CN213411409U - End face grinding tool for small-angle arc spring - Google Patents

Abstract

The utility model relates to a frock is used in spring processing. The utility model provides an end face grinding frock of small-angle arc spring, includes the mill, installs a plurality of spring clamping modules on the mill, spring clamping module include the base, seted up a plurality of spring on the base and held the chamber, the radian that the spring held the chamber is the same with the radian of treating grinding arc spring, is equipped with the tip at the one end that the spring held the chamber and leaves the groove that remains, holds the chamber at the spring and is equipped with the apron, the apron is fixed on the base. The utility model provides a small-angle arc spring end face grinding tool which has simple structure, can grind the end faces of a plurality of springs at one time, is convenient for clamping the arc spring and has small volume; the clamping tool solves the technical problems that the clamping tool for grinding the end faces of the arc springs in the prior art is large in size, can only grind the end faces singly and is low in grinding efficiency.

Description

End face grinding tool for small-angle arc spring

Technical Field

The utility model relates to a frock is used in spring processing, especially relates to the terminal surface grinding frock of small-angle arc spring.

Background

A spring is a mechanical part that works by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. The springs can be divided into extension springs, compression springs, torsion springs and bending springs according to stress properties, disc springs, annular springs, plate springs, spiral springs, truncated cone volute springs, torsion bar springs and the like according to shapes, and can be divided into cold coil springs and hot coil springs according to manufacturing processes. The common cylindrical spring has simple manufacture, can be made into various types according to the loading condition, has simple structure and is most widely applied. The spring is generally made of a material having a high elastic limit, a high fatigue limit, a high impact toughness, a high heat treatment property, and the like, and carbon spring steel, alloy spring steel, stainless spring steel, copper alloy, nickel alloy, rubber, and the like are generally used. The spring can be produced by a cold rolling method or a hot rolling method. The diameter of the spring wire is less than 8 mm, the cold rolling method is generally used, and the hot rolling method is used for the spring wire more than 8 mm. Some springs are forced or shot-blasted after being manufactured, so that the bearing capacity of the springs can be improved.

When processing the arc spring, one step is to grind the end face of the spring. In the processing equipment of the arc spring with large angle, there are Chinese patents: "arc spring's both ends face grinds paper-back edition and puts (CN 201010111752.7)", is equipped with rectangular shape workstation below the base crossbeam, is equipped with emery wheel clamping device on the crossbeam, is equipped with emery wheel regulator, first emery wheel, second emery wheel on the emery wheel clamping device, and first emery wheel and second emery wheel set up with workstation longitudinal axis symmetry, are equipped with the rack in the workstation and grind the board, and a plurality of vice spring clamping devices are parallel to be assembled on the rack grinds the board, presss from both sides and is equipped with arc constant head tank and one-way closing device on the spring clamping device. The grinding wheel adjuster in the grinding wheel clamping device can automatically control the adjuster for the grinding angle and the grinding size of the first grinding wheel and the second grinding wheel, the arc-shaped positioning groove and the one-way pressing device can quickly position and fix a product, and when the end face grinding is finished, the one-way pressing device is pushed open by the stop lever opening mechanism at the other end of the machine base, so that the arc-shaped spring automatically falls off.

However, this is a grinding method for a spring having a large curvature, and after positioning the spring, both ends are ground simultaneously. The equipment is bulky, and the arc spring can only be processed independently.

Disclosure of Invention

The utility model provides a small-angle arc spring end face grinding tool which has simple structure, can grind the end faces of a plurality of springs at one time, is convenient for clamping the arc spring and has small volume; the clamping tool solves the technical problems that the clamping tool for grinding the end faces of the arc springs in the prior art is large in size, can only grind the end faces singly and is low in grinding efficiency.

The above technical problem of the present invention is solved by the following technical solutions: the utility model provides an end face grinding frock of small-angle arc spring, includes the mill, installs a plurality of spring clamping modules on the mill, spring clamping module include the base, seted up a plurality of spring on the base and held the chamber, the radian that the spring held the chamber is the same with the radian of treating grinding arc spring, is equipped with the tip at the one end that the spring held the chamber and leaves the groove that remains, holds the chamber at the spring and is equipped with the apron, the apron is fixed on the base. A plurality of spring clamping modules can be installed on one grinding disc, and a plurality of arc-shaped springs can be installed in each clamping module, so that after one-time installation is completed, the whole grinding disc is directly placed on a grinding machine for grinding, namely end face grinding can be performed on the plurality of springs, and the grinding efficiency is improved. And each spring clamping module is an independent individual, and can be independently adjusted if damaged. The arc-shaped spring is directly placed in the spring accommodating cavity, and then the arc-shaped spring is fixed in the spring accommodating cavity through the cover plate. One end of the arc-shaped spring is higher than the surface of the spring accommodating cavity, the other end of the arc-shaped spring is positioned in the end part remaining groove, the spring is subjected to end face grinding, and after the grinding is finished, the spring is taken out and turned to be the other end. The utility model discloses the simple structure of device, the clamping is convenient, and the grinding is efficient.

Preferably, the end part remaining groove comprises a groove bottom plane, and two sides of the groove bottom plane are respectively provided with a downwards concave arc-shaped groove. The arc recess is less than the tank bottom plane, guarantees like this when arc spring one end grinds, and the one end that does not have the grinding can hold through the annular groove, and after processing one end, when the grinding was carried out to other one end, that end that has ground was direct butt on the tank bottom plane, then carries out the grinding.

Preferably, the groove bottom planes of the end remaining grooves provided on the same end face of the base are parallel to each other. When guaranteeing a plurality of arc springs to grind simultaneously, the spring terminal surface parallel and level after the grinding guarantees the unity of processing.

Preferably, a set of spring accommodating cavities are formed in the front surface and the rear surface of the base respectively, each set of spring accommodating cavity comprises two spring accommodating cavities, and a cover plate is mounted on the front surface and the rear surface of the base respectively. Can set up 4 spring simultaneously and hold the chamber on a base, perhaps can place more spring according to customer's needs at every terminal surface and hold the chamber, arrange respectively in the front and back surface, improve grinding efficiency, can be fixed with a plurality of arc springs that lie in the same face through two apron.

Preferably, the arc bending directions of the plurality of spring accommodating cavities on the base are the same. The space is saved, and the grinding efficiency is improved.

Preferably, the lower end surface of the base is provided with a connecting column, and the grinding disc is provided with a connecting hole matched with the connecting column. The connection is simple and the installation is convenient.

Preferably, the radian of the spring accommodating cavity is less than pi/2.

Therefore, the utility model discloses a small-angle arc spring's end face grinding frock possesses following advantage: the structure is simple, a plurality of springs can be clamped in one spring clamping module, uniform grinding is realized, and the grinding efficiency is improved; the spring to be ground is clamped in the spring accommodating cavity by the cover plate, so that the clamping and installation are convenient; the end part of the spring accommodating cavity is provided with an end part remaining groove, so that the consistency of spring grinding is ensured.

Drawings

FIG. 1 is a top view of a face grinding tool for a small angle arcuate spring.

Fig. 2 is a sectional view of fig. 1.

Fig. 3 is an enlarged front view of the base in fig. 1.

Fig. 4 is an enlarged plan view of the spring clamping module in embodiment 2.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1:

as shown in figures 1, 2 and 3, the end face grinding tool for the small-angle arc-shaped spring comprises a circular grinding disc 1, wherein a plurality of connecting holes are formed in the circular grinding disc 1. Install a plurality of spring clamping modules 2 on mill 1, spring clamping module 2 includes the base 7 of cuboid shape, and integrated into one piece has spliced pole 9 below base 7, and spliced pole 9 is pegged graft in the connecting hole after, and is fixed through the pin 8 of side. Two arc-shaped spring accommodating cavities 4 are formed in the front end face of the base 7, and the radian of each spring accommodating cavity 4 is smaller than pi/2. The end part of the spring accommodating cavity 4 is integrally formed with an end part remaining groove, the end part remaining groove comprises a groove bottom plane 10, two sides of the groove bottom plane 10 are respectively provided with a downward concave arc-shaped groove 11, and the arc-shaped grooves 11 are used for placing the end part of the arc-shaped spring 3 to be ground. After the arc-shaped spring 3 to be ground is placed in the arc-shaped accommodating cavity 4, the arc-shaped spring to be ground is sealed in the spring accommodating cavity 4 by the cover plate 6. The cover plate 6 is the same as the base in shape, a fixing hole 12 is formed in the base 7, and the cover plate 6 is connected with the base 7 through a bolt 5.

During the use, will treat that the arc spring of grinding puts into the spring and holds the intracavity, and the arc spring is put into the one end that holds the intracavity and is not carried out the terminal surface grinding, consequently has some to be ground, puts into the arc recess with this part in, guarantees the plane butt of effective circle on groove bottom plane, then covers the apron, installs a plurality of spring clamping modules of adorning the arc spring and carries out the grinding on the mill. After one end grinding is completed, the cover plate is opened, the two ends of the spring are exchanged, the ground end is directly abutted to the groove bottom plane, the spring to be ground at the other end is exposed out of the spring accommodating cavity, and then the spring clamping module is mounted on the grinding disc again to grind the other end.

Example 2:

as shown in fig. 4, different from embodiment 1, two arc-shaped spring accommodating cavities 4 are respectively formed in the front and rear end surfaces of the base 7, and the two sides of the base 7 are respectively fixed to the arc-shaped springs mounted on the front and rear end surfaces through two cover plates 6.

Claims (7)

1. The utility model provides an end face grinding frock of small-angle arc spring which characterized in that: including the mill, install a plurality of spring clamping modules on the mill, spring clamping module include the base, seted up a plurality of spring on the base and held the chamber, the radian that the spring held the chamber is the same with the radian of treating grinding arc spring, is equipped with the tip and leaves the groove of remaining in the one end that the spring held the chamber, holds at the spring and is equipped with the apron on the chamber, the apron is fixed on the base.

2. The end face grinding tool for the small-angle arc spring according to claim 1, characterized in that: the end part remaining groove comprises a groove bottom plane, and two sides of the groove bottom plane are respectively provided with a downward concave arc-shaped groove.

3. The end face grinding tool for the small-angle arc spring according to claim 2, characterized in that: the bottom planes of the end part remaining grooves arranged on the same end surface of the base are parallel to each other.

4. The end face grinding tool for the small-angle arc-shaped spring according to claim 1, 2 or 3, characterized in that: a set of spring holds the chamber respectively has been seted up on the front and back surface of base, and every group spring holds the chamber and includes that two springs hold the chamber, respectively installs a apron on the front and back surface of base.

5. The end face grinding tool for the small-angle arc-shaped spring according to claim 1, 2 or 3, characterized in that: the arc bending directions of the spring accommodating cavities on the base are the same.

6. The end face grinding tool for the small-angle arc-shaped spring according to claim 1, 2 or 3, characterized in that: the lower end face of the base is provided with a connecting column, and the grinding disc is provided with a connecting hole matched with the connecting column.

7. The end face grinding tool for the small-angle arc-shaped spring according to claim 1, 2 or 3, characterized in that: the radian of the spring accommodating cavity is less than pi/2.

Images