JP5229907B2 - Transport work fixing mechanism - Google Patents

Description

  The present invention relates to a transport work fixing mechanism that can fix a work placed on a transport tool by a work fixing component.

  Conventionally, as this type of transport work fixing mechanism, a work (not shown) is placed on the bottom surface of the container 1 as shown in FIG. 10A, and an inner lid 3 as a work fixing part is fixed in the container 1. What to do is known. Specifically, a plurality of engagement holes 2 are formed in a pair on the pair of side walls 1A and 1A of the container 1, and the inner lid 3 is engaged with each of the engagement hole 2 groups. The plates 4 and 4 are slidably assembled. Then, when each engagement plate 4 is moved to the engagement position at one end of the slidable range, the tip of the engagement plate 4 is engaged with any one of the engagement holes 2 as shown in FIG. A workpiece is fixed to the container 1 together with the inner lid 3 in the vertical direction (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 3-54032 (FIGS. 3 and 6)

  However, in the transport work fixing mechanism described above, the inner lid 3 is configured to be intermittently positioned for each engagement hole 2 in the vertical direction, so that a gap is generated between the work and the inner lid 3 for transport. There was a problem that the work was rattling inside.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a transport work fixing mechanism capable of fixing a work to a transport tool without play.

  A transport work fixing mechanism according to the invention of claim 1 made to achieve the above object is a transport work fixing mechanism capable of fixing a work placed on a work placement surface of a transport tool with a plurality of work fastening parts. The workpiece mounting surface is provided with a plurality of engagement grooves corresponding to a plurality of workpiece fixing parts, and the engagement grooves are widened to both sides from the upper surface opening so that the ceiling surface in the groove facing downward is formed. Each work fixing component, and a slide part that is accommodated in the engagement groove and can be moved horizontally in the longitudinal direction thereof, and vertically movable between the bottom surface of the engagement groove and the ceiling surface in the groove, Standing from the slide part, projecting above the work placement surface through the upper surface opening of the engagement groove, and supporting the work part from the side to the work, the work pressing board protruding from the support part, and the work pressing Between the board and the support, or the slide part It is provided either between the struts or between the divided parts obtained by dividing the struts in the middle in the axial direction, screwed together, and deepening the screwing so that the work press disc is Formed on the slide mechanism and the ceiling surface in the groove that can be pressed against the upper surface and lift the slide part, engage with each other when the slide part is lifted, and regulate the horizontal movement of the slide part It is characterized in that a movement restricting engagement portion is provided.

  According to a second aspect of the present invention, in the transport work fixing mechanism according to the first aspect, the work pressing plate includes an upper surface rib on an upper surface of a disk projecting laterally from the support column, and the upper surface rib is a disk. It is characterized by extending in the radial direction.

  According to a third aspect of the present invention, in the transport work fixing mechanism according to the first or second aspect, the support column is provided with a female screw hole that rises from the slide portion and has an open upper surface at the center. It is characterized in that a screwing mechanism is constituted by a male screw that is suspended and can be screwed into a female screw hole.

  According to a fourth aspect of the present invention, in the transport work fixing mechanism according to any one of the first to third aspects, the movement restricting engagement portion includes a recess and a protrusion along the longitudinal direction of the ceiling surface in the groove. It is characterized in that it is composed of a first concavo-convex portion in which is repeated and a second concavo-convex portion formed on the upper surface of the slide portion and capable of engaging with the first concavo-convex portion.

[Invention of Claim 1]
In order to fix the work to the transfer tool by the transfer work fixing mechanism according to claim 1, the screwing mechanism of each work fixing part is loosened or released, and each work fixing part is attached to the work placement surface of the transfer tool. Keep away from the place where the work is placed. Next, after placing the workpiece on the workpiece placement surface, each workpiece fixing component is brought close to the workpiece along the engagement groove, the column portion is addressed to the workpiece from the side, and the screwing mechanism is tightened. Then, the slide part is pulled up, the movement restricting engagement parts engage with each other between the slide part and the ceiling surface in the groove, and the horizontal movement of the work fixing part is restricted, and the work pressing plate and the work placing surface The work is sandwiched between and fixed. Here, in the transport work fixing mechanism of the present invention, the work pressing plate can be continuously moved up and down by screwing operation, so that the work is sandwiched between the work pressing plate and the work placing surface without any gap. Is possible. Thereby, a work can be fixed without play. Moreover, since the work is fixed in both the vertical and horizontal directions by tightening the screwing mechanism, the workability is excellent.

[Invention of claim 2]
According to the configuration of the second aspect, the disk constituting the work pressing plate is reinforced by the upper surface rib, and the screwing mechanism can be easily operated by placing a finger on the upper surface rib.

[Invention of claim 3]
The screwing mechanism according to the present invention is provided between the work pressing plate and the column part, between the slide part and the column part, or between the divided bodies formed by dividing the column part in the middle in the axial direction. It may be provided. Further, when the screwing mechanism is provided between the work pressing plate and the support column, it is screwed by the male screw standing from the upper end surface of the support column and the female screw hole formed through the center of the work pressing plate. The mechanism may be configured, or conversely, the screwing mechanism is configured by the female screw hole formed in the center portion of the support column and the male screw suspended from the work pressing plate as in the invention of claim 3. May be. According to the configuration of the third aspect, the male screw is received in the central screw hole in the support column portion, and the entire workpiece fixing component becomes compact in the vertical direction.

[Invention of claim 4]
The movement restricting engagement portion in the present invention may be configured to frictionally engage the ceiling surface in the groove and the slide portion, and as in the invention of claim 4, along the longitudinal direction of the ceiling surface in the groove. It is good also as a structure which carries out uneven | corrugated engagement with the 1st uneven | corrugated part formed in this way, and the 2nd uneven | corrugated part formed in the upper surface of a slide part. According to the configuration of the fourth aspect, the restriction on the horizontal movement of the slide portion is strengthened as compared with the configuration in which frictional engagement is performed.

The perspective view of the container provided with the conveyance work fixing mechanism concerning the present invention. Container floor plan Partially broken perspective view of container Sectional view at the cut surface on the diagonal of the container Perspective view of container Perspective view of inner rail and workpiece fixing parts Perspective view of workpiece fixing parts Side sectional view of inner rail and workpiece fixing parts Side sectional view of inner rail and workpiece fixing parts Cross-sectional side view of a conventional transport work fixing mechanism

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows a container 11 having a “conveying work fixing mechanism” according to the present invention. The container 11 has a flat rectangular shape with a planar shape that is smaller in the vertical direction than one side of the square. A reinforcing rib 13L projects from the outer surface of the container 11, and a part of the reinforcing rib 13L is disposed on the entire upper edge of the side wall 13 to constitute an upper surface flange 13X. Further, upper surface recesses 13K are formed by recessing the upper surface flanges 13X at the four upper corners of the container 11, while container leg portions 14 protrude from the lower four corners of the container 11. When a plurality of containers 11 are stacked, each container leg 14 is fitted in each upper surface recess 13K.

  The bottom surface 12A of the container 11 shown in FIG. 3 corresponds to the “work placement surface” of the present invention, and an annular work W (for example, a bearing) is laid on the bottom surface 12A (the central axis is in the vertical direction). In a state directed toward As shown in FIG. 2, a circular recess 15C having a smaller diameter than the workpiece W is formed in the center of the bottom surface 12A, and a plurality of extraction grooves 15A and a plurality of rail receiving grooves 15B are radially formed from the circular recess 15C. And is extended. As shown in FIG. 5, the rail receiving groove 15 </ b> B is disposed at a position along the diagonal line of the bottom surface 12 </ b> A in the container 11. On the other hand, the take-out groove 15A is disposed at the center between the adjacent rail receiving grooves 15B and 15B.

  Each extraction groove 15A is recessed in a stepped shape from the bottom surface 12A, and one end thereof communicates with the circular recess 15C. Thereby, when taking out the workpiece | work W from the inside of the container 11, a workpiece | work or a finger | toe can be easily taken out from the container 11 by inserting a tool or a finger into the taking-out groove 15A from the circular depression 15C.

  Each rail receiving groove 15B is stepped from the bottom surface 12A of the container 11, and an inner rail 20 is provided therein as shown in FIG. As shown in FIG. 6, the inner rail 20 has rail side walls 22, 22 standing upright from both side edges of the strip-shaped base plate 21, and the upper ends of the rail side walls 22, 22 are bent at right angles to the sides approaching each other. A pair of ceiling walls 23, 23 are provided. The base plate 21 is fixed to the bottom of the rail receiving groove 15B, the rail side walls 22 and 22 are disposed adjacent to the inner side surface of the rail receiving groove 15B in the rail receiving groove 15B, and the ceiling walls 23 and 23 are disposed in the container 11. It is arranged slightly below the bottom surface 12A. The inner rail 20 is a part of the container 11 by being fixed in the rail receiving groove 15B.

  A portion of the container 11 that includes the rail side walls 22 and 22 and the ceiling walls 23 and 23 is an engagement groove 29 according to the present invention. Moreover, the downward inner surface of each ceiling wall 23 is the in-groove ceiling surface 24 according to the present invention. As shown in FIG. 8, protrusions 25 </ b> B that protrude in a stepped manner are arranged at equal intervals along the longitudinal direction on each in-groove ceiling surface 24, and the gap between adjacent protrusions 25 </ b> B and 25 </ b> B is between. It is a recess 25A. And the 1st uneven | corrugated | grooved part 25 which concerns on this invention is comprised by these several protrusion 25B and recessed part 25A which were located in a line by turns. The space between the rail side walls 22 and 22 is closed at one end on the side away from the circular depression 15C by the end wall 26 and open at the other end.

  As shown in FIG. 6, a work fixing component 30 is assembled in each engagement groove 29. As shown in FIG. 7, the workpiece fixing component 30 includes a base component 31 and a workpiece pressing board 40. The base part 31 has a structure in which a cylindrical column 33 is erected from a top centroid of a rectangular flat slide part 32. Further, as shown in FIG. 6, the outer diameter of the column portion 33 is slightly smaller than the width of the upper surface opening 29 </ b> K in the engagement groove 29, and the short side of the slide portion 32 is slightly smaller than the interval between the rail side walls 22 and 22. It has become. As shown in FIG. 3, the slide portion 32 is accommodated in the engagement groove 29, and the support column portion 33 protrudes above the bottom surface 12 </ b> A of the container 11 through the upper surface opening 29 </ b> K of the engagement groove 29. Further, as shown in FIG. 8, a female screw hole 34 is formed inside the column portion 33.

  As shown in FIG. 7, at a pair of long side edges on the upper surface of the slide portion 32, protrusions 35 </ b> B protruding stepwise are arranged at equal intervals, and the adjacent protrusions 35 </ b> B, A space 35B is a recess 35A. And the 2nd uneven | corrugated | grooved part 35 which concerns on this invention is comprised by these several protrusion 35B and recessed part 35A which were located in a line by turns.

  As shown in FIG. 8, the height (thickness) of the slide portion 32 including the second uneven portion 35 is slightly smaller than the distance between the bottom surface in the engagement groove 29 and the lower end portion of the first uneven portion 25. ing. As a result, as shown in the figure, when the slide portion 32 is brought into contact with the bottom surface side of the engagement groove 29, the slide portion 32 is horizontally moved along the longitudinal direction in the engagement groove 29. Can do. On the other hand, as shown in FIG. 9, when the slide portion 32 is moved upward in the engagement groove 29, the first uneven portion 25 and the second uneven portion 35 are engaged with each other, and the horizontal movement of the slide portion 32 is performed. It is forbidden.

  In addition, inclined surfaces 25S and 35S (see FIG. 8) are formed at the tips of the protrusions 25B and 35B in the first and second uneven portions 25 and 35, respectively, and the inclined surfaces 25S and 35S are guided. Thus, the first and second concave and convex portions 25 and 35 are smoothly engaged with the concave and convex portions.

  As shown in FIG. 7, the work pressing plate 40 includes an upper surface rib 42 on the upper surface of the disc 41, and includes a male screw 43 suspended from the center of the disc 41. The male screw 43 is screwed into the female screw hole 34 so that the work pressing plate 40 and the base part 31 are integrated. Further, the upper surface rib 42 has a cross structure orthogonal to the center of the upper surface of the disk 41, and each side of the cross extends in the entire radial direction of the disk 41. Then, the disk 41 is reinforced by the upper surface rib 42, and the male screw 43 and the female screw hole 34 can be easily engaged with each other by putting a finger on the upper surface rib 42.

  In the present embodiment, the above-described container 11 (including the inner rail 20) and a plurality of workpiece fixing components 30 (including the base component 31 and the workpiece pressing plate 40) constitute a “conveying workpiece fixing mechanism” according to the invention. ing. In the present embodiment, the base part 31, the work pressing plate 40 and the inner rail 20 are made of metal, while the entire container 11 excluding the inner rail 20 is made of resin. The material of the components of the “mechanism” may be any material.

  This completes the description of the configuration of the transport work fixing mechanism provided in the container 11 of the present embodiment. Next, the effect of the transport work fixing mechanism will be described. The bearing as the workpiece W is fixed in the container 11 as follows. First, before accommodating the workpiece W in the container 11, for example, the workpiece pressing plate 40 is detached from the base component 31, and each base component 31 is retracted to a position separated from the circular depression 15C. Next, after the workpiece W is placed on the bottom surface 12 </ b> A of the container 11, each base component 31 is brought close to the workpiece W along the engagement groove 29, and the column 33 is directed to the workpiece W from the side. In this state, the male screw 43 of the work pressing plate 40 is screwed into the female screw hole 34 of the support column 33. Then, as shown in the change of FIG. 8 to FIG. 9, the slide portion 32 is pulled up, and the first uneven portion 25 provided on the in-groove ceiling surface 24 of the engagement groove 29 and the second uneven portion 35 of the slide portion 32, Are engaged with each other, the horizontal movement of the workpiece fixing component 30 is restricted, and the workpiece W is sandwiched and fixed between the workpiece pressing plate 40 and the bottom surface 12A of the container 11. Here, in the transport work fixing mechanism of the present embodiment, the work pressing plate 40 can be continuously moved up and down by screwing operation, so as shown in FIG. 4, between the work pressing plate 40 and the bottom surface 12A. Thus, the workpiece W can be sandwiched without any gap. Thereby, the workpiece | work W can be fixed without backlash. Moreover, since the workpiece W is fixed in both the vertical direction and the horizontal direction by tightening the screwing mechanism, the workability is excellent. Further, the workpiece W and the workpiece fixing component 30 are covered and protected from the side by the side wall 13 of the container 11, and damage to the workpiece W and the workpiece fixing component 30 is prevented.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

  (1) In the above embodiment, the “screwing mechanism” according to the present invention is constituted by the female screw hole 34 formed in the central portion of the support column 33 and the male screw 43 suspended from the work pressing plate 40. However, the “screwing mechanism” according to the present invention may include, for example, a male screw erected from the upper end surface of the support column and a female screw hole formed through the center of the work pressing plate. In addition, the work pressing board and the column part are integrally formed, and a female screw hole formed at the center part of the column part and opened downward, and a male screw raised from the slide part, is connected to the “screw engagement” according to the present invention. "Mechanism" may be configured, and conversely, the "screwing mechanism" according to the present invention may be configured from a male screw suspended from the lower end surface of the support column and a female screw formed through the slide portion. . Furthermore, the “screwing mechanism” according to the present invention may be constituted by a male screw projecting from one of a pair of divided bodies obtained by dividing the column portion into two in the axial direction and a female screw formed on the other. .

  (2) In the above-described embodiment, the “movement restricting engagement portion” according to the present invention includes the first uneven portion 25 formed on the in-groove ceiling surface 24 and the second uneven portion 35 formed on the slide portion 32. However, the movement restricting / engaging portion according to the present invention may be configured by the flat surface of the ceiling surface in the groove and the flat surface of the slide portion that can be frictionally engaged with each other.

  (3) In the above embodiment, the container 11 is a “transport device” according to the present invention, and the work fixing component 30 is assembled to the container 11. However, a pallet, a tray, or the like is a “transport device” according to the present invention. You may make it the structure by which the workpiece fixing components were assembled | attached to those pallets, trays, etc.

11 Container (conveying equipment)
12A Bottom (work placement surface)
21 Base plate 22 Rail side wall 23 Ceiling wall 24 Ceiling surface in groove 25 First uneven part 29 Engaging groove 29K Upper surface opening 30 Work fixing part 31 Base part 32 Slide part 33 Supporting part 34 Female screw hole 35 Second uneven part 40 Workpiece Press disc 41 Disc 42 Top surface rib 43 Male screw W Workpiece

Claims (4)

In the transport work fixing mechanism that can fix the work placed on the work placement surface of the transport tool with a plurality of work fixing parts,
The workpiece mounting surface is provided with a plurality of engagement grooves corresponding to the plurality of workpiece fixing parts, and the engagement grooves are widened to the both sides from the upper surface opening so as to face downward in the groove. Has a surface,
Each of the workpiece fixing parts is accommodated in the engagement groove and can be horizontally moved in the longitudinal direction thereof, and can be vertically moved between the bottom surface of the engagement groove and the ceiling surface in the groove; ,
A column portion that stands up from the slide portion and protrudes above the workpiece placement surface through the upper surface opening of the engagement groove, and is directed to the workpiece from the side,
A work pressing board projecting laterally from the support column;
Provided either between the workpiece pressing plate and the support column, between the slide unit and the support column, or between divided bodies formed by dividing the support column in the middle in the axial direction. A screwing mechanism capable of being screwed together and deepening the screwing so as to press the work pressing plate against the upper surface of the work and pull up the slide part;
A movement restricting engagement portion that is formed on the slide portion and the ceiling surface in the groove and engages with each other when the slide portion is pulled up to restrict the horizontal movement of the slide portion is provided. Conveying work fixing mechanism.   The said work press board is equipped with the upper surface rib on the upper surface of the disc protruded sideways from the said support | pillar part, The said upper surface rib is extended in the radial direction of the said disc. The transport work fixing mechanism described in 1.   The support column is provided with a female screw hole that rises from the slide part and has an open upper surface at the center thereof, and the screw from the female screw hole and a male screw that is suspended from the work pressing plate and can be screwed into the female screw hole. The transfer work fixing mechanism according to claim 1, wherein a combination mechanism is configured.   The movement restricting engagement portion is formed on the upper surface of the slide portion with a concave portion and a protrusion portion that are repeated along the longitudinal direction of the ceiling surface in the groove, and is uneven on the first concave portion. The transport work fixing mechanism according to any one of claims 1 to 3, wherein the transport work fixing mechanism includes an engaging second uneven portion.

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