TWM616200U - Modular coaxial gear reduction mechanism - Google Patents

Abstract

This creation refers to a modular coaxial gear reduction mechanism, which consists of a casing, a transmission shaft arranged on the axis of the casing, an inner gear ring rail arranged on the inner edge of the casing, and a transmission shaft. It is composed of a coaxial gear set between the ring rail and the inner gear. The coaxial gear set includes a sun gear, a planetary gear set and an output member, wherein the planetary gear set is pivoted on both ends of the sun gear with a first opposite The wheel carrier and a second wheel carrier, and between the first and second wheel carriers, a plurality of planetary gears are pivoted on the periphery of the sun gear, and each of the planetary gears can mesh with the output member, so that modularization The coaxial gear set is selectively assembled, which has the effect of easy assembly and replacement, and can reduce the accumulation of errors, and improve the concentricity of the speed reduction mechanism after assembly, so that the overall assembly is more stable, and the meshing degree is improved, and its use can be extended life.

Description

Modular coaxial gear group deceleration mechanism

This creation belongs to the technical field of a planetary deceleration mechanism. Specifically, it refers to a modular coaxial gear deceleration mechanism, which can facilitate assembly and maintenance, reduce accumulated errors, and make its operation more concentric. It can improve the stability and reliability of the transmission, reduce the damage of the parts, and extend the service life of the deceleration mechanism.

According to, usually the motor has a higher speed. In some fields, when it is directly driven, it is easy to rotate too fast and cannot provide a large torque. Not only can it not achieve the predetermined work purpose, but also affect the convenience of operation. Therefore, in these fields, a reducer is generally installed on the output shaft of the motor in order to reduce the speed and output a larger torque. There are many types of existing reducers. In addition to the traditional method of matching large and small gears to achieve reduction, the most common one at present is the use of planetary gear reducers, which can overcome the traditional complex structure, running noise and vibration. .

However, the composition of the existing planetary gear reducer is to install the sun gear, the wheel carrier, the planetary gear and the output part one by one on the input shaft. As shown in the first figure, the planetary gear reducer is composed of A planetary gear carrier (85), a sun gear (80), multiple planetary gears (86), an internal gear ring (90) and a casing (95), wherein the internal gear ring (90) and the machine The housing (95) is combined, and the planetary gear carrier (85), the sun gear (80) and the planetary gears (86) are accommodated in the inner gear ring (90) and the housing (95), And the sun gear (80) has a transmission shaft (81), and each of the planet gears (86) meshes with the outer edge of the sun gear (80) and the inner edge of the inner ring (90), and the planet gears (86) is also arranged on the planetary gear carrier (85).

However, the aforementioned existing deceleration mechanism has problems such as complicated assembly, insufficient precision and concentricity deviation. In order to solve the inconvenience of replacement and inventory management due to complicated assembly and many procedures, it also has insufficient concentricity after assembly. Therefore, the processing accuracy of each component needs to be improved, which increases the difficulty of processing and assembly, and also increases the overall production cost. On the contrary, if the processing accuracy is relaxed, it will cause unstable assembly and poor meshing, which will cause noise and transmission during operation. Problems such as poor efficiency. In other words, how to solve the aforementioned problems is what the industry and users expect, and it is also what this creation wants to explore.

In view of this, the creator has focused on the problems faced by the above-mentioned existing technology, studied and cooperated with the application of academic theory, upholding rich design development and practical production experience in the relevant industry for many years, and improved the existing structure to improve the existing structure, and finally successfully developed A modular coaxial gear set deceleration mechanism is developed to overcome the trouble and inconvenience of the existing deceleration mechanism due to the gradual installation of components.

Therefore, the main purpose of this creation is to provide a modular coaxial gear reduction mechanism, which allows most of the components to be modularized, and facilitates the assembly, replacement, and inventory management of the reduction mechanism.

In addition, the second main purpose of this creation is to provide a modular coaxial gear reduction mechanism, which can improve the concentricity of the reduction mechanism after assembly, simplify the processing and assembly difficulty, and further reduce its overall manufacturing cost.

Furthermore, another main purpose of this creation is to provide a modular coaxial gear reduction mechanism, and due to its high concentricity after assembly, the overall assembly structure of the reduction mechanism can be more stable and the meshing degree improved. , It can reduce vibration and noise during operation, and can extend its service life and improve transmission efficiency.

Based on this, this creation is mainly through the following technical means to achieve the aforementioned purposes and effects, which include:

A housing

A drive shaft, which is pivoted at the center of the casing;

An internal gear ring rail, which is locked on the inner edge of the casing;

A coaxial gear set is arranged in the casing. The coaxial gear set includes a sun gear, a planetary gear set and an output member, wherein the sun gear can be selectively locked to the aforementioned transmission shaft and rotates synchronously, and the The planetary gear set is pivotally provided with a first gear carrier and a second gear carrier opposite to each other at both ends of the sun gear. Furthermore, between the first and second gear carriers, a plurality of planet gears are pivoted on the periphery of the sun gear, and each planet The gears respectively have a first wheel part that can be meshed with the sun gear and the internal gear ring rail synchronously, and each of the planetary gears has a second wheel part that can be meshed with the output member, and the output member is pivoted on the planet On the second carrier of the gear set, the inner edge of the output member has an inner tooth edge that can mesh with the second wheel portion of each planetary gear, and the outer edge of the output member has an inner tooth edge that can mesh with at least one passive member Driving wheel part.

As a result, through the specific realization of the above-mentioned technical means, this creation can be selectively assembled on the transmission shaft of the casing by using the modular coaxial gear set, which is easy to assemble and repair, and is convenient for warehouse management. , To reduce storage space, thereby reducing the difficulty and cost of assembly. At the same time, the modular coaxial gear set is installed on the transmission shaft, which can reduce the accumulation of errors, improve the concentricity of the deceleration mechanism after assembly, and make the overall deceleration mechanism The assembly structure is more stable, and the meshing degree is improved, so that it can reduce vibration and noise during operation, and can extend its service life and improve transmission efficiency, thereby increasing the added value of the product and improving its economic benefits.

And this creation uses the following technical means to further achieve the aforementioned purposes and effects; such as:.

The casing has at least one first installation chamber for the installation of the drive shaft and the coaxial gear set, and the front and rear ends of the casing are respectively locked with a first casing cover and a second casing cover, and the transmission Both ends of the shaft can be pivoted between the casing and the first casing cover by using a bearing respectively.

One end of the transmission shaft has a mounting section and a coupling portion, and the sun gear shaft of the inner gear ring rail has a corresponding coupling hole that passes through the mounting section, and the coupling hole is embedded with a The coupling block of the coupling part of the transmission shaft is synchronously engaged, and a locking member can be used to press the coupling block and be locked on the transmission shaft.

Both ends of the sun gear are respectively pivoted with a first bearing and a second bearing to pivot the first wheel carrier and the second wheel carrier of the planetary gear set.

The second wheel carrier axis of the planetary gear set has a shaft tube for mounting the output member, and the shaft tube uses a third bearing to pivot the output member.

The center of the shaft tube of the second wheel carrier has a level mounting hole for passing a mounting shaft, and one end of the mounting shaft can be set on the other end of the sun gear through the second bearing, wherein the mounting shaft has a through hole , For the use of hand tools to penetrate and operate the locking member of the aforementioned sun gear coupling block.

The opposite surfaces of the first and second wheel carriers of the planetary gear set are formed with a plurality of counterbore posts that are relatively attached to each other, and a screw lock piece that can be relatively locked is respectively penetrated so that the first and second wheels on the sun gear The frame can be combined with the cover.

A plurality of shafts for mounting planetary gears are arranged between the first and second wheel carriers, and at least one bearing is used to pivot opposite planetary gears on each shaft.

The driving wheel portion of the outer edge of the output member may be an external gear surface, and the output member has an inner tooth edge corresponding to the second wheel portion of the planetary gear.

In order to enable your reviewer to further understand the composition, features and other purposes of this creation, the following is a preferred embodiment of this creation, and detailed descriptions in conjunction with the drawings, while allowing those familiar with the technical field to be able to implement it in detail.

This creation is a modular coaxial gear set deceleration mechanism. In the specific embodiments and components of this creation illustrated in the accompanying drawings, all about front and back, left and right, top and bottom, top and bottom, and horizontal and The vertical reference is only used for the convenience of description, and does not limit this creation, nor does it limit its components to any position or spatial direction. The drawings and the size specified in the specification can be changed according to the design and requirements of this creation without departing from the scope of the patent application for this creation.

The composition of the modular coaxial gear reduction mechanism of this creation is shown in Figures 3 and 4. It consists of a housing (10) and a drive shaft (15 ), an inner gear ring rail (18) arranged on the inner edge of the casing (10) and a coaxial gear group (20) arranged between the drive shaft (15) and the inner gear ring rail (18), making it When installing, the pre-completed modular coaxial gear set (20) can be set on the transmission shaft (15), which has the effect of easy assembly and high coaxiality;

As for the detailed structure of the preferred embodiment of the modular coaxial gear reduction mechanism of this creation, please refer to the fourth and fifth figures. The casing (10) has a first installation chamber (11) and a second installation Chamber (12), wherein the first installation chamber (11) is used for setting the transmission shaft (15) and the coaxial tooth group (20), and the second installation chamber (12) is used for setting the meshing with the coaxial tooth group (20) The passive group of the transmission (not shown in the figure), and the front and rear ends of the casing (10) are respectively locked with a first casing cover (13) and a second casing cover (14) to protect the internal components, In addition, both ends of the transmission shaft (15) can be pivoted between the casing (10) and the first casing cover (13) by using a bearing, and the transmission shaft (15) has a mounting section at one end that passes through the casing (10) (16) and a coupling part (17) for the aforementioned coaxial gear set (20) to install and generate a linkage relationship, and the inner gear ring rail (18) is locked in the first installation chamber of the casing (10) (11) The inner edge corresponds to the passing point of the drive shaft (15);

For the detailed structure of the aforementioned coaxial gear set (20), please refer to Figures 6 and 7. The coaxial gear set (20) includes a sun gear (21), a planetary gear set (30) and an output The modular structure of the component (40), wherein the sun gear (21) has a coupling hole (22) that passes through the mounting section (16) of the transmission shaft (15), and the coupling hole (22) is embedded It is provided with a coupling block (23) that can synchronize the coupling part (17) of the transmission shaft (15), and a locking member (24) can be used to press the coupling block (23) to lock the transmission shaft (15). ) Above [as shown in the fifth figure], so that the coaxial gear set (20) can be selectively mounted on the mounting section (16) of the transmission shaft (15) using the sun gear (21), and the sun gear (21) ) And use a first bearing (25) and a second bearing (27) to pivot the planetary gear set (30). The planetary gear set (30) has a first wheel carrier (31) and a second bearing (27). A two-wheel carrier (35) and a plurality of planetary gears (33) meshing around the sun gear (21), wherein the first wheel carrier (31) is provided at one end of the sun gear (21) through the first bearing (25), and The shaft of the second wheel carrier (35) has a shaft tube (36) for mounting the output member (40), and the free end of the shaft tube (36) can be pivoted on the second shell cover (14) through a bearing, In addition, the center of the shaft tube (36) of the second wheel frame (35) has a level mounting hole (360) for the end of a mounting shaft (361) to pass through, and one end of the mounting shaft (361) can pass through the second The bearing (27) is arranged at the other end of the sun gear (21), wherein the mounting shaft (361) has a through hole (362) for penetrating and operating the lock of the coupling block (23) of the sun gear (21) with a hand tool The fixture (24), and the opposite surfaces of the first and second wheel frames (31, 35) are formed with a plurality of counterbore posts (310, 350) that are relatively attached to each other, and a screw lock piece (311) that can be relatively locked is penetrated respectively. , 351), so that the first and second wheel carriers (31, 35) on the sun gear (21) can be combined into one body, and the first and second wheel carriers (31, 35) are provided with a plurality of planetary gears (33) ) Shaft (32), and each shaft (32) uses at least one bearing (321) to pivot opposite planetary gears (33), and each planetary gear (33) has a synchronizable and sun gear (21) The first wheel part (331) meshed with the inner gear ring rail (18) [as shown in the eighth figure], and the first wheel part (331) side of each planetary gear (33) is integrally connected There is a second wheel portion (332) that can mesh with the output member (40) [as shown in the ninth figure], so that the sun gear (21) of the coaxial gear set (20) can synchronously drive the first wheel of the planetary gear (33) A wheel part (331), and is limited by the internal gear ring rail (18) to make the planetary gear (33) self-revolve, and at the same time the second wheel part (332) of each planetary gear (33) drives the output synchronously Pieces (40) , And the output piece (40) is pivoted on the shaft tube (36) of the second wheel carrier (35) of the planetary gear set (30) using a third bearing (41), and the inner edge of the output piece (40) There is an inner tooth rim (42) that can mesh with the second wheel portion (332) of the planetary gear (33) of the planetary gear set (30), and the outer edge of the output member (40) has a rim that can be connected with the passive component (in the figure) Not shown] The meshing driving wheel part (45), the driving wheel part (45) can be an external gear surface or a friction wheel surface. The driving wheel part (45) of the creative output part (40) is an example of an external gear surface ；

Thereby, the coaxial gear set (20) can be pre-assembled, and selectively assembled on the transmission shaft (15) of the casing (10), and synchronously meshed with the inner gear ring rail (18), and the group constitutes a Modular coaxial gear reduction mechanism.

As for the actual operation of the modular coaxial gear set reduction mechanism of this creation, it is shown in the third, fourth and fifth figures, because the sun gear (21) of the coaxial gear set (20) is equipped with a planetary gear set (30). ) And the output part (40), so that the coaxial gear set (20) can be pre-assembled into a modular one-piece structure in the factory, so that the staff can use the coaxial gear set (20) with a sun gear (21) when assembling ) Assemble on the drive shaft (15) once, and make the first wheel part (331) of the planetary gear (33) of the planetary gear set (30) of the coaxial gear set (20) and the inner part (331) of the housing (10) The gear ring rail (18) meshes and is locked on the transmission shaft (15) by the locking member (24) of the inner coupling block (23) of the sun gear (21). At the same time, when the transmission shaft (15) is driven, The sun gear (21) of the coaxial gear set (20) can be driven synchronously, so that the sun gear (21) can synchronously drive the planet gear (33), and is limited by the first wheel part (331) of the planet gear (33) ) Is meshed with the inner gear ring rail (18) [as shown in the eighth figure], and the planetary gear (33) can revolve synchronously relative to the sun gear (21) in a self-rotating manner, and because of the planetary gears (33) The second wheel part (332) and the first wheel part (331) are an integral structure, and the second wheel part (332) of each planetary gear (33) meshes with the output member (40) (as in the first As shown in the nine figures], each of the planetary gears (33) can synchronously drive the output member (40), and then can drive the passive member (not shown in the figure).

Through the aforementioned design and description, the modular coaxial gear set deceleration mechanism of this creation uses the modular coaxial gear set (20) to be selectively assembled on the drive shaft (15) of the casing (10), and can have It is easy to assemble and replace and repair, and it can be convenient for warehouse management to reduce storage space, thereby reducing the difficulty and cost of assembly. At the same time, because the sun gear (21), planetary gear (33) and output parts (40) are modularized The coaxial gear set (20) is installed on the transmission shaft (15), so it can reduce the accumulation of errors, improve the concentricity of the deceleration mechanism after assembly, and make the overall assembly structure of the deceleration mechanism more stable and improve the meshing degree. It can reduce vibration and noise during operation, and can prolong its service life and improve transmission efficiency.

From this, it can be understood that this creation is an extremely creative creation, in addition to effectively solving the problems faced by the habitists, it has greatly improved the efficiency, and there is no identical or similar product creation or public use in the same technical field. At the same time, it has the enhancement of efficacy, so this creation has met the "novelty" and "progressive" requirements of the new patent, and the application for the new patent is filed in accordance with the law.

10: Chassis 11: The first installation room 12: The second installation room 13: The first cover 14: second cover 15: drive shaft 16: Installation section 17: Coupling 18: Internal gear ring rail 20: Coaxial gear group 21: Sun gear 22: Coupling hole 23: Coupling block 24: lock firmware 25: The first bearing 27: The second bearing 30: Planetary gear set 31: first round frame 310: Counterbore column 311: screw lock 32: Axle 321: Bearing 33: Planetary gear 331: first round 332: The second round 35: second round frame 350: Counterbore column 351: Screw Lock Parts 36: Shaft tube 360: level mounting hole 361: Install shaft 362: Perforation 40: output 41: The third bearing 42: Internal tooth margin 45: drive wheel 80: Sun gear 81: drive shaft 85: planetary gear carrier 86: Planetary gear 90: Internal gear ring 95: Chassis

The first figure: is a partial three-dimensional cross-sectional schematic diagram of the existing deceleration mechanism to illustrate its main composition state.

The second figure: is a schematic side sectional view of the existing deceleration mechanism to illustrate its composition.

Figure 3: The schematic diagram of the three-dimensional appearance of the modular coaxial gear reduction mechanism of this creation.

The fourth figure: is a schematic diagram of most of the modular coaxial gear reduction mechanism of this creation, for explaining the state of its main modules and their relative relations.

Figure 5: It is a schematic diagram of the side view cross-section of the modular coaxial gear reduction mechanism of this creation.

Figure 6: It is a three-dimensional exploded schematic diagram of the coaxial gear set in the modular coaxial gear set reduction mechanism of this creation, to illustrate the state and relative relationship of its various components.

Figure 7: It is a schematic side view of the coaxial gear set in the modular coaxial gear set reduction mechanism of this creation.

Figure 8: It is the 8-8 cross-sectional schematic diagram of the modular coaxial gear reduction mechanism of this creation in Figure 7, illustrating its first meshing and action state.

Figure 9: It is the 9-9 cross-sectional schematic diagram of the modular coaxial gear reduction mechanism of this creation in Figure 7, illustrating its second meshing and action state.

10: Chassis

11: The first installation room

12: The second installation room

13: The first cover

14: second cover

15: drive shaft

16: Installation section

17: Coupling

18: Internal gear ring rail

20: Coaxial gear group

30: Planetary gear set

33: Planetary gear

36: Shaft tube

40: output

45: drive wheel

Claims (12)

A modularized coaxial gear set deceleration mechanism, which includes: a housing; a transmission shaft pivoted on the housing; an inner gear ring rail locked on the housing; a coaxial gear set including a The sun gear, a planetary gear set and an output member, wherein the sun gear can be selectively locked to the aforementioned transmission shaft and rotates synchronously, and the planetary gear set is pivoted between the two ends of the sun gear, and the planetary gear The set can mesh with the sun gear and the inner gear ring rail synchronously, and the output member is arranged on the side of the planetary gear set different from the inner gear ring rail, and the output member can be driven by the planetary gear set. The modular coaxial gear set deceleration mechanism according to claim 1, wherein the housing has at least one first installation chamber for the drive shaft and the coaxial gear set to be installed, and the front and rear ends of the housing are respectively locked with covers A first shell cover and a second shell cover, and both ends of the transmission shaft can be pivoted between the casing and the first shell cover by using a bearing. The modular coaxial gear set reduction mechanism according to claim 1, wherein one end of the transmission shaft has a mounting section and a coupling portion, and the sun gear shaft center of the coaxial gear set has a corresponding sleeve passing through the mounting section The coupling hole is embedded with a coupling block that can synchronize the coupling part of the transmission shaft, and a locking member can be used to press the coupling block and then be locked on the transmission shaft. The modular coaxial gear set reduction mechanism according to claim 1, wherein the planetary gear set of the coaxial gear set is pivotally provided at both ends of the sun gear with a first wheel carrier and a second wheel carrier opposite to each other, and The sun gear between the first and second wheel frames A plurality of planetary gears are pivoted on the periphery of the wheel, and each of the planetary gears has a first wheel portion that can be meshed with the sun gear and the inner ring rail synchronously, and each planetary gear has a first wheel portion that can be meshed with the output member. Two wheel parts, and the output member is pivoted on the second wheel carrier of the planetary gear set. The modular coaxial gear set reduction mechanism according to claim 4, wherein the sun gear is pivoted on both ends of the sun gear by using a first bearing and a second bearing to pivot the first wheel carrier and the second wheel carrier of the planetary gear set . The modular coaxial gear set reduction mechanism according to claim 4, wherein the second wheel carrier axis of the planetary gear set has a shaft tube for mounting the output member, and the shaft tube uses a third bearing to pivot the output Pieces. The modular coaxial gear set reduction mechanism according to claim 5, wherein the second wheel carrier axis of the planetary gear set has a shaft tube for mounting the output member, and the shaft tube uses a third bearing to pivot the output Pieces. The modular coaxial gear reduction mechanism of claim 7, wherein the center of the shaft tube of the second wheel frame has a level mounting hole for passing through a mounting shaft, and one end of the mounting shaft can pass through the second bearing It is arranged at the other end of the sun gear, wherein the mounting shaft has a through hole. The modular coaxial gear set deceleration mechanism as described in claim 4, wherein the opposite surfaces of the first and second wheel carriers of the planetary gear set are formed with a plurality of counterbore posts that are relatively attached to each other, and a relatively lockable counterbore column is formed respectively. The screw lock makes the first and second wheel frames on the sun gear can be integrated into one body. The modular coaxial gear reduction mechanism according to claim 4, wherein a plurality of shafts for mounting planetary gears are arranged between the first and second wheel carriers, and at least one bearing is used on each of the shafts to pivot relative to each other. Planetary gear. The modular coaxial gear reduction mechanism according to claim 4, wherein the inner edge of the output member has an inner tooth edge that can mesh with the second wheel portion of each of the planetary gears, and the outer edge of the output member has an inner tooth edge The driving wheel part of the transmission. The modular coaxial gear reduction mechanism according to claim 11, wherein the driving wheel portion of the outer edge of the output member may be an external gear surface or a friction wheel surface.

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