JPH05154789A - Rose cutting device - Google Patents

Abstract

PURPOSE:To improve the precision of the cut length when a hose is cut at the preset length. CONSTITUTION:One end side of a lengthy hose is fed by a feeding means, and its shift is guided by a guiding means 18. The guiding means 18 and a support base section 46 are movably provided between the operation position and retreat position, they surround the lower and side portions of a hose 10a to form a guide space 52 at the operation position when the hose 10a is advanced, a pair of side wall sections 48 releasing the guide at the retreat position to expose the held section of the hose 10a are included, thus the hose 10a is smoothly fed. The hose 10a is exposed when it is fed by a fixed quantity, and the hose 10a is held by a chuck and cut by a cutter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hose cutting device for cutting a hose into a constant length.

[0002]

BACKGROUND OF THE INVENTION In the process of manufacturing a hose, a hose is once formed into a long shape and is wound into a coil,
Then, the elongated body is cut one after another at a constant length to obtain a final length.

Conventionally, as a cutting device, the end of a long hose is gripped by a chuck, the end of the hose is pulled by the chuck, and the hose end is fed out by a delivery means. A device that cuts a part with a cutter is used.

However, when the hose is cut in this way, it is difficult to exactly match the pulling speed by the chuck and the sending speed by the sending means, and the pulling force acts on the hose to a greater or lesser extent to cause the hose to stretch. Occurs.

Therefore, there is a problem that the hose is cut by the cutter in a stretched state, which causes an error in the cut length of the hose.

[0006]

The device of the present invention has been devised to solve such a problem, and the gist thereof is (A) hose feeding means and (B) (a). A support base portion that supports the lower surface of the hose that has been sent out, and (b) is movably provided between an operating position and a retracted position. A pair of side wall parts that surround the hose to form a guide space at the time of advancing the hose and release the guide at the retracted position to expose the held part of the hose; and (c) a drive device that drives the side wall part. Guide means provided, (C) feed control means for detecting the front end of the hose to detect that the hose has been fed for a set length and stopping the feeding of the hose, and (D) holding the fed hose Holding means and (E) set amount Lies in including a cutter for cutting Ri out the hose at a certain position.

[0007]

As described above, according to the apparatus of the present invention, the hose is sent by the sending means, and when the hose moves forward, the support base portion and the pair of side wall portions of the guiding means constitute a guiding space, and the hose movement guide is provided. I do.

As a result, the hose can be smoothly moved forward in the desired direction.

When the hose is fed by a predetermined amount, the feeding control means stops the feeding of the hose, and the side wall portion of the guiding means is lowered to the retracted position to open the held portion of the hose.

Then, the held portion is held by the holding means, and a certain portion is cut by the cutter.

According to the device of the present invention, for example, when one end of a long hose wound in a coil is taken out, the hose can be smoothly moved by the guiding action of the guiding means without applying a tensile force to the hose. Can be taken out, and when cutting, the pair of side wall portions of the guide means can be retracted to the retracted position, and the cutting can be performed by the cutter while holding the side wall portions by the holding means. Therefore, the hose can be accurately cut into a desired length.

[0012]

Embodiments of the present invention will now be described in detail with reference to the drawings. In FIG. 11, 10 is a metal fitting-equipped hose having metal fittings 12 attached to both ends.

FIG. 1 shows a schematic overall structure of an apparatus for mounting metal fittings 12 on both ends of a hose 10. 1 in the figure
0a is a long hose wound in a coil shape.

One end of the long hose 10a is sent forward by the sending device 16, and the guide device 18 guides the movement of the long hose 10a when the long hose 10a is sent.

When the hose 10a is fed by a certain amount, the pair of chucks 22 and 23 of the bending and deforming device 20 grip the hose 10a at two places, and in that state, the cutter 24
Cuts the hose 10a into a certain length.

The cut hose 10 is delivered to the conveyor device 26 by the delivery device 25.

Conveyor device 26 receiving hose 10
Holds both ends of the hose 10 by the chucks 28 provided at regular intervals and conveys the hose 10.

A marking device 30, a metal fitting insertion device 32, and a caulking device 3 are provided on the conveying path of the conveyor device 26.
4 are arranged, and the marking process, the metal fitting insertion process, and the caulking process are performed on the hose 10 being conveyed, and the metal fitting 12 is fixed to each end of the hose 10.

The hose 10 which has been fitted with metal fittings is taken out to the outside by a take-out device 36 having a chuck 38.

The cutter 24 has a cutting blade 40 and a motor 42 as shown in FIGS.
All of them are moved forward and backward by the cylinder 44 in the vertical direction in FIG.

The guide device 18 has a support base 46 and a pair of side plates 48, as shown in FIG. An inwardly projecting portion 50 is formed at the upper ends of the side plates 48, and a substantially cylindrical guide space for guiding the hose 10 a is formed by the upper surface of the support base 46 and the upper inner surfaces of the pair of side plates 48. 52 is formed.

The ends of the expansion spring 54 are brought into contact with the inner surfaces of the side plates 48, while the cylinders 56 are provided on the outer surfaces thereof.
The tips of the rods are brought into contact with each other, the pair of side plates 48 are brought closer to each other by the cylinder 56 under the guide of the guide rod 58, and the elastic force of the expansion spring 54 is released in the state where the pressing force by the cylinder 56 is released. It is designed to be moved apart from each other by the force of generation. The tubular guide space 52 is formed with the side plate 48 approaching.

The support base 46, the side plate 48, the guide rod 58, and the cylinder 56 are held by a frame 60 having a U-shaped cross section, and the frame 60 can be moved up and down by a cylinder 62.

In the guide device 18, when the hose 10a is delivered by the delivery device 16, the frame 60 is in the raised position and the side plate 48 is in the approaching position, and the side plate 48 and the support base portion 46 form a cylinder. -Shaped guide space 52 is formed, and the hose 10a that is fed out is supported by the upper surface of the support base portion 46 while performing forward guidance.

When the chuck for the hose 10a becomes necessary, the side plate 48 is opened and the frame 60 is opened.
Descends to release the enclosure for the hose 10a. That is, the hose 10a is exposed on the support base 46.

When moving up and down with the side plate 48 open,
The guide is performed by the guide roller 64 shown in FIGS. 7 and 8.

As shown in FIG. 7, in the vicinity of the front ends of the support base 46 and the side plate 48, a stopper device 66 for stopping the feeding of the hose 10a when a certain amount is fed.
Are arranged.

As shown in FIGS. 7 and 8, the stopper device 66 has a contact portion 70 for abutting the pin 68 inserted inside the end portion of the hose 10a and the front end of the hose 10a.
It has a moving member 72 which holds these and moves them forward and backward, a cylinder 74 which drives the moving member 72 to move forward and backward, and a guide rod 76 which guides the movement at that time.

The moving member 72 also has a first sensor 78.
And a second sensor 80 is provided. Of these, the first sensor 78 detects the arrival of the front end of the hose 10a and reduces the feed speed of the delivery device 16.
Is to completely stop the feeding of the feeding device 16 by detecting the front end of the hose 10a.

In this stopper device 66, after stopping the feeding of the hose 10a, the moving member 72 is moved backward by the cylinder 74 in the left direction in FIG.
a Remove from inside.

As shown in FIGS. 2 and 3, the bending / deforming device 20 includes a first chuck 2 which is horizontally fixed in position.
2 and a second chuck 23 which is held by a slider 84 and whose position is variable in the horizontal direction.

As shown in FIG. 4, the chucks 22 and 23 can be moved up and down together with the lifting body 88 by the lifting cylinder 90.

The chucks 22, 23, the lifting body 88, and the lifting cylinder 90 are held by a holding plate 92.

A guide member 94 is fixed to the holding plate 92, and the guide member 94 and the guide rail 96 on the side of the lifting body 88 fitted to the holding member 92 guide the lifting body 88 up and down. It has become.

A rotary drive cylinder 104 provided on a fixing member is connected to the holding plate 92 on the first chuck 22 side (see FIGS. 3 and 4), and the holding plate 92 on the second chuck 23 side is connected to the holding plate 92. The rotary drive cylinders 104 provided on the sliders 84 are connected to each other.

These cylinders 104 have a holding plate 9
It is for rotating 2 around the axis 97 by 90 degrees.

The slider 84 holding the holding plate 92 on the second chuck 23 side is screwed to the screw shaft 98, and is guided by the guide rail 102 as the screw shaft 98 is rotated by the motor 100 shown in FIG. It can be moved back and forth in the left and right directions in FIGS. 2 and 3 below.

As shown in FIG. 9, the delivery device 25 has a slider 106 that moves in the horizontal direction, a cylinder 108 that drives the slider 106, and a guide rod 110 for guiding the movement.

The slider 106 suspends a pair of chucks 112, and these chucks 112 can be moved up and down by a cylinder 114 provided on the slider 106.

On the other hand, the conveyor device 26 has a conveyor chain 116 as shown in FIG. The conveyor chain 116 is provided with a large number of chucks 28 at regular intervals, and these chucks 28 can be moved together with the chain 116.

Next, the operation of this device will be described. As shown in FIG. 1, the long hose 10a is delivered from one end side at a predetermined speed by a delivery device 16 in a state of being wound in a coil shape.

At this time, the guide device 18 guides the hose without applying a tensile force to the end of the hose.
The hose 10a is delivered smoothly.

When the front end of the advancing hose 10a reaches a certain position, the first sensor 78 in the stopper device 66 detects this and the feed speed of the delivery device 16 is reduced, and then the second sensor 80 moves the front end of the hose 10a. When detected, the feeding movement of the delivery device 16 stops.

At this time, the contact member 70 of the stopper device 66 comes into contact with the end surface of the hose, and the pin 68 is fitted inside. Then, the contact member 70 and the pin 68 are retracted by the cylinder 74, and the hose is moved. Separate from the end.

At the same time, the pair of side plates 48 of the guide device 18 move away from each other and move downward as shown in FIG. 6 (B) to expose the hose 10a on the support base 46.

Then, the pair of chucks 22 and 23 of the bending and deforming device 20 descend to move the hose 10a apart by a predetermined distance.
Hold this at a point, then the cutting blade 40 of the cutter 24
Moves forward and cuts the hose 10a at a certain length.

Subsequently, the movable second chuck 23 of the bending and deforming device 20 moves in the horizontal direction by the movement of the slider 84, and moves closer to the first chuck 22.

At this time, at the same time, the cylinder 104 shown in FIG.
Operates to change the gripping direction with respect to the end of the hose 10 by 90 degrees. That is, the directions of the chucks 22 and 23 are changed so that the axes of the ends of the hose 10 are parallel to each other.

As a result, the hose 10 is bent and deformed into a U-shape, and each end portion approaches in the same direction up to a certain distance.

Thereafter, the delivery device 25 is replaced by the bending deformation device 20.
Hose 10 held by chucks 22 and 23 of
The end is received and horizontally moved, and the conveyor device 26
To the two chucks 28 next to each other.

The conveyor device 26, which has received the hose 10 in a U-shaped bending deformation state, conveys the hose 10 along a predetermined conveying path, and by the marking device 30, the metal fitting inserting device 32, and the caulking device 34 on the conveying path. Marking processing, metal fitting insertion processing, and caulking processing are performed.

At the end of the conveyor device 26, the take-out device 36 receives the hose 10 fitted with the metal fitting 12 from the conveyor device 26 and discharges it to the outside or delivers it to the subsequent process.

The embodiment of the present invention has been described in detail above, but this is merely an example, and the present invention can be configured in a form in which various modifications are made based on the knowledge of those skilled in the art without departing from the spirit of the invention. is there.

[Brief description of drawings]

FIG. 1 is a configuration diagram including a hose cutting device according to an embodiment of the present invention.

FIG. 2 is a front view showing a cutter, a guide device, and a bending deformation device in FIG.

FIG. 3 is a plan view showing a cutter, a guide device, and a bending deformation device in FIG.

FIG. 4 is a side view (partially sectional view) of a main part of the same bending deformation apparatus.

FIG. 5 is a plan view of an essential part of the same bending deformation apparatus.

FIG. 6 is an explanatory diagram of a main part configuration of the guide device in FIGS. 1, 2 and 3.

7 is a front view of a main part of a stopper device in the metal fitting mounting device of FIG. 1. FIG.

FIG. 8 is a side view of a main part of the same stopper device.

9 is a front view of a delivery device in the fitting mounting device of FIG. 1. FIG.

10 is a front view of a main part of a conveyor device in the metal fitting mounting device of FIG. 1. FIG.

FIG. 11 is a diagram showing an example of a hose with a metal fitting to which the present invention is applied.

[Explanation of symbols]

 10a Hose 16 Delivery device 18 Guide device 24 Cutter-46 Support stand part 22,23 Chuck 48 Side plate 52 Guide space 54 Expansion spring 56,62 Cylinder 66 Stopper device 78,80 Sensor

Claims (1)

[Claims] 1. An (A) hose feeding means, (B) (a) a support base portion for supporting the lower surface of the fed out hose, and (b) a movably provided between an operating position and a retracted position. In the operating position, the lower surface and the side surface of the hose are surrounded together with the support base to form a guide space for forward movement of the hose, and the guide is released in the retracted position to expose the held portion of the hose. (C) Guide means having a pair of side walls, and (C) a drive device for driving the side walls, and (C) detection of the front end of the hose by detecting that the hose has been delivered for a set length, and A hose cutting device comprising: a feed control means for stopping the feed; (D) a holding means for holding the fed hose; and (E) a cutter for cutting the fed hose at a fixed position.