초록 ▼

A work conveying apparatus including at least one movable work conveying device to support a work, a drive device capable of reciprocating by a predetermined distance in a predetermined direction, and a latching portion formed on at least one of the working conveying device and the drive device and

A work conveying apparatus including at least one movable work conveying device to support a work, a drive device capable of reciprocating by a predetermined distance in a predetermined direction, and a latching portion formed on at least one of the working conveying device and the drive device and configured to latch the working conveying device with the drive device and move the work conveying device when the drive device is moved in one direction in the reciprocating direction.

대표청구항 ▼

What is claimed is: 1. A work conveying apparatus, comprising: a work conveying device configured to support at least one work; a drive device configured to reciprocate a predetermined distance along a predetermined axis; and a latching portion formed on at least one of the work conveying device an

What is claimed is: 1. A work conveying apparatus, comprising: a work conveying device configured to support at least one work; a drive device configured to reciprocate a predetermined distance along a predetermined axis; and a latching portion formed on at least one of the work conveying device and the drive device, and configured to latch the work conveying device with the drive device and move the work conveying device when the drive device is moved in one direction along the predetermined axis; wherein the drive device reciprocates at the same level as a floor surface on which the work conveying device is moved. 2. The work conveying apparatus according to claim 1, further comprising a guiding device to guide the work conveying device so as to form a conveying path of the work. 3. The work conveying apparatus according to claim 2, wherein the guiding device has a length of integral multiple of a conveying distance where the work conveying device is moved through one reciprocating movement of the drive device. 4. The work conveying apparatus according to claim 3, wherein the guiding device is configured to form one conveying path extending in a conveying direction of the work conveying device. 5. The work conveying apparatus according to claim 4, wherein the transmission device and the guiding device are used together. 6. The work conveying apparatus according to claim 4, wherein the guiding device includes a pair of guide rails extending in the conveying direction of the work conveying device. 7. The work conveying apparatus according to claim 1, wherein the work conveying device includes at least one carriage having casters, wherein a distance between the carriage and the floor surface is set to be larger than a distance of an upper end portion of the drive device from the floor surface. 8. The work conveying apparatus according to claim 7, wherein the carriage includes a base portion engageable with the latching portion and a work mounting portion on which the work is mounted, a supporting member provided between the base portion and the work mounting portion, and configured to adjust a height of the base portion and the work mounting portion. 9. The work conveying apparatus according to claim 7, wherein each of the casters has a hardness sufficient to support a load in mounting the work on the carriage without being deformed and is formed by a nonferrous material lighter than iron. 10. The work conveying apparatus according to claim 1, wherein the drive device includes either a pneumatic cylinder or hydraulic cylinder, each of which having a cylinder tube and a piston rod, wherein the work is conveyed through latching of a leading end portion of the piston rod with the work conveying device by the latching portion in either expansion or contraction of the piston rod. 11. The work conveying apparatus according to claim 10, wherein the cylinder tube has a control device to control a period of expansion and contraction of the piston rod. 12. The work conveying apparatus according to claim 11, wherein the cylinder tube has an openable and closable relief valve for relieving a medium in the cylinder under a predetermine condition. 13. The work conveying apparatus according to claim 1, wherein the drive device comprises a linear motor configured to move the drive device along the predetermined axis. 14. The work conveying apparatus according to claim 1, wherein the work conveying device comprises a plurality of work conveying devices, wherein a supplementary conveying device is disposed between the adjacent work conveying devices. 15. The work conveying apparatus according to claim 14, wherein the supplementary conveying device comprises a supplementary carriage configured to mount thereon a part of the work and adjust an interval between the adjacent work conveying devices. 16. The work conveying apparatus according to claim 15, wherein a connecting mechanism to connect to the supplementary conveying device and the work conveying device is provided. 17. The work conveying apparatus according to claim 1, further comprising a conveying path formed to convey the work, a buffering member disposed at the vicinity of a conveying entrance of the conveying path and configured to receive a newly conveyed work conveying device temporarily, and a control device, wherein the control device controls the buffering member to allow the buffering member to project in the conveying path after feeding the already conveyed work conveying device in a conveying direction when conveying the new work conveying device following the work conveying device already conveyed in the conveying path, and support the conveyed work conveying device. 18. The work conveying apparatus according to claim 1, wherein the latching portion configured to latch the work conveying device includes a one way clutch configured to achieve the latching in the one direction along the predetermined axis, wherein the one way clutch is provided on any of the work conveying device, the drive device and the transmission device. 19. The work conveying apparatus according to claim 1, further comprising a power supplying equipment extending in a conveying direction of the work and provided above a conveying area of the work conveying device, and at least one power feeding device movably supported on the power supplying equipment and configured to feed power to any of the work, the work conveying device or a tool, wherein the power supplying equipment includes a work detection device to detect the movement of the work, a control device configured to control movement of the power feeding device in response to the work detection device detecting the movement of the work, and a drive device driven by the control device. 20. The work conveying apparatus according to claim 19, further comprising access detection devices provided in back and front of the power feeding device and configured to detect that an object is nearing, wherein the control device controls the movement of the power feeding device so as to prevent the power feeding device from impacting the object in response to either the front access detection device detecting front abnormal closeness or the back access detection device detecting back abnormal closeness. 21. The work conveying apparatus according to claim 19, wherein the work detection device detects the movement of the work based on an inclined angle to a perpendicular line of a cord configured to feed a power to the work, wherein the control device allows the drive device to drive so that the work is moved following the movement of the power feeding device based on variation of the inclined angle of the cord detected by the work detection device. 22. The work conveying apparatus of claim 1, further comprising: a guide rail provided on the floor surface; wherein the drive device includes an extendable piston rod and the piston rod is covered by the guide rail. 23. A work conveying apparatus, comprising: a work conveying device configured to support at least one work; a drive device configured to reciprocate a predetermined distance along a predetermined axis; a transmission device connected to the drive device and extending along the predetermined axis to form a conveying path of the work; and a latching portion provided to cooperate the work conveying device with the drive device and the transmission device, and configured to latch the work conveying device with the drive device and move the work conveying device when the drive device is moved in one direction along the predetermined axis; wherein the drive device reciprocates at the same level as a floor surface on which the work conveying device is moved. 24. The work conveying apparatus according to claim 23, wherein the transmission device includes a plurality of reciprocable pipe modules arranged in the reciprocating direction and connecting sections which are connectable to the pipe modules to vary a length of the connected pipe modules depending on a conveying distance of the work conveying device. 25. The work conveying apparatus according to claim 24, wherein the transmission device has a length of integral multiple of a conveying distance where the work conveying device is moved through one reciprocation of the drive device. 26. The work conveying apparatus according to claim 23, wherein the work conveying device includes at least one carriage having casters, wherein a distance between the carriage and the floor surface is set to be larger than a distance of an upper end portion of each of the drive device and the transmission device from the floor surface so that the work conveying device passes over the drive device and the transmission device. 27. The work conveying apparatus of claim 23, further comprising: a guide rail provided on the floor surface; wherein the drive device includes an extendable piston rod and the piston rod is covered by the guide rail.