A drying and winding device for processing car trunk carpet

Abstract

The present invention discloses a drying and winding device for processing a car trunk carpet, and relates to the technical field of car trunk carpets. The device comprises a U-shaped plate, and the front and back sides of the inner wall of the U-shaped plate are provided with the same electromagnetic heating roller, and the outer surface of the electromagnetic heating roller is wound with a carpet body, and the carpet body is located in a cooling device, and the lower surface of the cooling device is fixedly connected to the upper surface of a bottom plate, and the upper surface of the bottom plate is fixedly connected with a fan. The drying and winding device for processing a car trunk carpet, by providing a U-shaped plate, an electromagnetic heating roller, a fan, a cavity, a cylinder and a nozzle, allows wind to enter the cavity and be ejected from each nozzle, so that the ejected wind effectively cools the carpet body, avoids the adhesion phenomenon after the round roller is wound around the carpet body, and enables the device to dry the carpet body during the process of rolling up the carpet body, thereby reducing the time spent on processing the carpet body.

Description

Technical Field

[0001] The invention relates to the technical field of automobile trunk carpets, in particular to a drying and rolling device for processing automobile trunk carpets. Background Art

[0002] Car trunk mats, also known as car trunk mats, refer to the mats placed at the bottom of the car trunk. The car trunk is a place for storing items, and its role cannot be ignored. The car trunk mat is an environmentally friendly car interior component that integrates five main functions: water absorption, dust absorption, decontamination, sound insulation, and protection of the trunk carpet.

[0003] With the rapid development of economy and the continuous improvement of people's living standards, the automobile industry has developed very rapidly. Most car trunks need to be carpeted. Car trunk carpets need to be glued and painted during processing. After spraying glue and paint, they need to be dried to make the glue and paint dry, which is convenient for subsequent processing steps of car trunk carpets. Existing drying methods mostly use blow drying or drying, which takes a long time and has poor drying effect. In addition, the carpet cannot be dried during the process of rolling up the carpet, which affects the time spent on carpet processing. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a drying and rolling device for processing car trunk carpets, which solves the problem that the existing drying methods are mostly through blowing or drying, which takes a long time and has a poor drying effect, and the carpet cannot be dried during the process of rolling up the carpet, which affects the time spent on carpet processing.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the technical solution adopted by the present invention is: a drying and rolling device for processing a car trunk carpet, comprising a U-shaped plate, the front and back sides of the inner wall of the U-shaped plate are provided with the same electromagnetic heating roller, the outer surface of the electromagnetic heating roller is wrapped with a carpet body, the carpet body is located in a cooling device, the lower surface of the cooling device is fixedly connected to the upper surface of a bottom plate, the upper surface of the bottom plate is fixedly connected to a fan, the air outlet of the fan is connected to the lower surface of the cooling device, the carpet body is wrapped around the outer surface of a pulley, the bottom end of the pulley is fixedly connected to the upper surface of the bottom plate, the carpet body is wrapped around the outer surface of a round roller, the lower surface of the round roller overlaps the upper surface of a supporting device, and the bottom end of the supporting device is fixedly connected to the upper surface of the bottom plate.

[0008] The upper surface of the bottom plate is fixedly connected to the lower surface of the U-shaped plate, and a slide groove is provided on the upper surface of the bottom plate, and two sliders are slidably connected in the slide groove, and a baffle is fixedly connected to the upper surface of the slider, and the opposite surfaces of the two sliders are respectively fixedly connected to the two ends of the two-way hydraulic cylinder, and a first clamping groove is provided on the back side of the round roller, and a first clamping block is arranged in the first clamping groove, and the back side of the first clamping block is fixedly connected to the front side of the first push plate, and the front side of the first push plate overlaps the back side of the round roller, and the back side of the first push plate is fixedly connected to the first rotating shaft, and the first rotating shaft is sleeved in the first bearing, and the first bearing is clamped on the front side of the rear baffle.

[0009] One end of the back side of the first rotating shaft is fixedly connected to a driving device, the front side of the driving device is fixedly connected to the back side of the rear baffle, a second slot is provided on the front side of the round roller, a second clamping block is provided in the second slot, the front side of the second clamping block is fixedly connected to the back side of the second push plate, the back side of the second push plate overlaps the front side of the round roller, the front side of the second push plate is fixedly connected to a second rotating shaft, the second rotating shaft is sleeved in a second bearing, and the second bearing is clamped on the back side of the front baffle.

[0010] Preferably, curtains are provided on both the left and right sides of the U-shaped plate, and the lower surface of the curtains overlaps with the upper surface of the bottom plate. The supporting device includes two electric push rods, and the bottom ends of the two electric push rods are fixedly connected to the upper surface of the bottom plate, and the top ends of the two electric push rods are fixedly connected to the lower surface of the support plate, the upper surface of the support plate overlaps with the lower surface of the round roller, and the upper surface of the bottom plate overlaps with the lower surface of the collecting trough.

[0011] Preferably, the cooling device includes a cylinder, the lower surface of which is fixedly connected to the upper surface of the base plate, a cavity is provided in the cylinder, a plurality of nozzles are provided on the inner surface of the cylinder, the bottom end of the nozzle is connected to the cavity, the lower surface of the cylinder is connected to the air outlet of the fan, and the number of the electromagnetic heating rollers is four.

[0012] Preferably, the driving device includes a motor, the lower surface of the motor body is fixedly connected to the upper surface of the fixing plate, the front side of the fixing plate is fixedly connected to the back side of the baffle, and the output shaft of the motor is fixedly connected to one end of the back side of the first rotating shaft.

[0013] Preferably, a power source is fixedly connected to the front side of the U-shaped plate, and the front side of the power source is fixedly connected to the back sides of the first switch, the second switch, the third switch, the fourth switch and the fifth switch.

[0014] Preferably, the output end of the power supply is electrically connected to the input ends of the first switch, the second switch, the third switch, the fourth switch and the fifth switch through wires, and the output ends of the first switch, the second switch, the third switch, the fourth switch and the fifth switch are electrically connected to the input ends of the electromagnetic heating roller, the fan, the motor, the electric push rod and the bidirectional hydraulic cylinder through wires.

[0015] (III) Beneficial effects

[0016] The beneficial effects of the present invention are:

[0017] 1. The drying and winding device for processing the trunk carpet of an automobile is provided with a U-shaped plate, an electromagnetic heating roller, a fan, a cavity, a cylinder and a nozzle. When the carpet body needs to be dried, the motor is controlled to work so that the output shaft of the motor drives the first rotating shaft to rotate, so that the first rotating shaft drives the round roller to rotate, so that the round roller winds around the carpet body, and the four electromagnetic heating rollers are controlled to work so that the four electromagnetic heating rollers generate heat and dry the carpet body. Since the carpet body is located in the cylinder, the fan is controlled to work so that wind enters the cavity and is ejected from each nozzle, so that the ejected wind effectively cools the carpet body, and avoids the adhesion phenomenon caused by the round roller winding around the carpet body, so that the device can dry the carpet body during the process of rolling up the carpet body, thereby reducing the time spent on processing the carpet body.

[0018] 2. The drying and winding device for processing the trunk carpet of the automobile is provided with a first clamping block, a second clamping block, a first clamping slot, a second clamping slot, an electric push rod, a support plate, a motor and a round roller. When the output shaft of the motor drives the round roller to rotate through the first rotating shaft and the first push plate, the shapes of the first clamping block, the second clamping block, the first clamping slot and the second clamping slot are all set to be rectangular, so that the round roller is more stable when winding around the carpet body.

[0019] 3. The drying and rolling device for processing the car trunk carpet is provided with a bidirectional hydraulic cylinder, a slider, a slide groove, a slider, a baffle, a first clamping block, a second clamping block and a round roller. When the round roller needs to be removed, the bidirectional hydraulic cylinder is controlled to work, so that the two ends of the bidirectional hydraulic cylinder are extended and drive the two sliders to move forward and backward, so that the two sliders respectively drive the two baffles to move forward and backward, so that the first push plate and the second push plate respectively drive the first clamping block and the second clamping block to move forward and backward, so that the first clamping block and the second clamping block are respectively separated from the first clamping groove and the second clamping groove, so that the round roller falls on the support plate, which is more convenient for the staff to remove the round roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic cross-sectional structure diagram of the present invention;

[0021] Figure 2 It is a cross-sectional structure schematic diagram of the round roller of the present invention from the right side;

[0022] Figure 3 This is a schematic diagram of the structure of the blind of the present invention when viewed from the left;

[0023] Figure 4 It is a structural schematic diagram of the U-shaped plate of the present invention from the front view.

[0024] In the figure: 1 U-shaped plate, 2 electromagnetic heating roller, 3 carpet body, 4 fan, 5 cooling device, 51 cylinder, 52 cavity, 53 nozzle, 6 pulley, 7 round roller, 8 supporting device, 81 supporting plate, 82 electric push rod, 9 bottom plate, 10 slide groove, 11 slider, 12 two-way hydraulic cylinder, 13 baffle, 14 driving device, 141 fixed plate, 142 motor, 15 first bearing, 16 first rotating shaft, 17 first push plate, 18 first clamping block, 19 first clamping groove, 20 second clamping groove, 21 second clamping block, 22 second push plate, 23 second rotating shaft, 24 second bearing, 25 blind, 26 collecting tank, 27 power supply, 28 first switch, 29 second switch, 30 third switch, 31 fourth switch, 32 fifth switch. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1-4As shown, the present invention provides a technical solution: a drying and winding device for processing a car trunk carpet, comprising a U-shaped plate 1, the front and back sides of the inner wall of the U-shaped plate 1 are provided with the same electromagnetic heating roller 2, by providing the electromagnetic heating roller 2, the first rotating shaft 16 drives the round roller 7 to rotate, so that the round roller 7 is wound around the carpet body 3, the four electromagnetic heating rollers 2 are controlled to work, so that the four electromagnetic heating rollers 2 generate heat and dry the carpet body 3, the left and right sides of the U-shaped plate 1 are provided with a blind 25, the lower surface of the blind 25 overlaps the upper surface of the bottom plate 9, the supporting device 8 includes an electric push rod 82, the number of the electric push rod 82 is two, and the bottom ends of the two electric push rods 82 are fixedly connected to the upper surface of the bottom plate 9, and the top ends of the two electric push rods 82 are fixedly connected to the upper surface of the bottom plate 9, and the top ends of the two electric push rods 82 are fixedly connected to the upper surface of the bottom plate 9. The ends are fixedly connected to the lower surface of the support plate 81. By setting the support plate 81, the staff places the round roller 7 on the support plate 81 and controls the two electric push rods 82 to work, so that the two electric push rods 82 extend and drive the support plate 81 and the round roller 7 to move upward. The staff does not need to manually lift the round roller 7. The upper surface of the support plate 81 overlaps with the lower surface of the round roller 7, and the upper surface of the bottom plate 9 overlaps with the lower surface of the collecting tank 26. The outer surface of the electromagnetic heating roller 2 is wrapped with a carpet body 3. The front side of the U-shaped plate 1 is fixedly connected with a power supply 27. The front side of the power supply 27 is fixedly connected to the back sides of the first switch 28, the second switch 29, the third switch 30, the fourth switch 31 and the fifth switch 32. By setting the power supply 27, the power supply 27 can provide electromagnetic heating. The heat roller 2, the fan 4, the motor 142, the electric push rod 82 and the two-way hydraulic cylinder 12 are powered so that the electromagnetic heating roller 2, the fan 4, the motor 142, the electric push rod 82 and the two-way hydraulic cylinder 12 can work normally. The output end of the power supply 27 is electrically connected to the input ends of the first switch 28, the second switch 29, the third switch 30, the fourth switch 31 and the fifth switch 32 through wires, and the output ends of the first switch 28, the second switch 29, the third switch 30, the fourth switch 31 and the fifth switch 32 are electrically connected to the input ends of the electromagnetic heating roller 2, the fan 4, the motor 142, the electric push rod 82 and the two-way hydraulic cylinder 12 through wires. , so that the staff can more conveniently control the electromagnetic heating roller 2, the fan 4, the motor 142, the electric push rod 82 and the two-way hydraulic cylinder 12 to work, the carpet body 3 is located in the cooling device 5, the lower surface of the cooling device 5 is fixedly connected to the upper surface of the bottom plate 9, the upper surface of the bottom plate 9 is fixedly connected with the fan 4, the air outlet of the fan 4 is connected to the lower surface of the cooling device 5, the cooling device 5 includes a cylinder 51, the lower surface of the cylinder 51 is fixedly connected to the upper surface of the bottom plate 9, a cavity 52 is arranged in the cylinder 51, and a plurality of nozzles 53 are arranged on the inner surface of the cylinder 51, the bottom end of the nozzle 53 is connected to the cavity 52, and the lower surface of the cylinder 51 is connected to the air outlet of the fan 4. The number of electromagnetic heating rollers 2 is four, and the fan 4 is set to control the operation of the fan 4.The wind enters the cavity 52 and is ejected from each nozzle 53, so that the ejected wind effectively cools the carpet body 3, avoiding the adhesion phenomenon after the round roller 7 is wound around the carpet body 3. The carpet body 3 is wound around the outer surface of the pulley 6, and the bottom end of the pulley 6 is fixedly connected to the upper surface of the bottom plate 9. The carpet body 3 is wound around the outer surface of the round roller 7. By setting the pulley 6, the first rotating shaft 16 drives the round roller 7 to rotate, so that when the round roller 7 is wound around the carpet body 3, the pulley 6 can change the movement direction of the carpet body 3, so that the carpet body 3 is located in the cylinder 51 without bending. The lower surface of the round roller 7 overlaps the upper surface of the supporting device 8, and the bottom end of the supporting device 8 is fixedly connected to the upper surface of the bottom plate 9.

[0027] The upper surface of the bottom plate 9 is fixedly connected to the lower surface of the U-shaped plate 1. A slide groove 10 is provided on the upper surface of the bottom plate 9. Two sliders 11 are slidably connected in the slide groove 10. By setting the slider 11 and the slide groove 10, because the shapes of the slider 11 and the slide groove 10 are both set to T-shaped, the slider 11 will not shake when moving in the slide groove 10, and the slider 11 will not be separated from the slide groove 10, so that the baffle 13 is more stable when moving back and forth. The baffle 13 is fixedly connected to the upper surface of the slider 11, and the opposite surfaces of the two sliders 11 are fixedly connected to the two ends of the bidirectional hydraulic cylinder 12 respectively. A first card groove 19 is provided on the back of the round roller 7, and a first card is provided in the first card groove 19. Block 18, the back side of the first clamping block 18 is fixedly connected to the front side of the first push plate 17, the front side of the first push plate 17 is overlapped with the back side of the round roller 7, the back side of the first push plate 17 is fixedly connected with the first rotating shaft 16, by setting the first bearing 15 and the second bearing 24, when the output shaft of the motor 142 drives the round roller 7 to rotate through the first rotating shaft 16 and the first push plate 17, because the shapes of the first clamping block 18, the second clamping block 21, the first clamping groove 19 and the second clamping groove 20 are all set to be rectangular, the round roller 7 is more stable when it is wrapped around the carpet body 3, the first rotating shaft 16 is sleeved in the first bearing 15, and the first bearing 15 is clamped on the front side of the rear baffle 13.

[0028] One end of the back side of the first rotating shaft 16 is fixedly connected with a driving device 14, and the driving device 14 includes a motor 142. The lower surface of the motor 142 body is fixedly connected to the upper surface of the fixing plate 141, and the front side of the fixing plate 141 is fixedly connected to the back side of the baffle 13. The output shaft of the motor 142 is fixedly connected to one end of the back side of the first rotating shaft 16, and the front side of the driving device 14 is fixedly connected to the back side of the rear baffle 13. A second card slot 20 is provided on the front side of the round roller 7, and a second card block 21 is provided in the second card slot 20. By providing the first card block 18 and the second card block 21, when the round roller 7 needs to be removed, the bidirectional hydraulic cylinder 12 is controlled to work, so that the two ends of the bidirectional hydraulic cylinder 12 are extended and the two sliders 11 are driven to move forward and backward, so that the first card block 18 The second clamping block 21 is respectively disengaged from the first clamping slot 19 and the second clamping slot 20, so that the round roller 7 falls on the supporting plate 81, which makes it more convenient for the staff to remove the round roller 7. The front side of the second clamping block 21 is fixedly connected to the back side of the second push plate 22, and the back side of the second push plate 22 overlaps the front side of the round roller 7. The front side of the second push plate 22 is fixedly connected with the second rotating shaft 23. By setting the blind 25, the heat generated by the electromagnetic heating roller 2 will not be quickly dissipated outside the U-shaped plate. By setting the collecting groove 26, because the carpet body 3 is wrapped around the electromagnetic heating roller 2, some glue and paint remaining on the carpet body 3 will fall into the collecting groove 26, thereby avoiding the waste of glue and paint. The second rotating shaft 23 is sleeved in the second bearing 24, and the second bearing 24 is clamped on the back side of the front baffle 13.

[0029] The operating steps of the present invention are:

[0030] S1. When the carpet body 3 needs to be dried, the motor 142 is controlled to work, so that the output shaft of the motor 142 drives the first rotating shaft 16 to rotate, so that the first rotating shaft 16 drives the round roller 7 to rotate, so that the round roller 7 wraps around the carpet body 3, and the four electromagnetic heating rollers 2 are controlled to work, so that the four electromagnetic heating rollers 2 generate heat and dry the carpet body 3;

[0031] S2. Since the carpet body 3 is located in the cylinder 51, the fan 4 is controlled to work so that wind enters the cavity 52 and is ejected from each nozzle 53, so that the ejected wind effectively cools the carpet body 3;

[0032] S3. When the round roller 7 needs to be removed, the two-way hydraulic cylinder 12 is controlled to work, so that the two ends of the two-way hydraulic cylinder 12 are extended and drive the two sliders 11 to move forward and backward, so that the two sliders 11 respectively drive the two baffles 13 to move forward and backward, so that the first push plate 17 and the second push plate 22 respectively drive the first clamping block 18 and the second clamping block 21 to move forward and backward, so that the first clamping block 18 and the second clamping block 21 are respectively disengaged from the first clamping groove 19 and the second clamping groove 20, so that the round roller 7 falls on the support plate 81.

[0033] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drying and winding device for processing a car trunk carpet, comprising a U-shaped plate (1), characterized in that: The front and back sides of the inner wall of the U-shaped plate (1) are provided with the same electromagnetic heating roller (2); the outer surface of the electromagnetic heating roller (2) is wrapped with a carpet body (3); the carpet body (3) is located in the cooling device (5); the lower surface of the cooling device (5) is fixedly connected to the upper surface of the bottom plate (9); the upper surface of the bottom plate (9) is fixedly connected to a fan (4); the air outlet of the fan (4) is connected to the lower surface of the cooling device (5); the carpet body (3) is wrapped around the outer surface of a pulley (6); the bottom end of the pulley (6) is fixedly connected to the upper surface of the bottom plate (9); the carpet body (3) is wrapped around the outer surface of a round roller (7); the lower surface of the round roller (7) is overlapped with the upper surface of a supporting device (8); the bottom end of the supporting device (8) is fixedly connected to the upper surface of the bottom plate (9); The upper surface of the bottom plate (9) is fixedly connected to the lower surface of the U-shaped plate (1), the upper surface of the bottom plate (9) is provided with a slide groove (10), two sliders (11) are slidably connected in the slide groove (10), the upper surface of the slider (11) is fixedly connected with a baffle (13), and the opposite surfaces of the two sliders (11) are respectively fixedly connected to the two ends of the bidirectional hydraulic cylinder (12), the back of the round roller (7) is provided with a first clamping groove (19), the first clamping block (18) is arranged in the first clamping groove (19), the back of the first clamping block (18) is fixedly connected to the front of the first push plate (17), the front of the first push plate (17) overlaps the back of the round roller (7), the back of the first push plate (17) is fixedly connected to the first rotating shaft (16), the first rotating shaft (16) is sleeved in the first bearing (15), and the first bearing (15) is clamped on the front of the rear baffle (13); One end of the back side of the first rotating shaft (16) is fixedly connected to a driving device (14), the front side of the driving device (14) is fixedly connected to the back side of the rear baffle (13), the front side of the round roller (7) is provided with a second clamping groove (20), a second clamping block (21) is arranged in the second clamping groove (20), the front side of the second clamping block (21) is fixedly connected to the back side of the second push plate (22), the back side of the second push plate (22) overlaps the front side of the round roller (7), the front side of the second push plate (22) is fixedly connected to a second rotating shaft (23), the second rotating shaft (23) is sleeved in a second bearing (24), and the second bearing (24) is clamped to the back side of the front baffle (13); The cooling device (5) comprises a cylinder (51), the lower surface of the cylinder (51) is fixedly connected to the upper surface of the bottom plate (9), a cavity (52) is arranged in the cylinder (51), a plurality of nozzles (53) are arranged on the inner surface of the cylinder (51), the bottom end of the nozzle (53) is connected to the cavity (52), the lower surface of the cylinder (51) is connected to the air outlet of the fan (4), and the number of the electromagnetic heating rollers (2) is four; The left and right sides of the U-shaped plate (1) are both provided with blinds (25), the lower surface of the blinds (25) overlaps the upper surface of the bottom plate (9), the support device (8) comprises an electric push rod (82), the number of the electric push rods (82) is two, the bottom ends of the two electric push rods (82) are fixedly connected to the upper surface of the bottom plate (9), and the top ends of the two electric push rods (82) are fixedly connected to the lower surface of the support plate (81), the upper surface of the support plate (81) overlaps the lower surface of the round roller (7), and the upper surface of the bottom plate (9) overlaps the lower surface of the collecting tank (26); The front side of the U-shaped plate (1) is fixedly connected to a power source (27), and the front side of the power source (27) is fixedly connected to the back sides of the first switch (28), the second switch (29), the third switch (30), the fourth switch (31), and the fifth switch (32); The output end of the power supply (27) is electrically connected to the input ends of the first switch (28), the second switch (29), the third switch (30), the fourth switch (31) and the fifth switch (32) through wires, and the output ends of the first switch (28), the second switch (29), the third switch (30), the fourth switch (31) and the fifth switch (32) are electrically connected to the input ends of the electromagnetic heating roller (2), the fan (4), the motor (142), the electric push rod (82) and the bidirectional hydraulic cylinder (12) through wires; The working process of the drying and winding device for processing the car trunk carpet is as follows: S1. When the carpet body (3) needs to be dried, the motor (142) is controlled to operate so that the output shaft of the motor (142) drives the first rotating shaft (16) to rotate, so that the first rotating shaft (16) drives the round roller (7) to rotate, so that the round roller (7) wraps around the carpet body (3), and the four electromagnetic heating rollers (2) are controlled to operate so that the four electromagnetic heating rollers (2) generate heat and dry the carpet body (3); S2, since the carpet body (3) is located in the cylinder (51), the fan (4) is controlled to operate so that wind enters the cavity (52) and is ejected from each nozzle (53), so that the ejected wind effectively cools the carpet body (3); S3. When the round roller (7) needs to be removed, the bidirectional hydraulic cylinder (12) is controlled to work, so that the two ends of the bidirectional hydraulic cylinder (12) extend and drive the two sliders (11) to move forward and backward, so that the two sliders (11) respectively drive the two baffles (13) to move forward and backward, so that the first push plate (17) and the second push plate (22) respectively drive the first clamping block (18) and the second clamping block (21) to move forward and backward, so that the first clamping block (18) and the second clamping block (21) are respectively separated from the first clamping groove (19) and the second clamping groove (20), so that the round roller (7) falls on the support plate (81).

2. The drying and winding device for processing a car trunk carpet according to claim 1, characterized in that: The driving device (14) comprises a motor (142), the lower surface of the motor (142) body being fixedly connected to the upper surface of the fixing plate (141), the front surface of the fixing plate (141) being fixedly connected to the back surface of the baffle (13), and the output shaft of the motor (142) being fixedly connected to one end of the back surface of the first rotating shaft (16).

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