JPH0360934A - Automatic integrating device for spring - Google Patents

Abstract

PURPOSE:To improve the productivity and quality by providing a spring transfer device which transfers a spring from a part feeder, a spring offtake device and spring fitting device on the device automatically integrating into a product a coil spring having hook parts at both ends. CONSTITUTION:A device 1 automatically integrating into a product 8 a coil spring at whose both ends clincher hooks are formed is composed of a spring transfer device 3 which transfers an extension coil spring fed from a part feeder 2, a spring offtake device 4 taking off transferred coil springs by separating them one by one and a spring fitting device 5 fitting to the fitting place of the product 8 as well as adjusting the coil spring in the specific fitting length. The coil spring fed from the part feeder 2 is transferred to the spring offtake device 4 by the spring fitting device 3. Now the coil spring is taken off one by one, automatically fitted to the product 8 by the spring fitting device 5 and integrated.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an automatic spring assembling device for assembling a coil spring having hook portions on both sides into a product.

BACKGROUND OF THE INVENTION In recent years, mechanical parts have become smaller due to the miniaturization and weight reduction of equipment. Furthermore, in the assembly of mechanisms, production using automatic assembly machines is progressing in order to save labor, improve productivity, and improve quality.

Under these circumstances, there is an increasing need for a process that automatically assembles springs, but in the past, assembling springs was done manually.

Problems to be Solved by the Invention As described above, since the springs have conventionally been assembled manually, there has been a problem in that there is a limit to the improvement in productivity and quality.

Therefore, an object of the present invention is to provide an automatic spring assembling device that can fully automatically incorporate a coil spring into a product.

Means for Solving the Problems In order to solve the above problems, the automatic spring assembling device of the present invention is a device that automatically assembles a coil spring having hook portions formed at both ends into a product, and that A spring conveyance device that conveys the coil springs supplied from the feeder, a spring take-out device that takes out the coil springs conveyed by this spring conveyance device one by one, and a hook for the coil springs taken out by this spring take-out device. The device is comprised of a spring mounting M device that engages with the spring to adjust the coil spring to a predetermined mounting length and also mounts the coil spring to the mounting location on the product side.

Operation With the above configuration, the coil springs supplied from the parts feeder are transported by the spring conveying device to the spring take-out device, where the coil springs are taken out one by one, set, and automatically assembled into products by the spring mounting device. installed and incorporated into the

Example Hereinafter, one embodiment of the present invention will be described based on the drawings.

First, the overall configuration of the automatic spring assembly device will be schematically explained based on FIG.

That is, the automatic spring assembly device IFi, the parts feeder 2
Spring conveyance device (also called line feeder, hereinafter referred to as conveyance device) 3 that conveys the tension coil spring supplied from
And, the coil spring conveyed by this conveyance device 3 is
A spring take-out device (hereinafter referred to as a take-out device) 4 that separates and takes out individual springs engages with the hook portion of the coil spring taken out by this take-out device 4 to adjust the coil spring to a predetermined installation length. It also includes a spring mounting device (hereinafter referred to as mounting device) 5 for mounting this coil spring on the mounting location of the product.

As shown in FIGS. 2 and 3, the conveying device 3Fi includes a lower guide body 11 having a lower guide groove 11a for guiding the lower part of the coil spring 7, and a lower guide body 11 that is erected and supported from one side of the lower guide body 11. and an upper guide body 12 having an upper guide groove 12a for guiding the upper part of the coil spring 7, and each guide groove 11a, 12a of both guide bodies 11.12.
A gap 13 slightly larger than the wire diameter is formed on both sides of the coil spring 7 for guiding the hook portion 7a of the coil spring 7 into a horizontal position. Further, as shown in FIG. 3, the coil springs 7 are made at least as large as three hook parts at the terminal end of the conveying device 3 so that the coil springs 7 can be separated one by one via the hook parts 7a. Each guide body 11, 12 is cut out on both sides.

Next, the coil spring removal device 4 will be explained based on FIG. 4.

This take-out device 4 is movable up and down by a first support socket 14 provided on the pedestal 6 at a position below the transport device 3, and a first lifting cylinder device 15 attached to the first support socket 14 side. A stopper 16 of the supported coil spring 7, a first elevating body 18 supported so as to be movable up and down by a second elevating cylinder device 17 provided above the conveyance device 3, and one end of the first elevating body 18. The first pins 19 for engaging the left and right pair of hook portions 7a are attached to the left and right hook portions 7a, and the first longitudinally moving cylinder device 20 is provided at the bottom of one end of the first support bracket 14 toward the mounting device 5 side. First vertical plate 2 that is moved back and forth
1, a second elevating body 23 supported so as to be able to rise and fall freely by a third elevating cylinder device 22 provided on the first vertical plate 21 side, and one end of the second elevating body 23 on the conveying device 3 side. A second pair of attached left and right hook portions 7a for engagement.
A guide plate 25 for the coil spring 7 provided at a position facing the bin 24 and the conveying device 3 and below the mounting device 5
It is composed of.

Among them, 26 to 29 are guide members such as an elevating body and a vertical plate.

Next, the coil spring mounting device 5 will be explained based on FIGS. 4 and 5.

This mounting device 5 includes a second support bracket 32 that is erected on a pedestal 6 and is provided across a position corresponding to the guide plate 25 and the product transfer line 9, and has a pair of upper and lower horizontal guide members 31. , a horizontal moving body 35 guided by the horizontal guide member 31 via a slide member 33 and made movable by a second longitudinally moving cylinder device 34 attached to the second support bracket 32; A vertical guide member 36 is provided on the body in the vertical direction, and a slide member 37 is attached to this vertical guide member 36.
, and is lifted and lowered by a fourth lifting cylinder 38 provided on the horizontal moving body 35 side.
The elevating and crushing body 39 is rotatably supported by the third elevating and descending body 39 in a vertical plane via a horizontal rotating shaft body 40, and a swinging cylinder device 41 is provided on the third elevating and descending body 39 side. A swinging body 43 that swings at a predetermined angle (for example, a range of 90') via a lever 42 and a rotating shaft 40, and a pair of left and right hooks attached to this swinging body 43 via an opening/closing chuck 44. The third part for engaging part 7a
The coil spring 7, which is made freely retractable in the direction of arrow a in FIG. It consists of a push-in plate 47 for pushing into the hook part of. Among them, 48 is a guide member.

Next, the operation of attaching the coil spring to the product will be explained based on FIG.

First, as shown in FIG. 6 (al), a plurality of coil springs 7 are sequentially arranged at the tip of the conveying device 3 via the stopper 16 so that the hook portions 7a thereof are in a horizontal position. As shown in Figure ibl, the first bottle 19 is inserted into the hook portion 7a of the second coil spring 7B from the end by the second lifting cylinder device 17, and the hook portion of the first coil spring 7A from the end is inserted. 7a, the second bin 24 is inserted by the third lifting cylinder device 22, and each coil spring 7 is held therein.

Next, as shown in FIG. 6(c), after the stopper 16 is lowered by the third lifting cylinder device 22, the second bin 24 is lowered by the first longitudinally moving cylinder device 20.
The first coil spring 7A is moved onto the guide plate 25 via. After this, the stopper 16 is immediately raised and the first bin 19 is also raised, and the next coil 7
is sent to the extraction position at the tip. Next, Fig. 6 (dl
As shown in the figure, the fourth lifting cylinder device 38 allows
The third elevating body 39 is lowered and the third pin 45 is inserted into the hook portion a of the coil spring 7. And Fig. 6 fe)
As shown in FIG. 2, after lowering the second bottle 24, the left and right third pins 45 are spread out by the chuck 44, and the coil spring 7
When attaching the hook portion 7a to the product 8, the width should be the same as the width.

Next, the swinging body 43 is moved to 9 by the swinging cylinder device 41.
0' rotation to move the coil spring 7 to the product 8 on the transfer line 9
to face. Next, in this state, if the pushing plate 47 is protruded by the insertion cylinder device 46, as shown in FIG.
1, the hook portion 7a of the coil spring 7 is connected to the product 8.
It is hooked onto the locking part 8a of the holder and is automatically attached. After the coil spring 7 is installed, the oscillating body 43 is swung back to its original position, the third bottle 45 and the push plate 47 are also returned to their original states, and the third elevating body 39 is also raised to move to the next position. Preparation is made for mounting the coil spring 7. The above operations are repeated, and the coil springs 7 are automatically incorporated into the product 8 one after another.

Effects of the Invention As described above, according to the configuration of the present invention, there is a spring conveyance device that conveys the coil springs supplied from the parts feeder, and a coil spring conveyed by the spring conveyance device.
A spring take-out device that takes out individual springs engages the hook portion of the coil spring taken out by this spring take-out device, adjusts the coil spring to a predetermined installation length, and attaches this coil spring to the installation location on the product side. Since the coil spring is configured to include a spring mounting device for mounting, the coil spring can be automatically incorporated into the product, thereby improving productivity and quality.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a sectional view of the spring conveying device, Fig. 3 is a plan view of the main part, and Fig. 4 is a view of the spring take-out part. Partially cutaway side view,
Figure 5 is a partially cutaway front view of the spring mounting device, Figure 6 (a
t~(fl is a perspective view of a main part explaining the assembling operation of a coil spring. 1... Spring automatic assembling device, 2... Parts feeder,
3... Spring conveyance device, 4... Spring take-out device, 5...
... Spring mounting device, 7... Coil spring, 7a... Hook portion, 8... Product, 11... Lower guide body, 12.
... Upper guide body, 15... First lifting cylinder device, 16... Stopper, 17... Second! + descending cylinder device, 18... first elevating body, 19... first pin, 20... first longitudinal movement cylinder device, 21.
...First vertical plate, 22... Third elevating cylinder device, 23... Second elevating body, 24... Second pin, 34...
...Second longitudinal movement cylinder device, 35...Horizontal moving body, 38...Fourth lifting cylinder device, 39...
- Third elevating body, 41... Swinging cylinder device, 43
... Rocking body, 44... Opening/closing chuck, 45...
Third pin, 46... Cylinder device for insertion, 47...
・Push board.

Claims (1)

[Claims] 1. A device that automatically incorporates a coil spring with hooks formed at both ends into a product, which includes a spring transport device that transports the coil spring supplied from a parts feeder, and a spring transport device that transports the coil spring by this spring transport device. A spring take-out device takes out the coiled springs one by one, and the spring take-out device engages the hook portion of the taken-out coil spring to adjust the coil spring to a predetermined installed length. An automatic spring installation device consisting of a spring mounting device that is attached to the installation location on the product side.