Novel gear clearance eliminating mechanism

Abstract

The utility model discloses a novel gear clearance eliminating mechanism which comprises a shell, a driven shaft is arranged on the inner wall of the shell, a driven gear and an adjusting gear are rotationally connected to the outer wall of the driven shaft from top to bottom through bearings, and the outer wall of the bottom of the adjusting gear is connected with the outer wall of the top of the driven gear. Adjusting disc teeth are arranged on the outer wall of the top of the adjusting gear and meshed with the adjusting gear, and a locking piece is in threaded connection with the outer wall of the top of the adjusting disc teeth. The adjusting gear moves reversely to be staggered with the driven gear, so that teeth of the driven gear and teeth of the adjusting gear are filled in tooth grooves of the driving gear, gaps of the gears are eliminated, the adjusting gear rotates, the adjusting disc teeth extrude the adjusting gear by means of tooth staggering of the adjusting disc teeth and the adjusting gear, and the load of the gear is increased. And the gear meshing is tighter.

Description

Technical Field

[0001] The utility model relates to the technical field of gear clearance elimination, in particular to a novel gear clearance elimination mechanism. Background Art

[0002] A gear refers to a mechanical element with teeth on the rim that can continuously mesh to transmit motion and power. The application of gears in transmission appeared very early; at the end of the 19th century, the principle of generating gear cutting method and the successive emergence of special machine tools and tools for gear cutting using this principle. With the development of production, the smooth operation of gears has received attention; gear clearance elimination mechanisms are widely used in the post-packaging production lines of food and beverages;

[0003] Such as Figure 3 As shown in the existing gear transmission mechanism, a traditional gear transmission mechanism includes a driving gear (A), a double-layer transmission gear (B), a transmission gear (C), and an output gear (D). It is characterized in that the driving gear (A) meshes with the double-layer transmission gear (B), and the double-layer transmission gear (B) meshes with the transmission gear (C), and the transmission gear (C) meshes with the output gear (D).

[0004] During the use of the existing traditional gear transmission mechanism, the clearance will not be eliminated after multiple transmissions, and there will be positive and negative transmission clearances. After long-term use of the gears, the gears will wear and the clearance will not be eliminated, resulting in a large deviation in transmission accuracy and affecting the entire transmission performance. Therefore, it is urgent to design a novel gear clearance elimination mechanism to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a novel gear clearance elimination mechanism is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A novel gear clearance elimination mechanism includes a housing. A driven shaft is arranged on the inner wall of the housing, and a driven gear and an adjusting gear are rotatably connected to the outer wall of the driven shaft from top to bottom through bearings. The outer wall of the bottom of the adjusting gear is connected to the outer wall of the top of the driven gear, and an adjusting disk tooth is arranged on the outer wall of the top of the adjusting gear. The adjusting disk tooth meshes with the adjusting gear, and a locking member is threadedly connected to the outer wall of the top of the adjusting disk tooth.

[0008] Further, a driving shaft is arranged on the inner wall of the housing, and a driving gear is rotatably connected to the outer wall of the driving shaft through a bearing.

[0009] Further, a rotating shaft is arranged on the inner wall of the housing, and a large synchronous pulley is rotatably connected to the outer wall of the rotating shaft through a bearing.

[0010] Furthermore, a six - claw frame is fixed to the outer wall of the top of the large synchronous pulley through bolts, and a synchronous belt is meshed and sleeved on the outer wall of the large synchronous pulley.

[0011] Furthermore, a driven transmission gear is rotatably connected to the outer wall of the driving shaft through a bearing, and the outer wall of the driven transmission gear is meshed with the inner wall of the synchronous belt.

[0012] Furthermore, an auxiliary frame is arranged on the inner wall of the housing, and an auxiliary shaft is arranged on the outer wall of the top of the auxiliary frame.

[0013] Furthermore, a self - rotating bearing is sleeved on the outer wall of the auxiliary shaft, and an auxiliary wheel is sleeved on the outer wall of the self - rotating bearing. The driving gear is meshed with the outer walls of both the driven gear and the adjusting gear.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By providing the driving gear, driven gear, adjusting gear, adjusting disk teeth and locking member, the driving gear meshes and rotates with the driven gear and the adjusting gear. The adjusting gear moves in the reverse direction and is misaligned with the driven gear, so that the teeth of the driven gear and the adjusting gear fill the tooth grooves of the driving gear, eliminating the clearance between the gears. When the adjusting gear rotates, due to the misalignment of the teeth of the adjusting disk teeth and the adjusting gear, the adjusting disk teeth squeeze the adjusting gear, increasing the load on the gear and making the gear meshing tighter, thereby reducing or eliminating the gear clearance. The locking member fixes the adjusting disk teeth, ensuring that the gear transmission always maintains the working state of eliminating gear clearance and guaranteeing the transmission accuracy.

[0016] 2. By providing the driven transmission gear, large synchronous pulley and synchronous belt, the driven transmission gear meshes with the synchronous belt. The synchronous belt rotates and meshes with the large synchronous pulley, driving the large synchronous pulley to rotate, realizing the function of accurately transmitting the final output speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric perspective structure diagram of a novel gear clearance eliminating mechanism proposed by the present utility model;

[0018] Figure 2 It is a rear - view axonometric perspective structure diagram of a novel gear clearance eliminating mechanism proposed by the present utility model;

[0019] Figure 3 It is an axonometric perspective structure diagram of the traditional gear transmission mechanism of a novel gear clearance eliminating mechanism proposed by the present utility model.

[0020] In the figure: 1, driving gear; 2, driven gear; 3, adjusting gear; 4, adjusting disc tooth; 5, locking member; 6, synchronous belt; 7, large synchronous pulley; 8, housing; 9, driving shaft; 10, six-jaw frame; 11, rotating shaft; 12, auxiliary frame; 13, auxiliary shaft; 14, self-rotating bearing; 15, auxiliary wheel; 16, driven shaft; 17, driven transmission gear. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] As Figures 1-2 shown, a novel gear clearance eliminating mechanism provided by an embodiment of the present invention includes a housing 8. A driven shaft 16 is disposed on the inner wall of the housing 8. A driven gear 2 and an adjusting gear 3 are rotatably connected to the outer wall of the driven shaft 16 from top to bottom through bearings. The outer wall of the bottom of the adjusting gear 3 is connected to the outer wall of the top of the driven gear 2. An adjusting disc tooth 4 is disposed on the outer wall of the top of the adjusting gear 3. The adjusting disc tooth 4 meshes with the adjusting gear 3. A locking member 5 is threadedly connected to the outer wall of the top of the adjusting disc tooth 4.

[0025] A novel gear backlash elimination mechanism provided by the utility model includes a housing 8. A driven shaft 16 is arranged on the inner wall of the housing 8. On the outer wall of the driven shaft 16, a driven gear 2 and an adjusting gear 3 are rotatably connected through bearings from top to bottom. The outer wall at the bottom of the adjusting gear 3 is connected to the outer wall at the top of the driven gear 2. And an adjusting disc gear 4 is arranged on the outer wall at the top of the adjusting gear 3. The adjusting disc gear 4 meshes with the adjusting gear 3. And a locking member 5 is threadedly connected to the outer wall at the top of the adjusting disc gear 4. The housing 8 is an irregular solid. The adjusting gear 3 rotates on the driven shaft 16. The teeth on the adjusting gear 3 are meshed with the teeth on the adjusting disc gear 4 in a staggered manner, so as to increase the load of the gear, make the gear meshing closer, and further eliminate the gear backlash.

[0026] The driving gear 1 meshes and rotates with the driven gear 2 and the adjusting gear 3. The adjusting gear 3 moves in the reverse direction and is misaligned with the driven gear 2, so that the teeth of the driven gear 2 and the adjusting gear 3 fill the tooth grooves of the driving gear 1, eliminating the gear backlash. When the adjusting gear 3 rotates, due to the misalignment of the teeth of the adjusting disc gear 4 and the adjusting gear 3, the adjusting disc gear 4 squeezes the adjusting gear 3. By increasing the load of the gear and making the gear meshing closer, the gear backlash is reduced or eliminated. The locking member 5 fixes the adjusting disc gear 4, so that the gear transmission always maintains the working state of eliminating gear backlash, ensuring the transmission accuracy.

[0027] In an embodiment provided by the utility model, as Figure 1 and Figure 2 shown, a driving shaft 9 is arranged on the inner wall of the housing 8. And a driving gear 1 is rotatably connected to the outer wall of the driving shaft 9 through a bearing. The driving gear 1 is rotatably connected to the driving shaft 9 through a bearing, so that the driving gear 1 is limited to rotate.

[0028] In another embodiment provided by the utility model, as Figure 1 and Figure 2 shown, a rotating shaft 11 is arranged on the inner wall of the housing 8. And a large synchronous pulley 7 is rotatably connected to the outer wall of the rotating shaft 11 through a bearing. The large synchronous pulley 7 is rotatably connected to the rotating shaft 11 through a bearing, so that the large synchronous pulley 7 rotates on the rotating shaft 11, restricting the movement of the large synchronous pulley 7.

[0029] In still another embodiment provided by the utility model, as Figure 1 and Figure 2 shown, a six-jaw bracket 10 is fixed to the outer wall at the top of the large synchronous pulley 7 by bolts. And a synchronous belt 6 is meshed and sleeved on the outer wall of the large synchronous pulley 7. The six-jaw bracket 10 is fixed to the outer wall at the top of the large synchronous pulley 7 by bolts. The large synchronous pulley 7 drives the six-jaw bracket 10 to rotate, so that the six-jaw bracket 10 has the power of transmission.

[0030] In an embodiment provided by the utility model, as Figure 1and Figure 2 As shown in Figure 2 , the outer wall of the driving shaft 9 is rotatably connected with a driven transmission gear 17 through a bearing, and the outer wall of the driven transmission gear 17 meshes with the inner wall of the synchronous belt 6. The teeth of the synchronous belt 6 mesh with the teeth of the driven transmission gear 17, enabling the driven transmission gear 17 to drive the large synchronous pulley 7 to rotate.

[0031] In another embodiment provided by the present utility model, as Figure 1 and Figure 2 shown in Figure 2 , an auxiliary frame 12 is provided on the inner wall of the housing 8, and an auxiliary shaft 13 is provided on the outer wall at the top of the auxiliary frame 12. The auxiliary shaft 13 is provided on the upper surface of the auxiliary frame 12, enabling the self-rotating bearing 14 to be limited and installed on the auxiliary shaft 13.

[0032] In still another embodiment provided by the present utility model, as Figure 1 and Figure 2 shown in Figure 2 , a self-rotating bearing 14 is sleeved on the outer wall of the auxiliary shaft 13, and an auxiliary wheel 15 is sleeved on the outer wall of the self-rotating bearing 14. The driving gear 1 meshes with the outer walls of both the driven gear 2 and the adjusting gear 3. The auxiliary wheel 15 rotates while being sleeved on the outer wall of the self-rotating bearing 14, and the auxiliary wheel 15 contacts the synchronous belt 6, enabling the synchronous belt 6 to maintain a taut state, thereby avoiding the problem of poor transmission of the synchronous belt 6 due to its slackness.

[0033] Working principle: When in use, the driving gear 1 rotates on the driving shaft 9 inside the inner wall of the housing 8. The driving gear 1 meshes with the driven gear 2 and the adjusting gear 3. The adjusting gear 3 rotates in the direction opposite to that of the driven gear 2, and the adjusting gear 3 is misaligned with the driven gear 2, enabling the teeth of the adjusting gear 3 and the driven gear 2 to fill the tooth grooves of the driving gear 1, achieving the function of adjusting and eliminating gear clearance. The adjusting gear 3 and the adjusting disk teeth 4 are misaligned with each other, and the adjusting disk teeth 4 squeeze the adjusting gear 3, thereby increasing the load on the gear and making the gear meshing tighter, so as to eliminate gear clearance. The locking member 5 fixes the adjusting disk teeth 4, enabling the adjusting disk teeth 4 to maintain the state of tooth misalignment to eliminate gear clearance. The driven transmission gear 17 and the synchronous belt 6 rotate, and the synchronous belt 6 drives the large synchronous pulley 7 on the rotating shaft 11 to rotate. The large synchronous pulley 7 drives the six-jaw frame 10 to rotate, ensuring the accurate transmission of the output speed. The self-rotating bearing 14 rotates on the auxiliary shaft 13 of the auxiliary frame 12, and the auxiliary wheel 15 rotates on the self-rotating bearing 14. The auxiliary wheel 15 is in contact with the synchronous belt 6, enabling the synchronous belt 6 to always maintain a taut state, thereby avoiding the problem of the synchronous belt 6 becoming slack and falling off.

[0034] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A novel gear clearance eliminating mechanism, comprising a housing (8), characterized in that: A driven shaft (16) is arranged on the inner wall of the housing (8), and a driven gear (2) and an adjusting gear (3) are rotatably connected on the outer wall of the driven shaft (16) from top to bottom via a bearing, the outer wall at the bottom of the adjusting gear (3) is connected to the outer wall at the top of the driven gear (2), and an adjusting disc tooth (4) is arranged on the outer wall at the top of the adjusting gear (3), the adjusting disc tooth (4) and the adjusting gear (3) are meshed with each other, and a locking member (5) is threadedly connected to the outer wall at the top of the adjusting disc tooth (4).

2. A novel gear clearance eliminating mechanism according to claim 1, characterized in that: A driving shaft (9) is arranged on the inner wall of the housing (8), and the outer wall of the driving shaft (9) is rotatably connected to a driving gear (1) via a bearing.

3. A novel gear clearance eliminating mechanism according to claim 2, characterized in that: A rotating shaft (11) is provided on the inner wall of the housing (8), and a large synchronous wheel (7) is rotatably connected to the outer wall of the rotating shaft (11) via a bearing.

4. A novel gear clearance eliminating mechanism according to claim 3, characterized in that: A six-claw frame (10) is fixed to the outer wall of the top of the large synchronous wheel (7) by means of bolts, and a synchronous belt (6) is meshedly sleeved on the outer wall of the large synchronous wheel (7).

5. A novel gear clearance eliminating mechanism according to claim 4, characterized in that: The outer wall of the driving shaft (9) is rotatably connected to a driven transmission gear (17) via a bearing, and the outer wall of the driven transmission gear (17) is meshed with the inner wall of the synchronous belt (6).

6. A novel gear clearance eliminating mechanism according to claim 5, characterized in that: An auxiliary frame (12) is provided on the inner wall of the outer shell (8), and an auxiliary shaft (13) is provided on the outer wall of the top of the auxiliary frame (12).

7. A novel gear clearance eliminating mechanism according to claim 6, characterized in that: A self-rotating bearing (14) is sleeved on the outer wall of the auxiliary shaft (13), and an auxiliary wheel (15) is sleeved on the outer wall of the self-rotating bearing (14), and the driving gear (1) is meshed with the outer walls of the driven gear (2) and the adjusting gear (3).

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