CN216913142U

CN216913142U - Main shaft dynamic balance detection positioning tool and correction tool

Info

Publication number: CN216913142U
Application number: CN202220135617.4U
Authority: CN
Inventors: 段旭涵; 陈小飞; 王辉辉; 胡修勇; 周敏
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-08
Anticipated expiration: 2032-01-19

Abstract

The utility model provides a main shaft dynamic balance detection positioning tool and a correction tool, wherein the main shaft is a main shaft on a Haylor machine tool, and the positioning tool is of a sleeve structure; the positioning tool can be sleeved on the main shaft and is positioned between the rear end counterweight and the front end counterweight hole of the main shaft; the positioning tool can be connected with the main shaft and is tightly pressed with the outer side face of the main shaft through the adjusting ring, so that the positioning tool can rotate together with the main shaft; the dynamic balance detection positioning tool and the correction tool for the main shaft provided by the utility model have the advantages of simple structure, easiness in manufacturing, capability of effectively positioning the main shaft so as to realize detection, simplicity and convenience in operation and improvement on the maintenance quality of the main shaft.

Description

Main shaft dynamic balance detection positioning tool and correction tool

Technical Field

The utility model belongs to the technical field of a spindle dynamic balance detection positioning tool, and particularly relates to a spindle dynamic balance detection positioning tool and a correction tool.

Background

The outer ring of the bearing of the mechanical main shaft (of the Haylor machine tool) is a spindle without a fixed seat, the main shaft fixed seat is arranged on the corresponding processing center of the main shaft, and the spindle cannot be driven due to the fact that the bearing of the spindle has no fixed seat after the spindle is repaired and assembled, so that dynamic balance correction cannot be performed on the repaired spindle under the condition, and the maintenance quality of the spindle cannot be guaranteed.

Based on the technical problems in the spindle balance correction, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The utility model aims to provide a spindle dynamic balance detection positioning tool and a spindle dynamic balance correction tool aiming at overcoming the defects in the prior art and solving the problem of positioning of the existing spindle.

The utility model provides a dynamic balance detection positioning tool for a main shaft, wherein the main shaft is a main shaft on a Haylor machine tool, and the positioning tool is of a sleeve structure; the positioning tool can be sleeved on the main shaft and is positioned between the rear end counterweight and the front end counterweight hole of the main shaft; the positioning tool can be connected with the main shaft and is pressed against the outer side face of the main shaft through the adjusting ring, so that the positioning tool can rotate together with the main shaft.

Further, the main shaft is a main shaft on the Haylor machine tool, a main shaft flange is arranged at the front end of the main shaft, a plurality of connecting holes are formed in the main shaft flange along the circumferential direction of the main shaft flange, and bolt holes are formed in the front end face of the positioning tool; the front end of the positioning tool can penetrate through the connecting hole through the bolt and is fixed in the bolt hole, so that the positioning tool is connected with the main shaft.

Furthermore, a sleeve joint channel is arranged in the positioning tool, and a flaring channel is formed at the front end of the sleeve joint channel; the positioning tool is sleeved on the main shaft along one end of the main shaft through the sleeving channel and sleeved on the bearing surface of the main shaft through the flaring channel.

Further, the inner diameter of the flaring channel is larger than that of the sleeving channel, so that a step surface is formed between the flaring channel and the sleeving channel; the adjusting ring is tightly pressed between the step surface and the side surface of the bearing surface, so that the bearing pretightening force on the bearing surface is adjusted.

Furthermore, an annular hydraulic pressure trombone groove is arranged on the side surface of the bearing seat at the rear end of the positioning tool.

Correspondingly, the utility model also provides a main shaft dynamic balance detection and correction tool, which comprises a dynamic balancing machine and a positioning tool, wherein the positioning tool is the main shaft dynamic balance detection and positioning tool; the positioning tool is sleeved on the main shaft and is installed on the dynamic balancing machine, so that balance detection is performed.

Further, the dynamic balancing machine comprises a main shaft fixing pressure plate, a bearing support and a driving mechanism; the main shaft fixing pressure plate is arranged on the bearing support in a telescopic mode along the vertical direction, so that the main shaft can be clamped; the positioning tool is sleeved on the main shaft and is arranged on the bearing support; the driving mechanism drives the positioning tool to rotate together with the main shaft to the rotating speed required by dynamic balance correction through the driving belt.

The dynamic balance detection positioning tool and the correction tool for the main shaft provided by the utility model have the advantages of simple structure, easiness in manufacturing, capability of effectively positioning the main shaft so as to realize detection, simplicity and convenience in operation and capability of improving the maintenance quality of the main shaft.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model will be further explained with reference to the drawings, in which:

FIG. 1 is a schematic view of a spindle structure according to the present invention;

FIG. 2 is a schematic view of a spindle dynamic balance detecting and positioning tool of the present invention in a working state;

FIG. 3 is a sectional view of the spindle dynamic balance detecting and positioning tool of the present invention in a use state;

FIG. 4 is a sectional view of a spindle dynamic balance detecting and positioning tool of the present invention;

fig. 5 is a schematic structural diagram of the dynamic balancing machine of the present invention.

In the figure: 1. a main shaft fixing pressure plate; 2. a drive belt; 3. positioning a tool; 31. a hydraulic lama groove; 32. a flaring channel; 33. a step surface; 34. bolt holes; 4. a load bearing support; 5. a main shaft; 51. a rear end weight port; 52. a front end weight port; 53. a main shaft flange; 54. connecting holes; 55. a bearing surface; 6. and adjusting the ring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, 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 merely illustrative of the utility model and do not limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" 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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, the present invention provides a spindle dynamic balance detection positioning tool, wherein a spindle 5 is a spindle on a heylor machine tool, and a positioning tool 3 is a sleeve structure; specifically, bearing seats of bearings at the front end and the rear end of the main shaft 5 and the main shaft body are designed in an integrated manner, so that the integral rigidity of the main shaft 5 can be ensured and the main shaft is convenient to disassemble and assemble; the positioning tool 3 can be sleeved on the main shaft 5 and is positioned between the rear end counterweight 51 and the front end counterweight hole 52 of the main shaft 5, so that positioning is realized; the positioning tool 3 can be connected with the main shaft 5 and is pressed against the outer side surface of the main shaft 5 through the adjusting ring 6, so that the positioning tool and the main shaft 5 can rotate together; specifically, an adjusting ring of a bearing outer ring is designed at the front end bearing seat part of the main shaft 5, so that reasonable pre-tightening of the bearing is ensured, and dynamic balance correction quality is ensured; the spindle dynamic balance detection positioning tool provided by the utility model can effectively position the spindle so as to perform dynamic balance detection; the positioning tool has the advantages of simple structure, easiness in manufacturing and simplicity and convenience in operation, and can effectively improve the maintenance quality of the main shaft.

Preferably, with reference to the above solutions, as shown in fig. 1 to 4, a main shaft flange 53 is provided at the front end of the main shaft 5, the main shaft flange 53 is provided with a plurality of connecting holes 54 along the circumferential direction thereof, and the front end surface of the positioning tool 3 is provided with bolt holes 34; by adopting the scheme, the front end of the positioning tool 3 can pass through the connecting hole 54 through the bolt and is fixed in the bolt hole 34, so that the positioning tool 3 is connected with the main shaft 5.

Preferably, with the above scheme, as shown in fig. 1 to 4, a sleeving channel is arranged in the positioning tool 3, and a flared channel 32 is formed at the front end of the sleeving channel; the positioning tool 3 is sleeved on the main shaft 5 along one end of the main shaft 5 through the sleeving channel and sleeved on the bearing surface 55 of the main shaft 5 through the flaring channel 32.

Preferably, in combination with the above solution, as shown in fig. 1 to 4, the inner diameter of the flared passage 32 is larger than that of the sleeving passage, so as to form a step surface 33 with the sleeving passage; further, the adjusting ring 6 is pressed between the step surface 33 and the side surface of the bearing surface 55, so as to adjust the bearing preload on the bearing surface 55; the design of the adjusting ring 6 can ensure the reasonable pre-tightening of the main shaft bearing and ensure the dynamic balance correction quality.

Preferably, with the above scheme, as shown in fig. 1 to 4, an annular hydraulic lama groove 31 is formed in a side surface of a bearing seat at the rear end of the positioning tool 3, so that the hydraulic lama hook is convenient to test the spindle broach system, and the versatility of the positioning tool is increased.

Correspondingly, in combination with the above scheme, as shown in fig. 5, the utility model further provides a spindle dynamic balance detection and correction tool, which comprises a dynamic balancing machine and a positioning tool 3, wherein the positioning tool 3 is the spindle dynamic balance detection and positioning tool; the positioning tool 3 is sleeved on the main shaft 5 and is installed on a dynamic balancing machine, so that balance detection is performed.

Preferably, in combination with the above solution, as shown in fig. 5, the dynamic balancing machine includes a main shaft fixing pressure plate 1, a bearing support 4 and a driving mechanism; the main shaft fixing pressure plate 1 is arranged on the bearing support 4 in a telescopic mode along the vertical direction, so that a main shaft 5 can be clamped; the positioning tool 3 is sleeved on the main shaft 5 and is arranged on the bearing support 4; the driving mechanism drives the positioning tool 3 and the main shaft 5 to rotate together through the driving belt 2 to reach the rotating speed required by dynamic balance correction, so that the aim of dynamic balance correction of the main shaft is fulfilled, and the maintenance quality of the main shaft is guaranteed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A main shaft dynamic balance detection positioning tool is characterized in that a positioning tool (3) is of a sleeve structure; the positioning tool (3) can be sleeved on the main shaft (5) and is positioned between the rear end counterweight (51) and the front end counterweight hole (52) of the main shaft (5); the positioning tool (3) can be connected with the main shaft (5) together, and is pressed against the outer side face of the main shaft (5) through the adjusting ring (6), so that the positioning tool and the main shaft (5) can rotate together.

2. The main shaft dynamic balance detecting and positioning tool according to claim 1, characterized in that a main shaft flange (53) is arranged at the front end of the main shaft (5), a plurality of connecting holes (54) are arranged on the main shaft flange (53) along the circumferential direction of the main shaft flange, and a bolt hole (34) is arranged on the front end surface of the positioning tool (3); the front end of the positioning tool (3) can penetrate through the connecting hole (54) through a bolt and is fixed in the bolt hole (34), so that the positioning tool (3) is connected with the main shaft (5).

3. The main shaft dynamic balance detection positioning tool according to claim 1, characterized in that a sleeve channel is arranged in the positioning tool (3), and a flared channel (32) is formed at the front end of the sleeve channel; the positioning tool (3) is sleeved on the main shaft (5) along one end of the main shaft (5) through the sleeving channel and sleeved on a bearing surface (55) of the main shaft (5) through the flaring channel (32).

4. The tool for detecting and positioning the dynamic balance of the main shaft according to claim 3, wherein the inner diameter of the flaring channel (32) is larger than that of the sleeving channel, so that a step surface (33) is formed between the flaring channel and the sleeving channel; the adjusting ring (6) is pressed between the step surface (33) and the side surface of the bearing surface (55), so that the bearing pretightening force on the bearing surface (55) is adjusted.

5. The main shaft dynamic balance detecting and positioning tool according to claim 1, wherein an annular hydraulic lama groove (31) is formed in a side surface of a bearing seat at the rear end of the positioning tool (3).

6. A main shaft dynamic balance detection and correction tool comprises a dynamic balancing machine and a positioning tool (3), and is characterized in that the positioning tool (3) is the main shaft dynamic balance detection and positioning tool of any one of claims 1 to 5; and the positioning tool (3) is sleeved on the main shaft (5) and is arranged on the dynamic balancing machine, so that balance detection is performed.

7. The main shaft dynamic balance detection and correction tool according to claim 6, characterized in that the dynamic balancing machine comprises a main shaft fixing pressure plate (1), a bearing support (4) and a driving mechanism; the main shaft fixing pressure plate (1) is arranged on the bearing support (4) in a telescopic mode along the vertical direction, so that the main shaft (5) can be clamped; the positioning tool (3) and the main shaft (5) are arranged on the bearing support (4); the driving mechanism drives the positioning tool (3) and the main shaft (5) to rotate together through the driving belt (2) until the rotating speed required by dynamic balance correction is achieved.