U-shaped iron core bending mechanism

Abstract

The utility model relates to the technical field of U-shaped iron core machining, in particular to a U-shaped iron core bending mechanism which comprises a base, an L-shaped installation base is fixedly installed on the side wall of the top of the base, a hydraulic cylinder is fixedly installed on the top of the L-shaped installation base, a U-shaped bending block is fixedly installed at the output end of the hydraulic cylinder, a sliding groove is formed in the bottom face of the U-shaped bending block, and a U-shaped iron core is arranged in the sliding groove. Through the arrangement of the positioning device, the U-shaped bending block drives the toothed bar to move downwards, and the toothed bar is meshed with the large fluted disc, so that the large fluted disc drives the rotating rod I to rotate anticlockwise on the inner wall of the rotating block I, the rotating rod I drives the positioning plate to rotate downwards, the positioning plate drives the base plate to rotate downwards, and meanwhile, the U-shaped bending block is in contact with the top of the iron core main body; according to the iron core bending device, the iron core body is bent, the stability and precision of the iron core body in the bending process are guaranteed through the arrangement of the positioning plate, and therefore the product quality and the production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to U type iron core processing technical field, concretely is a kind of U type iron core bending mechanism. BACKGROUND

[0002] With the development of science and technology, market gradually tends to adopt integrated multifunctional automatic equipment, such as the equipment integrating feeding, cutting, bending and the like, to reduce manual operation steps and improve production efficiency, and the demand for U type iron core bending mechanism on the market at present mainly focuses on improving processing efficiency and automation degree, especially in transformer and power industry, and the demand for efficient and accurate processing equipment is particularly urgent.

[0003] Prior art such as publication number "CN205407526U" discloses a novel motor core bending machine, which relates to motor equipment technical field, and particularly relates to a novel motor core bending machine.The novel motor core bending machine includes support leg, operation table, cylinder, cylinder top rod, fixed pressure column and guide groove, the operation table is fixed on support leg, the cylinder and fixed pressure column are fixed on operation table.The use of the novel motor core bending machine disclosed by the patent can greatly improve the bending efficiency of the core, improve production capacity, reduce the labor intensity of workers, reduce costs, and also can timely find the defective products generated in production.In addition, the bending machine is easy to operate, has small floor area and is convenient to maintain

[0004] However, the current novel motor core bending machine has the following problems: the bending machine lacks fixing of motor core, which can cause displacement or deformation of motor core during processing, affecting the precision and quality of products, and in view of this, a U type iron core bending mechanism is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a U type iron core bending mechanism, which solves the above problems.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A U type iron core bending mechanism, comprising a base, an L-shaped mounting seat is fixedly installed on the top side wall of the base, a hydraulic cylinder is fixedly installed on the top of the L-shaped mounting seat, a U-shaped bending block is fixedly installed on the output end of the hydraulic cylinder, a sliding groove is formed in the bottom surface of the U-shaped bending block, a placing table is fixedly installed on the top of the base, an iron core body is arranged on the top of the placing table, a positioning device for positioning is arranged on the top of the base, and a pressing device for preventing the iron core body from being warped is arranged on the top of the placing table.

[0008] Preferably, the positioning device comprises a positioning frame, a rotating block I, a rotating rod I, a positioning plate, a backing plate, a large gear plate and a gear rod, the positioning frame is installed on the top of the base near the left side of the placing table, the rotating block I is installed on the inner wall of the positioning frame, the rotating rod I is installed through and rotates on the inner wall of the rotating block I, the positioning plate is installed on the outer wall of the rotating rod I, the backing plate is fixedly installed on the outer wall of the positioning plate near the placing table, the large gear plate is fixedly installed on the outer wall of the rotating rod I at both ends, and the gear rod is installed on the side wall of the U-shaped bending block near the positioning frame.

[0009] Preferably, the positioning frame is fixedly connected with the top of the base near the left side of the placing table, the rotating block I is fixedly connected with the inner wall of the positioning frame, the positioning plate is fixedly connected with the outer wall of the rotating rod I, the outer wall of the gear rod is provided with a gear block, the gear block of the gear rod is located on the movement track of the large gear plate, and the gear block of the gear rod is engaged with the outer wall of the large gear plate.

[0010] Preferably, the pressing device comprises a rotating block II, a rotating rod II, a bending prevention plate, a connecting block, a pressing plate, a rotating block III, a fixed lock and a fixed clasp, the rotating block II is installed on the top of the placing table, the rotating rod II is fixedly installed on the inner wall of the rotating block II, the bending prevention plate is rotatably installed on the outer wall of the rotating rod II, the connecting block is installed through and slides on the bottom of the bending prevention plate, the pressing plate is installed on the bottom of the connecting block, the rotating block III is installed on the side wall of the bending prevention plate away from the rotating block II, the fixed lock is rotatably installed on the inner wall of the rotating block III, and the fixed clasp is fixedly installed on the side wall of the placing table away from the bending prevention plate.

[0011] Preferably, the rotating block II is fixedly connected with the top of the placing table, the bending prevention plate is in contact with the top surface of the iron core body, the pressing plate is fixedly connected with the bottom of the connecting block and is in contact with the top surface of the iron core body, the rotating block III is fixedly connected with the side wall of the bending prevention plate away from the rotating block II, and the fixed clasp is located on the movement track of the fixed lock.

[0012] Preferably, the pressing device further comprises a connecting plate, a spring, a fixed plate, a resisting block and a triangular block, the connecting plate is installed on the top of the connecting block, the spring is arranged between the connecting plate and the pressing plate, the fixed plate is installed on the top of the connecting plate, the resisting block is fixedly installed on the opposite outer walls of the fixed plate, and the triangular block is fixedly installed in the sliding groove of the U-shaped bending block.

[0013] Preferably, the connecting plate is fixedly connected with the top of the connecting block, the fixed plate is fixedly connected with the top of the connecting plate, the resisting block is elastically arranged, the number of the resisting blocks is several, the resisting blocks are triangularly arranged, and the triangular block is located on the movement track of the several resisting blocks.

[0014] By the above technical scheme, the U-shaped iron core bending mechanism is provided, and at least has the following beneficial effects:

[0015] (1), the utility model discloses a setting through the positioning device, iron core main body is inserted between the positioning plate and the positioning frame, simultaneously, iron core main body is placed at the top of the placing table, and iron core main body will pad at the top of the backing plate, starts the hydraulic cylinder, and the output end of the hydraulic cylinder drives U-shaped bending block to move downwards, and U-shaped bending block drives toothed rod to move downwards, and toothed rod is engaged with the gear plate, makes the gear plate drive the rotation rod one to rotate counterclockwise in the inner wall of the rotation block one, and the rotation rod one drives the positioning plate to rotate downwards, and the positioning plate drives the backing plate to rotate downwards, simultaneously, U-shaped bending block contacts the top of iron core main body, and the bending treatment is handled to iron core main body, and the setting through the positioning plate ensures the stability and precision of iron core main body when bending treatment, thereby improve product quality and production efficiency.

[0016] (2), the utility model discloses the setting through the down-pressing device, and the anti-bending plate is rotated, and the anti-bending plate rotates counterclockwise downwards on the outer wall of the rotation rod two, and is buckled on the fixed hasp in the rotation fixed lock catch, when U-shaped bending block is bent downwards, and the anti-bending plate can press the middle of iron core main body, prevent it from and burst because uneven stress, significantly improve the structural stability and product quality of iron core main body in the bending process, ensure the machining accuracy and production efficiency, and the stress of the uplift of the middle of iron core main body is pressed downwards by the pressing plate, and the elasticity of the abutment block makes that the triangular block can continuously press downwards to multiple abutment blocks, so that the pressing plate can continuously move downwards, and reset through the spring, and the continuously pressed pressing plate ensures that iron core main body is stressed evenly in the bending process, thereby improving the forming quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the utility model and constitute a part of this application:

[0018] Figure 1 It is the front view schematic drawing of the whole structure of the utility model;

[0019] Figure 2 It is the side view schematic drawing of the whole structure of the utility model;

[0020] Figure 3 It is the sectional view schematic drawing of the positioning device in example one;

[0021] Figure 4 It is the sectional view schematic drawing of the down-pressing device in example two;

[0022] Figure 5 It is the enlarged schematic drawing of A in example two.

[0023] In the diagram: 1. Base; 11. L-shaped mounting base; 12. Hydraulic cylinder; 13. U-shaped bending block; 14. Placement platform; 15. Iron core body; 2. Positioning device; 21. Positioning frame; 22. Rotating block one; 23. Rotating rod one; 24. Positioning plate; 25. Pad plate; 26. Large gear plate; 27. Gear; 3. Pressing device; 31. Rotating block two; 32. Rotating rod two; 33. Anti-bending plate; 34. Connecting block; 35. Pressure plate; 36. Rotating block three; 37. Fixing latch; 38. Fixing buckle; 39. Connecting plate; 310. Spring; 311. Fixing plate; 312. Abutting block; 313. Triangular block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] A U-shaped iron core bending mechanism, such as Figures 1-3 As shown, the system includes a base 1, an L-shaped mounting base 11 fixedly installed on the top side wall of the base 1, a hydraulic cylinder 12 fixedly installed on the top of the L-shaped mounting base 11, a U-shaped bending block 13 fixedly installed on the output end of the hydraulic cylinder 12, a sliding groove opened on the bottom surface of the U-shaped bending block 13, a placement platform 14 fixedly installed on the top of the base 1, an iron core body 15 set on the top of the placement platform 14, a positioning device 2 for easy positioning on the top of the base 1, and a pressing device 3 to prevent the iron core body 15 from warping and cracking on the top of the placement platform 14.

[0027] The positioning device 2 comprises a positioning frame 21, a rotating block one 22, a rotating rod one 23, a positioning plate 24, a backing plate 25, a large gear disc 26 and a gear rod 27, the positioning frame 21 is installed on the top of the base 1 near the left side of the placing table 14, the positioning frame 21 is fixedly connected with the top of the base 1 near the left side of the placing table 14, the rotating block one 22 is installed on the inner wall of the positioning frame 21, the rotating block one 22 is fixedly connected with the inner wall of the positioning frame 21, the rotating rod one 23 is rotatably installed on the inner wall of the rotating block one 22, the positioning plate 24 is installed on the outer wall of the rotating rod one 23, the positioning plate 24 is fixedly connected with the outer wall of the rotating rod one 23, the backing plate 25 is fixedly installed on the outer wall of the positioning plate 24 near the placing table 14, the large gear disc 26 is fixedly installed on the outer walls of the two ends of the rotating rod one 23, the gear rod 27 is installed on the side wall of the U-shaped bending block 13 near the positioning frame 21, the outer wall of the gear rod 27 is provided with a gear block, the gear block of the gear rod 27 is located on the movement track of the large gear disc 26, and the gear block of the gear rod 27 is meshed with the outer wall of the large gear disc 26, the core body 15 is inserted between the positioning plate 24 and the positioning frame 21, at the same time, the core body 15 is placed on the top of the placing table 14, the core body 15 is supported on the top of the backing plate 25, the hydraulic cylinder 12 is started, the output end of the hydraulic cylinder 12 drives the U-shaped bending block 13 to move downwards, the U-shaped bending block 13 drives the gear rod 27 to move downwards, the gear rod 27 is meshed with the large gear disc 26, so that the large gear disc 26 drives the rotating rod one 23 to rotate counterclockwise on the inner wall of the rotating block one 22, the rotating rod one 23 drives the positioning plate 24 to rotate downwards, the positioning plate 24 drives the backing plate 25 to rotate downwards, at the same time, the U-shaped bending block 13 contacts the top of the core body 15, and the core body 15 is bent, through the setting of the positioning plate 24, the stability and precision of the core body 15 during the bending process are ensured, and therefore the product quality and the production efficiency are improved.

[0028] The U-shaped core bending mechanism of the utility model in use, the core body 15 is inserted between the positioning plate 24 and the positioning frame 21, at the same time, the core body 15 is placed on the top of the placing table 14, the core body 15 is supported on the top of the backing plate 25, the hydraulic cylinder 12 is started, the output end of the hydraulic cylinder 12 drives the U-shaped bending block 13 to move downwards, the U-shaped bending block 13 drives the gear rod 27 to move downwards, the gear rod 27 is meshed with the large gear disc 26, so that the large gear disc 26 drives the rotating rod one 23 to rotate counterclockwise on the inner wall of the rotating block one 22, the rotating rod one 23 drives the positioning plate 24 to rotate downwards, the positioning plate 24 drives the backing plate 25 to rotate downwards, at the same time, the U-shaped bending block 13 contacts the top of the core body 15, and the core body 15 is bent, through the setting of the positioning plate 24, the stability and precision of the core body 15 during the bending process are ensured, and therefore the product quality and the production efficiency are improved.

[0029] Embodiment 2

[0030] As Figures 4-5As shown, the pressing device 3 comprises a rotating block two 31, a rotating rod two 32, an anti-bending plate 33, a connecting block 34, a pressing plate 35, a rotating block three 36, a fixed lock 37 and a fixed buckle 38, the rotating block two 31 is installed on the top of the placing table 14, the rotating block two 31 is fixedly connected with the top of the placing table 14, the rotating rod two 32 is fixedly installed on the inner wall of the rotating block two 31, the anti-bending plate 33 is rotatably installed on the outer wall of the rotating rod two 32, the anti-bending plate 33 is in contact with the top surface of the core body 15, the connecting block 34 penetrates and is slidably installed on the bottom of the anti-bending plate 33, the pressing plate 35 is installed on the bottom of the connecting block 34, the pressing plate 35 is fixedly connected with the bottom of the connecting block 34, and the pressing plate 35 is in contact with the top surface of the core body 15, the rotating block three 36 is installed on the side wall of the anti-bending plate 33 away from the rotating block two 31, the rotating block three 36 is fixedly connected with the side wall of the anti-bending plate 33 away from the rotating block two 31, the fixed lock 37 is rotatably installed on the inner wall of the rotating block three 36, the fixed buckle 38 is fixedly installed on the side wall of the placing table 14 away from the anti-bending plate 33, and the fixed buckle 38 is located on the movement track of the fixed lock 37, when the U-shaped bending block 13 bends the core body 15, the two ends of the core body 15 will be pressed downward by the U-shaped bending block 13, the core body 15 forms two levers through the edges of the placing table 14, so that the middle of the core body 15 is bulged and bursts due to stress, therefore, after the core body 15 is placed on the placing table 14, the anti-bending plate 33 is rotated, the anti-bending plate 33 rotates counterclockwise downward on the outer wall of the rotating rod two 32, the fixed lock 37 is rotated and buckled on the fixed buckle 38, and when the U-shaped bending block 13 is bent downward, the anti-bending plate 33 can press the middle of the core body 15 to prevent it from being bulged and burst due to uneven stress, which significantly improves the structural stability and product quality of the core body 15 in the bending process, and ensures the machining precision and production efficiency.

[0031] The down-pressing device 3 further comprises a connecting plate 39, a spring 310, a fixing plate 311, abutting blocks 312 and a triangular block 313, the connecting plate 39 is installed on the top of the connecting block 34 and is fixedly connected with the top of the connecting block 34, the spring 310 is arranged between the connecting plate 39 and the pressing plate 35, the fixing plate 311 is installed on the top of the connecting plate 39 and is fixedly connected with the top of the connecting plate 39, the abutting blocks 312 are fixedly installed on the opposite outer walls of the fixing plate 311, the abutting blocks 312 are elastically arranged, the number of the abutting blocks 312 is several, and the abutting blocks 312 are triangularly arranged, the triangular block 313 is fixedly installed in the inner wall of the sliding groove of the U-shaped bending block 13 and is located on the movement track of the abutting blocks 312, when the U-shaped bending block 13 moves downward, the U-shaped bending block 13 drives the triangular block 313 to move downward, the triangular block 313 abuts against the abutting blocks 312 on the fixing plate 311, so that the abutting blocks 312 drive the fixing plate 311 to move downward, the fixing plate 311 drives the connecting plate 39 to move downward, the connecting plate 39 drives the connecting block 34 to move downward, the connecting block 34 drives the pressing plate 35 to move downward, the pressing plate 35 presses the bulge in the middle of the iron core main body 15 downward, the elastic arrangement of the abutting blocks 312 enables the triangular block 313 to continuously press the abutting blocks 312 downward, so that the pressing plate 35 can continuously move downward, and then is reset by the spring 310, the continuously downward-pressed pressing plate 35 ensures that the iron core main body 15 is uniformly stressed during the bending process, thereby improving the forming quality.

[0032] The U-shaped iron core bending mechanism of the utility model in use, when the U-shaped bending block 13 is bent to the iron core main body 15, the two ends of the iron core main body 15 will be pressed downward by the U-shaped bending block 13, the iron core main body 15 forms two levers through the edge of the placing table 14, so that the middle of the iron core main body 15 is bulged, and is broken under the influence of stress, therefore, after the iron core main body 15 is placed on the placing table 14, the anti-bulging plate 33 is rotated, the anti-bulging plate 33 is counterclockwise downward on the outer wall of the rotating rod two 32, and is buckled on the fixed hasp 38 through the rotating fixed lock 37, when the U-shaped bending block 13 is bent downward, the anti-bulging plate 33 can press the middle of the iron core main body 15, prevent it from bulging and breaking due to uneven stress, significantly improve the structural stability and product quality of the iron core main body 15 during the bending process, and ensure the machining precision and production efficiency.

[0033] When the U-shaped bending block 13 moves downward, the U-shaped bending block 13 drives the triangular block 313 to move downward, the triangular block 313 abuts against the abutting block 312 on the fixed plate 311, so that the abutting block 312 drives the fixed plate 311 to move downward, the fixed plate 311 drives the connecting plate 39 to move downward, the connecting plate 39 drives the connecting block 34 to move downward, the connecting block 34 drives the pressing plate 35 to move downward, the pressing plate 35 downwardly presses the stress of the protrusion in the middle of the iron core main body 15, the elastic arrangement of the abutting block 312 makes the triangular block 313 continuously downwardly press the multiple abutting blocks 312, so that the pressing plate 35 can continuously move downward, and then reset through the spring 310, the continuously downwardly pressed pressing plate 35 ensures that the iron core main body 15 is uniformly stressed during the bending process, thereby improving the forming quality.

[0034] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A U-shaped iron core bending mechanism, comprising a base (1), characterized in that: An L-shaped mounting base (11) is fixedly installed on the top side wall of the base (1). A hydraulic cylinder (12) is fixedly installed on the top of the L-shaped mounting base (11). A U-shaped bending block (13) is fixedly installed at the output end of the hydraulic cylinder (12). A sliding groove is provided on the bottom surface of the U-shaped bending block (13). A placement platform (14) is fixedly installed on the top of the base (1). An iron core body (15) is provided on the top of the placement platform (14). A positioning device (2) is provided on the top of the base (1) for easy positioning. A pressing device (3) is provided on the top of the placement platform (14) to prevent the iron core body (15) from warping and cracking.

2. The U-shaped iron core bending mechanism according to claim 1, characterized in that: The positioning device (2) includes a positioning frame (21), a rotating block (22), a rotating rod (23), a positioning plate (24), a pad (25), a large gear plate (26), and a rack (27). The positioning frame (21) is installed on the top of the base (1) near the left side of the placement platform (14). The rotating block (22) is installed on the inner wall of the positioning frame (21). The rotating rod (23) is installed through and rotatably on the inner wall of the rotating block (22). The positioning plate (24) is installed on the outer wall of the rotating rod (23). The pad (25) is fixedly installed on the outer wall of the positioning plate (24) near the placement platform (14). The large gear plate (26) is fixedly installed on the outer walls at both ends of the rotating rod (23). The rack (27) is installed on the side wall of the U-shaped bending block (13) near the positioning frame (21).

3. The U-shaped iron core bending mechanism according to claim 2, characterized in that: The positioning frame (21) is fixedly connected to the top left side of the base (1) near the placement platform (14). The rotating block (22) is fixedly connected to the inner wall of the positioning frame (21). The positioning plate (24) is fixedly connected to the outer wall of the rotating rod (23). The outer wall of the toothed rod (27) is provided with toothed blocks, and the toothed blocks of the toothed rod (27) are located on the movement trajectory of the large gear plate (26). The toothed blocks of the toothed rod (27) mesh with the outer wall of the large gear plate (26).

4. The U-shaped iron core bending mechanism according to claim 3, characterized in that: The pressing device (3) includes a second rotating block (31), a second rotating rod (32), an anti-bending plate (33), a connecting block (34), a pressure plate (35), a third rotating block (36), a fixing buckle (37), and a fixing latch (38). The second rotating block (31) is installed on the top of the placement platform (14). The second rotating rod (32) is fixedly installed on the inner wall of the second rotating block (31). The anti-bending plate (33) is rotatably installed on the outer wall of the second rotating rod (32). The connecting block (34) is through and slidably installed on the bottom of the anti-bending plate (33). The pressure plate (35) is installed on the bottom of the connecting block (34). The third rotating block (36) is installed on the side wall of the anti-bending plate (33) away from the second rotating block (31). The fixing buckle (37) is rotatably installed on the inner wall of the third rotating block (36). The fixing latch (38) is fixedly installed on the side wall of the placement platform (14) away from the anti-bending plate (33).

5. The U-shaped iron core bending mechanism according to claim 4, characterized in that: The second rotating block (31) is fixedly connected to the top of the placement platform (14), the anti-bending plate (33) is in contact with the top surface of the iron core body (15), the pressure plate (35) is fixedly connected to the bottom of the connecting block (34), and the pressure plate (35) is in contact with the top surface of the iron core body (15). The third rotating block (36) is fixedly connected to the side wall of the anti-bending plate (33) away from the second rotating block (31), and the fixed buckle (38) is located on the movement trajectory of the fixed lock (37).

6. The U-shaped iron core bending mechanism according to claim 5, characterized in that: The pressing device (3) further includes a connecting plate (39), a spring (310), a fixing plate (311), an abutment block (312), and a triangular block (313). The connecting plate (39) is installed on the top of the connecting block (34). The spring (310) is disposed between the connecting plate (39) and the pressure plate (35). The fixing plate (311) is installed on the top of the connecting plate (39). The abutment block (312) is fixedly installed on the outer wall opposite to the fixing plate (311). The triangular block (313) is fixedly installed on the inner wall of the groove of the U-shaped bending block (13).

7. A U-shaped iron core bending mechanism according to claim 6, characterized in that: The top of the connecting plate (39) and the connecting block (34) are fixedly connected, the top of the fixing plate (311) and the connecting plate (39) are fixedly connected, the abutting block (312) is elastically set, and there are several abutting blocks (312), and the several abutting blocks (312) are triangularly set, and the triangular block (313) is located on the movement trajectory of the several abutting blocks (312).

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