CN213795435U

CN213795435U - High-speed tilting guide shoe tile surface machining tool

Info

Publication number: CN213795435U
Application number: CN202022906888.9U
Authority: CN
Inventors: 何思聪; 张峰; 严祝明
Original assignee: Zhejiang Zhanggui Bearing Technology Co ltd
Current assignee: Zhejiang Zhanggui Bearing Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-27
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a high-speed tilting pad tile face processing frock relates to tilting pad tile face processing frock field, and the tilting pad guide shoe to current bearing is adding man-hour, and it has the error because of the clamping time, makes tile fragment processing radius value differ great, influences the problem of bearing quality, the following scheme of present proposition, and it includes machining center workstation, fixing base and tilting pad guide shoe, and the perpendicular cross-section of fixing base is L type structure, be connected through fixing bolt between machining center workstation and the fixing base, jack and gasket groove have been seted up on the fixing base respectively, the gasket groove sets up at the top of jack, and gasket groove and jack intercommunication, the gasket inslot is provided with packing ring and nut respectively. The utility model discloses novel structure, and can guarantee that the machining error of guide shoe machining radius R value and tile fragment fulcrum department thickness value is less to calibration number of times when having reduced the clamping guide shoe, shortened the clamping time, this frock has still improved the machining efficiency of tilting guide shoe greatly.

Description

High-speed tilting guide shoe tile surface machining tool

Technical Field

The utility model relates to a tilting guide shoe tile face processing frock field especially relates to a high-speed tilting guide shoe tile face processing frock.

Background

The high speed is mainly applied to working occasions with extremely high working rotating speed, extremely large working load, impact and vibration in the working environment, limited radial space size or needing to be split and installed and the like. At present, the high-speed sliding bearing is mainly applied to the fields of high-speed gear boxes, high-speed compressors, high-speed motors, steam turbines, generators, expanders, high-speed pumps, turbochargers, aircraft engines and the like.

The tilting pad is installed in the inner hole of the bearing body through the limiting hole in the bearing end cover, the tilting pad back is in contact with the inner hole of the bearing body through an inner circular column and an outer circular column, and the radius of the guide pad back is smaller than that of the inner hole of the bearing body, so that the guide pad can freely swing along with the difference of rotating speed, load and bearing temperature during working, an oil wedge is formed, oil film pressure is generated, and bearing of the bearing is achieved.

The inner bore radius R1 of the radial tilt pad is generally larger than the diameter of the rotor with which it is fitted, i.e. there is a preload, and the tilt pad radial bearing has better bearing capacity and better stability due to the preload. Generally, the processing flow of the tiltable guide shoe comprises the steps of firstly processing a guide shoe back, then vertically clamping the guide shoe on a processing center worktable, aligning the shoe back by using a dial indicator, then processing a shoe surface, processing a shoe block at each time, and causing the difference of the processing radius R values of the same batch of shoe blocks to be larger due to the error existing in each clamping, namely causing the pre-load among the shoe blocks of the same set of bearing to be inconsistent, so that the performance of the bearing under the high-rotating-speed application occasion is greatly influenced. Therefore, I specially designs a high-speed tilting guide shoe surface machining tool to solve the machining problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-speed tilting pad guide shoe face processing frock has solved tilting pad guide shoe of bearing when adding man-hour, and it has the error because of the clamping time, makes the tile fragment processing radius value differ great, influences the problem of bearing quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-speed tilting pad guide shoe face processing frock, includes machining center workstation, fixing base and tilting pad guide shoe, the vertical cross-section of fixing base is L type structure, be connected through fixing bolt between machining center workstation and the fixing base, jack and gasket groove have been seted up on the fixing base respectively, the gasket groove sets up at the top of jack, and gasket groove and jack intercommunication, the gasket inslot is provided with packing ring and nut respectively, be provided with multiunit magnetic base on the fixing base, tilting pad guide shoe passes through the magnetic base to be fixed on machining center workstation, the spacing groove has been seted up on the L type structure bottom plate of fixing base, tilting pad guide shoe's both sides are provided with the locating pin respectively.

Preferably, the magnetic base is provided with five groups, and evenly is provided with the joint groove along length direction equidistance on the fixing base, the magnetic base sets up respectively in the joint inslot.

Preferably, one side of the magnetic base, which is far away from the bottom wall in the clamping groove, is provided with an arc surface.

Preferably, the limiting grooves on the fixing seat correspond to the magnetic seat respectively, and the limiting grooves are formed in the center of the bottom of the magnetic seat close to the side of the opening of the clamping groove.

Preferably, both sides of the tilting pad guide shoe are provided with circular holes, and the positioning pin is connected to the tilting pad guide shoe by being inserted into the circular holes.

Preferably, the arc surface of the magnetic base is provided with a vertical linear groove, and the vertical linear groove and the limiting groove are arranged on the same vertical surface.

The utility model has the advantages that: the utility model discloses, through multiunit magnetic force seat on the fixing base, when same batch tilting pad guide shoe adds man-hour, fix in step at the fixing base one deck to make same batch tilting pad guide shoe add man-hour, the processing benchmark is unanimous, the processing cutter radius is unanimous, it is less to guarantee the machining error of guide shoe processing radius R1 value and tile piece fulcrum department thickness value, and calibration number of times when having reduced the clamping guide shoe, shortened the clamping time, this frock has still improved the machining efficiency of tilting guide shoe greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the fixing base and the machining center table in fig. 1.

Fig. 3 is a schematic structural view of the fixing base of fig. 1.

Fig. 4 is a schematic view of the construction of the tilting pad guide shoe of fig. 1.

Fig. 5 is a schematic structural view of the magnetic base in fig. 1.

Reference numbers in the figures: 1. fixing the bolt; 2. a fixed seat; 21. a jack; 22. a gasket groove; 23. a limiting groove; 3. a nut; 4. a gasket; 5. a magnetic base; 51. a vertical linear slot; 6. a tiltable bush guide shoe; 61. positioning pins; 7. a machining center worktable.

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.

Referring to fig. 1-5, a high-speed tilting guide shoe face machining tool includes a machining center table 7, a fixed seat 2 and a tilting guide shoe 6, wherein the vertical cross section of the fixed seat 2 is an L-shaped structure, the machining center table 7 is connected with the fixed seat 2 through a fixing bolt 1, the fixed seat 2 is provided with a jack 21 and a gasket groove 22, the gasket groove 22 is arranged at the top of the jack 21 and communicated with the jack 21, a gasket 4 and a nut 3 are arranged in the gasket groove 22, the fixed seat 2 is provided with a plurality of groups of magnetic seats 5, the tilting guide shoe 6 is fixed on the machining center table 7 through the magnetic seats 5, a limiting groove 23 is arranged on an L-shaped structural bottom plate of the fixed seat 2, and two sides of the tilting guide shoe 6 are provided with positioning pins 61 respectively.

Referring to fig. 1, 2 and 3, the magnetic base 5 is provided with five groups, and the fixing base 2 is uniformly provided with clamping grooves 24 at equal intervals along the length direction, and the magnetic base 5 is respectively arranged in the clamping grooves 24.

Referring to fig. 5, an arc surface is arranged on one side of the magnetic base 5 away from the inner bottom wall of the clamping groove 24, and when the tilting pad guide pad 6 is fixed, the arc back surface of the tilting pad guide pad 6 is attached to the magnetic base 5 through the arrangement of the arc surface on the magnetic base 5.

Referring to fig. 3, 4 and 5, the limiting groove 23 on the fixing seat 2 corresponds to the magnetic seat 5 respectively, and the limiting groove 23 is disposed at the bottom center position of the magnetic seat 5 near the opening side of the clamping groove 24, circular holes are disposed on both sides of the tilting pad guide shoe 6, the positioning pin 61 is connected to the tilting pad guide shoe 6 through being inserted into the circular holes, the vertical linear groove 51 is disposed on the arc surface of the magnetic seat 5, and the vertical linear groove 51 and the limiting groove 23 are disposed on the same vertical surface.

The working principle is as follows: when the utility model is used for processing the guide shoe, the fixing seat 2 provided with the magnetic seat 5 is fixedly arranged on the processing center worktable 7 through the fixing bolt 1, the nut 3 and the gasket 4, and when the fixing seat 2 is arranged, the installation of the fixing seat 2 can be effectively protected through the gasket 4, so that the installation of the fixing seat 2 is stable, in addition, the installation between the magnetic seat 5 and the fixing seat 2 is realized through clamping the magnetic seat 5 in the clamping groove 24 in the fixing seat 2, after the fixing seat 2 is arranged on the processing center worktable 7, the tiltable tile guide shoe 6 is fixed at one side of the fixing seat 2, specifically, the positioning pin 61 on the tiltable tile guide shoe 6 is inserted into the limiting groove 23 on the fixing seat 2, and the tiltable tile guide shoe 6 is fixed through the magnetic seat 5 by sucking, the tiltable tile guide shoe 6 is sequentially clamped through the magnetic seat 5 on the fixing seat 2 and the limiting groove 23, the fixed seat 2, the magnetic seat 5 and the limit groove 23 have the same processing standard and the same radius of the processing cutter, so that the processing radius value of the tilting pad guide shoe 6 and the processing error of the thickness value of the pivot of the shoe block can be ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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 limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-speed tilting guide shoe face machining tool comprises a machining center workbench (7), a fixing seat (2) and tilting guide shoes (6), and is characterized in that the vertical section of the fixing seat (2) is of an L-shaped structure, the machining center workbench (7) is connected with the fixing seat (2) through a fixing bolt (1), a jack (21) and a gasket groove (22) are respectively formed in the fixing seat (2), the gasket groove (22) is formed in the top of the jack (21), the gasket groove (22) is communicated with the jack (21), a gasket (4) and a nut (3) are respectively arranged in the gasket groove (22), a plurality of groups of magnetic force seats (5) are arranged on the fixing seat (2), the tilting guide shoes (6) are fixed on the machining center workbench (7) through the magnetic force seats (5), and a limiting groove (23) is formed in an L-shaped structural bottom plate of the fixing seat (2), and positioning pins (61) are respectively arranged on two sides of the tilting pad guide pad (6).

2. The tooling for machining the shoe surface of the high-speed tilting guide shoe according to claim 1, wherein the magnetic force bases (5) are provided with five groups, the fixing base (2) is uniformly provided with clamping grooves (24) at equal intervals along the length direction, and the magnetic force bases (5) are respectively arranged in the clamping grooves (24).

3. The tooling for machining the shoe surface of the high-speed tilting guide shoe according to claim 2, wherein an arc surface is arranged on one side of the magnetic base (5) far away from the inner bottom wall of the clamping groove (24).

4. The tooling for machining the shoe surface of the high-speed tilting guide shoe according to claim 1, wherein the limiting grooves (23) on the fixing seat (2) correspond to the magnetic seat (5) respectively, and the limiting grooves (23) are arranged at the center of the bottom of the magnetic seat (5) close to the side of the opening of the clamping groove (24).

5. The tooling for machining the pad surface of the high-speed tilting pad guide shoe according to claim 1, wherein circular holes are formed in both sides of the tilting pad guide shoe (6), and the positioning pin (61) is inserted into the circular holes and connected to the tilting pad guide shoe (6).

6. The tooling for machining the shoe surface of the high-speed tilting guide shoe according to claim 3, wherein a vertical linear groove (51) is formed in an arc surface of the magnetic base (5), and the vertical linear groove (51) and the limiting groove (23) are arranged on the same vertical surface.