JP2013093243A - Assembly device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembly device capable of assembling a battery pack in a short time.SOLUTION: An assembly device 1 disassembles a standard battery pack S and assembles battery packs A1, A2 using plural battery modules M constituting the standard battery pack S. The assembly device 1 comprises a disassembling table 10 for disassembling the standard battery pack S, and an assembling table 20 adjacent to the right side of the disassembling table 10 and for assembling the battery packs A1, A2. The disassembling table 10 and the assembling table 20 have plural rollers 11, 21 on which the battery modules M can be located, and that can move the battery modules M from the disassembling table 10 to the assembling table 20 in a rightward and leftward direction. The assembling table 20 has a stationary plate 23 and a movable pressing member 26 arranged to sandwich the plural battery modules M in an aligning direction. The movable pressing member 26 can move in the aligning direction of the battery modules M and can be fixed at a predetermined position, so as to press the plural battery modules M toward the stationary plate 23.

Description

  The present invention relates to an assembling apparatus for assembling an assembled battery including a plurality of battery modules arranged in one direction.

  Conventionally, an assembled battery including a plurality of battery modules that are integrally constrained in a state of being arranged in one direction (in series) and electrically connected to each other is widely known (see Patent Document 1).

In the assembled battery as described above, the number of battery modules to be mounted is different for each application, and manufacturing facilities corresponding to the number of the battery modules are installed.
However, in the case of manufacturing an assembled battery having a number of battery modules that does not correspond to the installed manufacturing equipment, it is necessary to modify the manufacturing equipment according to the number of the battery modules, which increases the manufacturing cost of the assembled battery. The problem arises.

In order to solve the above problem, when manufacturing an assembled battery having a number of battery modules not corresponding to the manufacturing facility, the battery module in the assembled battery manufactured in the manufacturing facility is released, and the battery module is released. The work which assembles an assembled battery newly using is carried out.
However, in the assembly work of such an assembled battery, it is the current situation that the battery modules are moved and aligned manually one by one, which is disadvantageous in that it takes a lot of time to assemble the assembled battery. .

JP 2009-048965 A

  An object of the present invention is to provide an assembling apparatus capable of assembling an assembled battery in a short time.

  An assembling apparatus according to the present invention disassembles a standard assembled battery including a plurality of battery modules arranged in one direction and a standard restraining member that restrains the plurality of battery modules, and constitutes the standard assembled battery. An assembly apparatus for assembling an assembled battery using a module and comprising a plurality of battery modules that are smaller than the number of the battery modules included in the standard assembled battery and a restraining member that restrains these battery modules. A disassembly base for mounting the standard assembled battery and releasing the restraint of the standard restraining member in the standard assembled battery, and an assembly base for assembling the assembled battery adjacent to the disassembly base. A plurality of the disassembly base and the assembly base configured to be able to place the battery module and to move the battery module from the disassembly base to the assembly base. The assembly table includes a pair of assembly clamping members arranged so as to sandwich the plurality of battery modules moved on the assembly table along the arrangement direction, and the pair of assembly sandwiches At least one of the members is configured to be movable along the arrangement direction of the battery modules on the assembly table and to be fixed at a predetermined position, and the pair of assembly clamping members include a plurality of assembly assembly members. The plurality of battery modules are pressed along the arrangement direction so that the restraining member can be attached to the battery modules.

  In the assembling apparatus of the present invention, the pair of clamping members for assembly is a fixed plate and a movable pressing member, and the fixed plate protrudes to a position higher than a contact portion of the roller of the assembly table with the battery module. The movable pressing member is configured to be movable along the arrangement direction of the plurality of battery modules moved onto the assembly table and to be fixed at a predetermined position, and the plurality of battery modules. It is preferable to press the plurality of battery modules toward the fixing plate so that the restraining member can be attached to the fixing plate.

  In the assembling apparatus according to the present invention, the disassembly base includes a pair of disassembly clamping members arranged so as to sandwich the standard assembled battery along the arrangement direction of a plurality of battery modules constituting the standard assembled battery. And at least one of the pair of disassembly clamping members is configured to be movable along an arrangement direction of the plurality of battery modules on the disassembly table and to be fixed at a predetermined position. It is preferable that the standard assembled battery is pressed along the arrangement direction of the plurality of battery modules constituting the standard assembled battery so that the standard restraining member can be removed from the standard assembled battery.

  In the assembling apparatus of the present invention, the pair of disassembling clamping members are a pressing member and a movable plate, and the pressing member is in a state in which the standard restraining member can be removed from the standard assembled battery. The standard assembled battery is configured to be pressed toward the movable plate, and the movable plate is configured to be movable along the arrangement direction of the plurality of battery modules on the disassembly base and to be fixed at a predetermined position. It is preferable that the battery module is disposed at a position where it can abut against one end face of the standard assembled battery in the arrangement direction of the battery modules.

  In the assembling apparatus of the present invention, it is preferable that the assembling table is located in a direction perpendicular to the disposing table on the disassembling table in a direction perpendicular to the arrangement direction of the battery modules.

  In the assembling apparatus of the present invention, the standard constraining member is composed of a plurality of standard constraining rods extending along the arrangement direction of the battery modules, and the plurality of standard constraining rods are a plurality of members constituting the standard assembled battery. The battery module is disposed so as to sandwich a contact surface with the roller of the disassembly table and a surface opposite to the contact surface, and the plurality of rollers in the disassembly table are disposed on the contact surface side. It is preferable that the gap is formed so as to have a width that allows the standard constraining rod to pass in accordance with the position of the standard constraining rod.

  In the assembling apparatus of the present invention, the restraining member is composed of a plurality of restraining rods extending in the arrangement direction of the battery modules, and the plurality of restraining rods are in the plurality of battery modules constituting the assembled battery. The assembly table is disposed so as to sandwich a contact surface with the roller and a surface opposite to the contact surface, and the plurality of rollers in the assembly table are positions of restraint rods disposed on the contact surface side. The constraining rod disposed on the contact surface side is disposed in the gap formed in the assembly table so that a gap having a width that allows the constraining rod to pass therethrough is formed. It is preferable that a support member for supporting the restraining rod is provided at a position for restraining the plurality of battery modules.

  According to the assembling apparatus according to the present invention, the assembled battery can be assembled in a short time.

The perspective view which shows the standard assembled battery which concerns on this invention. The top view which shows the assembly apparatus which concerns on this invention. The rear view which shows the decomposition stand in the state by which the standard assembled battery was mounted. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention. The figure which shows the disassembly operation | work of a standard assembled battery and the assembly operation of an assembled battery using the assembly apparatus which concerns on this invention.

Below, with reference to drawings, the assembly apparatus 1 which is one Embodiment of the assembly apparatus which concerns on this invention is demonstrated.
The assembling apparatus 1 disassembles an assembled battery S (hereinafter referred to as “standard assembled battery S”) manufactured at a predetermined manufacturing facility, and a plurality of battery modules M, M,... Constituting the standard assembled battery S. Are used when assembling two assembled batteries A1, A2 each having a different number of modules MM from the standard assembled battery S.

First, the configuration of the standard assembled battery S and the assembled batteries A1 and A2 will be described.
As shown in FIG. 1, the standard assembled battery S is an assembled battery including a plurality (34 in the present embodiment) of battery modules M, M.
For convenience of explanation, the vertical direction in FIG. 1 is defined as the vertical direction of the standard assembled battery S.

The battery module M is configured such that a plurality of cells configured as secondary batteries are housed in a flat rectangular container, and a plurality of cells are arranged in one direction (in series) so that the wide surfaces of the container are in contact with each other. Are arranged. The battery module M is not limited to one having a plurality of cells. That is, the battery module M includes at least one cell including a single cell.
The plurality of battery modules M, M,... Are arranged in series, with a pair of upper standard restraining rods Ra, Ra, a pair of lower standard restraining rods Rb, Rb, and a pair of end plates E, E. And are constrained integrally.

  The upper standard restraining rod Ra and the lower standard restraining rod Rb are bar members extending along the arrangement direction of the plurality of battery modules M, M. The upper standard restraining rod Ra and the lower standard restraining rod Rb function as standard restraining members that restrain the plurality of battery modules M, M,... Constituting the standard assembled battery S from above and below, respectively.

The end plate E is a plate material having substantially the same shape as the battery module M.
The upper end portion of the end plate E is formed with a pair of upper fixing portions Ea and Ea for fixing the pair of upper standard restraining rods Ra and Ra. A pair of lower fixing portions Eb and Eb for fixing the rods Rb and Rb are formed.
The upper fixing portion Ea is formed so as to protrude upward from the upper end surface of the end plate E, and the two upper fixing portions Ea and Ea are arranged in a state of being separated from each other.
The lower fixing portion Eb is formed so as to protrude downward from the lower end surface of the end plate E, and the two lower fixing portions Eb and Eb are arranged in a state of being separated from each other.

  In the standard assembled battery S, the outer peripheral surfaces of the pair of upper standard constraining rods Ra and Ra and the outer peripheral surfaces of the pair of lower standard constraining rods Rb and Rb are respectively on the upper and lower surfaces of the plurality of battery modules MM. The wide surfaces of the pair of end plates EE are brought into contact with both end surfaces in the arrangement direction of the plurality of battery modules M, M,. In this state, one end of the pair of upper standard restraining rods Ra / Ra and the pair of upper fixing portions Ea / Ea in one end plate E are fixed by bolts B / B, and the pair of upper standard restraining rods The other end of Ra / Ra and the pair of upper fixing parts Ea / Ea on the other end plate E are fixed by bolts B / B, and one end of a pair of lower standard restraining rods Rb / Rb, A pair of lower fixing portions Eb and Eb in the end plate E of the pair are fixed by bolts B and B, the other end of the pair of lower standard restraining rods Rb and Rb, and a pair of lower sides in the other end plate E A plurality of battery modules M, M,... Are integrally restrained by fixing the fixing portions Eb and Eb with bolts B and B.

The assembled batteries A1 and A2 are assembled batteries that are assembled using a plurality of battery modules M, M,... Constituting the standard assembled battery S.
The assembled battery A1 is an assembled battery including a plurality (18 in the present embodiment) of battery modules M, M,... The battery pack A1 includes a pair of upper restraint rods Rc and Rc instead of the pair of upper standard restraint rods Ra and Ra, and a pair of lower restraint rods Rd and Rb instead of the pair of lower standard restraint rods Rb and Rb. It differs from the standard assembled battery S in that Rd is provided.
The assembled battery A2 is an assembled battery including a smaller number (16 in the present embodiment) of battery modules M, M,... Than a plurality of battery modules M included in the standard assembled battery S. The assembled battery A2 is provided with a pair of upper restraint rods Re and Re instead of the pair of upper standard restraint rods Ra and Ra, and a pair of lower restraint rods Rf and Rb instead of the pair of lower standard restraint rods Rb and Rb. It differs from the standard assembled battery S in that Rf is provided.
The upper restraint rod Rc and the upper restraint rod Re are members configured in substantially the same manner as the upper standard restraint rod Ra except that the front and rear dimensions are different.
The lower restraint rod Rd and the lower restraint rod Rf are members configured in substantially the same manner as the lower standard restraint rod Rb, except that the front and rear dimensions are different.

Next, the configuration of the assembly apparatus 1 will be described.
As shown in FIG. 2, the assembly apparatus 1 includes a disassembly table 10 and an assembly table 20 that are arranged adjacent to each other.
For convenience of explanation, the left-right direction in FIG. 2 is defined as the left-right direction of the assembling apparatus 1. Further, the upper side in FIG. 2 is defined as the rear side of the assembling apparatus 1 and the lower side is defined as the front side of the assembling apparatus 1. Further, the front side of the drawing sheet in FIG. 2 is defined as the upper side of the assembling apparatus 1 and the back side of the drawing sheet is defined as the lower side of the assembling apparatus 1.

  The disassembly base 10 is a base on which the standard assembled battery S is placed and the restraint of the pair of upper standard restraining rods Ra and Ra and the pair of lower standard restraining rods Rb and Rb in the standard assembled battery S is released. . Specifically, on the disassembly base 10, the pair of upper standard restraint rods Ra and Ra, the pair of lower standard restraint rods Rb and Rb, and the pair of end plates EE are removed from the standard assembled battery S, and a plurality of Only the battery modules M, M. A plurality of battery modules M, M,... Remaining on the disassembly table 10 are conveyed by a predetermined number to the assembly table 20 disposed adjacent to the disassembly table 10.

  The disassembling table 10 includes a plurality of rollers 11, 11... Arranged so that their axes are parallel to each other, and a fixed plate 12 that forms part of a frame that supports the plurality of rollers 11. And the front frame plate 13F, the left frame plate 13L, and the right frame plate 13R that constitute the frame body together with the fixed plate 12, the guide rail 14 extending along the axial direction of the roller 11, and the guide rail 14 The movable plate 15 and the support plate 16 that slide, a pressing member 17 provided on the fixed plate 12, and a collection box 18 (see FIG. 3) provided below the plurality of rollers 11, 11,.

The roller 11 is a roller that extends in the front-rear direction, and is rotatably supported by a frame body formed by the fixed plate 12. A plurality (six in this embodiment) of rollers 11 are arranged horizontally at a predetermined distance from each other in the left-right direction so that the axes coincide with the front-rear direction.
The standard assembled battery S is placed on the plurality of rollers 11, 11... With the axial direction of the rollers 11 and the arrangement direction of the battery modules M aligned.
In this way, the plurality of rollers 11, 11,... Easily move the plurality of battery modules M, M,. It is possible to make it.

Further, the plurality of rollers 11, 11... Are aligned with the positions of the pair of lower standard restraining rods Rb, Rb in the standard assembled battery S in a state of being placed on the plurality of rollers 11, 11. Thus, the gaps 11a and 11a are formed so as to have a width (horizontal dimension) that allows the pair of lower standard constraining rods Rb and Rb to pass therethrough.
Specifically, with respect to the three rollers 11, 11, 11 arranged at a minute distance from each other, a distance larger than the outer diameter of the lower standard restraining rod Rb is provided on the left side and the right side, respectively. One roller 11 and two rollers 11 and 11 are arranged.
As described above, since the plurality of rollers 11, 11... Are arranged so as to form the gaps 11a, 11a, a pair of lower standard restraining rods Rb in the standard assembled battery S on the disassembly base 10 are provided. When the restraint of Rb is released, the pair of lower standard restraining rods Rb and Rb fall downward through the gaps 11a and 11a.

  As shown in FIGS. 2 and 3, the fixing plate 12 is a rectangular plate material, and is arranged with the plate surface facing in the front-rear direction. The fixing plate 12 is attached to the rear end portion of the plurality of rollers 11, 11... And is higher than the contact portion of the plurality of rollers 11, 11. It is formed so as to protrude to (upward position). That is, the upper end surface of the fixed plate 12 is high enough to prevent the plurality of battery modules M, M,... Mounted on the plurality of rollers 11, 11. (Up and down position). Furthermore, the upper end surface of the fixing plate 12 is positioned lower than the bolts B and B attached to the rear end portions of the upper standard restraining rods Ra and Ra in the standard assembled battery S placed on the disassembly base 10 (below) (Position).

The fixing plate 12 is provided with two through holes 12a and 12a.
The through hole 12a is formed so as to penetrate the fixing plate 12 in the front-rear direction. The through holes 12a are arranged in accordance with the positions of the bolts B and B attached to the rear end portions of the lower standard restraint rods Rb and Rb in the standard assembled battery S in a state of being placed on the disassembly table 10.
In this way, the bolts B and B attached to the rear end portions of the lower standard restraining rods Rb and Rb through the through holes 12a and 12a can be released with a QL wrench or the like.

As shown in FIG. 2, the front frame plate 13 </ b> F, the left frame plate 13 </ b> L, and the right frame plate 13 </ b> R constitute a rectangular frame body together with the fixed plate 12.
The front frame plate 13F is a rectangular plate material, and is disposed with the plate surface in the front-rear direction. The front frame plate 13F is attached to the front end portions of the plurality of rollers 11.
The left frame plate 13L is a rectangular plate material, and is arranged with the plate surface facing in the left-right direction. The front end portion of the left frame plate 13L is fixed to the left end portion of the front frame plate 13F, and the rear end portion of the left frame plate 13L is fixed to the left end portion of the fixed plate 12.
The right frame plate 13R is a rectangular plate material, and is arranged with the plate surface facing in the left-right direction. The front end of the right frame plate 13R is fixed to the right end of the front frame plate 13F, and the rear end of the right frame plate 13R is fixed to the right end of the fixed plate 12. The upper end surface of the right frame plate 13R is disposed at a position (a lower position) lower than the contact portion with the plurality of battery modules M, M,. That is, the right frame plate 13R is high enough to allow the plurality of battery modules M, M,... Mounted on the plurality of rollers 11, 11,. (Up and down position).

The guide rail 14 is a sliding path between the movable plate 15 and the support plate 16 and constitutes a sliding mechanism together with the movable plate 15 and the support plate 16. Such a sliding mechanism can be realized by an existing linear guide or the like.
The guide rail 14 extends along the axial direction of the roller 11 between the fixed plate 12 and the front frame plate 13F, and is disposed in the vicinity of the right end surface of the left frame plate 13L.

The movable plate 15 is a plate member that is disposed with its plate surface facing in the front-rear direction, and extends over the entire region of the disassembly table 10 in the left-right direction. The movable plate 15 is configured to slide on the guide rail 14 so as to approach and separate from the fixed plate 12 and to be fixed at a predetermined position. The movable plate 15 is disposed at a position where it can contact the front end surface (front end plate E) of the standard assembled battery S. In detail, the movable plate 15 is positioned higher (upward position) than the contact portion of the plurality of rollers 11, 11... With the plurality of battery modules M, M. -It arrange | positions in the position (lower position) lower than the volt | bolt B * B attached to the front-end part of Ra.
As described above, the movable plate 15 is configured such that the plurality of battery modules M, M,... Mounted on the plurality of rollers 11, 11... Cannot move forward beyond the movable plate 15. .

The movable plate 15 is provided with two through holes 15a and 15a.
The through hole 15a is configured in substantially the same manner as the through hole 12a formed in the fixed plate 12, and is formed so as to penetrate the movable plate 15 in the front-rear direction. The through holes 15a are arranged in accordance with the positions of the bolts B and B attached to the front end portions of the lower standard restraining rods Rb and Rb in the standard assembled battery S placed on the disassembly base 10.
Thus, the fastening of the bolts B and B attached to the front end portions of the lower standard restraining rods Rb and Rb through the through holes 15a and 15a can be released with a QL wrench or the like.

The support plate 16 is a plate material provided on the guide rail 14. The support plate 16 slides on the guide rail 14 between the fixed plate 12 and the movable plate 15 and can be fixed at a predetermined position.
Further, the support plate 16 is configured to be switchable between a state where it rises upward from the guide rail 14 and a state where it protrudes rightward from the guide rail 14 (see the two-dot chain line in FIG. 2). When the support plate 16 stands upward from the guide rail 14, the support plate 16 does not contact the rear end surfaces of the plurality of battery modules M, M,. In a state of protruding from the rail 14 toward the right, the rear end surfaces of the plurality of battery modules M, M,.

The pressing member 17 is a member that presses the standard assembled battery S placed on the plurality of rollers 11, 11. The pressing member 17 functions as a disassembly clamping member together with the movable plate 15. The pressing member 17 is provided on the fixed plate 12 and is configured to be removable from the fixed plate 12.
For example, a toggle clamp can be used as the pressing member 17.

As shown in FIG.2 and FIG.3, the press member 17 comprises the fixing | fixed part 17a and the press part 17b.
The fixing portion 17 a is inserted into a hole formed in the central portion in the left-right direction of the upper end surface of the fixing plate 12, and extends upward from the upper end surface of the fixing plate 12.
The pressing part 17b is attached to the upper end part of the fixed part 17a. The pressing portion 17b is configured to be close to and away from the movable plate 15 and to be fixed in a state closest to the movable plate 15 (a state protruding most forward).

As described above, the pressing member 17 is attached to the fixing plate 12 by inserting the fixing portion 17 a into the hole formed in the central portion in the left-right direction of the upper end surface of the fixing plate 12. Further, the pressing member 17 is fixed in a state where the pressing portion 17b is closest to the movable plate 15, so that the standard assembled battery S placed on the plurality of rollers 11, 11,. Press and restrain.
Here, a plurality of battery modules M, M,... In the standard assembled battery S have a force to be separated from each other by the internal pressure, and in this state, the bolts B, B,. It cannot be removed. Therefore, the bolts B, B... Can be removed from the standard assembled battery S, in other words, the pair of upper standard restraint rods Ra and Ra and the pair of lower standard restraint rods Rb and Rb are standard assembled batteries. The standard assembled battery S is pressed toward the movable plate 15 by the pressing member 17 so that it can be detached from S.

  As shown in FIG. 3, the collection box 18 is a box-like member that is open at the top, and is disposed below the plurality of rollers 11, 11. The collection box 18 is a pair of lower sides that fall downward through the gaps 11a and 11a when the pair of lower standard restraining rods Rb and Rb in the standard assembled battery S is released on the disassembly base 10. The position and dimensions are appropriately set so as to collect the standard constraining rods Rb and Rb.

  As shown in FIG. 2, the assembly table 20 is a table for assembling the assembled batteries A <b> 1 and A <b> 2 using a predetermined number of battery modules M, M... Conveyed from the disassembly table 10. The assembly table 20 is adjacent to the disassembly table 10 along a direction (left-right direction) perpendicular to the arrangement direction of the battery modules M. Specifically, the assembly table 20 is adjacent to the right side of the disassembly table 10 and is arranged with the rear end positions of the disassembly tables 10 aligned with each other.

  The assembly table 20 includes a plurality of rollers 21, 21... Arranged so that their axes are parallel to each other, and a pair of support members 22, 22 provided between the plurality of rollers 21. , A fixed plate 23 that forms part of a frame that supports the plurality of rollers 21, 21..., A front frame plate 24 F that forms the frame together with the fixed plate 23, a right frame plate 24 R, and a roller 21. A guide rail 25 extending along the axial direction, a movable pressing member 26 sliding on the guide rail 25, and an alignment plate 27 for aligning the plurality of battery modules M, M,.

The roller 21 is a roller extending in the front-rear direction, and is rotatably supported by a frame body formed by the fixed plate 23. A plurality (four in this embodiment) of rollers 21 are arranged horizontally at a predetermined distance from each other in the left-right direction so that the axes coincide with the front-rear direction. The roller 21 is disposed so as to have the same height (vertical position) as the roller 11 of the disassembly base 10.
On the plurality of rollers 21, 21..., The plurality of battery modules M, M... Conveyed from the disassembly table 10 are mounted in a state where the axial direction of the rollers 21 and the arrangement direction of the battery modules M are aligned. Placed.
In this way, the plurality of rollers 21... Are conveyed from the disassembling table 10, and the operator moves the left and right battery modules M, M... Mounted on the plurality of rollers 21. It can be easily moved along the direction.
In other words, the plurality of rollers 11, 11... Of the disassembly table 10 and the plurality of rollers 21, 21. The plurality of battery modules M, M,... Are configured to be movable from the disassembly base 10 to the assembly base 20.

Further, the plurality of rollers 21, 21... Correspond to the positions of the pair of lower restraining rods Rd, Rd in the assembled battery A1 and the positions of the pair of lower restraining rods Rf, Rf in the assembled battery A2. The pair of lower restraint rods Rd and Rd and the pair of lower restraint rods Rf and Rf are arranged so as to form two gaps having a width (horizontal dimension) that allows the passage.
Specifically, the leftmost roller 21 is disposed with a distance greater than the outer diameters of the lower restraining rod Rd and the lower restraining rod Rf with respect to the second roller 21 from the left end, and the rightmost roller 21. 21 is arranged at a distance larger than the outer diameters of the lower restraining rod Rd and the lower restraining rod Rf with respect to the second roller 21 from the right end.
A support member 22 is provided in a gap formed between the predetermined rollers 21 and 21. That is, a pair of support members 22 and 22 are provided between the plurality of rollers 21 and 21.

The support member 22 is a member that supports the lower restraint rod Rd and the lower restraint rod Rf when assembling the assembled batteries A1 and A2. The support member 22 has a shape in which a cylinder extending along the front-rear direction is divided into two equal parts along the axial center, with the open part facing upward (the cut surface facing upward). The fixed plate 12 is fixed to a frame body.
The inner diameter of the support member 22 is set so as to substantially coincide with the outer diameters of the lower restraint rod Rd and the lower restraint rod Rf, and the lower restraint rod Rd or the lower restraint is formed on the inner surface of the support member 22 from above. By placing the rod Rf, the lower restraint rod Rd or the lower restraint rod Rf is supported by the support member 22 from below.
As described above, the gap formed between the plurality of rollers 21, 21... Is the position of the pair of lower restraining rods Rd and Rd in the assembled battery A1 and the pair of lower restraining rods in the assembled battery A2. It arrange | positions according to the position of Rf * Rf. For this reason, the pair of support members 22 and 22 provided in the two gaps correspond to the positions of the pair of lower restraint rods Rd and Rd in the assembled battery A1 and the pair of lower restraint rods Rf and Rf in the assembled battery A2. Match the position. That is, when the assembled battery A1 is assembled, the pair of support members 22 and 22 are at positions where the pair of lower restraining rods Rd and Rd restrain the battery modules M, M,. When the assembled battery A2 is assembled by supporting the pair of lower restraining rods Rd and Rd, the pair of lower restraining rods Rf and Rf restrain the battery modules M, M,... Constituting the assembled battery A2. In this position, the pair of lower restraint rods Rf and Rf are supported.

  The fixed plate 23 is a rectangular plate material, and is disposed with the plate surface directed in the front-rear direction. The fixing plate 23 is attached to the rear end portion of the plurality of rollers 21, 21... And is higher than the contact portion with the plurality of battery modules M, M,. It is formed so as to protrude to (upward position). That is, the upper end surface of the fixed plate 23 is so high that the plurality of battery modules M, M,... Mounted on the plurality of rollers 21, 21. (Up and down position). Further, when assembling the assembled batteries A1 and A2 on the assembly table 20, the upper end surface of the fixing plate 23 is mounted on the rear ends of the upper restraint rods Rc and Rc and the upper restraint rods Re -It is arrange | positioned in the position (lower position) lower than the attachment position of volt | bolt B * B in the rear end part of Re.

The fixing plate 23 is provided with two through holes 23a and 23a.
The through hole 23a is configured in substantially the same manner as the through hole 12a formed in the fixed plate 12, and is formed so as to penetrate the fixed plate 23 in the front-rear direction. When the assembled batteries A1 and A2 are assembled on the assembly table 20, the through holes 23a are attached to the bolts B and B at the rear ends of the upper restraint rods Rc and Rc, and the rear ends of the upper restraint rods Re and Re. Is arranged in accordance with the mounting position of the bolts B and B in the section.
Thus, when assembling the assembled batteries A1 and A2 on the assembly table 20, through the through holes 23a and 23a, to the rear end portions of the lower restraint rods Rd and Rd and the rear end portions of the lower restraint rods Rf and Rf. Each of the bolts B and B can be fastened with a QL wrench or the like.

The front frame plate 24F and the right frame plate 24R constitute a frame together with the fixed plate 23.
The front frame plate 24F is a rectangular plate material, and is disposed with its plate surface facing in the front-rear direction. The front frame plate 24F is attached to the front end portions of the plurality of rollers 21.
The right frame plate 24R is a rectangular plate material, and is disposed with the plate surface facing in the left-right direction. The front end portion of the right frame plate 24R is fixed to the right end portion of the front frame plate 24F, and the rear end portion of the right frame plate 24R is fixed to the right end portion of the fixed plate 23.
The front frame plate 24 </ b> F, the right frame plate 24 </ b> R, and the fixing plate 23 are fixed to the frame body of the disassembly base 10, thereby forming a rectangular frame body together with a part of the frame body of the disassembly base 10. Specifically, the left end portion of the fixing plate 23 is fixed to the right end portion of the fixing plate 12 of the disassembly base 10, and the left end portion of the front frame plate 24F is fixed to a midway portion in the front-rear direction of the right frame plate 13R of the disassembly base 10. ing.

The guide rail 25 is a sliding path of the movable pressing member 26 and constitutes a sliding mechanism together with the movable pressing member 26. Such a sliding mechanism can be realized by an existing linear guide or the like.
The guide rail 25 extends along the axial direction of the roller 21 between the fixed plate 23 and the front frame plate 24F, and is disposed between the two rollers 21 and 21 at the center.

The movable pressing member 26 is a member that presses the plurality of battery modules M, M,... Mounted on the plurality of rollers 21, 21. The movable pressing member 26 functions as an assembly clamping member together with the fixed plate 23. The movable pressing member 26 is configured to slide on the guide rail 25 so as to approach and separate from the fixed plate 23 and to be fixed at a predetermined position.
As the movable pressing member 26, for example, a toggle clamp can be adopted.

The movable pressing member 26 includes a sliding portion 26a, a fixed portion 26b, and a pressing portion 26c.
The sliding portion 26a is configured to be slidable on the guide rail 25 and to be fixed at a predetermined position.
The fixed portion 26b is fixed on the sliding portion 26a and extends upward from the sliding portion 26a.
The pressing part 26c is attached to the upper end part of the fixed part 26b. The pressing part 26c is configured to be close to and away from the fixed plate 23 and to be fixed in a state closest to the fixed plate 23 (a state protruding most rearward).

In this way, the movable pressing member 26 is a battery module that is placed on the plurality of rollers 21, 21... By the sliding portion 26 a sliding on the guide rail 25 and being fixed at a predetermined position. The position can be fixed according to the number of M. Further, the movable pressing member 26 is fixed in a state where the pressing portion 26c is closest to the fixed plate 23, so that the plurality of battery modules M, M,. • is pressed toward the fixed plate 23 to restrain it.
Here, since the battery module M is expanded by the internal pressure, the assembled batteries A1 and A2 cannot be assembled by attaching the bolts B, B... To the restraining members such as the upper restraining rod Rc in this state. Therefore, it is possible to attach bolts B, B... To a restraining member such as upper restraint rod Rc, in other words, restraint members such as upper restraint rod Rc can be attached to a plurality of battery modules M, M. The plurality of battery modules M, M,... Are pressed toward the fixed plate 23 by the movable pressing member 26 so as to achieve a simple state.

  The alignment plate 27 is a rectangular plate material for aligning the plurality of battery modules M, M,. The alignment plate 27 is disposed in the vicinity of the right end surface of the right frame plate 13R with the plate surface directed in the left-right direction, and extends from the vicinity of the front surface of the fixed plate 23 to the vicinity of the rear surface of the front frame plate 24F. The alignment plate 27 has a state in which the upper end surface is at a lower position (lower position) than the contact portion of the plurality of rollers 21... With the plurality of battery modules M, M. Of the rollers 21, 21... Can be switched between a state at a position (upward position) higher than a contact portion with the plurality of battery modules M, M.

  Finally, an operation in which the worker uses the assembling apparatus 1 to disassemble the standard assembled battery S and assemble the assembled batteries A1 and A2 will be described.

First, as shown in FIG. 4, the operator moves the movable plate 15 to a position corresponding to the standard assembled battery S and fixes it at the position. Then, the operator places the disassembly base 10 so that the standard assembled battery S is positioned between the movable plate 15 and the pressing member 17 in a state where the axial direction of the roller 11 and the arrangement direction of the battery modules M coincide with each other. The standard assembled battery S is placed on the plurality of rollers 11.
Thus, the movable plate 15 is configured to be able to change the distance from the pressing member 17 in accordance with the type of standard assembled battery, that is, the number of battery modules M constituting the standard assembled battery. Therefore, it is not necessary to prepare a plurality of disassembly bases according to the type of standard assembled battery, and a plurality of types of standard assembled batteries can be handled on one disassembly base 10. Therefore, it is possible to reduce the size of the assembly apparatus and reduce the manufacturing cost of the assembly apparatus.

Subsequently, the operator restrains the standard assembled battery S to be sandwiched between the pressing member 17 and the movable plate 15 by pressing the standard assembled battery S toward the movable plate 15 with the pressing member 17.
In a state where the standard assembled battery S is restrained as described above, the operator removes all the bolts B, B... From the standard assembled battery S.

Subsequently, as shown in FIG. 5, the operator releases the restraint of the standard assembled battery S by the pressing member 17 and removes the pressing member 17 from the fixed plate 12. Then, the operator removes the pair of end plates EE, the pair of upper standard restraining rods Ra and Ra, and the pair of lower standard restraining rods Rb and Rb from the standard assembled battery S.
At this time, as described above, since the plurality of rollers 11, 11... Are arranged so as to form the gaps 11a, 11a, they are attached to the lower standard restraining rods Rb in the standard assembled battery S. When the bolts B and B that have been removed are removed, each lower standard restraining rod Rb falls downward through the gap 11a and is collected in the collection box 18.
Therefore, it is not necessary for the operator to manually remove the pair of lower standard restraining rods Rb and Rb from the standard assembled battery S, and the time required for disassembling the standard assembled battery S can be shortened.

  Subsequently, the operator moves the movable pressing member 26 to a position when assembling the assembled battery A1, and fixes it at the position. Then, the operator fastens the end plate E constituting the assembled battery A1 and the front end portions of the pair of lower side restraining rods Rd and Rd with the bolts B and B, and these members are moved and pressed against the fixed plate 23. Between the member 26, the end plate E is disposed on the movable pressing member 26 side, and the pair of lower restraining rods Rd and Rd are supported from below by the pair of support members 22 and 22 of the assembly table 20. Place on the assembly table 20.

Subsequently, as shown in FIG. 6, the operator starts from the rear end of the 34 battery modules M, M,... Mounted on the plurality of rollers 11, 11. The 18 battery modules M, M,... Are pushed rightward at the same time so that the 18 battery modules M, M,. .. Are conveyed onto a plurality of rollers 21.
As described above, according to the assembling apparatus 1, a plurality of battery modules M, M,... Can be simultaneously moved from the disassembly base 10 to the assembly base 20, thereby reducing the time required for assembling the assembled batteries A1, A2. can do.
Further, the operator moves the alignment plate 27 downward before moving the 18 battery modules M · M... From the disassembly table 10 to the assembly table 20, so that the 18 battery modules M · M are moved. Are moved to the assembly table 20, and then the alignment plate 27 is fixed in a state of being moved upward. Then, the operator aligns the 18 battery modules M, M,... On the plurality of rollers 21, 21.
As described above, by using the alignment plate 27, the plurality of battery modules M, M,... Can be easily aligned, and the time required for assembling the assembled batteries A1, A2 can be shortened.

Subsequently, the operator moves the support plate 16 behind the 16 battery modules M, M,... Left on the plurality of rollers 11, 11,. It switches to the state which protruded toward the direction, and the support plate 16 is fixed in the position where the front end surface of the support plate 16 and 16 battery modules MM ... back end surface contact | abut.
As a result, the support plate 16 supports the 16 battery modules M, M,... Remaining on the plurality of rollers 11, 11,. be able to.

Subsequently, as shown in FIG. 7, the operator places the end plate E between the 18 battery modules M · M... And the fixing plate 23, and the 18 battery modules M · M ··· ..A pair of upper restraining rods Rc and Rc are arranged on the top. Then, the operator presses the 18 battery modules M · M... And the pair of end plates E · E toward the fixed plate 23 by the movable pressing member 26, thereby M and the pair of end plates E and E are restrained so as to be sandwiched between the movable pressing member 26 and the fixed plate 23.
In the state where the 18 battery modules M, M... And the pair of end plates E, E are restrained as described above, the operator uses all the bolts B, B,. The assembled battery A1 is completed by fastening the pair of end plates E · E, the pair of upper restraint rods Rc · Rc, and the pair of lower restraint rods Rd · Rd.
At this time, the pair of lower restraint rods Rd, Rd are positioned below the 18 battery modules M, M,..., And each of the lower restraint rods Rd by the bolts B, B and the pair of end plates E, Although fastening with E is generally difficult, since the pair of lower restraining rods Rd and Rd are supported by the pair of support members 22 and 22, the lower restraining rods Rd by the bolts B and B, Fastening with a pair of end plates E and E can be performed easily.

  After the assembled battery A1 is completed, the operator releases the restraint of the assembled battery A1 by the movable pressing member 26 and moves the assembled battery A1 from the assembly table 20 to a predetermined place.

Subsequently, as shown in FIG. 8, the operator moves the movable pressing member 26 to a position when assembling the assembled battery A <b> 2 and fixes it at the position.
Thus, the movable pressing member 26 is configured to be able to change the distance from the fixed plate 23 according to the type of assembled battery to be assembled, that is, the number of battery modules M constituting the assembled battery to be assembled. Therefore, it is not necessary to prepare a plurality of assembly tables according to the type of assembled battery to be assembled, and a plurality of types of assembled batteries can be assembled on one assembly table 20. Therefore, it is possible to reduce the size of the assembling apparatus and reduce the cost required for assembling a plurality of types of assembled batteries.

  Subsequently, the operator fastens the end plate E constituting the assembled battery A2 and the front end portions of the pair of lower side restraining rods Rf and Rf with bolts B and B, and these members are movable with the fixed plate 23. Between the pressing member 26, the end plate E is disposed on the movable pressing member 26 side, and the pair of lower restraining rods Rf and Rf are supported by the pair of support members 22 and 22 of the assembly table 20 from below. Then, it is placed on the assembly table 20.

Subsequently, as shown in FIG. 9, the operator switches the support plate 16 to a state where the support plate 16 is erected upward, and then remains on the plurality of rollers 11, 11. The battery modules M, M,... Are simultaneously pushed to the rear and then pushed to the right, so that the 16 battery modules M, M,. The modules M, M,... Are conveyed onto the plurality of rollers 21, 21,.
When the sixteen battery modules M, M,... Are moved rearward on the plurality of rollers 11, 11,... Of the disassembly base 10, the roller 11 has a cylindrical shape. Since the battery modules M, M,... Are in line contact with each other, the 16 battery modules M, M,.
Further, the operator moves the alignment plate 27 downward before moving the 16 battery modules M, M,... From the disassembly table 10 to the assembly table 20, so that the 16 battery modules M, M are moved. Are moved to the assembly table 20, and then the alignment plate 27 is fixed in a state of being moved upward. Then, the operator aligns the 16 battery modules M, M,... On the plurality of rollers 21, 21.

Subsequently, as shown in FIG. 10, the worker places the end plate E between the 16 battery modules M · M... And the fixing plate 23, and the 16 battery modules M · M ··· ..A pair of upper restraining rods Re and Re are arranged on the top. And an operator presses 16 battery module M * M ... and a pair of end plate E * E toward the fixed board 23 by the movable press member 26, and 16 battery module M * M M and the pair of end plates E and E are restrained so as to be sandwiched between the movable pressing member 26 and the fixed plate 23.
In the state where the 16 battery modules M, M,... And the pair of end plates E, E are restrained as described above, the operator uses all the bolts B, B,. The assembled battery A2 is completed by fastening the pair of end plates E, E, the pair of upper restraint rods Re, Re, and the pair of lower restraint rods Rf, Rf.
At this time, the pair of lower restraining rods Rf, Rf are positioned below the 16 battery modules M, M,..., And each of the lower restraining rods Rf by the bolts B, B and the pair of end plates E, Although fastening with E is generally difficult, since the pair of lower restraining rods Rf and Rf are supported by the pair of support members 22 and 22, the lower restraining rods Rf by the bolts B and B, Fastening with a pair of end plates E and E can be performed easily.

  After the assembled battery A2 is completed, the operator releases the restraint of the assembled battery A2 by the movable pressing member 26 and moves the assembled battery A2 from the assembly table 20 to a predetermined place.

  As described above, when the standard assembled battery S is disassembled and the assembled batteries A1 and A2 are assembled, the assembled batteries A1 and A2 can be assembled in a short time by using the assembling apparatus 1.

In the present embodiment, the number of the battery modules M constituting the standard assembled battery S is 34, and the number of the battery modules M constituting the assembled batteries A1 and A2 is 18 and 16, respectively. The number of battery modules constituting the standard assembled battery in the invention and the number of battery modules constituting the assembled battery to be assembled are not limited.
In the present embodiment, the two assembled batteries A1 and A2 are assembled from the standard assembled battery S. However, the number of assembled batteries assembled in the present invention is not limited.

In the present embodiment, the pair of disassembly clamping members for sandwiching the standard assembled battery S on the disassembly base 10 is composed of the movable plate 15 and the pressing member 17, but the pair of upper standard restraining rods Ra · As long as Ra and the pair of lower standard constraining rods Rb and Rb can be detached from the standard assembled battery S, the present invention is not limited to this configuration. For example, both of the pair of disassembly clamping members can be configured to move like the movable plate 15.
Moreover, in this embodiment, a pair of assembly clamping members for clamping a plurality of battery modules M, M,... Constituting the assembled batteries A1, A2 on the assembly table 20 are fixed plates 23 and movable pressing members. However, the present invention is not limited to this configuration as long as a restraining member such as the upper restraining rod Rc can be attached to the plurality of battery modules M, M,... Constituting the assembled batteries A1, A2. For example, both of the pair of assembly clamping members can be configured to move like the movable pressing member 26.

DESCRIPTION OF SYMBOLS 1 Assembling apparatus 10 Disassembly stand 11 Roller 11a Gap 12 Fixed plate 14 Guide rail 15 Movable plate (Nipping member for disassembly)
16 support plate 17 pressing member (disassembly pinching member)
20 Assembly table 21 Roller 22 Support member 23 Fixing plate (Nipping member for assembly)
25 Guide rail 26 Movable pressing member (assembly clamping member)
27 Alignment plate M Battery module S Standard battery pack Ra Upper standard restraint rod (standard restraint rod)
Rb Lower standard restraint rod (standard restraint rod)
A1 battery pack Rc Upper restraint rod (restraint rod)
Rd Lower restraint rod (restraint rod)
A2 battery pack Re upper restraint rod (restraint rod)
Rf Lower restraint rod (restraint rod)

Claims (7)

Disassembling a standard assembled battery comprising a plurality of battery modules arranged in one direction and a standard restraining member that restrains the plurality of battery modules;
A battery pack comprising a plurality of battery modules, and a restraining member for restraining these battery modules, using a plurality of battery modules constituting the standard battery pack and less than the battery modules included in the standard battery pack. An assembly device for assembling
A disassembly base for mounting the standard assembled battery and releasing the restraint of the standard restraining member in the standard assembled battery; and an assembly base adjacent to the disassembly base for assembling the assembled battery. ,
The disassembly table and the assembly table have a plurality of rollers configured to be able to place the battery module and to move the battery module from the disassembly table to the assembly table,
The assembly table includes a pair of assembly clamping members arranged to sandwich the plurality of battery modules moved on the assembly table along the arrangement direction;
At least one of the pair of clamping members for assembly is configured to be movable along the arrangement direction of the battery modules on the assembly table, and to be fixed at a predetermined position.
The pair of assembly clamping members press the plurality of battery modules along the arrangement direction so that the restraining member can be attached to the plurality of battery modules on the assembly table.
An assembly apparatus characterized by that. The pair of assembly clamping members are a fixed plate and a movable pressing member,
The fixing plate is formed to protrude to a position higher than a contact portion with the battery module in the roller of the assembly table,
The movable pressing member is configured to be movable along the arrangement direction of the plurality of battery modules moved onto the assembly table and to be fixed at a predetermined position, and the restraining member is attached to the plurality of battery modules. Pressing the plurality of battery modules toward the fixed plate so as to be possible,
The assembling apparatus according to claim 1. The disassembly base has a pair of disassembly clamping members arranged so as to sandwich the standard assembled battery along the arrangement direction of the plurality of battery modules constituting the standard assembled battery,
At least one of the pair of disassembling pinching members is configured to be movable along the arrangement direction of the plurality of battery modules on the disassembly table and to be fixed at a predetermined position.
The pair of disassembling clamping members are arranged in the standard assembled battery along the arrangement direction of a plurality of battery modules constituting the standard assembled battery so that the standard restraining member can be removed from the standard assembled battery. Press
The assembling apparatus according to claim 1 or 2, characterized in that The pair of disassembling clamping members are a pressing member and a movable plate,
The pressing member is configured to press the standard assembled battery toward the movable plate so that the standard restraining member can be removed from the standard assembled battery.
The movable plate is configured to be movable along the arrangement direction of the plurality of battery modules on the disassembly base and to be fixed at a predetermined position, and is provided on one end surface of the standard assembled battery in the arrangement direction of the battery modules. It is arranged at a position where it can contact,
The assembling apparatus according to any one of claims 1 to 3, wherein the assembling apparatus is characterized in that The assembly table is positioned in a direction orthogonal to the array direction of the battery modules on the disassembly table with respect to the disassembly table,
The assembling apparatus according to any one of claims 1 to 4, wherein the assembling apparatus is characterized in that The standard restraining member is composed of a plurality of standard restraining rods extending along the arrangement direction of the battery modules,
The plurality of standard constraining rods are arranged so as to sandwich a contact surface with a roller of the disassembly base in a plurality of battery modules constituting the standard assembled battery, and a surface opposite to the contact surface,
The plurality of rollers in the disassembly table are arranged so as to form a gap having a width that allows the standard constraining rod to pass in accordance with the position of the standard constraining rod disposed on the contact surface side.
6. The assembling apparatus according to claim 1 or 5, wherein: The restraining member is composed of a plurality of restraining rods extending along the arrangement direction of the battery modules,
The plurality of restraining rods are arranged so as to sandwich a contact surface with a roller of the assembly table in a plurality of battery modules constituting the assembled battery, and a surface opposite to the contact surface,
The plurality of rollers in the assembly table are arranged such that a gap having a width that allows the restraining rod to pass is formed in accordance with the position of the restraining rod arranged on the contact surface side.
The gap formed in the assembly table is provided with a support member that supports the restraining rod at a position where the restraining rod arranged on the contact surface side restrains the plurality of battery modules on the assembly table.
The assembling apparatus according to any one of claims 1 to 6, wherein the assembling apparatus is characterized in that

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