CN213744727U

CN213744727U - Novel ball worm speed reducer

Info

Publication number: CN213744727U
Application number: CN202022729601.XU
Authority: CN
Inventors: 张德明
Original assignee: Shanghai Lianzi Energy Technology Co ltd
Current assignee: Shanghai Lianzi Energy Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-20
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a novel ball worm speed reducer belongs to speed reducer technical field. The utility model discloses a quick-witted case, worm subassembly and worm wheel subassembly, the worm subassembly transversely sets up at quick-witted incasement portion, and the worm subassembly includes worm and planet wheel subassembly, and the planet wheel subassembly sets up at the worm right-hand member, and the planet wheel subassembly includes the sun gear, and the sun gear cover is established at worm right-hand member outside surface, and worm right-hand member outside surface is provided with a plurality of planet wheels, and the planet wheel cooperatees with the sun gear and is connected, and the inside pinion that sets up of worm right-hand member, worm wheel subassembly vertically set up in quick-witted incasement portion's worm subassembly below, and the worm wheel subassembly cooperatees with the worm and is connected, and the worm wheel subassembly is connected with quick-witted case through the lower cover, the utility model discloses machine case structure is compacter, and more convenient when being connected with other equipment, and firm, sets up quick-witted case into two parts, and is easier when assembling the steel ball, is convenient for install and maintain.

Description

Novel ball worm speed reducer

Technical Field

The utility model relates to a novel ball worm speed reducer belongs to speed reducer technical field.

Background

The ball worm reducer is an industrial product with wide application, is suitable for industrial industries such as lifting transportation, engineering machinery, metallurgy, mines, petrochemical industry, construction machinery, light industry, textile, medical appliances, automobiles, ships, weapons, aerospace and the like, and is mainly applied to mechanical arms of high-precision robots.

The existing cam speed reducer has high cost and low strength, and the existing cylindrical worm speed reducer and toroidal worm speed reducer have low mechanical efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a novel ball worm speed reducer for solve among the prior art current cam speed reducer with high costs, intensity is low, current cylinder worm speed reducer and the problem of anchor ring worm speed reducer mechanical inefficiency.

To achieve the above and other related objects, the present invention provides a novel ball worm reducer comprising: the worm assembly is transversely arranged inside the case, the worm assembly comprises a worm and a planet wheel assembly, the planet wheel assembly is arranged at the right end of the worm, the planet wheel assembly comprises a sun wheel, the sun wheel is sleeved on the outer side surface of the right end of the worm, a plurality of planet wheels are arranged on the outer side surface of the right end of the worm, the planet wheels are matched and connected with the sun wheel, a pinion is arranged inside the right end of the worm, teeth are arranged on the outer side surface of the pinion, the pinion is matched and connected with the planet wheels through the teeth, the worm wheel assembly is longitudinally arranged below the worm assembly inside the case, the worm wheel assembly is matched and connected with the worm, and the worm wheel assembly is connected with the case through a lower cover.

By adopting the technical scheme: when the ball worm speed reducer operates, the pinion is connected with the driving motor, the driving motor drives the pinion to rotate, the pinion is connected with the planet wheel through teeth, the planet wheel is driven to rotate, the sun wheel is connected to the outer side of the planet wheel, the planet wheel drives the worm to rotate under the action of the sun wheel, the speed of the worm is changed, the worm is connected with the worm wheel assembly in a matched mode, the worm rotates to drive the worm wheel assembly to rotate, and therefore the speed of the speed reducer is changed.

In an embodiment of the present invention, the two ends of the worm assembly are connected to the chassis through the front cover and the frame, respectively.

By adopting the technical scheme: two ends of the worm component are respectively fixedly connected with the case through the front cover and the base.

In an embodiment of the present invention, the connecting portion between the worm and the worm wheel assembly is provided with a plurality of steel balls, the surface of the worm is provided with two blind holes, the worm is hollow inside, the conduit is arranged inside, and the two semicircular slots of the conduit are aligned with the two blind holes on the surface of the outer side of the worm respectively.

By adopting the technical scheme: the steel balls are arranged between the worm and the worm wheel assembly, the worm drives the worm wheel assembly to rotate under the action of the steel balls when rotating, the steel balls move between the worm and the worm wheel assembly, enter the two semicircular groove holes of the guide pipe inside the worm through one blind hole in the outer side surface of the worm, and then enter the space between the worm and the worm wheel assembly through the other blind hole in the outer side surface of the worm to form the circular motion of the steel balls, so that the friction force between the worm and the worm wheel assembly is reduced, and the transmission coefficient between the worm and the worm wheel assembly is improved.

In an embodiment of the present invention, the guide tube is connected to the worm through a positioning pin.

By adopting the technical scheme: one end of the guide pipe is fixedly connected inside the worm through a positioning pin.

In an embodiment of the utility model, the planet wheel be connected with worm right-hand member outside surface through the round pin axle, the planet wheel is provided with the kingpin with round pin hub connection department.

By adopting the technical scheme: the connecting part of the planet wheel and the pin shaft is provided with a roller pin, and the roller pin reduces the friction force between the planet wheel and the pin shaft.

As above, the utility model discloses a novel ball worm speed reducer has following beneficial effect:

the utility model discloses in with sun gear complete built-in on the planetary gear, make quick-witted case structure compacter, it is more convenient when being connected with other equipment, and firm, set the machine case into two parts, it is easier during the assembly steel ball, be convenient for install and maintain, set steel ball pipe into an integrated into one piece processing, processing is easier, more tradition with the revolving stage cost reduction of specification about 30%, practice thrift the cost, the worm sets up the steel ball with the worm wheel junction, has improved the transmission efficiency between worm wheel and the worm.

Drawings

Fig. 1 shows a schematic structural view of a novel ball worm reducer according to an embodiment of the present invention.

Fig. 2 shows a schematic diagram of a right-side view structure of a novel ball worm reducer in an embodiment of the present invention.

Fig. 3 is a schematic view of a bottom structure of a novel ball worm reducer according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a cross section B-B in fig. 2 of a novel ball worm reducer according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a cross-sectional structure a-a in fig. 1 of a novel ball worm reducer according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a cross-sectional structure of the ball worm reducer shown in fig. 3 according to an embodiment of the present invention.

Fig. 7 is a schematic view of the overall structure of the worm assembly of the ball worm reducer according to the embodiment of the present invention.

Fig. 8 is a schematic view of an internal structure of a worm assembly of the ball worm reducer according to an embodiment of the present invention.

Fig. 9 is a schematic view of a worm wheel structure of a novel ball worm reducer according to an embodiment of the present invention.

Wherein, 1, a front cover; 2. a chassis; 3. a machine base; 4. a lower cover; 5. a worm assembly; 6. a worm gear assembly; 7. a planet wheel; 8. a sun gear; 9. rolling needles; 10. a pin shaft; 11. a conduit; 12. a pinion gear; 13. a worm; 14. positioning pins; 15. and a planet wheel assembly.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 9. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a novel ball worm reducer, including: case 2, worm subassembly 5 and worm wheel subassembly 6, worm subassembly 5 transversely set up inside case 2, worm subassembly 5 includes worm 13 and planet wheel subassembly 15, planet wheel subassembly 15 set up at worm 13 right-hand member, planet wheel subassembly 15 includes sun gear 8, the sun gear 8 cover is established at worm 13 right-hand member outside surface, worm 13 right-hand member outside surface is provided with a plurality of planet wheels 7, planet wheel 7 is connected with sun gear 8 cooperatees, worm 13 right-hand member is inside to be provided with pinion 12, pinion 12 outside surface is provided with the tooth, pinion 12 cooperatees with planet wheel 7 through the tooth and is connected, worm wheel subassembly 6 vertically set up in the inside worm subassembly 5 below of case 2, worm wheel subassembly 6 cooperatees with worm 13 and is connected, worm wheel subassembly 6 is connected with case 2 through lower cover 4.

Two ends of the worm assembly 5 are respectively connected with the case 2 through the front cover 1 and the base 3.

The worm 13 and the worm wheel component 16 are provided with a plurality of steel balls at the matching connection part, the surface of the worm 13 is provided with two blind holes, the worm 13 is hollow, the inside of the worm 13 is provided with a guide pipe 11, and two semicircular slotted holes of the guide pipe 11 are respectively aligned with the two blind holes on the outer side surface of the worm 13.

One end of the guide tube 11 is connected with the worm 13 through a positioning pin 14.

The planet wheel 7 is connected with the outer side surface of the right end of the worm 13 through a pin shaft 10, and a roller pin 9 is arranged at the joint of the planet wheel 7 and the pin shaft 10.

To sum up, the utility model discloses in with sun gear complete built-in on the planetary gear, make quick-witted case structure compacter, it is more convenient when being connected with other equipment, and firm, set the machine case to two parts, it is easier during the assembly steel ball, the installation maintenance of being convenient for sets steel ball pipe to an organic whole processing, and processing is easier, and the cost is practiced thrift about the revolving stage cost reduction 30% of more tradition with the specification, and worm wheel junction set up the steel ball, has improved the transmission efficiency between worm wheel and the worm. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a novel ball worm speed reducer machine which characterized in that, a novel ball worm speed reducer machine includes: the worm assembly (5) is transversely arranged inside the case (2), the worm assembly (5) comprises a worm (13) and a planet wheel assembly (15), the planet wheel assembly (15) is arranged at the right end of the worm (13), the planet wheel assembly (15) comprises a sun wheel (8), the sun wheel (8) is sleeved on the outer side surface of the right end of the worm (13), a plurality of planet wheels (7) are arranged on the outer side surface of the right end of the worm (13), the planet wheels (7) are matched and connected with the sun wheel (8), a pinion (12) is arranged inside the right end of the worm (13), teeth are arranged on the outer side surface of the pinion (12), the pinion (12) is matched and connected with the planet wheels (7) through the teeth, and the worm wheel assembly (6) is longitudinally arranged below the worm assembly (5) inside the case (2), the worm wheel component (6) is matched and connected with the worm (13), and the worm wheel component (6) is connected with the case (2) through the lower cover (4).

2. The novel ball worm reducer according to claim 1, characterized in that: two ends of the worm component (5) are respectively connected with the case (2) through the front cover (1) and the base (3).

3. The novel ball worm reducer according to claim 1, characterized in that: the worm (13) and the worm wheel component (6) are provided with a plurality of steel balls at the matching connection part, two blind holes are formed in the surface of the worm (13), the worm (13) is hollow, a guide pipe (11) is arranged in the worm (13), and two semicircular slotted holes of the guide pipe (11) are respectively aligned with the two blind holes in the outer side surface of the worm (13).

4. The novel ball worm reducer according to claim 3, characterized in that: one end of the guide pipe (11) is connected with the worm (13) through a positioning pin (14).

5. The novel ball worm reducer according to claim 1, characterized in that: the planet wheel (7) is connected with the outer side surface of the right end of the worm (13) through a pin shaft (10), and a roller pin (9) is arranged at the joint of the planet wheel (7) and the pin shaft (10).