CN210686902U

CN210686902U - Speed reducer for rubber machinery

Info

Publication number: CN210686902U
Application number: CN201921348560.0U
Authority: CN
Inventors: 万镇; 王书红
Original assignee: Jiangsu Jintai New Reducer Co Ltd
Current assignee: Jiangsu Jintai New Reducer Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-06-05
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a relate to speed reducer technical field, specifically be a speed reducer for rubber machinery, including the speed reducer casing, be provided with the speed reducer shaft on the speed reducer casing, the speed reducer shaft is provided with the gear in the inside one end of speed reducer casing, and the gear is formed by six outer ring gear concatenations of group, and the equal fixed welding in inner circle department both ends of outer ring gear has the fixed plate, and the fixed welding in the inner of fixed plate has solid fixed ring. The middle gear of the utility model is formed by splicing six groups of external gear rings, can be independently replaced when damaged, reduces the maintenance cost, saves materials, and meets the requirements of energy conservation and environmental protection; the utility model discloses well outer ring gear simple to operate, and fixed firm, the practicality is strong.

Description

Speed reducer for rubber machinery

Technical Field

The utility model relates to a speed reducer technical field specifically is a speed reducer for rubber machinery.

Background

The speed reducer for rubber machinery is generally used for transmission equipment with low rotating speed and large torque, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer, but the speed reducer still has the following defects in the actual use process:

in the prior art, gears of the speed reducer for the rubber machinery are prone to severe abrasion or are stuck to cause gear damage and influence use, and the gears are prone to integral replacement when damaged, so that maintenance cost is increased.

Therefore, we propose a speed reducer for rubber machinery to solve the above disadvantages well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed reducer for rubber machinery to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed reducer for rubber machinery, includes the speed reducer casing, be provided with the speed reducer axle on the speed reducer casing, the speed reducer axle is provided with the gear in the inside one end of speed reducer casing, the gear is formed by six outer ring gear concatenations, the equal fixed welding in inner circle department both ends of outer ring gear has the fixed plate, and the fixed welding in the inner of fixed plate has solid fixed ring, and it is fixed through set screw between the fixed plate of laminating each other, set screw's tip is connected with stop nut through screw-thread fit, the equal activity in both ends of gear is laminated with the spacing ring, fixed welding has the fixed column in the face that the spacing ring is close to the gear, the fixed column is ring array form and is provided with six groups, and six groups of fixed columns activity respectively are inserted and are.

Preferably, the fixed ring is movably sleeved on the outer ring of the shaft of the speed reducer, and six groups of fixed rings form a circular ring structure.

Preferably, the limiting ring is of a circular ring-shaped structure and is fixed on the shaft of the speed reducer through a fixing screw.

Preferably, the fixing column is of a cylindrical structure, and the length of the fixing column is equal to one fourth of the length of the fixing ring.

Preferably, the inner ring of the fixing ring is provided with a spline, a key groove is clamped in the spline in a matching mode, and the key groove is fixedly welded on the surface of the outer ring of the speed reducer shaft.

Preferably, a gear is arranged at the outer ring of the outer gear ring, and the outer gear ring is of an arc-shaped plate-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the middle gear of the utility model is formed by splicing six groups of external gear rings, can be independently replaced when damaged, reduces the maintenance cost, saves materials, and meets the requirements of energy conservation and environmental protection;

2. the utility model discloses well outer ring gear simple to operate, and fixed firm, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front structural view of the reducer shaft and the gear of the present invention;

fig. 3 is a schematic structural view of the back of the reducer shaft and the gear of the present invention;

figure 4 is a front view of the reducer shaft and gears of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;

fig. 7 is a cross-sectional view taken at C-C of fig. 4 according to the present invention.

In the figure: the speed reducer comprises a speed reducer shell 1, a speed reducer shaft 2, an external gear ring 3, a fixing plate 4, a fixing ring 5, a limiting ring 6, a limiting nut 7, a fixing screw 8, a fixing screw 9, a key groove 10, a spline 11, a fixing hole 12 and a fixing column 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: a speed reducer for rubber machinery comprises a speed reducer shell 1, wherein a speed reducer shaft 2 is arranged on the speed reducer shell 1, a gear is arranged at one end of the speed reducer shaft 2 in the speed reducer shell 1 and is formed by splicing six groups of outer toothed rings 3, the gear is arranged at the outer ring of each outer toothed ring 3, each outer toothed ring 3 is of an arc-shaped plate-shaped structure, and the six groups of outer toothed rings 3 are ensured to be spliced into one gear;

the two ends of the inner ring of the outer gear ring 3 are fixedly welded with fixing plates 4, the inner ends of the fixing plates 4 are fixedly welded with fixing rings 5, the fixing rings 5 are movably sleeved at the outer ring of the speed reducer shaft 2, and six groups of fixing rings 5 form a circular ring structure, so that the speed reducer is convenient to disassemble, assemble and replace independently;

the fixing plates 4 which are mutually attached are fixed through fixing screws 8, the end parts of the fixing screws 8 are connected with limit nuts 7 through thread fit, two ends of the gear are movably attached with limit rings 6, the limit rings 6 are of circular ring structures, the limit rings 6 are fixed on the speed reducer shaft 2 through fixing screws 9, and the limit rings 6 are convenient to fix;

a fixing column 13 is fixedly welded on one surface of the limiting ring 6, which is close to the gear, the fixing column 13 is of a cylindrical structure, the length of the fixing column 13 is equal to one fourth of the length of the fixing ring 5, so that the fixing column 13 can be stably connected to the fixing ring 5, and the integral strength of the fixing ring 5 is not influenced;

wherein, six groups of fixing columns 13 are arranged in a circular ring array shape, and the six groups of fixing columns 13 are movably inserted into the fixing holes 12 on the side surfaces of the six groups of outer toothed rings 3 respectively.

The inner ring of the fixing ring 5 is provided with a spline 11, the spline 11 is matched and clamped with a key groove 10, the key groove 10 is fixedly welded on the surface of the outer ring of the speed reducer shaft 2, the spline 11 is clamped in the key groove 10, transmission connection between the speed reducer shaft 2 and a gear is further guaranteed, stress generated by the position of a fixing column 13 when the speed reducer shaft 2 drives the gear to rotate is reduced, and the service life of the device is prolonged.

The working principle is as follows:

outer ring gear 3 establishes in 2 outer lane departments of speed reducer shaft through solid fixed ring 5 cover, fixed plate 4 between the adjacent outer ring gear 3 passes through set screw 8 to be fixed, the purpose that the outer ring gear 3 concatenation of six groups is a gear has been realized, and mounting structure is firm, afterwards, it is equipped with spacing ring 6 to overlap at gear both sides face, and spacing ring 6 passes through set screw 9 to be fixed on speed reducer shaft 2, six group's fixed columns 13 on the spacing ring 6 are inserted and are closed and fix in the fixed orifices 12 of six solid fixed ring 5 sides of group, realize that the transmission between speed reducer shaft 2 and the gear is connected, it is fixed simple firm, high durability and convenient use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a speed reducer for rubber machinery, includes speed reducer casing (1), its characterized in that: a speed reducer shaft (2) is arranged on the speed reducer shell (1), a gear is arranged at one end of the speed reducer shaft (2) in the speed reducer shell (1), the gear is formed by splicing six groups of outer toothed rings (3), fixing plates (4) are fixedly welded at two ends of the inner ring of each outer toothed ring (3), fixing rings (5) are fixedly welded at the inner ends of the fixing plates (4), the fixing plates (4) which are mutually attached are fixed through fixing screws (8), the end part of the fixing screw (8) is connected with a limit nut (7) through thread matching, both ends of the gear are movably jointed with limiting rings (6), one surface of each limiting ring (6) close to the gear is fixedly welded with a fixed column (13), six groups of fixing columns (13) are arranged in a circular ring array shape, and the six groups of fixing columns (13) are movably inserted into fixing holes (12) in the side faces of the six groups of outer toothed rings (3) respectively.

2. A reducer for rubber machinery according to claim 1, wherein: the fixed ring (5) is movably sleeved on the outer ring of the speed reducer shaft (2), and six groups of fixed rings (5) form a circular ring structure.

3. A reducer for rubber machinery according to claim 1, wherein: the limiting ring (6) is of a circular ring-shaped structure, and the limiting ring (6) is fixed on the speed reducer shaft (2) through a fixing screw (9).

4. A reducer for rubber machinery according to claim 1, wherein: the fixing column (13) is of a cylindrical structure, and the length of the fixing column (13) is equal to one fourth of the length of the fixing ring (5).

5. A reducer for rubber machinery according to claim 1, wherein: the inner ring of the fixing ring (5) is provided with a spline (11), a key groove (10) is matched and clamped in the spline (11), and the key groove (10) is fixedly welded on the surface of the outer ring of the speed reducer shaft (2).

6. A reducer for rubber machinery according to claim 1, wherein: the outer ring of the outer gear ring (3) is provided with a gear, and the outer gear ring (3) is of an arc-shaped plate-shaped structure.