Single-insertion iron wire blanking mechanism

Abstract

The utility model discloses a single-insertion iron wire blanking mechanism, which comprises a bottom plate, a fixed plate, an iron wire storage device for storing a plurality of iron wires, an iron wire blanking device for driving a single iron wire to be blanked, a blanking driving device for driving the iron wire blanking device to rotate, and a limiting and guiding device for limiting and guiding the single iron wire during blanking, the iron wire discharging device is rotatably installed between the two fixing plates, the discharging driving device is installed on the outer side of one fixing plate and is in transmission connection with the iron wire discharging device, and the discharging portion of the iron wire storage device is in butt joint with one side of the iron wire discharging device and is installed on the bottom plate. The limiting and guiding devices are located on the upper side and the lower side of the iron wire discharging device, and the charging portion of the iron wire discharging device can be driven by the discharging driving device to rotate between the discharging portion of the iron wire storage device and the discharging portions of the limiting and guiding devices. The automatic feeding device can achieve the purpose of sequentially and continuously feeding a single iron wire, and is accurate in positioning and stable and reliable in operation.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, and more specifically to a single-insertion iron wire feeding mechanism. Background Art

[0002] At present, a large number of artificial decorative greening products such as plastic leaves, grass, and flowers are formed by bone-shooting machines during the production process. The bone-shooting machine is a device suitable for hot-pressing and shaping various artificial plant silk printed leaves. It is necessary to control the cylinder of the bone-shooting machine to drive the upper mold to move down to the mold to close the mold, and then inject the molten resin into the mold cavity through the injection molding equipment. It is also necessary to equip the corresponding iron wire insertion equipment. In order to enable the iron wire insertion equipment to insert a single iron wire into the root and stem of the printed leaves in the mold, the prerequisite is that the bundled iron wire must be separated into individual iron wires for pre-arrangement. To this end, we proposed a single-insertion iron wire feeding mechanism for feeding a single iron wire. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide a single-insert iron wire unloading mechanism which can achieve the purpose of unloading a single iron wire in sequence and continuously, has a high degree of automation, accurate positioning, and stable and reliable operation.

[0004] To achieve the above-mentioned purpose, the utility model provides a single-insertion iron wire feeding mechanism, including a bottom plate, a fixed plate, an iron wire storage device for storing multiple iron wires, an iron wire feeding device for driving the single iron wire to feed, a feeding drive device for driving the iron wire feeding device to rotate, and a limiting guide device for limiting the single iron wire during feeding. The fixed plate is provided with two pieces and are respectively vertically arranged on both sides of the top surface of the bottom plate. The iron wire feeding device is rotatably installed between the two fixed plates. The feeding drive device is installed on the outside of one of the fixed plates and is transmission-connected to the iron wire feeding device. The discharge part of the iron wire storage device is connected to one side of the iron wire feeding device. The iron wire feeding device is connected to and installed on the bottom plate, and the limit guide device is located on the upper and lower sides of the iron wire feeding device. The loading part of the iron wire feeding device can be driven by the feeding drive device to rotate between the discharging part of the iron wire storage device and the feeding part of the limit guide device respectively. The iron wire feeding device includes a rotating shaft and a feeding wheel. The two ends of the rotating shaft are rotatably installed between two fixed plates. The feeding wheel is fixed on the rotating shaft. The feeding wheel is evenly provided with a plurality of first iron wire grooves for embedding a single iron wire along its width direction. The rotating shaft is transmission-connected to the output part of the feeding drive device and drives the feeding wheel to rotate through the feeding drive device.

[0005] Preferably, the iron wire feeding device also includes two feeding knurling wheels and a square plate. The two feeding knurling wheels are respectively fixedly arranged on the rotating shaft and spaced apart on both sides of the feeding wheel plate. Each feeding knurling wheel is provided with a second iron wire groove evenly opened along its width direction and on the same horizontal line as the first iron wire groove. The square plate is fixedly sleeved on the rotating shaft and is located between the feeding drive device and the fixed plate.

[0006] Preferably, the iron wire storage device includes a storage seat, a storage vertical plate, a hopper plate, and two hopper plates. The storage seat is fixedly arranged on the top surface of the bottom plate. Two storage vertical plates are provided and vertically arranged on the storage seat. One side of the top surface of the two storage vertical plates is inclined outward, and the hopper plate is inclined from top to bottom in the direction of the iron wire feeding device. One side of the hopper plate is fixedly arranged on the horizontal section of the top surface of the storage vertical plate through a connecting plate. The two hopper plates are both L-shaped and arranged relative to each other and their horizontal surfaces are respectively connected to the two ends of the hopper plate. The vertical surfaces of each hopper plate are respectively located at the two ends of the hopper plate, and the side of each hopper plate close to the iron wire feeding device is respectively bent inward and perpendicular to the bottom edge of the hopper plate.

[0007] Preferably, two first fixing holes are respectively formed at both ends of the hopper plate, and each hopper piece is provided with a first strip hole corresponding to each first fixing hole along the length direction of its horizontal section. Each hopper piece can slide left and right relative to the hopper plate through a locking bolt to achieve position adjustment.

[0008] The top of the fixing plate is connected with the fixing plate, and the fixing plate is connected with the fixing plate to the fixing plate, and the fixing plate is connected with the fixing plate to the fixing plate.

[0009] Preferably, the limiting guide device also includes a toggle shaft, two L-shaped limiting blocks, and a square disk limiting piece. Both ends of the toggle shaft are rotatably arranged between two fixed plates and located below the outer side of the rotating shaft. The two L-shaped limiting blocks are fixedly sleeved on the toggle shaft in the vertical direction and are respectively located on both sides of the unloading wheel. The head ends of the two L-shaped limiting blocks are bent outward. One end of the square disk limiting piece is fixedly sleeved on the toggle shaft and located below the square disk. The other end of the square disk limiting piece is provided with a hook groove for limiting the rotation of the square disk.

[0010] Preferably, the unloading drive device includes a motor mounting plate, a speed regulating motor, and a speed regulating motor coupling. The motor mounting plate is vertically spaced apart on the outside of one of the fixed plates, and the speed regulating motor is installed inwardly on the motor mounting plate. The speed regulating motor is transmission-connected to one end of the rotating shaft extending out of the fixed plate through the speed regulating motor coupling and drives it to rotate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model has a simple structure and a reasonable design. A first iron wire groove for embedding a single iron wire is opened on the unloading wheel of the iron wire unloading device. When the unloading wheel rotates under the drive of the unloading driving device, only one of the multiple iron wires placed on the iron wire storage device can be embedded in the first iron wire groove. The unloading wheel can drive the single iron wire to rotate to the unloading position of the limiting guide device for unloading, thereby achieving the purpose of unloading the single iron wire in sequence and continuously. It has a high degree of automation, precise positioning, stable and reliable operation, and can meet the large-scale production needs of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of a single-insertion wire feeding mechanism provided by the embodiment of the utility model. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of a single-insertion wire feeding mechanism provided by the embodiment of the utility model. Figure 2 ;

[0016] Figure 3 It is a structural schematic diagram of an iron wire feeding device of a single-insertion iron wire feeding mechanism provided by an embodiment of the utility model;

[0017] Figure 4 This is a partial structural diagram of a single-insertion wire feeding mechanism provided by the embodiment of the utility model. Figure 1 ;

[0018] Figure 5 It is a partial exploded schematic diagram of an iron wire storage device of a single-insertion iron wire feeding mechanism provided by an embodiment of the utility model;

[0019] Figure 6 It is a partial exploded schematic diagram of a limiting guide device of a single-insertion iron wire feeding mechanism provided by an embodiment of the utility model;

[0020] Figure 7 It is a partial structural schematic diagram of a limiting guide device of a single-insertion iron wire feeding mechanism provided by an embodiment of the utility model;

[0021] Figure 8 It is a structural schematic diagram of a limit plate and a square plate limit piece of a single-insertion iron wire feeding mechanism provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Please refer to Figure 1 An embodiment of the utility model provides a single-insertion iron wire feeding mechanism, including a bottom plate 1, a fixed plate 2, an iron wire storage device 3 for storing multiple iron wires, an iron wire feeding device 4 for driving the feeding of a single iron wire, a feeding drive device 5 for driving the iron wire feeding device to rotate, and a limiting guide device 6 for limiting and guiding the single iron wire during feeding. The following is a detailed description of the various components of this embodiment in conjunction with the accompanying drawings.

[0024] like Figure 1 and Figure 2 As shown, two fixed plates 2 can be provided and are respectively and vertically arranged on both sides of the top surface of the base plate 1, the iron wire feeding device 4 is rotatably installed between the two fixed plates 2, the feeding drive device 5 is installed on the outside of one of the fixed plates 2 and is transmission connected to the iron wire feeding device 4, the discharge part of the iron wire storage device 3 is connected to one side of the iron wire feeding device 4 and is installed on the base plate 1, and the limiting guide device 6 is located on the upper and lower sides of the iron wire feeding device 4.

[0025] In specific implementation, the loading part of the iron wire feeding device 4 can be driven by the feeding driving device 5 to rotate between the discharging part of the iron wire storage device 3 and the feeding part of the limiting guide device 6 respectively.

[0026] like Figure 3 and Figure 7 As shown, the iron wire feeding device 4 may include a rotating shaft 41 and a feeding wheel 42. Both ends of the rotating shaft 41 are rotatably mounted between the two fixed plates 2. The feeding wheel 42 is fixedly arranged on the rotating shaft 41. The feeding wheel 42 is evenly provided with a plurality of first iron wire grooves 421 for embedding a single iron wire along its width direction. The rotating shaft 41 is transmission-connected to the output portion of the feeding drive device 5 and drives the feeding wheel 42 to rotate through the feeding drive device 5.

[0027] Preferably, the iron wire feeding device 4 can also include two feeding knurled wheels 43 and a square plate 44. The two feeding knurled wheels 43 are respectively fixedly arranged on the rotating shaft 41 and are spaced apart on both sides of the feeding wheel plate 42. Each feeding knurled wheel 43 is evenly provided with a second iron wire groove 431 which is on the same horizontal line as the first iron wire groove 421 along its width direction. The square plate 44 is fixedly sleeved on the rotating shaft 41 and is located between the feeding drive device 5 and the fixed plate 2.

[0028] In this embodiment, the diameters of the first iron wire groove 421 and the second iron wire groove 431 are consistent with the diameter of a single iron wire, and four of the first iron wire groove 421 and the second iron wire groove 431 are arranged at equal intervals on the outer wall surfaces of their respective corresponding unloading wheel discs 42 and unloading knurling wheels 43. This design enables the iron wire to remain in the other iron wire groove when the iron wire in one of the iron wire grooves falls in the clockwise or counterclockwise direction, thereby improving the unloading efficiency of the iron wire. In addition, the second iron wire grooves 431 of the two unloading knurling wheels 43 can also prevent the single iron wire from deviating and falling during the unloading process in the horizontal direction.

[0029] Preferably, the unloading drive device 5 may include a motor mounting plate 51, a speed regulating motor 52, and a speed regulating motor coupling 53, wherein the motor mounting plate 51 is vertically spaced apart on the outside of one of the fixed plates 2, and the speed regulating motor 52 is mounted inwardly on the motor mounting plate 51.

[0030] In specific implementation, the speed regulating motor 52 is transmission-connected to one end of the rotating shaft 41 extending out of the fixed plate 2 through the speed regulating motor coupling 53 and drives the rotating shaft 41 to rotate.

[0031] like Figure 5As shown, the iron wire storage device 3 may include a storage seat 31, a storage vertical plate 32, a hopper plate 33, and two hopper pieces 34. The storage seat 35 is fixedly arranged on the top surface of the bottom plate 1. Two storage vertical plates 32 are provided and vertically arranged on the storage seat 31. One side of the top surface of the two storage vertical plates 32 is tilted outward. The hopper plate 33 is tilted from top to bottom in the direction toward the iron wire feeding device 4. One side of the hopper plate 33 is fixedly arranged on the horizontal section of the top surface of the storage vertical plate 32 through a connecting plate 331. The two hopper pieces 34 are both L-shaped and arranged opposite to each other, and their horizontal surfaces are respectively connected to the two ends of the hopper plate 33. The vertical surfaces of each hopper piece 34 are respectively located at the two ends of the hopper plate 33. The side of each hopper piece 34 close to the iron wire feeding device 4 is respectively bent inward and perpendicular to the bottom edge of the hopper plate 33.

[0032] Preferably, two first fixing holes 332 can be respectively penetrated at both ends of the hopper plate 33, and each hopper piece 34 is respectively provided with a first strip hole 341 corresponding to each first fixing hole 332 along the length direction of its horizontal section, wherein each hopper piece 34 can slide left and right relative to the hopper plate 33 by a locking bolt to achieve position adjustment.

[0033] During implementation, the distance between the two hopper pieces 34 can be adjusted through the first strip hole 341 and the first fixing hole 332 of the hopper plate 33 to accommodate the insertion of iron wires of different lengths.

[0034] like Figure 6 As shown, the limiting guide device 6 may include a push rod 61, an adjusting cross beam 62, a material storage limiting block 63, a material discharge connecting block 64, a material discharge limiting piece 65, and two material discharge guide plates 66. The two ends of the push rod 61 are arranged parallel to the rotating shaft 41 and installed on the top surfaces of the two fixed plates 2. The adjusting cross beam 62 is vertically arranged on the top surface of the push rod 61 and is located above the material discharge wheel 42. The material storage limiting block 63 is installed downward on the side of the adjusting cross beam 62 close to the iron wire storage device 3. The bottom surface of the material storage limiting block 63 is inclined and parallel to the hopper plate 33. The material connection block 64 is arranged downward on the bottom surface of the adjusting beam 62, the material storage limit block 63 and the material discharge connection block 64 are respectively located on the front and rear sides of the material discharge wheel 42, the bottom surface of the material discharge connection block 64 is inclined outward, and the material discharge limit plate 65 is fixed on the bottom surface of the material discharge connection block 64, one end of the material discharge limit plate 65 is close to the outer wall surface of the material discharge wheel 42, and the two material discharge guide plates 66 are respectively arranged in a V-shaped structure and installed on both sides of the material discharge wheel 42 and fixed on the bottom plate 1, and the outer side surfaces of the two material discharge guide plates 66 are respectively parallel to the material discharge limit plate 65.

[0035] Preferably, the adjusting beam 62 may be provided with a second strip hole 621 along its length direction, and the top surface of the blanking connecting block 64 may be provided with a second fixing hole 641, wherein the blanking connecting block 64 can slide back and forth relative to the bottom surface of the adjusting beam 62 by means of locking bolts to achieve position adjustment.

[0036] Specifically, the material storage limit block 63 may be provided with a third strip hole 631 along its length direction, and the end of the adjusting cross beam 62 close to the material storage limit block 63 is provided with a third fixing hole 622, wherein the material storage limit block 63 can slide up and down relative to one end of the adjusting cross beam 62 by means of a locking bolt to achieve position adjustment.

[0037] Furthermore, the blanking limit plate 65 can be provided with a fourth strip hole 651 along its length direction, and the top surface of the blanking connection block 64 can be provided with a fourth fixing hole 641, wherein the blanking limit plate 65 can slide back and forth relative to the bottom surface of the blanking connection block 64 through a locking bolt to achieve position adjustment.

[0038] like Figure 7 As shown, the limiting guide device 6 can also include a toggle shaft 67, two L-shaped limiting blocks 68, and a square plate limiting member 69. The two ends of the toggle shaft 67 are rotatably arranged between the two fixed plates 2 and are located below the outer side of the rotating shaft 41. The two L-shaped limiting blocks 68 are fixedly sleeved on the toggle shaft 67 in the vertical direction and are respectively located on both sides of the unloading wheel 42. The head ends of the two L-shaped limiting blocks 68 are bent outward. One end of the square plate limiting member 69 is fixedly sleeved on the toggle shaft 67 and is located below the square plate 44. The other end of the square plate limiting member 69 is provided with a hook groove 691 for limiting the rotation of the square plate 44.

[0039] Furthermore, the two L-shaped limiting blocks 68 can limit the position of the iron wire when the unloading wheel 42 drives the single iron wire to rotate, further ensuring that the iron wire can fall smoothly under the guidance of the two unloading guide plates 66.

[0040] The working principle of this embodiment is as follows:

[0041] First, a number of iron wires are placed horizontally between the two hopper plates 34 of the iron wire storage device 3, and the speed regulating motor 52 of the unloading drive device 5 drives the unloading wheel disc 42 and the unloading knurled wheel 43 on the rotating shaft 41 to rotate simultaneously. During the rotation process, a single iron wire placed in the iron wire storage device 3 close to the unloading wheel disc 42 and the unloading knurled wheel 43 will be embedded in the first iron wire groove 421 and the second iron wire groove 431 and rotate with them. When it rotates to the position of the two unloading guide plates 66 of the limiting guide device 6, the single iron wire will fall along the inclined direction of the unloading guide plate 66 to the external iron wire loading device for pre-discharge, and then be transported to the next workstation, thus completing the unloading operation of the single iron wire.

[0042] In summary, the utility model can achieve the purpose of continuously feeding single iron wires in sequence, has a high degree of automation, precise positioning, stable and reliable operation, and can meet the large-scale production needs of enterprises.

[0043] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A single-insert iron wire feeding mechanism, characterized in that: The invention comprises a bottom plate (1), a fixed plate (2), a wire storage device (3) for storing a plurality of wires, a wire feeding device (4) for driving a single wire to be fed, a feeding drive device (5) for driving the wire feeding device to rotate, and a limiting guide device (6) for guiding the single wire to be fed during feeding. The fixed plate (2) is provided with two pieces which are respectively arranged vertically on both sides of the top surface of the bottom plate (1). The wire feeding device (4) is rotatably installed between the two fixed plates (2). The feeding drive device (5) is installed on the outside of one of the fixed plates (2) and is transmission-connected to the wire feeding device (4). The discharge portion of the wire storage device (3) is connected to one side of the wire feeding device (4) and is installed on the bottom plate (1). The limiting guide device (6) is located at the bottom of the bottom plate (1). At the upper and lower sides of the iron wire lower feeding device (4), the loading part of the iron wire lower feeding device (4) can be driven by the feeding drive device (5) to rotate between the discharge part of the iron wire storage device (3) and the feeding part of the limiting guide device (6), respectively. The iron wire lower feeding device (4) comprises a rotating shaft (41) and a feeding wheel (42). The two ends of the rotating shaft (41) are rotatably mounted between two fixed plates (2). The feeding wheel (42) is fixedly arranged on the rotating shaft (41). The feeding wheel (42) is evenly provided with a plurality of first iron wire grooves (421) for inserting a single iron wire along its width direction. The rotating shaft (41) is transmission-connected to the output part of the feeding drive device (5) and drives the feeding wheel (42) to rotate through the feeding drive device (5).

2. A single-insert wire feeding mechanism according to claim 1, characterized in that: The iron wire unloading device (4) further comprises two unloading knurled wheels (43) and a square plate (44). The two unloading knurled wheels (43) are respectively fixedly arranged on the rotating shaft (41) and are spaced apart on both sides of the unloading wheel plate (42). Each unloading knurled wheel (43) is evenly provided with a second iron wire groove (431) on the same horizontal line as the first iron wire groove (421) along its width direction. The square plate (44) is fixedly sleeved on the rotating shaft (41) and is located between the unloading drive device (5) and the fixed plate (2).

3. A single-insert wire feeding mechanism according to claim 1, characterized in that: The iron wire storage device (3) comprises a storage seat (31), a storage vertical plate (32), a hopper plate (33), and two hopper plates (34); the storage seat (31) is fixedly arranged on the top surface of the bottom plate (1); two storage vertical plates (32) are provided and vertically arranged on the storage seat (31); one side of the top surface of the two storage vertical plates (32) is inclined outward; the hopper plate (33) is inclined from top to bottom in the direction toward the iron wire feeding device (4); One side of the hopper plate (33) is fixedly arranged on the horizontal section of the top surface of the material storage vertical plate (32) through a connecting plate (331), and the two hopper pieces (34) are arranged opposite to each other in an L shape and their horizontal surfaces are respectively connected to the two ends of the hopper plate (33), and the vertical surface of each hopper piece (34) is respectively located at the two ends of the hopper plate (33), and one side of each hopper piece (34) close to the iron wire unloading device (4) is partially bent inward and perpendicular to the bottom edge of the hopper plate (33).

4. A single-insert wire feeding mechanism according to claim 3, characterized in that: Two first fixing holes (332) are respectively formed through the two ends of the hopper plate (33); each hopper piece (34) is respectively formed with a first strip hole (341) corresponding to each first fixing hole (332) along the length direction of its horizontal section; each hopper piece (34) can slide left and right relative to the hopper plate (33) by means of a locking bolt to achieve position adjustment.

5. A single-insert wire feeding mechanism according to claim 1, characterized in that: The limiting guide device (6) comprises a push rod (61), an adjusting cross beam (62), a material storage limiting block (63), a material discharge connecting block (64), a material discharge limiting plate (65), and two material discharge guiding plates (66). The two ends of the push rod (61) are arranged parallel to the rotating shaft (41) and installed on the top surfaces of the two fixed plates (2). The adjusting cross beam (62) is vertically arranged on the top surface of the push rod (61) and is located above the material discharge wheel (42). The material storage limiting block (63) is installed downward on a side of the adjusting cross beam (62) close to the iron wire storage device (3). The bottom surface of the material storage limiting block (63) is inclined and parallel to the hopper plate (33). The material unloading connection block (64) is arranged downward on the bottom surface of the adjusting cross beam (62); the material storage limit block (63) and the material unloading connection block (64) are respectively located on the front and rear sides of the material unloading wheel disc (42); the bottom surface of the material unloading connection block (64) is arranged to be inclined outward; the material unloading limit plate (65) is fixed on the bottom surface of the material unloading connection block (64); one end of the material unloading limit plate (65) is close to the outer wall surface of the material unloading wheel disc (42); two material unloading guide plates (66) are respectively arranged in a V-shaped structure and are installed on both sides of the material unloading wheel disc (42) and fixed on the bottom plate (1); and the outer side surfaces of the two material unloading guide plates (66) are respectively parallel to the material unloading limit plates (65).

6. A single-insert wire feeding mechanism according to claim 1, characterized in that: The limiting guide device (6) also includes a toggle shaft (67), two L-shaped limiting blocks (68), and a square plate limiting member (69). The two ends of the toggle shaft (67) are rotatably arranged between the two fixed plates (2) and located below the outer side of the rotating shaft (41). The two L-shaped limiting blocks (68) are fixedly sleeved on the toggle shaft (67) in the vertical direction and are respectively located on both sides of the unloading wheel disc (42). The head ends of the two L-shaped limiting blocks (68) are bent outward. One end of the square plate limiting member (69) is fixedly sleeved on the toggle shaft (67) and located below the square plate (44). The other end of the square plate limiting member (69) is provided with a hook groove (691) for limiting the rotation of the square plate (44).

7. A single-insert wire feeding mechanism according to claim 1, characterized in that: The material unloading driving device (5) comprises a motor mounting plate (51), a speed regulating motor (52), and a speed regulating motor coupling (53); the motor mounting plate (51) is vertically spaced apart on the outside of one of the fixed plates (2); the speed regulating motor (52) is mounted inwardly on the motor mounting plate (51); the speed regulating motor (52) is transmission-connected to one end of the rotating shaft (41) extending out of the fixed plate (2) through the speed regulating motor coupling (53) and drives the rotating shaft (41) to rotate.

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