JPS5820736B2 - Hose fitting automatic mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for attaching hose fittings to both ends of a hose. In particular, the hose fittings consist of a pipe bent in the middle and fittings attached to both ends of the pipe. This invention relates to a device for attaching both pipes at a specified angle when viewed from the same direction.

Conventionally, the assembly process for attaching this type of hose fitting to a hose is as follows:
First, one hose fitting is inserted into one end of the hose, then the other hose fitting is inserted into the other end of the hose, and then the installation angles of both fittings are aligned with each other. All of this is done manually using tools. It was being done.

The present invention automates the process of attaching the hose fittings to the hose, and provides a device that automatically completes the insertion of the fittings by setting the hose and hose fittings in each holder of the device and turning on the start switch. This is what we are trying to provide.

Embodiments of the present invention will be described with reference to the accompanying drawings.

The hose and hose fitting assembled with the device of the present invention are
As shown in the figure.

The hose fitting 1 consists of a pipe 1a bent in the middle and fittings 1b and 10 attached to both ends of the pipe 1a.
Similarly, the hose fitting 1' also has a bent pipe 1'a.
Next, the metal fittings 1'b and 1'c are inserted into both ends of the hose 2 as shown in Fig. 2, and the pipes 1a and 1'a are connected to each other. As shown in FIG. 3, they must be assembled so that the mounting angle between them as seen from the axial direction of the hose is a predetermined angle.

The outer diameters of the metal fittings 1b and 1'b inserted into the hose ends are caulked by an appropriate amount, as shown in FIG. 4, to prevent the metal fittings from coming off the hose when internal pressure is applied to the hose.

The device of the present invention is a device that automatically attaches the above-mentioned hose and hose fitting, and as shown in FIG.
It includes two metal fitting insertion members 3, 4, two metal fitting holders 26, 26' attached to the tips of slide rods 21, 21' included therein, and a member for controlling these various members.

The chuck members 5 and 6 are fitted onto slide rods 24 and 24' mounted on the frame 7, and are fixed at arbitrary positions.

The chuck member 5 consists of a movable claw 9, a fixed claw 10, an air cylinder 8, a claw mounting base 11, an adjustment bolt 12, a body 13, and a reinforcing rod 14, as shown in FIGS. 6 to 8.

The position of the fixing claw 10 is set according to the outer diameter of the hose to be assembled.

Therefore, the fixed claw 10 can be moved from side to side as seen in FIG. 8 with the adjustment bolt 12 with respect to the claw mounting base 11, and when the hose 2 is placed in the state shown in FIG. Set in a position so that the center axis of the metal fitting holder matches.

The movable claw 9 is moved left and right in FIG.
．． 14 and moves along it.

The reinforcing rod 14 is useful for alleviating the force exerted on the movable claw 9 and applied to the end of the air cylinder 8 when inserting the metal fitting.

The fixing bolt 36 connects the body 13 to the slide rods 24, 2.
Used to fix at 4'.

The structure of the other chuck member 6 is the same as the structure of the chuck member 5 described above.

As mainly shown in FIG. 9, the metal fitting insertion device 3 includes an air cylinder 16 for insertion, an air cylinder 22 for evacuation, and a slide rod 24,
A slide block 23 that moves forward and backward along 24' and a block 1 that supports the air cylinder 16 fixed thereto.
7, and the block 17 is provided with a hole through which a slide rod 21, which is moved forward and backward in the hose axis direction by an air cylinder 16, is passed through, and a protractor 18 that faces a pointer 19 of a metal fitting holder 26, which will be described later.

The flange 25 is fixed to the frame 7 and the air cylinder 2
2 and supports the slide slots 24 and 24'.

The evacuation air cylinder 22 is provided to evacuate the metal fitting holder 26 further behind the starting position in order to take out the assembled hose 2 after the hose fittings 1 and 1' have been inserted into the hose 2. The slide block 23 is moved back and forth along the slide rods 24, 24'.

The metal fitting holder 26 is screwed into the threaded hole of the slide rod 21 of the air cylinder 16 with a screw provided at its base.
It is fixed with a nut 20.

The front side of the fitting holder 26 has a hollow cylindrical shape, and a slit 27 is cut in the axial direction from the tip, and as shown in FIG.
The bent portion of a is formed so as to protrude from the cutout 27 and maintain its position.

A pointer 19 is attached on the line along which the cut 27 extends, so that the scale of the protractor 18 attached to the block 17 can be indicated.

The metal fitting insertion member 4 on the other side has a slightly different structure from the metal fitting insertion member 3 described above.

That is, as shown in FIG. 10, the flange 25' of the frame 7
The slide block 34 is fitted and supported by the slide rods 24, 24' supported by the slide block 34 and can be moved along the slide rods 24, 24'.
A nut 33 attached thereto is screwed into a threaded rod 32 at the center, and when the threaded rod 32 is rotated by a bundle 31 at the rear end, it moves back and forth.

This movement of the slide block 34 back and forth by the bundle 31 is performed in order to adjust the distance between the two metal fitting holders 26 and 26' in accordance with the length of the hose.

A flange 17' is fixed on the slide flange 34, and this block 17' has a hole through which a slide rod 21' that supports an air cylinder 16' and is moved forward and backward in the hose axis direction by the air cylinder 16' passes through. It is also equipped with a protractor 18'.

This metal fitting insertion member 4 is not provided with the evacuation air cylinder 22 in the case of the metal fitting insertion member 3, but instead has an auxiliary cylinder 30.
(Fig. 11) is provided.

The auxiliary cylinder 30 is attached to a support frame 28 branching from the support rod of the air cylinder 16', and has a slide rod 29, with the tip of the slide rod 29 connected to the air cylinder 16'.
The metal fitting holder 26' is placed so that it can be pressed against an arm 35 fixed to the slide rod 21' of the slide rod 21', and the metal fitting holder 26' is brought to the starting position when the slide rod 29 is in the forward position.

The structure of the metal fitting holder 26/ which is screwed onto the tip of the slide rod 21' is the same as the metal fitting holder 26 on the other side described above.

Although the members for controlling the various members described above use air in this embodiment, they are not limited thereto as long as they control the operating state of the present device as described below.

To attach a hose fitting to a hose using this device, follow the steps below.

The chuck members 5 and 6 are in the open state as shown in FIG. 8, and the position of the fixing claw 10 is set by the adjustment bolt 12 in accordance with the outer diameter of the hose to be assembled.

The starting positions of the metal fitting insertion members 3 and 4 and the metal fitting holders 26 and 26' are the positions shown in FIG.

One metal fitting insertion member 4 is set at an appropriate position according to the length of the hose by rotating the bundle 31 and moving the slide block 34 back and forth.

Then, insert the hose 2 between the fixed claw 10 and the movable claw 9 of both chuck members 5 and 6 as shown in Figs. 5 and 7, and set the hose fittings 1 and 1' in the fitting holders 26 and 26'. .

The cutout 27 of the metal fitting holder 26 and the cutout 27' of the metal fitting holder 26' are positioned in advance using the pointer 19 and the protractor 18 and the pointer 1g and the protractor 18' so that they have a predetermined mounting angle, It is fixed with nuts 20 and 20'.

FIG. 5 shows a state in which the chuck member is closed, which is the first operation, after the switch is turned on from the above-mentioned starting position.

When the switch is turned on, the chuck members 5 and 6 move from the state shown in FIG. 8 to the state shown in FIG. 7, where the movable claw 9 moves in the closing direction by the throat of the air cylinder 8 and grips the hose 2, and then the fitting insertion member Since air enters the air cylinders 16 and 16' of No. 3 and 4 and moves the slide rods 21 and 21' toward each other, the metal fitting holders 26 and 26'
move in the insertion direction and insert the hose fittings 1 and 1', followed by the fittings 1b and 1'b, into both ends of the hose 2.

At that time, the metal fitting insertion members 3, 4 and the metal fitting holder 26,
The location of 26' is shown in FIG.

During this fitting insertion operation, the slide rod 29 of the auxiliary cylinder 30 is returned to the retracted position by air.

When the insertion of the hose fittings 1 and 1' into the hose 2 is completed,
The slide rods 21 and 21' are retracted by the air cylinders 16 and 16', and in the case of the metal fitting insertion member 3, the evacuation air cylinder 22 works to also retract the slide block 23, so as shown in FIG. The metal fitting holder 26 is retracted to the retracted position as shown.

On the other hand, the slide rod 21' of the metal fitting insertion member 4 is moved back from the starting position, and the metal fitting holder 26' is moved back to the position where its arm 35 touches the head of the slide rod 29 of the auxiliary cylinder 30.
to retreat.

At the same time, the movable claws 9 of the chuck members 5 and 6 are opened.

If the fitting holders 26, 26' are retreated to the above-mentioned retracted position, the assembled hose 2 and hose fittings 1, 1' will be separated from the fitting holders 26, 26', so that they cannot be easily removed manually. can.

After maintaining this retracted position for an appropriate time using a timer and taking out the assembled hose, one of the metal fitting insertion members 3 advances the slide block 23 by operating the air cylinder 22 to return the metal fitting holder 26 to the starting position, and the other metal fitting insertion member 3 The metal fitting insertion member 4 advances the slide rod 29 using the auxiliary cylinder 30 and pushes the arm 35 to release the slide rod 21.
' is advanced to return the metal fitting holder 26' to the starting position (the position shown in FIG. 12), completing one cycle.

As described above, the device of the present invention sets the hose in the chuck member, sets the hose fittings bent in the middle in the fitting holders on both sides, and cuts each fitting holder at a specified angle using the pointer. You can automatically assemble the bent hose fittings on both ends of the hose at the desired angle by setting them in advance, and you can also adjust the length of the hose by adjusting the position of one slide block. It has many advantages, such as being able to easily adjust to the desired angle, reducing man-hours, speeding up assembly time, and producing a product with less variation in fitting angles without requiring a lot of manpower like conventional methods. have

[Brief explanation of drawings]

Fig. 1 is a perspective view of a hose and hose fitting assembled with the device of the present invention, Fig. 2 is a front view showing the state in which the fitting is inserted into the hose, Fig. 3 is a side view, and Fig. 4 is a side view of the fitting. 5 is a perspective view of the entire device of the present invention (partially omitted), FIG. 6 is a top view of the chuck member in the closed state, FIG. 7 is a side view of the same, and FIG. 8 is a front view showing the crimped state. 9 is a perspective view showing one metal fitting insertion member and metal fitting holder, FIG. 10 is a perspective view showing the other metal fitting insertion member and metal fitting holder, and FIG. 11 is a perspective view of the auxiliary cylinder. , 12 to 14 show the operating states of the metal fitting insertion member, showing the starting position, insertion position, and retracted position, respectively. DESCRIPTION OF SYMBOLS 1... Hose metal fitting, 2... Hose, 3, 4... Metal fitting insertion member, 5, 6... Chuck member, 7... Frame, 16, 16'... Air cylinder for insertion, 21
, 21'...Slide Rondo, 22...Evacuation air cylinder, 26, 26'...Metal fitting holder, 27
, 27'...cutting, 30...auxiliary cylinder.

Claims (1)

[Claims] 1. A device for attaching two hose fittings to both ends of a hose, each consisting of a pipe bent in the middle and fittings at both ends, the pair being mounted in the longitudinal direction of a frame. Two chuck members equipped with a fixed claw for positioning the hose and a movable claw by cylinder operation are attached to the slide rod of the frame at intervals so as to grip both ends of the hose, and a cylinder for evacuation is attached to one end of the frame. Attach one metal insertion member consisting of a slide block that is slidable on the slide rod and a block that is fixed to this and supports the insertion cylinder member, and insert the slide land of the insertion cylinder member into the block. At the tip of the slide rod, a metal fitting holder with a pointer and a cut in the axial direction is attached to hold one hose fitting in a predetermined position, and at the other end of the frame, a metal fitting holder is attached to the other end of the frame to hold one hose fitting in a predetermined position. Attach the other metal insertion member consisting of an adjustable slide block and a block fixed to this to support the insertion cylinder member, insert the slide rod of the insertion cylinder member into the button, and insert the slide rod at the tip of the slide rod. In order to hold the other hose fitting in the required position, the other fitting holder having a pointer and an axial cut is attached to the side of the insertion cylinder member, and a starting position and a retreat position of the fitting holder are attached to the side of the insertion cylinder member. An automatic hose fitting mounting device characterized by having an auxiliary cylinder member for regulating the pressure.