JP6385754B2 - Cross-linking member - Google Patents

Description

  The present invention relates to a bridging member configured to be attachable to a roller conveyor device.

  Conventionally, a transport device represented by a roller conveyor device has been used in a manufacturing site such as a factory or a delivery site. These transfer devices such as a roller conveyor device reduce the burden on the operator at the manufacturing site by smoothing the movement of the object (container or the like), thereby improving the work efficiency.

  For example, Patent Document 1 describes a roller conveyor device used for transporting containers as one of transport devices. The roller conveyor device described in Patent Document 1 is rotatable between a pair of frames arranged so as to extend along the transport direction and a pair of frames at a predetermined interval along the transport direction. A plurality of rollers arranged side by side and a driving device for driving the rollers to rotate are configured. The roller conveyor device described in Patent Document 1 rotates a plurality of rollers by a driving device to move a conveyance object (that is, a container) placed on the rollers in the conveyance direction, and an operator at a manufacturing site or the like. To reduce the burden.

Japanese Utility Model Publication No. 05-058615

  In general, a plurality of rollers in a roller conveyor device are arranged in parallel with a certain amount of space between the rollers. For example, in the roller conveyor device described in Patent Document 1, Between the rollers, the rollers are arranged in parallel with an interval similar to the outer diameter of the rollers (see FIG. 3 of Patent Document 1).

  In the roller conveyor device as in Patent Document 1, when a configuration in which a constant interval is provided between a plurality of rollers is adopted, as a result of some accident, an operator's limbs are It may get in between. In this case, there is a possibility that the injury of the operator may become serious when the rollers rotate while being sandwiched between the plurality of rollers.

  In addition, not only the limbs of the worker but also the case where the worker's clothes and parts get caught between the rollers is assumed. If any foreign matter is caught between the rollers, the rotation of the roller is hindered by the presence of the foreign matter, and the work on the transport line including the roller conveyor device is stopped.

  Furthermore, there is a possibility that dust or dust may fall on the floor surface or parts housed in a container or the like may fall through a gap formed between the rollers. In this case, the sanitary aspect of the workplace is lowered by dust or dust that has fallen through the gap, or missing parts are lost due to losing sight of the dropped parts.

  As measures against these points, it can be considered that a plurality of rollers are closely arranged in parallel to reduce the interval between the rollers. However, since a large amount of metal rollers are required, the roller conveyor device itself. Will increase the cost. Further, when a large number of metal rollers are arranged side by side, the weight of the roller conveyor device itself is extremely increased, which makes the handling of the roller conveyor device itself inconvenient and inconvenient.

  The present invention provides a bridging member configured to be attachable to a roller conveyor device and capable of suppressing the occurrence of various problems associated with the roller conveyor device.

The bridging member according to claim 1 extends along a predetermined conveying direction, and supports a pair of frame members facing each other at a predetermined interval, and both ends of the pair of frame members are rotatably supported by the pair of frame members. And a plurality of roller members arranged in parallel along the transport direction at intervals, and a roller conveyor device that transports an object to be transported in the transport direction by the rotation of the plurality of roller members. A bridging member to be attached, wherein the bridging member is bridged between the pair of frame members between the plurality of roller members, and an upper end of the bridging member is lower than upper ends of the plurality of roller members is arranged so as to be positioned at a position having a mounting protrusion formed at both ends of the cross member in a direction perpendicular to the conveying direction, wherein the mounting projection has, of the pair of frame members Formed people to, characterized in that it fits against rotatably attachable mounting groove rotation shaft provided at both ends of the plurality of roller members.

  The bridging member according to claim 2 is the bridging member according to claim 1, wherein the bridging member is formed in a flat plate shape, and an upper surface portion constituting the upper end of the bridging member, and the upstream side in the transport direction And a side wall part formed so as to hang down from the end part of the upper surface part on the downstream side.

  Further, the bridging member according to claim 3 is the bridging member according to claim 1 or 2, wherein an upper end of the bridging member is between the pair of frame members with respect to a direction orthogonal to the conveying direction. It is formed so that it may become below the dimension between formed frames.

  A bridging member according to a fourth aspect is the bridging member according to any one of the first to third aspects, wherein an upper end portion of the bridging member extends from an edge on the upstream side and the downstream side in the transport direction. And an extension portion extending toward the roller member disposed adjacent to the bridging member, and a gap is formed between the extension portion and the surface of the roller member disposed adjacent to the extension member. It is characterized by.

Further, the bridging member according to claim 5 is the bridging member according to claim 1 , wherein the bridging member is formed in a flat plate shape, and an upper surface portion constituting an upper end of the bridging member, and the conveying direction. An upper inclined portion formed so as to incline so that an upper surface of the upper surface portion is directed downward toward the pair of frame members from both end portions of the upper surface portion in an orthogonal direction. .
A bridging member according to a sixth aspect is the bridging member according to any one of the first to fifth aspects, wherein the mounting projection is the pair of guide members in a state where a guide member is disposed on an upper surface. The frame member is fitted into the mounting groove, and the bridging member is in the lower part of the end surface of the mounting projection, and in the direction perpendicular to the transport direction as it goes downward of the end surface of the mounting projection. It has the inclination part formed inclining so that it might be located in the center side of a bridge | crosslinking member, It is characterized by the above-mentioned.

The bridging member according to claim 1 is attached to a roller conveyor device having a pair of frame members and a plurality of roller members. Since the bridging member is bridged between the pair of frame members between the plurality of roller members, the interval between the roller members can be divided by the bridging member. This bridging member can limit the size of foreign matter (for example, workers' limbs and parts) that can enter between the roller members, so that even if an accident occurs, serious injury or The occurrence of line stop can be suppressed. Further, since the upper end of the bridging member is disposed at a position lower than the upper ends of the plurality of roller members, the bridging member is transported by the rotation of each roller member (for example, , Containers, etc.) and the conveying performance of the roller conveyor device is not lowered. Therefore, the bridging member can prevent the occurrence of problems such as injury to the operator without deteriorating the conveyance performance of the roller conveyor device.
According to the bridging member according to the first aspect, the attachment protrusions are formed at both ends in the direction orthogonal to the transport direction, and the attachment protrusions are respectively a pair of frame members constituting the roller conveyor device. It is comprised so that it may fit with respect to the attachment groove formed in. Therefore, according to the bridging member, the mounting protrusions are fitted into the mounting grooves of the pair of frame members, respectively, so that a predetermined position between the roller members (a position between the roller members, a height with respect to the upper surface of the roller member) is obtained. The cross-linking member can be easily disposed.

  Since the bridging member according to claim 2 is configured to have an upper surface portion formed in a flat plate shape and a side wall portion formed so as to hang down from an end portion of the upper surface portion, It is possible to increase the rigidity against a load acting from above to below. That is, according to the bridging member, even when an operator's limb or the like is about to enter the space between the roller members from above due to an accident, the bridging member resists the load caused by the limbs or the like. Intrusion into the space can be prevented, and problems such as injury to the operator can be more reliably prevented. Further, since the side wall can be used as a guide when the bridging member is disposed between the roller members, the bridging member can be easily disposed at a predetermined position between the roller members. It becomes.

  According to the bridging member according to claim 3, the upper end of the bridging member is formed to be equal to or smaller than the inter-frame dimension formed between the pair of frame members in the direction orthogonal to the transport direction. Therefore, even when the bridging member is disposed between the roller members, the bridging member does not cover the upper surfaces of the pair of frame members. That is, according to the bridging member, the space on the upper surfaces of the pair of frame members can be effectively used, and various members can be disposed on the upper surfaces of the pair of frame members. For example, by arranging guide rails on the upper surface of the frame member, it is possible to guide the conveyance object in the roller conveyor device in the conveyance direction while holding the roller object on the roller member.

  In the bridging member according to claim 4, the upper end portion of the bridging member has an extending portion, and the extending portion is disposed adjacent to the bridging member from the edges on the upstream side and the downstream side in the transport direction. It extends toward the roller member side. Therefore, since the bridging member has the extending portion, a wider range can be closed between the plurality of roller members, and the foreign matter enters the space between the roller members. The occurrence of various problems can be suppressed. In addition, according to the bridging member, since a gap is formed between the extended portion and the surface of the roller member disposed adjacent to the extended portion, the extended portion does not hinder the rotation of the roller member. The conveyance performance of the roller conveyor device is not deteriorated.

It is an appearance perspective view of a bridge member and a roller conveyor device concerning this embodiment. It is explanatory drawing which shows the time of conveying a container with a roller conveyor apparatus. It is a disassembled perspective view of the bridge | crosslinking member and roller conveyor apparatus which concern on this embodiment. It is explanatory drawing which shows the example of attachment of the bridge | crosslinking member with respect to a roller conveyor apparatus. It is an external appearance perspective view which shows the upper part structure of the bridge | crosslinking member which concerns on this embodiment. It is an external appearance perspective view which shows the lower part structure of the bridge | crosslinking member which concerns on this embodiment. It is a vertical sectional view showing the positional relationship of the bridging member between the roller members. It is a vertical sectional view showing the positional relationship of bridging members between frame members.

  Hereinafter, based on an embodiment in which a cross-linking member according to the present invention is applied to a cross-linking member 10 disposed in a roller conveyor device 100, a detailed description will be given with reference to the drawings. In the present embodiment, the roller conveyor device 100 is used when a container C, which is a boxed product completed in a factory, is transported along a linear transport direction, and is transported from a boxing location (ie, a transport source) to a shipping location. It constitutes a part of the transport path for transporting to (that is, transport destination).

  In the following description, the vertical direction of the bridging member 10 and the roller conveyor device 100 is defined with reference to the roller conveyor device 100 installed in a work place such as a factory. Then, the upstream side in the transport direction of the container C in the roller conveyor device 100 is defined as “rear”, and the downstream side in the transport direction is defined as “front”. Further, by defining the vertical direction and the front-rear direction as described above, the horizontal direction is defined as shown in FIG.

  First, a schematic configuration of the roller conveyor device 100 in which the bridging member 10 according to the present embodiment can be disposed will be described with reference to FIGS. As described above, the roller conveyor device 100 configures a linearly extending portion among a plurality of roller conveyor devices that form a transport path extending from the transport source to the transport destination, and from the rear to the front according to the transport direction. It is used when the container C is transported toward.

  As shown in FIGS. 1 and 2, the roller conveyor device 100 is configured by rotatably mounting a plurality of roller members 30 between a pair of frame members 20, and between the plurality of roller members 30. The bridging member 10 according to this embodiment is formed to be attachable. In the roller conveyor device 100, after the container C is placed on the roller member 30 on the conveyance source side, the operator manually pushes the container C toward the conveyance direction downstream side (front side). Thus, each roller member 30 is rotated to smoothly move the container C to the downstream side in the transport direction.

  Further, in the roller conveyor apparatus 100, a guide member 40 is disposed on the upper surface of the frame member 20 (see FIGS. 1 and 2). The guide member 40 extends along the conveying direction on the upper surface of the frame member 20, and contacts the side surface of the container C moving on the plurality of roller members 30, thereby holding the container C on the roller member 30. Play a role.

  As shown in FIG. 3, the frame member 20 is configured by a channel material (grooved steel) having a U-shaped cross section cut to a predetermined length, and extends in the front-rear direction along the conveyance direction of the container C. It is arranged on the floor of the work place so as to extend. In the roller conveyor device 100, the two frame members 20 are disposed so as to face each other with a predetermined distance (second width dimension WB described later) therebetween. It extends in parallel along the transport direction. Each frame member 20 is disposed such that the side of the channel material on which the groove is opened faces the outer side of the roller conveyor device 100.

  A plurality of mounting grooves 21 are formed in the corners on the upper side of each frame member 20 so as to face the plurality of mounting grooves 21 in the other frame member 20, and the mounting grooves 21 will be described later. The mounting protrusion 17 of the bridging member 10 and the rotating shaft 31 of the roller member 30 are fitted (see FIGS. 4 and 7). Each of the attachment grooves 21 is formed in a groove shape extending downward from the upper surface of the frame member 20, and each of the attachment grooves 21 is formed with a length of a predetermined dimension from the upper surface of the frame member 20. That is, the mounting protrusion 17 of the bridging member 10 and the rotating shaft 31 of the roller member 30 are supported by the lower end portions of the mounting grooves 21.

  Therefore, as shown in FIG. 7, when each bridging member 10 is attached between the frame members 20, the upper end of each bridging member 10 has a predetermined height (first height) from the floor of the work place. HA). Similarly, when the roller members 30 are rotatably mounted between the frame members 20, the upper ends of the roller members 30 are all at a predetermined height (second height HB) from the floor surface of the work place. To position.

  The roller member 30 is formed in a cylindrical shape made of metal (for example, made of stainless steel) and has substantially the same length as the interval (that is, the second width dimension WB) formed between the pair of frame members 20. doing. The roller member 30 is rotatably mounted in a state where the roller member 30 is bridged between the pair of frame members 20, and the axial direction of the roller member 30 is a direction orthogonal to the conveying direction of the roller conveyor device 100 (left and right). Direction).

  As shown in FIG. 1, FIG. 2, etc., the plurality of roller members 30 are attached side by side along the conveying direction (front-rear direction) in the roller conveyor device 100 and are in contact with the bottom surface of the container C. The container C can be conveyed while being supported by rotating while rotating. The interval between the roller members 30 can be arbitrarily set, and is determined as appropriate according to the size of the object to be transported (for example, container C) and the outer diameter and number of roller members 30 used in the roller conveyor device 100. be able to.

  And the rotating shaft 31 is provided in the both ends of each roller member 30 (refer FIG. 3). The rotating shaft 31 has a substantially cylindrical shape extending along the axis of the roller member 30, and the outer diameter of the rotating shaft 31 is slightly smaller than the width of the mounting groove 21 of the frame member 20. Yes. Therefore, the roller member 30 is rotatably supported in either the forward or reverse direction by fitting each rotary shaft 31 into the mounting groove 21 formed on the frame member 20 side.

  The guide member 40 is configured by cutting an angle material (an angle steel) having a substantially L-shaped cross section according to the length of the frame member 20, and is attached to the upper surface of each frame member 20. ing. As shown in FIG. 1 to FIG. 4, the guide member 40 has a substantially L-shaped angle member standing upright at the end of the upper surface of the frame member 20 on the conveyance path side (roller member 30 side). The frame member 20 is attached to the upper surface. As a result, the side surface of the container C that moves on the conveyance path constituted by the upper ends of the roller members 30 comes into contact with the guide member 40, so that the guide member 40 moves the container C that is the conveyance object to the conveyance path. It keeps on the top and fulfills the function of guiding more smoothly downstream in the transport direction.

  Next, the configuration of the bridging member 10 according to the present embodiment will be described in detail with reference to FIGS. 5 and 6. As shown in FIGS. 1 to 4 and the like, the bridging member 10 according to the present embodiment is attached between a plurality of roller members 30 so as to span between a pair of frame members 20. A space formed between the members 30 is closed. The cross-linking member 10 is formed by injection molding a synthetic resin (for example, polypropylene). As shown in FIGS. 1 to 6, the upper surface portion 11, the side wall portion 15, and the attachment protrusion 17 are formed. Have.

  As shown in FIG. 5 and the like, in the bridging member 10 according to the present embodiment, the upper surface portion 11 is formed in a substantially rectangular flat plate shape, and constitutes the upper surface of the bridging member 10. Therefore, in the present embodiment, the upper surface of the upper surface portion 11 constitutes the upper end of the bridging member 10. The longitudinal dimension of the upper surface portion 11 is substantially equal to the distance between the frame members 20, and the short dimension of the upper surface portion 11 is formed to be approximately equal to the distance between the surfaces of two adjacent roller members 30.

  And the said upper surface part 11 has the upper side inclination part 12 in the both ends (short side) in the left-right direction. The upper inclined portion 12 is inclined so that the upper surface of the upper surface portion 11 is directed downward toward the end in the left-right direction.

  Here, when an operator works using the roller conveyor device 100, it is assumed that the worker stands on the outside of the frame member 20 and extends his hand in a direction orthogonal to the conveyance direction. In this case, if the hand is extended in the direction orthogonal to the conveying direction, the cuffs of the clothes of the operator may be caught by the end of the bridging member 10 in the left-right direction, which may cause an accident. In this respect, as in the bridging member 10 according to the present embodiment, by forming the upper inclined portion 12 at the end portion of the upper surface portion 11 in the left-right direction, the end portion in the left-right direction is positioned below, so in the left-right direction The possibility that the end portion of the upper surface portion 11 is caught on the operator's cuffs or the like can be reduced.

  And the extension part 13 is formed in the both ends of the upper surface part 11 in the front-back direction, The said extension part 13 is further horizontal toward the front or back in the both ends in the front-back direction of the upper surface part 11. It is composed by extending to. As shown in FIG. 7, when the bridging member 10 is attached to the roller conveyor device 100, the extending portion 13 is disposed so as to partially cover the upper side of the adjacent roller member 30. Accordingly, since the bridging member 10 covers the space between the roller members 30 more widely, even if an accident occurs, the operator's hand, parts, etc. enter between the roller members 30. It is possible to prevent the occurrence of problems such as injury to the operator.

  As shown in FIGS. 6 and 7, each extended portion 13 is formed with a lower inclined portion 13 </ b> A along an edge located in the front-rear direction. 13 A of lower side inclination parts incline so that the lower surface of the extension part 13 may go upwards, so that the edge part side of the extension part 13 in the front-back direction may go upward. As described above, since the extending portion 13 is positioned so as to partially cover the upper portion of the roller member 30, the lower inclined surface 13 </ b> A is formed so that the lower surface of the extending portion 13 and the surface of the roller member 30 are formed. The distance between the two can be made wider. Thereby, in the said roller conveyor apparatus 100, since the bridge | crosslinking member 10 and the roller member 30 contact and rotation of the roller member 30 is not prevented, the conveyance performance of the roller conveyor apparatus 100 can be maintained.

  As shown in FIGS. 5 to 7, in the bridging member 10, the side wall portion 15 is formed integrally with the upper surface portion 11 so as to hang downward from the end portion side of the upper surface portion 11. Since the upper surface part 11 and each side wall part 15 are formed so as to be orthogonal to each other, the bridging member 10 can increase the rigidity with respect to a load applied downward from above the bridging member 10 by each side wall part 15. Thereby, for example, even when the operator touches the upper surface portion 11 of the bridging member 10 due to an accident, the load can be withstood, and the operator's hand is placed between the roller members 30. It is possible to prevent being caught and injured.

  Further, when the bridging member 10 is attached to the roller conveyor device 100, each side wall portion 15 is disposed so as to reach the lower end from the end portion of the upper surface portion 11 through the vicinity of the surface of the roller member 30. (See FIG. 7). Therefore, when the bridging member 10 is attached between the roller members 30, the attachment position of the bridging member 10 between the roller members 30 is determined based on the relative positional relationship between the side wall portions 15 and the roller member 30. Can be identified. That is, the side wall 15 can function as a guide for disposing the bridging member 10 at a predetermined position of the roller conveyor device 100.

  A reinforcing rib 16 is formed below the upper surface portion 11 so as to extend in the front-rear direction and the left-right direction so as to partition between the side wall portions 15. The reinforcing rib 16 increases the rigidity with respect to the load applied downward from above the bridging member 10, similarly to the side wall portion 15 described above. Thereby, for example, even when the operator touches the upper surface portion 11 of the bridging member 10 due to an accident, the load can be withstood, and the operator's hand is placed between the roller members 30. It is possible to prevent being caught and injured.

  As shown in FIGS. 5, 6, etc., attachment protrusions 17 are formed at both ends in the left-right direction of the bridging member 10, which is slightly larger than the width dimension of the attachment groove 21 formed in the frame member 20. It has a small diameter. The longitudinal dimension of the bridging member 10 including the end face of the mounting protrusion 17 is formed to be slightly larger than the interval between the frame members 20. As a result, the mounting protrusion 17 can be fitted into the mounting groove 21, and the bridging member 10 can be disposed so as to span between the frame members 20.

  As shown in FIG. 4, when the guide member 40 is attached to the upper surface of one of the frame members 20, the attachment protrusion 17 is attached to the attachment groove 21 whose upper portion is closed by the guide member 40. Can be inserted. That is, in the roller conveyor apparatus 100 according to the present embodiment, the bridging member 10 can be attached even when the guide member 40 is attached to the upper surface of one frame member 20.

  Subsequently, the positional relationship in the vertical direction between the bridging member 10 and the roller member 30 will be described with reference to FIG. 7 in the case where the bridging member 10 according to the present embodiment is attached to the roller conveyor device 100. FIG. 7 is a vertical cross-sectional view showing the positional relationship of the bridging member 10 between the roller members 30 and cutting the roller conveyor device 100 along the front-rear direction.

  As described above, the bridging member 10 is attached to the roller conveyor device 100 by fitting the attachment protrusion 17 into the attachment groove 21 of the frame member 20. At this time, the mounting protrusion 17 is supported by the lower end of the mounting groove 21 of the frame member 20 (see FIG. 8). On the other hand, as described above, the roller member 30 is rotatably mounted by fitting the rotating shaft 31 to the mounting groove 21 of the frame member 20. In the case of the roller member 30, the rotation shaft 31 is supported by the lower end portion of the mounting groove 21 of the frame member 20.

  As shown in FIG. 7, when the mounting protrusion 17 of the bridging member 10 is fitted into the mounting groove 21 of the frame member 20, the upper surface of the upper surface portion 11 (that is, the upper end of the bridging member 10) is a roller conveyor. Any bridging member 10 is located at a predetermined height with respect to the floor on which the apparatus 100 is installed. In this case, the height of the upper end of the bridging member 10 with respect to the floor surface is referred to as “first height HA”.

  When the rotating shaft 31 of the roller member 30 is fitted in the mounting groove 21 of the frame member 20, the upper end of each roller member 30 is the first height with respect to the floor surface on which the roller conveyor device 100 is installed. It is located at a predetermined height higher than the height HA. In this case, the height of the upper end of the roller member 30 with respect to the floor surface is referred to as “second height HB”.

  In the roller conveyor device 100 according to the present embodiment, the surface of the upper surface portion 11 that is the upper end of each bridging member 10 has a first height HA that is lower than the second height HB that is the upper end of each roller member 30. Located in. That is, since each bridging member 10 does not contact the bottom surface of the conveyance object (container C) conveyed on each roller member 30, the bridging member 10 is a roller conveyor device by the rotation of each roller member 30. The conveyance performance of 100 is not deteriorated.

  Next, regarding the case where the bridging member 10 according to the present embodiment is attached to the roller conveyor device 100, the relationship between the upper surface portion 11 of the bridging member 10 and the interval between the frame members 20 will be described with reference to FIG. explain. FIG. 8 is a vertical cross-sectional view showing the positional relationship of the bridging member 10 between the frame members 20 and cutting the roller conveyor device 100 along the left-right direction.

  As described above, in the roller conveyor device 100 according to the present embodiment, the pair of frame members 20 are arranged so as to extend in parallel with each other with a predetermined interval (that is, the second width dimension WB). It is installed. Between the frame members 20, the bridging member 10 is disposed so as to be bridged via the mounting groove 21. The upper surface portion 11 of the bridging member 10 is formed in a substantially rectangular flat plate shape and constitutes the upper surface of the bridging member 10. As shown in FIG. 1 and the like, the long side of the upper surface portion 11 is disposed along the left-right direction of the roller conveyor device 100, and is formed to have a first width dimension WA slightly shorter than the second width dimension WB. ing.

  The first width dimension WA that is the long side dimension of the upper surface portion 11 is slightly shorter (for example, about several millimeters) than the second width dimension WB that is the interval between the frame members 20. When arranged so as to be bridged between the two, the upper surface portion 11 of the bridging member 10 is not disposed so as to overlap the upper surface of the frame member 20 (see FIG. 8).

  Therefore, by using the bridging member 10, it is possible to effectively use the upper surface of the frame member 20 constituting the roller conveyor device 100, and the guide member 40 is used as the upper surface of the frame member 20 as in the present embodiment. It is also possible to dispose them. In this case, the distance between the guide members 40 can be made equal to the second width dimension WB, which is the distance between the frame members 20. The effect of the guide member 40 “guide along” can be more appropriately exhibited.

  As described above, the bridging member 10 according to this embodiment is attached to the roller conveyor device 100 having the pair of frame members 20 and the plurality of roller members 30. The bridging member 10 spans between the pair of frame members 20 between the plurality of roller members 30 as shown in FIGS. Blocked. Since the bridging member 10 can restrict the entry of foreign matter (for example, a worker's limbs or parts) between the roller members 30, even if an accident occurs, a serious injury or work line of the worker can occur. The occurrence of a stop can be suppressed.

  Further, as shown in FIG. 7, since the upper end of the bridging member 10 (that is, the upper surface of the upper surface portion 11) is disposed at a position lower than the upper ends of the plurality of roller members 30, The bridging member 10 does not come into contact with a conveyance object (for example, the container C) conveyed by the rotation of each roller member 30, and does not deteriorate the conveyance performance of the roller conveyor device 100. Therefore, the bridging member 10 can prevent the occurrence of problems such as injury to the operator without deteriorating the conveyance performance of the roller conveyor device 100.

  And as shown in FIGS. 5-7, the said bridge | crosslinking member 10 has the upper surface part 11 formed in flat form, and the side wall part 15 formed so that it might hang down from the edge part of the said upper surface part 11. Since it is comprised so that it may have, the rigidity with respect to the load which acts toward the downward direction from the upper direction of the bridging member 10 can be improved. That is, according to the bridging member 10, even when an operator's limb or the like tries to enter the space between the roller members 30 from above by the accident, the roller member resists the load by the limb or the like. Intrusion into the space between 30 can be prevented, and problems such as injury to the operator can be more reliably prevented.

  Further, each side wall portion 15 is disposed so as to reach the lower end from the end portion of the upper surface portion 11 through the vicinity of the surface of the roller member 30 (see FIG. 7). When attaching the bridge member 10, the attachment position of the bridging member 10 between the roller members 30 can be specified based on the relative positional relationship between the side wall portions 15 and the roller member 30. That is, the side wall 15 can function as a guide for disposing the bridging member 10 at a predetermined position of the roller conveyor device 100.

  Further, in the bridging member 10, the long side of the upper surface portion 11 is formed to have a first width dimension WA slightly shorter than the second width dimension WB indicating the interval between the frame members 20 (FIG. 8). For this reason, even when the bridging member 10 is disposed between the roller members 30, the bridging member 10 does not cover the upper surfaces of the pair of frame members 20. Therefore, according to the bridging member 10, the space on the upper surfaces of the pair of frame members 20 can be used effectively, and various members can be disposed on the upper surfaces of the pair of frame members 20. For example, by arranging the guide member 40 on the upper surface of the frame member 20, the container C can be guided in the transport direction while being kept on the roller member 30.

  On the upper surface portion 11 of the bridging member 10, extending portions 13 are formed by extending both end portions in the front-rear direction of the upper surface portion 11 further horizontally toward the front or rear. When the bridging member 10 is attached to the roller conveyor device 100, the extending portion 13 is disposed so as to partially cover the upper side of the adjacent roller member 30 (see FIG. 7). Accordingly, since the bridging member 10 covers the space between the roller members 30 more widely, even if an accident occurs, the operator's hand, parts, etc. enter between the roller members 30. Therefore, it is possible to prevent the occurrence of problems such as injury to the operator. As shown in FIG. 7, a gap is formed between the extending portion 13 and the surface of the roller member 30 when the bridging member 10 is attached to the roller conveyor device 100. That is, since the extending part 13 does not hinder the rotation of the roller member 30, the conveying performance of the roller conveyor device 100 is not deteriorated.

  And the attachment protrusion 17 is formed in the both right-and-left both ends of the said bridge | crosslinking member 10, The said attachment protrusion 17 is comprised so that a fitting to the attachment groove | channel 21 formed in a pair of frame member 20 is possible. (See FIGS. 3 and 8). Therefore, according to the bridging member 10, the mounting protrusions 17 are fitted into the mounting grooves 21 of the pair of frame members 20, respectively, so that a predetermined position between the roller members 30 (a position between the roller members 30). Further, the bridging member 10 can be easily disposed at a height relationship with respect to the upper surface of the roller member 30 (see FIGS. 7 and 8).

  Although the present invention has been described based on the embodiments, the present invention is not limited to the above-described embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention. For example, the bridging member 10 according to the present invention can be applied to any roller conveyor device in which a plurality of roller members 30 are rotatably supported at a predetermined interval between a pair of frame members 20. It is. For example, the present invention provides a drive device (for example, a motor) for rotating a plurality of roller members, and a mechanism (for example, a gear train, an endless belt, etc.) for transmitting the drive of the drive device to the roller members. It is also possible to apply to the roller conveyor apparatus which has.

  Furthermore, in embodiment mentioned above, although the roller conveyor apparatus 100 was the aspect which installs the frame member 20 directly with respect to the floor surface of a work place, it is not limited to this aspect. For example, a mode in which a support base is disposed below the frame member 20 may be employed. In this case, the support base may have a fixed height dimension, or may have a height adjustment mechanism for adjusting the support height of the frame member 20.

  In the above-described embodiment, the cross-linking member 10 is formed of a synthetic resin (for example, polypropylene), but is not limited to this mode. For example, the bridging member 10 may be made of a light steel material (aluminum or the like), or the bridging member 10 can be formed using various materials.

  Furthermore, in the above-described embodiment, the space between the roller members 30 is closed by the upper surface portion 11 of the bridging member 10, but the present invention is not limited to this mode. In other words, the bridging member 10 may be a member that is disposed between the roller members 30 so as to be bridged between the frame members 20. Even if the bridging member 10 does not have the upper surface portion 11, the space between the roller members 30 can be divided. Therefore, the size of foreign matters (for example, workers' limbs and parts) that can enter between the roller members 30. Can be limited. That is, even when an accident occurs, the bridging member 10 without the upper surface portion 11 can suppress the occurrence of serious injury of the worker and the stop of the work line.

  And the number of the bridge | crosslinking member 10 and the roller member 30 attached with respect to the roller conveyor apparatus 100 is not limited to embodiment mentioned above, It is possible to set arbitrarily. For example, a plurality of bridging members 10 may be disposed between the roller members 30 so as to span between the frame members 20.

  In the above-described embodiment, the frame member 20 constituting the roller conveyor device 100 is formed with the mounting groove 21 and the mounting protrusion 17 of the bridging member 10 is fitted to the mounting groove 21. However, the present invention is not limited to this embodiment. For example, it is possible to adopt a mode in which an attachment hole through which the attachment protrusion 17 of the bridging member 10 can be inserted is formed in the frame member 20.

  And the shape of each attachment protrusion 17 in the bridging member 10 is not limited to the shape shown in the above-described embodiment (for example, see FIGS. 5, 6, and 8), and various modes can be adopted. . For example, it is also possible to form an inclined portion that inclines so as to be located at the center side in the left-right direction of the bridging member 10 toward the lower side of the end surface of the mounting projection 17 in the lower portion of the end surface of the mounting projection 17. . If such an inclined portion is formed on the end surface of the mounting protrusion 17, the mounting protrusion 17 is inserted into the mounting groove 21 in a state where the guide member 40 is disposed on the upper surface of the frame member 20, and the bridging member 10. In the case of attachment (see FIG. 4), the end face of the attachment protrusion 17 is not caught by the lower end of the attachment groove 21, and the bridging member 10 can be smoothly attached between the frame members 20.

  Furthermore, in embodiment mentioned above, the roller conveyor apparatus 100 was a roller conveyor apparatus which comprises the part which conveys a conveyance target object linearly, However, It is not limited to this aspect. That is, the bridging member according to the present invention can also be applied to a roller conveyor device that constitutes a corner portion in the conveyance path. In this case, if the cylindrical roller member 30 is radially arranged from the inner diameter side of the corner, a cross-linking member having a fan shape corresponding to the space between the roller members 30 may be provided. . When the substantially conical roller member is radially arranged from the inner diameter side of the corner, the bridging member 10 having the same shape as that of the above-described embodiment is arranged in a size corresponding to the space between the roller members. Just set up.

DESCRIPTION OF SYMBOLS 10 Bridging member 11 Upper surface part 13 Extension part 15 Side wall part 17 Mounting protrusion 20 Frame member 21 Mounting groove 30 Roller member 40 Guide member 100 Roller conveyor apparatus C Container WA 1st width dimension WB 2nd width dimension HA 1st height HB second height

Claims (6)

A pair of frame members extending along a predetermined conveyance direction and facing each other with a predetermined interval therebetween, and both ends of the pair of frame members are rotatably supported by the pair of frame members, along the conveyance direction. A bridging member that is attached to a roller conveyor device that conveys an object to be conveyed in the conveying direction by the rotation of the plurality of roller members,
The bridging member is
Between the plurality of roller members, spanned between the pair of frame members,
The upper end of the bridging member is disposed at a position lower than the upper ends of the plurality of roller members ,
Having mounting protrusions formed at both ends of the bridging member in a direction perpendicular to the conveying direction;
The mounting protrusion is
A bridge formed on each of the pair of frame members, and fitted to mounting grooves that can be rotatably mounted on rotation shafts provided at both ends of the plurality of roller members. Element. The bridging member according to claim 1,
The bridging member is
An upper surface portion formed in a flat plate shape and constituting the upper end of the bridging member;
And a side wall portion formed so as to hang from the end portion of the upper surface portion on the upstream side and the downstream side in the transport direction. The bridging member according to claim 1 or 2,
The upper end of the bridging member is
A bridging member, wherein the cross-linking member is formed so as to be equal to or smaller than an inter-frame dimension formed between the pair of frame members in a direction orthogonal to the transport direction. A bridging member according to any one of claims 1 to 3,
The upper end portion of the bridging member is
From the edge in the conveyance direction upstream side and the downstream side, it has an extension part extended toward the roller member side arranged adjacent to the bridging member,
A bridging member, wherein a gap is formed between the extension portion and the surface of the roller member arranged adjacent to the extension portion. The cross-linking member according to claim 1 ,
The bridging member is
An upper surface portion formed in a flat plate shape and constituting the upper end of the bridging member;
An upper inclined portion formed such that the upper surface of the upper surface portion is inclined downwardly toward the pair of frame members from both end portions of the upper surface portion in a direction orthogonal to the transport direction < A cross-linking member characterized by the above. A bridging member according to any one of claims 1 to 5,
The mounting protrusion is
Fitting the mounting groove of the pair of frame members in a state where the guide member is disposed on the upper surface,
The bridging member is
An inclined portion formed on the lower portion of the end surface of the mounting projection so as to be positioned closer to the center side of the bridging member in a direction orthogonal to the transport direction as it goes downward of the end surface of the mounting projection. Have
A cross-linking member characterized by that.

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