JPS58142010A - Method of fixing stud to plate - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a shell grate K Smed tb! for airtight containers of boosters, etc. Regarding the method of i1i.

Generally, in order to scatter objects such as mask cylinders into the airtight container 6 of a booster, studs crimped and fixed to the plate of the airtight container are often used. Generally, as shown in FIGS. 1 to 1143, this stud includes a crimping shaft S (knurling part) 1, a crimping shaft 1IliI2 formed at the top of the crimping shaft part 1 and having a larger diameter than the crimping shaft ISI, and a crimping shaft S (knurling part) 1. It consists of a threaded shaft 3 with a smaller diameter than the caulking shaft part 1 formed in the center of the other part 1, and tearing is done by using this threaded shaft 3v. l! 1! Shrimp 9 on 414
It is now possible to attach it.

By the way, an airtight container consisting of 5 Yoki Sumedo VGI plates and 2 plates and 5B! Conventionally, the K to be attached to the plate 5 of No. 4 is made by inserting a stud into the hole 58 of the plate 5 and supporting the gR section 2 with the punch stand 6.
This was done by pressing with a cylindrical punch 7 whose pressing surface 7a, which is the outer periphery 1a of the screw shaft 3 in the GM direction, is flat. By this suppression, the peripheral part of the caulking shaft s1 and the screw shaft 31
The end of 1 is pushed wide as shown in Figure 3 to form hole Sm.
At the same time, the stud is fixed to the grate 5 by covering the opening of the hole 51 of the grate 5.

However, in the conventional fixing method such as the horizontal fixing method, a punch 7v whose suppressing direction 7a is flat is used to
In order to apply pressure evenly over the entire surface of the outer periphery 1a of the surface 111, the entire caulking shaft l swells to -* radius 1 and deforms while enlarging the hole 5a.The stud is caulked against the plate 5 K[l! The transformation involved is #! ]play)
gsi of the caulking shaft part 1 that covers the side of 5A
iii) Deformation of the outer periphery is suppressed, but there is a drawback that strong caulking force and air (liquid) tightness cannot be obtained. Also,
Especially thin w11 plate 5ktJ- as shown in Figure 2.
When the pressing force is increased (if the crimping shaft part is 1σ), the radius is 1,000,000 (
b) σ) Play with the bulge) 5A hole or wide force i
#Iji21 becomes stronger, and the above drawbacks become more noticeable.

FIG. 4 is a four-dimensional cross-sectional view of a fixing part that has been fixed by 5K caulking using the conventional fixing method described above.

From 411 to 1, deformed caulking @ part 1σ) 91 part force 1
The first plate 5AK is fully covered.1. It is clear that the hole in hole 5A (1st play) is greatly expanded by the deformed cull part 1.

Therefore, as mentioned above, it is clear that there is a lot of work to be done in terms of the strength and air (liquid) tightness of the fixing part of the stud.

This book was written to solve this problem,
Caulk the shaft 5 (
The end surface outer circumference σ) of the a-let (a-let) is recessed and the shank portion is swaged, and the stud V is firmly fixed to the plate at once (liquid). The purpose of this invention is to provide a method. WIJt in the light of 'glli'.

Figure 5 shows the studs and plates used to implement this invention.
and punch f) in one embodiment shown.

The same reference numerals as those shown in FIG. 2 indicate the same constituent elements, and the explanation thereof will be simplified.

Here, the stud lO is the caulking shaft part (knurling) 1
And 1m@2! and a screw shaft 3, and the plate 5 constituting the shell of the airtight container has a two-layer structure consisting of five l1lIl plates and [I2 plate 5b-1.
The height Tl of the caulking detail 1 is made larger than the thickness of the plate 5, and the diameter of the caulking shaft @1 is smaller than the diameter of the hole 5 of the plate 5. In addition, the outer periphery of the cull shaft portion 1 is provided with a notch [b].

Further, the punch 7 is cylindrical, and its inner diameter is 111 so that the punch 7 can be inserted into the screw shaft 3! ! The outer diameter of the screw shaft 3 is set slightly larger than the outer diameter of the screw shaft 3, so that the pressing surface 7 of the punch 7
Punch 7 is placed on the inner circumference of a as it moves away from the suppression direction of 7 m.
A hollow truncated conical protrusion 11 is formed with an inclination of 1!1 laV approaching the axis of .

Next, a case in which the method of the present invention is carried out using the stud 10, plate 5, and punch 7 shown in FIG. 5 will be described.

Insert the hole 5a in the plate 5 as shown in the 8th factor. Next, insert the screw shaft 3M into the punch stand 6 with the stud 10° and the screw shaft 3M with the punch 7KM.
The stud 10 is positioned between the punch base 6 and the punch 7 so that the axis of the stud 10σ coincides with the axis of the punch 6.

Then press the caulking shaft s1 with the punch 7 and press the stud 10.
T? Caulk and fix to plate 5. In this case, first the protrusion 11 of the punch 7 is caulked @W/61g] outer circumference 1m between the ends
The flat outer peripheral part of the punch 7 presses the caulking shaft s1 on the @ which is depressed by pressing the inside thereof. Then, the shaft of the shaft part 1 bulges out, and the protrusions 11 and 1
11 and the plate 5m to the outside of the hole 5m. *S of this rlIIf-shaped caulking shaft portion 1 is inclined @11a
#! The width of the holes 5 in the plate 5A is smaller than that in the conventional fixing method. Furthermore, due to the same reason, the caulking shaft s1 flows more easily to the outside of the hole 5m than in the case of the conventional storage method, so that the caulking shaft s1 widely spreads around the opening of the hole 5a. Subsequently, the outer part of the swage shaft S of the hole 5m is pressed by the suppressing surface 'IaK and covered around the opening of the hole 5m, and the stud 10 is swaged. Therefore, the caulked axis I11 spreads around the opening of the hole 5a and
1ia2 to plate 5, and stud 1 (
1 firmly and air (liquid) tightly fixed on the plate 5.

The increments 1b on the outer circumference of the fixing shaft Ill are the stand 10.
Prevents zero rotation.

Figure #17 is from this @V tribute and stud 1 is attached to plate 5.
01' This is a book that depicts a photograph V of the cross section of the fixed part that has been caulked and fixed. From FIG. 7, it can be seen that the end of the shaped caulking shaft portion 1 covers a wider area than that of the conventional example shown in FIG. 5A and the m2 plate 5B, the JICt-shaped caulking shaft part 1 is biting into it, and the beak is smooth. Therefore Stan l' 10■5ii! It can be seen that the strength and air (liquid) tightness of the part are high.

FIG. 8 shows another embodiment of the punch used in carrying out the present invention.The punch 7 of this embodiment is constructed by forming a protrusion 1 with a rounded tip on the circumference of the pressing force f17m. .

The other configurations are similar to those of the above embodiment, and even if the punch 7 having such a configuration is used to implement the present invention, the effect is the same as that of the above embodiment.

In addition, although this invention was applied to the above embodiment (in which the grade 5 has two layers), this invention is also applicable to plates having a structure of 3I@ or more. It is applicable to general play FWC books other than airtight container plates.

As explained above, the K to V invention has a circumference of 8 for the press 8 Elf+.
Using a punch with a BVCg@recess formed, dent the inner 11t of the outer periphery of the end face of the caulking shaft with the marked protrusion, caulk the caulking shaft S, and attach the stud v1i15i to the grate! ! Is it gray around the caulking axis sv caulking details?
Since it can be placed over the plate and caulked, the stud is firmly attached to the plate and is air (liquid) tight! You can add one.

[Brief explanation of the drawing]

Figure 1 shows an example of a stud of a self-container fixed to the plate of an airtight container. Figure 2 is an explanatory diagram showing a punch, stud, and plate used in an example of the conventional method of fixing studs to the plate, and Figure 3#A is a cross-section showing the stud fixed to the plate using the punch shown in Figure 142. Figure 4 is a cross-sectional photograph of the main part of the stud actually fixed to the plate using the punch shown in Figure 2, and Figure 5 is an example of the punch, stud, and plate used to carry out this invention. An explanatory diagram showing, 1
Figure 1N6 is a section 11r diagram showing the stud fixed to the grate using the punch shown in Figure 5, and Figure IN7 is a cross-sectional photograph of the main part of the stud that was actually fixed to the plate using the punch shown in Figure 6. The picture I drew, lli! FIG. 8 is a sectional view showing another example of a punch used in carrying out the present invention. 1... Caulking detail (knurling part), 1a...l1
IllI facing outer periphery, 2... glume, 3... screw shaft, 5...
..., 2L/-t, 5J1...hole, 7...punch,
71...Stretching surface, ]0...Stud, 11...Protrusion. Person: Tokico Co., Ltd. agent Patent attorney
1.

Claims (1)

[Scope of Claims] 1. A head having a diameter larger than that of the caulking shaft is formed in one part of the caulking part, and a screw shaft with a diameter smaller than that of the caulking shaft is provided in the center part K of the other side of the caulking shaft. In the method of fixing the stud to the plate, insert the stud into the hole of the plate, and fix the stud V to the distribution plate by caulking with a cylindrical punch outside the end surface of the threaded shaft of the caulking shaft. Using a cylindrical punch with a protrusion formed on the circumference, dent the circle 1111v of the out-of-plane mesh of the caulking shaft part using a cylindrical punch and caulk the caulking shaft part to fix the stud to the plate.V Features: How to fix studs to plates. 2. A method for fixing a stud to a plate according to item 1 of %ffSeikyo IJ@Enclosed, characterized in that a plurality of plates are stacked one on top of the other. 3.Claim i, characterized in that the caulking shaft portion is formed by having notches formed on its outer periphery and knurled portions.
A method for fixing a stud to a plate according to item 111111.