CN209887389U

CN209887389U - Grinding wheel adjusting device for grinding end face of pressure spring

Info

Publication number: CN209887389U
Application number: CN201920684732.5U
Authority: CN
Inventors: 陈二辉
Original assignee: Shaoxing Meili Precision Spring Co Ltd
Current assignee: Shaoxing Meili Precision Spring Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-03
Anticipated expiration: 2029-05-14

Abstract

The utility model provides a grinding wheel adjusting device for pressure spring end face grinding, which comprises an internal spline sleeve, an external spline shaft and an adjusting unit, wherein one end of the external spline shaft is in spline connection with the internal spline sleeve, and the other end is provided with a grinding wheel connector; the adjusting unit is arranged at the end part of the external spline sleeve and comprises an adjusting ring, the adjusting ring is sleeved outside the external spline shaft, matched threads are formed on the outer wall of the spline shaft and the inner wall of the adjusting ring, and when the adjusting ring rotates along the external spline shaft, the external spline shaft moves along the axial direction of the internal spline sleeve. The utility model discloses a set up in the adjustable ring and the external spline shaft spiro union of internal spline sleeve tip, when the emery wheel position is adjusted to needs, directly adjust the external spline shaft, and needn't dismantle the emery wheel and adjust.

Description

Grinding wheel adjusting device for grinding end face of pressure spring

Technical Field

The utility model belongs to spring production field especially relates to a grinding wheel adjusting device for pressure spring end face grinding.

Background

In the production process of the pressure spring, after a spring metal wire is wound and formed, the two ends of the pressure spring need to be ground by utilizing the disc surface of the grinding wheel, the end surface of the pressure spring is flat and easy to use, but the grinding wheel disc becomes thinner along with the abrasion of the grinding wheel in the grinding process, the grinding degree of the grinding wheel disc on the two end surfaces of the spring is gradually reduced, and therefore the position of the grinding wheel needs to be adjusted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a grinding wheel adjusting device for pressure spring face grinding to quick adjusting the emery wheel position, improving production efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a grinding wheel adjusting device for grinding the end face of a pressure spring comprises an internal spline sleeve, an external spline shaft and an adjusting unit, wherein one end of the external spline shaft is in spline connection with the internal spline sleeve, and the other end of the external spline shaft is provided with a grinding wheel connector;

the adjusting unit is arranged at the end part of the external spline sleeve and comprises an adjusting ring, the adjusting ring is sleeved outside the external spline shaft, matched threads are formed on the outer wall of the spline shaft and the inner wall of the adjusting ring, and when the adjusting ring rotates along the external spline shaft, the external spline shaft moves along the axial direction of the internal spline sleeve.

Furthermore, the end part of the inner spline sleeve extends out of a flange along the circumferential direction, the adjusting unit further comprises an annular pressure plate, the pressure plate is sleeved on the inner spline sleeve, the flange is arranged between the pressure plate and the adjusting ring, and the pressure plate is fixedly connected with the adjusting ring.

Furthermore, the pressing plate is provided with a first upper ring groove, the flanging is provided with a first lower ring groove corresponding to the first upper ring groove, and a ball is arranged between the first upper ring groove and the first lower ring groove.

Furthermore, the adjusting ring is provided with a second upper ring groove, one end face of the inner spline sleeve, which is close to the adjusting unit, is provided with a second lower ring groove corresponding to the second upper ring groove, and a ball is arranged between the second upper ring groove and the second lower ring groove.

Furthermore, the outer edge of the adjusting ring vertically extends out of the vertical edge along the circumferential pressing plate direction, and the outer edge of the pressing plate is fixedly connected with the vertical edge.

Furthermore, the inner wall of the adjusting ring is fixedly provided with a nylon ring which is tightly propped against the outer wall of the external spline shaft.

Furthermore, the grinding wheel connector comprises a connecting sheet and a Morse taper head, wherein the connecting sheet extends outwards along the circumferential direction along the end part of the external spline shaft, and the Morse taper head extends axially along the external spline shaft.

Compared with the prior art, a grinding wheel adjusting device for pressure spring end face grinding have following advantage:

the utility model adopts the threaded connection between the adjusting ring arranged at the end part of the internal spline sleeve and the external spline shaft, and when the position of the grinding wheel needs to be adjusted, the external spline shaft is directly adjusted without disassembling the grinding wheel for adjustment;

the flanging is matched with the pressure plate and the adjusting ring, so that the same adjusting device can adjust two ends of the spring, and the application range of the device is enlarged;

the nylon ring is adopted to prevent the adjusting unit from rotating relative to the spline shaft when the adjusting unit is not subjected to external force, so that the position of the grinding wheel deviates and the processing precision of the spring is influenced.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of an overall grinding wheel adjusting device;

FIG. 2 is a schematic cross-sectional view of the interior of FIG. 1;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is a schematic view of the internal structure of the grinding wheel adjusting device in a working state.

Description of reference numerals:

1-an internal spline sleeve; 11-flanging; 12-a first lower ring groove; 13-a second lower ring groove; 2-external spline shaft; 3, pressing a plate; 31-a first upper ring groove; 4-an adjustment ring; 41-standing; 42-nylon loops; 43-a second upper ring groove; 5-a grinding wheel connection unit; a 51-morse taper head; 52-connecting pieces; 6-rolling balls.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the grinding wheel adjusting device for pressure spring end face grinding of the present invention comprises an internal spline sleeve 1 with one end coaxially connected with a motor output shaft, and an external spline shaft 2 disposed in the internal spline sleeve 1 and splined with the internal spline sleeve 1, wherein the external spline shaft 2 can move along the axis of the internal spline sleeve 1, the top end of the external spline shaft 2 is disposed in the internal spline sleeve 1, and the bottom end is provided with a grinding wheel connector for fixedly connecting with a grinding wheel;

referring to fig. 2 and 3, an adjusting unit capable of controlling the up-and-down movement of the external spline shaft 2 is arranged at the bottom end of the internal spline sleeve 1, the adjusting unit includes a flange 11 extending outward from one end of the internal spline away from the motor, a first lower ring groove 12 is circumferentially arranged on the upper surface of the flange 11, an annular pressure plate 3 is sleeved outside the internal spline sleeve 1, a first upper ring groove 31 corresponding to the first lower ring groove 12 is circumferentially arranged on the lower surface of the pressure plate 3, and a plurality of balls 6 are arranged between the first upper ring groove 31 and the first lower ring groove 12; the outer edge of the pressure plate 3 is fixedly provided with an adjusting ring 4, the adjusting ring 4 is sleeved outside the outer spline shaft 2 and can rotate along the outer spline shaft 2, a vertical edge 41 vertically extends from the outer edge of the adjusting ring 4 to the direction of the pressure plate 3, the vertical edge 41 is connected with the edge of the pressure plate 3 through a bolt, a second lower ring groove 13 is circumferentially arranged on the end surface of the inner spline sleeve 1 close to one end of the flange 11, a second upper ring groove 43 corresponding to the second lower ring groove 13 is arranged on the adjusting ring 4, and a plurality of balls 6 are arranged between the second lower ring groove 13 and the second upper ring groove 43, so that the adjusting unit can rotate along the outer spline shaft 2; the outer wall of the external spline shaft 2 and the inner wall of the adjusting ring 4 are provided with threads which are matched with each other, the adjusting ring 4 is fixedly provided with a nylon ring 42 at one side away from the flanging 11, and the nylon ring 42 tightly supports against the threads of the external spline shaft 2, so that the adjusting unit and the external spline shaft 2 synchronously rotate under the condition of no external force interference.

The outer wall of the adjusting ring 4 is a frosted surface or is provided with a convex edge so as to facilitate the rotation of the adjusting unit by an operator.

The grinding wheel connector comprises a connecting sheet 52 extending out along the circumferential direction of the end part of the external spline shaft 2 and a Morse taper head 51 extending out along the axial direction of the external spline shaft 2.

As shown in fig. 4, in operation, a pair of grinding wheel adjusting devices are oppositely arranged, two grinding wheels are respectively mounted on two grinding wheel connectors through bolts, a spring passes between the two grinding wheels, meanwhile, the wheel surfaces of the grinding wheels grind two end surfaces of the spring, in the grinding wheel adjusting device above the spring, a flanging 11 supports a pressing plate 3 through a ball 6 between first upper and lower annular grooves (12, 31), when the grinding wheels normally work, a motor output shaft drives an inner spline sleeve 1 to rotate, an outer spline shaft 2 and the inner spline shaft pipe synchronously rotate, when the grinding wheels need to be adjusted, the motor stops working, an adjusting unit is rotated, and the outer spline shaft 2 moves downwards under the action of threads, so that the grinding wheels move downwards; in the emery wheel adjusting device who is located the spring below, turn-ups 11 supports adjustable ring 4 through the ball 6 that is located between the second upper and lower annular (13, 43), and when the emery wheel normally worked, motor output shaft drove internal spline sleeve pipe 1 and rotates, and external spline shaft 2 and internal spline central siphon synchronous rotation, when needs were adjusted the emery wheel, stop motor work, rotate the regulating unit, and external spline shaft 2 upwards moved under the screw thread effect for the emery wheel shifts up.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a grinding wheel adjusting device for pressure spring face grinding which characterized in that: the grinding wheel grinding device comprises an inner spline sleeve (1), an outer spline shaft (2) and an adjusting unit, wherein one end of the outer spline shaft (2) is in spline connection with the inner spline sleeve (1), and the other end of the outer spline shaft is provided with a grinding wheel connector;

the adjusting unit is arranged in external spline sleeve pipe tip, and it includes adjustable ring (4), outside external spline shaft (2) were located to adjustable ring (4) cover, the integral key shaft outer wall was opened with adjustable ring (4) inner wall has matched with screw thread, and when adjustable ring (4) rotated along external spline shaft (2), internal spline sleeve pipe (1) axial motion was followed to external spline shaft (2).

2. The dressing device according to claim 1, wherein: the adjusting unit comprises an inner spline sleeve (1), a flange (11) and an annular pressing plate (3), wherein the end of the inner spline sleeve (1) extends out of the inner spline sleeve along the circumferential direction, the inner spline sleeve is sleeved with the pressing plate (3), the flange (11) is arranged between the pressing plate (3) and an adjusting ring (4), and the pressing plate (3) is fixedly connected with the adjusting ring (4).

3. The grinding wheel truing apparatus for pressure spring end face grinding according to claim 2, wherein: the clamp plate (3) is provided with a first upper ring groove (31), the flanging (11) is provided with a first lower ring groove (12) corresponding to the first upper ring groove (31), and a ball (6) is arranged between the first upper ring groove (31) and the first lower ring groove (12).

4. The grinding wheel truing apparatus for pressure spring end face grinding according to claim 2, wherein: annular (43) on the second is opened to adjustable ring (4), internal spline sleeve pipe (1) is close to adjusting unit one end terminal surface and opens have with the second go up annular (43) to corresponding second lower annular (13), be equipped with ball (6) between upper and lower annular (43, 13) of second.

5. The grinding wheel truing apparatus for pressure spring end face grinding according to claim 2, wherein: the outer edge of the adjusting ring (4) vertically extends out of a vertical edge (41) along the direction of the circumferential pressure plate (3), and the outer edge of the pressure plate (3) is fixedly connected with the vertical edge (41).

6. The dressing device according to claim 1, wherein: the inner wall of the adjusting ring (4) is fixedly provided with a nylon ring (42), and the nylon ring (42) is tightly propped against the outer wall of the external spline shaft (2).

7. The dressing device according to claim 1, wherein: the grinding wheel connector comprises a connecting piece (52) extending outwards along the circumferential direction along the end part of the external spline shaft (2) and a Morse taper head (51) extending axially along the external spline shaft (2).