Hypoid gear transmission structure of electric packer

Abstract

The utility model provides a hypoid gear transmission structure of an electric packing machine, which comprises a gear box, a driving motor and a power shaft used for being connected with a tension wheel are arranged on the gear box, a driving gear is arranged on an output shaft of the driving motor, a transmission shaft is rotatably connected onto the gear box, and the transmission shaft is connected with a transmission shaft. A driven gear driven by the driving gear is arranged at one end of the transmission shaft, transmission teeth are coaxially arranged on the transmission shaft and located on one side of the driven gear, the transmission teeth are integrally arranged in a conical shape in the axis direction of the transmission shaft, a driven disc is arranged at one end of the power shaft, and arc teeth meshed with the transmission teeth are arranged on the surface of the driven disc. The axis of the transmission gear and the axis of the driven disc are arranged in an offset mode and form a hypoid gear structure. The overall structure of the gearbox and the transmission structure of the electric packer is more compact, and occupied space is saved; the design layout of the transmission shaft and the power shaft is more flexible; transmission is more stable, noise is low, the bearing capacity is high, and transmission efficiency is high; and the tensioning wheel can be controlled more accurately.

Description

Technical Field

[0001] The utility model relates to the field of baling machines, in particular to a hypoid gear transmission structure of an electric baling machine. Background Art

[0002] The baler is a commonly used baling machine, which is widely used in food, medicine, hardware, chemical, clothing, postal and other industries. It is suitable for automatic baling and bundling of various sizes of goods, such as carton baling, paper baling, parcel and letter baling, medicine box baling, light industrial baling, hardware tool baling, ceramic product baling, auto parts baling, daily chemical product baling, stationery and sports product baling, equipment baling, etc.

[0003] The tension wheel of the baler is usually driven by a motor. As shown in the patent with the announcement number CN208134708U, it discloses a dual-motor electric baler, in which the tension wheel is meshed with a planetary gear train, and the planetary gear train is driven by the tension motor, thereby completing the power transmission of the tension mechanism.

[0004] The above-mentioned power transmission mechanism has low transmission efficiency and low control accuracy. Utility Model Content

[0005] In view of this, the utility model aims to provide a hypoid gear transmission structure for an electric baler, which has large torque, high transmission efficiency, good anti-locking effect and high control accuracy.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a hypoid gear transmission structure of an electric baler, including a gear box, a driving motor and a power shaft for connecting a tensioning wheel are provided on the gear box, a driving gear is provided on the output shaft of the driving motor, a transmission shaft is rotatably connected to the gear box, a driven gear driven by the driving gear is provided at one end of the transmission shaft, a transmission tooth is coaxially arranged on the transmission shaft and located on one side of the driven gear, the transmission tooth is overall conically arranged along the axial direction of the transmission shaft, a driven disk is provided at one end of the power shaft, arc teeth meshing with the transmission teeth are provided on the surface of the driven disk, and the axis of the transmission tooth is offset from the axis of the driven disk to form a hypoid gear structure.

[0007] Through the above technical solution, the power direction output by the drive motor can be changed by the cooperation between the transmission shaft and the power shaft, so that the structure of the drive motor on the gear box is more compact and the space occupied by the motor and the gear box as a whole is reduced;

[0008] Here, the transmission teeth and the arc teeth of the driven plate form a quasi-hypoid gear structure, and the transmission teeth are offset from the rotation axis of the driven plate, which can make the transmission design layout more flexible; the transmission teeth have a greater overlap when meshing with the arc teeth on the driven plate, making the transmission smoother, and having a strong load-bearing capacity and high transmission efficiency.

[0009] Preferably, the axis of the transmission tooth is offset above the axis of the driven disc.

[0010] Preferably, the transmission teeth are of a helical tooth structure.

[0011] Through the above technical solution, the meshing of the helical teeth and the arc teeth has a larger transmission ratio, the number of teeth in contact during transmission is larger, the transmission is uniform, and the noise is low.

[0012] Preferably, the gear box is further provided with a reduction gear set, the reduction gear set comprises a large gear meshing with the driving gear and a small gear meshing with the driven gear, and the large gear and the small gear are coaxially arranged.

[0013] Through the above technical solution, the speed of the power shaft can be reduced by the reduction gear set, thereby increasing the torque.

[0014] Preferably, the transmission shaft and the driven gear are separately arranged, a through hole is provided at the axis center of the driven gear, the end of the transmission shaft passes through the through hole, a limit piece is provided on the transmission shaft, and a limit slot is provided on one side of the driven gear to cooperate with the limit piece to limit the rotation of the driven gear relative to the transmission shaft.

[0015] The above technical solution makes it easy to remove the driven gear from the transmission shaft for replacement.

[0016] Preferably, an annular groove for installing a retaining ring is further provided at one end of the transmission shaft passing through the driven gear.

[0017] Preferably, the gear box is provided with a first mounting hole and a second mounting hole, one end of the transmission shaft is installed in the first mounting hole through a first bearing, the other end of the transmission shaft passes through the second mounting hole, and a second bearing is provided between the second mounting hole and the transmission shaft.

[0018] Through the above technical solution, the rotation of the transmission shaft is made more stable.

[0019] Preferably, a sleeve is threadedly connected to one end of the second mounting hole close to the driving gear, one end of the sleeve abuts against the outer ring of the second bearing, a shoulder is provided on one side of the driven gear, and the sleeve is sleeved outside the shoulder.

[0020] Through the above technical solution, the axial movement of the transmission shaft can be limited, which can make the rotation of the transmission shaft more stable on the one hand, and improve the self-locking ability, limit the reversal of the tension wheel, and improve the control accuracy on the other hand.

[0021] Preferably, the gear box is further provided with an output shaft cover and a gear box cover, the output shaft cover is provided with a third mounting hole, the transmission shaft passes through the third mounting hole, and a third bearing is provided between the transmission shaft and the third mounting hole.

[0022] Through the above technical solution, the power shaft can rotate more smoothly.

[0023] The technical effects of this utility model are mainly reflected in the following aspects:

[0024] 1. The overall structure of the electric baler gearbox and its transmission structure is more compact, saving space;

[0025] 2. The design layout of the transmission shaft and power shaft is more flexible;

[0026] 3. The transmission is more stable, the noise is low, the load-bearing capacity is strong, and the transmission efficiency is high;

[0027] 4. It can make the control of the tension wheel more precise. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the embodiment;

[0029] Figure 2 It is a partial cross-sectional structural schematic diagram of an embodiment;

[0030] Figure 3 is a schematic diagram of the structure of the gearbox;

[0031] Figure 4 It is a structural schematic diagram of the transmission structure in the embodiment;

[0032] Figure 5 This is a schematic diagram of the exploded structure at the transmission shaft.

[0033] Figure numerals: 1. gearbox; 2. drive motor; 3. power shaft; 4. driving gear; 5. transmission shaft; 6. driven gear; 7. transmission tooth; 8. driven plate; 9. arc tooth; 10. reduction gear set; 101. large gear; 102. small gear; 11. through hole; 12. limit member; 13. limit slot; 14. ring groove; 15. first mounting hole; 16. second mounting hole; 17. first bearing; 18. second bearing; 19. sleeve; 20. shoulder; 21. output shaft cover; 22. gearbox cover; 23. third mounting hole; 24. third bearing; 25. thread. DETAILED DESCRIPTION

[0034] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0035] As attached Figure 1 and 2The illustrated electric baler hypoid gear transmission structure includes a gear box 1, on which a driving motor 2 and a power shaft 3 for connecting a tensioning wheel are provided. A driving gear 4 is provided on the output shaft of the driving motor 2, and a transmission shaft 5 is rotatably connected to the gear box 1, and the axis of the transmission shaft 5 is arranged parallel to the axis of the output shaft of the driving motor 2. The axis of the transmission shaft 5 is arranged perpendicular to the axis of the power shaft 3 on the projection plane.

[0036] Combined with Figure 2 , 3 4, the gear box 1 is provided with a first mounting hole 15 and a second mounting hole 16, and one end of the transmission shaft 5 is installed in the first mounting hole 15 through a first bearing 17. The other end of the transmission shaft 5 passes through the second mounting hole 16, and a second bearing 18 is provided between the second mounting hole 16 and the transmission shaft 5. Here, a sleeve 19 is threadedly connected to one end of the second mounting hole 16 close to the driving gear 4, and one end of the sleeve 19 abuts against the outer ring end face of the second bearing 18 to limit the axial movement of the transmission shaft 5.

[0037] The gearbox 1 is also provided with an output shaft cover 21 and a gearbox 1 cover. The output shaft cover 21 is provided with a third mounting hole 23 , the transmission shaft 5 passes through the third mounting hole 23 , and a third bearing 24 is provided between the transmission shaft 5 and the third mounting hole 23 .

[0038] See attached Figure 4 and 5 A driven gear 6 is provided at one end of the transmission shaft 5, and a reduction gear set 10 is provided between the driving gear 4 and the driven gear 6. The reduction gear set 10 includes a large gear 101 meshing with the driving gear 4 and a small gear 102 meshing with the driven gear 6, and the large gear 101 and the small gear 102 are coaxially arranged.

[0039] A transmission tooth 7 is coaxially arranged on the transmission shaft 5 and located on one side of the driven gear 6. The transmission tooth 7 is arranged in a cone shape along the axial direction of the transmission shaft 5. A driven disc 8 is arranged at one end of the power shaft 3. The surface of the driven disc 8 is provided with arc teeth 9 meshing with the transmission tooth 7. The axis of the transmission tooth 7 is offset from the axis of the driven disc 8 and forms a hypoid gear structure. In this embodiment, the transmission tooth 7 is a helical tooth, and the transmission tooth 7 and the driven disc 8 are in an upward offset relationship, that is, the axis of the transmission tooth 7 is offset above the axis of the driven disc 8.

[0040] The transmission shaft 5 and the driven gear 6 are separately provided, and a through hole 11 is provided at the axis of the driven gear 6, and the end of the transmission shaft 5 passes through the through hole 11. A limiter 12 is provided on the transmission shaft 5, and a limiter slot 13 is provided on one side of the driven gear 6 to cooperate with the limiter 12 to limit the rotation of the driven gear 6 relative to the transmission shaft 5. Here, the limiter 12 is a bead, which is fixed on the transmission shaft 5. When the bead is inserted into the limiter slot 13, the rotation of the driven gear 6 relative to the transmission shaft 5 can be limited.

[0041] In order to facilitate the fixing of the driven gear 6 , an annular groove 14 for installing a retaining spring is provided at one end of the transmission shaft 5 passing through the driven gear 6 .

[0042] In addition, a shaft shoulder 20 is provided on one side of the driven gear 6 , and a sleeve 19 is sleeved outside the shaft shoulder 20 . The sleeve 19 may be a copper sleeve, thereby improving the stability of the rotation of the transmission shaft 5 .

[0043] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A hypoid gear transmission structure of an electric baler, comprising a gear box (1), the gear box (1) being provided with a driving motor (2) and a power shaft (3) for connecting a tension wheel, the output shaft of the driving motor (2) being provided with a driving gear (4), the gear box (1) being rotatably connected with a transmission shaft (5), one end of the transmission shaft (5) being provided with a driven gear (6) driven by the driving gear (4), wherein: A transmission tooth (7) is coaxially arranged on the transmission shaft (5) and located on one side of the driven gear (6); the transmission tooth (7) is arranged in a cone shape along the axial direction of the transmission shaft (5); a driven disc (8) is arranged at one end of the power shaft (3); an arc tooth (9) meshing with the transmission tooth (7) is arranged on the surface of the driven disc (8); the axis of the transmission tooth (7) is offset from the axis of the driven disc (8) to form a hypoid gear structure.

2. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The axis of the transmission tooth (7) is offset above the axis of the driven disc (8).

3. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The transmission teeth (7) are of a helical tooth structure.

4. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The gear box (1) is also provided with a reduction gear set (10), the reduction gear set (10) comprising a large gear (101) meshing with the driving gear (4) and a small gear (102) meshing with the driven gear (6), the large gear (101) and the small gear (102) being coaxially arranged.

5. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The transmission shaft (5) and the driven gear (6) are arranged separately; a through hole (11) is arranged at the axis of the driven gear (6); the end of the transmission shaft (5) passes through the through hole (11); a limiting member (12) is arranged on the transmission shaft (5); and a limiting groove (13) is arranged on one side of the driven gear (6) for cooperating with the limiting member (12) to limit the rotation of the driven gear (6) relative to the transmission shaft (5).

6. The hypoid gear transmission structure of the electric baler according to claim 5 is characterized in that: An annular groove (14) for installing a retaining ring is also provided at one end of the transmission shaft (5) that passes through the driven gear (6).

7. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The gear box (1) is provided with a first mounting hole (15) and a second mounting hole (16); one end of the transmission shaft (5) is mounted in the first mounting hole (15) via a first bearing (17); the other end of the transmission shaft (5) passes through the second mounting hole (16); and a second bearing (18) is provided between the second mounting hole (16) and the transmission shaft (5).

8. The hypoid gear transmission structure of the electric baler according to claim 7 is characterized in that: A sleeve (19) is threadedly connected to one end of the second mounting hole (16) close to the driving gear (4), one end of the sleeve (19) abuts against the outer ring of the second bearing (18), a shaft shoulder (20) is provided on one side of the driven gear (6), and the sleeve (19) is sleeved outside the shaft shoulder (20).

9. The hypoid gear transmission structure of the electric baler according to claim 1 is characterized in that: The gear box (1) is also provided with an output shaft cover (21) and a gear box (1) cover, the output shaft cover (21) is provided with a third mounting hole (23), the transmission shaft (5) passes through the third mounting hole (23), and a third bearing (24) is provided between the transmission shaft (5) and the third mounting hole (23).

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