JPH1087047A - Carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carrying device which can carry easily without giving a vibration by using a simple structure. SOLUTION: An article is loaded on the loading part of a loading table 8 at the upstream side of a carrying device main boy 1 in a waiting condition. By projecting the operating part 13 of the hydraulic cylinder 14 of a rotating means 10, a moving body 12 is moved to the downstream side while being guided by a guide rail 11. The wheel 24 of a rail 21 engaged at the lowermost position within an operating groove 15 to incline the moving body 12 is moved to the upper side, so as to rotate the rail 21 at rotating parts 19 and 19. In a carrier plate 50 furnishing a slider 53 to engage movable to the rail 21, its upper surface is projected upward upper than the loading part, by converting a circular movement to the up and down movement, by the movement regulation to the horizontal direction. The article on the loading part is pushed up and loaded on the carrier plate 50. A shaft member to screw and hold a sliding body 38 is rotated by driving the electric motor 34 of a moving means, and the sliding body 38 is moved to the downstream side while being guided by a guide member. The carrier plate 50 is lowered at a specific position by the reverse operation of an elevating means 25, and the article is carried by loading on the loading part at a specific position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer apparatus for transferring a transfer plate on which articles are placed in a substantially horizontal direction.

[0002]

2. Description of the Related Art Conventionally, articles are conveyed on the basis of a conveyor such as a belt conveyor described in Japanese Utility Model Laid-Open No. 3-21015 or a roller conveyor described in Japanese Patent Application Laid-Open No. 63-123707. The method of carrying using the carrying apparatus which was used is taken.

[0003]

In the case of transporting articles which are vulnerable to impact, these conveyor-based transport apparatuses may affect the articles due to vibration during transport. It is conceivable that the article is transported by moving a transport plate on which the article is placed.

[0004] However, in the trolley system in which the transport plate is moved, it is difficult to carry out the operation of placing the article on the transport plate, transporting the article, and lowering the article from the transport board without giving vibration to the article.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a transfer device which can be easily transferred without giving a vibration with a simple structure.

[0006]

According to a first aspect of the present invention, there is provided a transfer device, wherein a pair of longitudinal mounting portions having a substantially horizontal plane are provided substantially in parallel with a gap therebetween. A flat plate-like transport plate having a substantially horizontal plane located between the mounting portions, guide means for guiding and holding the transport plate so as to be movable in a substantially horizontal direction along the longitudinal direction of the gap, and the transport plate Moving means for moving the guide means while guiding them, and elevating means for elevating and lowering the guide means so that the upper surface of the transport plate rises and descends from between the mounting portions. The guide means for movably guiding and holding the transfer plate is raised by the elevating means, and the upper surface of the transfer plate is protruded upward from the gap between the pair of mounting portions to transfer the article on the mounting portion up. Placed on a board and guided by a guide means While moving to a predetermined position along the gap in a substantially horizontal direction by the moving means, the upper surface of the transport plate is lowered by the elevating means from the space between the pair of mounting parts, and again on the mounting part. Since it is placed and transported, it can be easily transported with a simple configuration without giving any vibration.

According to a second aspect of the present invention, in the transporting apparatus of the first aspect, the guide means has a longitudinal direction along the longitudinal direction of the gap and is disposed in a substantially horizontal direction for movably holding the transport plate. A lifting part, a lifting part, a rotation part for holding the rail part on a mounting table in a rotatable manner while keeping the longitudinal direction substantially horizontal, and a rotation part for rotating the rail part. The rail portion is rotatably held on the mounting table by the rotating portion of the elevating means while maintaining the longitudinal direction substantially in the horizontal direction, and the rail portion is used as the rotating means of the elevating means. As a result, the transfer plate movably held by the rail portion is smoothly moved up and down on the upper surface from between the pair of mounting portions of the mounting table.

According to a third aspect of the present invention, there is provided the transport apparatus according to the first or second aspect, wherein the moving means includes a sliding body for connecting and holding the transport plate so as to be vertically movable, and a gap between the sliding body in a substantially horizontal direction. And a driving means for moving the slide plate along the gap in a substantially horizontal direction by means of the driving means. The transport plate that can appear and disappear from between the units can easily move along the gap in a substantially horizontal direction with a simple configuration.

According to a fourth aspect of the present invention, in the transporting apparatus of the third aspect, the driving means guides and holds the sliding body so as to be movable in a substantially horizontal direction along the gap. A substantially cylindrical shaft member having a spiral screw portion that is screwed to the sliding body on the peripheral surface substantially in parallel, and a drive unit that rotates the shaft member about a central axis as an axial direction, In order to rotate a substantially cylindrical shaft member having a spiral screw portion which is substantially parallel to the guide portion and which is screwed into the sliding body on the peripheral surface around the central axis by the driving portion, a pair of mounting tables is provided. With a simple configuration, the transport plate that can come and go from between the mounting portions can be smoothly and easily moved along the gap in a substantially horizontal direction.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a transfer apparatus according to an embodiment of the present invention.

In FIG. 1 to FIG. 3, reference numeral 1 denotes a transfer device main body, which is provided on a top surface of an elongated box-shaped box portion 2 having an open upper surface, with a substantially rectangular cover having a substantially horizontal plane. The plate 3 has a pair of rectangular pedestals 4 that are provided on one side in the longitudinal direction with a predetermined gap therebetween.
On the upper portions of both side plate portions 4a and 4b of the pedestal portion 4, a mounting portion 5 projecting upward in a wall shape and having an upper edge bent substantially vertically inward and having a flat surface in a substantially horizontal direction is provided. A mounting plate 7 is integrally provided so as to be substantially parallel to each other with a gap 6 therebetween, and a mounting table 8 is formed.

A rotating means 10 is provided on the inner surface of one of the side plates 4a of the pedestal 4 of the mounting table 8. The rotating means 10 is provided at a substantially central portion of the side plate portion 4a and has a guide rail portion 11 having a longitudinal direction along the longitudinal direction of the side plate portion 4a. A movable body 12 movably held in the direction, and an operating means having a retractable operating portion 13 connected to the movable body 12 attached to the side plate portion 4a and located near the end of the guide rail portion 11. For example, a hydraulic cylinder 14 is provided. In addition, the moving body 12 has an operating groove formed on the side surface opposite to the side surface held by the guide rail portion 11 and having a concave shape along one side of the side plate portion 4a and having one end positioned downward and inclined. 15 are provided.

Further, a side plate portion 4a provided with a rotating means 10 is provided.
At both ends on the inner surface side, a substantially columnar holding pillar 17,
17 are protruding respectively. One end of an elongated plate-like connecting plate 18 is rotatably attached to the tip of the holding pillar 17. The holding pillar 17 and the connecting plate 18 constitute a rotating part 19. In addition, connecting plate
The other end of 18 has a rail portion 21 as a guide means having a substantially U-shaped cross section having a longitudinal direction along the longitudinal direction of the side plate portion 4a and having a concave groove-shaped groove portion 20 along the longitudinal direction. Both ends are relatively rotatably mounted so as to open the groove 20 toward the side. The rail portion 21 is rotatably provided on the side plate portion 4a so as to open the groove portion 20 to the side so as to be rotatable in a state where the longitudinal direction is maintained substantially in the horizontal direction by the rotating portions 19, 19. I have.

A substantially central portion of the rail portion 21 is provided with a bearing portion 23 projecting in the shape of a tongue downwardly, which is one side in the longitudinal direction.
Are provided integrally. Further, a wheel 24 that engages with the operating groove 15 of the moving body 12 is rotatably supported at the protruding lower end of the bearing 23. And the rotating part 1
An elevating means for elevating and lowering the rail section 21 is constituted by the 9, 19 and the rotating means 10, and a link mechanism is constituted by the rail section 21, the rotating sections 19, 19 and the rotating means 10. That is, in the operation of moving the operating portion 13 of the hydraulic cylinder 14 of the rotating means 10, the moving body 12 moves in a substantially horizontal direction while being guided by the guide rail portion 11. 15 engages in the wheel 24 while the rotating groove
Move in 15 and move up and down. Further, by the up and down movement of the wheels 24, the rail portion 21 turns in a state where it is maintained in a substantially horizontal direction by the turning portions 19, 19, so that the rail portion 21 is in a state of moving in the up and down direction.

On the other hand, the other side plate portion of the pedestal portion 4 of the mounting table 8
Moving means 26 is provided on the inner surface side of 4b. The moving means 26 includes a pair of bearings 27, 27 projecting inward from both ends on the inner surface side of the side plate portion 4b. Have. And
On the peripheral surface of the shaft member 28, screw portions 29 are provided spirally at a narrow pitch. Further, a pulley 30 is integrally provided at one end of the shaft member 28. Further, an electric motor 34 as a drive unit having an output shaft 33 provided with an output pulley 32 at a distal end is provided at one end on the outer surface side of the side plate portion 4b. Then, the output pulley 32 and the pulley 30 of the shaft member 28
At this time, an endless belt 35 as an output transmission member is stretched, and the shaft member 28 is rotated by driving the electric motor 34.

A shaft member is provided between the base ends of the bearings 27, 27.
A pair of elongated rod-shaped guide portions 36 are provided substantially in parallel with 28 and positioned vertically. Then, the shaft member 28, the guide portion 3
6. Driving means 37 is constituted by the electric motor 34 as a driving unit.

Further, a sliding member 38 slidably engaged with the guide portions 36, 36 is inserted into and held by the shaft member 28, thereby constituting the moving means 26. The sliding member 38 is provided with engaging members 39, slidably engaging with the guide portions 36, 36, respectively.
A flat plate portion 40 provided with one side 39 is provided, and a pair of plate-like holding plates 41a and 41b are provided on substantially opposite sides of the plate portion 40 so as to protrude substantially vertically in a wall shape and are provided substantially in parallel. It is formed in a substantially box shape having upper and lower surfaces opened. Also, one holding plate 41
a is fitted with the shaft member 28 without contact, and the other holding plate 41b is provided integrally with a substantially cylindrical screw portion 42 which is screwed into the screw portion 29 of the shaft member 28 on the inner peripheral surface. Have been. Further, the slide body 38 is provided with a substantially cylindrical support member 43, 43 having an axial direction in the vertical direction, which is located at an edge portion of the holding plates 41a, 41b opposite to the plate portion 40, respectively. Is provided.

The sliding member 38 is moved in a substantially horizontal direction while being guided by the guide portions 36, 36 by the shaft member 28 rotated by the drive of the electric motor 34. At both ends of the shaft member 28, sliding bodies 38 are located inside the bearings 27
Stoppers 44, 44 are provided so as not to come into contact with.

On the other hand, reference numeral 50 denotes a transfer plate, which is provided with a soft member 51 such as rubber on the upper surface thereof.
5 are formed in a flat plate shape slightly narrower than the gap between them. At a substantially central portion of the lower surface of the transport plate 50, an arm portion 52 protruding downward is provided. Further, a sliding portion 53 is rotatably provided at a lower end portion of the arm portion 52. The sliding portion 53 includes a substantially plate-shaped flat plate portion 54 and a pair of sliding wheels 55 rotatably provided on the flat plate portion 54 and rotatably engaged in the grooves 20 of the rail portion 21. The transport plate 50 is held between the mounting portions 5 and 5 of the mounting table 8 so as to be movable in a substantially horizontal direction while being guided by the rail portion 21 via the sliding portion 53.

Further, on the lower surface of the transfer plate 50, a substantially columnar shape which is located on both sides of the arm 52 and protrudes downward and is slidably fitted in the axial support members 43, 43 of the sliding member 38 in the axial direction, respectively. Connection of
57, 57 are provided as a pair. The arm portion 52 and the pair of connecting portions 57, 57 are located in a gap between the narrow cover plates 3, 3 of the pedestal portion 4 of the mounting table 8 so as not to contact the cover plates 3, 3. Has become. Then, the transport plate 50 includes the support member 43,
By the connecting portions 57, 57 fitted in the 43, the sliding member 38 moves while being guided by the rail portion 21 by the sliding portion 53 along with the movement of the sliding member 38 substantially in the horizontal direction. And horizontal movement is restricted.

Note that the transport plate 50 is moved by the rotation of the rail portion 21 in which the sliding portion 53 is movably engaged while the movement in the substantially horizontal direction is restricted by the connecting portion 57. Sliding wheel
The link mechanism is converted into vertical movement by the rotation of 55, 55, and the upper surface protrudes upward from between the mounting portions 5, 5.

On the other hand, a plurality of sensors 60, 61, 62, 6 are arranged on the outer surface of the mounting plates 7, 7 of the mounting table 8 at substantially equal intervals in the longitudinal direction.
A mounting bracket 65 provided with 3, 64 is mounted.
These sensors 60, 61, 62, 63, 64 detect an article 67 conveyed by the conveyance plate 50. Also, on one mounting plate 4a,
The article 67, which is disposed near the end of the mounting bracket 65 and detects a not-shown display unit such as a bar code provided on the lower end of the article 67 conveyed by the conveyance plate 50, and conveys the article 67 conveyed. The notch 69 in which the article identification device 68 to be recognized is located
And a notch formed on the opposite side. In the transport device main body 1, the side on which the article identification device 68 is provided is the downstream side in the transport direction. In addition, each sensor 60, 61, 62, 63, 64
When a plurality of articles 67 to be conveyed are placed on the placement units 5 and 5 at a predetermined interval, only the downstream side of the article 67 is detected at a position interval. Then, the first sensor 60, the second sensor 61, the third sensor 62, the fourth sensor 63, and the fifth sensor 64 from the upstream side, and the first mounting from the upstream side of the first sensor 60. Position, the second mounting position, the third mounting position, the fourth mounting position, and the fifth mounting position, and the mounting table 8 which is the upper surface on the upstream side of the transfer device main body 1 is mounted. The article 67 is carried in and placed on the first placement position on the placement sections 5 and 5. Each sensor 60, 61, 62, 63, 64 is a mounting bracket
The arrangement position can be changed depending on the article conveyed on the 65.

Next, the operation of the above embodiment will be described.

First, the transport device main body 1 is
When a power supply of a control device (not shown) for controlling the operation of the power supply is turned on, the transport plate 50 is positioned at the first mounting position on the upstream side, and the standby state is such that the upper surface does not protrude from between the mounting portions 5 and 5. ing. When the upper surface of the transport plate 50 does not protrude from between the mounting portions 5 and 5, the operating portion 13 of the hydraulic cylinder 14 of the rotating means 10 does not protrude and the moving body 12 moves upstream of the guide rail portion 11. The rail portion 21 is at the lowest position with the wheels 24 of the bearing portion 23 of the rail portion 21 engaged with the lowest position in the operating groove 15 of the moving body 12.

Then, when the article 67 is carried in and placed at the first loading position on the loading sections 5 and 5 of the loading table 8 which is the upper surface on the upstream side of the transporting apparatus main body 1 in the standby state. , The first sensor 60 detects the article 67. Upon detection of the first sensor 60, the hydraulic cylinder 14 of the rotating means 10 is driven to operate
13 is projected, and the moving body 12 is moved to the downstream side while being guided by the guide rail portion 11. Due to the movement of the moving body 12,
The rail 24 guides the wheel 24 of the bearing portion 23 of the rail portion 21 engaged at the lowest position into the inclined operation groove 15 of the moving body 12 to move upward in the inclined operation groove 15 while rotating. twenty one
Is rotated upward while being maintained in a substantially horizontal direction by the rotating portions 19 and 19.

Further, the rail portion 21 which rotates upward.
The transfer plate 50 provided with a sliding portion 53 having a pair of sliding wheels 55 rotatably engaged with the sliding member 38 has a shaft support portion of a sliding body 38 into which the connecting portions 57 are slidably inserted in the up-down direction. Guided by the members 43, 43, the movement in the horizontal direction is restricted so that it can be moved only in the vertical direction, and the rail portion on which the sliding wheels 55, 55 of the sliding portion 53 rotate.
The sliding part 53 does not move in the horizontal direction due to the rotation in the groove part 20 of 21, and the upper surface is raised above the placing parts 5 and 5 by the link mechanism in which the circular movement of the rail part 21 is converted into the vertical movement. It rises to protrude. Then, the articles 67 placed on the receivers 5 and 5 are moved upward by the elevation of the transport plate 50.
Is placed on the transport plate 50 so as to be pushed up.

Thereafter, the moving body is moved until the wheel 24 of the bearing 23 of the rail 21 is positioned at the uppermost position of the operating groove 15 of the moving body 12.
The rotation means is detected by detecting that the transfer plate 12 has been moved and the transport plate 50 has been raised by a detection means such as a sensor (not shown).
The drive of the hydraulic cylinder 14 of 10 is stopped. Further, the electric motor 34 of the moving means 26 is driven to rotate the shaft member 28 in a predetermined direction via the endless belt 35. By the rotation of the shaft member 28, the sliding body 38 that engages with the spiral screw portion 29 of the shaft member 28 is moved downstream while being guided by the guide portions 36. Then, by the movement of the slide body 38 to the downstream side, the transport plate 50 in which the connecting portions 57, 57 are inserted into the shaft support members 43, 43 of the slide body 38 so as to be movable only in the vertical direction is moved to the downstream side. , The article 67 is conveyed.

Next, the article conveyed by the fifth sensor 64
When detecting that the sheet has been conveyed to the fifth mounting position by detecting 67, the electric motor 34 of the moving means 26 stops, the rotation of the shaft member 28 stops, and the movement of the conveying plate 50 to the downstream side stops. I do. It should be noted that by the time the article 67 is transported to the fifth placement position,
Is passed through the article identification device 68, the display unit (not shown) such as a bar code provided at the lower end of the article 67 is detected by the article identification device 68, and the article placed at the fifth placement position is detected. Recognize the contents of 67.

Thereafter, the operating portion 13 of the hydraulic cylinder 14 of the rotating means 10 operates in the retreating direction, and moves the moving body 12 so as to be drawn in to the upstream side. Due to the movement of the moving body 12,
The rail 24 guides the wheel 24 of the bearing 23 of the rail 21 engaged at the uppermost position into the inclined operation groove 15 of the moving body 12 to move downward in the inclined operation groove 15 while rotating. twenty one
Rotates downward while being maintained in a substantially horizontal direction by the rotating portions 19 and 19. The transport plate 50 provided with a sliding portion 53 having a pair of sliding wheels 55, 55 rotatably engaged with the rail portion 21 rotating downward is connected to the connecting portion in the same manner as when ascending.
The horizontal movement is restricted by being guided by the shaft supporting members 43 of the sliding body 38 into which the sliding members 57 are slidably inserted in the vertical direction. Wheel 55,
55 rotates within the groove 20 of the rail 21 to rotate, and the sliding portion 53 rotates.
Does not move in the horizontal direction, and the transport plate 50 whose upper surface protrudes above the receivers 5, 5 is connected to the receivers 5, 5 by a link mechanism in which the circular motion of the rail 21 is converted into vertical motion. It descends so as to retreat into the gap 6 between them. The lowering of the transport plate 50 causes the articles 67 placed on the transport plate 50 to move.
Are placed on the placement units 5 and 5, and the transfer is completed.

When the article 67 is conveyed to the first placement position by the first sensor to detect that the article 67 has been carried in and placed on the first placement position, the article 67 that has been conveyed in advance is detected by the fifth sensor.
If it is detected at 64 and it is recognized that it is present at the fifth placement position, the article 67 is not detected by the fourth sensor 63 and is placed at the fourth placement position. If it is recognized that the object 67 does not exist, the transport plate 50 is moved to the downstream side until the fourth sensor 63 detects the article 67 to be transported, and is transported to the fourth placement position. Further, when the article 67 is also present at the fourth placement position, up to the third placement position, and when the article 67 is present at the third placement position, up to the second placement position. Transport. When the article 67 is present up to the second placement position, the transport for raising and moving the transport plate 50 is not performed, and the transport apparatus main body 1 does not operate in the standby state.

When the article 67 conveyed and placed at the fifth placement position is carried out of the carrying device body 1 by a separate means, the fifth sensor 64 detects the article 67. It is recognized that the article 67 does not exist at the fifth placement position. At this time, when the fourth sensor 63 detects that the article 67 is present at the fourth placement position, the first
Even if the article 67 is detected by the sensor 60, the transport plate 50 is moved to the fourth placement position and raised, and the article 67 is placed on the transport plate 50 again and moved to the fifth placement position. Article identification device up to 68
Recognizes and transports the article 67 with. And the fifth
It is recognized that the article 67 is present at the placement position of, and that the article is no longer present at the fourth placement position, and the third sensor 62 detects that the article is present at the third placement position. Is detected, the article 67 at the third placement position is similarly conveyed to the fourth placement position, and the article 67 is sequentially fed downstream.

According to the above embodiment, the rail 21 for guiding and holding the flat plate-like transport plate 50 having a substantially horizontal plane so as to be movable in the substantially horizontal direction is raised by the lifting means 25 constituting the link mechanism. Then, the upper surface of the transport plate 50 is advanced from a pair of substantially parallel mounting portions 5 and 5 having a flat surface in a substantially horizontal direction of the mounting table 8 on which the articles 67 are mounted and having a gap 6 therebetween. The articles 67 on the parts 5 and 5 are placed on the transport plate 50 so as to be pushed up, and the transport plate 50 is guided by the rail 21 while being moved substantially horizontally by the moving means 26 to a predetermined position along the gap. Move,
Since the rail unit 21 is moved down by the elevating means 25 so that the upper surface of the transport plate 50 is lowered from between the pair of receivers 5 and 5 and is again mounted on the receivers 5 and transported, a simple configuration is provided. Goods easily with 67
Can be conveyed without giving vibration.

Further, the rail portion 21 which movably holds the transport plate 50 and has a longitudinal direction along the gap 6 in a substantially horizontal direction,
Elevating means rotatable while maintaining its longitudinal direction substantially horizontal
It is held on the mounting table 8 by 25 rotating parts 19, 19, and this rail part
Since the link mechanism is configured to be able to move the transport plate 50 in the vertical direction by rotating the rotating means 21 by the rotating means 10 of the elevating means 25, the rail section
The transfer plate 50 movably held by the base 21 can smoothly move up and down from the pair of mounting portions 5 and 5 of the mounting table 8 so that the article 67 can be smoothly transferred without giving any vibration.

Further, a shaft support member 43 for connecting and holding the transfer plate 50 so that the connecting portions 57, 57 provided on the transfer plate 50 are vertically movable.
In order to move the slide body 38 having the moving member 26 in the substantially horizontal direction along the gap 6 by the moving means 26, the transport plate 50 which can be protruded and retracted from between the pair of mounting portions 5 and 5 of the mounting table 8 has a simple configuration. Can easily move along the gap 6 in a substantially horizontal direction. The vertically movable connecting and holding is performed by the substantially cylindrical support member 4 of the sliding body 38.
Since the substantially bar-shaped connecting portions 57 of the transfer plate 50 are fitted into the reference numerals 3 and 43 with a simple structure, the transfer plate 50 can be smoothly moved with the movement of the slide body 38.

The guides 36, 36 for guiding and holding the slide 38 so as to be movable along the gap 6 in a substantially horizontal direction, are substantially parallel to the guide portions 36, 36, and the engaging portions of the threaded portions 42 of the slide 38 are provided on the peripheral surface. Substantially cylindrical shaft member 28 having a spiral screw portion 29 that engages with
Is rotated by the electric motor 34 with the central axis as the axial direction, so that the transport plate 50 which can be protruded and retracted from the pair of mounting portions 5 and 5 of the mounting table 8 has a simple configuration and a smooth substantially horizontal gap 6. Can easily be moved.

As a link mechanism for moving the transport plate 50 up and down, the hydraulic cylinder 14 of the rotating means 10 moves the moving body 12 in a substantially horizontal direction. Groove-shaped actuating groove in which the wheel 24 of the part 23 is movably engaged.
15 is provided in an inclined manner, and a link mechanism is used to raise and lower the rail portion 21 in the vertical direction by this inclination.
21 can be moved up and down, so that the transport plate 50 can move up and down smoothly.

On the other hand, cover plates 3 and 3 are provided in a mounting table 8 to constitute a pedestal section 4, and a rotating means 10 and a rotating section are provided in the pedestal section 4.
19, 19, rail portion 21, shaft member 28 of moving means 26 and sliding body 38
Since the operating parts are housed, the operating parts are not visible from the outside, preventing the appearance from being deteriorated and improving the aesthetic appearance, as well as the attachment of dust and falling objects to the operating parts. As a result, it is possible to prevent malfunction and damage to each part.

In the above-described embodiment, the guide means is not limited to the rail part 21 having the groove part 20, but may be formed in a rod shape, and the rod-shaped guide means movably holds the transport plate 50. Any structure that guides and holds the transfer plate 50 so as to be movable in the substantially horizontal direction along the gap 6 can be used.

Further, as the moving means 26, for example, a guide is provided such that a slide 38 is provided integrally with an endless belt and the endless belt is rotated to move the slide 38 connecting the transfer plate 50. Any structure that can be moved while being guided by the robot can be used. The driving unit of the moving means 26 is not limited to the electric motor 34.

Further, as the elevating means 25, a structure constituting a link mechanism is preferable, but the upper surface of the transport plate 50 is directed upward from between the mounting parts 5 and 5, for example, by directly moving the rail part 21 vertically. Any structure that raises and lowers the guide means so that it can appear and disappear can be used.

[0041]

According to the first aspect of the present invention, the guide means for movably guiding and holding the transport plate is moved up and down by the elevating means, and the transport plate is guided by the guide means and substantially moved by the moving means. Since the sheet is transported while being moved in the horizontal direction, it can be easily transported with a simple configuration without giving any vibration.

According to the transport device of the second aspect, in addition to the effect of the transport device of the first aspect, the rotating portion of the lifting / lowering means is rotatable while keeping the longitudinal direction of the rail portion substantially horizontal. Since the rail is rotated by the rotating means of the elevating means, the upper surface of the transfer plate movably held by the rail can be smoothly protruded and retracted from between the mounting portions of the mounting table. .

According to the transport device of the third aspect, in addition to the effects of the transport device of the first or second aspect, the sliding member for connecting and holding the transport plate so as to be able to move up and down is substantially horizontally moved by the driving means. Therefore, the transport plate that can be moved in and out from between the pair of mounting portions of the mounting table can easily move along the gap in a substantially horizontal direction with a simple configuration.

According to the transport device of the fourth aspect, in addition to the effect of the transport device of the third aspect, a spiral screw portion which is substantially parallel to the guide portion and is screwed to the sliding body on the peripheral surface is provided. Since the substantially columnar shaft member is rotated by the driving unit, the transport plate that can be protruded and retracted from between the pair of mounting portions of the mounting table can be easily and smoothly moved in a substantially horizontal direction along the gap with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a plan cross-sectional view taken along line EE ′ in FIG. 2 showing one embodiment of a transport device of the present invention.

FIG. 2 is a side cross-sectional view taken along the line AA ′ in FIG.

FIG. 3 is a plan view showing the main body of the transfer device.

FIG. 4 is a side view in which a part of the above is cut away.

FIG. 5 is a sectional view taken along the line BB ′ in FIG. 1 showing the main body of the transfer device;

FIG. 6 is an end cross-sectional view taken along the line CC ′ in FIG.

FIG. 7 is a sectional view taken along the line DD ′ in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor main body 5 Mounting part 6 Gap 8 Mounting table 10 Rotating means 19 Rotating part 21 Rail part as guide means 25 Elevating means 26 Moving means 28 Shaft member 29 Screw part 34 Electric motor as drive part 36 Guide part 37 Driving means 38 Sliding body 50 Carrier plate

Claims (4)

[Claims] 1. A mounting table in which a pair of longitudinal mounting portions having a plane in a substantially horizontal direction are provided substantially in parallel with a gap therebetween. A flat plate-like transport plate, guide means for guiding and holding the transport plate in a substantially horizontal direction along the longitudinal direction of the gap, and moving means for moving the transport plate while being guided by the guide means And a lifting / lowering means for raising / lowering the guide means to cause the upper surface of the transport plate to protrude and protrude upward from between the placement units. 2. The guide means comprises a rail portion having a longitudinal direction along the longitudinal direction of the gap and arranged in a substantially horizontal direction for movably holding the transport plate, and the elevating means extends the rail portion in a longitudinal direction. 2. The transport device according to claim 1, further comprising: a rotation unit that rotatably holds the mounting table while maintaining the direction substantially in the horizontal direction; and a rotation unit that rotates the rail unit. . 3. The moving means comprises: a sliding body for connecting and holding the transport plate so as to be vertically movable; and a driving means for moving the sliding body in a substantially horizontal direction along the gap. 3. The transfer device according to 1 or 2. 4. A driving means comprising: a guide portion for guiding and holding a sliding body so as to be movable in a substantially horizontal direction along a gap; and a spiral shape which is substantially parallel to the guide portion and which is screwed to a peripheral surface of the sliding body. 4. The transfer device according to claim 3, further comprising: a substantially cylindrical shaft member having the threaded portion described above; and a drive unit configured to rotate the shaft member about a central axis as an axial direction.