JPH0123708Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) This invention relates to a device for mechanically inserting a flexible packing such as an oil seal or an O-ring into an insertion groove of a workpiece.

(Problems to be solved by conventional techniques and inventions) As a conventional technique, for example, as in Japanese Patent Application Laid-open No. 47-40566, the flexibility of an O-ring is utilized to intentionally deform and insert the ring using a gripping mechanism. There was one in which the O-ring was removed by squeezing near a predetermined position and then attached to a predetermined O-ring groove.

However, this method had the drawback of lacking reliability.

Structure of the invention (means for solving the problem) The present invention has been made in view of this problem, and includes a packing supply passage 4 having a packing holding part 9 for storing the packing in an upright state, and a packing in the passage 4. A packing holding member 5 is provided so as to be movable in the clamping direction within the passage 4 so as to sandwich the packing 38, and a packing holding member 5 is disposed corresponding to the packing holding part 9 in the passage 4 and is positioned in the direction in which the packing stands upright. A packing insertion opening 16a formed at one end of the insertion opening 16a, and an insertion opening 16a formed at the opposite end of the insertion opening 16a.
It is provided in a position offset from the packing insertion slot 1.
The packing 38 inserted from 6a is attached to the workpiece 35,
A packing outlet 1 for changing the insertion direction of the packing 38 so as to follow the packing insertion groove 37 of 36.
6b at both ends, the packing guide members 11 and 12 have guide passages 16 formed therein, and
Packing insertion groove 3 of works 35 and 36 for 6b
7 to the corresponding gasket locking members 28, 29.
and the packing holding part 9 and the packing holding member 5.
a packing pushing member 32 which is provided so as to be movable relative to the packing holding part 9 of the supply passage 4 so as to reach the packing guide passage 16 in order to transfer the packing 38 clamped by the packing to the delivery port 16a;
It is equipped with the following.

(Function) When installing the packing 38 into the packing insertion groove 37 of the work 35, first
5 is set in this device, and the workpiece 3 is placed between the outlet 16b of the guide passage 16 and the packing locking member 28.
While interposing the packing insertion groove 37 of No. 5,
Put the packing 38 into the packing supply passage 4.

Thereafter, the gasket 38 in the passage 4 is held by the gasket holding member 5.

Next, the packing pushing member 32 enters the packing holding part 9 in the passage 4 and pushes the packing 38 into the guide passage 16 through its inlet 16a,
One end of the gasket 38 is brought into contact with the gasket locking member 28.

Furthermore, the packing extrusion member 32 is inserted into the guide passage 1.
6, the packing 38 moves into the guide passage 16.
is guided by the guide passage 16 and lies down.
6b and is fitted into the packing insertion groove 37 of the workpiece 35.

(Example) An example of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, a pair of left and right blocks 3 are fixed to a support frame 2 fixed on a base 1.
A packing supply passage 4 having a rectangular cross section extending in the front-rear direction is formed inside the block 3, and a supply port 4a is located near the center of the upper surface of the block 3 in the front-rear direction.
is formed so as to communicate with the passage 4.

A gasket retaining plate 5 having a rectangular cross section matching the passage 4 is fitted so as to be movable in the front-rear direction, and its front end upper edge 5a projects slightly forward. The supply port 4 is located on the top surface of the block 3.
An opening groove 6 is formed to extend in the front-rear direction at the rear of a, and a mark rod 7 fixed to the rear end of the upper surface of the packing retaining plate 5 is exposed upward through the opening groove 6. A gasket holding air cylinder 8 is fixed to the rear surface of the block 3, and its piston rod 8a is connected to the rear surface of the gasket holding plate 5. When the air cylinder 8 is driven and its piston rod 8a moves forward or backward, the seal retaining plate 5 also moves in the longitudinal direction within the seal supply passage 4. Along with this movement, the mark bar 7 also moves in the front and back direction within the opening groove 6 to indicate the position of the seal retaining plate 5. A packing holding portion 9 is formed on the front end side of the packing supply passage 4 between the front end inner surface 9a and the packing holding plate 5 in the forward position.

Guide members 11 and 12 are detachably attached to the lower surfaces of both blocks 3 in correspondence with the packing holding portions 9. As shown in FIGS. 3 to 5, one guide member 11 includes a circular flange portion 13 and a lower circular portion 1 integrally formed on the same axis on the lower surface of the circular flange portion 13.
4, and an upper circular part 15 integrally formed eccentrically with respect to the upper surface of the flange part 13, and an inlet 16a formed at the center of the upper surface of the upper circular part 15 and an upper circular part 16a formed at the center of the lower surface of the lower circular part 14. A guide passage 16 is provided so as to interlock with the formed outlet port 16b. This inlet port 16a communicates with the packing holding portion 9 of the packing supply passage 4. Regarding the details of this guide passage 16, the inlet port 16a and the outlet port 16b are both substantially equilaterally triangular, but the outlet port 16a is smaller than the inlet port 16a.
6b is large, and when the guide member 11 is viewed from above as shown in FIG.
7 and 18 face each other, their centers are shifted, and they intersect with each other near the tops 17 and 18. The opposite side 19 facing the top 17 of the inlet 16a smoothly continues to the top 18 of the outlet 16b, and the top 17 smoothly continues to the opposite side 20 opposite the top 18. Top 18
The width becomes narrower as it goes from the top 17 to the opposite side 20, and especially the lower half 2 of the part continuous from the top 17 to the opposite side 20.
1 is wide and has a large slope. Note that in the other guide member 12, the lower circular portion 14 of the one guide member 11 is connected to the flange portion 13 of the one guide member 11.
A guide passage 16 similar to the guide passage 16 described above is formed, except that it has the same diameter as the guide passage 16 described above.

A workpiece mounting member 22 is embedded on the base 1 below the guide members 11 and 12, and a recess 23 is formed in the center of the upper surface thereof. An air cylinder 25 for locking the gasket is installed below the workpiece mounting member 22 on the support plate 24 suspended inside the base 1, and an upwardly directed piston rod 25a is inserted into the recess of the workpiece mounting member 22. It protrudes within 23. A cylindrical mounting portion 26 is removably screwed onto the protruding portion, and a flange portion 27 is formed at the lower end of the cylindrical mounting portion 26 . This mounting part 2
6, a gasket locking member 28 is removably screwed onto the guide member 11, and a gasket locking member 29 is removably screwed onto the guide member 12. Then, the air cylinder 25 is driven and the piston rod 25a is
When the gasket locking member 28,
29, the mounting portion 26 and the flange portion 27 are also moved in the vertical direction to approach and separate from the outlet 16b of the packing guide passage 16.

A support frame 30 fixed on the base 1 is provided with an air cylinder 31 for pushing out the packing above the block 3. A packing extrusion rod 3 is attached to the downwardly directed piston rod 31a.
2 are connected and correspond to a through hole 33 formed on the upper surface of the block 3 so as to communicate with the packing holding part 9. Then, the air cylinder 3
1 is driven and its piston rod 31a rises or descends, the packing pushing rod 32 advances and retreats in the vertical direction, and when descending, it reaches the packing guide passage 16 from the through hole 33 through the packing holding part 9. A slanted extrusion surface 32a is formed at the lower end of the rod 32, so that when the rod 32 descends and reaches the packing guide passage 16, it faces the top 18 of the outlet 16b.

Next, the operation of this device configured as described above will be described.

First, the guide members 11, 12 and the mounting portion 2 are adjusted according to the shape of the works 35, 36 shown in FIGS. 6 and 7 and the diameter of the packing insertion groove 37 formed in the inner hole thereof.
6, packing locking members 28, 29, packing 38
decide.

In one of the workpieces 35 placed on the workpiece mounting member 22, the piston rod 25a of the gasket locking air cylinder 25 rises,
The mounting portion 26 and the packing locking member 28 are inserted into the inner hole of the workpiece 35, and the flange portion 27 is inserted into the inner hole of the workpiece 35.
The lower circular part 14 of the guide member 11 is inserted into the inner hole of the workpiece 35 from above, and the flange part 27 and the guide member 1
It is held between the flange portion 13 of No. 1 and the flange portion 13 of No. 1. In this clamped state, the outlet 16b of the guide passage 16 corresponds to the upper end of the packing insertion groove 37 of the workpiece 35, and the packing locking member 28 corresponds to the lower end of the insertion groove 37, and the outlet 16b and the packing are engaged. An insertion groove 37 is interposed between the stop member 28 and the stop member 28 . Similarly, the other workpiece 36 placed on the workpiece mounting member 22 has the same positional relationship as the case described above, except that it is held between the flange portion 27 and the lower surface of the guide member 12. It is.

Both works 35, 3 set in this way
The packing insertion action for 6 is performed by both works 35, 3.
Since both workpieces 35 and 6 are similar, only the workpiece 35 will be described in detail below.

With the setting of the work 35 mentioned above, the 6th and 7th
As shown in the drawings and FIG. 4, the packing 38 is introduced into the packing supply passage 4 through the supply port 4a.

Thereafter, as shown in FIGS. 8 and 9, as the piston rod 8a of the air cylinder 8 for holding the seal moves forward, the seal retaining plate 5 also moves forward, and the seal holding plate 5 moves forward at the front end inner surface 9a of the seal holding part 9.
The packing 38 is held between the two and deformed into a vertical, substantially elliptical shape.

Next, as shown in FIG. 10, when the piston rod 31a of the air cylinder 31 for pushing out the packing is lowered, the packing pushing out rod 32 is also lowered, and the rod 32 enters the packing holding part 9 and guides the packing 38 by its extrusion surface 32a. Part 1
1 through the inlet port 16a of the guide passage 16, and the lower end of the gasket 38 is brought into contact with the gasket locking member 28. At this time, both sides of the packing 38 are held between both inner surfaces of the guide passage 16.

Further, as shown in FIG. 11, when the packing extrusion rod 32 enters the guide passage 16, the upper end of the packing 38 is pushed in along the oblique extrusion surface 32a of the packing pushing out rod 32, and at this time, the packing 38 is pushed downward The half part moves while expanding toward the opposite side 20 side of the outlet 16b, which gradually becomes wider, and is lowered along the lower half part 21 of the guide passage 16, which is wide and largely inclined, and the workpiece 35 is inserted into the packing. It is fitted into the groove 37.

Then, as shown in FIGS. 12 and 13, the packing extrusion rod 32 is inserted into the outlet 16b of the guide passage 16.
When the seal 38 is advanced to this point, the upper half of the seal 38 also expands and falls down greatly, and is fitted into the seal insertion groove 37 of the workpiece 35, and the entire seal 38 is completely fitted into the insertion groove 37.

After the packing is attached, the packing holding plate 5, packing locking member 28, and packing pushing rod 32 return to the states shown in FIGS. 1 and 2, and the workpiece 35 is removed. Then move on to the next process.

Effects of the Invention As detailed above, in the present invention, the packing insertion position is determined by the packing locking members 28 and 29, so that the packing 38 can be reliably inserted into the insertion grooves 37 of the works 35 and 36.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view showing the present device according to an embodiment of the present invention, Fig. 2 is a partially cutaway front view, Fig. 3 is a front view showing the guide member, and Fig. 4 is a guide passage. FIG. 5 is a bottom view of the guide member, and FIGS. 6 and 7 are a workpiece set state. 8 is a partial sectional view showing the state in which the packing is being held by the packing holding member, and FIG. 9 is a partial sectional view showing the state in which the packing is being held by the packing holding member. FIG. 10 and 11 are plan views of the guide member, and FIGS. 10 and 11 are partial sectional views showing the state in which the packing is being pushed into the packing insertion groove of the workpiece through the guide passage by the packing extrusion rod. FIG. 12 is a partial sectional view showing the packing being installed. , FIG. 13 is a plan view of the guide member showing its positional relationship with the guide passage in the same state as in the case described above. Packing supply passageway...4, Packing holding member...
...5, Air cylinder for holding the seal...8, Seal clamping part...9, Guide passage...16, Inlet port...16a, Outlet port...16b, Air cylinder for locking the seal...25, Locking the seal Parts...2
8, 29, Air cylinder for extruding packing...3
1, Packing extrusion rod...32, Work...3
5, 36, Packing insert groove...37, Packing...
…38.

Claims (1)

[Claims for Utility Model Registration] 1. A packing supply passage 4 having a packing holding part 9 for storing the packing 38 in an upright state, and a packing direction with respect to the inside of the passage 4 so as to sandwich the packing 38 in the passage 4. a packing holding member 5 movably disposed in the passage 4, and a packing insertion opening 16a formed at one end of the packing in the direction in which the packing is upright, and arranged corresponding to the packing holding part 9 in the passage 4.
and is provided at a position offset from the insertion port 16a at the end opposite to the insertion port 16a,
The packing 38 inserted from the packing insertion opening 16a is inserted into the packing insertion groove 37 of the workpieces 35 and 36.
Packing guide members 11 and 12 each have a guide passage 16 provided at both ends with a packing outlet 16b for changing the insertion direction of the packing 38 so that the direction of insertion of the packing 38 is changed along the 37 to the corresponding gasket locking members 28 and 29, and the gasket holding portion 9 and the gasket holding member 5.
The packing holding portion 9 of the supply passage 4 is used to transfer the packing 38 held thereinto the delivery port 16a.
A packing inserting device into a workpiece, comprising: a packing pushing member 32 which is provided so as to be movable forward and backward relative to the packing guide passage 16 so as to reach the packing guide passage 16. 2. The device for inserting a packing into a workpiece according to claim 1, wherein the packing locking members 28 and 29 are movably provided so as to move toward and away from the outlet 16b of the packing guide passage 16.