JP2016046139A - Apparatus for manufacturing battery module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery module manufacturing apparatus that performs relative positioning between a battery body and a bracket.SOLUTION: A positioning jig 60 has a first wall portion 71, and a second wall portion 81 provided to confront the first wall portion 71. The second wall portion 81 is provided to be movable in such a direction as to approach to or separate from the first wall portion 71. Positioning faces 72, 73 which are concave in the thickness direction are provided to both the ends in the longitudinal direction of the first wall portion 71. At the first wall portion 71, a magnet 74 as a fixing piece is buried at the portion where each positioning face 72, 73 is provided. A protrusion face 75 which protrudes to the second wall portion 81 more greatly than the first positioning face 72 and the second positioning face 73 is provided between the first positioning face 72 and the second positioning face 73. The second wall portion 81 has a compartment face 82 for comparting an area for arranging a battery cell and a heat transfer plate side by side on the confronting face to the protrusion face 75 between the compartment face 82 and the protrusion face 75.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a battery module manufacturing apparatus having a positioning jig for performing relative positioning between a battery body and a bracket.

  For example, Patent Document 1 discloses an apparatus for manufacturing a battery module in which a plurality of battery cells are arranged side by side, and brackets provided at both ends of the battery cells in the direction in which the battery cells are arranged and battery cells are integrated.

  In the manufacturing apparatus described in Patent Document 1, a plurality of battery cells are arranged side by side, and brackets arranged at both ends thereof are positioned. And the bracket and battery cell are integrated by restraining the brackets provided in the both ends of the parallel arrangement direction of a battery cell by a restraint band.

JP 2012-28032 A

By the way, when the battery body in which a plurality of battery cells are arranged in parallel and the bracket are integrated, it is necessary to relatively position the battery body and the bracket.
The objective of this invention is providing the manufacturing apparatus of the battery module which can perform relative positioning with a battery body and a bracket.

  An apparatus for manufacturing a battery module that solves the above problems is provided in parallel to at least one battery cell among a plurality of battery cells arranged in parallel and the plurality of battery cells, and heat absorbed from the battery cells is used as a member to be fixed. A battery body having a heat transfer plate provided with a heat dissipating part that emits heat through a heat conducting member, and provided on both sides of the battery cell in a parallel arrangement direction to sandwich the battery body and fix to the fixed member An apparatus for manufacturing a battery module, comprising: a first bracket and a second bracket having a fixed portion; and a battery member, and a restraining member that integrates the first bracket and the second bracket. And a positioning jig for positioning the fixing portion, the positioning jig facing a first wall portion having a positioning surface for positioning the fixing portion, and the first wall portion. And a second wall portion that is movable toward or away from the positioning surface, and a fixing member that fixes the first bracket and the second bracket to the positioning surface. The wall portion has a protruding surface that protrudes toward the second wall portion from the positioning surface and positions the heat radiating portion, and the second wall portion has a surface facing the protruding surface, It has a section screen which divides a field for arranging a plurality of battery cells and the heat transfer plate along the projecting surface between the projecting surfaces.

  According to this, when the battery cell and the heat transfer plate are arranged side by side, the first screen is displayed to a position where the movement of the battery cell and the heat transfer plate in the opposing direction of the first wall portion and the second wall portion can be regulated. Close to the wall. And a battery cell and a heat-transfer plate are juxtaposed in the area | region divided between the protrusion surface and the division screen. Moreover, the fixing portion of each bracket is fixed by a fixing tool in a state of being positioned by the positioning surface. Since the protruding surface protrudes toward the second wall portion from the positioning surface, when the battery body and the bracket are integrated in a state where the heat radiating portion is positioned by the protruding surface and the fixing portion is positioned by the positioning surface, respectively. The battery body and the bracket are integrated with the fixing portion protruding from the heat radiating portion. For this reason, when fixing the battery module which integrated the battery body and the bracket to the to-be-fixed member, the area | region for providing a heat conductive member between a thermal radiation part and a to-be-fixed member can be provided. By projecting the projecting surface beyond the positioning surface, relative positioning of the battery body and the bracket can be achieved even when the battery body and the bracket are integrated with the fixed part projecting from the heat radiating part. It can be carried out.

  About the manufacturing apparatus of the said battery module, it is preferable that the resin mounting base in which the said battery body is mounted is provided between the said 1st wall part and the said 2nd wall part. According to this, the battery module which integrated the battery body and each bracket can be slid on the mounting table. Therefore, it is easy to move the battery module after integrating the battery body and each bracket.

  In the battery module manufacturing apparatus, the fixture is preferably a magnet provided on the positioning surface. According to this, the bracket can be easily fixed.

  According to the present invention, the battery body and the bracket can be relatively positioned.

The perspective view which shows the battery module accommodated in the housing | casing. The perspective view which shows a battery cell, a heat-transfer plate, a battery holder, a 1st bracket, and a 2nd bracket. Sectional drawing which shows the battery module accommodated in the housing | casing. The perspective view which shows the manufacturing apparatus of a battery module. The top view which shows the manufacturing apparatus of a battery module. Sectional drawing which shows a movable member. The top view which shows the state of the manufacturing apparatus of a battery module when arranging a battery cell and a heat-transfer plate in parallel. The top view which shows the manufacturing apparatus of the battery module of a modification.

Hereinafter, an embodiment of a battery module manufacturing apparatus will be described.
As shown in FIG.1 and FIG.2, the battery module 10 is accommodated in the housing | casing 13 as a to-be-fixed member. The battery module 10 has a battery body 11. The battery body 11 is configured by arranging a plurality of battery cells 21 and heat transfer plates 30 held in the battery holder 40 in parallel. The battery body 11 is sandwiched between a metal first bracket 51 and a metal second bracket 52 provided on both sides of the battery cells 21 in the juxtaposed direction. The elastic member 12 is provided between the second bracket 52 and the battery body 11.

  The battery cell 21 has an electrode assembly 23 inside the case 22. The case 22 is configured by closing the opening of a bottomed cylindrical main body 24 that houses the electrode assembly 23 with a lid 25. The electrode assembly 23 has a separator interposed between positive and negative electrodes.

  The heat transfer plate 30 is formed by bending a metal plate material into an L shape. The heat transfer plate 30 includes a rectangular flat plate-like heat absorbing portion 31 and a heat radiating portion 32 extending from one end in the longitudinal direction of the heat absorbing portion 31 in the thickness direction of the heat absorbing portion 31.

  The battery holder 40 has a rectangular flat plate-shaped first covering wall 41. A rectangular flat plate-like second covering wall 42 and a third covering wall 43 extending in the thickness direction of the first covering wall 41 are provided at both longitudinal ends of the first covering wall 41. A region surrounded by the first covering wall 41, the second covering wall 42, and the third covering wall 43 serves as a storage portion S in which the battery cell 21 is stored.

  In the second covering wall 42, the first covering wall 41 is provided in the longitudinal first end 42 a that is the end opposite to the end provided with the first covering wall 41 and the third covering wall 43. A rectangular flat plate-shaped fourth end extending between the first end portions 42b and 43b in the short direction of the respective covering walls 42 and 43 is formed on the first end portion 43a in the longitudinal direction, which is the end portion on the opposite side to the formed end portion. A covering wall 44 is provided. The thickness direction of the fourth covering wall 44 coincides with the short direction of the covering walls 42 and 43, and the longitudinal direction thereof coincides with the opposing direction of the second covering wall 42 and the third covering wall 43. A direction perpendicular to the thickness direction and the longitudinal direction of the fourth covering wall 44 is the short direction of the fourth covering wall 44.

  In addition, a terminal accommodating portion 45 that is U-shaped and opens in the thickness direction of the fourth covering wall 44 on one end face in the short direction of the fourth covering wall 44 at both longitudinal ends of the fourth covering wall 44. Each terminal accommodating portion 45 is connected to the second covering wall 42 and the third covering wall 43.

  On one end surface of the fourth covering wall 44 in the short direction, a quadrangular columnar column portion 46 is provided adjacent to the terminal accommodating portion 45. The axis of the column portion 46 extends in the short direction of the covering walls 42 and 43. The column portion 46 is provided with an insertion hole 46 a penetrating in the axial direction of the column portion 46.

  The first end portions 42 a and 43 a in the longitudinal direction of the second covering wall 42 and the third covering wall 43 are connected to the covering walls 42 and 43 and have a rectangular flat plate shape extending in the longitudinal direction of the covering walls 42 and 43. A protruding wall 47 is provided.

  In addition, columnar leg portions 48 are provided at the second end portions 42 c and 43 c in the longitudinal direction of the second covering wall 42 and the third covering wall 43. The axis of the leg portion 48 extends in the short direction of the covering walls 42 and 43. The leg portion 48 is provided with an insertion hole 48 a penetrating in the axial direction of the leg portion 48.

  The battery cell 21 is accommodated in the accommodating portion S of the battery holder 40. And the heat-transfer plate 30 is provided so that the heat absorption part 31 may adjoin the battery cell 21, and the heat radiation part 32 may cover the surface on the opposite side to the accommodating part S among the surfaces of the thickness direction of the 3rd coating wall 43. Yes. The battery cell 21 and the heat transfer plate 30 are bonded by an adhesive sheet (not shown).

  The first bracket 51 that sandwiches the battery body 11 includes a rectangular flat plate-like base portion 53 and a fixing portion 54 that extends from one end portion of the base portion 53. Four bolt insertion portions 55 protrude from the base portion 53. Two bolt insertion portions 55 are provided at each of two end portions that intersect the end portion where the fixing portion 54 is provided. The bolt insertion portion 55 is provided with an insertion hole 56 that penetrates in the thickness direction.

  The base 53 has a dimension between an end provided with the fixing portion 54 and an end opposite to the end in the thickness direction of the second covering wall 42 of the battery holder 40 and the accommodating portion S. Is longer than the dimension from the surface on the opposite side to the surface on the opposite side to the accommodating portion S of both surfaces in the thickness direction of the third covering wall 43.

  The fixed portion 54 intersects the base portion 53 at a right angle. Two fixing holes 58 are provided in the fixing portion 54. The second bracket 52 has the same configuration as the first bracket 51 except that the extending direction of the fixing portion 54 is different. The fixing portion 54 of the second bracket 52 extends in the direction opposite to the fixing portion 54 of the first bracket 51. Therefore, in the first bracket 51 and the second bracket 52, the fixing portion 54 extends in a direction different from the thickness direction of the base portion 53.

  In the battery body 11 and the brackets 51 and 52, the bolt B1 inserted through the insertion hole 56 of the first bracket 51, the insertion holes 46a and 48a of the battery holder 40 and the insertion hole 56 of the second bracket 52 is screwed into the nut N1. By being combined, they are integrated. Therefore, the bolt B1 and the nut N1 function as a restraining member that integrates the battery body 11 and the brackets 51 and 52 together.

  As shown in FIG. 3, each bracket 51, 52 has an end portion provided with a fixing portion 54 of the base portion 53, and an end portion opposite to the end portion provided with the fixing portion 54, rather than the battery body 11. The second covering wall 42 and the third covering wall 43 are provided so as to protrude in the facing direction. The fixing portion 54 protrudes in the opposing direction of the second covering wall 42 and the third covering wall 43 from the heat radiating portion 32. The end portion of each bracket 51, 52 that faces the end portion where the fixing portion 54 is provided protrudes in the opposing direction of the second covering wall 42 and the third covering wall 43 rather than the second covering wall 42. . When a portion protruding from the second covering wall 42 is a protruding portion 57, the protruding portion 57 is provided with a retaining hole 59 penetrating in the thickness direction.

  As described above, in the battery module 10 in which the battery body 11 and the brackets 51 and 52 are integrated, the fixing portion 54 is disposed toward the opposing direction of the second covering wall 42 and the third covering wall 43. It protrudes from 32.

  The battery module 10 is fixed to the wall surface 14 of the housing 13. When the battery module 10 is housed in the housing 13, a hanging tool is hooked in the retaining hole 59 provided in the protruding portion 57, and the battery module 10 is housed in the housing 13 by a crane device or the like.

  The battery module 10 is disposed such that the fixing portion 54 and the heat radiating portion 32 face the wall surface 14 of the housing 13. Since the fixing portion 54 protrudes from the heat radiating portion 32, the surface facing the wall surface 14 of the fixing portion 54 is provided closer to the wall surface 14 than the surface facing the wall surface 14 of the heat radiating portion 32. The facing surface of the fixing portion 54 facing the wall surface 14 is in contact with the wall surface 14, and the facing surface of the heat radiating portion 32 facing the wall surface 14 is separated from the wall surface 14.

  A fixing bolt B2 for fixing the battery module 10 to the wall surface 14 is inserted into the fixing hole 58 of the fixing portion 54, and the battery module 10 is fixed to the wall surface 14 by screwing the fixing bolt B2 into the housing 13. ing.

  A heat conduction member 15 (thermal interface material) is interposed between the heat radiation part 32 of the battery module 10 and the wall surface 14. The heat conducting member 15 is deformed to fill a gap between the heat radiating portion 32 and the wall surface 14 and promote heat conduction from the heat radiating portion 32 of the battery cell 21 absorbed by the heat absorbing portion 31 to the housing 13. It is a member to do. Since the fixing portion 54 is provided so as to protrude from the heat radiating portion 32, a region where the heat conducting member 15 is provided is partitioned between the heat radiating portion 32 and the wall surface 14.

Next, a method for integrating the battery body 11 and the brackets 51 and 52 will be described.
As shown in FIG. 4, when the battery body 11 and the brackets 51 and 52 are integrated, a battery module manufacturing apparatus 67 is used. The battery module manufacturing apparatus 67 includes a U-shaped pedestal 61 and a positioning jig 60 provided on the pedestal 61. Then, in a state where the battery body 11 and the brackets 51 and 52 are positioned by the positioning jig 60, the battery body 11 and the brackets 51 and 52 are integrated by the bolt B1 and the nut N1.

  The pedestal 61 includes a rectangular plate-shaped bottom 62, and a first standing wall 63 and a second standing wall 64 erected from a pair of opposite ends of the bottom 62. In this embodiment, the 1st standing wall 63 and the 2nd standing wall 64 are standingly arranged from the edge part of the transversal direction. The pedestal 61 is made of metal.

  The bottom 62 is provided with a pair of ends different from the ends provided with the first standing wall 63 and the second standing wall 64, that is, a mounting table 65 extending between the longitudinal ends. Yes. Two mounting tables 65 are provided side by side in the short direction of the bottom 62.

  In the first standing wall 63, the first wall portion 71 is fixed to the surface facing the second standing wall 64. The second standing wall 64 is provided with a second wall portion 81 provided to face the first wall portion 71. The first wall portion 71 and the second wall portion 81 are provided with the mounting table 65 interposed therebetween. That is, the mounting table 65 is provided between the first wall portion 71 and the second wall portion 81. The mounting table 65, the first wall portion 71, and the second wall portion 81 are made of resin, and as the resin, for example, a fluorine-based resin or a nylon resin is used.

  The first wall portion 71 has a rectangular plate shape, and is provided such that the longitudinal direction thereof coincides with the longitudinal direction of the first standing wall 63 and the lateral direction thereof coincides with the lateral direction of the first standing wall 63. ing. The longitudinal dimension of the first wall 71 is the same as the longitudinal dimension of the first standing wall 63. The dimension in the short direction of the first wall portion 71 is shorter than the dimension in the short direction of the first standing wall 63. Positioning surfaces 72 and 73 that are recessed in the thickness direction are provided at both longitudinal ends of the first wall portion 71. Of the two positioning surfaces 72 and 73, one first positioning surface 72 has a longer dimension in the longitudinal direction of the first wall 71 than the other second positioning surface 73. Further, the dimension in the longitudinal direction of the first wall 71 of each positioning surface 72, 73 is longer than the dimension in the short direction of the fixed part 54. In the first wall portion 71, a magnet 74 as a fixture is embedded in a portion where the positioning surfaces 72 and 73 are provided. A permanent magnet is used as the magnet 74. Between the first positioning surface 72 and the second positioning surface 73, that is, at the center of the first wall portion 71, the first positioning surface 72 and the second positioning surface 73 protrude toward the second wall portion 81. A protruding surface 75 is provided.

  The second wall portion 81 has a rectangular plate shape, and the dimension in the longitudinal direction is shorter than the dimension in the longitudinal direction of the first wall portion 71. The second wall portion 81 is provided to face the protruding surface 75. The second wall portion 81 is supported by the second standing wall 64 by a movable member 91 that supports the second wall portion 81 so as to be movable in a direction approaching or separating from the first wall portion 71. The entire surface of the second wall 81 facing the protruding surface 75 is a partition screen 82 for partitioning a region for arranging the battery cell 21 and the heat transfer plate 30 between the protruding surface 75. Yes.

  As shown in FIGS. 5 and 6, the movable member 91 includes a shaft 92 that is inserted through a through hole 66 provided in the second standing wall 64, and a support member 93 that supports the shaft 92. . The support member 93 includes a cylindrical support portion 94 and a flange 95 provided at the first axial end portion 94 a of the support portion 94. The support portion 94 has a guide hole 96 extending from the end face of the second axial end portion 94b toward the first axial end portion 94a and extending in the circumferential direction before reaching the first axial end portion 94a. Is provided. The guide hole 96 penetrates the peripheral wall in the radial direction and communicates with a support hole 97 provided in the support portion 94.

  The shaft 92 is inserted through the support hole 97 of the support portion 94 and the through hole 66 of the second standing wall 64. The tip of the shaft 92 is in contact with a plate material 83 fixed to the second wall portion 81. The shaft 92 is provided with a shaft portion 98 protruding from the tip. The shaft portion 98 is inserted into the hole 85 provided in the second wall portion 81 through the hole 84 provided in the plate member 83. A bearing 86 is disposed in the hole 85, and the shaft portion 98 is inserted into the bearing 86. The tip end of the shaft portion 98 is fixed to a fixing plate 87 fixed to the second wall portion 81.

  A protrusion 99 is provided on the outer peripheral surface of the shaft 92. The protrusion 99 is inserted into the guide hole 96 and moves in the guide hole 96. Since the movement of the shaft 92 is regulated by the contact between the protrusion 99 and the inner surface of the guide hole 96, the shaft 92 can move within a movable range of the protrusion 99 within the guide hole 96. By moving the shaft 92 in the axial direction, the second wall portion 81 moves in a direction approaching or separating from the first wall portion 71.

  As shown in FIG. 7, when the battery body 11 and the brackets 51 and 52 are integrated, first, the shaft 92 is pressed toward the first wall portion 71, so that the second wall portion 81 is moved to the first wall. Move closer to unit 71. The shaft 92 can be pressed until the protrusion 99 contacts the inner surface of the guide hole 96 in the axial direction of the support portion 94. When the battery body 11 and the brackets 51 and 52 are integrated, the protrusion 99 is guided to the guide hole 96. The shaft 92 is pressed until it comes into contact with the inner surface of the support portion 94 in the axial direction. At this time, the distance between the projecting surface 75 and the partition screen 82 is slightly larger than the dimension between the heat radiation part 32 and the second covering wall 42 in the battery body 11. After pressing the shaft 92 until the projection 99 abuts against the inner surface of the guide hole 96 in the axial direction of the support portion 94, the shaft 92 is rotated to a portion extending in the circumferential direction of the support portion 94 in the guide hole 96. The protrusion 99 is positioned. Thereby, the movement of the 2nd wall part 81 is controlled.

Then, the first bracket 51 is positioned according to the first positioning surface 72. The first bracket 51 is fixed to the first positioning surface 72 by the magnetic force of the magnet 74.
Next, the battery cell 21 and the heat transfer plate 30 are inserted into a region partitioned between the first wall portion 71 and the second wall portion 81 while being held by the battery holder 40. The battery cell 21 and the heat transfer plate 30 are inserted along the protruding surface 75 toward the first bracket 51. The heat transfer plate 30 is inserted so that the heat radiating portion 32 and the protruding surface 75 face each other, and the heat radiating portion 32 is positioned along the protruding surface 75. When the battery cell 21 and the heat transfer plate 30 are arranged side by side, the battery cell 21 and the heat transfer plate 30 are bonded to each other by an adhesive sheet (not shown). And the battery body 11 is comprised by inserting all the battery cells 21 and the heat-transfer plate 30 between the 1st wall part 71 and the 2nd wall part 81. FIG. Thereafter, the elastic member 12 is bonded to the battery body 11 with an adhesive sheet.

Next, the second bracket 52 is positioned according to the second positioning surface 73. The second bracket 52 is fixed to the second positioning surface 73 by the magnetic force of the magnet 74.
The first bracket 51 and the second bracket 52 are fixed by a magnet 74 in a state where the fixing portion 54 is in contact with the positioning surface 72. Further, the battery cell 21 and the heat transfer plate 30 are restricted from moving in the opposing direction of the first wall portion 71 and the second wall portion 81 by the section screen 82 in a state where the heat radiation portion 32 is in contact with the protruding surface 75. .

  In this state, the bolt B1 is inserted into the insertion hole 56 of the first bracket 51, the insertion holes 46a and 48a of the battery holder 40, and the insertion hole 56 of the second bracket 52, and the nut N1 is screwed into the bolt B1. To do. The nut N1 is screwed until the elastic member 12 has a predetermined width. After the nut N1 is screwed onto the bolt B1, the second wall portion 81 is separated from the first wall portion 71. Then, the battery module 10 is slid on the mounting table 65 and removed from the positioning jig 60.

Next, the operation of the positioning jig 60 of this embodiment will be described.
When the battery module 10 that promotes heat conduction from the heat radiation part 32 to the housing 13 by interposing the heat conduction member 15 between the heat radiation part 32 and the wall surface 14, a region where the heat conduction member 15 is provided. It is necessary to ensure.

  For example, when the facing surface of the fixing portion 54 facing the wall surface 14 and the facing surface of the heat radiating portion 32 facing the wall surface 14 are flush with each other, the heat conducting member 15 is interposed between the heat radiating portion 32 and the wall surface 14. It is difficult to bring the fixing portion 54 into contact with the wall surface 14 and it is difficult to fix the battery module 10. Further, in addition to the space between the heat radiating portion 32 and the wall surface 14, the surface facing the wall surface 14 of the fixing portion 54 and the surface facing the wall surface 14 of the heat radiating portion 32 are flush with each other. If the heat conduction member 15 is interposed between the fixing member 54 and the wall surface 14 due to deformation of the heat conduction member 15, it is difficult to fix the battery module 10. For this reason, it is necessary to make the fixing | fixed part 54 protrude rather than the thermal radiation part 32 so that the heat conductive member 15 may not inhibit fixation to the wall surface 14 of the fixing | fixed part 54. FIG.

  In the present embodiment, the positioning surfaces 72 and 73 for positioning the fixing portion 54 and the projecting surface 75 for positioning the heat radiating portion 32 are provided, and the positioning of the fixing portion 54 and the heat radiating portion 32 are performed individually. I am doing so. Then, by integrating the battery body 11 and the brackets 51 and 52 in this state, the battery body 11 and the brackets 51 and 52 are integrated in a state where the heat radiation part 32 protrudes from the fixing part 54. .

Therefore, according to the above embodiment, the following effects can be obtained.
(1) The first wall portion 71 includes a first positioning surface 72 and a second positioning surface 73, and a protruding surface 75 that protrudes from the positioning surfaces 72 and 73. By positioning the fixing portion 54 of each bracket 51, 52 by the positioning surfaces 72, 73 and positioning the heat radiating portion 32 by the protruding surface 75, the battery body 11 with the heat radiating portion 32 protruding from the fixing portion 54. And the brackets 51 and 52 can be integrated. Therefore, even in the battery module 10 in which the heat conducting member 15 is interposed between the heat radiating portion 32 and the wall surface 14 of the housing 13, the battery cell 21 is located in a region partitioned between the projecting surface 75 and the partition screen 82. In addition, the battery body 11 and the brackets 51 and 52 can be relatively positioned by arranging the heat transfer plates 30 side by side.

  (2) The mounting table 65 is made of resin. For this reason, when inserting the battery cell 21 and the heat transfer plate 30 into the region between the first wall portion 71 and the second wall portion 81, the battery cell 21 and the heat transfer plate 30 can be slid and moved. It is easy to move the battery cell 21 and the heat transfer plate 30. Further, when the battery body 11 and the brackets 51 and 52 are integrated and the battery module 10 is removed from the positioning jig 60, the battery module 10 can be slid and moved easily.

  (3) The brackets 51 and 52 are fixed to the positioning surfaces 72 and 73 by the magnet 74. For this reason, since the brackets 51 and 52 are fixed by the magnetic force of the magnet 74 by bringing the brackets 51 and 52 close to the positioning surfaces 72 and 73, the brackets 51 and 52 can be easily fixed.

In addition, you may change embodiment as follows.
As shown in FIG. 8, the second wall portion 81 may extend to positions facing the positioning surfaces 72 and 73. In this case, when the brackets 51, 52 are positioned by the positioning surfaces 72, 73, the notches 101 into which the protrusions 57 of the brackets 51, 52 are inserted are provided in the second wall portion 81. Thereby, it can suppress that the protrusion part 57 and the 2nd wall part 81 contact | abut. Further, when each bracket 51, 52 does not have the protruding portion 57, the notch 101 may not be provided in the second wall portion 81.

  The protrusions 57 may not be provided on the brackets 51 and 52. In this case, the second wall portion 81 may be provided at a portion facing each positioning surface 72, 73, and it is also necessary to provide a notch into which the protruding portion 57 is inserted as in the above modification. Absent.

  The fixture may be different from the magnet 74. For example, after positioning the fixing portions 54 of the brackets 51, 52 by the positioning surfaces 72, 73, a fixing tool that presses the brackets 51, 52 toward the first wall portion 71 is used as the second standing wall. 64 and the like, and may be fixed by pressing the brackets 51 and 52 against the first wall 71.

The elastic member 12 may not be provided.
The fixed member may be a counterweight mounted on an industrial vehicle.

  B1 ... bolt, N1 ... nut, 11 ... battery body, 13 ... housing, 15 ... heat conducting member, 21 ... battery cell, 30 ... heat transfer plate, 51 ... first bracket, 52 ... second bracket, 60 ... positioning Jig, 65 ... mounting table, 67 ... battery module manufacturing apparatus, 71 ... first wall, 72 ... first positioning surface, 73 ... second positioning surface, 74 ... magnet, 75 ... projecting surface, 81 ... first 2 walls, 82 ... ward screen.

Claims (3)

A plurality of battery cells arranged in parallel and at least one battery cell among the plurality of battery cells are provided, and a heat dissipating part is provided that releases heat absorbed from the battery cells to a fixed member via a heat conducting member. A battery body having a heat transfer plate formed;
A first bracket and a second bracket, which are provided on both sides of the battery cells in the side-by-side direction so as to sandwich the battery body and have a fixing portion fixed to the fixed member;
A battery module manufacturing apparatus comprising: a battery member; a restraining member that integrates the first bracket and the second bracket;
A positioning jig for positioning the heat dissipating part and the fixed part;
The positioning jig is
A first wall portion having a positioning surface for positioning the fixed portion;
A second wall provided opposite to the first wall and movable in a direction approaching or separating from the positioning surface;
A fixing tool for fixing the first bracket and the second bracket to the positioning surface;
The first wall portion has a projecting surface that projects toward the second wall portion from the positioning surface and positions the heat radiating portion.
The second wall section defines a region for arranging the plurality of battery cells and the heat transfer plate along the projecting surface on the surface facing the projecting surface. A battery module manufacturing apparatus having a screen.   The battery module manufacturing apparatus according to claim 1, wherein a resin mounting table on which the battery body is mounted is provided between the first wall portion and the second wall portion.   The battery module manufacturing apparatus according to claim 1, wherein the fixture is a magnet provided on the positioning surface.