High-rotating-speed and high-power cutting machine output shaft

Abstract

The utility model provides an output shaft of a high-rotating-speed high-power cutting machine, which relates to the technical field of air purifiers, and comprises a connecting seat and a functional mechanism, one end of the connecting seat is provided with a baffle ring, the other end of the baffle ring is provided with a clamping position, the other end of the clamping position is provided with a mounting seat, the other end of the mounting seat is provided with an extension section, and the extension section is connected with the functional mechanism. The other end of the extension section is provided with an installation shaft, the other end of the installation shaft is provided with a functional mechanism, the nut is matched with the inner ring and arranged on the outer side of the installation shaft in a sleeving mode, and the fastening screw is screwed into the contact position of the nut and the inner ring, so that the fastening performance of the nut is improved, and the phenomenon that the blade flies out due to looseness of the nut during working is avoided; the clamping shaft is retracted through the first spring, the limiting bolt is inserted into the safety hole to fix the clamping shaft, meanwhile, the rotating speed of the falling blade is reduced through contact between the limiting column and the blade, harm caused by falling of the blade is reduced, and life safety of a user is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of output shafts of cutting machines, in particular to an output shaft of a high-speed and high-power cutting machine. Background Art

[0002] The output shaft of the cutting machine is a mechanical transmission component, usually located in the active transmission system of the cutting machine. Its function is to transmit the power and torque transmitted by the motor or other power source to the cutting tool or other working parts, so as to achieve the function of cutting, trimming or processing the workpiece. The quality of the output shaft directly affects the performance, work efficiency and life, health and safety of the staff of the cutting machine.

[0003] After searching, the patent number "CN210715540U" provides "The utility model discloses a short output shaft of a gearbox, including a short output shaft body 1, characterized in that: one end of the short output shaft body 1 is connected to a first shaft 2 and a second shaft 3 in sequence; the short output shaft body 1 is connected to the first shaft 2 and the second shaft 3 to form an integral structure; the other end of the short output shaft body 1 is connected to a first step 4, a second step 5, and a third step 6 in sequence; the third step 6 is connected to a chamfered body 9; the other end of the chamfered body 9 is connected to a connecting shaft 8; the connecting shaft 8 is connected to a fourth step 7, The short output shaft of the gearbox of the utility model has the advantages of good structural strength, short production cycle and low production cost. When in use, the multi-axis and multi-step arrangement of the output shaft makes it have the advantages of short production cycle and low production cost. However, when in use, the device is not provided with a protective device for the connection of the transmission shaft, which makes it easy for the output terminal mechanism to fly out due to excessive torque and vibration during operation, thereby destroying the mechanical structure and bringing danger to the staff. The protection of the device during operation is poor, which is easy to cause damage to the surrounding machinery and threaten the life safety of the staff.

[0004] Therefore, we provide a high-speed and high-power cutting machine output shaft to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-speed and high-power cutting machine output shaft to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an output shaft of a high-speed and high-power cutting machine, comprising a connecting seat and a functional mechanism, a retaining ring is arranged at one end of the connecting seat, a clamping position is arranged at the other end of the retaining ring, a mounting seat is arranged at the other end of the clamping position, an extension section is arranged at the other end of the mounting seat, a mounting shaft is arranged at the other end of the extension section, and a functional mechanism is arranged at the other end of the mounting shaft;

[0007] The functional mechanism comprises a fastening component and a safety component. The other end of the installation shaft is sleeved with the fastening component, and the inner side of the clamping position is welded with the safety component.

[0008] Preferably, the fastening assembly includes an inner ring, a nut, a fastening screw, a clamping shaft, a limiting column and a first spring, one end of the mounting shaft is sleeved with the inner ring, the outer side of the inner ring is threadedly connected to the nut, and the fastening screw is threadedly connected to the connection between the nut and one end of the inner ring.

[0009] Preferably, a clamping shaft is sleeved on the inner side of the installation shaft, one end of the clamping shaft is clamped on a limiting column, and a first spring is sleeved on the middle section of the clamping shaft.

[0010] Preferably, the safety assembly comprises a safety hole, a safety cavity, a limit bolt, a second spring, a stopper and a rubber seat, the other end of the card shaft is provided with a safety hole, and the outer side of one end of the card shaft close to the safety hole is provided with a safety cavity.

[0011] Preferably, a limit bolt is sleeved on the inner side of the safety cavity, and a second spring is sleeved on the outer side of the limit bolt.

[0012] Preferably, a stopper is welded on the inner side of the clamping position, and a rubber seat is sleeved on the side of the stopper close to the clamping shaft.

[0013] Preferably, the connecting seat, retaining ring, retaining position, mounting seat, extension section and mounting shaft are integrally cast, and the inner diameter of the safety hole is consistent with the outer diameter of the limiting bolt.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The output shaft of the high-speed and high-power cutting machine is provided with a functional mechanism, and the fastening assembly is used to fasten the nut as the first insurance to prevent the blade from flying out. The insurance assembly is used as the second insurance. When the blade loosens and falls off, the blade speed is reduced and the blade is fixed to avoid damage caused by the blade flying out.

[0016] 2. By matching the nut with the inner ring and sleeved on the outside of the installation shaft, the fastening screw is screwed into the contact point between the nut and the inner ring to increase the tightness of the nut, and avoid the nut loosening during work and causing the blade to fly out. When the nut is loose, the clamping shaft is retracted by the first spring, and the limit bolt is inserted into the safety hole to complete the fixation of the clamping shaft. At the same time, the contact between the limit column and the blade reduces the rotation speed of the falling blade, reduces the harm caused by the blade falling off, and protects the life safety of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model from the front perspective;

[0018] Figure 2 This is a schematic diagram of the appearance structure of the utility model from the left side perspective;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 It is a schematic cross-sectional structure diagram of the matching installation shaft and the limiting column of the utility model.

[0021] Numbers in the figure: 1. connecting seat; 2. retaining ring; 3. clamping position; 4. mounting seat; 5. extension section; 6. mounting shaft; 7. functional mechanism; 71. fastening assembly; 711. inner ring; 712. nut; 713. fastening screw; 714. clamping shaft; 715. limiting column; 716. first spring; 72. safety assembly; 721. safety hole; 722. safety cavity; 723. limiting bolt; 724. second spring; 725. stopper; 726. rubber seat. DETAILED DESCRIPTION

[0022] See also Figure 1-4 The utility model provides a technical solution: an output shaft of a high-speed and high-power cutting machine, comprising a connecting seat 1 and a functional mechanism 7, a retaining ring 2 is arranged at one end of the connecting seat 1, a clamping position 3 is arranged at the other end of the retaining ring 2, a mounting seat 4 is arranged at the other end of the clamping position 3, an extension section 5 is arranged at the other end of the mounting seat 4, a mounting shaft 6 is arranged at the other end of the extension section 5, and a functional mechanism 7 is arranged at the other end of the mounting shaft 6;

[0023] The functional mechanism 7 includes a fastening component 71 and a safety component 72 . The other end of the mounting shaft 6 is sleeved with the fastening component 71 , and the inner side of the clamping position 3 is welded with the safety component 72 .

[0024] Furthermore, the fastening assembly 71 includes an inner ring 711, a nut 712, a fastening screw 713, a clamping shaft 714, a limiting column 715 and a first spring 716. The inner ring 711 is sleeved on one end of the mounting shaft 6, and the outer side of the inner ring 711 is threadedly connected to the nut 712, and the fastening screw 713 is threadedly connected at the connection between the nut 712 and one end of the inner ring 711. The clamping shaft 714 is sleeved on the inner side of the mounting shaft 6, and one end of the clamping shaft 714 is clamped on the limiting column 715, and the middle section of the clamping shaft 714 is sleeved with the first spring 716. The inner ring 711 is sleeved on the outer side of the mounting shaft 6, and the fastening screw 713 is connected to the contact point between the inner ring 711 and the nut 712 to complete the fixation of the clamping shaft 714 and the mounting shaft 6 to prevent the blade from flying out during rotation.

[0025] When the locking cam 720 is in the closed position, the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 720 is in the closed position, and the locking cam 7

[0026] Furthermore, the connecting seat 1, the retaining ring 2, the retaining position 3, the mounting seat 4, the extension section 5 and the mounting shaft 6 are cast as one piece, and the inner diameter of the safety hole 721 is consistent with the outer diameter of the limit bolt 723. The connecting seat 1, the retaining ring 2, the retaining position 3, the mounting seat 4, the extension section 5 and the mounting shaft 6 cast as one piece have a good mechanical structure to avoid breakage due to huge torque during operation.

[0027] Working principle: First, move the output shaft of a high-speed and high-power cutting machine to the working position. In the first step, connect the connecting seat 1 to the cutting machine base, install the gear to the card position 3, use the extension section 5 as the intersection with the cutting machine housing, and install the cutting blade at the installation shaft 6. In the second step, sleeve the inner ring 711 on the outside of the installation shaft 6, and connect the inner ring 711 and the nut 712 at the contact point by tightening the screw 713 to complete the fixation of the card shaft 714 and the installation shaft 6 to prevent the nut 712 from falling off due to the huge torque during the cutting operation, causing the blade to fly out. In the third step, when the nut 712 is loose, the card shaft When 714 is relaxed, the elastic force is released by the first spring 716 to tighten the card shaft 714 into the installation shaft 6. In the fourth step, at the same time, the position of the safety hole 721 and the limit bolt 723 remain corresponding, and the limit bolt 723 is rebounded into the safety hole 721 to complete the limit fixation of the card shaft 714. In the fifth step, the fixation of the cutting machine blade is completed at the same time to prevent the blade from flying out. The card shaft 714 hits the rubber seat 726 to complete the buffering. In the sixth step, at this time, the limit column 715 is attached to the surface of the blade to complete the deceleration of the loose blade to prevent the blade from flying out. In this way, the use process of the output shaft of a high-speed and high-power cutting machine is completed.

Claims

1. An output shaft of a high-speed and high-power cutting machine, comprising a connecting seat (1) and a functional mechanism (7), characterized in that: A retaining ring (2) is provided at one end of the connecting seat (1), a locking position (3) is provided at the other end of the retaining ring (2), a mounting seat (4) is provided at the other end of the locking position (3), an extension section (5) is provided at the other end of the mounting seat (4), a mounting shaft (6) is provided at the other end of the extension section (5), and a functional mechanism (7) is provided at the other end of the mounting shaft (6); The functional mechanism (7) comprises a fastening component (71) and a safety component (72); the other end of the installation shaft (6) is sleeved with the fastening component (71); and the inner side of the clamping position (3) is welded with the safety component (72).

2. The high-speed and high-power cutting machine output shaft according to claim 1, characterized in that: The fastening assembly (71) comprises an inner ring (711), a nut (712), a fastening screw (713), a clamping shaft (714), a limiting column (715) and a first spring (716); one end of the mounting shaft (6) is sleeved with the inner ring (711); the outer side of the inner ring (711) is threadedly connected to the nut (712); and the fastening screw (713) is threadedly connected to the connection between the nut (712) and one end of the inner ring (711).

3. The high-speed and high-power cutting machine output shaft according to claim 1, characterized in that: A clamping shaft (714) is sleeved on the inner side of the installation shaft (6), one end of the clamping shaft (714) is clamped on a limiting column (715), and a first spring (716) is sleeved on the middle section of the clamping shaft (714).

4. The high-speed and high-power cutting machine output shaft according to claim 3, characterized in that: The safety assembly (72) comprises a safety hole (721), a safety cavity (722), a stopper bolt (723), a second spring (724), a stopper (725) and a rubber seat (726); the other end of the clamping shaft (714) is provided with a safety hole (721); and the outer side of one end of the clamping shaft (714) close to the safety hole (721) is provided with a safety cavity (722).

5. The high-speed and high-power cutting machine output shaft according to claim 4, characterized in that: The inner side of the safety cavity (722) is sleeved with a limit bolt (723), and the outer side of the limit bolt (723) is sleeved with a second spring (724).

6. The high-speed and high-power cutting machine output shaft according to claim 1, characterized in that: A stopper (725) is welded on the inner side of the clamping position (3), and a rubber seat (726) is sleeved on a side of the stopper (725) close to the clamping shaft (714).

7. The high-speed and high-power cutting machine output shaft according to claim 4, characterized in that: The connecting seat (1), the retaining ring (2), the retaining position (3), the mounting seat (4), the extension section (5) and the mounting shaft (6) are integrally cast, and the inner diameter of the safety hole (721) is consistent with the outer diameter of the limit bolt (723).

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