JPH0930639A - Automatic aligning method and device for hairpin type heat conduction pipe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve automatic alignment and supply of hairpin type heat conduction pipes which has been difficult as long as a conventional parts feeder of vibratory type or the like is used, by accommodating heat conduction pipes in alignment in a magazine rack which is designed for generating alignment. SOLUTION: Hairpin type heat conduction pipes 1, 1... placed in any appropriate vessel are transferred at random into an accommodation vessel 3 by hand operation, which 3 is drawn into the device by a cylinder for movement 10 and set in the specified position. A cutout fork 17 constituting a cutout means 4 is sunk by a rodless cylinder for elevation and sink 21 to the level corresponding to the length of the pipes 1, 1..., advanced by a retreating cylinder 23, and inserted into the U-shaped part of the pipe in the vessel 3. At this time, a low frequency vibration is given to the vessel 3 by a vibration generating means 13 in order to heighten the rate of fork insertion. Then the pipes 1, 1... hitched at the fork 17 are cut out from the vessel 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic aligning method and an aligning device for a hairpin type heat transfer tube used for a cross fin coil heat exchanger.

[0002]

2. Description of the Related Art A hairpin type heat transfer tube 1 used for a cross fin coil heat exchanger is as shown in FIG.
It is usually made of a soft thin-walled copper pipe, and one end side of the pair of tubular portions 1a, 1a is usually constituted by a U pipe portion 1b.

When assembling the hairpin type heat transfer tube having the above-mentioned structure to the cross fin, it is extremely difficult to supply the hairpin type heat transfer tube in an aligned state, and therefore it is the current situation to rely on the manual work of the operator.

[0004] Various vibration parts feeders are disclosed in "Latest Parts Supply Technology Guide (Industrial Technology Service Center Co., Ltd., published on April 17, 1986, first edition)". For example, a bowl-type or linear-type vibrating parts feeder is disclosed in which an object is placed on a vibrating surface and the relative slip or jump phenomenon is used to transfer and supply materials and parts.

[0005]

However, in the case of the vibrating parts feeder as described above, there are restrictions on the shape, size, etc. of the objects to be transferred and supplied. For example, in a hairpin type heat transfer tube in a cross fin coil heat exchanger. Even if it is applicable to a U-shaped connecting pipe that connects the opposite side of the U pipe portion with a short longitudinal dimension, it can transfer and supply a hairpin type heat transfer tube having a long tubular portion as described above. Is not suitable for the following reasons.

That is, since the hairpin type heat transfer tube is made of a soft thin copper tube, it may be damaged or deformed at the time of transfer, and if the long tubular part is entangled, it becomes more complicated due to vibration. May get entangled,
There was a problem that it became difficult to separate them.

The present invention has been made in view of the above points, so that it is possible to automatically align and feed a hairpin type heat transfer tube that was difficult to align and feed with a conventionally known vibrating parts feeder or the like. The purpose is to

[0008]

In the method for automatically arranging the hairpin type heat transfer tubes of the present invention, as means for solving the above-mentioned problems, the U pipe portions 1b, 1b ...
After cutting out the hairpin type heat transfer tubes 1, 1 ... Randomly stored in a posture with the U facing upward from the storage container 3 by the cutting means 4 while supporting the U tube portions 1b, 1b. The hairpin-type heat transfer tubes 1, 1 ... Supported by the cutting means 4 are aligned and transferred to the stock means 5 that stocks the U pipe portions 1b, 1b. The hairpin type heat transfer tubes 1, 1, ... In a stocked state are clamped in a predetermined number each in an aligned state and aligned and transferred to the alignment magazine rack 8 so that the hairpin type heat transfer tubes 1, 1 ,.・ Automatically arranged and supplied.

In the method for automatically arranging the hairpin type heat transfer tubes of the present invention, it is arranged in the storage container 3 that the hairpin type heat transfer tubes 1, 1, ... Are separately stored in the storage container 3 in groups of arbitrary numbers. It is preferable because the hairpin type heat transfer tubes 1, 1 ... Can be cut out even if the number of remaining heat transfer tubes is small.

Further, the vibrating the storage container 3 at a low frequency is such that the hairpin type heat transfer tubes 1, 1, ...
Is preferable in that it can be easily made into a posture in which cutting can be performed and damage to the hairpin type heat transfer tubes 1, 1 ... At the time of cutting can be prevented.

Further, at the time of transferring from the cutting means 4 to the stock means 5, the hairpin type heat transfer tubes 1, 1
It is preferable that .. is in a forward tilted posture at a predetermined angle because the hairpin-type heat transfer tubes 1, 1 ..

Further, the hairpin type heat transfer tubes 1, 1 ... Aligned and transferred to the stock means 5 are transferred to the alignment magazine rack 8 after correcting the deformation by a predetermined number each. This is preferable in that the alignment transfer to the inside of 8 can be performed smoothly.

The hairpin-type heat transfer tubes 1, 1 ... Arranged and transferred to the stock means 5 are transferred to the alignment magazine rack 8 after changing the posture by 90.degree. It is preferable in that it can be easily and surely transferred to and aligned with.

In the apparatus for automatically arranging the hairpin type heat transfer tubes of the present invention, as a means for solving the above-mentioned problems, the hairpin type heat transfer tubes 1, 1 ... Are placed with the U tube portions 1b, 1b. By supporting the storage container 3 that is randomly stored and the U-tube portions 1b, 1b ... of the hairpin-type heat transfer tubes 1, 1 ... Stored in the storage container 3, the hairpin-type heat transfer tubes 1, 1. Cutting means 4 for cutting out from the storage container 3
And a hairpin type heat transfer tube 1, which is supported on the cutting means 4.
.. stocking means 5 for aligning and stocking the U-tube portions 1b, 1b .., and transferring for transferring the hairpin heat transfer tubes 1, 1, ... To the stocking means 5 from the cutting means 4. The mounting means 6 and the hairpin type heat transfer tubes 1, 1, ... In the state of being stocked in the stocking means 5 are clamped in a predetermined number each in an aligned state, and the clamped hairpin type heat transfer tubes 1, 1 ,. The hairpin type heat transfer tubes 1, 1 ... Randomly supplied can be automatically and alignedly supplied by being configured by including the aligning and transferring means 7 that is transferred to the rack 8.

In the apparatus for automatically arranging hairpin type heat transfer tubes of the present invention, partition members 9 and 9 for storing the hairpin type heat transfer tubes 1, 1, ... In the storage container 3 in groups of arbitrary numbers. It is preferable to provide .. because the hairpin type heat transfer tubes 1, 1, ... Left in the storage container 3 can keep the cuttable posture even when the number of the hairpin type heat transfer tubes 1, 1 .. ·, The storage container 3
The storage container 3 is arranged at a predetermined angle with respect to the side wall 3a of the container.
Hairpin type heat transfer tubes 1, 1 ...
It is more preferable in that the probability that the posture of 1b ... Is formed in the direction intersecting the cutting direction of the cutting means 4 can be made high.

Further, the storage container 3 is provided with a vibration generating means 13 for generating a low frequency vibration so that the hairpin type heat transfer tubes 1, 1 ... It is preferable in that it is possible to prevent damage to the hairpin type heat transfer tubes 1, 1 ... While cutting.

Further, the cutting means 4 is a cutting fork 17 to be inserted into the U pipe portions 1b, 1b, ... Of the hairpin type heat transfer tubes 1, 1 ,. And the moving means 18 for moving to the transfer height are preferable in that the hairpin type heat transfer tubes 1, 1, ... Can be easily cut out with a simple structure. In that case, the cutting fork 17 is used. It is preferable to support the moving means 18 via the urging means 24 so that the hairpin type heat transfer tubes 1, 1 ... Can be prevented from being damaged at the time of cutting.

Further, the upper surface of the cutting fork 17 is inclined upward with a predetermined slope toward the tip, or the tip of the cutting fork 17 and the rear end of the stock means 5 are connected to the hairpin heat transfer tube. During the transfer of 1, 1, ..., The hairpin type heat transfer tubes 1, 1 are made to overlap by a predetermined dimension in the transfer direction, or the front end of the cutting fork 17 and the rear end of the stock means 5 are overlapped. It is more preferable to have a drop of a predetermined dimension in the vertical direction during transfer of .., because the hairpin heat transfer tubes 1, 1 ... Can be transferred smoothly in an aligned state.

Further, the transfer means 6 is provided with a forward tilt holding means 34 for holding the hairpin type heat transfer tubes 1, 1 ... In a forward tilted posture of a predetermined angle.
・ It is preferable because it makes the movement smooth when transferring.

Further, the hairpin type heat transfer tubes 1, 1, ... Are provided with correction means 38 for forcibly deforming the hairpin type heat transfer tubes 1, 1 ,.・ It is preferable because it can correct the deformation that may occur during cutting and transfer.

Further, the aligning and transferring means 7 is provided with a posture changing means 43 for changing the posture of the clamped hairpin type heat transfer tubes 1, 1 ... 90 °. It is preferable because mounting can be performed easily and surely.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

Since the hairpin type heat transfer tube automatic alignment method according to the present invention is carried out by using the apparatus shown in FIG. 1 (that is, the automatic alignment apparatus), the automatic alignment apparatus will be described in detail below.

This automatic aligning device is a device for aligning hairpin type heat transfer tubes constituting the cross fin coil heat exchanger in a state in which they can be aligned and supplied during assembly. Here, the hairpin type heat transfer tube 1 to be automatically aligned is made of a soft thin copper tube (for example, inner diameter: 7 mm), and has a pair of tubular portions 1a and 1a (for example, length: 637 to 697 m).
m) one end side of the U pipe portion 1b (for example, radius of curvature: 14m
m), the U-tube portion 1b has a work-hardened portion (for example, a work-hardened portion having a residual stress during bending).
The length of the shaded portion is 30 mm] (see FIG. 10).

As shown in FIG. 1, the automatic aligning device has a machine frame 2 having a substantially rectangular parallelepiped shape, and the hairpin type heat transfer tubes 1, 1 ,.・ U
· Supports the storage container 3 that randomly stores the pipe parts 1b, 1b ··· in an upward posture, and the U pipe parts 1b, 1b · · · of the hairpin type heat transfer pipes 1, 1 ··· stored in the storage container 3. By doing any number of hairpin type heat transfer tubes 1,1 ...
And a hairpin type heat transfer tube 1, 1 ... Supported on the cutting means 4 and stocked with the U-tube portions 1b, 1b. Means 5, a transfer means 6 for transferring the hairpin heat transfer tubes 1, 1 ... From the cutting means 4 to the stock means 5, and a hairpin type heat transfer tube 1 in the stocked state in the stock means 5. Hairpin type heat transfer tubes 1,1 ...
And an aligning and transferring means 7 for transferring and transferring the to the magazine rack 8 for alignment.

The accommodating container 3 accommodates the hairpin type heat transfer tubes 1, 1 ...
b .. (In other words, the work-hardened part) is formed into a rectangular parallelepiped box that is shallower than the length of each hairpin-type heat transfer tube 1, so that the hairpin-type heat transfer tube 1 of several kinds of length can be formed.
There are several types with different depths to accommodate the.

.. for partitioning and storing the hairpin type heat transfer tubes 1, 1 ... Into the storage container 3 in groups of arbitrary numbers. Is arranged at a predetermined angle (for example, 45 °) with respect to. The partition member 9 divides the inside of the storage container 9 into small parts, so that the hairpin type heat transfer tubes 1, 1, ...
And the U-tube section 1b, 1b ... of the stored hairpin heat transfer tubes 1, 1 ...
Along with the partitioning member 9, and this makes it possible to cut out even if the number of the hairpin type heat transfer tubes 1, 1, ... Left in the storage container 3 decreases. .. can be held, and the probability that the postures of the U pipe portions 1b, 1b, ... Cross the cutting direction P of the cutting means 4 increases. Therefore, the hairpin type heat transfer tubes 1, 1, ... Can be cut out easily and reliably by the cutting means 4. The partition member 9 is a storage container 3
Are in the form of a plate that divides up and down in the vertical direction, and as a result, the hairpin-type heat transfer tubes 1 and 1 housed in adjacent compartments.
・ ・ I'm no longer entangled. The partition member 9
In addition to the plate-shaped one, a linear or rod-shaped one can be adopted.

The storage container 3 is placed on a carriage 12 which is guided by the rails 11 and 11 and is moved in the direction of arrow A or B in accordance with the expansion and contraction operation of the moving cylinder 10. Hairpin type heat transfer tube 1 in 3
When 1 ... disappears or the number of cutouts reaches the limit, the carriage 12 is moved in the direction of the arrow A, and after the hairpin type heat transfer tubes 1, 1 ... By moving in the B direction, it is positioned at a predetermined cutting position.

A vibration generating means 13 for generating a low frequency vibration is attached to the carriage 12. As shown in FIG. 4, the vibration generating means 13 includes a motor 14 as a drive source and an eccentric cam 15 pivotally supported by a rotary shaft 14a of the motor 14.
The vehicle 12 (in other words, the storage container 3) is driven by the low-speed rotation of the eccentric cam 15 accompanying the low-speed rotation of the motor 14, and the low frequency (eg, frequency: 5 Hz, amplitude) in the arrow A or B direction : 10 mm). By doing so, the posture of the hairpin type heat transfer tubes 1, 1, ... In the storage container 3 can be easily made into a posture in which cutting can be performed, and the cutting work can be performed easily and reliably and at the time of cutting. It is possible to prevent the hairpin type heat transfer tubes 1, 1 ... Reference numeral 16 is a roller for promoting vibration of the carriage 12.

Further, the cutting means 4 has a cutting fork 17 to be inserted into the U pipe portions 1b, 1b ... Of the hairpin type heat transfer tubes 1, 1 ... And a cutting fork 17 in a cutting direction. And moving means 18 for moving to the transfer height.

The moving means 18 is, as shown in FIG.
Guide rods 19 and 19 provided upright on one side of the machine frame 2
And a rodless cylinder 21 for raising and lowering the platform 20, which is supported to be movable up and down with respect to
A slider 22 that can move forward and backward in the cutting direction with respect to the lift table 20, and a forward-backward movement cylinder 23 that moves the slider 22 forward and backward.
The cutting fork 17 is movably supported at the tip of the coil via a coil spring 24 as a biasing means. Reference numeral 25 is a guide member protruding from the elevating table 20 in the cutting direction, and supports the slider 22 so as to be movable back and forth. Reference numeral 26 is a bracket vertically extending from the slider 22, and the advancing / retreating cylinder 23 is connected to the bracket 26. Reference numeral 27 is a shock absorber for absorbing a shock in the lower limit of the lift table 20.

With the above-described structure, the cutting fork 17 is moved up and down as the lift table 20 is lifted by the lift rodless cylinder 21, and the slider 22 is moved back and forth by the forward and backward cylinder 23. It is supposed to move back and forth in the cutting direction. At the time of cutting the hairpin type heat transfer tubes 1, 1 ..., When the cutting fork 17 is advanced in the cutting direction P (see FIG. 3),
Even if the cutting fork 17 hits the U pipe portion 1b without being inserted into the U pipe portion 1b, the cutting fork 17 moves backward against the urging force of the coil spring 24.
There is no risk of damaging the tube portion 1b.

The stock means 5 is erected from the bottom surface of the machine frame 2 and the tubular portion 1 of the hairpin type heat transfer tube 1.
The hairpin type heat transfer tubes 1, 1, ... consist of an inverted L-shaped plate member having a plate thickness almost equal to the distance between a and 1a.
Will be stocked in a straddle state. At the rear end of the stock means 5 (that is, the end portion on the cutting means 4 side), a concave groove 28 into which the tip of the cutting fork 17 is inserted and positioned is formed. Also, this stock means 5
The rear end side of the hairpin type heat transfer tubes 1, 1
・ It has a tapered shape to facilitate passage (see Fig. 8). Reference numeral 29 is a stopper provided at the tip of the stock means 5.

Then, the upper surface of the cutting fork 17 is inclined upward with a predetermined gradient α (for example, α = 5 °) toward the tip, and the tip of the cutting fork 17 and the rear of the stock means 5 are arranged. The end portion is overlapped by a predetermined dimension L (for example, L = 20 mm) in the transfer direction during transfer of the hairpin heat transfer tubes 1, 1 ... The rear end portion of the stock means 5 is a predetermined dimension t (for example, t = 10 to 1) in the vertical direction when the hairpin type heat transfer tubes 1, 1 ... Are transferred.
It is supposed to have a head of only 5 mm. By doing so, the transfer of the hairpin type heat transfer tubes 1, 1 ... From the cutting fork 17 to the stock means 5 can be carried out smoothly without getting caught or clogged.

As shown in FIG. 6, the transfer means 6 includes an inverted U-shaped pressing member 30 and an inverted concave support bracket 32 which elastically supports the pressing member 30 via springs 31 and 31. It comprises a moving rodless cylinder 33 for moving the support bracket 32 in the transfer direction D or the return direction E (see FIG. 1). The hairpin heat transfer tubes 1, 1 are provided on the front surface of the pressing member 30.・ ・ Predetermined angle β
A forward lean holding means 34 for holding the forward lean posture (for example, β = 5 to 10 °) is provided (see FIG. 7). Code 35
Is a guide rod that slidably supports the pressing member 30. The moving rodless cylinder 33 is supported by brackets 37, 37 suspended from support plates 36, 36 installed on the top surface of the machine frame 2.

The forward tilt holding means 34 is the pressing member 3
0 is composed of an upper pressing plate 34a and a lower pressing plate 34b which are vertically projected at a predetermined distance from each other, and the upper pressing plate 34a is a U pipe portion 1 of the hairpin type heat transfer tube 1.
b, and the lower pressing plate 34b is the hairpin type heat transfer tube 1
The tubular portions 1a, 1a are to be brought into contact with each other. The difference in the amount of protrusion between the upper pressing plate 34a and the lower pressing plate 34b is set so that the hairpin heat transfer tube 1 can maintain the forward tilted posture of a predetermined angle β in the contact state. With such a configuration, the transfer of the hairpin type heat transfer tubes 1, 1, ... To the stocking means 5 by the transferring means 6 can be carried out extremely smoothly.

Further, the stocking means 5 is provided with a straightening means 38 for forcibly deforming and correcting the hairpin type heat transfer tubes 1, 1 ... Which have been aligned and transferred by a predetermined number (for example, 18). . The straightening means 38 includes a lifting cylinder 39 supported at the lower end of the stock means 5, a pair of clamp plates 40 and 40 that is vertically moved by the lifting cylinder 39, and the clamp plates 40 and 40 relative to each other. It is composed of a clamp cylinder 41 to be moved.
The clamp plates 40, 40 have the same length as the width of the hairpin type heat transfer tubes 1, 1 ... Which are stocked in the stock means 5 in a predetermined number (for example, 18) in an aligned state.

In the straightening means 38, as shown in FIG. 9, a predetermined number (for example, 18) of hairpin type heat transfer tubes 1, 1 ... Which are supported while straddling the stock means 5. Is moved from the upper side to the lower side (by the operation of the lifting cylinder 39) while being clamped by the clamp plates 40, 40 from both sides (by the operation of the clamping cylinder 41).
By doing so, the deformation that may occur during cutting and transfer of the hairpin type heat transfer tubes 1, 1, ... Is corrected.

The aligning and transferring means 7 clamps a predetermined number (for example, 18) of the hairpin type heat transfer tubes 1, 1 ... A rotary cylinder 43 acting as a posture changing means for changing the posture of the clampers 42, 42 downward by 90 °; a lifting cylinder 44 for raising and lowering the clampers 42, 42; and the clamper 4
An advancing / retreating movement cylinder 45 for advancing / retreating 2, 42;
The cylinders 4 for moving the clampers 42, 42 back and forth.
Moving means 46 for moving in a direction orthogonal to the operating direction of 5
It is comprised including.

In order to prevent flattening of the hairpin type heat transfer tubes 1, 1 ..., Sliding, dropping, and variation in the number of clamps by the clamps by the clampers 42, 42, the gripping force of each clamper 42 is 0.32 kg / mm ²
An elastic material having appropriate elasticity (for example, neoprene rubber with Shore hardness: 70) is used as a material for the contact portion with the hairpin type heat transfer tubes 1, 1, ... S: 50) It is desirable to attach the claws. It is desirable that the clamp stop accuracy be within ± 0.5 mm depending on the encoder cylinder and the controller.

The clampers 42, 42 are connected to an elevating cylinder 44 supported by a supporting plate 48 via a hanging bracket 47, and are connected to guide rods 49, 49 supported by the supporting plate 48. On the other hand, the support plate 48 is slidably supported in the vertical direction, and the support plate 48 is connected to the advancing / retreating cylinder 45 supported by a movable table 50.

Further, the moving means 46 is provided with the machine casing 2
And a screw rod 52 which is installed in a direction orthogonal to the operating direction of the forward / backward movement cylinder 45 with respect to a frame 51 provided on the top surface of the movable rod 50, and which is screwed to the movable base 50, and the screw rod 52. And a servo motor 53 for rotating the. That is, as the screw rod 52 is rotated by the servomotor 53, the movable table 50 (along with the clampers 42, 42, etc.) is moved in the arrow F or G direction and positioned at that position.

The aligning magazine rack 8 is positioned on a conveyor (not shown) at the position where the moving means 46 positions the clampers 42, 42, and a predetermined number of hairpin type heat transfer tubes 1, 1 ... It is partitioned so that a predetermined number of rows (for example, 7 rows) can be aligned and stored (for example, 48 at maximum).

Next, a procedure for automatically aligning the hairpin type heat transfer tubes by using the automatic aligning device having the above configuration will be described.

The hairpin-type heat transfer tubes 1, 1 ... Placed in an appropriate container are randomly transferred into the storage container 3 by hand, and the storage container 3 is drawn into the device by the moving cylinder 10 to a predetermined position. Set to. Then, the cutting fork 17 constituting the cutting means 4 is lowered by the lifting rodless cylinder 21 to a height corresponding to the length of the hairpin type heat transfer tubes 1, 1 ,. Hairpin type heat transfer tubes 1 and 1 in the storage container 3
.. Insert into the U pipe sections 1b, 1b. At this time, low-frequency vibration is applied to the storage container 3 by the vibration generating means 13 in order to increase the insertion rate of the cutting fork 17. After that, the cutting means 4 is raised by the lifting rodless cylinder 21 at the forward end of the cutting fork 17, and the cutting fork 17
The hairpin type heat transfer tubes 1, 1, ..., which are caught on the sheet are cut out from the storage container 3 (see FIG. 2).

At the rising end of the cutting means 4, the tip of the cutting fork 17 is exposed in the concave groove 28 at the rear end of the stock means 5 (see FIGS. 7 and 8). Under this condition, when the transfer means 6 is moved forward by the moving rodless cylinder 33, the hairpin type heat transfer tubes 1, 1, ... Reprinted.

When a predetermined number (for example, 18) of hairpin type heat transfer tubes 1, 1, ... Are stocked on the stocking means 5 by repeating the above operation several times, the straightening means 38
The clamp plates 40, 40 constituting the
After being raised by the clamp cylinder 41, the clamp plates 40, 40 are moved to the hairpin type heat transfer tubes 1, 1.
・ Clamp. After that, when the clamp plates 40, 40 are lowered by the lifting cylinder 39, the stock means 5
Deformation of a predetermined number (for example, 18) of hairpin type heat transfer tubes 1, 1, ... Stocked above is corrected (see FIG. 9). The number of the hairpin type heat transfer tubes 1, 1 ... Stored on the stock means 5 is counted by a counter (not shown).

Thereafter, the clampers 42, 42 constituting the aligning and transferring means 7 are advanced by the forward / backward moving cylinder 45 and a predetermined number (for example, 18) of hairpin type heat transfer tubes 1, 1 ,. After clamping., The clampers 42, 42 are lifted by the lifting cylinder 44 to separate the hairpin type heat transfer tubes 1, 1 .. Thereafter, the forward / backward moving cylinder 45 retracts the clampers 42, 42, and the rotary cylinder 43 rotates downward 90 °. In this state, the hairpin type heat transfer tubes 1, 1 ... Clamped by the clampers 42, 42 are in a horizontal posture.

Next, the movable table 50 (in other words, the clampers 42, 42) is moved to a predetermined row in the alignment magazine rack 8 by driving the servo motor 53 which constitutes the moving means 46, and then the lifting cylinder 44. The clampers 42, 42 are lowered by means of unclamping and the hairpin type heat transfer tubes 1, 1 ,.
・ Align and store.

By repeating the above operation, the hairpin type heat transfer tubes 1, 1 ...
Can be aligned and stored in the alignment magazine rack 8.

[0051]

According to the present invention, the hairpin-type heat transfer tubes 1, 1 ... Randomly placed in the storage container 3 can be aligned and stored in the alignment magazine rack 8. It is possible to automate the work of aligning the hairpin type heat transfer tubes 1, 1 ..., which was considered impossible, and has an excellent effect of greatly contributing to labor saving.

[Brief description of drawings]

FIG. 1 is a perspective view showing a schematic configuration of an automatic alignment device for hairpin type heat transfer tubes according to an embodiment of the present invention.

FIG. 2 is a perspective view illustrating a cutout state of a hairpin-type heat transfer tube by the automatic alignment device for the hairpin-type heat transfer tube according to the embodiment of the present invention.

FIG. 3 is an enlarged plan view of the storage container in the hairpin type heat transfer tube automatic alignment device according to the embodiment of the present invention.

FIG. 4 is an enlarged side view of a storage container installation portion in the hairpin type heat transfer tube automatic alignment device according to the embodiment of the present invention.

FIG. 5 is an enlarged perspective view showing a cutting means in the automatic alignment device of the hairpin type heat transfer tubes according to the embodiment of the present invention.

FIG. 6 is an enlarged perspective view showing the transfer means in the automatic alignment device for the hairpin type heat transfer tubes according to the embodiment of the present invention.

FIG. 7 is an enlarged side view showing a state at the time of transferring the hairpin type heat transfer tubes from the cutting means to the stock means in the automatic hairpin type heat transfer tube aligning device according to the embodiment of the present invention.

FIG. 8 is an enlarged plan view showing a state at the time of transferring the hairpin type heat transfer tubes from the cutting means to the stock means in the automatic hairpin type heat transfer tube aligning device according to the embodiment of the present invention.

FIG. 9 is an explanatory view for explaining the action of the straightening means in the automatic alignment device for hairpin type heat transfer tubes according to the embodiment of the present invention.

FIG. 10 is a plan view showing a general hairpin heat transfer tube.

[Explanation of symbols]

1 is a hairpin type heat transfer tube, 1a is a tubular section, 1b is a U tube section,
3 is a storage container, 3a is a side wall, 4 is a cutting means, 5 is a stock means, 6 is a transfer means, 7 is an alignment transfer means, 8 is an alignment magazine rack, 9 is a partition member, and 13 is a vibration generating means. ,
Reference numeral 17 is a cutting fork, 18 is a moving means, 24 is a biasing means (coil spring), 34 is a forward tilt holding means, 38 is a correcting means, and 43 is a posture changing means (rotating cylinder).

Claims (18)

[Claims] 1. A U pipe part (1) is provided in a predetermined storage container (3).
b), (1b) · · · The hairpin type heat transfer tubes (1), (1) · ·, which are randomly stored in a posture with the upwards, are supported by the U pipe parts (1b), (1b) · · After cutting out from the storage container (3) by the cutting means (4) in the state,
The hairpin type heat transfer tubes (1), (1), ... Supported by the cutting means (4) are replaced with the U tube portions (1b), (1b).
.. are arranged and transferred to the stocking means (5) that stocks them in a supported state, and then the hairpin type heat transfer tubes (1), (1) ... A method for automatically arranging a hairpin type heat transfer tube, which comprises clamping in a state and transferring to a magazine rack (8) for alignment. 2. The hairpin type heat transfer tubes (1), (1).
The method for automatically arranging hairpin-type heat transfer tubes according to claim 1, wherein the boxes are divided and stored in groups of an arbitrary number in the storage container (3). 3. The storage container (3) according to claim 1, wherein the storage container (3) is vibrated at a low frequency.
The method for automatically arranging a hairpin type heat transfer tube according to any one of 1. 4. The hairpin heat transfer tubes (1), (1), ... Are in a forward tilted posture at a predetermined angle during transfer from the cutting means (4) to the stock means (5). The method for automatically aligning hairpin-type heat transfer tubes according to any one of claims 1 to 3, wherein: 5. The hairpin-type heat transfer tubes (1), (1), ... Aligned and transferred to the stock means (5) are corrected to be deformed by a predetermined number and then transferred to the alignment magazine rack (8). The method for automatically arranging a hairpin-type heat transfer tube according to any one of claims 1 to 4, which is transferred. 6. The hairpin type heat transfer tubes (1), (1), ... Aligned and transferred to the stock means (5) are transferred to the arranging magazine rack (8) after being changed in posture by 90 °. The method for automatically arranging a hairpin type heat transfer tube according to any one of claims 1 to 5, wherein: 7. A storage container (3) for storing the hairpin type heat transfer tubes (1), (1), ... at random with the U tube portions (1b), (1b) .. Container (3)
Hairpin type heat transfer tubes (1), (1) ...
Cutting means (4) for cutting the arbitrary number of hairpin type heat transfer tubes (1), (1), ... From the storage container (3) by supporting the tube portions (1b), (1b) ,. Hairpin type heat transfer tubes (1), (1) supported on the cutting means (4)
.. is a stock means (5) aligned and stocked in a state of supporting the U pipe portions (1b), (1b) .. Transfer means (6) for transferring the heat pipes (1), (1) ...
, And the hairpin type heat transfer tubes (1), (1), (1), (1), (1), (1), ... ) .. and an alignment transfer means (7) for transferring the alignment magazine rack (8) to the alignment magazine rack (8). 8. Partition members (9), (9) for accommodating the hairpin type heat transfer tubes (1), (1), ... Into the storage container (3) in groups of arbitrary numbers. The automatic alignment device for a hairpin type heat transfer tube according to claim 7, further comprising: 9. The partitioning member (9), (9) ... Is arranged at a predetermined angle with respect to a side wall (3a) of the storage container (3). Automatic alignment device for hairpin type heat transfer tubes. 10. The hairpin according to any one of claims 7 to 9, wherein the storage container (3) is provided with a vibration generating means (13) for generating low frequency vibration. Automatic heat pipe aligning device. 11. The cutting means (4) comprises U-tube portions (1b), (1) of the hairpin heat transfer tubes (1), (1) ,.
b) The cutting fork (17) to be inserted into the cutting fork (17) and the moving means (18) for moving the cutting fork (17) to the cutting direction and the transfer height. An automatic alignment device for a hairpin type heat transfer tube according to any one of claims 7 to 10. 12. The hairpin type transmission according to claim 11, wherein the cutting fork (17) is movably supported by the moving means (18) through an urging means (24). Automatic alignment device for heat tubes. 13. The hairpin type transmission according to claim 11, wherein an upper surface of the cutting fork (17) has an upward inclination with a predetermined inclination toward a tip portion. Automatic alignment device for heat tubes. 14. The tip end of the cutting fork (17) and the rear end of the stock means (5) are transferred when the hairpin heat transfer tubes (1), (1), ... Are transferred. The automatic alignment device for a hairpin type heat transfer tube according to claim 11, wherein the hairpin type heat transfer tubes are overlapped by a predetermined dimension in a direction. 15. A tip end portion of the cutting fork (17) and a rear end portion of the stock means (5) are vertically moved when the hairpin type heat transfer tubes (1), (1), ... Are transferred. The automatic alignment device for a hairpin-type heat transfer tube according to any one of claims 11 to 14, wherein there is a drop by a predetermined dimension. 16. The transfer means (6) is provided with a forward tilt holding means (34) for holding the hairpin type heat transfer tubes (1), (1), ... In a forward tilted posture of a predetermined angle. The automatic alignment device for a hairpin type heat transfer tube according to any one of claims 7 to 15, characterized in that. 17. A straightening means (38) for forcibly deforming the hairpin type heat transfer tubes (1), (1), ... Arranged and transferred to the stock means (5) by a predetermined number is attached. The automatic alignment device for a hairpin type heat transfer tube according to any one of claims 7 to 16, which is characterized. 18. Clamped hairpin type heat transfer tubes (1), (1) ... 90 ° to said alignment transfer means (7).
The hairpin type heat transfer tube automatic aligning device according to any one of claims 7 to 17, further comprising a posture changing means (43) for changing a posture.