Built-in air-cooled electric roller

Abstract

The invention relates to the field of electric rollers, in particular to a built-in air-cooled electric roller which comprises side plates rotationally arranged on a fixed roller, and a roller body arranged between the two side plates; the motor output shaft is inserted into one fixing cylinder, and a driving gear is arranged on the motor output shaft; the speed reducing mechanism is arranged on the side plate and drives the side plate to rotate after reducing the speed of the output of the driving gear; and the fan blades are arranged on the output shaft of the motor and located in the fixing cylinder, a vent groove a is formed in the motor mounting frame, and a vent groove b is formed in the fixing cylinder on the other side. The fan blades are located on the output gear and located in the fixing cylinder, normal installation of the motor is not affected, the motor does not need an additional fixing structure, structure simplification is facilitated, air inlet and air outlet are both completed through the fixing cylinder, the fixing cylinder is fixed during working, the filter plate installed on the fixing cylinder can be cleaned or disassembled at any time, and the filter plate is convenient to use. The use is more convenient.

Description

Technical Field

[0001] The invention relates to the field of electric rollers, and in particular to a built-in air-cooled electric roller. Background Art

[0002] The electric drum is a new type of drive device that places the motor and reducer together inside the drum body. The existing electric drum has poor heat dissipation and cooling effect, which makes the internal temperature of the motor easily high, posing certain safety hazards and affecting the service life of the motor.

[0003] A Chinese patent with announcement number CN221633567U discloses a new type of planetary electric drum with built-in air cooling. A fan is provided. When the motor is running, the wind generated by the fan will blow in the direction of the motor. The motor is cooled by air cooling, so that the heat in the drum body is discharged through the air outlet. At the same time, external air can enter the drum body through the air inlet, thereby improving the flowability of the gas in the drum body. Air cooling replaces oil cooling, the internal structure is simple, and installation and maintenance are convenient.

[0004] However, the above-mentioned disclosed solutions have the following shortcomings: the fan is located between the motor and the reduction mechanism, the motor requires an additional support structure, the installation is complicated, and the air inlet and outlet are located on both sides of the rotating cylinder, which is easy to get dust in. If a filter is added, it is inconvenient to clean the filter while the electric drum is working. Summary of the invention

[0005] The purpose of the present invention is to propose a built-in air-cooled electric drum to solve the problems in the background technology that the workload of fixing and installing the motor is increased and the air inlet and outlet filters cannot be cleaned during work.

[0006] The technical solution of the present invention is: a built-in air-cooled electric drum, comprising two fixing frames, a fixing cylinder arranged on the fixing frames, a motor mounting frame arranged on the fixing cylinder, and a motor mounted by the two motor mounting frames; and further comprising: The side plates are rotatably arranged on the fixed cylinder, and the drum body is arranged between the two side plates; The motor output shaft is inserted into a fixed cylinder, and a driving gear is arranged on the motor output shaft; The speed reduction mechanism is arranged on the side plate, and reduces the speed of the output of the driving gear and then drives the side plate to rotate; And the fan blade is arranged on the motor output shaft and located in the fixed cylinder. The motor mounting frame is provided with a ventilation groove a, and the fixed cylinder on the other side is provided with a ventilation groove b.

[0007] Preferably, a bearing is arranged between the side plate and the fixing cylinder, and the bearing is a waterproof sealed bearing.

[0008] Preferably, filter plates are detachably arranged on the outermost sides of the two fixed cylinders, and handles are arranged on the outer sides of the filter plates.

[0009] Preferably, the filter plate is a circular plate, a plurality of ventilation slots are arranged side by side and equidistantly on the filter plate, and mutually matching threads are arranged on the outer circumference of the filter plate and the inner circumference of the fixing cylinder.

[0010] Preferably, the reduction mechanism includes a rotating shaft rotatably arranged on a motor mounting frame, a driven gear and an output gear arranged on the rotating shaft, and a ring gear connected to the side plate; the driven gear is meshed with the driving gear, an avoidance groove for the driven gear to pass through is arranged on the motor mounting frame, and the output gear is meshed with the ring gear.

[0011] Preferably, a connecting tube is arranged on the opposite end surfaces of the two side plates, a connecting ring is coaxially arranged on the connecting tube, and the connecting ring is connected to the gear ring.

[0012] Preferably, an inner ring is provided on the inner wall of the drum body, and a plurality of opposite through holes are provided on the inner ring and the side plate and are locked by bolts and nuts.

[0013] Preferably, the motor mounting frame is cylindrical and has flanges at both ends, the flanges on both sides are respectively connected to the motor and the fixed tube, a plurality of ventilation grooves a are arranged on the fixed tube, a plurality of ventilation grooves b are arranged on the fixed tube, and the ventilation grooves b are located between the side plate and the motor mounting frame.

[0014] Compared with the prior art, the present invention has the following beneficial technical effects: the fan blades are located on the output gear and in the fixed cylinder, which does not affect the normal installation of the motor. The motor does not require an additional fixing structure, which helps to simplify the structure. The air intake and exhaust are both completed through the fixed cylinder, and the fixed cylinder is stationary during operation. The filter plate installed on the fixed cylinder can be cleaned or disassembled at any time, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of an embodiment of the present invention; Figure 2 It is a schematic diagram of the internal structure of the drum body; Figure 3 for Figure 2 Schematic diagram of a partial structure cutaway; Figure 4 for Figure 3 A is an enlarged schematic diagram.

[0016] Figure numerals: 1. fixing frame; 2. fixing cylinder; 3. motor mounting frame; 4. motor; 5. side plate; 6. bearing; 7. connecting cylinder; 8. connecting ring; 9. drum body; 10. motor output shaft; 11. driving gear; 12. driven gear; 13. rotating shaft; 14. output gear; 15. gear ring; 16. fan blade; 17. ventilation groove a; 18. ventilation groove b; 19. filter plate; 20. handle. DETAILED DESCRIPTION

[0017] Embodiment 1 like Figure 1-Figure 4 As shown, the present invention provides a built-in air-cooled electric drum, comprising two fixing frames 1, a fixing cylinder 2 arranged on the fixing frames 1, a motor mounting frame 3 arranged on the fixing cylinder 2, and a motor 4 mounted by the two motor mounting frames 3; and further comprising: The side plates 5 are rotatably arranged on the fixed cylinder 2, and a drum body 9 is arranged between the two side plates 5; The motor output shaft 10 is inserted into a fixed cylinder 2, and a driving gear 11 is arranged on the motor output shaft 10; The speed reduction mechanism is arranged on the side plate 5, and reduces the speed of the output of the driving gear 11 to drive the side plate 5 to rotate; And the fan blades 16 are arranged on the motor output shaft 10 and located in the fixed cylinder 2. The motor mounting frame 3 is provided with a ventilation groove a17, and the fixed cylinder 2 on the other side is provided with a ventilation groove b18. The motor output shaft 10 drives the fan blades 16 to rotate, and the gas enters the fixed cylinder 2 from the outside, then flows out from the ventilation groove a17 and flows in the drum body 9, then passes through the ventilation groove b18, and finally flows out from the fixed cylinder 2 on the other side, thereby completing air cooling.

[0018] The outermost sides of the two fixed cylinders 2 are detachably provided with filter plates 19, and handles 20 are provided on the outer sides of the filter plates 19. The filter plates 19 are used to filter dust during air cooling, and the filter plates 19 are on the fixed cylinders 2, so the filter plates 19 can be cleaned or otherwise operated even during the rotation of the drum body 9.

[0019] Embodiment 2 like Figure 3-Figure 4 As shown, the present invention proposes a built-in air-cooled electric drum. Compared with the first embodiment, this embodiment introduces the structure of the speed reduction mechanism in detail.

[0020] The speed reduction mechanism includes a rotating shaft 13 rotatably arranged on the motor mounting frame 3, a driven gear 12 and an output gear 14 arranged on the rotating shaft 13, and a ring gear 15 connected to the side plate 5; the driven gear 12 is meshed with the driving gear 11, and an avoidance groove for the driven gear 12 to pass through is arranged on the motor mounting frame 3, and the output gear 14 is meshed with the ring gear 15. The speed of the driven gear 12 is lower than that of the driving gear 11, and the speed of the ring gear 15 is slower than that of the output gear 14, thereby achieving the purpose of speed reduction.

[0021] Furthermore, a connecting tube 7 is provided on the opposite end faces of the two side plates 5, a connecting ring 8 is coaxially provided on the connecting tube 7, and the connecting ring 8 is connected to the gear ring 15; specifically, an outer flange is provided on the gear ring 15, a plurality of relative through holes are provided on the outer flange and the connecting ring 8, and the flange and the connecting ring 8 are connected by bolts and nuts.

[0022] Embodiment 3 like Figure 1-Figure 4 As shown, the present invention proposes a built-in air-cooled electric drum. Compared with the first or second embodiment, this embodiment introduces the detailed structure in detail.

[0023] A bearing 6 is arranged between the side plate 5 and the fixed cylinder 2. The bearing 6 is a waterproof sealed bearing, such as a deep groove ball bearing with a sealing ring, a labyrinth seal bearing, a sealed roller bearing, etc. The filter plate 19 is a circular plate. A plurality of ventilation grooves are arranged side by side and equidistantly on the filter plate 19. Mutually matching threads are arranged on the outer circumference of the filter plate 19 and the inner circumference of the fixed cylinder 2. An inner ring is arranged on the inner wall of the drum body 9. A plurality of relative through holes are arranged on the inner ring and the side plate 5 and are locked by bolts and nuts. The motor mounting frame 3 is cylindrical and has flanges at both ends. The flanges on both sides are connected to the motor 4 and the fixed cylinder 2 respectively. A plurality of ventilation grooves a17 are arranged on the fixed cylinder 2. A plurality of ventilation grooves b18 are arranged on the fixed cylinder 2. The ventilation groove b18 is located between the side plate 5 and the motor mounting frame 3. Specifically, the ventilation groove b18 is located between the left connecting ring 8 and the left motor mounting frame 3.

[0024] In summary, when the present invention is in use, the motor 4 is started, the motor output shaft 10 drives the driving gear 11 to rotate, and then drives the ring gear 15 to rotate through the driven gear 12, the rotating shaft 13 and the output gear 14, and the ring gear 15 drives the connecting ring, the connecting cylinder 7 and the side plate 5 to rotate, thereby driving the drum body 9 to rotate. When the motor output shaft 10 rotates, it also drives the fan blades 16 to rotate, and the fan blades 16 drive the air flow to move, and the gas enters the fixed cylinder 2 from the outside, and then flows out from the ventilation groove a17 and flows in the drum body 9, then passes through the ventilation groove b18, and finally flows out from the fixed cylinder 2 on the other side, thereby completing air cooling. The fan blades 16 are located on the output gear 14 and in the fixed cylinder 2, which does not affect the normal installation of the motor 4. The motor 4 does not need an additional fixed structure, which helps to simplify the structure, and the air intake and air outlet are completed through the fixed cylinder 2. The fixed cylinder 2 is stationary during operation, and the filter plate 19 installed on the fixed cylinder 2 can be cleaned or disassembled at any time, which is more convenient to use.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A built-in air-cooled electric drum, comprising two fixing frames (1), a fixing cylinder (2) arranged on the fixing frames (1), a motor mounting frame (3) arranged on the fixing cylinder (2), and a motor (4) mounted via the two motor mounting frames (3); characterized in that: Also includes: A side plate (5) is rotatably mounted on the fixed cylinder (2), and a drum body (9) is disposed between the two side plates (5); The motor output shaft (10) is inserted into a fixed cylinder (2), and a driving gear (11) is arranged on the motor output shaft (10); A speed reduction mechanism is arranged on the side plate (5) and reduces the speed of the output of the driving gear (11) to drive the side plate (5) to rotate; and a fan blade (16) which is arranged on the motor output shaft (10) and is located in the fixed cylinder (2); a ventilation groove a (17) is arranged on the motor mounting frame (3), and a ventilation groove b (18) is arranged on the fixed cylinder (2) on the other side.

2. The built-in air-cooled electric drum according to claim 1, characterized in that: A bearing (6) is arranged between the side plate (5) and the fixed cylinder (2), and the bearing (6) is a waterproof sealed bearing.

3. The built-in air-cooled electric drum according to claim 1, characterized in that: A filter plate (19) is detachably disposed on the outermost sides of the two fixed cylinders (2), and a handle (20) is disposed on the outer side of the filter plate (19).

4. The built-in air-cooled electric drum according to claim 3, characterized in that: The filter plate (19) is a circular plate, and a plurality of ventilation slots are arranged side by side and at equal intervals on the filter plate (19). Mutually matching threads are arranged on the outer circumference of the filter plate (19) and the inner circumference of the fixing cylinder (2).

5. The built-in air-cooled electric drum according to claim 1, characterized in that: The speed reduction mechanism comprises a rotating shaft (13) rotatably mounted on a motor mounting frame (3), a driven gear (12) and an output gear (14) mounted on the rotating shaft (13), and a ring gear (15) connected to the side plate (5); the driven gear (12) meshes with the driving gear (11), an avoidance groove for the driven gear (12) to pass through is arranged on the motor mounting frame (3), and the output gear (14) meshes with the ring gear (15).

6. The built-in air-cooled electric drum according to claim 5, characterized in that: A connecting tube (7) is arranged on the opposite end surfaces of the two side plates (5), a connecting ring (8) is coaxially arranged on the connecting tube (7), and the connecting ring (8) is connected to the gear ring (15).

7. The built-in air-cooled electric drum according to claim 1, characterized in that: An inner ring is arranged on the inner wall of the drum body (9), and a plurality of opposite through holes are arranged on the inner ring and the side plate (5) and are locked by bolts and nuts.

8. The built-in air-cooled electric drum according to claim 1, characterized in that: The motor mounting frame (3) is cylindrical and has flanges at both ends, the flanges at both sides are respectively connected to the motor (4) and the fixed cylinder (2), a plurality of ventilation grooves a (17) are provided on the fixed cylinder (2), a plurality of ventilation grooves b (18) are provided on the fixed cylinder (2), and the ventilation grooves b (18) are located between the side plate (5) and the motor mounting frame (3).

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