JP2010260649A - Block chain unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a block chain unit capable of supplying lubricant easily, preventing lubricant from flowing out, reducing worker's burden in maintenance work, preventing increase of friction resistance due to dust and friction powders intruding onto a slide-contact guide face from the outside, and preventing deterioration of durability and reduction of service life. <P>SOLUTION: This block chain unit 100 has block chains 110 each provided with block-like links 120 coming into slide-contact and running with/on a guide rail 130 having the slide-contact guide face. The slide-contact guide face of the guide rail 130 has a recessed and projecting guide part 131 constituted by a plurality of crests and valleys and has a recessed and projecting slide-contact part 121 where the block-like links 120 mesh with the recessed and projecting guide part 131. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a block chain unit in which a chain slides on a sliding guide surface of a guide rail, and a transported object is placed on the upper surface of the chain and transported.

  2. Description of the Related Art Conventionally, a block chain unit in which a block chain provided with a block-shaped link slides on a sliding guide surface of a guide rail and places a transported object on the upper surface of the block-shaped link is known.

  For example, as shown in FIG. 8, the known block chain 510 has a block-like link 520 as an inner link and a pair of left and right link plates 511, and connects the block-like link 520 and a pair of left and right link plates 511. A large number of pins 512 are connected so as to be bent.

  The upper surface of the block-shaped link 520 serves as a conveying surface on which a conveyed product is placed, and the lower surface of the block-shaped link 520 serves as a sliding contact surface that slides on a sliding contact guide surface of a guide rail (not shown). (For example, refer to Patent Document 1).

JP-A-7-208561 (second page, FIG. 3)

  However, in these known block chain units, the sliding contact surface of the lower surface of the block-shaped link 520 of the block chain 510 is flat and the sliding contact surface of the guide rail (not shown) is also flat. Even if the lubricant is supplied to reduce the friction, since the flat surfaces are in sliding contact with each other, the lubricant will flow out to the outside in a short time, and it will be necessary to replenish the lubricant frequently and supply the lubricant. For this purpose, it is necessary to stop the block chain 510 or to remove the block chain 510 from the guide rail once, and it is necessary to perform maintenance frequently.

  In addition, dust and friction powder that has entered from the outside are likely to intervene on the sliding contact guide surface, increasing the frictional resistance, or damaging the sliding contact surface of the lower surface of the block-shaped link 520 and the sliding surface of the guide rail. There was a problem, and there was a problem that the durability of the entire block chain unit was lowered and the life was shortened.

  The present invention solves the problems of the prior art as described above. That is, the object of the present invention is to facilitate the supply of the lubricant and to reduce the outflow, to reduce the maintenance work load, and to slide the lubricant. It is an object of the present invention to provide a block chain unit in which an increase in frictional resistance and a decrease in durability and lifespan due to dust and friction powder entering the contact guide surface from the outside are reduced.

  The invention according to claim 1 is a block chain unit having a guide rail having a sliding contact surface and a block chain having a block-like link that slides on the sliding contact surface. By having the concavo-convex guide part consisting of a plurality of peaks and valleys extending in the travel direction of the block chain, the slidable contact guide surface has an concavo-convex slidable contact part meshing with the concavo-convex guide part, The problem is solved.

  According to the second aspect of the present invention, in addition to the configuration of the block chain unit described in the first aspect, the guide rail has a lubricant inlet on a side surface and a lubricant supply groove on the uneven guide portion. And the said subject is further solved by having the oil supply hole connected to the lubricant supply groove from the said lubricant injection port.

  In the invention according to claim 3, in addition to the configuration of the block chain unit according to claim 2, the lubricant supply groove extends to both outermost portions of the uneven guide portion in the width direction of the guide rail. Thus, the above-described problem is further solved.

  In the invention according to claim 4, in addition to the configuration of the block chain unit according to any one of claims 1 to 3, the convex vertex of the concave-convex guide portion is formed on the concave-convex sliding contact portion. By having a space between the deepest point of the recess, the above-described problem is further solved.

  In the invention according to claim 5, in addition to the configuration of the block chain unit according to any one of claims 1 to 4, the deepest concave portion of the concave-convex guide portion is formed on the concave-convex sliding contact portion. By having a space between the vertices of the convex portions, the problem is further solved.

  According to the sixth aspect of the present invention, in addition to the configuration of the block chain unit according to any one of the first to fifth aspects, the guide rail crosses the concave-convex guide portion and has a deepest recess. By having a deeper lateral groove, the above-mentioned problem is further solved.

  According to the seventh aspect of the invention, in addition to the configuration of the block chain unit according to the sixth aspect, the lateral groove of the guide rail has a shape whose center is deeper than both sides in the width direction of the guide rail. The above-mentioned problem is further solved.

  The block chain unit of the invention according to claim 1 is a block chain unit having a guide rail having a sliding contact guide surface and a block chain having a block-like link that slides on the sliding contact guide surface. The rail sliding contact guide surface has an uneven guide portion composed of a plurality of peaks and valleys extending in the travel direction of the block chain, and the block link has an uneven slide contact portion that meshes with the uneven guide portion. The troughs of the concave and convex guides function as a lubricant pool, reducing the outflow of lubricant, reducing the maintenance work burden, and the concave and convex guides of the guide rail and the concave and convex parts of the block links. Since the slidable contact portion slides at an inclination angle, even if dust or friction powder enters the slidable contact guide surface from the outside, it quickly reaches the valley portion of the concavo-convex guide portion. It does not fall and stay on the sliding contact surface, preventing frictional resistance from increasing or damaging the sliding contact surface of the lower surface of the block-shaped link or the sliding surface of the guide rail. Reduction can be reduced.

  In the block chain unit according to the second aspect of the invention, in addition to the effect of the block chain unit according to the first aspect, the guide rail has a lubricant inlet on the side surface and a lubricant supply groove on the concave and convex guide portion. In addition, by having an oil supply hole that communicates from the lubricant inlet to the lubricant supply groove, the lubricant can be supplied without stopping the block chain or removing the block chain from the guide rail. The burden can be reduced.

  In the block chain unit according to the third aspect of the invention, in addition to the effect of the block chain unit according to the second aspect, the lubricant supply groove extends to both outermost portions of the concavo-convex guide portions in the width direction of the guide rail. Since the supplied lubricant is held in the lubricant supply groove and always spreads over the entire sliding contact guide surface, the frictional resistance increases, the sliding contact surface on the lower surface of the block-like link, It is possible to prevent the sliding surface of the guide rail from being damaged, and to reduce the durability and lifetime.

  The block chain unit of the present invention according to claim 4 has the convex vertex of the concave and convex guide portion in addition to the effect exerted by the block chain unit according to any one of the first to third aspects. Since the lubricant can be held in the space by having a space between the deepest point of the concave portion of the groove, the frictional resistance is further increased, or the sliding contact surface of the lower surface of the block-shaped link or the sliding contact of the guide rail It is possible to prevent the surface from being damaged, and to reduce the durability and the decrease in life.

  The block chain unit of the invention according to claim 5 has the effect that the block chain unit according to any one of claims 1 to 4 has the effect, and the deepest point of the concave portion of the concave and convex guide portion is that of the concave and convex sliding portion. By having a space between the top of the convex part, the space functions as a lubricant reservoir, and dust and friction powder that have entered from the outside are precipitated and only the upper lubricant is supplied to the sliding surface. Lubricant outflow can be reduced, reducing the work burden of maintenance, and preventing frictional resistance from increasing and the sliding contact surface of the lower surface of the block-shaped link and the sliding contact surface of the guide rail from being damaged. , Durability and life reduction can be reduced.

  The block chain unit of the present invention according to claim 6 has the effect that the block chain unit according to any one of claims 1 to 5 has the effect, and the guide rail crosses the concave and convex guide portion to form the deepest point of the concave portion. By having deeper lateral grooves, the appropriate amount of deteriorated lubricant containing dust and friction powder entering from the outside is discharged one by one in order, reducing the work burden of maintenance and increasing frictional resistance or block links It is possible to prevent the slidable contact surface of the lower surface and the slidable contact surface of the guide rail from being damaged, and to reduce the durability and the decrease in life.

  In the block chain unit of the invention according to claim 7, in addition to the effect produced by the block chain unit according to claim 6, the lateral groove of the guide rail has a shape whose center is deeper than both sides in the width direction of the guide rail. As a result, dust or friction powder that has entered from the outside settles in the center while lubricant remains in the groove and functions as a lubricant pool, reducing the outflow of lubricant and reducing the maintenance work load. In addition, it is possible to prevent the frictional resistance from increasing and the sliding contact surface of the lower surface of the block-shaped link and the sliding contact surface of the guide rail from being damaged, thereby reducing the durability and the decrease in life.

The perspective view of the block chain unit which is 1st Example of this invention. The perspective view of the block-shaped link of the block chain unit shown in FIG. The top view of the block-shaped link of FIG. The side view of the block-shaped link of FIG. The front view of the block-shaped link of FIG. The perspective view of the guide rail of the block chain unit shown in FIG. Front explanatory drawing of the block-shaped link of the block chain unit shown in FIG. The disassembled perspective view of the conventional block chain.

  The block chain unit of the present invention is a block chain unit having a guide rail having a sliding contact guide surface and a block chain provided with a block-like link that slides on the sliding contact guide surface. The surface has a concavo-convex guide portion consisting of a plurality of peaks and valleys extending in the running direction of the block chain, and the block link has a concavo-convex slidable contact portion that meshes with the concavo-convex guide portion, so that the lubricant can be easily supplied and flowed out. If it can reduce the burden of maintenance work and reduce the increase in frictional resistance and the decrease in durability and life due to dust and friction powder entering the sliding contact surface from the outside, the specific Any embodiment may be used.

  That is, the block chain used in the present invention may be composed of any material, and any chain such as a roller chain or a bush chain may be used as long as it has a block-like link that slides on the sliding guide surface of the guide rail. It may be.

  Also, the guide rail used in the present invention may be made of any material, and the shape of the guide rail's concave and convex guide portion and the block chain's concave and convex slide contact portion has a slope and is in surface contact with the slope to form a chain. As long as it is slidable in the traveling direction, it may have any shape such as a triangular cross section, a trapezoidal cross section, or a curved surface with a curved surface.

Below, the block chain unit which is one Example of this invention is demonstrated based on drawing.
As shown in FIG. 1, the block chain unit 100 according to the embodiment of the present invention is provided with guide rails 130 on which the block chain 110 travels in parallel, and the transported object W is placed on the upper surface of the block chain 110. And is configured to be conveyed.

  In the block chain 110, an inner link is a block-shaped link 120, an outer link is a pair of left and right link plates 111, and the block-shaped link 120 and a pair of left and right link plates 111 are connected by a connecting pin 112 so that they can be bent. It is configured.

As shown in FIGS. 2 to 4, the block-shaped link 120 has a connection pin hole 125 into which the connection pin 112 is loosely fitted in the front and rear in the traveling direction, and a planar conveyance object placement on which the conveyance object is placed on the upper surface. The surface 124 has an uneven sliding contact portion 121 that is in sliding contact with the guide rail 130 on the lower surface.
The concave / convex sliding contact portion 121 has a concave deepest point 122 and a convex vertex 123 formed in a planar trapezoidal cross section.

As shown in FIGS. 1 and 6, the guide rail 130 has an uneven guide portion 131 on which the block-shaped link 120 slides, and the uneven guide portion 131 includes the deepest recess portion 132 and The convex vertex 133 is formed in a planar cross-sectional trapezoidal shape.
Further, transverse grooves 137 that are deeper than the deepest concave portion 132 across the concave-convex guide portion 131 are provided at appropriate locations.

Further, as shown in FIGS. 1, 6 and 7, the guide rail 130 has a lubricant inlet 134 on the side surface and a lubricant supply groove 135 extending to both outermost portions of the concave and convex guide portions 131 in the width direction. Each has an oil supply hole 136 communicating with the lubricant supply groove 135 from the lubricant injection port 134, and the lubricant injection port 134 is closed by a nipple 138 except during oil supply.
A fixing screw hole 139 for fixing the guide rail 130 to the installation location is provided at an appropriate location of the guide rail 130.

  As shown in FIG. 7, the guide rail 130 and the block-shaped link 120 are configured such that the inclined surfaces of the trapezoidal cross sections of the concave and convex guide portion 131 and the concave and convex sliding contact portion 121 are in contact with each other and slide. Between the convex vertex 133 of the guide rail 130 and the concave deepest point 122 of the block-shaped link 120, and between the deepest point 132 of the concave portion 132 of the guide rail 130 and the convex vertex 123 of the block-shaped link 120. The spaces P2 are formed respectively.

  In the block chain unit 100 configured as described above, the lubricant is injected from the lubricant inlet 134, supplied and held in the lubricant supply groove 135 through the oil supply hole 136, and the guide rail 130 and the block-shaped link. 120 is supplied to the sliding contact surface.

  The lubricant that lubricates the sliding contact surface is a space P1 between the convex vertex 133 of the guide rail 130 and the deepest concave portion 122 of the block-shaped link 120, and the deepest concave portion 132 of the guide rail 130 and the block-shaped link 120. It can be held and supplied to some extent in the space P2 between the convex portion vertex 123 of the slab and even if dust, friction powder or the like enters from the outside, it settles in the space P2 by being settled in the space P2. Lubricant with less dust and friction powder on the upper part is supplied again to the sliding contact surface.

Furthermore, since the lateral groove 137 provided across the concavo-convex guide part 131 of the guide rail 130 is deeper than the deepest part 132 of the concave part, an appropriate amount of deteriorated lubricant containing dust and friction powder entering from the outside is sequentially discharged. Further, since the lateral groove 137 has a shape deeper at the center than both sides of the guide rail 130 in the width direction, dust and friction powder entering from the outside settles in the center and lubricant remains in the groove for lubrication. Functions as a reservoir.
The lateral groove 137 is cut obliquely with an angle from the width direction of the guide rail 130 so that the block-shaped link 120 can pass smoothly when traveling.

  As described above, the block chain unit of the present invention has a concavo-convex guide portion having a plurality of peaks and valleys in which the sliding contact guide surface of the guide rail extends in the travel direction of the block chain, and the block-shaped link is a concavo-convex guide portion. By having the engaging and disengaging sliding contact portions, the outflow of lubricant can be reduced, the maintenance work load can be reduced, and even if dust or friction powder enters the sliding contact guide surface from the outside It does not fall quickly into the valley of the guide and stays on the sliding contact surface, preventing frictional resistance from increasing and preventing the sliding contact surface on the lower surface of the block-shaped link and the sliding surface of the guide rail from being damaged. In addition, it is possible to reduce durability and a decrease in life.

Note that the block chain 110 of the present embodiment uses the upper surface of the block-shaped link 120 as the loading surface of the conveyed object. However, any other application can be used as long as the chain is configured to slide on the guide rail. It may be a chain.
Further, in the block chain 110 of the present embodiment, the outer link is configured by a pair of left and right link plates 111, but the outer link may be a block-shaped link.

100: Block chain units 110, 510: Block chains 111, 511: Outer link plates 112, 512: Connection pins 120, 520: Block-shaped links 121: Concave and convex contact portions 122 ... Concave deepest point 123 ... Convex apex 124 ... Conveyed object placement surface 125 ... Connection pin hole 130 ... Guide rail 131 ... Concave and convex guide part 132 ... Concave deepest Point 133 ··· convex vertex 134 ··· lubricant inlet 135 ··· lubricant supply groove 136 ··· oil supply hole 137 ··· lateral groove 138 · · · nipple 139 · · · fixing screw hole W ···・ Transported object P: Space

Claims (7)

In a block chain unit having a guide rail having a sliding contact guide surface, and a block chain provided with a block-like link that slides on the sliding contact guide surface,
The sliding contact guide surface of the guide rail has an uneven guide portion composed of a plurality of peaks and valleys extending in the travel direction of the block chain,
The block chain unit, wherein the block-shaped link has an uneven sliding contact portion that meshes with the uneven guide portion.   The guide rail has a lubricant inlet on a side surface, a lubricant supply groove on the concave and convex guide portion, and an oil supply hole communicating with the lubricant supply groove from the lubricant inlet. The block chain unit according to claim 1.   The block chain unit according to claim 2, wherein the lubricant supply groove is provided so as to extend to both outermost portions of the concavo-convex guide portion in the width direction of the guide rail.   The block chain unit according to any one of claims 1 to 3, wherein a convex portion vertex of the concavo-convex guide portion has a space between a concave portion deepest point of the concavo-convex sliding contact portion.   The block chain unit according to any one of claims 1 to 4, wherein a deepest point of the concave portion of the concave and convex guide portion has a space between a vertex of the convex portion of the concave and convex sliding contact portion.   The block chain unit according to any one of claims 1 to 5, wherein the guide rail has a transverse groove that is deeper than a deepest point of the recess across the concavo-convex guide portion.   The block chain unit according to claim 6, wherein the lateral groove of the guide rail has a shape whose center is deeper than both sides in the width direction of the guide rail.

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