JP2007205489A5

JP2007205489A5 -

Info

Publication number: JP2007205489A5
Application number: JP2006025952A
Authority: JP
Filing date: 2006-02-02
Publication date: 2009-01-29
Anticipated expiration: 2026-02-02

Claims

転動体案内面を有する案内レールと、前記案内レールに対して相対移動可能に配設されて、前記転動体案内面に対向して前記転動体案内面とともに転動体軌道路を形成する負荷転動体案内面、前記転動体軌道路の両端にそれぞれ連なる一対の方向転換路、および前記一対の方向転換路に連通する転動体戻し通路を有するスライダと、前記転動体軌道路、前記一対の方向転換路、および前記転動体戻し通路から構成される無限循環路内を転動しつつ循環する複数の転動体と、を備える直動案内装置に用いられ、隣り合う前記転動体の間に介装される複数の間座部、および前記間座部を相互に連結するとともに、前記間座部の端面から外側に張り出す連結腕部を有し、前記間座部と連結腕部とによって画成される転動体収容部に前記転動体を個別に収容して前記無限循環路内での並び方向で整列させる有端状に形成された転動体収容ベルトであって、
前記転動体収容部は、そこに収容される転動体の移動を、前記無限循環路の一方の側に向けては許容し、他方の側に向けては拘束するように形成されており、
前記転動体収容ベルトの両端部同士は、前記無限循環路内で互いに非接触な状態で対向して、その対向する両端部間に、前記転動体収容部に収容されない転動体を組み込み可能になっており、さらに、各端部は、当該両端部間に収容される転動体に当接する当接面をそれぞれに有し、当該当接面は、平面であることを特徴とする転動体収容ベルト。 A guide rail having a rolling element guide surface, and a load rolling element that is disposed so as to be relatively movable with respect to the guide rail and that forms a rolling element raceway with the rolling element guide surface so as to face the rolling element guide surface. A slider having a guide surface, a pair of direction changing paths respectively connected to both ends of the rolling element raceway, and a rolling element return passage communicating with the pair of direction changing paths, the rolling element raceway, and the pair of direction changing paths And a plurality of rolling elements that circulate while rolling in an infinite circulation path constituted by the rolling element return passages, and are interposed between the adjacent rolling elements. A plurality of spacers and the spacers are connected to each other, and have a connecting arm that projects outward from an end surface of the spacer, and is defined by the spacers and the connecting arms. Individual rolling elements in rolling element housing Accommodating to a rolling elements accommodation belt which is formed into a closed end shape to align with the alignment direction in the endless circulation passage,
The rolling element accommodating portion is formed to allow movement of the rolling element accommodated therein toward one side of the infinite circulation path and to restrain toward the other side,
Both end portions of the rolling element housing belt face each other in a non-contact state in the endless circulation path, and a rolling element that is not accommodated in the rolling element housing portion can be incorporated between the opposing both end portions. Further, each end portion has a contact surface that contacts the rolling element accommodated between the both end portions, and the contact surface is a flat surface. .

転動体案内面を有する案内レールと、前記案内レールに対して相対移動可能に配設されて、前記転動体案内面に対向して前記転動体案内面とともに転動体軌道路を形成する負荷転動体案内面、前記転動体軌道路の両端にそれぞれ連なる一対の方向転換路、および前記一対の方向転換路に連通する転動体戻し通路を有するスライダと、前記転動体軌道路、前記一対の方向転換路、および前記転動体戻し通路から構成される無限循環路内を転動しつつ循環する複数の転動体と、を備える直動案内装置に用いられ、隣り合う前記転動体の間に介装される複数の間座部、および前記間座部を相互に連結するとともに、前記間座部の端面から外側に張り出す連結腕部を有し、前記間座部と連結腕部とによって画成される転動体収容部に前記転動体を個別に収容して前記無限循環路内での並び方向で整列させる有端状に形成された転動体収容ベルトであって、
前記転動体収容ベルトの両端部同士は、前記無限循環路内で互いに非接触な状態で対向して、その対向する両端部間に、前記転動体収容部に収容されない転動体を組み込み可能になっており、さらに、各端部は、当該両端部間に収容される転動体に当接する当接面をそれぞれに有し、当該当接面は、凸曲面であることを特徴とする転動体収容ベルト。 A guide rail having a rolling element guide surface, and a load rolling element that is disposed so as to be relatively movable with respect to the guide rail and that forms a rolling element raceway with the rolling element guide surface so as to face the rolling element guide surface. A slider having a guide surface, a pair of direction changing paths respectively connected to both ends of the rolling element raceway, and a rolling element return passage communicating with the pair of direction changing paths, the rolling element raceway, and the pair of direction changing paths And a plurality of rolling elements that circulate while rolling in an infinite circulation path constituted by the rolling element return passages, and are interposed between the adjacent rolling elements. A plurality of spacers and the spacers are connected to each other, and have a connecting arm that projects outward from an end surface of the spacer, and is defined by the spacers and the connecting arms. Individual rolling elements in rolling element housing Accommodating to a rolling elements accommodation belt which is formed into a closed end shape to align with the alignment direction in the endless circulation passage,
Both end portions of the rolling element housing belt face each other in a non-contact state in the endless circulation path, and a rolling element that is not accommodated in the rolling element housing portion can be incorporated between the opposing both end portions. Further, each end portion has a contact surface that contacts the rolling element accommodated between the both end portions, and the contact surface is a convex curved surface. belt.

前記転動体収容部は、そこに収容される転動体の移動を、前記無限循環路の一方の側に向けては許容し、他方の側に向けては拘束するように形成されていることを特徴とする請求項２に記載の転動体収容ベルト。 The rolling element housing portion is configured to allow movement of the rolling elements housed therein to one side of the endless circulation path and to restrain toward the other side. The rolling element accommodation belt according to claim 2 , wherein the rolling element accommodation belt is provided.

転動体案内面を有する案内レールと、前記案内レールに対して相対移動可能に配設されて、前記転動体案内面に対向して前記転動体案内面とともに転動体軌道路を形成する負荷転動体案内面、前記転動体軌道路の両端にそれぞれ連なる一対の方向転換路、および前記一対の方向転換路に連通する転動体戻し通路を有するスライダと、前記転動体軌道路、前記一対の方向転換路、および前記転動体戻し通路から構成される無限循環路内を転動しつつ循環する複数の転動体と、隣り合う前記転動体の間に介装される複数の間座部、および前記間座部を相互に連結するとともに、前記間座部の端面から外側に張り出す連結腕部を有し、前記間座部と連結腕部とによって画成される転動体収容部に前記転動体を個別に収容して前記無限循環路内での並び方向で整列させる有端状に形成された転動体収容ベルトと、を備え、前記転動体収容ベルトの両端部同士は、前記無限循環路内で互いに非接触な状態で対向して、その対向する両端部間に、前記転動体収容部に収容されない転動体が組み込まれる直動案内装置であって、
前記転動体収容ベルトとして、請求項１〜３のいずれか一項に記載の転動体収容ベルトを用いていることを特徴とする直動案内装置。 A guide rail having a rolling element guide surface, and a load rolling element that is disposed so as to be relatively movable with respect to the guide rail and that forms a rolling element raceway with the rolling element guide surface so as to face the rolling element guide surface. A slider having a guide surface, a pair of direction changing paths respectively connected to both ends of the rolling element raceway, and a rolling element return passage communicating with the pair of direction changing paths, the rolling element raceway, and the pair of direction changing paths , And a plurality of rolling elements that circulate while rolling in an infinite circuit constituted by the rolling element return passages, a plurality of spacers interposed between the adjacent rolling elements, and the spacer And connecting the rolling elements individually to a rolling element housing part defined by the spacer part and the connecting arm part. In the endless circuit. A rolling element containing belt formed in an end shape that is aligned in a direction, and both ends of the rolling element containing belt are opposed to each other in a non-contact state in the endless circulation path, and are opposed to each other. A linear motion guide device in which a rolling element that is not accommodated in the rolling element accommodating portion is incorporated between both ends,
The linear motion guide apparatus using the rolling element accommodation belt as described in any one of Claims 1-3 as said rolling element accommodation belt.

前記転動体収容ベルトの両端部同士は、前記転動体収容部に収容されない転動体が組み込まれたときに、当該転動体との間に、前記並び方向に隙間を有することを特徴とする請求項４に記載の直動案内装置。 Claim across portions of the rolling elements accommodation belt, when the rolling elements are not accommodated in the rolling element accommodating section is incorporated, between the rolling elements, characterized by having a gap in said arrangement direction 4. The linear motion guide device according to 4 .