A double coil forming machine

Abstract

The utility model relates to the technical field of forming machine, concretely to a double coil forming machine, including motor, the output shaft sleeve of motor has the belt, the output shaft of motor is connected with the main shaft through the belt rotation, the outer surface sleeve of main shaft has the shaping input wheel, the main shaft is connected with handle, steering gear, segmenter input wheel and speed reducer, the main shaft is rotatably connected with the intermittent ware input wheel, controller and the forming hammer eccentric wheel through the speed reducer, the inside sleeve of shaping input wheel has first connecting axle and second connecting axle. The utility model whole design is simple, practical, mute, high speed, stable operation, environmental protection, the big and small head adopts spiral shaping, shaping standard, the bending core wheel and the big and small head whole positioning wheel adopt segmenter drive, positioning is accurate, the upper die is driven with cam, and running is stable, and the wire belt shaping uses the toothed belt transmission, and positioning is accurate.

Description

Technical Field

[0001] This utility model relates to the field of molding machine technology, specifically a double-coil molding machine. Background Technology

[0002] The working principle of the double coil forming machine mainly involves automatically processing metal wire into a specific double coil shape for use in the fields of loose-leaf binding of books, wall calendars, desk calendars, etc.

[0003] The core principle of a double coil forming machine is to complete the straightening, winding, forming and bending of wires through a series of mechanical mechanisms to achieve automated production. However, when using existing double coil forming machines, the main drive is mainly a chain, which is noisy, unstable and difficult to maintain; the wire belt is positioned by impellers at the upper and lower die forming points, which is inaccurate and prone to change. Utility Model Content

[0004] The purpose of this utility model is to provide a double coil forming machine to solve the problems mentioned in the background art, such as the main drive being mainly chain-driven, resulting in high noise and instability, and the use of impellers for positioning the wire belt at the upper and lower mold forming points, which leads to inaccurate positioning and easy changes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a double-coil forming machine, comprising a motor, a belt sleeved on the output shaft of the motor, a main shaft rotatably connected to the output shaft of the motor via the belt, a shaping input wheel sleeved on the outer surface of the main shaft, a handle, a steering gear, a divider input wheel and a reducer connected to the main shaft, an intermittent input wheel, a controller and a forming hammer eccentric wheel rotatably connected to the main shaft via the reducer, a first connecting shaft and a second connecting shaft sleeved inside the shaping input wheel, a small-head shaping spiral cutter fixedly connected to the surface of the first connecting shaft, and a large-head shaping spiral cutter fixedly connected to the surface of the second connecting shaft.

[0006] Preferably, a third connecting shaft is fixedly connected to the surface of the handle, and the main shaft is rotatably connected to the cross mold base via a steering mechanism.

[0007] Preferably, the outer surface of the input wheel of the divider is rotatably connected to the divider via a chain. The surface of the divider is provided with a first gear and a first synchronous pulley. The surface of the first gear is meshed with and rotatably connected to a second gear. The surface of the second gear is fixedly connected to a fourth connecting shaft. The surface of the fourth connecting shaft is fixedly connected to a shaping and positioning wheel. The surface of the first synchronous pulley is rotatably connected to a second synchronous pulley via a synchronous belt. The surface of the second synchronous pulley is fixedly connected to a core wheel via a round rod.

[0008] Preferably, a rotating wheel is fitted onto the surface of the input wheel of the intermittent device, an adjusting wheel is provided on the outer surface of the rotating wheel, a conveyor belt is fitted onto the surface of the adjusting wheel, an intermittent device is provided on the surface of the conveyor belt, a first sprocket and a third synchronous wheel are movably connected to the surface of the intermittent device, a second sprocket and a third sprocket are rotatably connected to the first sprocket via a chain, a large-end positioning rack is rotatably connected to the second sprocket via a chain, a small-end positioning rack is rotatably connected to the third sprocket via a chain, a first transmission belt is fitted onto the outer surface of the third synchronous wheel, a fourth synchronous wheel is rotatably connected to the third synchronous wheel via the first transmission belt, a first connecting rod is fixedly connected to the surface of the fourth synchronous wheel, a third gear is fixedly connected to the surface of the first connecting rod, a second transmission belt is fitted onto the outer surface of the fourth synchronous wheel, a fifth synchronous wheel is rotatably connected to the fourth synchronous wheel via the second transmission belt, a second connecting rod is fixedly connected to the surface of the fifth synchronous wheel, and a helical gear is fixedly connected to the surface of the second connecting rod.

[0009] Preferably, the controller is movably connected to a fifth connecting shaft, and cams are fixedly connected to both ends of the fifth connecting shaft. A first linear rail and a second linear rail are abutted to the surface of the cams. An upper mold frame is slidably connected to the surface of the first linear rail and the second linear rail, and a mold is fixedly connected to the surface of the upper mold frame.

[0010] Preferably, the surface of the eccentric wheel of the forming hammer is provided with a rocker arm, the surface of the rocker arm is movably connected to a first support rod and a second support rod, the surface of the first support rod is movably connected to a first clamping plate, the surface of the second support rod is movably connected to a second clamping plate, the surface of the first clamping plate holds a first drive shaft, the surface of the second clamping plate holds a second drive shaft, the surface of the first drive shaft is fixedly connected to a first hammer, and the surface of the second drive shaft is fixedly connected to a second hammer.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. The machine has a simple, practical, quiet, high-speed (up to 1500 teeth / minute), stable operation, environmental protection, and easy maintenance.

[0012] 2. The large and small heads are shaped using a spiral method, and the shaping is standardized.

[0013] 3. The bending mandrel and the shaping and positioning wheel of the large and small ends are driven by a divider, which ensures accurate positioning.

[0014] 4. The speed change uses a star wheel reducer, which is quiet and accurate.

[0015] 5. The upper mold is driven by a cam, ensuring smooth operation.

[0016] 6. The wire strip forming process uses a toothed belt conveyor, ensuring accurate positioning. Attached Figure Description

[0017] Figure 1 This is a three-dimensional front view of the structure of this utility model; Figure 2 This is a partial front sectional view of the structure of this utility model; Figure 3 This is a partial rear sectional view of the structure of this utility model; Figure 4 This is a partial frontal perspective view of the structure of this utility model; Figure 5 This is a partial top-view perspective view of the structure of this utility model; Figure 6 This utility model Figure 5 A three-dimensional diagram of the structure from the rear; Figure 7 This utility model Figure 5 A three-dimensional front view of the structure in the diagram; Figure 8 This is a partial side-view perspective of the structure of this utility model.

[0018] In the diagram: 1. Motor; 2. Main shaft; 3. Shaping input wheel; 4. Handle; 5. Steering gear; 6. Divider input wheel; 7. Reducer; 8. Interval input wheel; 9. Controller; 10. Shaping hammer eccentric wheel; 11. First connecting shaft; 12. Second connecting shaft; 13. Small-end shaping spiral cutter; 14. Large-end shaping spiral cutter; 15. Third connecting shaft; 16. Cross mold base; 18. Divider; 19. First gear; 20. Second gear; 21. Fourth connecting shaft; 22. Shaping positioning wheel; 23. First synchronous pulley; 24. Second synchronous pulley; 25. Core wheel; 26. Rotary wheel; 27. Adjusting wheel; 28. Conveyor belt; 29. ​​Interval; 30. First sprocket; 3 1. Second sprocket; 32. Third sprocket; 35. Third synchronous pulley; 36. First transmission belt; 37. Fourth synchronous pulley; 38. Second transmission belt; 39. Fifth synchronous pulley; 40. First connecting rod; 41. Third gear; 42. Second connecting rod; 43. Helical gear; 44. Fifth connecting shaft; 45. Cam; 47. First linear rail; 48. Second linear rail; 49. Upper mold frame; 50. Mold; 52. Rocker arm; 53. First support rod; 54. Second support rod; 55. First clamping plate; 56. Second clamping plate; 57. First drive shaft; 58. Second drive shaft; 59. First hammer; 60. Second hammer; 61. Large-end positioning rack; 62. Small-end positioning rack. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-8 One embodiment provided by this utility model: A double-coil forming machine includes a motor 1, with a belt sleeved on the output shaft of the motor 1. The output shaft of the motor 1 is rotatably connected to a main shaft 2 via the belt. A shaping input wheel 3 is sleeved on the outer surface of the main shaft 2. The main shaft 2 is connected to a handle 4, a steering gear 5, a divider input wheel 6, and a reducer 7. The main shaft 2 is rotatably connected to an intermittent input wheel 8, a controller 9, and a forming hammer eccentric wheel 10 via the reducer 7. A first connecting shaft 11 and a second connecting shaft 12 are sleeved inside the shaping input wheel 3. A small-end shaping spiral cutter 13 is fixedly connected to the surface of the first connecting shaft 11, and a large-end shaping spiral cutter 14 is fixedly connected to the surface of the second connecting shaft 12. The shaping input wheel 3 drives the first connecting shaft 11 and the second connecting shaft 12. The first connecting shaft 11 drives the small-end shaping spiral cutter 13 to perform small-end shaping on the wire, and the second connecting shaft 12 drives the large-end shaping spiral cutter 14 to perform large-end shaping on the wire.

[0021] Furthermore, a third connecting shaft 15 is fixedly connected to the surface of the handle 4, and the main shaft 2 is rotatably connected to the cross mold base 16 via the steering gear 5. The handle 4 drives the third connecting shaft 15 for manual adjustment.

[0022] The function of the steering gear 5 is to convert lateral power into vertical power to drive the cross mold base 16.

[0023] Furthermore, the outer surface of the divider input wheel 6 is rotatably connected to the divider 18 via a chain. The surface of the divider 18 is provided with a first gear 19 and a first synchronous wheel 23. The surface of the first gear 19 is meshed with and rotatably connected to a second gear 20. The surface of the second gear 20 is fixedly connected to a fourth connecting shaft 21. The surface of the fourth connecting shaft 21 is fixedly connected to a shaping and positioning wheel 22. The surface of the first synchronous wheel 23 is rotatably connected to a second synchronous wheel 24 via a synchronous belt. The surface of the second synchronous wheel 24 is fixedly connected to a core wheel 25 via a round rod. After the divider 18 divides the power, it transmits it to the first gear 19 and the first synchronous wheel 23. The first gear 19 drives the second gear 20. The second gear 20 is transmitted to the shaping and positioning wheel 22 via the fourth connecting shaft 21. The first synchronous wheel 23 is transmitted to the second synchronous wheel 24 via the synchronous belt. The second synchronous wheel 24 is transmitted to the core wheel 25 via a shaft for bending. After the reducer 7 reduces the speed, it is transmitted to the intermittent input wheel 8, the controller 9, and the forming hammer eccentric wheel 10.

[0024] Furthermore, a rotating wheel 26 is fitted onto the surface of the intermittent input wheel 8. An adjusting wheel 27 is provided on the outer surface of the rotating wheel 26. A conveyor belt 28 is fitted onto the surface of the adjusting wheel 27. An intermittent 29 is provided on the surface of the conveyor belt 28. A first sprocket 30 and a third synchronous wheel 35 are movably connected to the surface of the intermittent 29. The first sprocket 30 is rotatably connected to a second sprocket 31 and a third sprocket 32 ​​via a chain. The second sprocket 31 is rotatably connected to a large-end positioning rack 61 via a chain. The third sprocket 32 ​​is rotatably connected to a small-end positioning rack 62 via a chain. A first transmission belt 36 is fitted onto the outer surface of the third synchronous wheel 35. A fourth synchronous wheel 37 is rotatably connected to the third synchronous wheel 35 via the first transmission belt 36. A first connecting wheel 37 is fixedly connected to the surface of the fourth synchronous wheel 37. The first connecting rod 40 has a third gear 41 fixedly connected to its surface. The outer surface of the fourth synchronous pulley 37 is fitted with a second transmission belt 38. The fourth synchronous pulley 37 is rotatably connected to a fifth synchronous pulley 39 via the second transmission belt 38. The surface of the fifth synchronous pulley 39 is fixedly connected to a second connecting rod 42. The surface of the second connecting rod 42 is fixedly connected to a helical gear 43. The intermittent input wheel 8 transmits power via a synchronous belt to the rotating wheel 26, then to the adjusting wheel 27, then to the conveyor belt 28 and the intermittent 29. After adjusting the power, the intermittent 29 outputs power to the first sprocket 30 and the third synchronous pulley 35. The first sprocket 30 drives the second sprocket 31 and the third sprocket 32 ​​via a chain. The second sprocket 31 drives the large-end positioning rack 61, and the third sprocket 32 ​​drives the small-end positioning rack 62.

[0025] Furthermore, the controller 9 is movably connected to a fifth connecting shaft 44, and cams 45 are fixedly connected to both ends of the fifth connecting shaft 44. The surfaces of the cams 45 are abutted to a first linear rail 47 and a second linear rail 48. The surfaces of the first linear rail 47 and the second linear rail 48 are slidably connected to an upper mold frame 49. The surface of the upper mold frame 49 is fixedly connected to a mold 50. After the controller 9 is rotated by the helical gear 43, it drives the fifth connecting shaft 44. The two ends of the fifth connecting shaft 44 drive the cams 45 respectively. The two sets of cams 45 drive the first linear rail 47 and the second linear rail 48 respectively. At this time, the upper mold frame 49 drives the mold 50 up and down, pressing the wire into an arc shape.

[0026] Furthermore, the surface of the forming hammer eccentric wheel 10 is provided with a rocker arm 52. The surface of the rocker arm 52 is movably connected to a first support rod 53 and a second support rod 54. The surface of the first support rod 53 is movably connected to a first clamping plate 55, and the surface of the second support rod 54 is movably connected to a second clamping plate 56. The surface of the first clamping plate 55 holds a first drive shaft 57, and the surface of the second clamping plate 56 holds a second drive shaft 58. The surface of the first drive shaft 57 is fixedly connected to a first hammer 59, and the surface of the second drive shaft 58 is fixedly connected to a second hammer 60. The forming hammer eccentric wheel 10 drives the rocker arm 52 up and down. The rocker arm 52 is transmitted through the first support rod 53 and the second support rod 54 to the first clamping plate 55 and the second clamping plate 56, and then to the first drive shaft 57 and the second drive shaft 58. The first drive shaft 57 and the second drive shaft 58 respectively drive the first hammer 59 and the second hammer 60 to round the large and small ends of the pressed arc-shaped wire strip.

[0027] Working principle: After being straightened, the rubber-coated iron wire is fed into the cross mold base 16 and folded into a rectangle. Then, it is folded into a wire strip with corresponding large and small ends by the core wheel 25. The wire strip is shaped by the small end shaping spiral cutter 13 and the large end shaping spiral cutter 14 and then conveyed forward to the large end positioning rack 61 and the small end positioning rack 62. The large end positioning rack 61 and the small end positioning rack 62 drive the wire strip forward to the forming position. The wire strip is squeezed into an arc shape by the mold 50, and then pressed into a semi-circular finished product by the first hammer 59 and the second hammer 60. The finished product is carried out by the second gear 20.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A double-coil forming machine comprising an electric motor (1), characterized in that: The output shaft of the motor (1) is fitted with a belt, and the output shaft of the motor (1) is rotatably connected to the main shaft (2) via the belt. The outer surface of the main shaft (2) is fitted with a shaping input wheel (3). The main shaft (2) is connected to a handle (4), a steering gear (5), a divider input wheel (6), and a reducer (7). The main shaft (2) is rotatably connected to an intermittent input wheel (8), a controller (9), and a forming hammer eccentric wheel (10) via the reducer (7). The inside of the shaping input wheel (3) is fitted with a first connecting shaft (11) and a second connecting shaft (12). The surface of the first connecting shaft (11) is fixedly connected with a small-head shaping spiral cutter (13), and the surface of the second connecting shaft (12) is fixedly connected with a large-head shaping spiral cutter (14).

2. A twin coil building machine according to claim 1, wherein: The surface of the handle (4) is fixedly connected to a third connecting shaft (15), and the main shaft (2) is rotatably connected to a cross mold base (16) via a steering gear (5).

3. A twin coil former as defined in claim 1, wherein: The outer surface of the input wheel (6) of the divider is rotatably connected to the divider (18) via a chain. The surface of the divider (18) is provided with a first gear (19) and a first synchronous wheel (23). The surface of the first gear (19) is meshed with and rotatably connected to a second gear (20). The surface of the second gear (20) is fixedly connected to a fourth connecting shaft (21). The surface of the fourth connecting shaft (21) is fixedly connected to a shaping and positioning wheel (22). The surface of the first synchronous wheel (23) is rotatably connected to a second synchronous wheel (24) via a synchronous belt. The surface of the second synchronous wheel (24) is fixedly connected to a core wheel (25) via a round rod.

4. A twin coil former as defined in claim 1, wherein: A rotating wheel (26) is fitted onto the surface of the intermittent input wheel (8). An adjusting wheel (27) is provided on the outer surface of the rotating wheel (26). A conveyor belt (28) is fitted onto the surface of the adjusting wheel (27). An intermittent (29) is provided on the surface of the conveyor belt (28). A first sprocket (30) and a third synchronous wheel (35) are movably connected to the surface of the intermittent (29). The first sprocket (30) is rotatably connected to a second sprocket (31) and a third sprocket (32) via a chain. The second sprocket (31) is rotatably connected to a large-end positioning rack (61) via a chain. The third sprocket (32) is rotatably connected to a small-end positioning rack (62) via a chain. The third synchronous wheel ( The outer surface of the third synchronous pulley (35) is fitted with a first transmission belt (36). The third synchronous pulley (35) is rotatably connected to a fourth synchronous pulley (37) through the first transmission belt (36). The surface of the fourth synchronous pulley (37) is fixedly connected to a first connecting rod (40). The surface of the first connecting rod (40) is fixedly connected to a third gear (41). The outer surface of the fourth synchronous pulley (37) is fitted with a second transmission belt (38). The fourth synchronous pulley (37) is rotatably connected to a fifth synchronous pulley (39) through the second transmission belt (38). The surface of the fifth synchronous pulley (39) is fixedly connected to a second connecting rod (42). The surface of the second connecting rod (42) is fixedly connected to a helical gear (43).

5. A double-coil forming machine according to claim 1, characterized in that: The controller (9) is movably connected to a fifth connecting shaft (44), and the two ends of the fifth connecting shaft (44) are fixedly connected to cams (45). The surface of the cams (45) is abutted to a first linear rail (47) and a second linear rail (48). The surfaces of the first linear rail (47) and the second linear rail (48) are slidably connected to an upper mold frame (49), and the surface of the upper mold frame (49) is fixedly connected to a mold (50).

6. A twin coil building machine as defined in claim 1, wherein: The surface of the eccentric wheel (10) of the forming hammer is provided with a rocker arm (52). The surface of the rocker arm (52) is movably connected to a first support rod (53) and a second support rod (54). The surface of the first support rod (53) is movably connected to a first clamping plate (55). The surface of the second support rod (54) is movably connected to a second clamping plate (56). The surface of the first clamping plate (55) holds a first drive shaft (57). The surface of the second clamping plate (56) holds a second drive shaft (58). The surface of the first drive shaft (57) is fixedly connected to a first hammer (59). The surface of the second drive shaft (58) is fixedly connected to a second hammer (60).

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