KR101291026B1 - Automatic Assembling Apparatus for Heat Exchanger - Google Patents

Abstract

The present invention relates to a heat exchanger automatic assembly device for supplying a machined fin and tube to automatically assemble the core, the heat exchanger automatic assembly device according to the present invention, a pin tray with a plurality of fin housing, A pin supply part consisting of a pin tray conveying part for conveying a tray; A tube feeder comprising a tube picket for receiving a plurality of tubes, a tube dispenser for dispensing the tube, and a tube picket transfer part for feeding the dispensed tube into the tube picket in order; And a tube seating portion in which the tube is dropped and seated from the tube picket, a pin conveying channel for guiding the pins stored in the pin tray to the tube seating portion, and a pin guide for guiding the guide pins to be interposed therebetween. And a pin pusher stacking portion including a pin pusher for sandwiching the fin between the tubes and a core compression portion for compressing the heat exchanger core; It is made, including.

Accordingly, the present invention can improve the productivity by shortening the supply time of the pin by supplying two or more processed pins at the same time, it is possible to prevent the processed pin is wasted even if trouble occurs in the assembly process, There is an effect that can smoothly supply the pin and tube. In addition, it is possible to reduce the failure rate of the heat exchanger core by preventing the fin from falling or falling off.

Heat exchanger, core, automatic assembly device, lamination, productivity improvement

Description

Automatic Assembling Apparatus for Heat Exchanger

The present invention relates to a heat exchanger automatic assembly device, and more particularly, to a heat exchanger automatic assembly device for supplying a fin tube to automatically assemble the core.

The heat exchanger is a device in which heat exchange fluid is introduced and the heat exchange fluid is transferred to a tube having a fin to cool or heat the tube to radiate or heat the heat of the heat exchange fluid.

Such a heat exchanger is to assemble the core by alternately stacking the tube and the fin, it is assembled by the heat exchanger automatic assembly device.

Heat exchanger automatic assembly device is the tube distributed one by one by the tube dispenser is moved by the transport chain to fall to the bottom, and the fin is processed after milling the fin material by the fin mill between the dropped tube and the tube The fin supply unit is supplied between the tube and the tube to compress the heat exchanger core in which the tube and the fin are stacked.

In the conventional heat exchanger automatic assembly device as shown in Fig. 1 and 2 to move the tube 101 by one step by a lower step by the transport chain 111 of the bed 110 to drop. The heat dissipation fins are supplied at every step transfer between the dropped tubes. The conventional heat exchanger automatic assembly device has a structure in which one tube is dropped one by one and one fin is inserted between the dropped tubes.

The conventional heat exchanger automatic assembly device is moved down by one step by the transfer chain 110 of the bed 110 by one by one drop, so that the structure can only supply the machined fins one by one The pins cannot be supplied two by two. Accordingly, the supply time is long and there is a problem that the productivity is low. In addition, when a trouble occurs in the assembly process, the pin processing is continuously made, but a chain stop of the assembly apparatus is generated, so that a plurality of processed pins are discarded, resulting in a waste of resources.

The present invention has been made to solve the above problems, an object of the present invention is to provide a heat exchanger automatic assembly device to improve the productivity by shortening the supply time of the pin to supply two or more processed fins. will be.

In addition, another object of the present invention is to provide a heat exchanger automatic assembly device that prevents waste of the processed fins even if trouble occurs in the assembly process.

In addition, another object of the present invention to provide a heat exchanger automatic assembly device that can improve the productivity by smoothly supplying the fins and tubes.

Heat exchanger automatic assembly device of the present invention for achieving the above object is a fin having a plurality of fin receiving portion 21 is arranged at a predetermined interval and accommodates the fin (1) processed by the fin processing unit 10 The pin 22 to which the pin tray 22 is assembled so that the tray 22 and the pin 1 processed by the pin processing unit 10 are guided and received by the pin receiving unit 21. A pin supply part 20 comprising a pin tray feed part 23 for horizontally conveying in the stacking direction of (1); The tube picket 31 and the plurality of stacked tubes 2 are arranged at regular intervals such that the tubes 2 may be disposed between the respective pins 1 accommodated in the pin tray 22. Tube dispenser 32 for dispensing one by one to the picket 31, and the tube picket 31 in the tube stacking direction so that the tube 2 dispensed by the tube dispenser 32 is sequentially received into the tube picket 31 A tube supply part (30) consisting of a tube picket conveying part (33) for horizontally conveying the food; And a tube seating portion 41 in which the tube 2 is dropped and seated from the conveyed tube picket 31, and a pin 1 housed in the pin tray 22 is transferred to the tube seating portion 41. A pin guide for guiding the pin feed channel 42 to be guided so that the pin 1 guided to the pin feed channel 42 is interposed between the respective tubes 2 seated on the tube seat 41. 43 and the pin pusher 44 which simultaneously transfers the pin 1 accommodated in the pin tray 22 through the pin transfer channel 42 and the pin guide 43 so as to be interposed between the tubes 2. And a heat exchanger core 3 in which a tube 2 conveyed by the tube picket transfer part 33 and a fin 1 interposed between the tube 2 by the pin pusher 44 are stacked. A pin-tube stacking portion (40) comprising a core compressing portion (45) for narrowing the distance between the portions (41) so as to be compressed in the stacking direction; And a control unit.

In addition, the tube picket 31 of the present invention is provided with a first tube picket (31a) and a second tube picket (31c) stacked on the upper and lower, the first tube picket (31a), the tube dispenser A first tube picket 31a in which the tube 2 dispensed by 32 is housed, and a tube 2 distributed at the lower end of the first tube picket 31a are disposed in the first tube picket 31a. And a first under guide 31b for opening the lower end of the first tube picket 31a by movement to drop the received tube 2 into the second tube picket 31c. The second tube picket 31c includes a second tube picket 31c for storing the tube 2 dropped by the movement of the first under guide 31b, and a lower end of the second tube picket 31c. When the tube (2) that is provided in the drop to accommodate the second tube picket (31c) and the lower end of the second tube picket (31c) by moving A housing tube (2) of claim 2 characterized in that the undercoat comprises a guide (31d) such that fall into the tube receiving portions (41).

In addition, the upper width (w1) of the first tube picket (31a) and the second tube picket (31c) of the present invention is characterized in that wider than the lower width (w2).

In addition, the core compression portion 45 of the present invention is coupled to each of the tube seating portion 41 and two guide shafts 45a for guiding the space between the tube seating portions 41 to be moved broadly or narrowly. And a link 45b positioned between the guide shafts 45a and connecting the tube seating portions 41 to each other, and in contact with a fin located at the outermost portion of the stacked heat exchanger cores 3 in the stacking direction. And a cylinder rod 45c for compressing the heat exchanger core 3 and a cylinder 45d for driving the piston rod 45c.

In addition, the link 45b of the present invention includes a first link 45b 'connecting the center of the tube seat 41 to each other, and two second links connecting both sides of the tube seat 41 to each other. And a link 45b ".

In addition, the tube seating portion 41 of the present invention is between the tube seating portion 41 to prevent the pin (1) interposed between the tube (2) to fit into the space between the tube seating portion (41) Pin fitting prevention projection (41a) for closing the space of the tube seating is characterized in that protruding outward.

In addition, the pin pusher entry guide 43a of the pin guide 43 of the present invention is formed in the direction in which the pin pusher 44 enters in an opening direction so that the lower portion of the pin pusher 44 can enter. .

In addition, the present invention is further provided with a pin tray storage unit 24 for separately transporting and storing the pin tray 22 in which the pin 1 is stored when the pin tray 22 is stacked in the pin supply unit 20. It is characterized by.

As described above, the heat exchanger automatic assembly device of the present invention can improve productivity by shortening the supply time of the fins by simultaneously supplying two or more processed fins, and the processed fins are wasted even if trouble occurs in the assembly process. It can be prevented, and there is an effect that can smoothly supply the pin and tube. In addition, it is possible to reduce the failure rate of the heat exchanger core by preventing the fin from falling or falling off.

Hereinafter, with reference to the accompanying drawings will be described in detail the heat exchanger automatic assembly of the present invention.

Figure 3 is a plan view showing a heat exchanger automatic assembly according to the present invention, Figure 4 is a detailed view showing the fin processing unit and the fin supply unit of the heat exchanger automatic assembly according to the present invention, Figure 5 is a heat exchange according to the present invention 6 is a detailed view showing a fin supply unit of the automatic assembly device, Figure 6 is a detailed view showing a tube supply unit of the heat exchanger automatic assembly apparatus according to the present invention, Figure 7 is a tube picket of the heat exchanger automatic assembly apparatus according to the present invention 8 is a detailed view showing the fin-tube stacking part of the heat exchanger automatic assembly apparatus according to the present invention, FIG. 9 is a detailed view of FIG. 8, and FIG. 10 is a cross-sectional view of FIG. 9 and FIG. 9. 11 is a cross-sectional view of the tube seating portion of the automatic heat exchanger assembly according to the present invention, FIG. 12 is a front view showing a fin guide according to the present invention, and FIG.

As shown, the heat exchanger automatic assembly device according to the present invention includes a fin supply unit for supplying and transporting the processed fin (1) to the pin tray 22; A tube supply part 30 which feeds and conveys the tube 2 distributed by the tube dispenser 32 to the tube picket 31; And a fin-tube stacking portion for allowing the tube 2 to fall from the tube picket 31 so as to interpose the fin 1 between the tubes seated on the tube seating portion 41 and to compress the heat exchanger core 3. 40); It is made, including.

The pin supply unit 20 includes a pin tray 22 having a plurality of pin receiving units 21 and a pin tray transfer unit 23 for transferring the pin tray 22.

The pin tray 22 is provided with a plurality of pin receiving portion 21 which is arranged at a predetermined interval and accommodates the pin 1 processed by the pin processing unit 10.

At this time, the pin processing section 10, the first pin cutter 11 for cutting in the longitudinal direction so that the pin material 4 having two or more pin widths become the pin material 4 having one pin width, and the The fin mill 12 which manufactures the pin 1 by milling the fin material 4 cut | disconnected from the 1st pin cutter 11, and the pin 1 milled from the said pin mill 12 are fixed. It is preferable to include the 2nd pin cutter 13 which manufactures the pin 1 by cutting | disconnecting in the width direction so that it may have a length.

As described above, the present invention processes two or more pins 1 processed by the pin processing unit 10 in order to be stored in the pin receiving unit 21 of the pin tray 22 one by one and interposed one by one between the tubes. It is possible to improve the processing and supply speed of the fin (1) by improving the problem of the conventional heat exchanger assembly device.

At this time, the pin tray feeder 23 is rotated by one step of the servo motor (not shown) so that two or more pins can be simultaneously accommodated in the pin housing portion 21 of the pin tray 22. The pin tray 22 is transported such that the pin receiving portion 21 of the tray 22 is transported by the number of pins supplied.

In particular, when two pins are simultaneously stored in the pin housing portion 21 of the pin tray 22, even when the number of the pin housing portions 21 is odd, one pin is finally stored but the adjacent pin tray is left. Since it is accommodated in the pin housing portion 21 of 22, it can be stored in the pin tray 22 without waste of the pins.

The pin tray conveying unit 23 assembles the pin tray 22 so that the pin 1 processed by the pin processing unit 10 is received by being guided to the pin receiving unit 21. It serves to horizontally transport in the stacking direction of the pin (1) to be.

The present invention preferably further includes a pin tray storage unit 24 for separately transporting and storing the pin tray 22 in which the pin 1 is stored when the pin tray 22 is stacked in the pin supply unit 20. Do.

Accordingly, when the pin tray 22 is stored in the pin tray storage unit 24 when the pin tray 22 is stacked, the fin and the feed speed of the fin are faster than the feed rate of the tube in the conventional heat exchanger assembly apparatus that interposes the fins one by one. By improving the problem that the processed pins are wasted, the pin tray 22 stored in the pin tray storage unit 24 is stored and the stored pin trays are utilized, thereby reducing the waste of pins and improving productivity. You can do it.

The tube supply unit 30 includes a plurality of tube pickets 31 in which tubes are stored, a tube dispenser 32 for distributing a plurality of stacked tubes 2, and a dispensed tube 2 for the tube picket 31. It consists of a tube picket transfer portion 33 to be transported in order to be received.

The tube picket 31 is disposed at regular intervals so that the tubes 2 may be disposed between the pins 1 accommodated in the pin tray 22. At this time, the tube picket 31 may be provided in a single layer, but is preferably provided in multiple layers in order to improve productivity. To this end, the tube picket 31 is provided with a first tube picket 31a and a second tube picket 31c stacked on top and bottom, and the first tube picket 31a is the tube dispenser 32. A first tube picket 31a in which the tube 2 dispensed by the tube is accommodated, and a tube 2 distributed in the lower end of the first tube picket 31a is accommodated in the first tube picket 31a. And a first under guide 31b for opening the lower end of the first tube picket 31a by the movement to drop the received tube 2 into the second tube picket 31c. The 2 tube picket 31c is provided in the lower end of the 2nd tube picket 31c which accommodates the tube 2 dropped by the movement of the said 1st under guide 31b, and the said 2nd tube picket 31c. And the dropped tube 2 is accommodated in the second tube picket 31c, and the lower end of the second tube picket 31c is opened by moving. A second under guide 31d for dropping the received tube 2 into the tube seat 41 is provided. At this time, the first under guide 31b and the second under guide 31d are simultaneously driven by a piston (not shown).

FIG. 7A shows that the first and second under guides 31b and 31d seal the lower ends of the first and second tube pickets 31a and 31c, and FIG. 7B shows the first and second underscores. The guides 31b and 31d open the lower ends of the first and second tube pickets 31a and 31c.

In addition, the first tube picket 31a has an upper width w1 so that the tube 2 is easily accommodated in the first tube picket 31a when the tube 2 is dispensed by the tube dispenser 32. Is preferably wider than the lower width w2. In addition, the second tube picket (31c) is a tube (2) housed in the first tube picket (31a) is easily dropped to the second tube picket (31c) to be stored in the second tube picket (31c). Preferably, the upper width w1 is wider than the lower width w2.

The tube dispenser 32 distributes the stacked plurality of tubes 2 to the tube picket 31 one by one. The tube dispenser 32 utilizes a tube dispenser disclosed in Japanese Patent Application Laid-open No. 10-2004-0067226 filed by the present applicant (name of the invention: heat exchanger assembly device).

The tube picket conveying part 33 horizontally conveys the tube picket 31 in the stacking direction of the tube to be assembled so that the tube 2 dispensed by the tube dispenser 32 is sequentially received into the tube picket 31. Play a role.

The pin-tube stack 40 includes a tube seating portion 41 in which the tube 2 falls from the tube picket 31, and a pin 1 housed in the pin tray 22. The pin feed channel 42 for guiding the feed to the seating portion 41, the pin guide 43 for guiding the guide pin 1 to be interposed between the seated tubes 2, and the pin 1 A fin pusher 44 interposed between the tubes 2 and a core compression unit 45 for compressing the heat exchanger core 3 in which the tubes 2 and the fins 1 interposed are stacked.

The tube seating portion 41 is to be seated by dropping the tube (2) from the tube picket 31 transferred by the tube picket transfer portion 33 of the tube supply portion (30).

At this time, the tube seating portion 41 is the tube seating portion 41 as shown in Figure 11 to prevent the pin (1) interposed between the tube (2) to fit into the space between the tube seating portion (41) Pin pinning projection (41a) for closing the space between the) is preferably formed to protrude out of the tube seating portion (41). As such, when the pin fitting prevention protrusion 41a is formed outside the tube seating portion 41, the pin 1 transferred by the pin pusher 44 may be prevented from being inserted between the tube seating portions 41. In addition, since the pin 1 is prevented from being inserted between the tube seating portions 41 when the core 3 is compressed, the defective rate can be reduced.

The pin transfer channel 42 guides the pin 1 accommodated in the pin tray 22 to the tube seat 41.

The pin guide 43 guides the pin 1 guided to the pin transfer channel 42 to be interposed between the respective tubes 2 seated on the tube seat 41. The pin guide 43 serves to smoothly feed between the tubes 2 without the pins falling or falling off when the plurality of pins 1 are pushed by the pin pusher 44. 12 and 13, an open pin pusher entry guide 43a is formed at an end of the pin pusher 44 entering direction of the pin guide 43 so that a lower portion of the pin pusher 44 can enter. It is preferable that it is formed.

As such, when the pin pusher entry guide 43a is formed at the end of the pin guide 43, the pin 1 is smoothly supplied between the tubes 2 without falling or falling off, thereby stacking the core 3. The defective rate of can be reduced.

The pin pusher 44 simultaneously transports the pin 1 through the pin transfer channel 42 and the pin guide 43 so as to be interposed between the tubes 2.

The core compression unit 45 is a heat exchanger core in which a fin 2 interposed between the tube 2 transferred by the tube picket transfer unit 33 and the tube 2 by the pin pusher 44 is stacked ( 3) to narrow the gap between the tube seating portion 41 to be compressed in the stacking direction.

The core compression portion 45 is coupled to each of the tube seating portion 41 and two guide shafts 45a for guiding the space between the tube seating portions 41 to be moved broadly or narrowly, and the guide shaft. Links 45b, which are located between 45a and connecting the tube seats 41 to each other, and the heat exchanger core 3 in the stacking direction in contact with fins located at the outermost side of the stacked heat exchanger cores 3. ) And a cylinder (45d) for driving the piston rod (45c) for compressing.

In this case, the link 45b includes a first link 45b 'connecting the centers of the tube seats 41 to each other, and two second links 45b connecting both sides of the tube seats 41 to each other. It is preferable that it consists of ").

In the state interposed between the tube 2 by simultaneously transporting the pin 1 through the pin feed channel 42 and the pin guide 43 by the pin pusher 44 (see Fig. 9 (a)), When the piston rod 45c is driven by the cylinder 45d, the link 45b connecting the tube seat 41 to each other is inserted into the tube seat 41 so that the tube seat ( The gap between 41 is narrowed so that the heat exchanger core 3 is compressed (see FIG. 9 (b)).

The pin guide 43 is mounted on a separate upper transfer unit 46, and the pin guide 43 is the pin-tube stack 40 when the upper transfer unit 46 is advanced for pin / tube transfer. The tube 2 is supplied to the tube seating portion 41 from the second tube picket 31c transferred by the tube picket conveying portion 33 and spaced apart from the tube. The upper conveying unit 46 is reversed and the pin 1 guided to the pin conveying channel 42 is conveyed to a position where it can be interposed between each tube 2 seated on the tube seat 41. The pin transferred by the pin pusher 44 is guided between the tubes 2.

FIG. 10A is a cross-sectional view taken along line AA of FIG. 9, and FIG. 10B is a cross-sectional view taken along line BB of FIG. 9, with three link insertion holes 41b into which the link is inserted into the tube seat 41, and both sides thereof. The shaft insertion hole 41c into which the rod shaft 45a is inserted is formed.

In this manner, when the link 45b is three, the core can be stably compressed without shaking the tube seat 41 during compression.

Heat exchanger automatic assembly device of the present invention having the configuration as described above is to assemble the heat exchanger core in the following way.

14 to 19 is an operation of the heat exchanger automatic assembly apparatus according to the present invention.

The pin material 4 having two or more pin widths is cut in the longitudinal direction by the first pin cutter 11 so as to be the pin material 4 having one pin width, and is cut from the first pin cutter 11. The pin material 4 is milled by the pin mill 12 so that the pin 1 is manufactured. The manufactured pin 1 is cut in the width direction by the second pin cutter 13 to have a predetermined length, thereby completing the manufacture of the pin 1. The finished pin 1 is supplied to the pin tray 22 at least two at a time, and once the supply is finished, the pin 1 is transferred by the pin tray feeder 23 and repeats the pin 1 to the pin tray 22. It will be stored. The pin tray 22, which has been received, is horizontally conveyed, and each pin 1 accommodated in the pin tray 22, which is completed, is simultaneously fed by the pin pusher 44 to the pin feed channel 42 and the pin guide 43. Through the tube).

Meanwhile, a plurality of stacked tubes 2 are distributed to the tube picket 31 by the tube dispenser 32.

In FIG. 14, the pin is processed by the pin processing unit 10 and is received in the pin tray 22, and the tube is distributed to the tube picket 31 by the tube dispenser 32.

The tube 2 dispensed by the tube dispenser 32 is in turn accommodated in the first tube picket 31a. In this case, the tube picket transfer part 33 transfers the first tube picket 31a to sequentially receive the tube 2 into the first tube picket 31a. When all the tubes 2 constituting the heat exchanger core are distributed and accommodated in the first tube picket 31a, the first under guide 31b provided at the lower end of the first tube picket 31a is moved to the The lower end of the first tube picket 31a is opened and all the tubes 2 housed in the first tube picket 31a are dropped into the second tube picket 31c to be accommodated. In FIG. 15, the tube 2 accommodated in the first tube picket 31a is dropped from the first tube picket 31a to the second tube picket 31c and received in the second tube picket 31c. Indicates.

The second tube picket 31c is again horizontally transferred to the pin-tube stack 40 by the tube picket transfer 33. In FIG. 16, the tube seating portion 41 from the second tube picket 31c in a state where the second tube picket 31c is horizontally transferred to the pin-tube stacking portion 40 by the tube picket conveying portion 33. Indicates the state just before falling to

In the state in which the second tube picket 31c is horizontally transferred, the second under guide 31d provided at the bottom of the second tube picket 31c is moved to open the lower end of the second tube picket 31c. The tubes 2 housed in the second tube picket 31c are all dropped onto the tube seat 41 and seated. At this time, the second tube picket 31c is returned to its original position after the tube drop.

In addition, in the state where the second tube picket 31c is horizontally transferred to the pin-tube stacking portion 40 by the tube picket conveying portion 33, a separate upper conveying unit 46 on which the pin guide 43 is mounted. ) Is a state in which the pin guide 43 is spaced apart from the pin-tube stack 40 and the second tube picket (33) is conveyed by the tube picket conveying unit 33. The tube 2 is supplied to the tube seat 41 from 31c).

When the tube is seated by the tube seating part 41, each pin 1 accommodated in the pin tray 22 where the transfer is completed is simultaneously performed by the pin pusher 44 and the pin feed channel 42 and the pin guide 43. It is interposed between the seated tube (2) through). In FIG. 17, all of the tubes 2 housed in the second tube picket 31c are dropped onto the tube seat 41 and seated. In addition, in FIG. 17, the upper conveying unit 46 is moved backward with the transfer and supply of the tube 2 to the pin-tube stacking part 40 to the pin 1 guided to the pin conveying channel 42. The pin guide 43 is moved to a position that can be interposed between each tube 2 seated on the tube seating portion 41 by the pin guide 43.

FIG. 18 shows a state where the pin is interposed between the tubes 2 seated on the tube seat 41 by the pin pusher 44. At this time, the upper transfer unit 46 is reversed to guide the pin transferred to the pin pusher 44 by the pin guide transferred between the tube 2 so that the pin 1 is interposed between the tube 2. do.

When the fin 1 is interposed between the tubes 2, the space between the tube seat 41 is narrowly moved by the cylinder 45d and the piston rod 45c to compress the heat exchanger core 3. . 19 shows a state in which the gap between the tube seats 41 is narrowly moved to compress the heat exchanger core 3.

When the heat exchanger core 3 is compressed, the tube seat 41 is separated from the core 3, and the compressed heat exchanger core 3 is transferred to the support and tank assembly process.

At this time, during the transfer of the second tube picket 31c to the tube seating portion 41, the dropping of the tube 2 of the second tube picket 31c, and the core compression process, the first tube picket 31a is a tube dispenser. Dispensing of the tube 2 is completed by 32.

The above process is repeated to stack the heat exchanger cores.

1 and 2 is a view showing a conventional heat exchanger automatic assembly device.

Figure 3 is a plan view showing an automatic heat exchanger assembly according to the present invention.

Figure 4 is a detailed view showing the fin processing unit and the fin supply unit of the heat exchanger automatic assembly device according to the present invention.

Figure 5 is a detailed view showing the fin supply portion of the heat exchanger automatic assembly device according to the present invention.

Figure 6 is a detailed view showing the tube supply portion of the heat exchanger automatic assembly device according to the present invention.

7 is a plan view and a front view of the tube picket of the heat exchanger automatic assembly device according to the present invention.

Figure 8 is a detailed view showing the fin-tube stacking portion of the automatic heat exchanger assembly according to the present invention.

9 is a detail of FIG. 8;

10 is a sectional view taken along the line A-A of FIG. 9 and B-B taken along the line of FIG.

11 is a view showing the tube seating portion of the automatic heat exchanger assembly according to the present invention.

12 is a front view showing a pin guide according to the present invention.

13 is a detailed view of FIG. 12.

14 to 19 is an operation of the heat exchanger automatic assembly device according to the present invention.

DESCRIPTION OF REFERENCE NUMERALS

1: pin 2: tube

3: core 4: fin material

10: pin processing part 11: first pin cutter

12: fin mill 13: second pin cutter

20: pin supply section 21: pin housing section

22: pin tray 23: pin tray feed section

24: pin tray storage 30: tube supply

31: tube picket 31a: first tube picket

31b: first under guide 31c: second tube picket

31d: 2nd under guide 32: tube dispenser

33: tube picket transfer portion 40: pin-tube stacking portion

41: tube seating part 41a: pinning prevention protrusion

41b: link insertion hole 41c: shaft insertion hole

42: pin feed channel 43: pin guide

44: pin pusher 45: core compression

45a: guide shaft 45b: link

45b ': First link 45b ": Second link

45c: piston rod 45d: cylinder

Claims (8)

The pin tray 22 is provided with a plurality of pin housing portion 21 for accommodating the pin 1 disposed by a pin processing portion 10 at a predetermined interval, the pin tray 22 is a pin processing portion Pin tray conveying portion 23 for horizontally conveying the pin tray 22 in the stacking direction of the pin 1 to be assembled so that the pin 1 processed by the (10) is guided to the pin receiving portion 21 to be received. Pin supply unit 20 made of; The tube picket 31 and the plurality of stacked tubes 2 are arranged at regular intervals such that the tubes 2 may be disposed between the respective pins 1 accommodated in the pin tray 22. Tube dispenser 32 for dispensing one by one to the picket 31, and the tube picket 31 in the tube stacking direction so that the tube 2 dispensed by the tube dispenser 32 is sequentially received into the tube picket 31 A tube supply part (30) comprising a tube picket conveying part (33) for horizontally conveying the food; And The tube seating portion 41 in which the tube 2 is dropped and seated from the conveyed tube picket 31 and the pin 1 housed in the pin tray 22 are transferred to the tube seating portion 41. A pin guide 43 for guiding the guide pin feed channel 42 and the pin 1 guided to the pin feed channel 42 to be interposed between the respective tubes 2 seated on the tube seat 41. And a pin pusher 44 which simultaneously transfers the pin 1 accommodated in the pin tray 22 through the pin transfer channel 42 and the pin guide 43 so as to be interposed between the tubes 2. The tube seating part includes a heat exchanger core (3) in which a tube (2) transferred by the tube picket transfer part (33) and a fin (1) interposed between the tube (2) by the pin pusher (44) are stacked. A pin-tube stack 40 formed of a core compressor 45 for narrowing the gap between the 41 to be compressed in the stacking direction; Heat exchanger automatic assembly device comprising a. The method of claim 1, The tube picket 31 is provided with a first tube picket 31a and a second tube picket 31c stacked on the upper and lower portions. The first tube picket 31a is provided at a lower end of the first tube picket 31a and the first tube picket 31a in which the tube 2 dispensed by the tube dispenser 32 is accommodated. The received tube (2) to be received in the first tube picket (31a) by moving the lower end of the first tube picket (31a) by dropping the received tube (2) to the second tube picket (31c) The first under guide 31b is provided, The second tube picket 31c includes a second tube picket 31c for storing the tube 2 dropped by the movement of the first under guide 31b, and a lower end of the second tube picket 31c. The tube 2 dropped therein is accommodated in the second tube picket 31c and the lower end of the second tube picket 31c is opened by moving to accommodate the received tube 2 in the tube seating portion ( A second under guide (31d) is provided so as to fall to the 41) heat exchanger automatic assembly device. The method of claim 2, The upper width (w1) of the first tube picket (31a) and the second tube picket (31c) is a heat exchanger automatic assembly device, characterized in that wider than the lower width (w2). The method of claim 1, The core compression portion 45 is coupled to each of the tube seating portion 41 and two guide shafts 45a for guiding the space between the tube seating portions 41 to be moved broadly or narrowly, and the guide shaft. Links 45b, which are located between 45a and connecting the tube seats 41 to each other, and the heat exchanger core 3 in the stacking direction in contact with fins located at the outermost side of the stacked heat exchanger cores 3. And a cylinder rod (45d) for driving the piston rod (45c) and the piston rod (45c) to be compressed. 5. The method of claim 4, The link 45b is a first link 45b 'connecting the center of the tube seat 41 to each other, and two second links 45b "connecting both sides of the tube seat 41 to each other. Heat exchanger assembly, characterized in that consisting of. The method of claim 1, The tube seating portion 41 closes the space between the tube seating portions 41 to prevent the pin 1 interposed between the tubes 2 from being inserted into the space between the tube seating portions 41. Heat exchanger assembly, characterized in that the pinned projection (41a) is formed to protrude to the outside of the tube seating portion. The method of claim 1, And an open fin pusher entry guide (43a) formed at an end of the fin guide (43) in the direction in which the fin pusher (44) enters so as to enter a lower portion of the fin pusher (44). The method of claim 1, When the pin tray 22 of the pin supply unit 20 is stacked, a pin tray storage unit 24 for transporting and storing the pin tray 22 in which the pin 1 is stored is further provided. Assembly device.

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