WO2005036002A1 - 案内装置 - Google Patents
案内装置 Download PDFInfo
- Publication number
- WO2005036002A1 WO2005036002A1 PCT/JP2004/014628 JP2004014628W WO2005036002A1 WO 2005036002 A1 WO2005036002 A1 WO 2005036002A1 JP 2004014628 W JP2004014628 W JP 2004014628W WO 2005036002 A1 WO2005036002 A1 WO 2005036002A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foreign matter
- intrusion prevention
- matter intrusion
- prevention plate
- track rail
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/08—Arrangements for covering or protecting the ways
- F16C29/084—Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
- F16C29/088—Seals extending in the longitudinal direction of the carriage or bearing body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls
- F16C29/0642—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls
- F16C29/0647—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls with load directions in X-arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/08—Arrangements for covering or protecting the ways
- F16C29/084—Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
- F16C29/086—Seals being essentially U-shaped, e.g. for a U-shaped carriage
Definitions
- the present invention relates to a guide device including a track rail and a moving block movably mounted on the track rail via rolling elements, and is particularly suitable for use in an environment where fine dust is scattered.
- the present invention relates to a guide device.
- a relative movement is performed by interposing a number of rolling elements (balls and rollers) on a track rail 101 (the case where the track block 101 moves while the track rail 101 is fixed, and the case where the movement block 102 is moved).
- a guide device having a moving block 102 which is freely mounted (including a case where the track rail 101 is fixed and moves).
- the moving block 102 straddles the track rail 101 and is assembled in a state where the moving block 102 is folded, and the side lids 104 which are attached to both ends of the moving block main body in a state of straddling the track rail 101 in the relative movement direction.
- the sealing devices 105, 105 have an effect of preventing foreign matter from entering the moving block 102 through a gap between the side surface of the track rail 101 and the inner peripheral surfaces of both ends of the moving block 102.
- Fig. 1 when the rails 101 are installed on a horizontal surface, and the rails 101 are used with the moving block 102 attached, as shown in Fig. 1, No or very little foreign matter such as powder enters the block 102.
- the track rail 101 is mounted on the ceiling surface 106, and the moving block 102 is mounted on the track rail 101, that is, the guide device is used upside down. 3 or when the track rail 101 is mounted horizontally on the wall 107 as shown in FIG. 3 and the moving block 102 is assembled to the track rail 101, that is, when the guide device is used in a wall-mounted state, or FIG.
- the present invention has been made in view of the above points, and even in an environment where a large amount of fine dust flies, a gap force between the side surface of the track rail and the inner surface of the moving block causes foreign matters to enter the moving block. It is an object of the present invention to provide a guide device that does not enter.
- the present invention provides a track rail having a rolling element rolling surface formed in a longitudinal direction, an opening having a substantially U-shaped cross section orthogonal to the track rail longitudinal direction.
- a skirt portion is formed on both sides, and the moving block is mounted on the track rail so as to be relatively movable while straddling the track rail, and the moving block includes a rolling element rolling surface and a load rolling element rolling path.
- the rolling element rolling surface to be formed, the moving block main body in which the rolling element relief hole corresponding to the load rolling element rolling surface is formed, the load rolling element rolling path, and the rolling element circulating path are formed together with the rolling element relief hole.
- a side cover attached to both ends of the moving block body in the relative movement direction so as to straddle the track rail, and the plurality of rolling elements arranged in the rolling element circulation path are provided with a track rail.
- phase of moving block In the guide device configured to circulate through the rolling element circulation path in accordance with the pair movement at least a tip for closing a gap between at least an inner surface of both sides of the skirt portion and an inner surface of the side cover of the moving block main body and a side surface of the track rail has the track rail.
- a foreign matter intrusion prevention plate that comes into contact with the side surface in the longitudinal direction is provided.
- the intrusion prevention device Since the intrusion prevention device is provided, the gap between the track rail and the moving block is closed by the foreign matter intrusion prevention device at the end and the foreign matter intrusion prevention plate, and an attempt is made to enter the moving block. Foreign matter can be blocked almost completely, and smooth rolling of a plurality of rolling elements arranged in the rolling element circuit of the guide device can be maintained for a long time without maintenance.
- the moving block has a plurality of attached devices such as a lubricating oil device mounted on the outer side of the side cover in the relative movement direction so as to straddle the track rail.
- a lubricating oil device mounted on the outer side of the side cover in the relative movement direction so as to straddle the track rail.
- the gap between the inner surface of the attachment and the side surface of the track rail is also closed.
- the present invention is characterized in that, in the above-described guide device, the foreign matter intrusion prevention plate is attached to the end surfaces of the skirt portions on both sides of the moving block main body.
- the foreign matter intrusion prevention plates are attached to the end surfaces of the skirt portions on both sides of the moving block main body, so that the foreign matter intrusion prevention plates can be easily adjusted with screws or the like while adjusting the contact pressure with the track rail side surface. Can be installed.
- the present invention provides the guide device, wherein the outermost auxiliary device of the plurality of auxiliary devices is a metal scraper having a metal plate strength, and the longitudinal end face of the foreign matter intrusion prevention plate is fixed to the metal scraper.
- the foreign matter intrusion prevention plate is a plate made of a material having flexibility at a side end of a plate-like foreign matter intrusion prevention plate storage case made of a highly rigid material.
- a foreign matter intrusion prevention plate main body is attached, and a side end surface of the foreign matter intrusion prevention plate body is brought into contact with the track rail side surface.
- the foreign matter intrusion prevention plate has a configuration in which a plate-like foreign matter intrusion prevention plate body made of a flexible material is attached to a side end portion of a high and rigid material intrusion prevention plate storage case. Therefore, the configuration is simple and the mounting is easy.
- the present invention provides the guide device, wherein the foreign matter intrusion prevention plate is a plate-like foreign matter intrusion prevention plate storage case made of a highly rigid material, and a plate-like foreign matter intrusion prevention plate main body made of a flexible material. And a foreign matter intrusion prevention plate holding plate having a high rigidity, and the foreign matter intrusion prevention plate body is brought into contact with the side surface of the track rail while the foreign matter intrusion prevention plate body is in contact with the side surface of the track rail. In a state where the foreign matter intrusion prevention plate storage case is sandwiched between the holding plate and the foreign matter intrusion prevention plate storage case, the foreign matter intrusion prevention plate storage case is attached to both end surfaces of the skirt portion of the moving block main body.
- the foreign matter intrusion prevention plate is configured such that the foreign matter intrusion prevention plate main body and the foreign matter intrusion prevention plate are held in a state where the side end surface of the foreign matter intrusion prevention plate body is in contact with the side surface of the track rail.
- the structure is such that the foreign matter intrusion prevention plate is attached to the end faces of both sides of the moving block body with the foreign matter intrusion prevention plate sandwiched by the storage case. This makes the processing of the parts extremely easy and inexpensive.
- the present invention is characterized in that, in the above-described guide device, the foreign matter intrusion prevention plate has a configuration in which the side end surface is orthogonal to the side surface of the track rail and is in contact with the side surface.
- the foreign matter intrusion prevention plate has a configuration in which the side end surface thereof is perpendicular to the side surface of the track rail and is in contact therewith, so that foreign matter intrusion can be more effectively prevented.
- the present invention is characterized in that, in the guide device, the foreign matter intrusion prevention plate has a self-lubricating function.
- the foreign matter intrusion prevention plate since the foreign matter intrusion prevention plate has a self-lubricating function, even if the side end surface of the foreign matter intrusion prevention plate body is brought into contact with the side surface of the track rail at a desired surface pressure, the smoothness of the track rail and the guide block is maintained. Relative movement is maintained.
- FIG. 5 is an external perspective view
- FIG. 6 is a sectional view taken along line AA of FIG. 5
- FIG. 7 is a plan view of a moving block
- FIG. It is an exploded perspective view of a block.
- Reference numeral 11 denotes a track rail.
- the track rail 11 has a plurality of (four in the figure) rolling element rolling grooves on which a moving body (ball) rolls in a longitudinal direction. 4 are formed.
- Reference numeral 20 denotes a moving block movably assembled to the track rail 11.
- the moving block 20 includes a moving block main body 21, and side covers 22, 22 attached to both ends of the moving block main body 21 in the moving direction.
- the laminated contact scrapers 25, 25 mounted on the outside, and the metal scrapers 26, 26 mounted on the outside in the moving direction of the laminated contact scrapers 25, 25 are provided.
- the moving block main body 21 has a U-shaped cross section orthogonal to the longitudinal direction of the track rail 11 and has skirt portions 28-1, 28-2 formed on both sides of the opening. It can be assembled.
- the moving block body 21 includes a plurality of rolling elements (four in the figure) that form the rolling element rolling paths 31-1-1314 together with the rolling element rolling grooves 12-1-112-4 formed in the track rail 11. ),
- the rolling element rolling grooves 27-1-27-4 are formed, and the number of rolling element relief holes 29-1-29-4 corresponding to the load rolling element rolling grooves 27-1-27-4 are formed. It is formed.
- the side lid 22 has a U-shaped cross section orthogonal to the longitudinal direction of the track rail 11, and is attached to both ends of the moving block main body 21 in a state of straddling the track rail 11.
- the side covers 22 and 22 have a rolling element rolling path 31-1 formed by the rolling element rolling groove 12-1 of the track rail 11 and the load rolling element rolling groove 27-1 of the moving block body 21.
- the rolling element rolling path 31-2 which connects the rolling element rolling path 31-2 and the rolling element escape hole 29-2 to form a rolling element circulation path, 30-2, 30-2, Rolling element rolling path 31-3 formed by rolling element rolling groove 12-3 of raceway rail 11 and load rolling element rolling groove 27-3 of moving block body 21
- the rolling element direction change paths 30-4 and 30-4 which form the rolling element circulation path by connecting the load rolling element rolling path 31-4 formed by the rolling grooves 27-4 and the rolling element escape hole 29-4 are formed. Is formed.
- the rolling elements (balls) 32 circulate in the rolling element circulation path with the relative movement of the track rail 11 and the moving block 20.
- the lubricating devices 23 and 23 are devices for supplying lubricating oil to the rolling element rolling grooves 12-1 to 12-4 of the track rail 11, and have a U-shaped cross section orthogonal to the longitudinal direction of the track rail 11. It is attached to the outer side in the movement direction of the side lids 22, 22 while straddling the track rail 11.
- the end seals 24, 24 prevent foreign substances and the like adhering to the surface of the track rail 11 from entering the moving block 20, and have a U-shaped cross section orthogonal to the longitudinal direction of the track rail 11.
- the lubricating devices 23 are mounted on the outer side in the moving direction of the lubrication device 23, and the inner peripheral surface is in contact with the surface of the track rail 11.
- the laminated contact scrapers 25, 25 are for preventing fine foreign matter from entering the moving block 20, and have a U-shaped cross section orthogonal to the longitudinal direction of the track rail 11, and are provided inside the casing. A configuration in which a plurality of felt-like plates are stacked in the moving direction. The inner peripheral surface contacts the surface of the track rail 11 and is attached to the outer side in the moving direction of the end seals 24, 24 while straddling the track rail 11. ing.
- the metal scrapers 26 and 26 remove relatively large foreign matters such as chips, spatter, and dust.
- the cross section orthogonal to the longitudinal direction of the track rail 11 has a U-shape, and the inner peripheral surface of the track rail 11 is It is attached to the outer side in the movement direction of the stacked contact scrapers 25, 25 in a state of not contacting the surface and straddling the track rail 11.
- the side cover 22, the lubricating device 23, the end seal 24, the laminated contact scraper 25, and the metal scraper 26 are attached to both ends of the moving block main body 21 with screws 33, 33 in a laminated state.
- Reference numeral 34 denotes a foreign matter intrusion prevention plate, which is attached to the lower end surface of the skirt portion 28-1, 28-2 (see FIG. 6) of the moving block body 21 with a screw 35, and the tip end surface of which is a longitudinal side surface of the track rail 11.
- the gap between the inner surface of the moving block 20 and the side surface of the track rail 11 is closed, and the gap force is also for preventing foreign matter such as fine powder from entering the inside.
- FIG. 9 is a view showing a configuration example of a foreign matter intrusion prevention plate
- FIG. 9a is a plan view
- FIG. 9b is an enlarged end side view.
- the foreign matter intrusion prevention plate 34 includes a foreign matter intrusion prevention plate main body 36 and a foreign matter intrusion prevention plate storage case 37.
- the foreign matter intrusion prevention plate main body 36 is a long plate-like body, and is made of a flexible resin material (for example, urethane pad).
- the foreign substance intrusion prevention plate storage case 37 is made of a highly rigid material, such as a resin material or a metal material, and has a plate-like shape.
- a concave groove 38 to be formed is formed.
- a plurality of (three in the figure) concave grooves 40 for forming screw holes 39 are formed on one surface of the other side end of the foreign matter intrusion prevention plate storage case 37, and the center of each concave groove 40 is formed.
- An oval screw hole 39 is formed in the portion.
- screw holes 42 are formed at both end surfaces of the foreign matter intrusion prevention plate storage case 37.
- the concave groove 40 has a depth such that the head does not protrude above the surface of the foreign matter intrusion prevention plate storage case 37 when the screw 35 is inserted into the screw hole 39.
- the contact pressure on one side edge of the foreign matter intrusion prevention plate body 36 is oval in the screw hole 39, so the foreign matter intrusion prevention plate storage case 37 is pushed toward the track rail 11 with the screw 35 loosened. After adjusting the pressing force, the screw 35 can be tightened and adjusted.
- the length dimension of the foreign matter intrusion prevention plate 34 is a dimension that fits between the metal scrapers 26 and 26 at both ends of the moving block 20, and the screw holes 43 formed in the metal scrapers 26 and 26 (see FIG. 8) ) And screw the tip of the screw into the screw hole 42 on the end surface of the foreign matter intrusion prevention plate storage case 37 to fix the end surface of the foreign matter intrusion prevention plate 34 to the side surface of the metal scraper 26. As a result, the end of the foreign matter intrusion prevention plate 34 does not vibrate or displace.
- the foreign matter intrusion prevention plate 34 which has a small gap between the end surfaces (lower end surface in the figure) of the skirt portions 28-1, 28-2 on both sides of the moving block body 21 and the base surface on which the track rail 11 is mounted, is moved. If it is difficult to attach to the end faces of the skirts 28-1, 28-2 on both sides of the block body 21, insert the foreign matter intrusion prevention plate 34 between the metal scrapers 26, 26 and move the block with screws 44.
- the foreign matter intrusion prevention plate 34 can also be attached by fixing the foreign matter intrusion prevention plate 34 to the metal scraper 26 with respect to the force on both ends of the 20.
- the foreign matter intrusion prevention plate body 36 is made of a material that can be impregnated with a lubricating oil, such as urethane foam resin, and has a self-lubricating function by being impregnated with the lubricating oil.
- a lubricating oil such as urethane foam resin
- the foreign matter intrusion prevention plate 34 is configured as described above, and the block main body 21, the side covers 22, 22, the lubricating devices 23, 23, the end, the scinolees 24, 24, the layer insect scrapenos 25, 25, the genus Schleino 26, Since the gap between the inner surface of the moving block 20 excluding the metal scrapers 26 and 26 of the auxiliary equipment consisting of 26 and 26 and the side surface of the track rail 11 is closed by the foreign matter intrusion prevention plate 34, the auxiliary equipment lubrication device 23, 23, end seals 24, 24, and foreign substances do not enter the laminated contact scrapers 25, 25 either. As a result, foreign matter does not enter the moving block 20 from the end of the moving block body 21 with the end seals 24, 24 and the stacked contact scrapers 25, 25. None.
- the guide device having the above configuration is a woodworking machine that generates wood chips, a cutting machine that generates gypsum dust, a grinding machine that generates grinding powder, a carpet cutting machine that generates waste chips, a washing machine that handles water and chemicals, It is suitable for use in a machine that is used in an environment where dust is scattered, such as a machine tool that generates coolant and various outdoor machines that generate sand and dust.
- FIG. 10 is a diagram showing another configuration example of the foreign matter intrusion prevention plate
- FIG. 10a is an exploded perspective view
- FIG. 10b is an enlarged end side view.
- the foreign matter intrusion prevention plate 50 includes a foreign matter intrusion prevention plate storage case 51, a foreign matter intrusion prevention plate main body 52, and a foreign matter intrusion prevention plate pressing plate 53.
- the foreign matter intrusion prevention plate storage case 51 is made of a highly rigid material, for example, a metal material or a resin material, and has a step 54 for accommodating one side of the foreign matter intrusion prevention plate body 52 on one side of one side.
- a step portion 55 for accommodating one side portion of the foreign matter intrusion prevention plate pressing plate 53 is formed.
- a plurality of (three in the figure) holes for forming screw holes 57 are formed on one side of the other side end of the foreign matter intrusion prevention plate storage case 51 (the side opposite to the side on which the steps 54 and 55 are formed).
- a concave groove 56 is formed, and a screw hole 57 is formed at the center of each concave groove 56.
- Screw holes 58 are also formed on both end surfaces of the foreign matter intrusion prevention plate storage case 51.
- the concave groove 56 is When the screw 35 (see FIG. 8) is inserted into the through hole 57, the head is set so as not to protrude above the surface of the foreign matter intrusion prevention plate storage case 51.
- the foreign matter intrusion prevention plate main body 52 is a long plate-like body, and is made of a flexible resin material (for example, polyurethane pad).
- the foreign matter intrusion prevention plate pressing plate 53 is made of a highly rigid material, for example, a metal material or a resin material. As shown in FIG. 10b, one side of the foreign matter intrusion prevention plate body 52 is accommodated in the step portion 54 of the foreign matter intrusion prevention plate storage case 51, and one side of the foreign matter intrusion prevention plate holding plate 53 is accommodated in the step portion 55.
- the foreign matter intrusion prevention plate body 52 With the foreign matter intrusion prevention plate body 52 sandwiched between the foreign matter intrusion prevention plate storage case 51 and the foreign matter intrusion prevention plate holding plate 53, the foreign matter intrusion prevention plate body 52 is perpendicular to the side surface of the track rail 11 and one side thereof.
- the screws 35 are inserted into the screw holes 57 by contacting the end surfaces, and the foreign matter intrusion prevention plate storage case 51 is inserted into the screw holes 58 provided on the end surfaces of the skirt portions 28-1, 28-2 on both sides of the moving block body 21. Tighten and fix.
- the foreign matter intrusion prevention plate main body 52 is made of a material that can be impregnated with a lubricating oil such as urethane foam resin, and has a self-lubricating function by being impregnated with the lubricating oil.
- the foreign matter intrusion prevention plate main body 52 and the foreign matter intrusion prevention plate storage case 51 and the foreign matter intrusion prevention plate main body 52 and the foreign matter intrusion prevention plate pressing plate 53 are bonded with an adhesive. Insert the screw 44 into the screw hole 43 formed in the metal scrapers 26 and 26 and screw it into the screw hole 57 on the end face of the foreign matter intrusion prevention plate storage case 51 to fix the end face of the foreign matter intrusion prevention plate 50 to the side of the metal scraper 26.
- the foreign matter intrusion prevention plate storage case 51, the foreign matter intrusion prevention plate main body 52, and the foreign matter intrusion prevention plate retainer, which are components of the foreign matter intrusion prevention plate 50, are provided.
- the plate 53 is shaped like a plate, which facilitates processing.
- the processing of the parts becomes extremely easy. Therefore, the cost is reduced.
- the operation and effect of the foreign matter intrusion prevention plate 50 are substantially the same as those of the foreign matter intrusion prevention plate 34 having the configuration shown in FIG.
- the present invention is not limited to the above embodiment, and various embodiments are possible.
- the rolling element is not limited to the ball, and may be a roller.
- the track rail 11 is fixed, and the moving block 20 is a guide device in which the moving block 20 moves. One may move.
- any usage state such as an upside down state, a wall hanging state, and a vertical state is possible.
- the present invention provides a track rail having a rolling element rolling surface formed in the longitudinal direction, and a cross section orthogonal to the track rail longitudinal direction having a substantially U-shape.
- a skirt portion is formed on both sides of the opening, and a moving block is mounted on the track rail so as to be relatively movable while straddling the track rail, and the moving block is shared with the rolling element rolling surface.
- a load rolling element rolling surface forming a load rolling element rolling path, a moving block main body having a rolling element relief hole corresponding to the load rolling element rolling face, a load rolling element rolling path, and a rolling element relief;
- a rolling element direction changing path that forms a rolling element circulation path together with the hole is formed, and side covers are attached to both ends of the movable block main body in the relative movement direction so as to straddle a track rail, and are disposed in the rolling element circulation path. Rolling elements are used for the track rail and moving block.
- the tip that closes the gap between the inner side surfaces of the skirt portions and the inner side surfaces of the side lids of the moving block main body and the side surfaces of the track rail has the track.
- a foreign substance intrusion prevention plate that comes into contact with the rail in the longitudinal direction has been installed, so the gap between the inner surfaces of both sides of the skirt portion and the inner surface of the side lid of the moving block body and the side surface of the track rail can cause foreign matter such as fine powder to enter. Absent.
- this type of guide device is usually provided on both end surfaces in the moving direction of the moving block, with different end portions for preventing foreign matter from entering the moving block from the gap between the inner peripheral surfaces of both ends of the moving block and the outer periphery of the track rail. Since an object intrusion prevention device is provided! /, The gap between the track rail and the moving block is closed by the foreign matter intrusion prevention device at the end and the foreign matter intrusion prevention plate, so that the object enters the moving block. It is possible to almost completely shut off the foreign matter to be groomed, and it is possible to maintain smooth rolling of a plurality of rolling elements arranged in the rolling element circulation path of the guide device without maintenance for a long time.
- the moving block has a plurality of attached devices such as a lubricating oil device mounted on the outer side of the side cover in the relative movement direction so as to straddle the track rail. Since the blocking plate also closes the gap between the inner surface of the accessory device and the side surface of the track rail, it is possible to block foreign substances that may enter the accessory device.
- a lubricating oil device mounted on the outer side of the side cover in the relative movement direction so as to straddle the track rail. Since the blocking plate also closes the gap between the inner surface of the accessory device and the side surface of the track rail, it is possible to block foreign substances that may enter the accessory device.
- the foreign matter intrusion prevention plates are provided on both sides of the moving block main body. Since it is attached to the end face of the skirt, the foreign matter intrusion prevention plate can be easily attached while adjusting the contact pressure with the track rail side surface with screws or the like.
- the outermost accessory device of the plurality of accessory devices is a metal scraper that is a metal plate, and the longitudinal end surface of the foreign matter intrusion prevention plate is fixed to the metal scraper.
- the end of the foreign matter intrusion prevention plate is firmly fixed, so that the end of the foreign matter intrusion prevention plate does not vibrate or displace.
- the gap between the end faces of both skirts of the moving block and the base surface on which the track rail is mounted is narrow, the force at both ends of the moving block can be attached to the foreign matter intrusion prevention plates, which facilitates the mounting work.
- the foreign matter intrusion prevention plate has a high and rigid material strength.
- a flexible material strength plate is provided at a side end of the plate-like foreign matter intrusion prevention plate storage case. The foreign matter intrusion prevention plate main body is mounted, and since the side end surface of the foreign matter intrusion prevention plate body is brought into contact with the above-mentioned track rail side surface, the structure is simple and mounting is easy.
- the foreign matter intrusion prevention plate has a high and rigid material strength.
- a plate-like foreign matter intrusion prevention plate storage case, and a plate-like foreign matter made of a flexible material are provided.
- An intrusion prevention plate main body and a foreign matter intrusion prevention plate press plate having high rigidity are provided, and the foreign matter intrusion prevention plate is kept in contact with the side end surface of the foreign matter intrusion prevention plate body against the side surface of the track rail. Since the plate body is sandwiched between the foreign matter intrusion prevention plate presser plate and the foreign matter intrusion prevention plate storage case, the foreign matter intrusion prevention plate storage case is attached to the end faces of both sides of the moving block main body. The shape of each part constituting the plate becomes a simple plate shape, and the processing of the parts becomes extremely easy and inexpensive.
- the foreign matter intrusion prevention plate has a configuration in which the side end surface thereof is orthogonal to the track rail side surface and is in contact therewith, so that foreign matter intrusion can be more effectively prevented. it can.
- the foreign matter intrusion prevention plate since the foreign matter intrusion prevention plate has a self-lubricating function, even if the side end surface of the foreign matter intrusion prevention plate body is brought into contact with the side surface of the track rail with a desired surface pressure. The smooth relative movement of the track rails and the guide blocks is maintained.
- FIG. 1 is an external perspective view showing a configuration example of a guide device.
- FIG. 2 is a diagram showing an example of a use state of a guide device.
- FIG. 3 is a diagram showing an example of a use state of the guide device.
- FIG. 4 is a diagram showing an example of a use state of the guide device.
- FIG. 5 is an external perspective view showing a configuration example of a guide device according to the present invention.
- FIG. 6 is a sectional view taken along the line AA of FIG. 5.
- FIG. 7 is a plan view showing a configuration example of a moving block of the guide device according to the present invention.
- FIG. 8 is an exploded perspective view of a moving block of the guide device according to the present invention.
- FIG. 9 is a view showing a configuration example of a foreign matter intrusion prevention plate of the guide device according to the present invention.
- FIG. 10 is a view showing another configuration example of the foreign matter intrusion prevention plate of the guide device according to the present invention. Explanation of symbols
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- General Engineering & Computer Science (AREA)
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/574,651 US7819584B2 (en) | 2003-10-07 | 2004-10-05 | Guide apparatus |
EP04792039.2A EP1672232B1 (en) | 2003-10-07 | 2004-10-05 | Guiding device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-348893 | 2003-10-07 | ||
JP2003348893A JP2005114034A (ja) | 2003-10-07 | 2003-10-07 | 案内装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005036002A1 true WO2005036002A1 (ja) | 2005-04-21 |
Family
ID=34430986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014628 WO2005036002A1 (ja) | 2003-10-07 | 2004-10-05 | 案内装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7819584B2 (ja) |
EP (1) | EP1672232B1 (ja) |
JP (1) | JP2005114034A (ja) |
CN (1) | CN100569437C (ja) |
WO (1) | WO2005036002A1 (ja) |
Families Citing this family (9)
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JP2007155023A (ja) * | 2005-12-06 | 2007-06-21 | Nsk Ltd | リニアガイド及びアンダーシール |
JP4615466B2 (ja) * | 2006-03-22 | 2011-01-19 | 日本トムソン株式会社 | 高密封シール装置を備えた直動案内ユニット |
JP5600468B2 (ja) * | 2009-05-29 | 2014-10-01 | Thk株式会社 | 運動案内装置及びねじ装置 |
JP2012052609A (ja) * | 2010-09-01 | 2012-03-15 | Nsk Ltd | 直動案内装置 |
JP5874337B2 (ja) * | 2011-11-16 | 2016-03-02 | 日本精工株式会社 | リニアガイド装置のシール機構 |
JP6323127B2 (ja) * | 2014-04-01 | 2018-05-16 | 日本精工株式会社 | 直動案内装置 |
US9718148B2 (en) | 2014-08-07 | 2017-08-01 | Machitech Automation | Guiding assembly for a workpiece cutting apparatus, workpiece cutting apparatus including the same, and method for displacing a cutting assembly along a workpiece cutting table |
WO2019112021A1 (ja) | 2017-12-06 | 2019-06-13 | 日本精工株式会社 | 直動案内装置及びその組立方法 |
CN112228454B (zh) * | 2020-10-16 | 2021-07-23 | 丽水市杰祥科技有限公司 | 一种新型高效防尘滑块 |
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- 2004-10-05 WO PCT/JP2004/014628 patent/WO2005036002A1/ja not_active Application Discontinuation
- 2004-10-05 EP EP04792039.2A patent/EP1672232B1/en active Active
- 2004-10-05 US US10/574,651 patent/US7819584B2/en active Active
- 2004-10-05 CN CNB2004800294762A patent/CN100569437C/zh active Active
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JPH04124328U (ja) * | 1991-04-26 | 1992-11-12 | 日本精工株式会社 | リニアガイド装置のアンダーシール装置 |
JPH0651548U (ja) * | 1992-12-17 | 1994-07-15 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JPH0651547U (ja) * | 1992-12-17 | 1994-07-15 | 日本トムソン株式会社 | 直動転がり案内ユニット |
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JPH09317764A (ja) * | 1996-05-30 | 1997-12-09 | Nippon Seiko Kk | リニアガイドのアンダシール支持部の構造 |
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Also Published As
Publication number | Publication date |
---|---|
US7819584B2 (en) | 2010-10-26 |
JP2005114034A (ja) | 2005-04-28 |
CN1864010A (zh) | 2006-11-15 |
EP1672232B1 (en) | 2019-08-14 |
US20070041671A1 (en) | 2007-02-22 |
EP1672232A4 (en) | 2011-12-07 |
CN100569437C (zh) | 2009-12-16 |
EP1672232A1 (en) | 2006-06-21 |
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