JP2007303765A - Fin installing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fin installing device, improving the installing speed. <P>SOLUTION: This fin installing device for installing a fin 20 between a plurality of tubes 10 arranged includes: a tube carrying part 110 for intermittently carrying the tube 10 to one side in the array direction; a first fin storing part 120 provided above the tube carrying part 110, storing a plurality of tubes 20 parallel to each other and slidable in the array direction of the tubes; a second fin storing part 130; a fin throw-in switching part 140 for throwing the sequentially formed fins 20 in the first and second fin storing parts 120, 130 switched from each other by two or more fins alternately; and fin push-off parts 161, 162 for pushing the two or more fins 20 stored by each of the first and second fin storing parts 120, 130 at the same time to the tube 10 side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fin assembling apparatus for assembling fins to a tube in a core portion of a heat exchanger.

  As a conventional fin assembling apparatus, for example, a drum type as shown in FIG. 4 is known. The drum 200 is provided with a plurality of concave portions 210 extending in the axial direction in the circumferential direction. And the tube 10 and the fin 20 are thrown into this recessed part 210, and the tube 10 and the fin 20 of the lower position are discharged | emitted to the alignment part 220 with rotation of the drum 200, and the tube 10 and the fin 20 are removed. They are arranged alternately.

  In the drum type as described above, the tube 10 and the fins 20 are discharged to the alignment unit 220 one by one. Therefore, in order to improve the assembling speed, the rotational speed of the drum 200 is increased. There is a need to raise it. However, the drum 200 tends to be large in consideration of the housing efficiency of the tube 10 and the fins 20, and the mass increases accordingly, and there is a limit to increase the rotation speed. That is, there is a limit to improving the assembly speed of the tube 10 and the fin 20.

  In view of the above problems, an object of the present invention is to provide a fin assembling apparatus that can improve the assembling speed.

  In order to achieve the above object, the present invention employs the following technical means.

  The invention according to claim 1 is a fin assembling apparatus for assembling fins (20) between a plurality of arranged tubes (10), wherein the tubes (10) are intermittently moved to one side in the arrangement direction. The tube transporting part (110) for transporting the first part and the tube transporting part (110) are provided on the upper side, accommodates a plurality of fins (20) in parallel, and is slidable in the arrangement direction of the tubes (10). 1 fin accommodating part (120) and the upper side of the tube conveying part (110), provided adjacent to the first fin accommodating part (120), and accommodates a plurality of fins (20) in parallel and a tube (10 The second fin housing part (130) slidable in the direction of arrangement) and the sequentially formed fins (20) are alternately switched into the first and second fin housing parts (120, 130). Fin insertion switching part 140) and fin projecting portions (161, 162) for projecting the plurality of fins (20) accommodated simultaneously into the tube (10) side for each of the first and second fin housing portions (120, 130). It is characterized by having.

  Thereby, the 1st and 2nd fin accommodating part (120,130) can be formed, for example as a simple case shape, and it becomes easy to set the speed which slides it arbitrarily. And by the fin insertion switching part (140), the fin (20) can be thrown into the first and second fin housing parts (120, 130) in accordance with the molding speed of the fin (20). And after that, a plurality of fins (20) are simultaneously pushed down to the tube (10) side for each of the first and second fin housing portions (120, 130), thereby forming a single fin (20). Since the fin (20) can be assembled to the tube (10) side at a speed commensurate with the above, the assembling speed can be improved with respect to the drum type.

  In the invention according to claim 2, the length of the fins (20) inserted into the first and second fin housing portions (120, 130) is set to the length of the first and second fin housing portions (120, 130). ) Is provided with fin length adjusting sections (151 and 152) for simultaneous adjustment.

  Thereby, the assembly | attachment of a fin (20) is attained, without increasing the adjustment process time of every fin (20).

  In addition, the code | symbol in the bracket | parenthesis of each said means shows a corresponding relationship with the specific means of embodiment description mentioned later.

(First embodiment)
Hereinafter, the fin assembly apparatus 100 according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing the entire fin assembling apparatus 100, and FIG. 2 is a plan view showing the vicinity of the fin insertion switching chute 140.

  First, the tube 10 and the fin 20 handled by the fin assembling apparatus 100 will be briefly described. The tube 10 and the fin 20 here are members that form a heat exchange part of the heat exchanger, and are formed from aluminum or an aluminum alloy. As the heat exchanger, for example, an intercooler that cools intake air taken into the vehicle engine with external air can be selected.

  The tube 10 is a flat tube member in which a thin strip is bent along the longitudinal direction thereof, ends thereof are joined together by welding or the like, and a cross section perpendicular to the longitudinal direction is formed in a flat shape, not shown. Molded by a tube molding machine. Further, the fin 20 is a heat radiating member continuously formed into a waveform by roller processing from a thin strip plate material and cut into a predetermined length (a predetermined number of ridges), and is formed by a fin molding machine (not shown).

  The fin assembling apparatus 100 is an apparatus for assembling with fins 20 interposed between a plurality of tubes 10 arranged so that the long sides of the flat cross section face each other. As shown in FIG. 1, the fin assembling apparatus 100 includes a tube transport unit 110, a first fin case 120, a second fin case 130, a fin insertion switching chute 140, first and second fin contraction plates 151, 152, 1. It has the 2nd fin protrusion part 161,162.

  The tube conveying unit 110 conveys a plurality of tubes 10 arranged in parallel at a predetermined interval (tube pitch) so that the long side of the flat cross section of the tube 10 formed by a tube forming machine (not shown) faces the vertical direction. It has tube screws 111 and 112. Each of the tube screws 111 and 112 is a shaft member in which a spiral groove (not shown) is formed on the surface. The tube screws 111 and 112 are separated by a distance corresponding to the length of the tube 10 and are opposed to each other in the longitudinal direction. It is arranged like this. Since the fins 20 are interposed between the tubes 10 arranged in parallel as described later, the tube pitch is determined as a dimension that allows the fins 20 to intervene. The pitch of the spiral grooves of the tube screws 111 and 112 is determined.

  Both tube screws 111 and 112 are driven to rotate intermittently by a servo motor (not shown). When the tube 10 is inserted between the tube screws 111 and 112, the longitudinal ends of the tubes 10 are inserted into the spiral grooves of the tube screws 111 and 112, and the tube screws 111 and 112 are rotated. The tubes 10 are conveyed from the left side to the right side in FIG. Moreover, when rotation of both the tube screws 111 and 112 is stopped, the tube 10 will be in a stop state with the attitude | position arranged.

  The 1st fin case 120 respond | corresponds to the 1st fin accommodating part of this invention, and fins 20 are arranged so that the ridgeline of the peak (corrugated) of several (here 2 pieces) fins 20 may face an up-down direction. The case can be accommodated in parallel. The first fin case 120 is formed such that the front and back surfaces of a plurality of (here, three) plate-like members are arranged in parallel so as to face each other, and in a space formed between the plate-like members. A total of two fins 20 are accommodated one by one. A fin shutter 121 (see FIG. 3) is provided on the lower side of the first fin case 120, and slides in the direction in which the plate-like members of the first fin case 120 are arranged, so that the space between the plate-like members is reduced. It can be opened and closed.

  The first fin case 120 is arranged on the upper side of the tube conveyance unit 110, more specifically, the tube conveyance unit so that the longitudinal direction of the plate-like member is aligned with the longitudinal direction of the tube 10 in the tube conveyance unit 110. 110 is arranged on the upper side of the tube 10 and is slidable in the tube arrangement direction (left-right direction in FIG. 1) by a servo motor (not shown).

  The second fin case 130 corresponds to the second fin housing portion of the present invention, has the same structure as the first fin case 120, and can open and close the space between the plate-like members on the lower side. The fin shutter 131 is disposed on the upper side of the tube conveying unit 110 (upper side of the tube 10) so as to be adjacent to the first fin case 120, and is arranged in the tube arrangement direction (left and right in FIG. 1) by a servo motor (not shown). Direction).

  A fin insertion switching chute (hereinafter referred to as a fin chute) 140 corresponds to the fin insertion switching portion of the present invention, and the fins 20 that are sequentially formed by a fin molding machine (not shown) are formed into the first and second fin cases 120 and 130. The first and second fin cases 120 and 130 are disposed so as to face one end side in the longitudinal direction.

  As shown in FIG. 2, the fin chute 140 is formed by forming a first chute portion 141 and a second chute portion 142 as grooves that allow the fin 20 to pass through the block member. 142 is provided so as to face the longitudinal direction of the first and second fin cases 120 and 130 and to expand toward the first and second fin cases 120 and 130.

  The tube chute 140 is slidable in the tube arrangement direction (left and right direction in FIG. 1, up and down direction in FIG. 2) by an air cylinder or the like (not shown), and the position of one end side of the first chute portion 141 is a fin. When it coincides with the insertion side of 20, the other end side faces the first fin case 120 side (FIG. 2 (a)). Moreover, when the position of the one end side of the 2nd chute part 142 corresponds with the insertion side of the fin 20, the other end side opposes the 2nd fin case 130 side (FIG.2 (b)).

  The first and second fin contraction plates 151 and 152 correspond to the fin length adjusting section of the present invention, and are disposed on the anti-fin chute side of the first and second fin cases 120 and 130, respectively. The first and second fin contraction plates 151 and 152 are arranged in parallel so that the front and back surfaces of the plurality of plate-like members face each other and the longitudinal direction is along the longitudinal direction of the first and second fin cases 120 and 130. Are arranged side by side. The first and second fin contraction plates 151 and 152 can be slid independently in the longitudinal direction of the first and second fin cases 120 and 130 by a servo motor (not shown). Is capable of reciprocating in the space between the first and second fin cases 120, 130.

  The first and second fin projecting portions 161 and 162 are disposed above the first and second fin cases 120 and 130, respectively. The first and second fin projecting portions 161 and 162 are arranged such that the front and back surfaces of the plurality of plate-like members are opposed to each other and the longitudinal direction is along the longitudinal direction of the first and second fin cases 120 and 130. They are arranged in parallel. The first and second fin projecting portions 161 and 162 can be slid independently in the vertical direction by a servo motor (not shown), and the respective plate-like members are the first and second fin cases 120, It can reciprocate in 130 spaces.

  Next, the operation of the fin assembling apparatus 100 based on the above configuration will be described with reference to FIG. In FIG. 3, the fins 20 are described with reference numerals 21 to 27 in order to facilitate understanding of the insertion and assembly state of the fins 20.

  First, as shown to Fig.3 (a), the tube 10 is conveyed by the tube conveyance part 110 from the left side in Fig.3 (a) to the lower side of the 1st fin case 120, and is maintained in the stop state. The position of the fin chute 140 is switched so that the first chute portion 141 of the fin chute 140 faces the first fin case 120 side, and the fin shutters 121 and 131 are located below the first and second fin cases 120 and 130. To close. In this state, the fin 21 passes through the first chute portion 141 and is thrown into the first space of the first fin case 120.

  Subsequently, as shown in FIG. 3B, the first and second fin cases 120 and 130 are moved in the rearward direction of the tube arrangement (left direction in FIG. 3), and the fins 22 pass through the first chute portion 141. The first fin case 120 is inserted into the second space.

  Subsequently, as shown in FIG. 3C, the first and second fin cases 120 and 130 are moved in the rearward direction of the tube arrangement, and the first fin contraction plate 151 is moved into the first fin case 120. Then, the fins 21 and 22 are simultaneously compressed to adjust the length of the fins 21 and 22 to a predetermined length. Then, the position of the fin chute 140 is switched so that the second chute portion 142 of the fin chute 140 faces the second fin case 120, and the fin 23 passes through the second chute portion 142 and passes through the first fin case 130. It is thrown into the space.

  Subsequently, as shown in FIG. 3 (d), the fin shutter 121 opens the lower side of the first fin case 120 and the first fin projecting portion 161 is lowered, so that the fins 21 and 22 are simultaneously attached to the tube 10. Be dropped in between. Further, the second fin case 130 is moved in the tube arrangement front direction (right direction in FIG. 3), and the fin 24 passes through the second chute portion 142 and is inserted into the second space of the second fin case 130. The

  Subsequently, as shown in FIG. 3 (e), two tubes 10 are conveyed in the tube arrangement front direction by the tube conveying unit 110 and maintained in a stopped state. The position of the fin chute 140 is switched so that the first chute portion 141 of the fin chute 140 faces the first fin case 120, and the fin shutter 121 closes the lower side of the first fin case 120. In addition, the first and second fin cases 120 and 130 are moved in the forward direction of the tube arrangement, and the fins 25 are inserted into the first space of the first fin case 120 through the first chute portion 141. Further, the second fin contraction plate 152 moves into the second fin case 130 and simultaneously compresses the fins 23 and 24, thereby adjusting the lengths of the fins 23 and 24 to a predetermined length.

  Subsequently, as shown in FIG. 3 (f), the first fin case 120 is moved in the rearward direction of the tube arrangement, and the fin 26 passes through the first chute portion 141 and enters the second space of the first fin case 120. It is thrown in. Then, the fin shutter 131 opens the lower side of the second fin case 130 and the second fin projecting portion 162 descends, so that the fins 23 and 24 are simultaneously dropped between the tubes 10. At this time, the fins 21 to 24 that have been pushed out from the first and second fin cases 120 and 130 are assembled to the tube 10.

  And as shown in FIG.3 (g), the tube 10 is conveyed by the tube conveyance part 110 by 2 in the tube array front direction, and is maintained in the stop state. Further, the first and second fin cases 120 and 130 are moved rearward in the tube arrangement direction, and the first fin contraction plate 151 is moved into the first fin case 120 to simultaneously compress the fins 25 and 26. Thus, the length of the fins 25 and 26 is adjusted to a predetermined length. Then, the position of the fin chute 140 is switched so that the second chute portion 142 of the fin chute 140 faces the second fin case 120 side, and the fin 27 passes through the second chute portion 142 and passes through the first fin case 130. It is thrown into the space.

  Thereafter, by repeating FIG. 3D to FIG. 3G, two fins 20 are alternately pushed out from the first and second fin cases 120 and 130 into the tube 10 and assembled to the tube 10. The attachment is made.

  As described above, in the fin assembling apparatus 100 of this embodiment, the first and second fin cases 120 and 130 can be formed as simple ones, and the sliding speed can be easily set arbitrarily. . And by switching the position of the fin chute | shoot 140, the fin 20 can be thrown into the 1st, 2nd fin cases 120 and 130 according to the shaping | molding speed of the fin 20. FIG. After that, a plurality of (herein, two) fins 20 are simultaneously pushed down on the tube 10 side for each of the first and second fin cases 120 and 130 to meet the molding speed of one fin 20. Since the fin 20 can be assembled to the tube 10 side at a speed, the assembling speed can be improved with respect to the drum type described in the prior art.

  In addition, since the first and second fin crimping plates 151 and 152 for simultaneously adjusting the length of the fin 20 are provided for each of the first and second fin cases 120 and 130, the adjustment of the fins 20 for each one is performed. The fins 20 can be assembled without increasing the processing time.

  Further, the lengths of the fins 20 are different by changing the tip positions (the amount of movement into the space) of the first and second fin contraction plates 151 and 152 with respect to the first and second fin cases 120 and 130. It is possible to cope with specifications, and it is possible to eliminate the trouble of manual setup by the operator.

(Other embodiments)
In the first embodiment, as the fin insertion switching portion, the block member is provided with the first and second chute portions 141 and 142, and the block member is slid to switch the fin 20 in. Instead of this, it is assumed that the input switching is performed by forming an input passage branching from the fin molding machine side to the first and second fin cases 120 and 130 and providing a lever that rotates at the branch portion. Also good.

It is a perspective view which shows the whole fin assembly apparatus. It is a top view which shows the vicinity of a fin insertion switching chute. It is a side view which shows the assembly | attachment state of the fin with respect to a tube. It is a front view which shows the drum type fin assembly apparatus of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Tube 20 Fin 100 Fin assembly apparatus 110 Tube conveyance part 120 1st fin case (1st fin accommodating part)
130 2nd fin case (2nd fin accommodating part)
140 Fin insertion switching chute (fin insertion switching part)
151, 152 First and second fin shrink plates (fin length adjusting portion)
161, 162 First and second fin protruding parts

Claims (2)

A fin assembly device for assembling a fin (20) between a plurality of tubes (10),
A tube transport section (110) for transporting the tube (10) intermittently to one side in the arrangement direction;
A first fin housing part (120) which is provided on the upper side of the tube conveying part (110) and accommodates a plurality of the fins (20) in parallel, and is slidable in the arrangement direction of the tubes (10);
Provided adjacent to the first fin housing part (120) on the upper side of the tube conveying part (110), accommodates a plurality of the fins (20) in parallel, and in the arrangement direction of the tubes (10). A slidable second fin housing (130);
A fin insertion switching unit (140) for alternately switching a plurality of the fins (20) that are sequentially molded into the first and second fin housing units (120, 130);
For each of the first and second fin housing portions (120, 130), fin projecting portions (161, 162) for projecting the accommodated plurality of fins (20) to the tube (10) side simultaneously. A fin assembling apparatus comprising:   The lengths of the plurality of fins (20) respectively inserted into the first and second fin housing parts (120, 130) are simultaneously adjusted for each of the first and second fin housing parts (120, 130). The fin assembly apparatus according to claim 1, further comprising a fin length adjusting unit (151, 152).

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