JP3971324B2 - Energizing terminal gripper and gripper drive hand - Google Patents

Description

【００７２】
本実施例の通電用端子把持具は、３２０℃において、その接触抵抗（ｍΩ）が低くなっていた。これは、ばねによる与圧により把持部材を構成する二枚の板バネと試験用の電極端子との実際の接触部分の面積がアルミの軟化により増加したことによるものである。
【００７３】
【発明の効果】
以上説明したように、本発明によって、その一端で、電池等に設けられた電極端子を容易に把持して通電を確保することができ、さらに、例えば、ナトリウム−硫黄電池のような複数の電極端子が設けられた電池との通電を容易に確保することができるとともに、自動化に容易に対応しうる通電用端子把持具、及びこの通電用端子把持具を挟持して駆動するための把持具駆動用ハンドを提供することができる。
【図面の簡単な説明】
【図１】 本発明（第一の発明）の通電用端子把持具の一の実施の形態において、通電用端子把持具が、電極端子を把持する前の状態を模式的に示す断面図である。
【図２】 本発明（第一の発明）の通電用端子把持具の一の実施の形態において、通電用端子把持具が、電極端子を把持した状態を模式的に示す断面図である。
【図３】 本発明（第一の発明）の通電用端子把持具の一の実施の形態において、駆動手段を用いて駆動させる工程を模式的に示す平面図である。
【図４】 本発明（第一の発明）の通電用端子把持具の一の実施の形態において、駆動手段を用いて駆動させる工程を模式的に示す平面図である。
【図５】 本発明（第二の発明）の把持具駆動用ハンドの一の実施の形態を模式的に示す平面図であって、図５（ａ）は正面図、図５（ｂ）は側面図である。
【図６】 本発明（第二の発明）の把持具駆動用ハンドの一の実施の形態において、把持具駆動用ハンドを駆動させて通電用端子把持具にて電極端子を把持する工程の一部を模式的に示す平面図である。
【図７】 本発明（第二の発明）の把持具駆動用ハンドの一の実施の形態において、把持具駆動用ハンドを駆動させて通電用端子把持具にて電極端子を把持する工程の一部を模式的に示す平面図である。
【図８】 本発明（第二の発明）の把持具駆動用ハンドの一の実施の形態において、把持具駆動用ハンドを駆動させて通電用端子把持具にて電極端子を把持する工程の一部を模式的に示す平面図である。
【図９】 本発明（第二の発明）の把持具駆動用ハンドの一の実施の形態において、把持具駆動用ハンドを駆動させて通電用端子把持具にて電極端子を把持する工程の一部を模式的に示す平面図である。
【図１０】 本発明（第一の発明）の通電用端子把持具の実施例を模式的に示す説明図である。
【図１１】 図１１（ａ）及び図１１（ｂ）は、本発明（第一の発明）の通電用端子把持具の比較例を模式的に示す説明図である。
【図１２】 従来の通電用端子把持具を模式的に示す平面図である。
【符号の説明】
１…通電用端子把持具、２…電池、３…電極端子、４…板バネ、５…一方の先端、６…他方の先端、７…把持部材、８…貫通孔、９…形状規制部材、１０…支持部材、１１…板バネ固定部材、１２…伝達部、１３…位置ずれ防止部材、１６…二枚の板材、１７…通電用端子把持具、１８…ネジ、２０…駆動手段、２１…ハンド本体、２２…ロッド、２３…シリンダー、２４…滑動部、３０…把持具駆動用ハンド、３１…第一の挟持部材、３２…第二の挟持部材、３２ａ…第二の挟持部材のうちの一方、３２ｂ…第二の挟持部材のうちの他方、３３…挟持手段、３４…第一の駆動手段、３４ａ…第一のハンド本体、３４ｂ…第一のロッド、３５…第二の駆動手段、３５ａ…第二のハンド本体、３５ｂ…第二のロッド、３６，３７…突起、３８…第一のガイド部、３９…第二のガイド部、４０…通電用端子把持具、４１…板部材、４２…把持部材、４３…電圧計測用端子、４４…ねじ、４５…ボルト、５０…電池、５１…電極端子、６０…支持手段。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an energizing terminal gripping tool and a gripping tool driving hand. More specifically, at one end of the battery, an electrode terminal provided on the battery or the like can be easily gripped to ensure energization. Further, for example, a battery provided with a plurality of electrode terminals such as a sodium-sulfur battery In addition, the present invention relates to an energizing terminal gripping tool that can easily secure the energization and to easily handle automation, and a gripping tool driving hand for sandwiching and driving the energizing terminal gripping tool.
[0002]
[Prior art]
Conventionally, for example, as an energizing terminal gripping tool for gripping an electrode terminal installed in a sodium-sulfur battery or the like, for example, one having a configuration as shown in FIG. 12 is known (for example, Patent Document 1). reference).
[0003]
[Patent Document 1]
JP-A-5-266876
[0004]
Such a conventional energizing terminal gripping tool 40 has, for example, a gripping member 42 composed of two plate members 41, and the two plate members 41 are fixed by bolts 45 so as to hold a predetermined interval. Has been. And the plate-shaped electrode terminal 51 which consists of metal materials, such as aluminum provided in the sodium-sulfur battery 50, is sandwiched between the two plate members 41 constituting the gripping member 42, and the two plate members 41 and the electrodes By tightening the bolt 45 in a state where the terminal 51 is in contact with the terminal 51, energization between the electrode terminal 51 and the device (not shown) connected to the energizing terminal gripping tool 40 is ensured. Further, a voltage measuring terminal 43 is provided on one end edge of the gripping member 42 and connected by a screw 44.
[0005]
[Problems to be solved by the invention]
However, in such a terminal connection device, when the gripping member 42 is attached to or detached from the electrode terminal 51, the bolt 45 is tightened or loosened so that the two plate members 41 are pressed against or separated from the side surface of the electrode terminal 51. Therefore, the operation of attaching and detaching the electrode terminal 51 becomes very complicated and takes time. In particular, since the sodium-sulfur battery has about 80 electrode terminals 51 for the inspection of one unit of battery, it is difficult to attach and detach the bolt 45 described above.
[0006]
In addition, when the current-carrying terminal gripping tool 40 configured in this way is used, for example, in order to ensure the current-carrying with the electrode terminal 51 of the sodium-sulfur battery, the sodium-sulfur battery usually has about 300 to 350. Since the two plate members 41 and the electrode terminals 51 are used in a state of being heated to about 0 ° C., the electrode terminals 51 are deformed or the two plate members 41 are closed. There is a problem that seizure occurs in the bolt 45 to be attached and fixed, making it difficult to open and close the portion of the energizing terminal gripper 40 that grips the electrode terminal 51.
[0007]
Further, the energizing terminal gripping tool 40 configured in this way has a problem that it is difficult to cope with automation because the positioning with the electrode terminal 51 and the attaching / detaching operation of the bolt 45 are complicated. . Further, in the conventional energizing terminal gripping tool, in order to attach and detach the driving means for driving the energizing terminal gripping tool in the horizontal proximity to the energizing terminal gripping tool fixed on the battery, There is a problem that the current carrying terminal gripping tool may be damaged.
[0008]
The present invention has been made in view of such problems of the prior art, and the object of the present invention is to easily hold an electrode terminal provided on a battery or the like at one end thereof to ensure energization. In addition, for example, it is possible to easily ensure energization with a battery provided with a plurality of electrode terminals, such as a sodium-sulfur battery, and to easily handle automation. Another object is to provide a gripping tool driving hand for sandwiching and driving the energizing terminal gripping tool.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides the following energizing terminal gripper.
[0010]
[1] An energizing terminal gripping tool used to secure energization between a device connected to the other end and the electrode terminal by gripping the electrode terminal at one end thereof, Each of which has a predetermined length from the one end (curve portion) is curved inward so that the distance from each other increases as it approaches the one end side. A gripping member configured to oppose the end surface of the one end and capable of gripping the electrode terminal at the end surface of the one end, and a through hole at the center thereof, and the gripping member includes the through hole. A shape restricting member that penetrates and is prevented from opening to the outside at the inner wall portion and is biased toward the inner wall side, and the shape restricting member is disposed on the inner wall side of the through hole. The gripping member is biased In this state, by sliding toward the one end of the leaf spring constituting the gripping member, the distance between the end surfaces of the one end of the leaf spring constituting the gripping member approaches each other, and It is possible to ensure energization by deforming the leaf spring constituting the gripping member so as to apply a predetermined pressure to the end face of the one tip after gripping the electrode terminal, and the shape regulating member Is slid toward the other tip of the leaf spring constituting the gripping member to recover the deformation of the leaf spring constituting the gripping member, and the end surface of the one tip of the gripping member is restored. The terminal gripping tool for energization characterized in that they can be separated from each other and deenergized (hereinafter also referred to as “first invention”).
[0011]
[2] An insulating support member for supporting the gripping member at a predetermined position is further provided, and the support member is a portion in the vicinity of the other tip of the leaf spring constituting the gripping member. The energizing terminal gripping tool according to [1], wherein the gripping member is supported in a sandwiched state.
[0012]
[3] A substantially T-shaped plate used for fixing the gripping member to the other tip portion of the leaf spring constituting the gripping member while being supported at a predetermined position by the support member. A spring fixing member is further provided, and a stress for sliding the shape regulating member toward the one end of the leaf spring constituting the gripping member is applied to a portion of the outer surface facing the shape regulating member. The energizing terminal gripping tool according to [2], further including a pair of outwardly projecting transmission portions.
[0013]
[4] A misalignment prevention member for preventing misalignment of the leaf spring constituting the gripping member, which is disposed so as to cover a portion where the gripping member and the support member are in contact with each other. The energizing terminal gripping tool according to [2] or [3].
[0014]
[5] The energizing terminal gripping tool according to any one of [1] to [4], wherein the leaf spring constituting the gripping member further includes a voltage terminal.
[0015]
[6] The energizing terminal gripping tool according to any one of [1] to [5], wherein the deformation of the leaf spring constituting the gripping member is a deformation that recovers creep under a predetermined use condition.
[0016]
[7] The energizing terminal gripping tool according to any one of [1] to [6], wherein the material of the leaf spring constituting the gripping member is Inconel or stainless steel.
[0017]
[8] The energizing terminal gripping tool according to any one of [3] to [7] is configured such that the shape regulating member slides toward the one end of the leaf spring constituting the gripping member. A gripping tool driving hand for clamping and driving, wherein the shape regulating member of the energizing terminal gripping tool is moved and clamped from the outer position in a direction perpendicular to the sliding direction. The plate-like first clamping member and the leaf spring fixing member respectively arranged on the inner side of the first clamping member are moved from the outer position in a direction perpendicular to the sliding direction. A clamping means having two plate-like second clamping members to be clamped, and the first clamping member and the second clamping member constituting the clamping means are fixed to the shape regulating member and the leaf spring. A first drive member having a first drive member respectively moved toward the member; The driving means and the first clamping member sandwiching the shape regulating member press the transmission portion of the shape regulating member and slide toward the one end of the leaf spring constituting the gripping member. And a second driving means having a second driving member for moving the first clamping member in the sliding direction. May be referred to as “the invention of”).
[0018]
[9] The first driving member constituting the first driving means is constituted by a first cylinder having a first hand body and a first rod, and constitutes the clamping means. One of the plate-like second clamping members is fixed to the tip of the first rod, and the other of the second clamping members is the first hand body. The gripping tool driving hand according to [8], wherein the gripping tool driving hand is fixed to a distal end portion of the gripping tool.
[0019]
[10] One of the two plate-like first clamping members constituting the clamping means is formed by one of the second clamping members fixed to each other and the tip of the first rod. In the meantime, the second driving means is slidably held in the driving direction (sliding direction), and the other of the first holding members is fixed to the other of the second holding members fixed to each other. The gripping tool driving hand according to [9], wherein the gripping tool driving hand is sandwiched between a distal end portion of the first hand body so as to be slidable in a driving direction of the second driving means.
[0020]
[11] The second driving member constituting the second driving means is constituted by a second cylinder having a second hand body and a second rod, and constitutes the clamping means. The plate-like first clamping member is connected to the tip of the second hand body so as to be slidable in the driving direction of the first driving means (direction perpendicular to the sliding direction). The hand for driving a gripping tool according to any one of [8] to [10].
[0021]
[12] The grip according to [11], wherein the first rod passes through a through portion formed in the second rod, and is arranged so as to be slidable in a vertical and loosely fitted state. Tool driving hand.
[0022]
[13] The two plate-shaped first clamping members that constitute the clamping means have protrusions that project inwardly at a portion that clamps the shape regulating member of the energizing terminal gripping tool, [8] to [8], wherein the two plate-like second clamping members constituting the clamping means have protrusions projecting inwardly at a portion of the energizing terminal gripping tool that clamps the plate spring fixing member. 12] The gripping tool driving hand according to any one of [12].
[0023]
[14] A first guide portion for connecting the two plate-like second clamping members constituting the clamping means so that the second cylinder is slidable in a direction perpendicular to the sliding direction. The gripping tool driving hand according to any one of the above [11] to [13].
[0024]
[15] The above [11] to [11], further comprising support means having a second guide portion for supporting the second hand body constituting the second cylinder so as to be slidable in a sliding direction. 14] The gripping tool driving hand according to any one of [14].
[0025]
[16] Any of the above [8] to [15], further comprising conveying means capable of conveying the clamping means, the first driving means, and the second driving means in an arbitrary direction. 2. A hand for driving a gripping tool according to 1.
[0026]
[17] The gripping tool according to [16], further comprising: a recognition unit that recognizes the position of the electrode terminal; and a control unit that controls a transport operation of the transport unit based on information obtained by the recognition unit. Driving hand.
[0027]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of an energizing terminal gripping tool and a gripping tool driving hand according to the present invention (first and second inventions) will be specifically described below with reference to the drawings.
[0028]
First, an embodiment of a current-carrying terminal gripper according to the first invention will be described with reference to FIG. As shown in FIG. 1, an energizing terminal gripping tool 1 according to the present embodiment grips an electrode terminal 3 such as a battery 2 at one end thereof, thereby connecting a device (not shown) and an electrode connected to the other end. An energizing terminal gripping tool 1 used to ensure energization with a terminal 3, which is composed of two conductive leaf springs 4, and the distance from each other increases toward the tip 5 side of one of them. An electrode terminal is formed on the end surface of one tip 5 so as to be separated from each other and a portion (tip portion) having a predetermined length from one tip 5 is curved inward so that the end surfaces of one tip 5 face each other. 3 and a through hole 8 in the center of the holding member 7, the inner side of the holding member 7 is restricted from passing through the through hole 8 and opening to the outside at the inner wall portion thereof. And a shape regulating member 9 that can be held in a state of being biased by 2, the shape regulating member 9 is slid toward one end 5 of the leaf spring 4 constituting the gripping member 7 in a state where the gripping member 7 is biased toward the inner wall side of the through hole 8. Thus, the gripping member is configured so that a predetermined pressure is applied to the end surface of one tip 5 after the distance between the end surfaces of one tip 5 of the leaf spring 4 constituting the gripping member 7 approaches each other and grips the electrode terminal 3. The plate spring 4 constituting the member 7 can be deformed to ensure energization, and as shown in FIG. 1, the shape regulating member 9 is connected to the other tip of the leaf spring 4 constituting the gripping member 7. By sliding toward 6, the deformation of the leaf spring 4 constituting the gripping member 7 can be recovered, and the end surfaces of the one end 5 of the gripping member 7 can be separated from each other to release the energization. It is characterized by that.
[0029]
With this configuration, it is not necessary to perform an attaching / detaching operation of tightening two plate members using bolts or the like as in a conventional energizing terminal gripping tool, and this shape regulating member 9 is slid once. By performing this operation, the electrode terminal 3 provided on the battery 2 or the like can be easily grasped by one tip 5 of the two leaf springs 4. Therefore, even when the battery has a plurality of electrode terminals 3 such as a sodium-sulfur battery and the use temperature thereof is high, for example, a battery used at 300 to 350 ° C., the gripping operation can be performed safely and in a single time. It can be performed.
[0030]
As shown in FIGS. 1 and 2, the energizing terminal gripping tool 1 according to the present embodiment further includes an insulating support member 10 for supporting the gripping member 7 at a predetermined position. It is preferable that the holding member 7 is supported in a state where 10 is sandwiched between portions near the other end 6 of the leaf spring 4 constituting the holding member 7. Further, when the battery 2 in which the plurality of electrode terminals 3 are arranged in a row is used for energization, the support member 10 is formed in a rod shape so that the plurality of gripping members 7 are supported at a predetermined position at a time. can do.
[0031]
Further, the energizing terminal gripping tool 1 of the present embodiment is in a state where the gripping member 7 is supported at a predetermined position by the support member 10 at the other tip 6 portion of the leaf spring 4 constituting the gripping member 7. It further includes a substantially T-shaped plate spring fixing member 11 used for fixing, and the shape regulating member 9 is provided on one side of the leaf spring 4 constituting the gripping member 7 at a portion facing the outer surface thereof. It is preferable to have a pair of outwardly projecting transmission parts 12 to which a stress for sliding toward the tip 5 is applied.
[0032]
Usually, when the shape restricting member 9 is slid, the shape restricting member 9 presses the gripping member 7, so that a load stress is generated in the support member 10 that supports the gripping member 7, and the stress causes the support member 10. Deformation or displacement of the energizing terminal gripping tool 1 may occur. In the present embodiment, the stress generated when the shape regulating member 9 is slid is received by the leaf spring fixing member 11, whereby the stress generated in the support member 10 can be reduced.
[0033]
Further, in the present embodiment, the displacement prevention for preventing the displacement of the leaf spring 4 constituting the gripping member 7 disposed so as to cover the portion where the gripping member 7 and the support member 10 come into contact with each other. It is preferable to further include a member 13.
[0034]
When the electrode terminal 3 is gripped by sliding the shape regulating member 9 constituting the energizing terminal gripping tool 1, non-uniform stress is applied to the two leaf springs 4 constituting the gripping member 7, and the gripping member 7. May cause misalignment. In the present embodiment, the misalignment prevention member 13 is disposed so as to cover the portion where the gripping member 7 and the support member 10 are in contact with each other, thereby preventing misalignment and the transmission portion 12 of the shape regulating member 9. Is loosely mated with the misregistration prevention member 13 to prevent unnecessary lateral displacement force from being generated on the gripping member 7.
[0035]
In the present embodiment, when the electrode terminal 3 disposed in the battery 2 is gripped, first, the shape regulating member 9 is slid so that one of the leaf springs 4 constituting the gripping member 7 is slid. After the distance between the end faces of the tip 5 approaches each other and grips the electrode terminal 3, the shape regulating member 9 is further slid, and a predetermined pressure is applied to the end face of one tip 5 of the leaf spring 4 that grips the electrode terminal 3. The plate spring 4 constituting the gripping member 7 is deformed so as to apply the stress, and the stress applied to the end surface of one end 5 of the plate spring 4 that grips the electrode terminal 3, that is, the stress applied to the portion that grips the electrode terminal 3. Increase. Thus, by utilizing the spring stress of the leaf spring 4, the electrode terminal 3 can be firmly held.
[0036]
The deformation of the leaf spring 4 for increasing the stress for gripping the electrode terminal 3 is preferably a deformation that recovers creep under a predetermined use condition of the energizing terminal gripping tool 1. By comprising in this way, the leaf | plate spring 4 does not carry out plastic deformation on a predetermined use condition, but can use the terminal holding tool 1 for electricity supply for a long period of time. As a material of the leaf spring 4 having the above-described characteristics, for example, when the terminal holder for energization 1 is used for gripping an electrode terminal disposed in a sodium-sulfur battery, a general inspection thereof is performed. Since the use conditions are a use temperature of 300 to 350 ° C. and a gripping time of 15 to 50 hours, alloys such as Inconel or stainless steel having a high creep limit can be suitably used. Moreover, when using at normal temperature, the spring steel, tool steel, stainless steel, etc. which do not plastically deform at normal temperature can be used suitably.
[0037]
Here, the process of gripping the electrode terminal disposed on the battery using the energizing terminal gripper of the present embodiment will be specifically described with reference to FIGS. 3 and 4. 3 and 4, a manually installed drive means 20 of a type that serves as a power source for gripping the electrode terminal 3 and is manually slid from the side of the energizing terminal gripper 1 and connected thereto is used. The case where the energizing terminal gripping tool 1 is driven will be described.
[0038]
The drive means 20 is composed of a cylinder 23 having a hand main body 21 and a rod 22, and the leaf spring fixing member 11 of the energizing terminal gripping tool 1 is connected to the tip of the rod 22. The transmission part 12 of the regulating member 9 is connected. Further, a sliding portion 23 that can slide in the sliding direction is provided at a contact portion between the hand main body 21 and the rod 22.
[0039]
First, as shown in FIG. 3, when gripping the electrode terminal 3, the cylinder 23 is driven in a state where the energizing terminal gripping tool 1 is connected to the driving means 20. The direction in which the cylinder 23 is driven is driven so that the shape regulating member 9 connected to the hand body 21 moves toward one end 5 of the leaf spring 4 constituting the gripping member. Specifically, the rod 22 is driven in the A direction side and the hand main body 21 is driven in the B direction side, but the rod 22 is connected to the leaf spring fixing member 11 coupled to the support member 10. Only the hand body 21 is driven in the B direction. As a result, the shape regulating member 9 is slid toward one tip 5 of the leaf spring 4 constituting the gripping member, and as shown in FIG. 4, the one tip 5 of the leaf spring 4 constituting the gripping member is moved. The distance between the end faces approaches each other, and the leaf spring 4 constituting the gripping member grips the electrode terminal 3. In this state, when the shape regulating member 9 is further slid, the leaf spring 4 constituting the gripping member is configured to apply a predetermined pressure to the end face of one end 5 of the leaf spring 4 that grips the electrode terminal 3. Is deformed, and the stress applied to the end face of the one end 5 of the leaf spring 4 that holds the electrode terminal 3, that is, the stress applied to the portion that holds the electrode terminal 3, is increased so that the electrode terminal 3 can be firmly held. it can.
[0040]
Further, when the energization is canceled, the reverse of the above-described process, specifically, the rod 22 is driven in the direction B, and the shape regulating member 9 is moved to the other side of the leaf spring 4 constituting the gripping member. Slide to the tip side. As a result, the leaf spring 4 constituting the gripping member is restored to its original shape and the energization is released.
[0041]
Next, an embodiment of the gripping tool driving hand of the present invention (second invention) will be described.
[0042]
As shown in FIGS. 5 (a) and 5 (b), the gripping tool driving hand 30 of the present embodiment is, for example, for energization configured similarly to the energization terminal gripping tool 1 shown in FIG. A gripping tool driving hand 30 for holding and driving the terminal gripping tool 1 so that the shape regulating member 9 slides toward one end of the leaf spring 4 constituting the gripping member 7. Two plate-like first clamping members 31 that hold and move the shape regulating member 9 of the energizing terminal gripping tool 1 from the outer position in a direction orthogonal to the sliding direction, and the first clamping Two plate-like second clamping members 32 that are respectively disposed inside the member 31 and move and clamp the leaf spring fixing member 11 from the outer position in a direction perpendicular to the sliding direction. Holding means 33, the first holding member 31 and the second holding member 3 constituting the holding means 33. The first drive means 34 having a first drive member that moves the shape restriction member 9 and the leaf spring fixing member 11 respectively, and the first clamping member 31 that sandwiches the shape restriction member 9 include shape restriction. A second drive member that moves the first clamping member 31 in the sliding direction so as to slide toward one end of the leaf spring 4 constituting the gripping member 7 by pressing the transmission portion of the member 9. It has the 2nd drive means 35 which has, It is characterized by the above-mentioned.
[0043]
In the present embodiment, the first driving member constituting the first driving means 34 is constituted by a first cylinder having a first hand main body 34a and a first rod 34b, and the clamping means. One of the two plate-like second holding members 33 that constitutes 33 is fixed to the tip of the first rod 34b, and the other 32b of the second holding member is The first hand main body 34a is fixed to the tip of the first hand main body 34a, and the first hand main body 34a and the first rod 34b are moved so as to reduce the distance between them. The leaf spring fixing member 11 can be clamped by the second clamping members 32 that are respectively fixed to the main body 34a and the first rod 34b.
[0044]
By comprising in this way, it can clamp safely, without damaging the terminal holding tool 1 for electricity supply. In addition, the gripping tool driving hand 30 according to the present embodiment is configured so that the shape regulating member 9 constituting the energizing terminal gripping tool 1 is moved from its outer position to each of the first hand main body 34a and the first rod 34b. Since the two plate-like second clamping members 32 fixed to the plate are moved and clamped in the direction orthogonal to the sliding direction, the shape regulating member 9 has two plate-like second clamping members 32. Even if it is not located at the center of the shape, that is, even if the centering of the shape restricting member 9 is not performed, the shape restricting member 9 can be accurately pinched by adjusting the centering with the first cylinder.
[0045]
In the present embodiment, the method for driving the first cylinder is not particularly limited as long as it is configured as described above and can sandwich the shape regulating member 9. A method such as driving or electric motor driving can be suitably used.
[0046]
Further, one of the two plate-like first clamping members 31a constituting the clamping means 33 is between the one of the second clamping members 32a fixed to the tip of the first rod 34b. The second driving means 35 is slidably held in the driving direction (sliding direction), and the other 31b of the first holding member is connected to the other 32b of the second holding member fixed to each other and the first It is preferably sandwiched between the tip of the hand main body 34a so as to be slidable in the driving direction of the second driving means 35.
[0047]
By comprising in this way, the 1st clamping member 31 can be moved to the direction orthogonal to a sliding direction in response to the 2nd clamping member 32, and the leaf | plate spring fixing member 11 can be simply and safely. Since the first clamping member 31 is clamped so as to be slidable in the sliding direction, the gripping member 7 and the shape regulating member 9 can move independently with respect to the sliding direction. Can do.
[0048]
In the present embodiment, the second driving member constituting the second driving means 35 is constituted by a second cylinder having a second hand main body 35a and a second rod 35b, and the clamping means. Two plate-like first clamping members 31 constituting 33 can slide in the driving direction of the first driving means 34 (direction perpendicular to the sliding direction) at the tip of the second hand body 35a. It is preferable that it is connected to.
[0049]
With this configuration, by driving the first drive means 34, the shape regulating member 9 and the leaf spring fixing member 11 can be held at once, and the shape regulating member 9 and the leaf spring fixing member 11 can be sandwiched. Only the shape regulating member 9 can be slid by driving the second driving means 35 in a state where the two are held at once.
[0050]
In the present embodiment, the method of driving the second cylinder is not particularly limited as long as the shape regulating member 9 can be slid by being driven as described above. A method such as driving, hydraulic driving, or electric motor driving can be suitably used.
[0051]
Further, in the present embodiment, the first rod 34b is disposed so as to pass through the penetrating portion formed in the second rod 35b and to be slidable perpendicularly to each other and loosely fitted. Preferably there is. With this configuration, the first driving unit 34 and the second driving unit 35 can be arranged close to each other and can be driven independently, and the gripping tool driving hand 30 can be downsized. it can.
[0052]
Further, in the present embodiment, the two plate-like first clamping members 31 constituting the clamping means 33 project inwardly to a portion that clamps the shape regulating member 9 of the energizing terminal gripping tool 1. The two plate-like second clamping members 32 that have the projections 36 and that constitute the clamping means have projections 37 that project inwardly to the portion that clamps the plate spring fixing member 11 of the energizing terminal gripping tool 1. It is preferable to have. The protrusions 36 and 37 projecting inwardly of the first and second clamping members 31 and 32 can effectively prevent the clamped shape regulating member 9 and the leaf spring fixing member 11 from falling off.
[0053]
In the present embodiment, the second cylinder connects the two plate-like second clamping members 32 constituting the clamping means so as to be slidable in a direction perpendicular to the sliding direction. It is preferable to have one guide portion 38. By this first guide portion 38, the opening and closing operation of the clamping means 33 can be performed smoothly, and an unnecessary load on the second cylinder for opening and closing can be reduced.
[0054]
In the present embodiment, there is further provided support means 60 having a second guide part 39 for supporting the second hand body 35a constituting the second cylinder so as to be slidable in the sliding direction. It is preferable to become. In the second cylinder, the tip of the second rod 35b constituting the second cylinder is in contact with the leaf spring fixing member 11, and when the second cylinder is driven, the second hand body 35a slides. Will drive in the direction. In the present embodiment, the second hand main body 35a is further provided with support means 60 having a second guide portion 39 for supporting the second hand main body 35a so as to be slidable in the sliding direction. Can be smoothly operated.
[0055]
Although not shown in the drawings, the present embodiment may further include conveying means capable of conveying the clamping means, the first driving means, and the second driving means in any direction. preferable. For example, the transfer means includes a transfer rail and a moving mechanism that can move on the transfer rail. The transfer mechanism is arranged above the battery and connected to the driving means for transfer. A conveyance means that can move along the rail can be mentioned.
[0056]
Further, in the present embodiment, it is preferable to further include a recognition unit that recognizes the position of the electrode terminal and a control unit that controls the transport operation of the transport unit based on information obtained by the recognition unit. As the recognition means for recognizing the position of the electrode terminal, for example, a CCD camera or the like that is arranged on the upper surface of the battery and can photograph the electrode terminal of the battery can be cited. As the control means, for example, a CCD camera can be cited. An image processing apparatus capable of recognizing imaging information obtained from the above as coordinates and transmitting the information to a moving unit can be given.
[0057]
By configuring in this way, the movement of the energizing terminal gripper to the electrode terminal and a series of operations for gripping the electrode terminal can be automatically performed.
[0058]
Here, referring to FIG. 6 to FIG. 9, the holding tool driving hand 30 of the present embodiment is used to hold the energizing terminal holding tool 1, and the shape regulating member of the energized terminal holding tool 1 held between 9 until the electrode terminal 3 disposed in the battery 2 is gripped to confirm the energization, and then the energization is released and the gripping tool driving hand 30 is removed from the energization terminal gripping tool 1. Explain the process.
[0059]
First, as shown in FIG. 6, the gripping tool driving hand 30 is transported using transport means (not shown), and the gripping tool driving hand 30 is supported by the support member 10. Is in a state that can be held between the first holding member 31 and the second holding member 32. At this time, the first driving means 34 is driven so that the distance between the two first clamping members 31 and the distance between the two second clamping members 32 are sufficiently opened. Keep it. Moreover, the 2nd drive means 35 is driven and the clamping position of a height direction (sliding direction) is adjusted. The energizing terminal gripping tool 1 is disposed on the electrode terminal 3 disposed in the battery 2. Further, the gripping tool driving hand 30 may be transported manually, or by a recognition means (not shown) such as a CCD camera and information obtained by a recognition means (not shown). Automatic control may be performed by a control means (not shown) for controlling the conveying operation of the means (not shown).
[0060]
Next, as shown in FIG. 7, the first driving means 34 is driven, the shape regulating member 9 is clamped by the first clamping member 31, and the plate-like fixing member 11 is clamped by the second clamping member 32. To do. At this time, in the first driving means 34, the energizing terminal gripping tool 1 can be appropriately clamped by the first cylinder even if the centering of the energizing terminal gripping tool 1 is not accurately performed.
[0061]
Next, as shown in FIG. 8, the second driving means 35 is driven to slide the shape regulating member 9 toward one end of the leaf spring 4 constituting the gripping member 7. As a result, the distance between the end surfaces of one end of the leaf spring 4 constituting the gripping member 7 approaches each other to grip the electrode terminal 3, and the shape regulating member 9 is further slid to constitute the leaf spring 4 constituting the gripping member 7. Is deformed, and pressure is applied to the end face of one end of the leaf spring 4 holding the electrode terminal 3. At this time, energization is confirmed by the voltage terminal 15 installed at one end of the leaf spring 4 constituting the gripping member 7.
[0062]
Next, as shown in FIG. 9, the first drive unit 34 is driven in a state where the energization terminal gripping tool 1 is energized, and the gripping tool driving hand 30 is pulled away from the energization terminal gripping tool 1. .
[0063]
Further, the energization may be canceled after confirming energization without separating the gripping tool driving hand 30 from the energizing terminal gripping tool 1. In this case, the second driving means 35 is driven to slide the shape regulating member 9 toward the other tip of the plate spring 4 constituting the gripping member 7 so as to return to the state shown in FIG. . As a result, the distance between the end faces of one end of the leaf spring 4 constituting the gripping member 7 is separated from each other, the deformed shape of the leaf spring 4 is restored, and the energization of the energizing terminal gripping tool 1 is released. .
[0064]
Next, the gripping tool driving hand 30 separated from the energizing terminal gripping tool 1 is moved to a place where another energizing terminal gripping tool (not shown) is supported using a transport means (not shown). Transport. By driving the gripping tool driving hand 30 as described above, the electrode terminal 3 can be easily gripped using the energizing terminal gripping tool 1. In particular, when the energizing terminal gripping tool 1 is used for energizing a sodium-sulfur battery or the like that is used in a state where the battery 2 is at a high temperature, the operator can work without approaching any battery 2. Since it can do, it is excellent in safety | security, and since it can move to attachment / detachment work, without waiting for the temperature of the terminal clamp 1 for electricity supply and the battery 2 to fall completely, shortening of work time can also be implement | achieved.
[0065]
【Example】
EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples.
[0066]
(Example) As shown in FIG. 10, it consists of two conductive leaf springs 4 having a width of 25 mm and a thickness of 2 mm, so that the distance between them approaches one of the tip ends, and from one tip. A gripping member 7 that is configured such that a portion (tip portion) of a predetermined length is curved inward and the end surface of one tip is opposed to be able to grip the electrode terminal 3 by the end surface of one tip. , Inconel 718 (Ni54.0, Cr18.0, Mo3.0, Fe18.5, other Ti, etc.) is manufactured, and the shape regulating member 9 having a through hole in the center is formed using SCM440. Produced. And this shape control member 9 was hold | maintained in the state in which the holding member 7 was urged | biased by the inner wall side of the through-hole, and the terminal clamp 1 for electricity supply was formed.
[0067]
By using the energizing terminal gripping tool 1 of the present embodiment and sliding the shape regulating member 9 constituting the energizing terminal gripping tool 1 downward, the test electrode terminal 3 is moved by the two leaf springs 4. Grasped. The contact area between the end face of the two leaf springs 4 and the electrode terminal 3 is 40 mm. ² At this time, the leaf spring 4 was pushed to the inside by a force of 30 kg and deformed by about 1 mm, and a force of 15 kg was generated on its end face.
[0068]
The temperature around the current-carrying terminal holding tool 1 holding the electrode terminal 3 made of aluminum for testing (A3003) is raised from 25 ° C. to 320 ° C., and the current value (A) and voltage value (mV) at that time And the contact resistance (mΩ) of the energizing terminal gripping tool 1 was calculated from the measured value. The results are shown in Table 1.
[0069]
(Comparative Example) As shown in FIGS. 11 (a) and 11 (b), a test aluminum (A3003) electrode terminal 3 is held by two plate members 16, and the two plate members 16 thus held are held. An energizing gripping tool 17 configured to be tightened with M12 screws 18 was formed. Using this energizing terminal gripping tool 17, the test electrode terminal 3 was gripped, and then the screw 18 was tightened to grip it with a force of about 1000 kg.
[0070]
Similar to the above-described embodiment, the temperature around the energizing terminal gripping tool 17 that grips the test electrode terminal 3 is increased from 25 ° C. to 320 ° C., and the current value (A) and voltage value at that time (MV) was measured, and the contact resistance (mΩ) of the energizing terminal gripping tool 17 was calculated from the measured value. The results are shown in Table 1.
[0071]
[Table 1]

[0072]
The contact resistance (mΩ) of the energizing terminal gripper of this example was low at 320 ° C. This is because the area of the actual contact portion between the two leaf springs constituting the gripping member and the test electrode terminal is increased by the softening of the aluminum due to the pressure applied by the spring.
[0073]
【The invention's effect】
As described above, according to the present invention, an electrode terminal provided on a battery or the like can be easily held at one end to ensure energization, and further, for example, a plurality of electrodes such as a sodium-sulfur battery An energizing terminal gripper that can easily ensure energization with a battery provided with a terminal and can easily cope with automation, and a gripper drive for sandwiching and driving the energizing terminal gripper Hands can be provided.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view schematically showing a state before an energizing terminal gripping tool grips an electrode terminal in an embodiment of the energizing terminal gripping tool of the present invention (first invention). .
FIG. 2 is a cross-sectional view schematically showing a state in which the energizing terminal gripping tool grips an electrode terminal in an embodiment of the energizing terminal gripping tool of the present invention (first invention).
FIG. 3 is a plan view schematically showing a step of driving using a driving means in one embodiment of the energizing terminal gripping tool of the present invention (first invention).
FIG. 4 is a plan view schematically showing a step of driving using a driving means in one embodiment of the energizing terminal gripping tool of the present invention (first invention).
FIG. 5 is a plan view schematically showing one embodiment of a gripping tool driving hand of the present invention (second invention), in which FIG. 5 (a) is a front view and FIG. 5 (b) is a front view; It is a side view.
FIG. 6 shows a step of driving the gripping tool driving hand and gripping the electrode terminal with the energizing terminal gripping tool in one embodiment of the gripping tool driving hand of the present invention (second invention). It is a top view which shows a part typically.
FIG. 7 shows a step of driving the gripping tool driving hand and gripping the electrode terminal with the energizing terminal gripping tool in one embodiment of the gripping tool driving hand of the present invention (second invention). It is a top view which shows a part typically.
FIG. 8 shows a step of driving the gripping tool driving hand and gripping the electrode terminal with the energizing terminal gripping tool in one embodiment of the gripping tool driving hand of the present invention (second invention). It is a top view which shows a part typically.
FIG. 9 shows a step of driving the gripping tool driving hand and gripping the electrode terminal with the energizing terminal gripping tool in one embodiment of the gripping tool driving hand of the present invention (second invention). It is a top view which shows a part typically.
FIG. 10 is an explanatory view schematically showing an embodiment of a current-carrying terminal gripper according to the present invention (first invention).
FIGS. 11A and 11B are explanatory diagrams schematically showing a comparative example of the energizing terminal gripping tool of the present invention (first invention).
FIG. 12 is a plan view schematically showing a conventional energizing terminal gripping tool.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Terminal holding tool for electricity supply, 2 ... Battery, 3 ... Electrode terminal, 4 ... Leaf spring, 5 ... One front-end | tip, 6 ... Other front-end | tip, 7 ... Gripping member, 8 ... Through-hole, 9 ... Shape control member, DESCRIPTION OF SYMBOLS 10 ... Support member, 11 ... Plate spring fixing member, 12 ... Transmission part, 13 ... Position shift prevention member, 16 ... Two board | plate materials, 17 ... Terminal holding tool for electricity supply, 18 ... Screw, 20 ... Driving means, 21 ... Hand body: 22 ... Rod, 23 ... Cylinder, 24 ... Sliding part, 30 ... Gripping tool driving hand, 31 ... First clamping member, 32 ... Second clamping member, 32a ... Second clamping member On the other hand, 32b ... the other of the second clamping members, 33 ... clamping means, 34 ... first driving means, 34a ... first hand body, 34b ... first rod, 35 ... second driving means, 35a ... second hand body, 35b ... second rod, 36, 37 ... projection, 38 ... One guide portion, 39 ... second guide portion, 40 ... terminal gripping tool for energization, 41 ... plate member, 42 ... grip member, 43 ... terminal for voltage measurement, 44 ... screw, 45 ... bolt, 50 ... battery, 51 ... Electrode terminal, 60 ... Supporting means.

Claims (17)

An energizing terminal gripping tool used to secure energization between a device connected to the other end and the electrode terminal by gripping the electrode terminal at one end,
It consists of two conductive leaf springs, and the closer to one tip side, the farther the distance is from each other, and the portion of the predetermined length (tip portion) is curved inward from the one tip. A gripping member configured to grip the electrode terminal at an end surface of the one tip, the end surface of the one tip facing each other; and
A shape restricting member that has a through hole in its central portion and can be held in a state in which the gripping member penetrates the through hole and is opened to the outside at the inner wall portion and biased toward the inner wall side. And
By sliding the shape regulating member toward the one end of the leaf spring constituting the gripping member in a state where the gripping member is biased toward the inner wall side of the through hole, the gripping member The plate constituting the gripping member is configured to apply a predetermined pressure to the end surface of the one tip after the interval between the end surfaces of the one tip of the plate spring constituting the tip approaches each other and grips the electrode terminal. It is possible to ensure energization by deforming the spring, and the gripping member is configured by sliding the shape regulating member toward the other tip of the plate spring that constitutes the gripping member. An energizing terminal gripping device capable of recovering the deformation of the leaf spring and releasing the energization by separating the end surfaces of the one end of the gripping member from each other. An insulating support member for supporting the gripping member at a predetermined position;
The energizing terminal gripping tool according to claim 1, wherein the support member supports the gripping member in a state where the support member is sandwiched by a portion near the other tip of the leaf spring constituting the gripping member. A substantially T-shaped leaf spring fixing member used for fixing the gripping member to the other tip portion of the leaf spring constituting the gripping member while being supported at a predetermined position by the support member. As well as
A pair of outwardly projecting shapes in which the shape regulating member is applied with stress for sliding toward the one tip of the leaf spring constituting the gripping member at a portion of the outer surface facing the shape regulating member The terminal holder for electricity supply of Claim 2 which has a transmission part. The position shift prevention member for preventing the position shift of the said leaf | plate spring which is arrange | positioned so that the site | part which the said grip member and the said support member contact may be covered may be provided. Alternatively, the energizing terminal gripping tool according to 3. The energizing terminal gripper according to any one of claims 1 to 4, wherein the leaf spring constituting the gripping member further includes a voltage terminal. The energizing terminal gripping tool according to any one of claims 1 to 5, wherein the deformation of the leaf spring constituting the gripping member is a deformation that recovers creep under a predetermined use condition. The energizing terminal gripping tool according to any one of claims 1 to 6, wherein a material of the leaf spring constituting the gripping member is Inconel or stainless steel. The energizing terminal gripper according to any one of claims 3 to 7 is sandwiched and driven so that the shape regulating member slides toward the one end of the leaf spring constituting the gripping member. A gripping tool driving hand for
Two plate-like first clamping members that move and clamp the shape regulating member of the energizing terminal gripper from the outer position in a direction orthogonal to the sliding direction, and the first clamping member Clamping means having two plate-like second clamping members respectively disposed on the inner side of the plate springs to move and clamp the leaf spring fixing members from the outer position in a direction perpendicular to the sliding direction. When,
A first driving means having a first driving member for moving the first clamping member and the second clamping member constituting the clamping means toward the shape regulating member and the leaf spring fixing member, respectively; ,
The first clamping member that clamps the shape regulating member presses the transmitting portion of the shape regulating member and slides toward the one end of the leaf spring that constitutes the gripping member. And a second driving means having a second driving member for moving the first clamping member in the sliding direction. The first drive member constituting the first drive means is composed of a first cylinder having a first hand body and a first rod,
One of the two plate-like second clamping members constituting the clamping means is fixed to the tip of the first rod, and the other of the second clamping members is The gripping tool driving hand according to claim 8, wherein the gripping tool driving hand is fixed to a distal end portion of the first hand main body. One of the two plate-like first clamping members constituting the clamping means is between one of the second clamping members fixed to each other and the tip of the first rod, The second driving means is slidably held in the driving direction (sliding direction), and the other of the first holding members is fixed to the other of the second holding members fixed to each other. The gripping tool driving hand according to claim 9, wherein the gripping tool driving hand is sandwiched so as to be slidable in a driving direction of the second driving means. The second drive member constituting the second drive means is composed of a second cylinder having a second hand body and a second rod,
Two plate-like first clamping members constituting the clamping means are arranged at the distal end portion of the second hand body in the driving direction of the first driving means (direction perpendicular to the sliding direction). The gripping tool driving hand according to any one of claims 8 to 10, which is slidably connected. The gripping tool driving hand according to claim 11, wherein the first rod passes through a penetrating portion formed in the second rod, and is arranged so as to be slidable in a vertical and loosely fitted state. . The two plate-shaped first clamping members constituting the clamping means have protrusions projecting inwardly at a portion of the energizing terminal gripping tool that clamps the shape regulating member, and the clamping means The two plate-shaped second clamping members that constitute the plate-shaped second clamping member have protrusions that project inwardly at a portion of the energizing terminal gripping tool that clamps the plate spring fixing member. The holding tool driving hand described. The second cylinder has a first guide portion for slidably connecting the two plate-like second clamping members constituting the clamping means in a direction perpendicular to the sliding direction. Item 14. The gripping tool driving hand according to any one of Items 11 to 13. The support means which has a 2nd guide part for supporting said 2nd hand main body which comprises said 2nd cylinder so that sliding in a sliding direction is further provided in any one of Claims 11-14 The holding tool driving hand described. The gripping tool drive according to any one of claims 8 to 15, further comprising transport means capable of transporting the clamping means, the first drive means, and the second drive means in an arbitrary direction. For hands. The gripping tool driving hand according to claim 16, further comprising: a recognition unit that recognizes a position of the electrode terminal; and a control unit that controls a transport operation of the transport unit based on information obtained by the recognition unit.

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