CN215702496U

CN215702496U - Power recovery mechanism of circular sawing machine

Info

Publication number: CN215702496U
Application number: CN202121317973.XU
Authority: CN
Inventors: 吕俊; 吕凌俊; 项坚冰
Original assignee: Zhejiang Jinsong Precision Manufacturing Co ltd
Current assignee: Zhejiang Jinsong Precision Manufacturing Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-02-01
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of circular sawing machines, in particular to a power recovery mechanism of a circular sawing machine, which comprises a transmission, a motor and a saw blade, the output shaft of the motor is connected with the input shaft of the speed changer, the saw blade is fixed at the first end of the output shaft of the speed changer, the utility model detects the current condition of the motor and controls the power switching component to work through the control unit, when the motor stops driving, the power connection between the output shaft of the transmission and the energy recovery rotating shaft is realized by utilizing the power switching component, further inputting the energy of the saw blade rotation into the flywheel for storage, when the motor is started instantly, feeding back the energy in the flywheel to the saw blade, meanwhile, the connection between the output shaft of the transmission and the energy recovery rotating shaft is cut off, so that the energy recovery is realized, and the loss of electric energy is reduced.

Description

Power recovery mechanism of circular sawing machine

Technical Field

The utility model relates to the technical field of circular sawing machines, in particular to a power recovery mechanism of a circular sawing machine.

Background

A circular sawing machine is mainly used for cutting and processing wood and metal sections.

Among the prior art, the circular sawing machine has driving motor, the derailleur, the saw bit, parts such as protection casing constitute, the switching of control driving motor that the circular sawing machine needs frequently at the during operation, and then the processing of completion shaping material, the circular sawing machine is strong in the operating current when stable at the required electric current in the twinkling of an eye that starts, the circular sawing machine is when stopping drive, the saw bit continues to rotate certain time quantum under the inertia effect, cause the waste of the energy easily, saw bit pivoted energy does not carry out further collection when stopping process to the circular sawing machine among the prior art, cause the loss of energy, how to design a power recovery machine that retrieves circular sawing machine stopping process energy constitutes the technical problem that the skilled person in the field waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a power recovery mechanism for a circular saw machine, which has the advantages of recovering energy during the shutdown process of the circular saw machine and reducing the energy loss.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a power recovery mechanism of circular sawing machine, includes derailleur, motor, saw bit, the output shaft of motor with the input shaft of derailleur is connected, the saw bit is fixed the first end of the output shaft of derailleur, a side end face of derailleur is fixed and is equipped with the energy recovery casing, energy recovery casing inner wall rotates and is equipped with the energy recovery pivot, be equipped with the flywheel that is used for retrieving the energy in the energy recovery pivot, the second end of the output shaft of derailleur extends to inside the energy recovery casing, the inside energy recovery casing that is equipped with is used for switching the output shaft of derailleur with the power switching module of energy recovery pivot, be equipped with on the energy recovery casing and be used for detecting the control unit that motor power supply signal and control power switching module switched.

The control unit detects the current condition of the motor and controls the power switching assembly to work, when the motor stops driving, the power switching assembly is utilized to realize power connection between the output shaft of the speed changer and the energy recovery rotating shaft, further, the energy rotated by the saw blade is input into the flywheel for storage, when the motor is started instantly, the energy in the flywheel is fed back to the saw blade, meanwhile, the connection between the output shaft of the speed changer and the energy recovery rotating shaft is cut off, and the energy recovery is realized while the loss of electric energy is reduced.

Furthermore, a partition board for dividing the space into two parts is arranged in the energy recovery casing, one space is a vacuum cavity, the other space is a power switching cavity, the energy recovery rotating shaft penetrates through the partition board, and the flywheel is located in the vacuum cavity.

Furthermore, the power switching assembly comprises a power connecting mechanism, a driving mechanism for driving the power connecting mechanism to switch, a driving gear and a driven gear, the second end of the output shaft of the transmission is located in the power switching cavity and is rotationally connected with the end face of the partition plate, the driving gear is fixed to the second end of the output shaft of the transmission, and the driven gear is fixed to an energy recovery rotating shaft in the power switching cavity.

Furthermore, power switching grooves are formed in the inner wall of the power switching cavity and the partition plate, the power connecting mechanism comprises an armature slider, a power switching shaft and a power switching gear, the armature slider slides in the power switching grooves, two ends of the power switching shaft are respectively connected with the armature sliders on two sides in a rotating mode, and the power switching gear is fixed to the power switching rotating shaft and used for power transmission between the driving gear and the driven gear.

Further, actuating mechanism includes electromagnetism piece, wire, spring, power supply module fixes on the energy recuperation casing, the electromagnetism piece is fixed power switching groove top, wire one end with electromagnetism piece electric connection, the second end of wire with power supply module connects, the spring is located between electromagnetism piece and the armature slider, the spring both ends respectively with the electromagnetism piece and armature slider fixed connection.

Furthermore, a signal detection line for transmitting current signals is arranged between the control unit and the motor, and a signal control line for controlling the power supply assembly to release electric energy is arranged between the control unit and the power supply assembly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic structural diagram of B-B in FIG. 3;

FIG. 5 is a schematic view of the structure of C-C in FIG. 4;

fig. 6 is an enlarged schematic view of D in fig. 5.

Reference numerals: 11. a transmission; 12. a motor; 13. an energy recovery enclosure; 14. an output shaft of the transmission; 15. a saw blade; 16. a partition plate; 17. a vacuum chamber; 18. a power switching chamber; 19. a driving gear; 20. an energy recovery shaft; 21. a flywheel; 22. a driven gear; 23. a power switching slot; 24. an armature slider; 25. a power switching shaft; 26. a power switching gear; 27. an electromagnetic block; 28. a return spring; 29. a wire; 30. a control unit; 31. a signal detection line; 32. a power supply component; 33. and a signal control line.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Example (b):

referring to fig. 1 and 6, the present embodiment provides a power recovery mechanism of a circular saw machine, mainly power recovery of the circular saw machine.

The motor comprises a transmission 11, a motor 12 and a saw blade 15, wherein an output shaft of the motor 12 is connected with an input shaft of the transmission 11, two output ends of the transmission 11 are provided, and the saw blade 15 is fixed at a first end of an output shaft 14 of the transmission, and the motor is characterized in that: an energy recovery casing 13 is fixedly arranged on one side end face of the transmission 11, an energy recovery rotating shaft 20 is rotatably arranged on the inner wall of the energy recovery casing 13, a flywheel 21 for recovering energy is arranged on the energy recovery rotating shaft 20, a second end of an output shaft 14 of the transmission extends into the energy recovery casing 13, a power switching assembly for switching the output shaft 14 of the transmission and the energy recovery rotating shaft 20 is arranged in the energy recovery casing 13, and the power switching assembly is divided into two states, one of which is: the power switching assembly links the output shaft 14 of the transmission with the energy recovery rotating shaft 20, and the second is: the power switching component disconnects the linkage between the output shaft 14 of the transmission and the energy recovery rotating shaft 20, and the energy recovery casing 13 is provided with a control unit 30 for detecting a power supply signal of the motor 12 and controlling the switching of the power switching component.

Specifically, the method comprises the following steps: the control unit 30 is internally provided with a detection unit for detecting the current condition of the motor 12, and is also provided with a controller for controlling the switching of the power assembly.

In order to reduce the consumption of the kinetic energy of the flywheel 21, as shown in fig. 2 and fig. 5, a partition 16 dividing a space into two parts is disposed inside the energy recovery casing 13, one of the spaces is a vacuum chamber 17, the other space is a power switching chamber 18, the energy recovery rotating shaft 20 penetrates through the partition 16, and the flywheel 21 is located inside the vacuum chamber 17, thereby achieving the effect of reducing the energy loss of the flywheel 21.

In order to realize the linkage switching between the output shaft 14 of the transmission and the energy recovery rotating shaft 20, in this embodiment, as shown in fig. 2 and fig. 6, the power switching assembly includes a power connection mechanism, a driving mechanism for driving the power connection mechanism to switch, a driving gear 19, and a driven gear 22, a second end of the output shaft 14 of the transmission is located inside the power switching cavity 18 and is rotatably connected with an end surface of the partition 16, the driving gear 19 is fixed on the second end of the output shaft 14 of the transmission, and the driven gear 22 is fixed on the energy recovery rotating shaft 20 inside the power switching cavity 18.

With the arrangement, the driving mechanism controls the position of the power connection mechanism to switch, and further controls the power connection state between the driven gear 22 and the driving gear 19 through the power connection mechanism.

In order to realize the power transmission between the output shaft 14 of the transmission and the energy recovery rotating shaft 20, in this embodiment, as shown in fig. 4 and fig. 6, the power switching grooves 23 are formed in the inner wall of the power switching cavity 18 and the partition plate 16, the power connecting mechanism includes an armature slider 24, a power switching shaft 25, and a power switching gear 26, the armature slider 24 slides inside the power switching groove 23, two ends of the power switching shaft 25 are respectively rotatably connected with the armature sliders 24 at two sides, and the power switching gear 26 is fixed on the power switching rotating shaft 25 for the power transmission between the driving gear 19 and the driven gear 22.

With the above arrangement, the armature slider 24 slides inside the power switching groove 23, and further, the power switching shaft 25 and the power switching gear 26 are driven to move synchronously, and further, the linkage relationship between the driving gear 19 and the driven gear 22 can be controlled.

In order to realize the position change of the power connection mechanism, in this embodiment, as shown in fig. 3 and 6, the driving mechanism includes an electromagnetic block 27, a wire 29, a spring 28, and a power supply assembly 32, the power supply assembly 32 is fixed on the energy recovery casing 13, the electromagnetic block 27 is fixed on the top of the power switching groove 23, one end of the wire 29 is electrically connected to the electromagnetic block 27, the second end of the wire 29 is connected to the power supply assembly 32, the spring 28 is located between the electromagnetic block 27 and the armature slider 24, and two ends of the spring 28 are respectively fixedly connected to the electromagnetic block 27 and the armature slider 24.

Through the arrangement, when the power supply assembly 32 supplies power to the electromagnetic block 27 through the lead 29, the electromagnetic block 27 generates magnetic force, and further attracts the armature slider 24 to slide along the power switching groove 23 and compress the spring 28, so as to drive the power switching shaft 25 and the power switching gear 26 to move and break the engagement with the driving gear 19 and the driven gear 22, when the power supply assembly 32 is disconnected and supplies power to the electromagnetic block 27, the magnetic force disappears, at this time, the armature slider 24 slides along the power switching groove 23 under the elastic force of the spring 28, and further drives the power switching gear 26 to engage with the driving gear 19 and the driven gear 22, so as to realize the power transmission between the output shaft 14 of the transmission and the energy recovery rotating shaft 20, and further store the kinetic energy of the continuous rotation of the saw blade 15 into the flywheel 21.

In order to detect the current of the motor 12 and control the power switching module, in the present embodiment, as shown in fig. 1 and 3, a signal detection line 31 for transmitting a current signal is provided between the control unit 30 and the motor 12, and a signal control line 33 for controlling the power supply module 32 to discharge electric power is provided between the control unit 30 and the power supply module 32.

Through the above arrangement, the detection unit detects the current inside the motor 12, and then transmits the signal to the inside of the control unit 30 through the signal detection line 31, at this time, the control unit 30 controls the power switching assembly to work through the controller, and then controls the power connection relationship between the output shaft 14 of the transmission and the energy recovery rotating shaft 20.

The implementation principle is as follows: firstly, the detection unit detects that the motor 12 stops running, at the moment, the saw blade 15 continuously rotates under the action of inertia force, the detection unit transmits a signal to the inside of the control unit 30 through the signal detection line 31, at the moment, a controller in the control unit 30 controls the power supply assembly 32 to be disconnected and supply power to the electromagnetic block 27 through the control signal line 33, at the moment, the spring 28 pushes the armature slider 24 to move and controls the power switching gear 26 to be meshed with the driving gear 19 and the driven gear 22, further, the power transmission between the output shaft 14 of the transmission and the energy recovery rotating shaft 20 is realized, at the moment, the energy rotated by the saw blade is transmitted to the energy recovery rotating shaft 20, the flywheel 21 rotates and recovers and stores the energy, when the motor 12 is driven, the detection unit detects that the current flows in the motor 12, further, the signal is transmitted to the control unit 30, and further, the power supply assembly can be controlled to supply power to the electromagnetic block 27, at this time, the magnetic field is generated to attract the armature slider 24 to move and compress the spring 28, so that the power switching gear 26 is driven to move upwards and the power transmission between the driving gear 19 and the driven gear 22 is disconnected, and when the motor 12 is electrified again, the saw blade 15 is in a continuous rotation state at this time, so that the motor 12 can drive the saw blade 15 to rotate in a state of small instant starting current, the energy recycling in the stopping process of the saw blade 15 is realized, and the consumption of electric energy is reduced.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims

1. The utility model provides a power recovery mechanism of circular sawing machine, includes derailleur (11), motor (12), saw bit (15), the output shaft of motor (12) with the input shaft of derailleur (11) is connected, saw bit (15) are fixed the first end of the output shaft (14) of derailleur, its characterized in that: the fixed energy recuperation casing (13) that is equipped with of a side end face of derailleur (11), energy recuperation casing (13) inner wall rotates and is equipped with energy recuperation pivot (20), be equipped with flywheel (21) that are used for retrieving the energy on energy recuperation pivot (20), the second end of the output shaft (14) of derailleur extends to inside energy recuperation casing (13), inside being equipped with of energy recuperation casing (13) is used for switching output shaft (14) of derailleur with the power switching component of energy recuperation pivot (20), be equipped with on energy recuperation casing (13) and be used for detecting control unit (30) that motor (12) power supply signal and control power switching component switch.

2. The power recovery mechanism for a circular saw machine as claimed in claim 1, wherein: the energy recovery device is characterized in that a partition plate (16) for dividing a space into two parts is arranged in the energy recovery machine shell (13), one space is a vacuum cavity (17), the other space is a power switching cavity (18), the energy recovery rotating shaft (20) penetrates through the partition plate (16), and the flywheel (21) is located in the vacuum cavity (17).

3. The power recovery mechanism for a circular saw machine as claimed in claim 2, wherein: the power switching assembly comprises a power connecting mechanism, a driving mechanism used for driving the power connecting mechanism to switch, a driving gear (19) and a driven gear (22), the second end of an output shaft (14) of the speed changer is located inside the power switching cavity (18) and is rotationally connected with the end face of the partition plate (16), the driving gear (19) is fixed to the second end of the output shaft (14) of the speed changer, and the driven gear (22) is fixed to an energy recovery rotating shaft (20) inside the power switching cavity (18).

4. The power recovery mechanism for a circular saw machine as claimed in claim 3, wherein: the power switching mechanism is characterized in that power switching grooves (23) are formed in the inner wall of the power switching cavity (18) and the partition plate (16), the power connecting mechanism comprises armature sliders (24), a power switching shaft (25) and power switching gears (26), the armature sliders (24) slide in the power switching grooves (23), two ends of the power switching shaft (25) are rotatably connected with the armature sliders (24) on two sides respectively, and the power switching gears (26) are fixed on the power switching shaft (25) and used for power transmission between the driving gear (19) and the driven gear (22).

5. The power recovery mechanism for a circular saw machine as claimed in claim 4, wherein: actuating mechanism includes electromagnetism piece (27), wire (29), spring (28), power supply module (32) are fixed on energy recuperation casing (13), electromagnetism piece (27) are fixed power switching groove (23) top, wire (29) one end with electromagnetism piece (27) electric connection, the second end of wire (29) with power supply module (32) are connected, spring (28) are located between electromagnetism piece (27) and armature slider (24), spring (28) both ends respectively with electromagnetism piece (27) and armature slider (24) fixed connection.

6. The power recovery mechanism for a circular saw machine as claimed in claim 5, wherein: a signal detection line (31) for transmitting a current signal is arranged between the control unit (30) and the motor (12), and a signal control line (33) for controlling the power supply assembly (32) to release electric energy is arranged between the control unit (30) and the power supply assembly (32).