Internal expansion tool for bearing ring

Abstract

The utility model discloses an internal expansion tool for a bearing ring, which comprises a tool clamp main body, four guide grooves are arranged on the upper side wall of the tool clamp main body, a movable clamping jaw is slidably connected in each guide groove, the outer side wall of each movable clamping jaw is fixedly connected with an elastic cushion, and the elastic cushion is fixedly connected with the upper side wall of the tool clamp main body. Supporting rods are slidably connected into the movable clamping jaw, and the lower end of each supporting rod is fixedly connected with a matched sliding block. A matching block is fixedly connected to the lower side wall of the tool clamp body, a limiting protrusion is slidably connected into the matching block, and an adjusting table is fixedly connected to the lower side wall of the limiting protrusion. According to the bearing ring clamping device, the adjusting table can drive the supporting rod to move left and right in the process of moving up and down, and then the movable clamping jaw is adjusted to slide left and right, so that a bearing ring is effectively clamped, the bearing ring is effectively fixed, and follow-up machining is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to an internal expansion tooling for a bearing ring. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Grinding bearing rings is an important step in bearing production, and auxiliary tooling for grinding bearing rings is also very important.

[0003] There are many kinds of auxiliary tools for grinding bearing rings on the market, but these auxiliary tools are generally complicated to operate, inconvenient to replace suitable fixing heads, and inconvenient to fix and connect. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides an internal expansion tool for a bearing ring, wherein the device is provided with an adjustment platform, a support rod and a movable clamping claw, and the adjustment platform drives the support rod to move left and right during the up and down movement, and then mobilizes the movable clamping claw to slide left and right, thereby effectively clamping the bearing ring, and then effectively fixing the bearing ring, which is convenient for subsequent processing;

[0005] The device is provided with an adjusting screw, a limiting convex and a matching block. The matching block and the limiting convex can limit the rotation of the adjusting platform, and the adjusting screw can drive the adjusting platform to move up and down. The combination of the three can improve the stability of the movement of the adjusting platform.

[0006] The utility model also provides the above-mentioned internal expansion tooling for bearing rings, comprising: a tooling fixture body, wherein the upper side wall of the tooling fixture body is provided with four guide grooves, wherein the inside of each guide groove is slidably connected with a movable clamping claw, the outer side wall of each movable clamping claw is fixedly connected with an elastic pad, the inside of the movable clamping claw is slidably connected with a support rod, and the lower end of each support rod is fixedly connected with a matching slider;

[0007] The lower side wall of the fixture body is fixedly connected with a matching block, the internal sliding connection of the matching block is connected with a limiting protrusion, the lower side wall of the limiting protrusion is fixedly connected with an adjustment platform, the outer side wall of the adjustment platform is provided with a plurality of matching sliding grooves, the lower side wall of the adjustment platform is provided with a threaded inner groove, and the internal thread of the threaded inner groove is connected with an adjusting screw.

[0008] According to the internal expansion tooling for bearing rings, the outer side wall of each movable clamping jaw is fixedly connected to two limit blocks, and the limit blocks cooperate with the guide groove to improve the sliding stability between the movable clamping jaw and the guide groove.

[0009] According to the internal expansion tooling for bearing rings, the inner groove of the matching block is set to be square, the cross section of the limiting protrusion is set to be square, and the matching block and the limiting protrusion can limit the rotation of the adjustment platform.

[0010] According to the internal expansion tool for the bearing ring, the adjustment platform is configured as a regular quadrangular pyramid, so that the adjustment platform matches with the four guide grooves.

[0011] According to the internal expansion tooling for the bearing ring, the lower end of the adjusting screw is fixedly connected with a rotating disk, and the adjusting screw can be driven to rotate by the rotating disk.

[0012] According to the internal expansion tooling for the bearing ring, a return spring is provided between the upper side wall of the support rod and the upper inner wall of the movable clamping jaw to improve the tightness of the connection between the support rod and the movable clamping jaw.

[0013] According to the internal expansion tooling for the bearing ring, the matching slider matches with the matching slide groove, so that the support rod can slide along the matching slide groove through the matching slider.

[0014] According to the internal expansion fixture for a bearing ring, the adjusting screw is rotatably connected to the lower side wall of the fixture body.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of an internal expansion tooling for a bearing ring of the utility model;

[0018] Figure 2 This is an internal schematic diagram of an internal expansion tooling for a bearing ring of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of an internal expansion tooling for a bearing ring of the utility model;

[0020] Figure 4 The utility model is a top view schematic diagram of an internal expansion tooling for a bearing ring.

[0021] Legend:

[0022] 1. Fixture body; 101. Guide groove; 102. Matching block; 2. Adjusting screw; 201. Turntable; 3. Movable clamping jaw; 301. Limiting block; 302. Elastic pad; 4. Support rod; 401. Matching slider; 5. Adjusting table; 501. Matching slide groove; 502. Threaded inner groove; 503. Limiting cam. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The utility model embodiment is a kind of internal expansion tool for bearing ring, which includes: a tool fixture body 1, the upper side wall of the tool fixture body 1 is provided with four guide grooves 101, the inside of each guide groove 101 is slidably connected with a movable clamping jaw 3, the outer side wall of each movable clamping jaw 3 is fixedly connected with two limit blocks 301, the limit blocks 301 cooperate with the guide groove 101 to improve the sliding stability between the movable clamping jaw 3 and the guide groove 101, the outer side wall of each movable clamping jaw 3 is fixedly connected with an elastic pad 302, the inside of the movable clamping jaw 3 is slidably connected with a support rod 4, and the lower end of each support rod 4 is fixedly connected with a matching slider 401.

[0026] The lower side wall of the fixture body 1 is fixedly connected with a mating block 102, and the internal sliding connection of the mating block 102 is provided with a limiting protrusion 503. The inner groove of the mating block 102 is set to be square, and the cross-section of the limiting protrusion 503 is set to be square. The mating of the mating block 102 and the limiting protrusion 503 can limit the rotation of the adjustment platform 5.

[0027] The lower side wall of the limiting protrusion 503 is fixedly connected with an adjusting platform 5, and the adjusting platform 5 is set to a regular quadrangular pyramid shape, so that the adjusting platform 5 cooperates with the four guide grooves 101, and the outer side wall of the adjusting platform 5 is provided with a plurality of matching sliding grooves 501, and the lower side wall of the adjusting platform 5 is provided with a threaded inner groove 502, and the internal thread of the threaded inner groove 502 is connected with the adjusting screw 2, and the lower end of the adjusting screw 2 is fixedly connected with a turntable 201, and the adjusting screw 2 can be driven to rotate by the turntable 201. A return spring is provided between the upper side wall of the support rod 4 and the upper inner wall of the movable clamping jaw 3 to improve the tightness of the connection between the support rod 4 and the movable clamping jaw 3, and the matching slider 401 cooperates with the matching sliding groove 501, so that the support rod 4 can slide along the matching sliding groove 501 through the matching slider 401, and the matching slider 401 cooperates with the matching sliding groove 501, so that the support rod 4 can slide along the matching sliding groove 501 through the matching slider 401.

[0028] Working principle: When clamping the bearing ring, first place the bearing ring on the upper side wall of the fixture body 1, and make the four movable jaws 3 all set on the inner side of the bearing ring, then, drive the adjusting screw 2 to rotate through the turntable 201, and when the adjusting thread 2 rotates, it can drive the adjusting platform 5 to move upward, so that the matching slider 401 slides along the matching slide groove 501, so that the four support rods 4 move outward, and the movable jaws 3 will move outward under the drive of the support rods 4, thereby clamping the bearing ring.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An internal expansion tool for a bearing ring, characterized in that: include: A fixture body (1), wherein the upper side wall of the fixture body (1) is provided with four guide grooves (101), each of the guide grooves (101) is slidably connected to a movable clamping jaw (3), the outer side wall of each movable clamping jaw (3) is fixedly connected to an elastic pad (302), the interior of the movable clamping jaw (3) is slidably connected to a support rod (4), and the lower end of each support rod (4) is fixedly connected to a matching slider (401); The lower side wall of the fixture body (1) is fixedly connected to a matching block (102), the matching block (102) is internally slidably connected to a limiting protrusion (503), the lower side wall of the limiting protrusion (503) is fixedly connected to an adjustment platform (5), the outer side wall of the adjustment platform (5) is provided with a plurality of matching sliding grooves (501), the lower side wall of the adjustment platform (5) is internally provided with a threaded inner groove (502), and the internal thread of the threaded inner groove (502) is connected to an adjusting screw (2).

2. The internal expansion tool for a bearing ring according to claim 1, characterized in that: Two limit blocks (301) are fixedly connected to the outer side wall of each movable clamping jaw (3), and the limit blocks (301) are matched with the guide groove (101).

3. The internal expansion tool for a bearing ring according to claim 1, characterized in that: The inner groove of the matching block (102) is arranged in a square shape, and the cross section of the limiting protrusion (503) is arranged in a square shape.

4. The internal expansion tool for a bearing ring according to claim 1, characterized in that: The adjustment platform (5) is configured in the shape of a regular quadrangular pyramid.

5. The internal expansion tool for a bearing ring according to claim 1, characterized in that: The lower end of the adjusting screw rod (2) is fixedly connected to a rotating disk (201).

6. The internal expansion tool for a bearing ring according to claim 1, characterized in that: A return spring is arranged between the upper side wall of the support rod (4) and the upper inner wall of the movable clamping claw (3).

7. The internal expansion tool for a bearing ring according to claim 1, characterized in that: The matching sliding block (401) matches with the matching sliding groove (501).

8. The internal expansion tool for a bearing ring according to claim 1, characterized in that: The adjusting screw (2) is rotationally connected to the lower side wall of the fixture body (1).

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