WO2019208233A1

WO2019208233A1 - Guiding device

Info

Publication number: WO2019208233A1
Application number: PCT/JP2019/015754
Authority: WO
Inventors: 敏郎見波
Original assignee: Thk株式会社
Priority date: 2018-04-24
Filing date: 2019-04-11
Publication date: 2019-10-31
Also published as: JP2019190540A

Abstract

A guiding device 10 comprises a first sliding member 21 formed extending in a longitudinal direction, a second sliding member 11 assembled to be capable of relative sliding movement in the longitudinal direction of the first sliding member 21, a first movement mechanism 41 provided between the first sliding member 21 and the second sliding member 11 in order to enable the relative sliding movement of the second sliding member 11 in relation to the first sliding member 21, a third sliding member 31 assembled to be capable of relative sliding movement in the longitudinal direction of the second sliding member 11, and a second movement mechanism 41 provided between the second sliding member 11 and the third sliding member 31 in order to enable the relative sliding movement of the third sliding member 31 in relation to the second sliding member 11. A sheet-form reinforcing member 51 is stuck to the second sliding member 11. Due to this configuration, any increase in the manufacturing cost of the guiding device 10 can be minimized while strength and stiffness are maintained, and the guiding device 10 can be made lightweight.

Description

Guide device

The present invention relates to a guide device of a double slide type.

Conventionally, a guide device as a slide rail including an outer rail and an inner rail slidably assembled to the outer rail via a rolling element is known. In this type of guide device, for example, an inner rail is attached to a table or the like, and an outer rail is attached to a main body or the like (for example, see Patent Document 1 below).

In the above-described conventional guide device, there is a demand for expanding the industrial application range by improving the strength and rigidity. For example, a guide device as a slide rail disclosed in the following Patent Document 1 is a device that guides a table, a drawer, a cabinet, a device, etc. being pulled out and pulled in, and is mainly assumed to be used in the consumer field. It was. However, if the strength and rigidity can be improved while being lighter than conventional guide devices, the range of use in the field of transportation equipment such as vehicles and aircraft that require reliability can be expanded.

JP-A-5-76429

By the way, as a means for improving the strength and rigidity in the conventional guide device, it is conceivable to increase the cross-sectional area of the constituent members, but such means is not preferable because it causes an increase in weight. Also, the use of non-ferrous metal materials can be considered for weight reduction, but for example, aluminum alloys and the like can be reduced in weight, but they are generally inferior in strength and rigidity compared to iron-based metals. Although it contributes to weight reduction and rigidity improvement, it is low in cost competitiveness.

For example, magnesium is more flammable than iron and aluminum due to its nature.For example, it has to be careful about the heat generated by friction during drilling, so it is more productive than iron and aluminum. As a result, the processing cost was high.

The present invention has been made in view of the various problems existing in the above-described prior art. The purpose of the present invention is to increase the manufacturing cost while maintaining the strength and rigidity as compared with the conventional guide device. An object of the present invention is to provide a guide device that is reduced in weight while being suppressed.

The guide device according to the present invention includes a first slide member formed extending in the longitudinal direction, a second slide member assembled so as to be relatively slidable in the longitudinal direction of the first slide member, and the first slide. A first moving mechanism provided between the first slide member and the second slide member to enable relative sliding movement of the second slide member with respect to the member; and a longitudinal direction of the second slide member A third slide member assembled in a relatively slidable manner, and the second slide member and the third slide member to enable relative slide movement of the third slide member relative to the second slide member. A second moving mechanism provided between the first slide member and the front of the second slide member For at least part of the region other than the portion assembled third sliding member assembled, it is characterized in that the sheet-shaped reinforcing member is attached.

According to the present invention, it is possible to provide a guide device that is reduced in weight while suppressing an increase in manufacturing cost while maintaining strength and rigidity as compared with a conventional guide device.

FIG. 1 is an external perspective view showing the overall configuration of the guide device according to the first embodiment, and shows a state in which the first slide member and the third slide member are stored with respect to the second slide member. . FIG. 2 is an external perspective view showing the entire configuration of the guide device according to the first embodiment, and shows a state in which the first slide member and the third slide member are pulled out with respect to the second slide member. . FIG. 3 is a cross-sectional view showing a cross section taken along line AA in FIG. FIG. 4 is a diagram for explaining an effect that can be exhibited by the guide device according to the first embodiment. FIG. 5 is an external perspective view showing the entire configuration of the guide device according to the second embodiment, and shows a state in which the first slide member and the third slide member are stored with respect to the second slide member. . FIG. 6 is an external perspective view showing the overall configuration of the guide device according to the second embodiment, and shows a state in which the first slide member and the third slide member are pulled out with respect to the second slide member. . FIG. 7 is a diagram for explaining a specific configuration of the first and third slide members and the first and second moving mechanisms constituting the guide device according to the second embodiment, and is a partial view in the drawing. (A) is a perspective view showing an external configuration, and (b) is a cross-sectional view of a main part showing a configuration of a slide moving mechanism. FIG. 8 is an external perspective view showing a second slide member constituting the guide device according to the second embodiment. FIG. 9 is a diagram for explaining an effect that can be exhibited by the guide device according to the second embodiment. FIG. 10 is a diagram illustrating examples of various modifications that can be taken by the second slide member of the guide device according to the present invention. FIG. 11 is a diagram illustrating examples of various modifications that can be taken by the second slide member of the guide device according to the present invention.

A guide device according to an aspect of the present invention includes a first slide member formed extending in a longitudinal direction, a second slide member assembled so as to be relatively slidable in the longitudinal direction of the first slide member, A first moving mechanism provided between the first slide member and the second slide member to enable relative sliding movement of the second slide member with respect to the first slide member; and the second slide member A third slide member assembled so as to be relatively slidable in the longitudinal direction of the second slide member, and the second slide member and the first slide member to enable relative slide movement of the third slide member with respect to the second slide member. A second moving mechanism provided between the three slide members, the first slide member in the second slide member For at least part of the region other than the portion assembled pre said third slide member is assembled, in which sheet-shaped reinforcing member is attached. In the guide device according to this embodiment, it is assumed that the second slide member is made of a non-ferrous metal material such as an aluminum alloy. In this guide device, it is assumed that the reinforcing member is a UD (Uni-Directional) tape made of a carbon fiber reinforced plastic material. By sticking the UD tape to the second slide member made of an aluminum alloy, it is possible to reduce the weight while maintaining the same strength and rigidity as when the second slide member is made of only an iron-based material. . Moreover, the method of sticking a UD tape on the second slide member made of an aluminum alloy can improve strength and rigidity while suppressing an increase in manufacturing cost as compared with a conventional guide device.

Note that the UD tape is one in which fibers are aligned in one direction. That is, it is a reinforcing member formed by extending the carbon fiber direction of the carbon fiber reinforced plastic material in one direction. And in this embodiment, one direction which is the carbon fiber direction of the carbon fiber reinforced plastic material of the UD tape is the second direction with respect to the second slide member which is formed to extend in the longitudinal direction and serves as a reference for guidance. The direction is substantially parallel to the longitudinal direction of the slide member. Therefore, when a force in the bending direction is applied to the second slide member as the beam member formed extending in the longitudinal direction, the UD tape exhibits an action of a force that resists the force in the bending direction. Even when the two-sliding member is an aluminum alloy, the aluminum alloy and the UD tape cooperate to provide the same strength and rigidity as the second sliding member in the case of being composed only of an iron-based material, and can be reduced in weight. It is possible to realize a second slide member that realizes cost reduction.

The basic configuration of the guidance device according to the present embodiment has been described above. Next, specific examples of the present invention will be described with reference to the drawings. The following embodiments do not limit the invention according to each claim, and all combinations of features described in each embodiment are essential for the solution of the invention. Not exclusively.

[First embodiment]
A guide device 10 according to the first embodiment will be described with reference to FIGS. Here, FIG. 1 is an external perspective view showing the overall configuration of the guide device according to the first embodiment, and shows a state in which the first slide member and the third slide member are stored with respect to the second slide member. Show. On the other hand, FIG. 2 is an external perspective view showing the entire configuration of the guide device according to the first embodiment, and shows a state in which the first slide member and the third slide member are pulled out with respect to the second slide member. ing. FIG. 3 is a cross-sectional view showing a cross section taken along line AA in FIG. Furthermore, FIG. 4 is a figure for demonstrating the effect which the guide apparatus based on a 1st Example can exhibit. In this specification, the direction of the guide device 10 is defined as shown in FIGS. 1 to 3 for convenience of explanation. However, this direction does not indicate a direction when the guide device 10 according to the first embodiment is used, and the guide device 10 according to the first embodiment can be used in any posture. That is, the directions of “front, back, up, down, left, right” shown in FIGS. 1 to 3 are determined for convenience of explanation.

The guide device 10 according to the first embodiment includes a second slide member 11 formed to extend in the longitudinal direction, and a first slide member 21 assembled so as to be relatively slidable in the longitudinal direction of the second slide member 11. And a third slide member 31 assembled so as to be relatively slidable in the longitudinal direction of the second slide member 11. In the first embodiment, the first slide member 21 is disposed on the right side of the second slide member 11, and the third slide member 31 is disposed on the left side of the second slide member 11.

As shown in FIG. 3, the second slide member 11 is a long shaft-shaped member having a substantially H-shaped cross section, and includes a pair of upper and

lower side walls

12 and 13 and a connecting wall 14 that connects the

side walls

12 and 13. Prepare. The

side walls

12 and 13 and the connecting wall 14 are integrally formed. By forming the second slide member 11 integrally with a substantially H-shaped cross section, the connecting wall 14 can be made thinner and lighter than when two U-shaped or C-shaped channels are joined back to back. be able to. In the guide device 10 according to the first embodiment, the second slide member 11 is formed of an aluminum alloy.

Between the pair of upper and

lower side walls

12 and 13 constituting the second slide member 11, a first slide member 21 and a third slide member 31 are slidably installed in the front-rear direction via a plurality of balls 41. The cross-sectional shapes of the first slide member 21 and the third slide member 31 are substantially rectangular. The first slide member 21 and the third slide member 31 are arranged on the left and right sides of the connecting wall 14 of the second slide member 11 that is symmetric. That is, the first slide member 21 and the third slide member 31 are disposed so as to be housed in a space surrounded by three sides by the pair of upper and

lower side walls

12 and 13 and the connecting wall 14.

A second slide member side ball rolling groove 15 as a second slide member side rolling element rolling surface is formed on the inner surface of each of the upper and

lower side walls

12 and 13 of the second slide member 11. The second slide member-side ball rolling groove 15 is formed in a total of four strips, one on each side of the inner surfaces of the upper and

lower side walls

12 and 13 of the second slide member 11. On the other hand, on the upper and lower surfaces of the first slide member 21 and the third slide member 31, the first slide member side rolling element rolling surface and the third slide member side roll facing the second slide member side ball rolling groove 15, respectively. The first slide member-side ball rolling groove 25 and the third slide member-side ball rolling groove 35 as the moving body rolling surface are formed one by one. That is, a total of two first slide member-side ball rolling grooves 25 are formed on the upper and lower surfaces of the first slide member 21, and on the upper and lower surfaces of the third slide member 31, A total of two third slide member side ball rolling grooves 35 are formed one by one. A ball rolling path is formed by the second slide member side ball rolling groove 15 and the first and third slide member side

ball rolling grooves

25 and 35 facing each other. The groove cross-sectional shapes of the second slide member side ball rolling groove 15 and the first and third slide member side

ball rolling grooves

25 and 35 can be formed by circular arc grooves made of, for example, a single arc. A plurality of balls 41 are arranged in a rollable state on a ball rolling path constituted by a pair of circular arc grooves arranged.

Since the plurality of balls 41 are held by the plate-like cage 42, when the first slide member 21 and the third slide member 31 are pulled out in the front-rear direction or pulled in from the second slide member 11, respectively. The plurality of balls 41 rolling between the second slide member side ball rolling groove 15 and the first and third slide member side

ball rolling grooves

25 and 35 perform a rolling operation while maintaining the aligned state. It is possible to do. In the guide device 10 according to the first embodiment, the second slide member 11 and the first slide member 21 can be moved relative to each other with respect to the second slide member 11. Between the second slide member 11 and the third slide member 31 in order to enable relative movement of the third slide member 31 with respect to the second slide member 11 and the first movement mechanism of the present invention provided therebetween. The second moving mechanism of the present invention provided in the configuration is constituted by a plurality of balls 41.

Further, in the guide device 10 according to the first embodiment, as shown in FIG. 2, the first slide member 21 and the third slide member 31 are configured to be pulled out in directions opposite to each other with respect to the second slide member 11. Has been. This configuration is for securing the stroke of the first slide member 21 and the third slide member 31 drawn from the second slide member 11.

In the guide device 10 according to the first embodiment described above, the UD tape 51 which is a sheet-like reinforcing member is attached to the upper and lower surfaces of the second slide member 11. The UD tape 51 is made of a carbon fiber reinforced plastic material. More specifically, the UD tape 51 is formed by laminating CFRP (Carbon Fiber Reinforced Plastics) prepregs into a sheet shape. Is formed into a tape shape by applying an adhesive. Therefore, when an external force is applied to the second slide member 11 made of an aluminum alloy, the presence of the UD tape 51 can exhibit the effect of increasing the strength and rigidity of the second slide member 11.

The UD tape 51 is formed such that the carbon fiber direction of the carbon fiber reinforced plastic material constituting the UD tape 51 extends in one direction, and the one direction is substantially parallel to the longitudinal direction of the second slide member 11. It has the feature of being. Accordingly, when a force in the bending direction is applied to the second slide member 11 as a beam member formed extending in the longitudinal direction, the UD tape 51 exerts an action of a force that resists the force in the bending direction. Even if the second slide member 11 is an aluminum alloy, the second slide member 11 made of an aluminum alloy and the UD tape 51 made of a carbon fiber reinforced plastic material cooperate to make the second slide member an iron-based material. It is possible to realize the second slide member 11 having the same strength and rigidity as the case where it is composed of only the material, and realizing weight reduction and cost reduction.

Next, with reference to FIG. 4, a specific effect that can be exhibited by the guide device 10 according to the first embodiment described above will be described. Here, in FIG. 4, the guide device according to the prior art in which the second slide member is formed only of SUS304, which is an iron-based material, and the second slide member 11 are formed by attaching the UD tape 51 to an aluminum alloy. The results of performance comparison between the guide device 10 according to the first embodiment and the guide device according to the comparative example in which the second slide member is formed of only an aluminum alloy are shown.

In the comparative verification experiment shown in FIG. 4, it is an index indicating the difficulty of bending deformation of the beam member, and is a cross-sectional secondary moment I determined by the cross-sectional shape and size of the member and the Young's modulus E of the material. The external dimensions and weights that can be taken by the “prior art”, “first example”, and “comparative example” when the bending rigidity EI represented by the product EI is unified at 4.7 × 10 ⁶ GPa were compared.

First, regarding the external dimensions, the height dimension of the second slide member formed only by SUS304 which is the conventional technology is 27 mm. On the other hand, in the case of the second slide member formed only of the aluminum alloy as a comparative example, when trying to ensure the same bending rigidity EI, the height dimension of the second slide member needs to be 34.5 mm. The external dimensions become very large. In other words, when trying to secure the same bending rigidity as an iron-based material with an aluminum alloy alone, the outer dimensions become very large, which causes restrictions on installation dimensions and the like, and guides under the same conditions as in the prior art. There arises a problem that the device cannot be used. However, in the case of the guide device 10 according to the first embodiment using the second slide member 11 formed by sticking the UD tape 51 to the aluminum alloy, the first case in which the same bending rigidity EI as that of the conventional technique is ensured. The height dimension of the two slide members 11 is 27 mm. Further, since the height dimension of all the members including the thickness dimension of the UD tape 51 attached to the upper and lower surfaces of the second slide member 11 is 30.8 mm, the influence on the constraint conditions such as the installation dimension is minimized. Is suppressed. Furthermore, the second slide member 11 according to the first embodiment can ensure the same bending rigidity EI by being formed with the same dimensions as the second slide member according to the prior art composed only of iron-based material. Thus, the guide device 10 according to the first embodiment can be realized without changing the design of other components such as the ball 41, the first slide member 21, and the third slide member 31.

In addition, the weights of “prior art”, “first example”, and “comparative example” were compared. Here, the weight of the second slide member was compared based on the weight when the length in the longitudinal direction was 450 mm. First, the weight of the second slide member formed only with SUS304 which is the prior art was 1,085 g. Moreover, the weight of the 2nd slide member formed only with the aluminum alloy which is a comparative example was 644g. On the other hand, in the case of the guide device 10 according to the first embodiment using the second slide member 11 formed by sticking the UD tape 51 to the aluminum alloy, the weight of the second slide member 11 is 498 g, Compared to the technology, a weight reduction of 587 g was realized, and further, a weight reduction of 146 g was realized as compared with the comparative example in which the second slide member was constituted by a single aluminum alloy.

From the verification results described with reference to FIG. 4, in the guide device 10 according to the first embodiment using the second slide member 11 made of an aluminum alloy and the UD tape 51 made of a carbon fiber reinforced plastic material, Compared to the prior art in which the second slide member is configured only by itself and the comparative example in which the second slide member is configured by a single aluminum alloy, the increase in strength and rigidity is realized while suppressing an increase in the outer dimensions. In particular, in the guide device 10 according to the first embodiment, the second slide member 11 having the same dimensions as that of the conventional technique is manufactured from an aluminum alloy, and the UD tape 51 is attached to the surface thereof. Thus, the weight-reduced guide device 10 can be realized while maintaining the strength and rigidity. That is, according to the guide device 10 according to the first embodiment, a guide device capable of obtaining an effect of expanding the use range based on weight reduction while suppressing an increase in manufacturing cost as compared with the related art is realized. .

The guide device 10 according to the first embodiment has been described above with reference to FIGS. Next, an embodiment different from the first embodiment that the present invention can take will be described with reference to FIGS.

[Second Example]
A guide device 110 according to the second embodiment will be described with reference to FIGS. Here, FIG. 5 is an external perspective view showing the entire configuration of the guide device according to the second embodiment, and shows a state in which the first slide member and the third slide member are stored with respect to the second slide member. Show. On the other hand, FIG. 6 is an external perspective view showing the entire configuration of the guide device according to the second embodiment, and shows a state in which the first slide member and the third slide member are pulled out from the second slide member. ing. FIG. 7 is a diagram for explaining a specific configuration of the first and third slide members and the first and second moving mechanisms constituting the guide device according to the second embodiment. Part (a) is a perspective view showing an external configuration, and part (b) is a cross-sectional view of a main part showing a configuration of a slide moving mechanism. Further, FIG. 8 is an external perspective view showing a second slide member constituting the guide device according to the second embodiment. Furthermore, FIG. 9 is a figure for demonstrating the effect which the guide apparatus which concerns on a 2nd Example can exhibit. In the present specification, for the convenience of explanation, the direction of the guide device 110 is defined as shown in FIGS. However, this direction does not indicate the direction when the guide device 110 according to the second embodiment is used, and the guide device 110 according to the second embodiment can be used in any posture. That is, the directions of “front, back, top, bottom, left, right” shown in FIGS. 5 and 6 are determined for convenience of explanation.

The guide device 110 according to the second embodiment includes a second slide member 111 that extends in the longitudinal direction and a first slide member 121 that is assembled so as to be relatively slidable in the longitudinal direction of the second slide member 111. And a third slide member 131 assembled so as to be relatively slidable in the longitudinal direction of the second slide member 111. In the second embodiment, the first slide member 121 is disposed on the right side of the second slide member 111, and the third slide member 131 is disposed on the left side of the second slide member 111.

As shown in FIG. 8, the second slide member 111 is a long plate-shaped member having a flat plate shape. In the guide device 110 according to the second embodiment, the second slide member 111 is formed of an aluminum alloy.

On the other hand, each of the first slide member 121 and the third slide member 131 includes two first slide member-side rolling element rolling surfaces and a third slide member-side rolling element rolling surface that are formed to extend in the slide movement direction. Are formed as a track rail member having a first slide member side ball rolling groove 122 and a third slide member side ball rolling groove 132. Moreover, the 1st moving mechanism 123 and the 2nd moving mechanism 133 which concern on a 2nd Example are the 1st and 3rd slide member side of the some strip formed in the 1st slide member 121 and the 3rd slide member 131, respectively. The

ball rolling grooves

122 and 132 are formed as a block member that can freely circulate a plurality of balls 141 that can freely roll and is fixedly installed on a second slide member 111 that is formed in a plate shape. That is, in the second embodiment, the first slide member 121 and the first moving mechanism 123 are constituted by the linear guide shown in FIG. 7, and the third slide member 131 and the second moving mechanism 133 are linear shown in FIG. Consists of guides. In the second embodiment, the first moving mechanism 123 configured as a block member and the second moving mechanism 123 are configured for each of the first slide member 121 and the third slide member 131 configured as one track rail member. A configuration in which two moving mechanisms 133 are installed is employed.

Here, specific configurations of the first slide member 121 and the third slide member 131 configured as linear guides, the first moving mechanism 123, and the second moving mechanism 133 will be described with reference to FIG.

As shown in FIG. 7, the linear guide according to the second embodiment is freely movable through a first slide member 121 and a third slide member 131 as track rail members, and a plurality of balls 141 on the track rail member. A first moving mechanism 123 and a second moving mechanism 133 are provided as block members to be attached.

The first slide member 121 and the third slide member 131 are long members having a cross section orthogonal to the longitudinal direction formed in a substantially rectangular shape or a substantially trapezoidal shape, and on the surface thereof, a raceway surface on which the ball 141 rolls. The first slide member side rolling element rolling surface and the first slide member side ball rolling groove 122 and the third slide member side ball rolling groove 132 as the first slide member side rolling element rolling surface are The slide member 121 and the third slide member 131 are formed over the entire length. Here, the number of grooves of the first and third slide member side

ball rolling grooves

122 and 132 illustrated in FIG. 7 is set to be two in total on the left and right, but the number of grooves is as follows. Can be changed arbitrarily. Furthermore, the linear guide illustrated in FIG. 7 is illustrated as a so-called total ball type linear guide in which only a plurality of balls 141 are aligned and rolled, but for example, the ball 141 as a rolling element is changed to a roller. can do. The present invention can also be applied to a linear guide of a type in which the ball 141 is held and aligned by a retainer that holds the ball 141.

On the other hand, in the first moving mechanism 123 and the second moving mechanism 133 as the block members, the tracks on which the balls 141 roll at positions corresponding to the first and third slide member side

ball rolling grooves

122 and 132 of the track rail members, respectively. Loaded rolling element rolling surfaces 124 and 134 are provided as surfaces. The first and third slide member side

ball rolling grooves

122 and 132 of the first slide member 121 and the third slide member 131, and the loaded rolling element rolling surfaces 124 and 134 of the first moving mechanism 123 and the second moving mechanism 133. Thus, the rolling rolling element rolling paths 127 and 137 are formed, and the plurality of balls 141 are arranged so as to be able to roll while receiving a load. Further, as shown in FIG. 7, the first moving mechanism 123 and the second moving mechanism 133 include unloaded return passages 128 and 138 extending in parallel with the load rolling element rolling paths 127 and 137 at a predetermined interval, and load Direction change paths 129 and 139 connecting the rolling element rolling paths 127 and 137 and the no-load return paths 128 and 138 are provided. One infinite circulation path is formed by a combination of one loaded rolling element rolling path 127, 137 and unloaded return path 128, 138 and a pair of direction changing paths 129, 139 connecting them. A plurality of balls 141 are installed in an infinite circulation path composed of loaded rolling element rolling paths 127, 137, no-load return paths 128, 138, and a pair of direction changing paths 129, 139 so as to allow infinite circulation. Thus, the first moving mechanism 123 and the second moving mechanism 133 are reciprocally movable relative to the first slide member 121 and the third slide member 131.

The first moving mechanism 123 and the second moving mechanism 133 as the block members described above are fixedly installed on the plate-like second slide member 111, so that the second embodiment shown in FIGS. A guide device 110 is configured. Further, as shown in FIG. 6, the guide device 110 according to the second embodiment is configured such that the first slide member 121 and the third slide member 131 are pulled out in opposite directions with respect to the second slide member 111. It is possible. This configuration is for securing the stroke of the first slide member 121 and the third slide member 131 drawn from the second slide member 111.

In the guide device 110 according to the second embodiment described above, the UD tape 151 that is a sheet-like reinforcing member is attached to the upper and lower surfaces of the second slide member 111 (see FIG. 8 and the like). The UD tape 51 is made of a carbon fiber reinforced plastic material. More specifically, the UD tape 51 is formed by laminating CFRP (Carbon Fiber Reinforced Plastics) prepregs into a sheet shape. Is formed into a tape shape by applying an adhesive. Therefore, when an external force is applied to the second slide member 111 made of an aluminum alloy, the presence of the UD tape 151 can exhibit the effect of increasing the strength and rigidity of the second slide member 111.

The UD tape 151 is formed such that the carbon fiber direction of the carbon fiber reinforced plastic material constituting the UD tape 151 extends in one direction, and the one direction is substantially parallel to the longitudinal direction of the second slide member 111. It has the feature of being. Therefore, when a force in the bending direction is applied to the second slide member 111 as a beam member formed extending in the longitudinal direction, the UD tape 151 exerts an action of a force against the force in the bending direction. Even if the second slide member 111 is an aluminum alloy, the second slide member 111 made of an aluminum alloy and the UD tape 151 made of a carbon fiber reinforced plastic material cooperate to make the second slide member an iron-based material. It is possible to realize the second slide member 111 having strength and rigidity equivalent to that of the case where only the material is configured, and realizing weight reduction and cost reduction.

Next, with reference to FIG. 9, a specific effect that can be exhibited by the guide device 110 according to the second embodiment described above will be described. Here, in FIG. 9, the guide device 110 according to the second embodiment in which the second slide member 111 is formed by sticking the UD tape 151 to the aluminum alloy, and the second slide member is formed only of the aluminum alloy. A result of performance comparison with the guide device according to the comparative example is shown.

In the comparative verification experiment shown in FIG. 9, it is an index indicating the difficulty of bending deformation of the beam member, and includes the cross-sectional secondary moment I determined by the cross-sectional shape and size of the member and the Young's modulus E of the material. The external dimensions and weights that the “second example” and “comparative example” can take when the bending rigidity EI represented by the product EI is unified at 10 × 10 ⁵ GPa were compared.

First, regarding the external dimensions, in the case of the second slide member formed only of the aluminum alloy as a comparative example, when trying to ensure that the bending rigidity EI is 10 × 10 ⁵ GPa, the height dimension of the second slide member Required 26 mm and a width of 9 mm. On the other hand, in the case of the guide device 110 according to the second embodiment using the second slide member 111 formed by sticking the UD tape 151 to the aluminum alloy, the second slide member when the same bending rigidity EI is secured. The height dimension of 111 is 24 mm. Further, the height dimension of all members including the thickness dimension of the UD tape 151 attached to the upper and lower surfaces of the second slide member 111 could be 26 mm. Furthermore, the width dimension of the second slide member 111 can be 5 mm, and the width dimension of the UD tape 151 attached to the upper and lower surfaces of the second slide member 111 can be 4 mm. Thus, compared with the second slide member according to the comparative example formed only of the aluminum alloy, the second slide including the UD tape 151 in the second embodiment has the same bending rigidity EI. By setting the total height dimension of the member 111 to the same dimension and the width dimension to −4 mm, the outer dimension can be reduced. That is, according to the second slide member 111 according to the second embodiment, it is possible to minimize the influence on the constraint conditions such as the installation dimensions.

Also, the weights of “Second Example” and “Comparative Example” were compared. Here, the weight of the second slide member was compared based on the weight when the length in the longitudinal direction was 450 mm. First, the weight of the 2nd slide member formed only with the aluminum alloy which is a comparative example was 283g. On the other hand, in the case of the guide device 110 according to the second embodiment using the second slide member 111 formed by attaching the UD tape 151 to the aluminum alloy, the weight of the second slide member 111 is 156 g. Compared with the comparative example which comprised the 2nd slide member with the alloy single-piece | unit, the weight reduction of 127g was implement | achieved.

From the verification results described with reference to FIG. 9, in the guide device 110 according to the second embodiment in which the second slide member 111 made of an aluminum alloy and the UD tape 151 made of a carbon fiber reinforced plastic material are used in combination, the aluminum alloy alone Compared with the comparative example which comprised the 2nd slide member, weight reduction is implement | achieved, suppressing the increase in an external dimension. In particular, in the guide device 110 according to the second embodiment, the second slide member 111 can be manufactured with an aluminum alloy and the UD tape 151 can be simply attached to the surface thereof. A guide device capable of obtaining an effect of expanding the use range based on weight reduction has been realized.

The preferred embodiments and examples of the present invention have been described above. However, the technical scope of the present invention is not limited to the scope described in the above embodiments and examples. Various modifications or improvements can be added to the embodiment and each example.

For example, the second slide member 111 according to the second embodiment described above was a long plate-shaped member having a flat plate shape. However, various forms can be adopted for the second slide member used in the guide device according to the present invention. That is, as shown in FIG. 10, a guide device 210 using a second slide member 211 whose outer appearance is bent into an approximately L shape may be configured, and as shown in FIG. 11, the outer appearance is bent into an approximately S shape. Alternatively, the guide device 310 using the second slide member 311 may be configured. 10 and 11 are diagrams showing examples of various modifications that can be taken by the second slide member of the guide device according to the present invention.

For example, the value of the bending rigidity EI shown in FIGS. 4 and 9 can be applied to the guide device of the present invention based on the following concept. That is, regarding the rigidity value as a whole combining the second slide member and the reinforcing member,
-For the part (second slide member) where the rolling surface of the second slide member side rolling element is formed, the Young's modulus (or tensile elastic modulus) of the material (aluminum, iron, etc.) and the secondary moment of the section Let the product be A,
-For the CFRP part (reinforcing member) bonded to the second slide member, when the product of the Young's modulus (or tensile elastic modulus) of the CFRP part and the cross-sectional secondary moment is B,
The total rigidity value of the second slide member and the reinforcing member is the sum of two products (product A + B). When designing the shape of the second slide member so as to have a certain rigidity value, the design value can be obtained by the above formula (product A + B). The above-mentioned reinforcing member is exemplified by CFRP. However, in the case of different materials such as GFRP (Glass Fiber Reinforced Plastics), the Young's modulus (tensile modulus) of each material is applied. That's fine. Even when there are two or more types of materials for the second slide member and the reinforcing member, the overall rigidity value can be calculated by the above formula. Even when the material of the second slide member is resin and the material of the reinforcing member is aluminum, the rigidity value and the shape of the second slide member can be obtained by the above formula. As described above, the guide device according to the present invention can be used by being applied to all use conditions.

In addition, for example, as to the type of reinforcing member employed, in addition to the above-mentioned CFRP (Carbon Fiber Reinforced Plastics), GFRP (Glass Fiber Reinforced Plastics) and KFRP (Kevlar Fiber Reinforced) Plastics: aramid fiber reinforced plastic) can be used, or a combination of these plural types of materials may be used. In addition, CFRP and the like are very excellent in terms of strength and rigidity. By changing the lamination direction and the number of lamination of carbon fibers, it is possible to give strength to a desired shape and reduce the weight. Also good.

For example, in the first and second embodiments described above, the

UD tapes

51 and 151 are attached to the entire upper and lower surfaces of the

second slide members

11 and 111, but in the present invention, The attachment range of the

UD tapes

51 and 151, which are reinforcing members, can be appropriately changed according to the specification conditions of the guide device.

Further, for example, in the first and second embodiments described above, it is assumed that the second slide member is made of a non-ferrous metal material such as an aluminum alloy, but the second slide member of the present invention includes an iron-based metal. Materials may be employed.

It is apparent from the scope of the claims that the embodiment added with such changes or improvements can also be included in the technical scope of the present invention.

The guide device according to the present invention can be used, for example, as a device for guiding a table, drawer, cabinet, equipment, etc. drawn out and pulled in, and its usage range is in the field of transport equipment such as vehicles and aircraft, It can be used in all industrial fields such as medical equipment such as inspection machines, production equipment such as machine tools, and consumer equipment such as furniture.

10, 110, 210, 310 guide device, 11, 111, 211, 311 second slide member, 12, 13 side wall, 14 connecting wall, 15 second slide member side ball rolling groove (second slide member side rolling element rolling) Running surface), 21 first slide member, 25, 122 first slide member side ball rolling groove (first slide member side rolling element rolling surface), 31 third slide member, 35, 132 third slide member side ball Rolling groove (third sliding member side rolling element rolling surface), 41 ball (first moving mechanism, second moving mechanism), 42 cage, 51, 151 UD tape (reinforcing member), 121 first sliding member (track) Rail member), 131 third slide member (track rail member), 123 first moving mechanism (block member), 133 second moving mechanism (block member), 12 , 134 loaded rolling member rolling surface, 127 and 137 loaded rolling member rolling passage, 128, 138 unloaded return path, 129 and 139 the direction changing passage, 141 balls.

Claims

A first slide member formed extending in the longitudinal direction;
A second slide member assembled so as to be relatively slidable in the longitudinal direction of the first slide member;
A first movement mechanism provided between the first slide member and the second slide member to enable relative sliding movement of the second slide member with respect to the first slide member;
A third slide member assembled so as to be relatively slidable in the longitudinal direction of the second slide member;
A second moving mechanism provided between the second slide member and the third slide member to enable relative sliding movement of the third slide member with respect to the second slide member;
A guide device comprising:
A guide device in which a sheet-like reinforcing member is affixed to at least a part of a region of the second slide member other than an assembly location where the first slide member and the third slide member are assembled.
The guide device according to claim 1, wherein
The guide device, wherein the reinforcing member is a UD tape made of a carbon fiber reinforced plastic material.
In the guidance device according to claim 2,
The guide is characterized in that the carbon fiber direction of the carbon fiber reinforced plastic material constituting the UD tape is formed to extend in one direction, and the one direction is substantially parallel to the longitudinal direction of the second slide member. apparatus.
The guide device according to any one of claims 1 to 3,
Said 2nd slide member consists of nonferrous metal materials, The guide apparatus characterized by the above-mentioned.
The guide device according to any one of claims 1 to 4,
The second slide member is a four-slide second-slide-member-side rolling element formed with a substantially H-shaped longitudinal section in a direction perpendicular to the longitudinal direction of the second slide member and extending in the longitudinal direction. Has a rolling surface,
Each of the first slide member and the third slide member has two first slide member side rolling element rolling surfaces and a third slide member side rolling element rolling surface formed to extend in the slide movement direction. And
Said 1st moving mechanism and said 2nd moving mechanism are each the 4th 2nd slide member side rolling element rolling surface formed in said 2nd slide member, said 1st slide member, and said 3rd slide member Including a rolling element that is arranged to freely roll between the first slide member-side rolling element rolling surface and the third slide member-side rolling element rolling surface that are formed in a total of four in a row. Guidance device.
The guide device according to any one of claims 1 to 4,
The second slide member is formed in a plate shape,
Each of the first slide member and the third slide member has a plurality of first slide member-side rolling element rolling surfaces and a third slide member-side rolling element rolling surface that are formed extending in the slide movement direction. Formed as a track rail member,
The first moving mechanism and the second moving mechanism include a plurality of first slide member side rolling element rolling surfaces and third slide member side rolls formed on the first slide member and the third slide member, respectively. A plurality of rolling elements whose rolling surfaces can be freely rolled are allowed to endlessly circulate and are formed as block members fixedly installed on the second slide member formed in a plate shape. Guide device.