073] The circulating baking equipment of the present invention uses an upper conveying track group 110 and a lower conveying track group 120 stacked on top of each other, in conjunction with a first transfer module 20 and a second transfer module 30, to make the transfer container 40 run along a closed circulation path in the baking chamber, effectively extending the total residence time of the workpiece in the baking chamber, while significantly reducing the horizontal floor area of ​​the equipment, making it particularly suitable for production scenarios with limited factory space.

[0074] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A circulating baking device for baking network transformers, characterized in that, include: Machine tool; The baking oven (10) is fixedly installed on the machine platform and has a baking chamber inside; The upper conveyor track group (110) and the lower conveyor track group (120) are arranged vertically within the baking chamber and extend horizontally, respectively. Heating element (130) is disposed in the baking chamber; The first longitudinal conveying space (140) and the second longitudinal conveying space (150) are respectively located on the right and left sides of the upper conveying track group (110) and the lower conveying track group (120); The transfer container (40) has a downwardly recessed receiving space (410) on its upper surface for arranging and placing workpieces. The transfer container (40) is configured to slide left and right along the upper conveying track group (110) or the lower conveying track group (120). The first transfer module (20) is movably disposed in the first longitudinal conveying space (140) for receiving the transfer container (40) output from the right side of the lower conveying track group (120) and conveying the transfer container (40) to the upper conveying track group (110). The second transfer module (30) is movably disposed in the second longitudinal conveying space (150) for receiving the transfer container (40) output from the left side of the upper conveying track group (110) and conveying the transfer container (40) to the lower conveying track group (120). as well as Feeding assembly (50); The upper surface of the baking oven (10) is provided with a feeding opening (100). The feeding opening (100) is used to be opposite to the receiving space (410) of the transfer container (40) when the transfer container (40) is located below it, so that the two can communicate with each other. The feeding assembly (50) is used to grab the workpiece from the preparation channel (101) and place the workpiece through the feeding opening (100) into the receiving space (410) of the transfer container (40) located on the upper conveying track group (110) and corresponding to the position of the feeding opening (100).

2. The circulating baking device for baking network transformers according to claim 1, characterized in that, The upper conveying track group (110) includes two upper tracks spaced apart in the front-back direction, and the upper tracks extend in the left-right direction; the lower conveying track group (120) includes two lower tracks spaced apart in the front-back direction, and the lower tracks extend in the left-right direction; the transfer container (40) has a strip-shaped structure extending in the front-back direction, and the two ends of the transfer container (40) are respectively supported on the upper surfaces of the two upper tracks or the upper surfaces of the two lower tracks, and can slide relative to each other.

3. The circulating baking equipment for baking network transformers according to claim 1, characterized in that, The first transfer module (20) includes a first lifting element (210), a first transfer seat (220), and a first pushing element (230); the first transfer seat (220) is movably disposed in the first longitudinal conveying space (140) and a first transfer space (221) is provided on one side facing the upper conveying track group (110) and the lower conveying track group (120), and the transfer container (40) can enter the first transfer space (221); the first lifting element (210) is used to drive the first transfer seat (220) to move longitudinally; the first pushing element (230) is used to push the transfer container (40) located in the first transfer space (221) onto the upper conveying track group (110).

4. A circulating baking device for baking network transformers according to claim 1, characterized in that, The second transfer module (30) includes a second lifting element (310), a second transfer seat (320), and a second pushing element (330); the second transfer seat (320) is movably disposed in the second longitudinal conveying space (150) along the longitudinal direction, and a second transfer space (321) is provided on one side facing the upper conveying track group (110) and the lower conveying track group (120), and the transfer container (40) can enter the second transfer space (321); the second lifting element (310) is used to drive the second transfer seat (320) to move along the longitudinal direction; the second pushing element (330) is used to push the transfer container (40) located in the second transfer space (321) onto the lower conveying track group (120).

5. A circulating baking device for baking network transformers according to claim 3, characterized in that, The first pusher element (230) is fixedly connected to a first pusher rod (231) at its moving end. The first transfer seat (220) and the baking box (10) are respectively provided with first clearance openings at positions corresponding to the first pusher rod (231). The first pusher rod (231) can pass through the first clearance opening and push the transfer container (40) toward the upper conveying track group (110).

6. A circulating baking device for baking network transformers according to claim 4, characterized in that, The moving end of the second pusher element (330) is fixedly connected to the second pusher rod (331). The second transfer seat (320) and the baking box (10) are respectively provided with second clearance openings corresponding to the second pusher rod (331). The second pusher rod (331) can pass through the second clearance opening and push the transfer container (40) toward the lower conveying track group (120).

7. A circulating baking device for baking network transformers according to claim 2, characterized in that, The front and rear ends of the transfer container (40) are respectively rotatably connected to rollers (400), and the rollers (400) can roll against the upper surface of the upper track or the upper surface of the lower track.

8. A circulating baking device for baking network transformers according to claim 1, characterized in that, The feeding opening (100) extends in the front-to-back direction, and the preparation channel (101) is connected to the rear end of the feeding opening (100); the feeding assembly (50) is used to clamp the workpiece in the preparation channel (101) and drive the workpiece forward to the feeding opening (100).

9. A circulating baking device for baking network transformers according to claim 1, characterized in that, The feeding assembly (50) includes a slide rail (510), a moving platform (520), a lifting frame (530), a limiting plate (540), a clamping module (550), a lifting module (560), and a linear drive module; the slide rail (510) is fixedly mounted on the machine base or the baking oven (10) and extends in the front-to-back direction; the moving platform (520) is movably mounted on the slide rail (510) in the front-to-back direction, and the linear drive module is used to drive the moving platform (520). The moving platform (520) moves back and forth relative to the slide rail (510); the lifting frame (530) is movable up and down relative to the moving platform (520); the lifting module (560) is used to drive the lifting frame (530) to move up and down; the limiting plate (540) is fixedly set on the lifting frame (530) and is used to fit and position with the upper surface of the workpiece; there are two clamping modules (550), which are located at the front and rear ends of the limiting plate (540) respectively.

10. A circulating baking device for baking network transformers according to claim 9, characterized in that, The clamping module (550) includes a telescopic element (551) fixedly disposed on the limiting plate (540) and a clamping plate (552) fixedly connected to the telescopic shaft of the telescopic element (551).

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