KR200473069Y1 - Device for assembling a strut for vehicles - Google Patents

Abstract

This design is. Body; A fastening part including a nut driver disposed at an upper end of the body so as to be movable up and down and having a nut insertion hole at an end thereof and disposed on a center line of the body in a width direction; A z-axis stage that is slidably coupled to the body in a z-axis direction on both sides with respect to a center line in the width direction (x-axis direction) of the body, and a z-axis stage coupled to the body and the z- Axis stage; a y-axis stage that is coupled to the lower surface of the z-axis stage so as to be slidable in the y-axis direction; and a y- Axis stage; and an x-axis stage coupled to the body and the x-axis stage to move the x-axis stage in the x-axis direction Axis stage, and a pressing block having a pressing slope surface which is engaged with an end of the x-axis stage and contacts the coil spring. Seizure stage; A clamping means disposed on the center line in the width direction of the body and formed on a lower portion of the body and a clamping means disposed on the body with the jig therebetween for supporting a lower end of the strut body mounted on the jig; A spring supporting means disposed on the body above the clamping means and supporting a lower end of the coil spring inserted into the strut body seated on the jig, and a spring supporting means for supporting the coupling portion, the z-axis driving portion, And a control unit connected to the clamping unit and the spring support unit.

Description

A device for assembling a strut for vehicles,

The present invention relates to a vehicle strut assembly apparatus, and more particularly, to a vehicle strut assembly apparatus for assembling a strut body, a coil spring, and an insulator.

2. Description of the Related Art Generally, a suspension of a vehicle is an important device for improving ride comfort and driving stability, and functions to suppress or rapidly reduce the vibration provided from the wheel while stably supporting the vehicle body from the wheel.

Typically, a strut-type suspension may include a strut body, a coil spring inserted into the strut body, and an insulator coupled to the upper end of the strut body. The strut body may be provided with a spring seat for supporting the lower end and the upper end of the coil spring.

First, a coil spring is inserted into a strut body, and then a spring seat for supporting the upper end of the coil spring is inserted. After the spring sheet is inserted, after the insulator is inserted, To the upper end of the strut body.

At this time, the coil spring is compressed and assembled to a predetermined length so as to include an elastic force. Therefore, in assembling the strut, a separate assembling device capable of compressing the coil spring and fastening the insulator with the strut body fixed is needed.

Korean Patent Laid-Open No. 10-2012-0030620 (published on Mar. 29, 2012, hereinafter referred to as "the present document") discloses a strut assembly apparatus for a vehicle. The strut assembly apparatus for a vehicle of the present document is provided with an assembly jig on a work table, and a strut body is seated on the assembly jig. The upper frame of the workbench is provided with a pressurizing and assembling means capable of ascending and descending, and the pressurizing and assembling means presses the upper cap of the insulator to fix it to the strut body.

However, in the strut assembly apparatus for such a vehicle, since the strut body needs to be assembled to the assembly jig by a separate fastening member, the assembly process is troublesome and takes a long time. Also, there is a limit in assembling the strut body having various sizes and shapes according to the structure of the assembly rig. Therefore, in order to assemble struts having different sizes and center lines of coil springs, it is necessary to provide a plurality of strut assemblies for a vehicle.

Korean Patent Publication No. 10-2012-0030620 (published on March 29, 2012)

Accordingly, it is an object of the present invention to provide a strut assembly apparatus for a vehicle which can easily assemble a strut and can assemble struts having various sizes and shapes.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned here can be understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a vehicular strut assembly including a strut body, a coil spring inserted into the strut body, and an insulator coupled to an upper end of the strut body, And a nut driver having a nut insertion hole at an end thereof and disposed on a center line of the body in a width direction of the body, A z-axis stage that is coupled to the body and the z-axis stage to move in the z-axis direction, and a z-axis driving unit that is coupled to the body and the z- A y-axis stage that is slidably coupled to a lower surface of the body and the y-axis stage, A y-axis moving unit that moves the y-axis stage in the y-axis direction by engaging with the y-axis stage, an x-axis stage that is slidably coupled to the lower surface of the y- Axis stage; an x-axis driving unit for moving the x-axis stage in the x-axis direction; and a pressing unit including a pressing block having a pressing slope which is engaged with an end of the x- Clamping means disposed on the directional center line and provided at a lower portion of the body and supporting the lower end of the strut body placed on the jig and disposed on the body with the jig therebetween; Spring supporting means for supporting the lower end of the coil spring inserted into the strut body placed on the jig, Coupled, it is possible to provide a vehicle strut assembly comprising the same z-axis drive and the y-axis drive, the x-axis drive, the clamping means and a control member coupled to the spring supporting means.

Preferably, the clamping means is connected to a link bar, which is rotatably connected to the body, with a clamping driving portion in the form of a cylinder provided on the body 100, and the end portion of the link bar is supported by a support A block may be formed.

Preferably, the control unit controls the clamping drive unit to support the lower end front portion of the strut body that is seated on the jig, and then controls the spring support means so that the spring support block is moved to the lower end of the coil spring . ≪ / RTI >

According to an embodiment of the present invention, there is provided a clamping unit including a clamping unit and a pressing block that automatically move so as to contact and support the strut body and the coil spring in a state where the strut body is seated. In the state where the strut body is fixed, So as to provide an advantageous effect that the strut can be easily assembled. Particularly, since the position of the clamping portion and the position of the press block can be precisely controlled, it is possible to assemble struts having more various sizes and shapes.

According to an embodiment of the present invention, there is provided a nut driver that rotates the nut in a compressed state of the coil spring to fasten the insulator to the upper end of the strut body, thereby providing an advantageous effect that the strut can be assembled more easily .

According to an embodiment of the present invention, since the coil spring is automatically moved in a state in which the coil spring is seated on the spring seat to provide the second clamping portion for supporting the lower end of the coil spring, the strut can be assembled more stably, It is advantageous to support a coil spring having a size and shape.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a strut assembling apparatus for a vehicle according to a preferred embodiment of the present invention;
FIG. 2 is a view showing the fastening portion shown in FIG. 1,
FIG. 3 is a view showing a nut drive of the fastening portion shown in FIG. 2,
Figures 4 and 5 show the pushing means for securing the strut,
Figure 6 shows the clamping means,
7 is a view showing a second clamping part for supporting a coil spring.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. It will be appreciated that those skilled in the art can change or modify the embodiments without departing from the scope and spirit of the invention.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

The present invention is characterized in that the strut body is not fixed but is structured so as to support the strut body in a state of being seated in the jig, and to automatically compress the coil spring and fasten the insulator. In particular, it is a device designed to adjust the support position of the strut body and the coil spring to apply to a wider variety of strut bodies and springs.

FIG. 1 is a view showing a strut-assembling device of a vehicle according to a preferred embodiment of the present invention, and FIG. 2 is a view showing the fastening portion shown in FIG. 1 and 2 clearly show only the main feature parts in order to clearly understand the concept of the present invention and as a result various variations of the illustration are expected and the scope of the present invention Need not be limited.

According to a preferred embodiment of the present invention, the body 100, the fastening unit 200, the pressing unit 300, the jig 400, the clamping unit 500, the control unit 600, (700).

The body 100 may be divided into a lower part for forming a work table and an upper part for installing the fastening part 200. A jig 400 on which the strut body 1 is seated may be provided on the lower part of the body 100.

The coupling part 200 serves to compress the coil spring 2 by pressing the pressing means 300. The fastening part 200 may be installed at the upper end of the body 100 and may be formed to move up and down. Specifically, the coupling part 200 can be moved up and down by a hydraulic or pneumatic cylinder 220 installed on the body 100.

The fastening portion 200 may include a nut drive 210.

3 is a view showing a nut drive of the fastening part shown in FIG.

2 and 3, the nut drive 210 is disposed on the center line of the fastening portion 200 in the width direction and fastens or unscrews the nut to fasten or separate the insulator 3 and the strut body 1 It plays a role of releasing.

The nut drive 210 may be configured to rotate by a nut fastening drive unit 230 including a servo motor and may be configured to tighten or loosen the nut with a preset torque value by the controller 600. [ A nut-shaped nut insertion hole 211 may be formed at an end of the nut drive 210 to receive a nut.

Figs. 4 and 5 show the pressing means for fixing the strut. Fig.

As shown in FIGS. 4 and 5, the pressing means 300 functions to directly compress the coil spring 2 in conjunction with the fastening portion 200. The pressing unit 300 includes a z-axis stage 310, a z-axis driving unit 320, a y-axis stage 330, a y-axis driving unit 340, an x- (360) and a push block (370).

A pair of z-axis stages 310 are provided horizontally symmetrically with respect to the center line of the fastening portion 200 in the width direction. The z-axis stage 310 is connected to a z-axis driving unit 320 formed on the body 100 and is formed to move up and down the body 100. The z-axis driving unit 320 may be a combination of a servo motor and a ball screw connected thereto.

The y-axis stage 330 can be slidably coupled to the lower surface of each z-axis stage 310 in the y-axis direction. For example, a rail may be provided on the lower surface of the z-axis stage 310 in the y-axis direction, and the y-axis stage 330 may be coupled to the rail.

The y-axis moving part 340 is installed on the body 100 to move the y-axis stage 330 in the y-axis direction. The y-axis driving part 340 may be a combination of a servo motor and a ball screw connected thereto.

The x-axis stage 350 can be slidably coupled to the lower surface of the y-axis stage 330 in the x-axis direction. For example, a rail may be provided on the lower surface of the y-axis stage 330 in the x-axis direction, and the x-axis stage 350 may be coupled to the rail. The x-axis stage 350 can move in the y-axis direction in conjunction with the movement of the y-axis stage 330.

The x-axis driving unit 360 is installed in the body 100 to move the x-axis stage 350 in the x-axis direction. The x-axis running portion 340 may be formed by combining a servo motor and a ball screw connected thereto.

The pressing block 370 is in contact with the coil spring 2 inserted into the strut body 1 mounted on the jig 400 and compresses the coil spring 2 in accordance with the downward movement of the coupling part 200 . The push block 370 is formed at each end of the x-axis stage 350 symmetrically disposed with respect to the center line of the fastening portion 200 so that the strut body 1, which is seated on the jig 400, So as to face each other.

In one embodiment, the press block 370 may be comprised of a pair of parts disposed such that the pressure ramps 371 directly contacting the coil spring 2 face each other, and the coil spring 2 The pressing rib 372 can be formed.

The position of the pressing block 370 can be precisely controlled through the control part 600 that controls the operation of the y-axis driving part 340 and the x-axis driving part 360. Therefore, unlike the conventional strut body assembling apparatus for a vehicle in which the pressing position is fixed, the pressing block 370 is appropriately positioned corresponding to the size and shape of the strut body 1 and the coil spring 2 seated on the jig 400 Can be located. According to one embodiment of the present invention, since strut bodies having different sizes or center lines can be assembled according to the type of vehicle to which the present invention is applied, it is not necessary to provide a strut assembly device for each vehicle type, There is a big advantage that it can be assembled.

The jig 400 is formed at the lower end of the body 100, and the strut body 1 is seated. The jig 400 guides the strut body 1 to be mounted so that the strut body 1 can be easily detached, instead of fixing the strut body 1.

Fig. 6 is a view showing a clamping means, and Fig. 7 is a view showing a second clamping part for supporting a coil spring.

Referring to FIG. 6, the clamping unit 500 serves to fix the strut body 1 and the coil spring 2 mounted on the jig 400 so as not to collapse during the assembly process

The clamping means 500 is disposed on both sides of the jig 400 to support the lower end of the strut body 1 with reference to the center line of the body 100 in the width direction. Specifically, a clamping driving unit 510 of a cylindrical shape provided on the body 100 is connected to a link bar 520 rotatably connected to the body 100, and the end of the link bar 520 A supporting block 530 may be formed which is in contact with the lower end front portion of the strut body 1. [

The support block 530 is brought into contact with the lower end front portion of the strut body 1 while the link bar 520 is rotated so that the strut body 1 is prevented from falling forward in the assembling process, do.

1 and 7, the spring supporting means 700 is disposed in the upper body 100 of the jig 400 and serves to support the lower end of the coil spring 2. The spring support means 700 includes a spring support driving unit 720 installed on the body 100 and a link bar 710 rotatably coupled to the body 100. The spring support unit 700 includes a spring support block 710 connected to an end of the link bar 710, 730 < / RTI >

The control unit 600 controls the spring support driving unit 720 so that the spring support block 730 can move the coil spring 2 in the state where the strut 10 is mounted on the jig 400 and supported by the clamping unit 500 To support the lower end of the frame.

When the coupling part 200 descends to compress the coil spring 2, the control part 600 can control the spring support driving part 720 such that the spring supporting block 730 is separated from the coil spring 2 .

As described above, a strut assembly apparatus for a vehicle according to a preferred embodiment of the present invention has been specifically described with reference to the accompanying drawings.

It will be understood by those skilled in the art that various changes, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended claims. will be. Therefore, the embodiments disclosed in the present invention and the accompanying drawings are intended to illustrate and not to limit the technical idea of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings . The scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are within the scope of the same should be interpreted as being included in the scope of the present invention.

10: Struts
1: Strut body
2: coil spring
3: Insulator
100: Body
200: fastening part
210: Nut Drive
211: Nut inserting ball
220: Cylinder
230: Nut fastening drive part
300: pressing means
310: z-axis stage
320: a z-
330: y-axis stage
340: y-axis driver
350: x-axis stage
360: x-axis driver
370: Pressurized block
400: jig
500: clamping means
510: Clamping driver
600:
700: spring supporting means
710: Link bar
720:
730: spring support block

Claims (3)

A strut assembly for a vehicle, comprising: a strut body; a coil spring inserted into the strut body; and an insulator coupled to an upper end of the strut body,
Body;
A fastening part including a nut driver disposed at an upper end of the body so as to be movable up and down and having a nut insertion hole at an end thereof and disposed on a center line of the body in a width direction;
A z-axis stage that is slidably coupled to the body in a z-axis direction on both sides with respect to a center line in the width direction (x-axis direction) of the body, and a z-axis stage coupled to the body and the z- Axis stage; a y-axis stage that is coupled to the lower surface of the z-axis stage so as to be slidable in the y-axis direction; and a y- Axis stage; and an x-axis stage coupled to the body and the x-axis stage to move the x-axis stage in the x-axis direction Axis stage, and a pressing block having a pressing slope surface which is engaged with an end of the x-axis stage and contacts the coil spring. Seizure stage;
A jig disposed on a center line in the width direction of the body and formed at a lower portion of the body;
Clamping means disposed on the body with the jig therebetween to support a lower end of the strut body seated on the jig;
Spring supporting means for supporting the lower end of the coil spring inserted in the strut body placed on the jig and disposed on the body above the clamping means,
A control unit connected to the coupling unit, the z-axis driving unit, the y-axis driving unit, the x-axis driving unit, the clamping unit,
And a strut assembly.
The method according to claim 1,
The clamping means is connected to a link bar rotatably connected to the body in a cylinder-shaped clamping driving portion provided on the body 100, and a support block is formed at an end of the link bar to contact a lower front portion of the strut body Vehicle strut assembling device.
3. The method of claim 2,
The control unit controls the clamping driving unit to support the lower end front portion of the strut body that is seated on the jig, and then controls the spring supporting unit to support the lower end of the coil spring Vehicle strut assembling device.

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