JPH07223032A - Transfer method of heat exchanger - Google Patents

Abstract

PURPOSE:To provide the transfer method capable of solving a series of problems concerning the transfer of a heat exchanger for tube expanding and achieving the automation of tube expanding work. CONSTITUTION:A heat exchanger 6 is held by a heat exchanger supply device 2 placed near a tube expanding device 10, which is provided with a reciprocating actuation body 11 to reciprocate while a mandrel and tube are faced each other so that a mandrel for tube expanding is force fitted in the tube of the heat exchanger 6, the heat exchanger is transferred from one direction intersecting to the reciprocating direction of the reciprocating actuation body upto on a turn table 3a of a heat exchanger retrieval device 3 arranged in the region tube expanding of the tube expanding device and is subjected to tube expanding. Subsequently, the heat exchanger 6 after tube expanded is left from tube expanding region by turning of the turn table 3a, this heat exchanger is held by a heat exchanger returning device 4 and is transferred to return to one direction of the tube expanding device 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger transfer method,
More specifically, the heat exchangers for expanding the pipes are sequentially held, and the pipes are conveyed from one direction of the pipe expanding device to a pipe expandable region of the pipe expanding device. The present invention relates to a heat exchanger transfer method capable of achieving automation of tube expansion work of a heat exchanger by transferring the heat exchanger in one direction.

[0002]

2. Description of the Related Art Conventionally, as a tube expanding device used for the tube expanding operation of the above heat exchanger, for example, as shown in FIG.
A plurality of pipes of a heat exchanger 17 in which a plurality of pipe expanding mandrels 14 are hung on the lower surface of 13 and positioned and set therebelow.
There is a so-called vertical expansion device 20 in which the pipe 15 is expanded by press-fitting the mandrel 14 to integrally form the pipe 15 and a plurality of heat radiation fins 16.

As shown in FIG. 5, a heat exchanger 17 is held on a base 20a of the vertical tube expanding device 20 having the above-mentioned structure via a heat exchanger receiving member 21 and a cylinder 18 is provided. The heat exchanger 17 is provided with a heat exchanger set base 19 for rotating and positioning the heat exchanger 17 into the pipe expanding region of the pipe expanding device 20 for positioning setting.

[0004]

However, the tube expanding device having the heat exchanger set base having the above-mentioned structure has the following problems.

That is, in the tube expanding device 20 provided with the conventional heat exchanger set base 19, the expanded heat exchanger 17 is once taken out from the heat exchanger set base 19 and then expanded. The heat exchanger 17 for performing will be set again on the heat exchanger set base 19, but in any case, the operator manually operates the heat exchanger 17 before and after pipe expansion, etc. It must be transferred to a transfer means (not shown) for transfer.

Therefore, the heat exchanger 17 after pipe expansion by manual work
A series of time loss related to the removal work, positioning setting work of the next heat exchanger 17 for pipe expansion, and complicated transfer work of the heat exchanger 17 to the transportation means such as a trolley for transporting to the next process etc. The operation time of the pipe expanding operation via the pipe expanding device 20 is significantly hindered by the occurrence of the above, and thus various problems such as a decrease in production efficiency and work efficiency of the heat exchanger 17 in the pipe expanding process may occur. It was happening.

Therefore, the present invention solves all of the above problems, and is for taking out the heat exchanger after the tube expansion, positioning and setting the next tube expanding heat exchanger, and carrying it to the next process or the like. Eliminates a series of time loss related to transfer of heat exchangers to transportation means such as trolleys and transportation time, extra personnel involved in labor force for that purpose, and various problems such as personnel expenses related to the personnel At the same time, it is an object of the present invention to provide an extremely excellent method for transporting a heat exchanger, which can achieve automation of pipe expanding work.

[0008]

In order to solve the above-mentioned problems, the present invention invents a completely new heat exchanger transfer method and takes the following means.

That is, according to the present invention, in the vicinity of the tube expanding device 10 provided with a reciprocating body 11 which reciprocates with the mandrel facing the tube so that the mandrel for expanding the tube can be press-fitted into the tube of the heat exchanger 6. The heat exchanger 6 is held by the heat exchanger supply device 2 disposed in the heat exchanger, and the heat exchange is provided in the pipe expandable region of the pipe expanding device 10 from one direction intersecting the reciprocating direction of the reciprocating body 11. Turntable of device ejector 3
The heat exchanger 6 after being conveyed to the upper side of the pipe 3a and expanded, is then separated from the pipe expandable region by the rotation of the turntable 3a, and the heat exchanger 6 separated from the pipe expandable region is then returned to the heat exchanger return device 4 The pipe expanding device 10 is held and is conveyed so as to be returned in one direction.

[0010]

In the method of transporting the heat exchanger having the above-mentioned structure, the reciprocating body which reciprocates with the mandrel facing the pipe so that the mandrel for expanding the pipe can be press-fitted into the pipe of the heat exchanger 6. The heat exchanger 6 is held by the heat exchanger supply device 2 arranged in the vicinity of the tube expanding device 10 provided with 11, and the tube expanding device 10 is moved from one direction intersecting the reciprocating direction of the reciprocating body 11. The heat exchanger take-out device 3 provided in the pipe expansion area is conveyed to the turntable 3a and expanded,
After that, the heat exchanger 6 after pipe expansion is separated from the pipe expandable region by rotation of the turntable 3a, and the heat exchanger 6 separated from the pipe expandable region is held by the heat exchanger returning device 4 and the pipe expanding device 10 is also provided. Since the heat exchanger 6 is conveyed so as to be returned in one direction, the heat exchanger 6 for taking out the heat exchanger 6 after the pipe expansion, positioning the next heat exchanger 6 for pipe expansion, etc. Eliminates a series of time loss related to the transfer work of trucks, etc. to transfer means, extra personnel involved in the labor force for that purpose, and various problems such as personnel expenses related to the personnel, and a heat exchanger. In addition to being able to automate the pipe expanding work in which the transfer of 6 and the pipe expanding process are integrated, the supplying work of the heat exchanger 6 before the pipe expanding to the pipe expanding device 10 and the pipe expanding device of the heat exchanger 6 after the pipe expanding Tube expansion device 10 You can concentrate in one direction.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

Regarding the structure of the transfer device used in the transfer method of the heat exchanger according to the embodiment of the present invention, the description of the same parts as those of the conventional pipe expanding device will be omitted.

In FIG. 1, reference numeral 1 denotes a heat exchanger transfer device used in the heat exchanger transfer method of the present invention, in which a reciprocating body 11 provided in an upright pipe expanding device 10 is provided. The heat exchanger 6 before pipe expansion is sequentially conveyed from one direction intersecting the reciprocating direction (arrow A), and the heat exchanger 6 after pipe expansion is returned to the pipe expansion device 10 again in one direction. It is arranged below.

In the heat exchanger transfer device 1, the heat exchanger 6 mounted on the heat exchanger mounting table 5 is connected to the pipe expanding device.
Heat exchanger supply device 2 equipped with a supply conveyor 2a that conveys (arrow B) to sequentially supply to a pipe expansion possible region of the pipe expansion device 10 from one direction intersecting the reciprocating motion direction of 10 reciprocating bodies 11.
And the heat exchanger 6 conveyed to the pipe expandable region via the heat exchanger supply device 2 can be held on the turntable 3a provided facing the reciprocating body 11, and the reciprocating operation can be performed. A heat exchanger take-out device 3 for separating the heat exchanger 6 expanded through the body 11 from the expandable region of the pipe expander 10 by the rotation (arrow C) of the turntable 3a, and the heat exchanger take-out device 3 The heat exchanger returning device provided with a returning conveyor 4a for conveying (arrow D) the pipe-extended heat exchanger 6 separated from the pipe expansion region by the rotation of the turntable 3a so as to return it to one direction of the pipe expanding device 10 again. 4 and 4.

The heat exchanger take-out device 3 includes a speed reducing mechanism 8 that doubles the power of the hydraulic motor 9 and a turntable that rotates via a rotation support shaft 3b provided in the speed reducing mechanism 8.
The turntable 3a is provided with a pair of heat exchanger fixing devices 3c for fixing the heat exchanger 6 placed on the turntable 3a so as to face each other.
Each device 1 along the longitudinal direction of the heat exchanger supply device 2 and the heat exchanger return device 4 which form a part of the transfer device 1.
A heat exchanger holding device 7a having a holding body 7b for holding the heat exchanger 6 conveyed via the heat exchanger supply device 2 and the heat exchanger returning device 4 is reciprocated above the table at predetermined intervals. The heat exchanger guide and transfer device 7 is freely connected (arrow E).

The heat exchanger holding device 7a of the heat exchanger guide and transfer device 7 has the same moving speed as that of the conveyors 2a and 4a of the heat exchanger supply device 2 and the heat exchanger return device 4, respectively. By holding the heat exchanger 6 at a predetermined speed and moving it by a predetermined distance, and further, after moving the predetermined distance, the held heat exchanger 6 is opened and returned, and the heat exchanger 6 is held and moved again. The heat exchanger 6 on the supply conveyor 2a of the heat exchanger supply device 2 is transferred onto the turntable 3a of the heat exchanger extraction device 3, and the expanded heat exchanger 6 is discharged from the heat exchanger return device 4. It can be transferred onto the conveyor 4a.

The transfer device for the heat exchanger used in the transfer method for the heat exchanger of this embodiment has the above-described structure. Next, a plurality of heat exchangers are expanded by using the transfer device for the heat exchanger. The case will be described.

First, as shown in FIG. 1 (a), the conveying device 1
When the heat exchanger 6 is placed on the supply conveyor 2a of the heat exchanger supply device 2 constituting the
And the heat exchanger holding device 7a of the heat exchanger guide transfer device 7 is simultaneously moved from one direction to the pipe expanding device 10 (arrow B), and onto the turntable 3a of the heat exchanger takeout device 3. Will be transferred.

Next, the heat exchanger 6 transferred onto the turntable 3a of the heat exchanger take-out device 3 has the turntable 3a.
The tube is fixed on the turntable 3a via the heat exchanger fixing device 3c provided on the tube and expanded by the reciprocating body 11 provided on the tube expanding device 10.

After that, the heat exchanger 6 expanded on the turntable 3a is, as shown in FIG. 2B, the expansion area of the expansion device 10 through the rotation (arrow C) of the turntable 3a. It will be transferred so that it can be separated more.

The holder 7b of the heat exchanger holding device 7a, which holds the heat exchanger 6 while the turntable 3a rotates (arrow C) as described above, operates to open the heat exchanger 6. Will be done.

Therefore, as shown in FIG. 2, the heat exchanger 6 separated from the pipe expanding area of the pipe expanding device 10 by the rotation of the turntable 3a as described above has the return conveyor 4a and the heat exchanger 4a of the heat exchanger returning device 4 as shown in FIG. Through the simultaneous movement of the heat exchanger holding device 7a of the exchanger guiding and transferring device 7, the heat exchanger holding device 7a is conveyed (arrow D) from the turntable 3a so as to be returned to the tube expanding device 10 in one direction again.

Therefore, by repeating the above series of steps in sequence, the heat exchanger after pipe expansion can be taken out, the next pipe expansion heat exchanger can be positioned and set, and the heat exchanger for transportation to the next process can be installed. Along with eliminating all problems such as a series of time loss related to transfer work such as trolleys and transportation time and transportation time, extra personnel involved in the labor force, personnel costs related to the personnel, etc. It is possible to automate the pipe expanding work by integrating the transport of the exchanger and the pipe expanding process.

In the above embodiment, the heat exchanger mounting table is placed and conveyed on the conveyor of the heat exchanger supply device and the heat exchanger returning device. A heat exchanger holder (not shown) capable of holding the exchanger mounting table at a constant interval and only a constant distance in the moving direction of the conveyor may be provided. In this case,
Together with the holder of the heat exchanger holder, the heat exchanger can be transported reliably and stably.

Further, in the above embodiment, each of the heat exchanger supplying device and the heat exchanger returning device which constitute the conveying device conveys the heat exchanger mounting table on which the heat exchanger is placed in sequence. However, the means for conveying the heat exchanger does not necessarily have to be a conveyor. For example, as shown in FIG. 3, the heat exchanger or the heat exchanger mounting table on which the heat exchanger is mounted is , A rotary roller 1b arranged in parallel in each of the above devices
And a rotating ball body (not shown) are movably mounted in a free state, and the reciprocating motion of the heat exchanger holding device that holds the heat exchanger moves from one direction to the other on each device. In this case, not only the heat exchanger supply device and the heat exchanger return device can be simplified to reduce the facility cost, but also a plurality of heat radiation fins can be used. The heat exchanger, which can be easily deformed due to a slight vibration or the like by being formed with the tube inserted in, can be more reliably and firmly held and conveyed without deformation.

Further, in the case where a rotating roller is used as the conveying means of each of the heat exchanger supplying device and the heat exchanger returning device as described above, for example, the rotating roller is a permanent magnet, an electromagnet, or suction air. In addition to the adsorption means, the heat exchanger mounting table on which the heat exchanger is placed or the heat exchanger itself is adsorbed via the adsorption means and may be transported from one direction to the other. In this case, since the heat exchanger mounting table or the heat exchanger itself to be conveyed is adsorbed through the adsorbing means and sequentially conveyed from one direction to the other direction, it is mounted without using a special holding device or the like. It is possible to surely prevent the gap between the placed heat exchangers or the heat exchanger mounting table or the positional deviation during transportation, and perform smooth transportation.

Further, in the above embodiment, the heat exchanger is mounted on the heat exchanger mounting base, but the heat exchanger does not necessarily have to be mounted on the heat exchanger mounting base, and It goes without saying that not only the specific shape and size of the heat exchanger but also the presence or absence of the heat exchanger mounting table are not limited.

Further, in the above-mentioned embodiment, the heat exchanger supply device, the heat exchanger take-out device and the heat exchanger return device, which constitute the transfer device, are each formed as an independent separate body. , Each device does not necessarily have to be a separate unit,
The respective devices may be connected in a substantially U-shape and integrally formed, and in this case, the entire transfer device can be formed more compactly.

Further, in the above embodiment, the heat exchanger mounting table on which the heat exchanger is mounted is constructed so as to move sequentially on the conveyor (conveying means) of each of the above-mentioned devices as the conveyor moves. For example, the heat exchanger mounting table may be configured to be conveyed in parallel on the conveyor (conveying means) of each device at a predetermined interval, and in this case, heat exchange within a predetermined time It is possible to dramatically increase the number of pipes to be expanded, but at this time, the reciprocating body of the pipe expansion device has a number of pipe expansion mandrels corresponding to the pipes of the heat exchanger conveyed in parallel. It goes without saying that it is provided.

The heat exchanger mounting table holds the heat exchanger in an upright position, and a receiver for holding the heat exchanger by inserting the end portion of the tube inserted into the heat exchanger is used. It may be provided, and in this case, the heat exchanger can be erected and held in a stable state, but the specific shape of the heat exchanger mounting table, the holding mechanism of the heat exchanger, etc. It goes without saying that not only the structure but also the presence or absence of the heat exchanger mounting table is not limited.

Further, in the above-mentioned embodiment, the heat exchanger take-out device comprises a speed reducing mechanism for doubling the power of the hydraulic motor and a turntable rotating via a rotation support shaft provided in the speed reducing mechanism. Moreover, the turntable is provided with a pair of heat exchanger fixing devices for fixing the heat exchanger placed on the turntable so as to face each other. It may be configured to rotate via a link mechanism, rack and pinion, or the like, or may be configured to rotate via an electric motor. In this case, a warming device for the hydraulic motor is required especially in winter. Use an environment-friendly heat exchanger take-out device without any complicated steps such as warming work, and without any noise at the time of hydraulic motor operation. Can.

Further, the heat exchanger fixing device provided on the turntable causes the heat exchanger mounting table or a pair of claws and the like to hold the heat exchanger to protrude from the turntable, and the heat exchanger mounting table. Alternatively, when the heat exchanger is opened, the pair of claws and the like may be stored in the turntable, and the specific mechanism and quantity of the heat exchanger fixing device are by no means limited. Needless to say.

Further, in the above embodiment, the tube expanding device is
Although a so-called vertical pipe expanding device is used, the vertical pipe expanding device is not necessarily limited to the vertical pipe expanding device. For example, a horizontal pipe expanding device that reciprocates a reciprocating body in a horizontal direction may be used. The heat exchanger taken out from the pipe expanding device through the device is taken out above or below the pipe expanding device, and the heat exchanger after the pipe expansion is not necessarily taken out either in front of or behind the pipe expanding device. The extraction direction of the heat exchanger with respect to the tube expansion device is also not limited.

Further, in the above embodiment, a holding body for holding the heat exchanger conveyed through the heat exchanger supply device and the heat exchanger returning device which constitute the conveying device is provided in the vicinity of the conveying device. The heat exchanger holding device provided is provided with a heat exchanger guide transfer device continuously reciprocally arranged at a predetermined interval. For example, the heat exchanger guide transfer device is provided only on the turntable, and The heat exchanger may be held and transferred, or may be provided only on one end side of the heat exchanger supply device and the heat exchanger return device on the turntable side. Needless to say, the specific mechanism, location, quantity, shape, etc. of the guide transfer device are not limited, and the presence or absence of the heat exchanger guide transfer device is by no means an essential requirement of the present invention.

[0035]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, the expansion pipe provided with the reciprocating body that reciprocates so that the expansion mandrel can be press fit into the pipe of the heat exchanger. A heat exchanger that holds the heat exchanger by a heat exchanger supply device that is arranged near the device, and that is provided in a pipe expandable region of the pipe expanding device from one direction that intersects the reciprocating direction of the reciprocating body. The heat exchanger is conveyed to the turntable of the take-out device and expanded, and then the expanded heat exchanger is separated from the expandable region by rotation of the turntable, and the heat exchanger separated from the expandable region is returned to the heat exchanger return device. Since it is held by and is conveyed so as to be returned in one direction of the pipe expanding device, it is possible to take out the heat exchanger after the pipe expansion and perform work such as positioning setting of the next pipe expanding heat exchanger and conveyance to the next process. To eliminate all the problems such as a series of time loss related to the transfer work of the heat exchanger to the transportation means such as a trolley, etc., extra personnel involved in the labor force for that purpose, and personnel costs related to the personnel. At the same time, it is possible not only to automate the pipe expanding work that integrates the transfer of the heat exchanger and the pipe expanding process, but also to supply the heat exchanger to the pipe expanding device before pipe expansion and to expand the heat exchanger after pipe expansion. The removal work from the device can be concentrated in one direction of the tube expansion device.

Therefore, it has been possible to provide a very excellent method of transporting the heat exchanger, in which the pipe expanding process of the heat exchanger can be automated with the necessary minimum number of personnel.

[Brief description of drawings]

FIG. 1 shows a heat exchanger transfer device as an embodiment of a heat exchanger transfer method of the present invention, in which FIG. 1 (a) is a front view and FIG. 1 (b) is a plan view.

FIG. 2 is a plan view of a transfer device for a heat exchanger according to the present invention.

FIG. 3 is a front view showing another embodiment of the heat exchanger transfer device of the present invention.

FIG. 4 is a perspective view of a conventional tube expanding device.

FIG. 5 is a side view showing a state in which a heat exchanger is set in a conventional pipe expanding device.

[Explanation of symbols]

 1 ... Heat exchanger transfer device 2 ... Heat exchanger supply device 2a ... Supply conveyor 3 ... Heat exchanger unloading device 3a ... Turntable 4 ... Heat exchanger return device 4a ... Return conveyor 6 ... Heat exchanger 7 ... Heat exchange Vessel guide transfer device 8 ... Reduction mechanism

Claims (1)

[Claims] 1. A pipe expanding device (10) comprising a reciprocating body (11) which reciprocates with the mandrel facing the pipe so that the mandrel for expanding the pipe can be press-fitted into the pipe of the heat exchanger (6). The heat exchanger (6) is held by a heat exchanger supply device (2) arranged in the vicinity of the pipe expanding device (10) from one direction intersecting the reciprocating direction of the reciprocating body (11). Of the heat exchanger take-out device (3) installed in the area where pipes can be expanded, the pipes are expanded to the turntable (3a), and then the heat exchanger is expanded.
(6) is separated from the pipe expandable region by rotation of the turntable (3a), and then the heat exchanger (6) separated from the pipe expandable region is held by the heat exchanger returning device (4), and the pipe expanding device is also used. (10) A method of transporting a heat exchanger, characterized by transporting the heat exchanger in one direction.