High-precision speed reducer

Abstract

The high-precision speed reducer comprises a gear shell, a first partition plate is arranged in the gear shell, a first rotating shaft and a second rotating shaft are arranged at the left end of the gear shell, the other end of the second rotating shaft is connected with the rear end of the gear shell through a bearing, a first gear is arranged on the first rotating shaft, and a second gear is arranged on the second rotating shaft. A first gear is arranged on the first rotating shaft, a second gear is arranged on the second rotating shaft, a third rotating shaft is arranged at the right end of the gear shell, a third gear is arranged at the front end of the third rotating shaft, the third gear is matched with the first gear, a fourth gear is arranged at the rear end of the third rotating shaft, and the fourth gear is matched with the second gear. The high-precision speed reducer provided by the utility model is moderate in space volume, is provided with two groups of gears for matched transmission, has a larger reduction ratio, and also reduces the reduction ratio of single-group speed reduction transmission to ensure that the transmission is more stable and reliable, so that the high precision of the speed reducer can be ensured, and the speed reducer is more convenient and reliable.

Description

Technical Field

[0001] The utility model belongs to the field of reducer structures, and in particular relates to a high-precision reducer. Background Art

[0002] A reducer is a self-contained component consisting of a gear, worm, or gear-worm transmission enclosed in a rigid housing. It is commonly used as a reduction gear between a prime mover and a working machine. It matches speeds and transmits torque between the prime mover and the working machine or actuator, making it widely used in modern machinery. However, current reducers often use a single gear transmission, resulting in limited precision. Alternatively, multiple gear transmissions can be used, which increases space and makes them inconvenient. Summary of the Invention

[0003] In order to solve the deficiencies in the prior art, the utility model provides a high-precision speed reducer.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A high-precision reducer includes a gear housing, a first partition is provided in the gear housing, a first rotating shaft and a second rotating shaft are provided at the left end of the gear housing, the centers of the first rotating shaft and the second rotating shaft coincide with each other, one end of the first rotating shaft is connected to the first partition via a bearing, the other end of the first rotating shaft is connected to the front end of the gear housing via a bearing, one end of the second rotating shaft is connected to the first partition via a bearing, the other end of the second rotating shaft is connected to the rear end of the gear housing via a bearing, a first gear is provided on the first rotating shaft, a second gear is provided on the second rotating shaft, a third rotating shaft is provided at the right end of the gear housing, both ends of the third rotating shaft are respectively connected to the two ends of the gear housing via bearings, a third gear is provided at the front end of the third rotating shaft, the third gear matches the first gear, and a fourth gear is provided at the rear end of the third rotating shaft, the fourth gear matches the second gear.

[0006] Furthermore, the left end of the gear housing is provided with a first mounting port and a second mounting port, the first mounting port corresponds to the front end of the gear housing, the front end of the first rotating shaft is provided with a first connecting portion, the first connecting portion passes through the first mounting port and is arranged on the outside of the gear housing, the first mounting port is provided with a first mounting tube and a first mounting plate, the first mounting tube is sleeved on the first mounting port, the first mounting plate is arranged at the front end of the first mounting plate, the rear end of the second rotating shaft is provided with a second connecting portion, the second connecting portion passes through the second mounting port and is arranged on the outside of the gear housing, the second mounting port is provided with a second mounting tube and a second mounting plate, the second mounting tube is sleeved on the second mounting port, and the second mounting plate is arranged at the rear end of the second mounting plate.

[0007] Furthermore, the right end of the gear housing is provided with a third mounting port and a fourth mounting port, the third mounting port corresponds to the front end of the gear housing, the third mounting port is provided with a first plug, the fourth mounting port corresponds to the front end of the gear housing, and the fourth mounting port is provided with a second plug.

[0008] Furthermore, a fifth mounting port is provided at the left end of the first partition, the rear end of the first rotating shaft is connected to the fifth mounting port through a bearing, the front end of the second rotating shaft is connected to the fifth mounting port through a bearing, a first slot is provided in the middle of the fifth mounting port, a first baffle is provided in the first slot, and a first through hole is provided at the right end of the first partition, and the first through hole matches the third rotating shaft.

[0009] Furthermore, a first oil filling port is provided at the left end of the gear housing, a first oil outlet is provided at the right end of the gear housing, and a second through hole is provided at the lower end of the first partition.

[0010] The high-precision reducer disclosed by the utility model has the beneficial effect, compared with the prior art, of having a moderate spatial volume, being provided with two sets of gear matching transmissions, having a larger reduction ratio, and also reducing the reduction ratio of a single set of reduction transmissions to ensure that the transmission is more stable and reliable, thereby ensuring the high precision of the reducer, and being more convenient and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram from one perspective of a preferred embodiment provided by the utility model.

[0012] Figure 2 It is a structural schematic diagram of another perspective of a preferred embodiment provided by the utility model.

[0013] Figure 3 It is an exploded schematic diagram from one perspective of a preferred embodiment provided by the present invention.

[0014] Figure 4 It is an exploded schematic diagram from another perspective of the preferred embodiment provided by the present invention.

[0015] Figure 5 It is a structural schematic diagram of the first card slot of the preferred embodiment provided by the utility model.

[0016] Figure 6 It is a structural schematic diagram of the first partition provided by the preferred embodiment of the present invention.

[0017] The figure marks include: 100, gear housing; 110, first mounting port; 120, second mounting port; 130, third mounting port; 140, fourth mounting port; 150, first partition; 151, first slot; 152, second through hole; 160, fifth mounting port; 170, first through hole; 180, first refueling port; 190, first oil outlet; 200, first rotating shaft; 210, first gear; 220, first connecting part; 230, first mounting cylinder; 240, first mounting plate; 300, second rotating shaft; 310, second gear; 320, second connecting part; 330, second mounting cylinder; 340, second mounting plate; 400, third rotating shaft; 410, third gear; 420, fourth gear; 430, first plug; 440, second plug; 500, first baffle. DETAILED DESCRIPTION

[0018] The utility model discloses a high-precision reducer. The specific implementation of the utility model will be further described below in conjunction with preferred embodiments.

[0019] See attached figure Figure 1-6 , Figure 1 This is a structural diagram of a preferred embodiment provided by the utility model from one perspective. Figure 2 This is a structural diagram of another perspective of a preferred embodiment provided by the present invention. Figure 3 This is an exploded schematic diagram of a preferred embodiment provided by the present invention from one perspective. Figure 4 This is an exploded schematic diagram of another perspective of the preferred embodiment provided by the utility model. Figure 5 This is a structural diagram of the first card slot 151 of the preferred embodiment provided by the present utility model. Figure 6 It is a structural schematic diagram of the first partition 150 of the preferred embodiment provided by the present invention.

[0020] Preferred embodiment.

[0021] This embodiment provides a high-precision reducer, including a gear housing 100, wherein a first partition 150 is provided in the gear housing 100, and a first rotating shaft 200 and a second rotating shaft 300 are provided at the left end of the gear housing 100, wherein the centers of the first rotating shaft 200 and the second rotating shaft 300 coincide with each other, one end of the first rotating shaft 200 is connected to the first partition 150 through a bearing, and the other end of the first rotating shaft 200 is connected to the front end of the gear housing 100 through a bearing, and one end of the second rotating shaft 300 is connected to the first partition 150 through a bearing, and the other end of the second rotating shaft 300 is connected to the front end of the gear housing 100 through a bearing. The first end is connected to the rear end of the gear housing 100 through a bearing, a first gear 210 is provided on the first rotating shaft 200, and a second gear 310 is provided on the second rotating shaft 300. A third rotating shaft 400 is provided at the right end of the gear housing 100, and both ends of the third rotating shaft 400 are respectively connected to the two ends of the gear housing 100 through bearings, a third gear 410 is provided at the front end of the third rotating shaft 400, and the third gear 410 matches the first gear 210. A fourth gear 420 is provided at the rear end of the third rotating shaft 400, and the fourth gear 420 matches the second gear 310.

[0022] Furthermore, the left end of the gear housing 100 is provided with a first mounting port 110 and a second mounting port 120, the first mounting port 110 corresponds to the front end of the gear housing 100, the front end of the first rotating shaft 200 is provided with a first connecting portion 220, the first connecting portion 220 passes through the first mounting port 110 and is arranged on the outside of the gear housing 100, the first mounting port 110 is provided with a first mounting tube 230 and a first mounting plate 240, the first mounting tube 230 is sleeved on the first mounting port 110, the first mounting plate 240 is arranged at the front end of the first mounting plate 240, the rear end of the second rotating shaft 300 is provided with a second connecting portion 320, the second connecting portion 320 passes through the second mounting port 120 and is arranged on the outside of the gear housing 100, the second mounting port 120 is provided with a second mounting tube 330 and a second mounting plate 340, the second mounting tube 330 is sleeved on the second mounting port 120, and the second mounting plate 340 is arranged at the rear end of the second mounting plate 340.

[0023] Furthermore, the right end of the gear housing 100 is provided with a third mounting port 130 and a fourth mounting port 140, the third mounting port 130 corresponds to the front end of the gear housing 100, and the third mounting port 130 is provided with a first plug 430, and the fourth mounting port 140 corresponds to the front end of the gear housing 100, and the fourth mounting port 140 is provided with a second plug 440.

[0024] Furthermore, a fifth mounting port 160 is provided at the left end of the first partition 150, the rear end of the first rotating shaft 200 is connected to the fifth mounting port 160 through a bearing, the front end of the second rotating shaft 300 is connected to the fifth mounting port 160 through a bearing, a first slot 151 is provided in the middle of the fifth mounting port 160, a first baffle 500 is provided in the first slot 151, and a first through hole 170 is provided at the right end of the first partition 150, and the first through hole 170 matches the third rotating shaft 400.

[0025] Furthermore, a first oil filling port 180 is provided at the left end of the gear housing 100 , a first oil outlet 190 is provided at the right end of the gear housing 100 , and a second through hole 152 is provided at the lower end of the first partition 150 .

[0026] Working principle: The rotation of the first gear 210 drives the rotation of the first gear 210, thereby driving the third rotating shaft 400 to start rotating through the cooperation between the first gear 210 and the third gear 410, and then the fourth gear 420 starts to rotate, and through the cooperation between the fourth gear 420 and the second gear 310, drives the second rotating shaft 300 to rotate. Among them, the axis of the first rotating shaft 200 and the second rotating shaft 300 are on the same axis, which can reduce the spatial volume of the reducer; and, through the two groups of reduction transmission of the first gear 210 and the third gear 410 and the second gear 310 and the fourth gear 420, a larger reduction ratio can be provided, and the reduction ratio of a single group of reduction transmission can be reduced, so as to ensure that the transmission is more stable and reliable, and the accuracy of the reducer can be guaranteed.

[0027] At the same time, lubricating oil is added to the gear housing 100 through the first oil filling port 180. The second through hole 152 can ensure that there is lubricating oil on both sides of the first partition 150, ensuring the lubrication of the first gear 210, the second gear 310, the third gear 410 and the fourth gear 420, that is, reducing the wear of the first gear 210, the second gear 310, the third gear 410 and the fourth gear 420, thereby preventing it from affecting the accuracy of the reducer. The first mounting cylinder 230 and the first mounting plate 240 are mounted on the first connecting portion 220, and the bearings are used to ensure the sealing of the first mounting port 110; the second mounting cylinder 330 and the second mounting plate 340 are mounted on the second connecting portion 320, and the bearings are used to ensure the sealing of the second mounting port 120; this can prevent external dust and other debris from entering the gear housing 100, and can also prevent lubricating oil from leaking.

[0028] It is worth mentioning that the technical features such as bearings involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional means in the field and should not be regarded as the utility model points of this utility model patent. This utility model patent will not be further elaborated.

[0029] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A high-precision reducer, characterized in that: The invention comprises a gear housing (100), wherein a first partition (150) is provided in the gear housing (100), a first rotating shaft (200) and a second rotating shaft (300) are provided at the left end of the gear housing (100), the centers of the first rotating shaft (200) and the second rotating shaft (300) coincide with each other, one end of the first rotating shaft (200) is connected to the first partition (150) through a bearing, the other end of the first rotating shaft (200) is connected to the front end of the gear housing (100) through a bearing, one end of the second rotating shaft (300) is connected to the first partition (150) through a bearing, and the other end of the second rotating shaft (300) is connected to the gear housing (100) through a bearing. The rear end of the housing (100) is connected, a first gear (210) is provided on the first rotating shaft (200), a second gear (310) is provided on the second rotating shaft (300), a third rotating shaft (400) is provided at the right end of the gear housing (100), two ends of the third rotating shaft (400) are respectively connected to the two ends of the gear housing (100) through bearings, a third gear (410) is provided at the front end of the third rotating shaft (400), the third gear (410) matches the first gear (210), and a fourth gear (420) is provided at the rear end of the third rotating shaft (400), the fourth gear (420) matches the second gear (310).

2. The high-precision reducer according to claim 1, characterized in that: The left end of the gear housing (100) is provided with a first mounting opening (110) and a second mounting opening (120), wherein the first mounting opening (110) corresponds to the front end of the gear housing (100), and the front end of the first rotating shaft (200) is provided with a first connecting portion (220), and the first connecting portion (220) passes through the first mounting opening (110) and is arranged on the outside of the gear housing (100), and the first mounting opening (110) is provided with a first mounting tube (230) and a first mounting plate (240), and the first mounting tube (230) is sleeved on the first mounting opening (110). 0), the first mounting plate (240) is arranged at the front end of the first mounting plate (240), the rear end of the second rotating shaft (300) is provided with a second connecting portion (320), the second connecting portion (320) passes through the second mounting opening (120) and is arranged on the outside of the gear housing (100), the second mounting opening (120) is provided with a second mounting tube (330) and a second mounting plate (340), the second mounting tube (330) is sleeved on the second mounting opening (120), and the second mounting plate (340) is arranged at the rear end of the second mounting plate (340).

3. The high-precision reducer according to claim 2, characterized in that: The right end of the gear housing (100) is provided with a third mounting port (130) and a fourth mounting port (140), wherein the third mounting port (130) corresponds to the front end of the gear housing (100), and the third mounting port (130) is provided with a first plug (430), and the fourth mounting port (140) corresponds to the front end of the gear housing (100), and the fourth mounting port (140) is provided with a second plug (440).

4. The high-precision reducer according to claim 3, characterized in that: A fifth mounting port (160) is provided at the left end of the first partition (150), the rear end of the first rotating shaft (200) is connected to the fifth mounting port (160) through a bearing, the front end of the second rotating shaft (300) is connected to the fifth mounting port (160) through a bearing, a first slot (151) is provided in the middle of the fifth mounting port (160), a first baffle (500) is provided in the first slot (151), a first through hole (170) is provided at the right end of the first partition (150), and the first through hole (170) matches the third rotating shaft (400).

5. The high-precision reducer according to claim 4, characterized in that: The left end of the gear housing (100) is provided with a first oil filling port (180), the right end of the gear housing (100) is provided with a first oil outlet (190), and the lower end of the first partition (150) is provided with a second through hole (152).

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