JP2013113410A - Linear motion guide device, and method for assembling the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a linear motion guide device facilitating the incorporation of rollers and the confirmation of the incorporated state.SOLUTION: A slider body 12 and a temporary shaft 24 are placed upside down so that the rail bottom face side 24e of the temporary shaft 24 is on the topside (step 302), and a notched part 24d of the temporary shaft 24 is moved to form an open part 12d on a roller raceway surface 12b of a second passage of the slider body 12 (step 303). A roller insertion tool 38 is installed at the open part 12d of the roller raceway surface 12b of the second passage and at the installation surface 12c of a return passage 12a' of a first passage to incorporate the rollers 37 (step 305). After the incorporation is completed (step 306: Yes), a mounting cover 16 is mounted to the return passage 12a' of the first passage (step 307), and the temporary shaft 24 is moved to detach the notched part 24d from the slider body 12 (step 308). The slider body 12 is then moved to a guide rail 14 (step 309).

Description

  The present invention relates to a linear motion guide device including a roller used as a linear guide in industrial machines such as machine tools and conveyors, and an assembling method thereof, and more particularly, to a linear motion guide device that facilitates incorporation of a roller and confirmation of the state of incorporation. It relates to the assembly method.

  A linear motion guide device used in industrial machines such as machine tools and conveyors achieves smooth relative movement in the longitudinal direction by bringing a number of rolling elements incorporated in a slider into contact with a guide rail. The rolling element moves on the guide rail and the track surface provided on the slider, changes the moving direction in the circulation path provided on the end caps at both ends in the longitudinal direction of the slider, and goes around to the original track surface through the return path. .

  As a method of assembling the linear motion guide device, an air inlet is provided in the pipe that supplies the rolling element, the rolling element is poured into the groove, and finally a rolling plate is inserted into the slit provided in the pipe and the rolling element is pushed in. (For example, refer to Patent Document 1), a part provided with a lid so that the rolling element does not escape from a part of a return passage provided on the side surface (for example, refer to Patent Document 2), and an end cap is removed or end There are some which assemble a roller by providing an insertion hole in a cap (see, for example, Patent Document 3 and Patent Document 4).

JP-A-4-283032 Japanese Utility Model Publication No. 5-8037 Japanese Patent No. 3299450 Japanese Patent No. 4561087

  However, in Patent Document 1, the confirmation of the assembled state can be determined only by whether or not the ball remains in the pipe, and the state in the circulation path cannot be confirmed. In addition, when an incorporation failure occurs, it is necessary to disassemble and return to the state before incorporation. In Patent Document 2, when a rolling element is a roller, when a roller is incorporated from a lid provided on a side surface, depending on the angle of the roller, a space for installing a jig for inserting the roller is blocked by a flange portion. Therefore, the flange shape is limited in consideration of workability.

  In Patent Document 3, if there is a defect in the roller assembly, it is necessary to remove the roller chain if it is being incorporated, and if an incorporation defect is found during shipping inspection after assembly, the end cap must also be removed. And it takes time. In Patent Document 4, if there is a poor incorporation, the work from the insertion hole is required, which is troublesome.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a linear motion guide device and an assembling method thereof in which it is easy to incorporate a roller and check the assembled state.

  In order to achieve the above object, the linear motion guide device of the present invention has a roller raceway surface of the first flow path at both inner upper portions in the longitudinal direction and a roller raceway surface of the second flow path at both inner lower portions, and both outer upper portions. A slider main body formed with a return passage of the second flow passage and a return passage of the first flow passage opened outward at both outer lower portions, and attached to both ends in the longitudinal direction of the slider main body. An end cap provided with a circulation path communicating the roller raceway surface of one flow path and the return path of the first flow path, the roller raceway surface of the second flow path and the return path of the second flow path, and the slider The main body is straddled so as to be relatively movable, and the first flow path is formed on both upper sides in the longitudinal direction so as to face the roller raceway surface of the first flow path on both inner upper sides of the slider main body and the roller raceway surface of the lower second flow path. Of the second passage in the roller raceway surface and the lower part A linear motion guide device comprising a guide rail having a roller raceway surface and a jig for incorporating a roller, wherein at one end of the guide rail, the convex portion on the bottom side of the guide rail is partially cut away A temporary shaft having a notch formed thereon, moving the notch of the temporary shaft attached to the slider body to the slider body to form an open portion on the roller raceway surface of the second flow path, The jig is installed in the opening portion of the roller raceway surface of the second flow path of the slider body and the return path of the first flow path, and a roller is incorporated.

In order to achieve the above object, the assembly method of the linear motion guide device of the present invention is such that the roller raceway surface of the first flow path is on the inner upper side in the longitudinal direction and the roller raceway surface of the second flow path is on the inner lower side. A slider main body formed on both outer tops with a return passage of the second flow path and open on the outer lower sides outwardly of the first flow path; and a longitudinal direction of the slider main body And an end cap for connecting the roller raceway surface of the first flow path and the return path of the first flow path, and the roller raceway surface of the second flow path and the return path of the second flow path. A slider main body is straddled so as to be relatively movable, and a first flow is formed on both upper sides in the longitudinal direction so as to face the roller raceway surface of the first flow path on both inner upper sides of the slider main body and the roller raceway surface of the lower second flow path. On the roller track surface and the bottom of the road A roller raceway surface of two flow paths is formed, and a temporary shaft formed by cutting off a part of the convex portion on the rail bottom surface side at one end portion in the longitudinal direction and a jig for incorporating the roller And a step of attaching the temporary shaft to the slider main body with end caps attached to both ends thereof, and the slider main body and the temporary shaft of the temporary shaft so that the rail bottom side of the temporary shaft is upward. A step of moving the notch portion of the temporary shaft to the slider body and forming an open portion on the roller raceway surface of the second flow path of the slider body by the notch portion; Attaching the jig to the roller raceway surface of the second flow path and the return path of the first flow path; an opening portion of the roller raceway surface of the second flow path of the slider body; and the return path of the first flow path To Performing the step of incorporating the roller by installing,
A step of attaching a cover to the return passage of the first flow path after completion of the incorporation of the roller, and a step of moving the notch portion of the temporary shaft from the open portion of the roller raceway surface of the second flow path of the slider body; Alternatively, after the roller assembly is completed, the step of moving the notch portion of the temporary shaft from the open portion of the roller raceway surface of the second flow path of the slider body and the cover is attached to the return path of the first flow path A process is performed.

  According to the present invention, it is possible to provide a linear motion guide device that easily incorporates a roller and confirms the state of incorporation, and an assembly method thereof.

The perspective view of the linear motion guide apparatus which concerns on embodiment of this invention Sectional drawing of the direction perpendicular | vertical to the longitudinal direction of the linear guide apparatus which concerns on embodiment of this invention The flowchart which shows the assembly method of the linear motion guide apparatus which concerns on embodiment of this invention. The figure which shows the temporary shaft which concerns on embodiment of this invention (a) The front view by the notch part side of a temporary shaft, (b) The side view of the longitudinal direction of a temporary shaft FIG. 4 is a schematic view of a cross section perpendicular to the longitudinal direction of a linear motion guide device incorporating a roller according to an embodiment of the present invention. The figure which looked at the linear motion guide apparatus from the upper side during the assembly | attachment of the roller which concerns on embodiment of this invention, and an assembly completion from the upper side. (A) The figure explaining the position of the temporary shaft and the linear motion guide apparatus in the process of incorporating the roller. ) Diagram explaining the position of the temporary shaft and linear motion guide device after assembly of the roller The figure which shows the roller insertion jig which concerns on embodiment of this invention (a) The front view which looked at the roller insertion jig from the insertion port, (b) The side view of the longitudinal direction of a roller insertion jig The figure showing a mode that a roller is built in the slider main body concerning the embodiment of the present invention. (A) A figure showing a mode that a roller is built directly in the roller track surface of the 2nd channel, and the return passage of the 1st channel, (b) The figure showing a mode that a roller is assembled by providing a confirmation cover on the roller raceway surface of the two channels and the return path of the first channel Sectional drawing which shows return path which concerns on other embodiment of this invention (a) The figure which shows the example which provided the through-hole in the slider main body, and formed the return path (b) Another member which provided the through-hole and formed the return path Showing an example of the slider attached to the slider body The figure which shows the fixing method of the attachment cover of the return channel | path formation member which concerns on other embodiment of this invention (a) The figure which shows the example which covered the return channel | path formation member by screwing a long attachment cover at two points, (b) ) A view showing an example in which the return passage forming member is covered by a mounting cover whose both ends are bent. The figure which shows the shape of the installation surface which concerns on other embodiment of this invention (a) The figure which shows the example which starts from the same height as a roller, and the surrounding installation surface becomes low gradually (b) From the same height as a roller The figure which shows the example where the installation surface around the beginning gradually increases

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a linear motion guide device according to an embodiment of the present invention. FIG. 2 is a cross-sectional view in a direction perpendicular to the longitudinal direction of the linear guide device according to the embodiment of the present invention. As shown in FIGS. 1 and 2, the linear motion guide device 11 includes a slider body 12 that incorporates rollers, end caps 13 that are attached to both ends of the slider body 12 in the longitudinal direction, and a slider body 12 that can move relative to the slider body 12. And a guide rail 14 to be mounted. The slider main body 12, the guide rail 14, and the roller are made of a metal material such as alloy steel, and the roller is formed in a cylindrical shape.

  As shown in FIG. 2, a roller raceway surface 12a of the first flow path is formed at both inner upper portions in the longitudinal direction of the slider body 12, and a roller raceway surface 12b of the second flow path is disposed at both inner lower portions. Are formed with a return passage 12b ′ of the second flow path and a return passage 12a ′ of the first flow path at the outer lower portions.

  The return passage 12b ′ of the second flow path on the outer upper side and the return passage 12a ′ of the first flow path on the lower outer side are formed by attaching the return path forming member 15 to the slider main body 12, The return passage 12a ′ of the first flow path is opened outward, and installation surfaces 12c are provided on both sides of the return passage 12a ′ so as to cover the return flow path 12a ′ of the first flow path when the incorporation of the rollers is completed. A mounting cover 16 is attached. The return path forming member 15 is fixed to the slider body 12 with screws or the like.

  The end cap 13 shown in FIG. 1 is formed on the roller raceway surface 12a of the first flow path formed on the inner upper portion of the slider body 12, the return passage 12a ′ of the first flow passage formed on the outer lower portion, and the inner lower portion. A circulation path is formed so that the upper and lower sides of the roller raceway surface 12 b of the second flow path and the return path 12 b ′ of the second flow path formed on the outer upper portion are switched between the inner side and the outer side of the slider body 12.

  The roller raceway surface 14a of the first flow path that opposes the roller raceway surface 12a of the first flow path inside both sides of the slider main body 12 is formed at the upper part on both sides in the longitudinal direction of the guide rail 14, and the second flow is provided at the lower part on both sides. A roller raceway surface 14b of the second flow path facing the roller raceway surface 12b of the road is formed.

  The mounting cover 16 covers the lower first flow path return passage 12a ′ after the roller is incorporated and holds the roller. The upper cover second flow path 12b ′ and the lower first flow path One bent end is inserted between the return passages 12a ', and the other end on the opposite side is fixed to the center of the bottom of the slider body 12 with a screw.

  FIG. 3 is a flowchart showing an assembling method of the linear guide apparatus according to the embodiment of the present invention. As shown in FIG. 3, first, 13 is attached to the end cap on the slider body 12 and the temporary shaft 24 is mounted (step 301), and the top and bottom are placed so that the rail bottom surface of the temporary shaft 24 is on the slider body 12. Return (step 302). Alternatively, the temporary shaft 24 may be mounted after the top and bottom of the slider body 12 is returned.

  4A and 4B are diagrams illustrating a temporary shaft according to an embodiment of the present invention, in which FIG. 4A is a front view of the temporary shaft on a notch portion side, and FIG. 4B is a longitudinal view of the temporary shaft. It is a side view. As shown in FIG. 4, the temporary shaft 24 has substantially the same shape as the guide rail 14, and at one end in the longitudinal direction of the guide rail 14, a part of the convex portion on the rail bottom surface side 24 e is cut away. A notch 24d is formed, and the roller raceway surface 24b of the second channel facing the roller raceway surface 12b of the second channel inside both sides of the slider body 12 is formed on both upper sides in the longitudinal direction. The first track roller raceway surface 24a facing the roller raceway surface 12a of the first channel is formed.

  The roller raceway surface 24a of the first flow path of the temporary shaft 24 and the roller raceway surface 24b of the second flow path have a roller raceway surface 14a of the first flow path of the guide rail 14 and a roller 37 so that a gap is formed between them. It is formed larger than the roller raceway surface 14b of the second flow path, and the roller 37 can be smoothly circulated through the first flow path and the second flow path during incorporation.

  FIG. 5 is a schematic view of a cross section perpendicular to the longitudinal direction of the linear motion guide device incorporating the roller according to the embodiment of the present invention. As shown in FIG. 5, the linear guide device 21 is upside down so that the rail bottom surface side 24 e of the temporary shaft 24 comes up with the temporary shaft 24 mounted on the slider body 12.

  The vertical relationship of the linear motion guide device 21 is reversed, and the roller track of the second flow path facing the roller track surface 12b of the second flow path inside both sides of the slider body 12 is located at the upper part on both sides of the temporary shaft 24 in the longitudinal direction. The roller passage surface 24a of the first flow path that faces the roller track surface 12a of the first flow path is formed at the lower part of both sides of the surface 24b, respectively. The formed return passage 12a ′ of the first flow path is opened obliquely toward the outside, and the roller raceway surface 12b of the second flow path exists on both inner upper portions.

  Subsequently, when the slider main body 12 is moved to the position of the cutout portion 24d of the temporary shaft 24 (step 303), as shown in FIG. An opening 12d that is opened obliquely outward is formed on the roller raceway surface 12b of the second flow path.

  FIG. 6 is a top view of the linear motion guide device during assembly of the roller according to the embodiment of the present invention and after assembly, and FIG. 6A is a temporary shaft and linear motion guide device during assembly of the roller. FIG. 6B and FIG. 6B are views for explaining the positions of the temporary shaft and the linear motion guide device after the assembly of the rollers.

  As shown in FIG. 6 (a), from the top of the linear motion guide device 21, the return passages 12 a ′ of the first flow paths on both outer tops of the slider body 12 and the second flow paths on both inner tops of the slider main body 12. An opening 12d of the roller raceway surface 12b is opened obliquely, and there are installation surfaces 12c on both sides thereof.

  As shown in FIG. 5, the roller is inserted into the opening portion 12d of the roller raceway surface 12b of the second flow path on both inner sides of the slider body 12 and the installation surfaces 12c on both sides of the return path 12a 'of the first flow path on both outer sides. The jig 38 is attached (step 304), and the rollers 37 arranged in the same direction and accommodated in a row are incorporated into the opening 12d of the roller raceway surface 12b of the second flow path and the return path 12a ′ of the first flow path from the R direction (step). 305). The installation surface 12c is provided so as to start at the same height from the roller 37 side with respect to the center line in the cross-sectional direction of the roller 37 in a state where the roller 37 is incorporated, and to be a target angle therefrom.

  FIG. 7 is a view showing a roller insertion jig according to the embodiment of the present invention. Fig.7 (a) is the front view which looked at the roller insertion jig from the insertion port, FIG.7 (b) is the side view of the longitudinal direction of a roller insertion jig. As shown in FIG. 7, the roller insertion jig 38 has a convex portion 38 a that is in contact with the bottom of the roller raceway surface 12 b of the second flow path and the return path 12 a ′ of the first flow path at the tip, and the second flow A left-right symmetrical frame portion 38c that determines the installation angle of the temporary shaft 24 by contacting the roller raceway surface 12b of the road and the installation surface 12c of the return passage 12a ′ of the first flow path is provided.

  FIG. 8 is a diagram illustrating a state in which the roller is incorporated in the slider body according to the embodiment of the present invention. FIG. 8A shows a state in which the roller is directly incorporated into the roller raceway surface of the second flow path and the return path of the first flow path, and FIG. 8B shows the roller raceway surface of the second flow path and the first flow path. It is a figure showing a mode that a confirmation cover is provided in the return path of one flow path, and a roller is built in.

  As shown in FIG. 8A, the tip convex portion 38a is inserted into the open portion 12d of the roller raceway surface 12b of the second flow path of the slider 12 body or the return passage 12a ′ of the first flow path, The open end 12d of the roller raceway surface 12b of the second flow path or the installation surface 12c around the return path 12a ′ of the first flow path and the frame portion 38c of the roller insertion jig 38 are brought into surface contact with each other, and the tip of the roller insertion jig 38 The roller insertion jig 38 is set with respect to the rolling direction of the roller 37 according to the angle f. The installation angle of the roller insertion jig 38 with respect to the main body of the slider 12 is determined by the tip angle f of the roller insertion jig 38.

  In addition, since the installation surface 12c is symmetrical with respect to the center line of the roller 27 cross section, the orientation of the setting of the insertion jig 38 may be 180 degrees opposite. Therefore, mistakes when setting the roller insertion jig 38 are reduced, and the roller 37 is smoothly incorporated into the first flow path and the second flow path. Further, the roller 38 is opened by the return passages 12a ′ of the first flow paths on both outer upper portions of the slider body 12 that are opened obliquely outward and the opening portions 12d of the roller raceway surfaces 12b of the second flow paths on both inner upper portions. The state of incorporation can be easily confirmed.

  The return passages 12a ′ of the first flow paths on both outer upper sides of the slider body 12 and the opening portions 12d of the roller raceway surfaces 12b of the second flow paths on both inner upper sides are opened obliquely toward the outside. Measures against time troubles are easy, and confirmation work can be visually checked, so workability is good.

  As shown in FIG. 8B, when the transparent confirmation cover 46 is attached, the roller 37 can be prevented from being alternately strayed and lifted from the confirmation cover 46 when the roller 37 is inserted. It can be done more smoothly. If the confirmation cover 46 is provided with a slit that allows the tip of the tweezers to enter, the roller 37 can be moved using tweezers or the like, so that the incorporation becomes even smoother. Further, it is possible to confirm whether the roller 37 is assembled without any problem by the transparent confirmation cover 46.

  Until the assembly of the rollers 37 is completed (step 306: NO), the process returns to step 305 and the assembly process of the rollers 37 is continued (step 305). When it can be confirmed that the roller 37 incorporating 38 from the direction opposite to the R direction in which the roller rolls returns, the assembly of the roller 37 is completed.

  When the incorporation of the roller 37 is completed (step 306: YES), the attachment cover 16 is attached to the return passages 12a ′ of the first flow paths on both outer sides of the slider body 12 (step 307), as shown in FIG. Then, the temporary shaft 24 is moved to remove the notch 24d from the slider body 12 (step 308), and the open portion 12d of the roller raceway surface 12b of the second flow path inside both sides of the slider body 12 is moved by the rail of the temporary shaft 24. The assembly of the slider body 12 is completed by closing.

  After moving the temporary shaft 24 and removing the notch 24d from the slider body 12 (step 308), the attachment cover 16 is attached to the return passages 12a ′ of the first flow paths on both outer sides of the slider body 12. (Step 307).

  Finally, the slider body 12 is moved from the temporary shaft 24 to the guide rail 14 (step 309), and the assembly of the linear motion guide device 21 is completed.

  As described above in detail, according to the embodiment of the present invention, the return passage forming member 15 is attached to the slider body 12 so as to form the return passage 12a ′ of the first flow path so that the temporary shaft 37 comes up. Since the top and bottom of the slider body 12 are reversed, the return passages 12a ′ of the first flow passages on both outer tops of the slider body 12 are opened to the outside, and the installation surfaces 12c on both sides of the return passage 12a ′ of the first flow passage are opened. It was possible to attach the roller insertion jig 38 and incorporate the roller 37 into the first flow path, and to visually confirm the state of incorporation of the roller 37 in the first flow path.

  Further, according to the present invention, the temporary shaft 24 in which the cutout portion 24d is formed at one end portion in the longitudinal direction is mounted, the top and the bottom are reversed so that the temporary shaft 37 is upward, and the slider body 12 is moved to the temporary shaft. Since it has moved to the position of the cutout portion 24d of 24, the cutout portion 24d of the temporary shaft 24 is opened to be inclined obliquely outward toward the roller raceway surface 12b of the second flow path on both inner upper sides of the slider body 12. A portion 12d is formed, and a roller insertion jig 38 can be attached to the installation surface 12c on both sides of the open portion 12d of the roller raceway surface 12b of the second flow path, and the roller 37 can be incorporated into the second flow path from the open portion 12d. Thus, it was possible to visually confirm the state of incorporation of the roller 37 in the second flow path.

  For example, even when the roller 37 is rotated 90 degrees and incorporated, for example, the opening portion 12d of the roller raceway surface 12b of the second flow path and the return path of the first flow path are removed without removing the end cap. Repair work such as reinserting the roller 37 using 12a 'can be performed promptly.

  Further, according to the present invention, the roller insertion jig 38 is attached to the return passage 12a ′ of the first flow path of the slider main body 12 on the rail bottom surface side 24e of the temporary shaft 24 and the open portion 12d of the roller raceway surface 12b of the second flow path. Since the roller 37 is installed by being installed, the roller insertion jig 38 is not affected by the flange portion of the bearing, and the flange shape of the linear motion guide device 11 is not limited.

  FIG. 9 is a cross-sectional view showing a return passage according to another embodiment of the present invention. FIG. 9A is a view showing an example in which a return passage is formed by providing a through hole in the slider body. (b) is a figure which shows the example which attached the another channel | path formation member which provided the through-hole and formed the return channel | path to the slider main body.

  As shown in FIG. 9A, a return passage may be formed by providing a through-hole 51 serving as a return passage 12b 'of the second flow path in the slider 12 body. When the through-hole 51 is provided in the slider 12 main body, the slider main body 12 is made of a metal material such as alloy steel. Therefore, after the circular through-hole 51 is opened, the return passage 12b ′ of the second flow path is made of plastic or the like. Form. Further, as shown in FIG. 9B, the return passage forming member 55 is made of a material that can be easily processed, such as plastic, and the return passage 12a ′ of the first flow path and the return passage 12b ′ of the second flow path. The return passage forming member 55 in which the through holes 52 and 53 are formed may be attached to the slider body 12.

  FIG. 10 is a view showing a method of fixing a mounting cover for a return path forming member according to another embodiment of the present invention. FIG. 10 (a) shows a return path formed by screwing a long mounting cover at two points. The figure which shows the example which covered the member, FIG.10 (b) is a figure which shows the example which covered the return channel | path formation member with the attachment cover where both front-end | tips bent.

  FIG. 10A shows a long attachment between the return path 12b ′ of the second flow path on the outer upper part and the return path 12a ′ of the first flow path on the lower outer side, and at the two points in the center of the bottom side of the slider body 12. FIG. 10B shows an example in which the cover 66 is screwed to cover the return passages 12a ′ of the first flow paths at the lower portions on both outer sides, and FIG. The tip of the mounting cover 76 whose both ends are bent at the two positions of the groove provided between the return passage 12 a ′ of the lower first flow path and the center of the bottom of the slider body 12 is the length of the slider body 12. This is an example in which the return passage 12a ′ of the first flow path at the lower part of both outer sides is inserted from the side surface perpendicular to the direction in the longitudinal direction. As long as the roller 37 does not fall off and is fixed so that foreign matter does not enter, the shape of the attachment cover of the return path forming member 15 and how to attach it may be other embodiments.

  FIG. 11 is a diagram showing the shape of the installation surface according to another embodiment of the present invention. FIG. 11A is a diagram showing an example in which the peripheral installation surface starts from the same height as the roller and gradually decreases, and FIG. 11B starts from the same height as the roller and the peripheral installation surface gradually increases. It is a figure which shows the example which becomes high rapidly.

  The installation surface 82c shown in FIG. 11A is provided so as to start at the same height from the roller 37 side with respect to the center line in the cross-sectional direction of the roller 37 and gradually lower at a target angle with respect to the periphery. The installation surface 83c shown in FIG. 11B is provided so as to start at the same height from the roller 37 side with respect to the center line in the cross-sectional direction of the roller 37 and gradually increase at a target angle with respect to the periphery. It is done.

DESCRIPTION OF SYMBOLS 11 ... Linear motion guide apparatus 12 ... Slider main body 12a ... Roller track surface 12b of 1st flow path ... Roller track surface 12a 'of 2nd flow path ... Return path of 1st flow path 12b '... second passage return passage 12c ... installation surface 12d ... opening portion 13 ... end cap 14 ... guide rail 14a ... first passage roller raceway surface 14b ··· Roller raceway surfaces 15, 55 of the second flow path ··· Return path forming members 16, 66, 76 ··· Mounting cover 24 ··· Temporary shaft 24a ··· Roller raceway surface 24b of the first flow passage ··· Roller raceway surface 24d of second flow path ··· Cutout portion 24e · Rail bottom surface side 37 · · · Roller 38 · · · Roller insertion jig 38a · · · convex portion 38c · · · frame portion 46 ..Confirmation covers 51, 52, 53 ... through hole R ... rolling direction f Angle of ... roller insertion jig and the second flow path of the roller track surface and the first flow path of the return passage 12a '

Claims (6)

The roller raceway surface of the first flow path is formed on both inner tops in the longitudinal direction, the roller raceway surface of the second flow path is located on both lower sides, and the return path of the second flow path is located on both outer tops and outward on both outer lower parts. A slider main body formed with a return path of the first flow path opened by
The slider main body is attached to both longitudinal ends of the slider body and communicates the roller raceway surface of the first flow path with the return path of the first flow path, and the roller raceway surface of the second flow path and the return path of the second flow path. An end cap provided with a circulation path;
The slider main body is straddled so as to be relatively movable, and is opposed to the roller raceway surface of the first flow path on both inner upper sides of the slider main body and the roller raceway surface of the lower second flow path. A guide rail in which the roller raceway surface of the second flow passage is formed at the roller raceway surface and the lower portion of the flow passage, and
A linear motion guide device having a jig for incorporating a roller,
At one end of the guide rail, a provisional shaft is formed by cutting away a part of the convex portion on the bottom side of the guide rail to form a notch,
Moving the notch portion of the temporary shaft attached to the slider body to the slider body to form an open portion on the roller raceway surface of the second flow path;
A linear motion guide device, wherein a roller is incorporated by installing the jig in an opening portion of a roller raceway surface of the second flow path of the slider body and a return path of the first flow path. The return passage of the first flow path at the lower part on both outer sides of the slider body is formed by attaching a return path forming member to the slider body, and the return path of the first flow path is formed by a cover after completion of roller assembly. The linear motion guide device according to claim 1, wherein the linear motion guide device is attached. On both sides of the return passage of the first flow path and the opening portion of the roller raceway surface of the second flow path, the first flow path is formed at the same height as the roller and provided with a symmetrical angle with respect to the center line of the roller. The linear motion guide device according to claim 2, wherein an installation surface is provided. The jig has a shape corresponding to the installation surface, a frame portion that makes surface contact with the installation surface, a convex portion that makes surface contact with the return passage of the first flow path and the open portion of the roller raceway surface of the second flow path. Are provided on the opening of the return passage of the first flow path and the roller raceway surface of the second flow path according to the tip angle of the convex part of the jig and the frame part with respect to the installation surface. 4. The linear motion guide device according to claim 3, wherein A roller raceway surface of the first flow path is formed on both inner tops in the longitudinal direction, and a roller raceway surface of the second flow path is formed on both inner lower parts, and the return path of the second flow path and both outer lower parts are formed on both outer upper parts. A slider main body formed with a return passage of the first flow path opened outward, respectively;
Mounted at both ends in the longitudinal direction of the slider body, the roller raceway surface of the first flow path and the return path of the first flow path, and the roller raceway surface of the second flow path and the return path of the second flow path are connected. End caps to
The slider main body is straddled so as to be relatively movable, and is opposed to the roller raceway surface of the first flow path on both inner upper sides of the slider main body and the roller raceway surface of the lower second flow path. The roller track surface of the second channel is formed on the roller track surface and the lower portion of the channel, respectively, and a notch is formed by cutting off a part of the convex portion on the rail bottom surface side at one end in the longitudinal direction. A temporary axis,
A linear motion guide device having a jig for incorporating a roller,
Attaching the temporary shaft to the slider body with end caps attached to both ends;
Returning the slider body and the top of the temporary shaft so that the rail bottom side of the temporary shaft is on top;
Moving the notch portion of the temporary shaft to the slider body and forming an open portion on the roller raceway surface of the second flow path of the slider body by the notch portion;
Attaching the jig to the roller raceway surface of the second flow path of the slider body and the return path of the first flow path;
Performing the step of installing the jig by installing the jig in the open portion of the roller raceway surface of the second flow path of the slider body and the return path of the first flow path;
A step of attaching a cover to the return passage of the first flow path after completion of the incorporation of the roller, and a step of moving the notch portion of the temporary shaft from the open portion of the roller raceway surface of the second flow path of the slider body;
Alternatively, after the roller assembly is completed, the step of moving the notch portion of the temporary shaft from the open portion of the roller raceway surface of the second flow path of the slider body and the cover is attached to the return path of the first flow path A method for assembling a linear motion guide device, characterized in that the steps are performed. In the step of installing the jig, the jig is attached to the opening portion of the roller raceway surface of the second flow path and the return path of the first flow path obliquely with respect to the rolling direction of the roller. Item 7. A method for assembling the linear motion guide device according to Item 6.

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