A transformer core patching machine

Abstract

The present disclosure relates to the technical field of transformers, and one embodiment of the present disclosure provides a rubber core patch machine of a transformer, which comprises a workbench, and square grooves are formed above both ends of the workbench. In the present disclosure, the position of the fixed plate is adjusted by the double-shaft motor of the adjusting mechanism to drive the lead screw, the linear module controls the precise lifting of the placing plate, the push plate pushes the E sheet along the material conveying groove, the position of the patch is ensured to be precise, and the loss of the E sheet is reduced; the linkage of the disc and the circular block in the material conveying mechanism makes the push plate reciprocatingly push stably, the vertical groove and the directional plate of the blanking mechanism are combined to realize the orderly feeding of the E sheet, manual intervention is reduced, and the patch efficiency is improved; the servo motor drives the material conveying mechanism to work continuously, the circulating reset function of the adjusting mechanism is combined, batch rubber core automatic patching is realized, and the production efficiency and the patch quality are greatly improved; through the above technical solution, the technical problem of patch position deviation caused by unstable E sheet pushing distance in the related art is solved.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the field of transformer technology, and more specifically, to a transformer core patching machine. Background Technology

[0002] In the transformer manufacturing industry, core patching is a crucial step in ensuring product performance and quality. Previously, traditional transformer core patching relied heavily on manual operation. Workers had to hold the patch, align it with the corresponding position on the core, and insert it—a tedious and inefficient process. Statistics show that even a skilled worker at full capacity can only complete 100-150 core patches per day. Furthermore, manual operation is susceptible to fatigue and emotional factors, making it difficult to guarantee highly accurate patch placement. Data shows that manual patch placement can have a deviation of ±2mm, causing fluctuations in product performance and a scrap rate as high as 8%-12%.

[0003] Some companies have attempted to introduce simple mechanical auxiliary equipment. While this equipment can achieve basic E-sheet pushing, it suffers from significant deficiencies in component coordination and automation. For example, its material handling mechanism frequently jams, causing uneven E-sheet pushing, frequent interruptions to the replacement process, and severely impacting production rhythm. The unloading mechanism also lacks effective control over the arrangement and orientation of the E-sheets, resulting in disordered E-sheet orientation during transport and inability to be properly inserted into the core. Equipment failure rates are as high as 30%-40%, severely restricting the improvement of production efficiency and the stability of product quality. Furthermore, traditional equipment has extremely poor adaptability to different core sizes. When product models or core sizes change, companies often need to invest significant time and manpower in modifying and debugging the equipment, typically taking 2-3 days per setup. This greatly increases production costs, delays product delivery cycles, and makes it difficult to adapt to rapidly changing market demands. Therefore, improvements are necessary. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a core patching machine for transformers, which solves the technical problem of patch position deviation caused by unstable E-piece pushing distance in related technologies.

[0005] According to one aspect, at least one embodiment of this disclosure provides a transformer core patching machine, including a worktable, square slots formed above both ends of the worktable, a material conveying mechanism disposed inside the square slots, a vertical slot formed above the middle of the worktable, material conveying troughs formed between the two sides of the vertical slots and the front side of the square slots, a feeding mechanism disposed above the worktable and located above the material conveying troughs, an adjusting mechanism disposed inside the vertical slots, a disc rotatably mounted on the surface of the square slots, a rectangular plate disposed above the disc, a rectangular slot formed on the surface of the rectangular plate, a circular block bolted to the top of the disc and slidably connected inside the rectangular slots, a push plate welded to the front end of the rectangular plate, and the front end of the push plate slidably connected inside the material conveying troughs.

[0006] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: the adjustment mechanism including a linear module bolted to both sides of a vertical slot, a movable block provided on the inner side of the linear module, a placement plate bolted between the inner sides of the two movable blocks, a dual-axis motor bolted to the bottom of the placement plate, lead screws bolted to both ends of the dual-axis motor, and a fixing plate threaded onto the outer side of the lead screws.

[0007] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: the feeding mechanism including a platform bolted to a workbench, the top of the platform having a vertical groove, and an orientation plate welded inside the vertical groove.

[0008] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: a limiting groove being formed inside the square groove; a limiting T-shaped plate being welded to the right end of the rectangular plate; and the bottom end of the limiting T-shaped plate being slidably connected inside the limiting groove.

[0009] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: a limiting rod welded inside the limiting groove; the bottom end of the limiting T-shaped plate slidably sleeved on the outside of the limiting rod; and a telescopic spring elastically installed between the two sides of the limiting groove and the two sides of the bottom end of the limiting T-shaped plate, the telescopic spring being movably sleeved on the outside of the limiting rod.

[0010] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: the width of the fixed plate is equal to the width of the vertical groove, and when the movable block moves to the bottom of the linear module, the height of the top horizontal plane of the fixed plate is less than the height of the horizontal plane below the material conveying trough.

[0011] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: a servo motor located below a square slot is bolted to the inside of the worktable, and the output end of the servo motor is bolted to the bottom of a disc.

[0012] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: the diameter of the circular block is adapted to the width of the rectangular groove, and when the circular block slides in the rectangular groove, the reciprocating stroke of the rectangular plate is equal to the diameter length of the disc, ensuring that the distance at which the pusher pushes the E-piece is accurately controllable.

[0013] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: the directional plates are symmetrically distributed on both sides inside the vertical slot, and the spacing between the directional plates is consistent with the width of the E-piece.

[0014] According to another aspect, at least one embodiment of this disclosure also provides a core patching machine for a transformer, comprising: buffer pads provided at the connection points between the two ends of the placement plate and the movable block, the buffer pads being made of rubber and having a thickness of 2-5mm.

[0015] The beneficial effects of the embodiments disclosed herein are as follows: In this disclosure, the dual-axis motor of the adjustment mechanism drives the lead screw to adjust the position of the fixed plate, and the linear module controls the precise lifting and lowering of the placement plate. Together with the push plate, it pushes the E-piece along the conveying chute, ensuring accurate patch placement and reducing E-piece loss. The linkage between the disc and the block in the conveying mechanism makes the push plate reciprocate stably. Combined with the vertical chute and the directional plate of the unloading mechanism, it realizes orderly feeding of E-pieces, reduces manual intervention, and improves patching efficiency. The servo motor drives the conveying mechanism to operate continuously. With the cyclic reset function of the adjustment mechanism, it realizes automatic patching of batch cores, which greatly improves production efficiency and patching quality. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the workbench of this utility model; Figure 3 for Figure 2 A magnified schematic diagram of the local structure at point A; Figure 4 This is a schematic diagram of the feeding mechanism of this utility model; Figure 5 This is a schematic diagram of the adjustment mechanism of this utility model; Figure 6 This is a vertical cross-sectional view of the present invention.

[0018] In the diagram: 1. Workbench; 2. Square channel; 3. Material conveying mechanism; 31. Disc; 32. Circular block; 33. Rectangular plate; 34. Rectangular channel; 35. Push plate; 36. Limiting T-shaped plate; 37. Limiting groove; 38. Limiting rod; 39. Telescopic spring; 4. Unloading mechanism; 41. Platform; 42. Vertical channel; 43. Orientation plate; 5. Adjustment mechanism; 51. Linear module; 52. Movable block; 53. Placement plate; 54. Dual-axis motor; 55. Lead screw; 56. Fixed plate; 6. Vertical channel; 7. Material conveying channel; 8. Servo motor. Detailed Implementation

[0019] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0020] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0021] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0022] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0023] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to 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 limitations on this disclosure.

[0024] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] like Figures 1-6 As shown, a transformer core patching machine according to an embodiment of the present disclosure is illustrated, including a workbench 1, square grooves 2 are provided above both ends of the workbench 1, a material conveying mechanism 3 is provided inside the square grooves 2, a vertical groove 6 is provided above the middle of the workbench 1, a material conveying trough 7 is provided between the two sides of the vertical groove 6 and the front side of the square groove 2, a feeding mechanism 4 is provided above the workbench 1 and located above the material conveying trough 7, an adjusting mechanism 5 is provided inside the vertical groove 6, a disc 31 is rotatably mounted on the surface of the square groove 2, a rectangular plate 33 is provided above the disc 31, a rectangular groove 34 is provided on the surface of the rectangular plate 33, a circular block 32 is bolted above the disc 31 and slidably connected inside the rectangular groove 34, a push plate 35 is welded to the front end of the rectangular plate 33 and the front end of the push plate 35 is slidably connected inside the material conveying trough 7.

[0026] After starting the equipment, adjust the placement position of the glue core using the adjusting mechanism 5; start the dual-axis motor 54 to drive the lead screw 55 to rotate, causing the fixing plate 56 to move laterally along the vertical groove 6 until it matches the size of the glue core to be replaced; operate the linear module 51 to control the movable block 52 to drive the placement plate 53 to move up and down, preparing for the subsequent receiving of E-pieces and glue cores; place the E-piece into the vertical groove 42 of the feeding mechanism 4, and under its own gravity, the E-piece is neatly arranged along the orientation plate 43, which ensures that the E-pieces are in a uniform direction to be pushed; at the same time, place the glue core of the E-piece to be replaced at the entrance of the conveying trough 7, so that it corresponds to the pushing path of the E-piece; start the servo motor 8 to drive the disc 31 in the conveying mechanism 3 to rotate, and the circular block 32 above the disc 31 slides along the rectangular groove 34 on the surface of the rectangular plate 33, pushing the rectangular plate 33 to move back and forth, for the E-piece to be replaced. The push plate 35 at the front end of the rectangular plate 33 moves forward with the rectangular plate 33, extending into the bottom of the vertical groove 42 and pushing the lowest E piece out of the vertical groove 42. It is then pushed along the conveying chute 7 to the E piece insertion position on the transformer core, completing one E piece insertion and replacement action. After one E piece replacement is completed, the push plate 35 resets under the drive of the conveying mechanism 3, ready to push the next E piece. Simultaneously, the linear module 51 starts, driving the movable block 52 and the placement plate 53 downwards a certain distance, so that the next E piece replacement position on the core corresponds to the outlet of the conveying chute 7 where E pieces are pushed, facilitating the next E piece replacement. The push plate 35 continues to push E pieces from the vertical groove 42, while the placement plate 53 moves downwards continuously according to the E piece replacement progress, realizing the sequential upward E piece replacement operation on the transformer core. When all E piece replacement positions on the transformer core have been completed, the adjusting mechanism 5 drives the placement plate 53 back to its initial height, removing the E piece. The completed core is sent out; the material conveying mechanism 3 continues to work, pushing the new core to be replaced to the replacement station, and starting the replacement cycle of the next core.

[0027] In some examples, the position of the fixed plate 56 is adjusted by the dual-axis motor 54 of the adjusting mechanism 5 driving the lead screw 55, and the linear module 51 controls the precise lifting and lowering of the placement plate 53. Together with the push plate 35, the E-piece is pushed along the conveying chute 7 to ensure accurate patching position and reduce E-piece loss. The linkage between the disc 31 and the block 32 in the conveying mechanism 3 makes the push plate 35 push back and forth stably. Combined with the vertical groove 42 and the orientation plate 43 of the unloading mechanism 4, the E-piece is fed in an orderly manner, reducing manual intervention and improving patching efficiency. The servo motor 8 drives the conveying mechanism 3 to operate continuously. Together with the cyclic reset function of the adjusting mechanism 5, batch automatic patching of glue cores is realized, which greatly improves production efficiency and patching quality.

[0028] like Figures 1-6As shown, a core patching machine for a transformer is illustrated in another embodiment of this disclosure. The adjusting mechanism 5 includes a linear module 51 bolted to both sides of a vertical slot 6. A movable block 52 is provided on the inner side of the linear module 51. A placement plate 53 is bolted between the inner sides of the movable blocks 52 at both ends. A dual-axis motor 54 is bolted to the bottom of the placement plate 53. A lead screw 55 is bolted to both ends of the dual-axis motor 54. A fixing plate 56 is threaded onto the outer side of the lead screw 55.

[0029] In some examples, this structure ensures a secure connection between the components of the adjustment mechanism 5, and the linear module 51 is bolted to the vertical slot 6 for easy disassembly and maintenance. The dual-axis motor 54 drives the lead screw 55 to rotate, adjusting the position of the fixing plate 56 to accommodate different glue cores. The placement plate 53 supports the glue cores, improving the flexibility and stability of the patch.

[0030] like Figures 1-6 As shown, it illustrates a transformer core patching machine in another embodiment of the present disclosure. The feeding mechanism 4 includes a platform 41 bolted to the top of the workbench 1. A vertical groove 42 is provided at the top of the platform 41, and an orientation plate 43 is welded inside the vertical groove 42.

[0031] In some examples, the bolted connection of the feeding mechanism 4 facilitates the installation and disassembly of the platform 41, the vertical groove 42 provides a space for the E-piece, and the welding and fixing of the orientation plate 43 can accurately guide the direction of the E-piece, ensuring orderly feeding, reducing jamming, and improving the efficiency of patching.

[0032] like Figures 1-6 As shown, it illustrates a core patching machine for a transformer in another embodiment of the present disclosure. A limiting groove 37 is provided inside the square groove 2, and a limiting T-shaped plate 36 is welded to the right end of the rectangular plate 33. The bottom end of the limiting T-shaped plate 36 is slidably connected inside the limiting groove 37.

[0033] In some examples, the sliding engagement between the limiting groove 37 and the limiting T-shaped plate 36 restricts the movement trajectory of the rectangular plate 33, preventing it from deviating, allowing the pusher plate 35 to push the E piece more smoothly, ensuring the accurate position of the patch, and reducing the probability of failure.

[0034] like Figures 1-6 As shown, a core patching machine for a transformer is provided in another embodiment of this disclosure. A limiting rod 38 is welded inside the limiting groove 37. The bottom end of the limiting T-shaped plate 36 is slidably sleeved on the outside of the limiting rod 38. A telescopic spring 39 is elastically installed between the two sides of the limiting groove 37 and the two sides of the bottom end of the limiting T-shaped plate 36. The telescopic spring 39 is movably sleeved on the outside of the limiting rod 38.

[0035] In some examples, the limit rod 38 limits the limit T-shaped plate 36, and the telescopic spring 39 provides elastic buffering, reducing the impact of the reciprocating motion of the rectangular plate 33, reducing component wear, extending the service life of the material conveying mechanism 3, ensuring stable pushing force, and improving equipment reliability.

[0036] like Figures 1-6 As shown, it illustrates a core patching machine for a transformer in another embodiment of this disclosure. The width of the fixed plate 56 is equal to the width of the vertical groove 6. When the movable block 52 moves to the bottom of the linear module 51, the height of the top horizontal plane of the fixed plate 56 is less than the height of the horizontal plane below the material conveying trough 7.

[0037] In some examples, the width of the fixed plate 56 is adapted to the vertical groove 6 to stably limit the position of the glue core. When the movable block 52 is at its lowest point, the height of the fixed plate 56 is reasonable, avoiding obstruction of the E-piece conveying, ensuring a smooth patching process, and improving operational efficiency.

[0038] like Figures 1-6 As shown, a transformer core patching machine is provided in another embodiment of this disclosure. A servo motor 8 located below a square slot 2 is bolted inside the worktable 1, and the output end of the servo motor 8 is bolted to the bottom of a disc 31.

[0039] In some examples, the servo motor 8 is firmly bolted to the worktable 1 and the disc 31, providing stable power to the disc 31, ensuring the stable operation of the material conveying mechanism 3, making the pusher plate 35 push the E piece at a uniform rhythm, and improving the efficiency and consistency of the patching.

[0040] like Figures 1-6 As shown, it illustrates a core patching machine for a transformer in another embodiment of this disclosure. The diameter of the round block 32 is adapted to the width of the rectangular groove 34. When the round block 32 slides in the rectangular groove 34, the reciprocating stroke of the rectangular plate 33 is equal to the diameter of the disc 31, ensuring that the distance at which the pusher plate 35 pushes the E piece is accurately controllable.

[0041] In some examples, the circular block 32 is adapted to the rectangular slot 34, and the travel of the rectangular plate 33 is controllable, allowing the pusher plate 35 to push the E piece at a precise distance, avoiding the deviation of the patch due to pushing too close or too far, greatly improving the patch accuracy and reducing the scrap rate.

[0042] like Figures 1-6 As shown, it illustrates a core patching machine for a transformer in another embodiment of the present disclosure, wherein directional plates 43 are symmetrically distributed on both sides inside the vertical slot 42, and the spacing between the directional plates 43 is consistent with the width of the E-piece.

[0043] In some examples, the orientation plates 43 are symmetrically distributed and the spacing is adapted to the width of the E-piece, which can accurately guide the direction of the E-piece, prevent it from tilting in the vertical groove 42, ensure that the E-piece slides smoothly and accurately connects with the glue core, and reduce feeding failures.

[0044] like Figures 1-6 As shown, a core patching machine for a transformer is provided in another embodiment of this disclosure. Buffer pads are provided at the connection points between the two ends of the placement plate 53 and the movable block 52. The buffer pads are made of rubber and have a thickness of 2-5 mm.

[0045] In some examples, the rubber buffer pad at the connection between the placement plate 53 and the movable block 52 can reduce the impact of collisions during lifting, reduce component wear, reduce equipment noise, extend the service life of the adjustment mechanism 5, and ensure stable operation.

[0046] Working principle and usage process of this utility model: After starting the equipment, adjust the placement position of the glue core using the adjusting mechanism 5; start the dual-axis motor 54 to drive the lead screw 55 to rotate, causing the fixing plate 56 to move laterally along the vertical groove 6 until it matches the size of the glue core to be replaced; operate the linear module 51 to control the movable block 52 to drive the placement plate 53 to move up and down, preparing for the subsequent receiving of E-pieces and glue cores; place the E-piece into the vertical groove 42 of the feeding mechanism 4, and under its own gravity, the E-piece is neatly arranged along the orientation plate 43, which ensures that the E-pieces are in a uniform direction to be pushed; at the same time, place the glue core of the E-piece to be replaced at the entrance of the conveying trough 7, so that it corresponds to the pushing path of the E-piece; start the servo motor 8 to drive the disc 31 in the conveying mechanism 3 to rotate, and the circular block 32 above the disc 31 slides along the rectangular groove 34 on the surface of the rectangular plate 33, pushing the rectangular plate 33 to move back and forth, for the E-piece to be replaced. The push plate 35 at the front end of the rectangular plate 33 moves forward with the rectangular plate 33, extending into the bottom of the vertical groove 42 and pushing the lowest E piece out of the vertical groove 42. It is then pushed along the conveying chute 7 to the E piece insertion position on the transformer core, completing one E piece insertion and replacement action. After one E piece replacement is completed, the push plate 35 resets under the drive of the conveying mechanism 3, ready to push the next E piece. Simultaneously, the linear module 51 starts, driving the movable block 52 and the placement plate 53 downwards a certain distance, so that the next E piece replacement position on the core corresponds to the outlet of the conveying chute 7 where E pieces are pushed, facilitating the next E piece replacement. The push plate 35 continues to push E pieces from the vertical groove 42, while the placement plate 53 moves downwards continuously according to the E piece replacement progress, realizing the sequential upward E piece replacement operation on the transformer core. When all E piece replacement positions on the transformer core have been completed, the adjusting mechanism 5 drives the placement plate 53 back to its initial height, removing the E piece. The completed core is sent out; the material conveying mechanism 3 continues to work, pushing the new core to be replaced to the replacement station, and starting the replacement cycle of the next core.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A transformer core patching machine, comprising a worktable (1), characterized in that: Square grooves (2) are provided above both ends of the workbench (1). A material conveying mechanism (3) is provided inside the square grooves (2). A vertical groove (6) is provided above the middle of the workbench (1). A material conveying trough (7) is provided between the two sides of the vertical groove (6) and the front side of the square groove (2). A feeding mechanism (4) is provided above the material conveying trough (7) above the workbench (1). An adjustment mechanism (5) is provided inside the vertical groove (6). A disc (31) is rotatably mounted on the surface of the square groove (2). A rectangular plate (33) is provided above the disc (31). A rectangular groove (34) is provided on the surface of the rectangular plate (33). A round block (32) is bolted above the disc (31) and slidably connected inside the rectangular groove (34). A push plate (35) is welded to the front end of the rectangular plate (33). The front end of the push plate (35) is slidably connected inside the material conveying trough (7).

2. The transformer core patching machine according to claim 1, characterized in that: The adjustment mechanism (5) includes a linear module (51) bolted to both sides of the vertical groove (6). A movable block (52) is provided on the inner side of the linear module (51). A placement plate (53) is bolted between the inner sides of the movable blocks (52) at both ends. A dual-axis motor (54) is bolted to the bottom of the placement plate (53). A lead screw (55) is bolted to both ends of the dual-axis motor (54). A fixing plate (56) is threaded onto the outer side of the lead screw (55).

3. The transformer core patching machine according to claim 1, characterized in that: The feeding mechanism (4) includes a platform (41) bolted on top of the workbench (1), and a vertical groove (42) is provided at the top of the platform (41). An directional plate (43) is welded inside the vertical groove (42).

4. The transformer core patching machine according to claim 1, characterized in that: A limiting groove (37) is provided inside the square groove (2), and a limiting T-shaped plate (36) is welded to the right end of the rectangular plate (33). The bottom end of the limiting T-shaped plate (36) is slidably connected to the inside of the limiting groove (37).

5. A transformer core patching machine according to claim 4, characterized in that: The limiting groove (37) is welded with a limiting rod (38) inside. The bottom end of the limiting T-plate (36) is slidably sleeved on the outside of the limiting rod (38). A telescopic spring (39) is elastically installed between the two sides of the limiting groove (37) and the two sides of the bottom end of the limiting T-plate (36). The telescopic spring (39) is movably sleeved on the outside of the limiting rod (38).

6. A transformer core patching machine according to claim 2, characterized in that: The width of the fixed plate (56) is equal to the width of the vertical groove (6). When the movable block (52) moves to the bottom of the straight module (51), the top horizontal plane height of the fixed plate (56) is less than the horizontal plane height of the lower side of the conveying trough (7).

7. A transformer core patching machine according to claim 1, characterized in that: The workbench (1) is bolted with a servo motor (8) located below the square groove (2), and the output end of the servo motor (8) is bolted to the bottom of the disc (31).

8. A transformer core patching machine according to claim 1, characterized in that: The diameter of the circular block (32) is matched with the width of the rectangular groove (34). When the circular block (32) slides in the rectangular groove (34), the reciprocating stroke of the rectangular plate (33) is equal to the diameter of the disk (31), ensuring that the distance of the push plate (35) pushing the E piece is precise and controllable.

9. A transformer core patching machine according to claim 3, characterized in that: The orientation plates (43) are symmetrically distributed on both sides inside the vertical groove (42), and the spacing between the orientation plates (43) is consistent with the width of the E piece.

10. A transformer core patching machine according to claim 2, characterized in that: The two ends of the placement plate (53) are provided with buffer pads at the connection points with the movable block (52). The buffer pads are made of rubber and have a thickness of 2-5mm.

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