CN218746081U

CN218746081U - Coaxial correcting unit of boring machine workstation subassembly ring gear installation

Info

Publication number: CN218746081U
Application number: CN202221834671.4U
Authority: CN
Inventors: 高文敏; 王久龙; 张显文; 梁迪
Original assignee: Neway Cnc Equipment Suzhou Co ltd
Current assignee: Neway Cnc Equipment Suzhou Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-03-28
Anticipated expiration: 2032-07-14

Abstract

The utility model belongs to the technical field of precision assembly of numerical control boring and milling machines, and provides a coaxial correcting unit of boring machine workbench assembly gear ring installation, which comprises a rotating shaft which is a stepped cylinder and a bracket with an open slot, wherein the bracket is tightly connected with the rotating shaft through a screw, a double-row ditch is formed on the rotating shaft, the open slot is assembled in the double-row ditch, and the assembled bracket is mutually vertical to the axis of the rotating shaft; the device is used for correction, and special equipment with a high-rotation-precision rotary table is not needed; the radial runout of the end face runout and the bearing hole of the workbench is not required to be corrected, the workbench can be stably placed at any station to be operated, the technical difficulty is low, the workload is small, the assembly period is short, and the efficiency is greatly improved.

Description

Coaxial correcting unit of boring machine workstation subassembly ring gear installation

Technical Field

The utility model belongs to the technical field of numerical control boring and milling machine precision assembly, especially, relate to a coaxial correcting unit of boring machine workstation subassembly ring gear installation.

Background

When a transmission gear ring is installed on a boring and milling machine workbench driving part, pitch circle run-out of the gear ring and coaxial precision of a bearing centering hole of the workbench part have great influence on transmission stability and numerical control precision of the workbench part, and the coaxial precision must be strictly ensured during installation.

Due to the structural characteristics of the gear ring and the workbench and the characteristics of the processing method and the like, the two parts are processed respectively and then assembled during assembly, and the coaxial precision is ensured. In order to achieve higher coaxial precision and reduce the respective processing difficulty and processing cost of the two parts, a radial adjustable matching mode is adopted in the design structure, and the correction is carried out by a method of meter printing correction, so that the assembly precision requirement is met. When the method is used for correction, a specific device with high rotation precision is needed, and the larger the boring machine workbench is, the larger the required device specification is, and the method cannot be realized without the specific device. When the gear ring is corrected, the boring machine workbench needs to correct the end face runout of the boring machine workbench and the radial runout of the bearing hole, so that the gear ring can be corrected, and the correction workbench is high in difficulty, large in workload, long in assembly period and low in efficiency.

Therefore, a coaxial correcting device for mounting a gear ring on a boring machine workbench assembly is needed, and the problems that specific equipment is needed for correction, the boring machine workbench needs to be corrected first, the difficulty is high, the correcting workload is large, the assembly period is long, and the efficiency is low are solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a coaxial correcting unit of boring machine workstation subassembly ring gear installation, include: be the pivot of ladder cylinder and the support that possesses the open slot, the support pass through the screw with pivot fastening connection, wherein, the pivot is formed with the biserial ditch, the open slot assemble in the biserial ditch, after the assembly the support with the axis mutually perpendicular of pivot.

Optionally, the bracket is provided with a handle, which is mounted on an upper portion of the bracket.

Optionally, the pivot includes one-level cylinder, second grade cylinder and tertiary cylinder, the bottom surface of one-level cylinder for the circle run-out tolerance of second grade cylinder external diameter is not more than 0.005mm, the bottom surface of second grade cylinder for the circle run-out tolerance of tertiary cylinder external diameter is not more than 0.005mm.

Optionally, the cylindricity tolerance of the secondary cylinder is not more than 0.005mm, and the cylindricity tolerance of the tertiary cylinder is not more than 0.005mm.

Optionally, the first-stage cylinder outer diameter is larger than the second-stage cylinder outer diameter, and the second-stage cylinder outer diameter is larger than the third-stage cylinder outer diameter.

Optionally, the rotating shaft is made of stainless steel material.

Optionally, the bracket is made of stainless steel material.

Optionally, the handle is made of stainless steel material.

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

the utility model provides a coaxial correcting unit of boring machine workstation subassembly ring gear installation, including the pivot that is the ladder cylinder and the support that possesses the open slot, the support passes through the screw and is connected with the pivot fastening, wherein, the pivot is formed with the biserial ditch, and the open slot assembles in the biserial ditch, and the support after the assembly is mutually perpendicular with the axis of pivot; the device is used for correction, and special equipment with a high-rotation-precision rotary table is not needed; the radial runout of the end face runout and the bearing hole of the workbench is not required to be corrected, the workbench can be stably placed at any station to be operated, the technical difficulty is low, the workload is small, the assembly period is short, and the efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the gear ring installation coaxial correction device of the boring machine workbench assembly of the present invention;

FIG. 2 is a schematic front view of a rotating shaft of the gear ring installation coaxial correction device of the boring machine workbench assembly of the present invention;

fig. 3 is an application schematic diagram of the coaxial correcting device for mounting the gear ring on the boring machine workbench assembly of the present invention.

Illustration of the drawings:

200. a correcting device; 201. a rotating shaft; 202. a support; 203. a handle; 204. an open slot; 205. double rows of grooves; 206. a primary column; 207. a secondary column; 208. a tertiary column; 209. a ring gear; 210. a work table; 211. and a bearing hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, the embodiment of the present invention provides a coaxial calibrating device 200 for gear ring installation of a boring machine table assembly, which includes a rotating shaft 201 that is a stepped cylinder and a bracket 202 having an open slot 204, specifically, the rotating shaft 201 can be made of stainless steel material, and the rotating shaft 201 includes a first-stage cylinder 206, a second-stage cylinder 207 and a third-stage cylinder 208. Wherein, the outer diameter of the first-stage column 206 is larger than that of the second-stage column 207, and the outer diameter of the second-stage column 207 is larger than that of the third-stage column 208; the circle run-out tolerance of the bottom surface of the primary cylinder 206 relative to the outer diameter of the secondary cylinder 207 is not more than 0.005mm, and the circle run-out tolerance of the bottom surface of the secondary cylinder 207 relative to the outer diameter of the tertiary cylinder 208 is not more than 0.005mm; the cylindricity tolerance of the secondary cylinder 207 is not more than 0.005mm, and the cylindricity tolerance of the tertiary cylinder 208 is not more than 0.005mm.

Further, the bracket 202 has a rod structure, and the bracket 202 may be made of stainless steel. The bracket 202 is provided with a handle 203, the handle 203 can be made of stainless steel materials, and the handle 203 is tightly arranged at the upper part of the bracket 202 to facilitate the operation of the bracket 202.

Further, the rotating shaft 201 is formed with a double row groove 205, the opening groove 204 of the bracket 202 is assembled in the double row groove 205 and then the bracket 202 is tightly connected with the rotating shaft 201 by a screw, and the axes of the assembled bracket 202 and the rotating shaft 201 are ensured to be perpendicular to each other.

Implement the utility model discloses a correcting unit 200, the correction operation as follows:

first, the bracket 202 is mounted on the rotating shaft 201 and locked by a screw.

Then, the ring gear 209 is mounted on the boring machine table 210, and the ring gear 209 is temporarily incompletely fastened, so that the adjustment ring gear 209 can be corrected.

Secondly, the rotating shaft 201 with the bracket 202 installed is placed in the bearing hole 211 of the workbench 210, and the outer circle of the rotating shaft 201 after precision grinding is in small clearance fit with the bearing hole 211, so that the rotating shaft 201 can rotate and the radial fit clearance meets the use requirement.

Fourthly, a gauge stand of an indicator (not shown) is sucked on the bracket 202, a measuring head of the indicator touches the addendum circle of the gear ring 209 to return to zero, and the addendum circle of the gear ring 209 is used as a measuring reference, wherein the gear ring 209 ensures that the addendum circle is concentric with the tooth surface pitch circle during processing.

Fifthly, the rotating shaft 201 is rotated, the value measured by the indicator on the gear ring 209 is recorded, the relative position of the gear ring 209 is adjusted radially according to the value until the radial run-out of the addendum circle meets the requirement, and the pitch circle run-out of the gear ring 209 also meets the requirement.

Finally, the locking gear ring 209 is provided with a screw, and a positioning pin is used for positioning.

Implement the utility model discloses a correcting unit 200 has following advantage:

first, no special required equipment is required: the device is used for correction, and special equipment with a high-rotation-precision turntable is not needed.

Secondly, the technical difficulty is low: the end face runout of the workbench 210 and the radial runout of the bearing hole 211 do not need to be corrected, operation can be performed at any station as long as the workbench 210 is stably placed, the technical difficulty is low, and the workload is small.

Thirdly, the efficiency is greatly improved: the gear ring 209 component assembly period of one workbench 210 needs 8 hours each by using the original technical scheme, only 2 hours each is needed for correction by using the device, and the efficiency is improved by 4 times.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a coaxial correcting unit of boring machine workstation subassembly ring gear installation which characterized in that includes: be the pivot of ladder cylinder and the support that possesses the open slot, the support pass through the screw with pivot fastening connection, wherein, the pivot is formed with the biserial ditch, the open slot assemble in the biserial ditch, after the assembly the support with the axis mutually perpendicular of pivot.

2. The boring machine table assembly ring gear mounting coaxial alignment device of claim 1, wherein the bracket is provided with a handle mounted on an upper portion of the bracket.

3. The boring machine table assembly gear ring mounting coaxial correction device of claim 1, characterized in that the rotating shaft comprises a primary cylinder, a secondary cylinder and a tertiary cylinder, the circle run-out tolerance of the bottom surface of the primary cylinder relative to the outer diameter of the secondary cylinder is not more than 0.005mm, and the circle run-out tolerance of the bottom surface of the secondary cylinder relative to the outer diameter of the tertiary cylinder is not more than 0.005mm.

4. The boring machine table assembly ring gear mounting coaxiality correction apparatus of claim 3, wherein the cylindricity tolerance of the secondary cylinders is no greater than 0.005mm, and the cylindricity tolerance of the tertiary cylinders is no greater than 0.005mm.

5. The boring machine table assembly ring gear mounting coaxial correction device of claim 4, characterized in that the primary cylinder outer diameter is greater than the secondary cylinder outer diameter, which is greater than the tertiary cylinder outer diameter.

6. The boring machine table assembly ring gear mount coaxial alignment device of claim 1, wherein the shaft is made of stainless steel material.

7. The boring machine table assembly ring gear mount coaxial correction device of claim 2, characterized in that the bracket is made of stainless steel material.

8. The boring machine table assembly ring gear mount coaxial alignment device of claim 7, wherein the handle is made of stainless steel material.