Thin-wall bearing grease injection tool for bearing grease injection machine

Abstract

The utility model discloses a thin-wall bearing grease injection tool for a bearing grease injection machine. The thin-wall bearing grease injection tool comprises a support, a spring and a gasket. The support is of a cylindrical structure, the outer circumference of the lower end of the support is provided with a threaded part connected with an oil outlet of a grease injection machine, and a circle of oil injection holes vertically penetrating through the installation groove are evenly formed in an oil inlet cavity of the support. A circle of spring mounting groove is formed in the bottom of the support mounting groove on the inner side of the circumference of the oil injection hole; the spring is arranged in the spring mounting groove; and the gasket is arranged above the spring. According to the grease injection tool, the support is connected with the grease outlet of the grease injection machine, a workpiece can be conveniently and rapidly disassembled and assembled in the support installation groove, the workpiece cannot be damaged, the spring is matched with the gasket, the grease injection gap can be increased, and the grease injection quality can be guaranteed; the grease injection tool is high in overall matching degree, simple in structure, low in cost and convenient to use, the problem that automatic quantitative grease injection cannot be conducted on the thin-wall bearing through a grease injection machine is solved, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processing technical field, especially a kind of thin-wall bearing grease injection tool for bearing grease injection machine. BACKGROUND

[0002] In existing bearing production, bearing grease injection is also an important process, ordinary bearing grease injection can be carried out by connecting grease injection gun to oil outlet on grease injection machine table top to directly grease injection to bearing oil hole, but for small thin-wall bearing, workpiece is too thin, gap is too small, and there is no operation space, so it cannot be operated by grease injection gun, and in most cases, it is manually operated by finger, which cannot guarantee grease injection amount and work efficiency. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of thin-wall bearing grease injection tool for bearing grease injection machine, it is convenient to use, greatly improve grease injection efficiency, accurate grease injection amount.

[0004] The utility model employs the technical scheme that:

[0005] A kind of thin-wall bearing grease injection tool for bearing grease injection machine, including support, spring and gasket;

[0006] The support is cylindrical structure, and the outer circle of lower end is provided with threaded portion connected with the oil outlet of grease injection machine, and the lower end surface and the upper end surface of support are provided with the step groove concentric with support, the step groove of lower end surface corresponds with the oil outlet of grease injection machine, as oil inlet cavity, the step groove of upper end surface matches with the outer diameter of bearing workpiece to be greased, as installation groove;A circle of oil injection hole is uniformly arranged on the oil inlet cavity of support and vertically penetrates to installation groove, and the position of oil injection hole corresponds with the gap between inner and outer rings of thin-wall bearing to be greased;A circle of spring installation groove is provided on the bottom of installation groove of support on the inner side of the circumference of oil injection hole, and spring installation groove forms spring installation column in the center of support, and the upper end outer diameter of spring installation column is greater than the outer diameter of lower part, to form stepped gland;

[0007] The spring is arranged in spring installation groove, and the spring is butterfly spring;The gasket is arranged on the upper side of spring, and the inner ring of gasket is provided with stepped portion matched with the gland on the upper end of spring installation column in the center of support.

[0008] Specifically, the support is made of nylon material, and the installation groove on the upper end surface of support is in interference fit with the outer ring of thin-wall bearing workpiece.

[0009] Specifically, the step groove on the upper end surface of support is provided with seal ring groove at the position corresponding to the outer ring of bearing to be greased, and the seal ring is arranged in seal ring groove.

[0010] Specific, the outer diameter of the lower end of the thread part is smaller than the upper part of the outer diameter to form a step structure, and a circle of separation groove is arranged between the thread part and the upper part.

[0011] Specific, the gasket is wool felt.

[0012] Due to the adoption of the technical scheme as described above, the utility model has the following advantages:

[0013] The grease injection tool of the utility model, through the support and the grease injection machine oil outlet connection, the workpiece is convenient and fast to disassemble and assemble in the support installation groove, and will not cause damage to the workpiece, the cooperation of the spring and the gasket can increase the grease injection gap and ensure the grease injection quality; the grease injection tool has high overall matching degree, simple structure, low cost and convenient use, solves the problem that the thin-wall bearing cannot be automatically quantitatively injected by the grease injection machine, greatly improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall schematic view of the utility model.

[0015] Figure 2 It is the overall cross-sectional schematic view of the utility model.

[0016] Figure 3 It is the structural schematic view of the support of the utility model.

[0017] In the figure: 1-support, 11-thread part, 12-oil inlet cavity, 13-oil injection hole, 14-spring installation groove, 15-pressing cover, 16-sealing ring, 2-spring, 3-gasket, 4-thin-wall bearing workpiece. DETAILED DESCRIPTION

[0018] The utility model will be further explained and described below in combination with the drawings and examples, and the protection scope of the utility model cannot be limited by this, and the purpose of disclosing the utility model is to protect all technical improvements within the scope of the utility model.

[0019] In combination with the drawings Figure 1 The utility model discloses a kind of bearing grease injection machines with thin-wall bearing grease injection tools, including support 1, spring 2 and gasket 3.

[0020] The support 1 is a cylindrical structure made of nylon, and a threaded part 11 is arranged on the outer circumference of the lower end of the support 1 and connected with the oil outlet of the lubricating machine; the lower end face and the upper end face of the support 1 are both provided with a stepped groove concentric with the support 1; the stepped groove on the lower end face corresponds to the oil outlet of the lubricating machine and serves as an oil inlet cavity 12; the stepped groove on the upper end face matches the outer diameter of the thin-wall bearing workpiece 4 to be lubricated and serves as a mounting groove; the mounting groove is in interference fit with the outer diameter of the thin-wall bearing workpiece 4; a circle of oil injection holes 13 vertically penetrating into the mounting groove are uniformly arranged on the oil inlet cavity 12 of the support 1, and the positions of the oil injection holes 13 correspond to the gap between the inner and outer rings of the bearing workpiece 4 to be lubricated; a circle of spring mounting grooves 14 are arranged on the bottom of the mounting groove of the support 1 on the inner side of the circle of the oil injection holes 13, and the spring mounting grooves 14 form a spring 2 mounting column in the center of the support 1; the upper end of the spring 2 mounting column has a larger outer diameter than the lower part to form a stepped gland 15.

[0021] The spring 2 is arranged in the spring mounting groove 14, and the spring 2 is a butterfly spring; the gasket 3 is made of wool felt, and the gasket 3 is arranged on the upper side of the spring 2, and a stepped part is arranged on the inner ring of the gasket 3 and matches the upper end of the gland 15 of the spring 2 mounting column in the center of the support 1.

[0022] Preferably, a sealing ring 16 groove is arranged on the position corresponding to the outer ring of the bearing to be lubricated on the stepped groove of the upper end face of the support 1, and the sealing ring 16 is arranged in the sealing ring 16 groove.

[0023] Preferably, the outer diameter of the threaded part 11 of the lower end is smaller than the outer diameter of the upper part to form a stepped structure, and a circle of separation grooves are arranged between the threaded part 11 and the upper part.

[0024] In use, the support 1 is screwed on the oil outlet of the lubricating machine through the threaded part 11 of the lower end of the support 1, the spring 2 is arranged in the spring mounting groove 14 of the support 1, the gasket 3 is arranged on the spring 2, the stepped part of the gasket 3 is pressed into the lower side of the gland 15 on the upper end of the spring 2 mounting column, and the gasket 3 is installed in place; the thin-wall bearing workpiece 4 to be lubricated is arranged in the mounting groove, the outer ring of the gasket 3 is pressed on the sealing ring 16 by gently pressing the edge part of the outer ring to ensure that the thin-wall bearing workpiece 4 to be lubricated is installed in place; at this time, under the joint action of the spring 2 and the gland 15, the outer ring part of the gasket 3 is lifted and protrudes above the upper end face of the gland 15, thereby lifting the inner ring of the workpiece 4, increasing the oil injection gap, starting the lubricating machine, and performing quantitative lubrication on the workpiece 4.

[0025] The part not described in the utility model is prior art.

[0026] In order to disclose the invention purpose of the utility model, the embodiments selected in the text are currently considered to be appropriate, but it should be understood that the utility model aims to include all changes and improvements of all embodiments within the scope of the concept and utility model.

Claims

1. A thin-walled bearing grease injection fixture for a bearing grease injection machine, characterized in that, Includes supports, springs, and washers; The support is a cylindrical structure. The lower outer circumference is provided with a threaded part that connects to the oil outlet of the grease injection machine. Both the lower and upper end faces of the support are provided with stepped grooves concentric with the support. The stepped groove on the lower end face corresponds to the oil outlet of the grease injection machine and serves as an oil inlet cavity. The stepped groove on the upper end face matches the outer diameter of the bearing workpiece to be greased and serves as an installation groove. A ring of oil injection holes is uniformly provided on the oil inlet cavity of the support, which extends vertically to the installation groove. The position of the oil injection holes corresponds to the gap between the inner and outer rings of the thin-walled bearing to be greased. A ring of spring installation grooves is provided on the bottom of the support installation groove on the inner side of the circumference where the oil injection holes are located. The spring installation grooves form a spring installation post at the center of the support. The outer diameter of the upper end of the spring installation post is larger than the outer diameter of the lower part, forming a stepped pressure cap. The spring is installed in the spring mounting groove, and the spring is a butterfly spring; the washer is installed on the upper side of the spring, and the inner ring of the washer is provided with a stepped part that cooperates with the upper end pressure cap of the spring mounting column in the center of the support.

2. The thin-walled bearing grease injection fixture for a bearing grease injection machine according to claim 1, characterized in that: The support is made of nylon, and the mounting groove on the upper end face of the support is an interference fit with the outer ring of the thin-walled bearing workpiece.

3. The thin-walled bearing grease injection fixture for a bearing grease injection machine according to claim 1, characterized in that: A sealing ring groove is provided at the position of the stepped groove on the upper end face of the support corresponding to the outer ring of the bearing to be greased, and a sealing ring is provided in the sealing ring groove.

4. The thin-walled bearing grease injection fixture for a bearing grease injection machine according to claim 1, characterized in that: The outer diameter of the threaded portion at the lower end of the support is smaller than the outer diameter of the upper portion, forming a stepped structure, and a groove is provided between the threaded portion and the upper portion.

5. The thin-walled bearing grease injection fixture for a bearing grease injection machine according to claim 1, characterized in that: The gasket is made of wool felt.

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