CN216594165U - Positioning tool for detecting thrust bearing of machine tool - Google Patents

Abstract

The utility model discloses a positioning tool for detecting a thrust bearing of a machine tool, which comprises a base, wherein a tool table is fixed on the upper part of the base through two supporting plates, the lower part of the tool table is rotatably connected with a vertically arranged lead screw, a rod body of the lead screw is matched with a nut seat, the outer edge of the nut seat is hinged with a plurality of connecting arms, a table top of the tool table is provided with a plurality of sliding grooves, sliding seats are matched in the sliding grooves in a sliding mode, the connecting arms are correspondingly hinged with the sliding seats, and clamping arms are arranged on the upper parts of the sliding seats. The clamping arms are provided with the outer positioning surfaces and the inner positioning surfaces, so that the outer ring positioning or the inner ring positioning and fixing of the bearing to be detected can be quickly completed, the clamping arms are suitable for bearings of different specifications, and the working efficiency is improved.

Description

Positioning tool for detecting thrust bearing of machine tool

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a positioning tool for detecting a thrust bearing of a machine tool.

Background

As is known, a bearing is widely used in various mechanical devices, an outer ring of the bearing generally needs to operate under a high load condition for a long time, and the bearing is subjected to various impacts during use. The thrust bearing is a special bearing for bearing axial force, namely a bearing for bearing force in a direction parallel to the shaft. The bearing detection and positioning can only be realized in one positioning mode, the outer ring positioning or the inner ring positioning is realized, the use is limited, and the bearing detection and positioning device cannot be suitable for bearings with different diameters and specifications.

A patent with the publication number of CN20509096U discloses a bearing positioning tool for a portable bearing axial detector, which comprises a base and a supporting seat with a positioning cavity, wherein the positioning cavity is provided with a radial limiting surface and an axial supporting surface, the bottom of the positioning cavity is provided with a suspension cavity for suspending a bearing inner ring, the supporting seat comprises at least three vertically arranged supporting legs which are uniformly distributed along the circumference, the top ends of the supporting legs are provided with L-shaped positioning step grooves, the positioning step grooves are positioned at the inner side of the circumference surrounded by the supporting legs, the positioning step grooves are provided with radial limiting surfaces and axial supporting surfaces, the positioning step grooves at the top ends of the supporting legs form a positioning cavity for positioning and placing the outer ring of the bearing, the supporting legs are matched on the base in a sliding manner, the sliding tracks of the supporting legs are radial, the positioning cavity and the suspension cavity surrounded by the supporting legs are movable cavities with the radius capable of expanding and reducing, and the supporting legs are connected with elastic components for driving the supporting legs to mutually approach and gather together, the stabilizer blade of its three vertical settings can be centripetal and be close to or keep away from and fix a position the bearing outer lane, then hold three stabilizer blades tightly through the elastic component, complex operation, work efficiency are low.

SUMMERY OF THE UTILITY MODEL

The positioning tool for detecting the thrust bearing of the machine tool is simple and convenient to operate, a plurality of clamping arms retract or move away centripetally, can clamp the outer ring of the bearing to be detected when the clamping arms retract centripetally, can clamp the inner ring of the bearing to be detected when the clamping arms move away centripetally, is provided with an outer positioning surface and an inner positioning surface, can quickly position and fix the outer ring or the inner ring of the bearing to be detected, is suitable for bearings of different specifications, improves the working efficiency, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a positioning tool for detecting a thrust bearing of a machine tool comprises a base, wherein a tool table is fixed on the upper portion of the base through two supporting plates, a vertically arranged lead screw is rotatably connected to the lower portion of the tool table, a screw body of the lead screw is matched with a nut seat, a plurality of connecting arms are hinged to the outer edge of the nut seat, a plurality of sliding grooves are formed in the table surface of the tool table, sliding seats are matched in the sliding grooves in a sliding mode, the connecting arms are correspondingly hinged to the sliding seats, and clamping arms are arranged on the upper portions of the sliding seats; when the nut seat moves along the screw rod in a rotating mode, the corresponding sliding seat can be driven to slide along the sliding groove through the connecting arms, and therefore the clamping arms retract or are far away from the center of the screw rod in a centripetal mode to fix the bearing.

Preferably, one side of each clamping arm far away from the center of the screw rod is an outer positioning surface, one side of each clamping arm towards the center of the screw rod is an inner positioning surface, the outer positioning surface is an outer convex arc-shaped surface, and the inner positioning surface is an inner concave arc-shaped surface.

Preferably, the upper end of the screw rod is sleeved with a bearing, and a table top of the tooling table is provided with a mounting hole matched with the bearing; the lower end of the screw rod is provided with a knob.

Preferably, the slide comprises an upper side plate, a middle side plate and a lower side plate, the middle side plate is matched with the sliding groove, and the upper side plate and the lower side plate are respectively and correspondingly located at the upper part and the lower part of the sliding groove.

Preferably, the connecting arms, the sliding grooves, the clamping arms and the sliding seats are correspondingly provided with three groups or four groups, and the connecting arms, the sliding grooves, the clamping arms and the sliding seats are uniformly distributed on the central circumference of the screw rod.

Compared with the prior art, the utility model has the beneficial effects that: this lathe thrust bearing detects uses location frock, through rotatory lead screw, the lead screw drives the nut seat and removes, the nut seat drives the slide through a plurality of linking arms and removes along the spout, thereby drive a plurality of arm lock centripetal indentation or keep away from, can hold tightly when centripetal indentation and wait to detect the outer lane of bearing, can the chucking wait to detect the inner circle of bearing when centripetal indentation is kept away from, and the arm lock is equipped with outer locating surface and interior locating surface, can accomplish fast and fix to outer lane location or inner circle location of waiting to detect the bearing, easy operation is convenient, the bearing of suitable different specifications, and the work efficiency is improved.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1 tooling table, 2 supporting plates, 3 bases, 4 connecting arms, 5 lead screws, 6 knobs, 7 nut seats, 8 sliding grooves, 9 outer positioning surfaces, 10 inner positioning surfaces, 11 bearings, 12 clamping arms and 13 sliding seats.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a positioning tool for detecting a thrust bearing of a machine tool comprises a base 3, wherein a tool table 1 is fixed on the upper portion of the base 3 through two supporting plates 2, the lower portion of the tool table 1 is rotatably connected with a vertically arranged lead screw 5, a rod body of the lead screw 5 is suitable for being provided with a nut seat 7, a plurality of connecting arms 4 are hinged to the outer edge of the nut seat 7, a plurality of sliding grooves 8 are formed in the table surface of the tool table 1, sliding seats 13 are matched with the sliding grooves 8 in a sliding mode, the connecting arms 4 are correspondingly hinged to the sliding seats 13, and clamping arms 12 are arranged on the upper portions of the sliding seats 13; when the nut seat 7 rotates and moves along the screw rod 5, the corresponding sliding seat 13 can be driven by the connecting arms 4 to slide along the sliding groove 8, so that the clamping arms 12 retract or move away from the center of the screw rod 5 centripetally to fix the bearing;

one side of each clamping arm 12, which is far away from the center of the screw rod 5, is an outer positioning surface 9, one side of each clamping arm 12, which faces the center of the screw rod 5, is an inner positioning surface 10, the outer positioning surface 9 is a convex arc-shaped surface, and the inner positioning surface 10 is a concave arc-shaped surface;

when the bearing to be detected is placed on the inner sides of the clamping arms 12, the nut seat 7 moves downwards and drives the sliding seats 13 at the upper parts of the connecting arms 4 to retract centripetally through the center of the screw rod 5, so that the clamping arms 12 tightly hold and fix the outer ring of the bearing to be detected;

when the bearing to be detected is placed on the outer sides of the clamping arms 12, the nut seat 7 moves upwards and drives the sliding seat 13 at the upper part of the connecting arms 4 to move away from the center of the screw rod 5 towards the center, so that the clamping arms 12 can be used for tensioning and fixing the inner ring of the bearing to be detected;

further, the upper end of the screw rod 5 is sleeved with a bearing 11, and a table top of the tool table 1 is provided with a mounting hole matched with the bearing 11; the lower end of the screw rod 5 is provided with a knob 6, and the nut seat 7 can be driven to rotate and move by rotating the knob 6;

specifically, the sliding seat 13 includes an upper side plate, a middle side plate and a lower side plate, the middle side plate is adapted to the sliding groove 8, the upper side plate and the lower side plate are respectively and correspondingly located at the upper part and the lower part of the sliding groove 8, and the sliding seat 13 is limited to only slide along the sliding groove 8;

in addition, the connecting arms 4, the sliding grooves 8, the clamping arms 12 and the sliding seats 13 are correspondingly provided with three groups or four groups, and are uniformly distributed on the central circumference of the screw rod 5.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a lathe thrust bearing detects with location frock, includes base (3), its characterized in that: a tool table (1) is fixed on the upper portion of the base (3) through two supporting plates (2), a vertically arranged lead screw (5) is rotatably connected to the lower portion of the tool table (1), a screw body of the lead screw (5) is matched with a nut seat (7), a plurality of connecting arms (4) are hinged to the outer edge of the nut seat (7), a plurality of sliding grooves (8) are formed in the table top of the tool table (1), a sliding seat (13) is matched in the sliding grooves (8) in a sliding mode, the connecting arms (4) are correspondingly hinged to the sliding seat (13), and clamping arms (12) are arranged on the upper portion of the sliding seat (13); when the nut seat (7) rotationally moves along the screw rod (5), the corresponding sliding seat (13) can be driven to slide along the sliding groove (8) through the connecting arms (4), so that the clamping arms (12) are centripetally retracted or far away from the center of the screw rod (5) to fix the bearing.

2. The machine tool thrust bearing detects with location frock of claim 1 characterized in that: each one side that lead screw (5) center was kept away from in arm lock (12) is outer locating surface (9), and one side that arm lock (12) were towards lead screw (5) center is interior locating surface (10), and outer locating surface (9) are the arcwall face of evagination, and interior locating surface (10) are the arcwall face of indent.

3. The machine tool thrust bearing detects with location frock of claim 1 characterized in that: the upper end of the screw rod (5) is sleeved with a bearing (11), and a table top of the tooling table (1) is provided with a mounting hole matched with the bearing (11); the lower end of the screw rod (5) is provided with a knob (6).

4. The machine tool thrust bearing detects with location frock of claim 1 characterized in that: the sliding seat (13) comprises an upper side plate, a middle side plate and a lower side plate, the middle side plate is matched with the sliding groove (8), and the upper side plate and the lower side plate are respectively and correspondingly located at the upper part and the lower part of the sliding groove (8).

5. The machine tool thrust bearing detects with location frock of claim 1 characterized in that: the connecting arms (4), the sliding grooves (8), the clamping arms (12) and the sliding seats (13) are correspondingly provided with three groups or four groups, and the connecting arms, the sliding grooves (8), the clamping arms and the sliding seats (13) are uniformly distributed on the circumference of the center of the screw rod (5).

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