JP3485153B2 - Article transfer equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article transfer apparatus provided with a main body mounting section for mounting and supporting an article to be transferred between an outer mounting section on the outer side.

[0002]

2. Description of the Related Art The above-mentioned article transfer device transfers an article between a main body mounting portion and an outer mounting portion.
A locking and transporting member that locks and conveys an article to be transferred between the article and the outer placement section, or an article that is moved up and down by a fork member to be transferred between the article and the outer placement section. There is something. And
In the article transfer device for transferring by the locking and transporting member, the locked portion is provided in advance at a predetermined position of the article, and the locking and transporting body is locked to the locked portion and transported. I am configuring. Further, in the article transfer device that transfers the article by the fork member, an outer placement section is provided so as to support the left and right sides of the article in a cantilevered manner, and the article is placed by the fork member on the outer placement section. It can be put on and off.

[0003]

Therefore, according to the article transfer device for transferring by the locking and conveying member, the transferable article is limited to the article having the structure in which the locked portion is provided at the predetermined position. There is a drawback. Further, according to the article transfer device that transfers the articles by the fork member, there is a drawback that the outer placement section is limited to a structure in which the articles can be loaded and unloaded by the fork member. The present invention has been made in view of the above circumstances,
An object of the present invention is to make it possible to transfer an article between the main body placing section and the outer placing section without particularly limiting the structures of the article and the outer placing section.

[0004]

According to another aspect of the present invention, there is provided an article transfer apparatus, wherein in a standby state in which an article transfer operation is not performed, a retracted position in which a carrier end of a sandwiched carrier is pulled out from an outer mount section. When the articles placed on the outer placing section are transferred to the main body placing section, the holding conveying body is moved to the holding release position and the conveying end portions thereof are pushed in. To the position, the article placed on the outer placement section is inserted between the transport end portions, and the holding carrier is operated to move to the holding position, the article is held by the holding carrier. It can be conveyed in the transfer conveyance direction toward the main body placement section side. Further, the carrying end of the holding carrier can be switched so as to move to the retracted position, and it can be kept on standby until the next article transfer operation is performed. Further, when the article placed on the main body placing section is transferred to the outer placing section, while the holding carrier is operated to be moved to the holding position, the article is held by the holding carrier and then removed. The article is placed on the outer placement section by carrying it in the transfer conveyance direction toward the side loading section and moving the holding carrier to the holding release position while moving the carrying end to the rush position. Can be placed. Further, the carrying end of the holding carrier can be switched so as to move to the retracted position, and it can be kept on standby until the next article transfer operation is performed. Therefore, without particularly limiting the structure of the article or the outer placement portion,
The article can be held by the pair of holding and conveying bodies, and the article can be transferred between the main body placing section and the outer placing section. In particular, since the article can be held and transferred by the holding and conveying body, compared to the case where the article is placed and transferred on the placing and conveying body such as a conveyor belt, the article is transferred from the outer placing section to the main body placing section. It is possible to smoothly perform the operation of starting the delivery of the article to the outer placement section and the operation of starting the delivery of the article to the outer placement section. That is, according to the present invention, in the article transfer start operation from the outer placing section to the main body placing section, by holding the article placed on the outer placing section by the holding carrier, The carrying force of the sandwiched carrier can be reliably applied to the article, and the article delivery start operation can be smoothly performed. In the article delivery end operation from the main body placing section to the outer placing section, the article delivering operation is performed. By holding the article by the holding carrier until it can be placed on the outer placing section, the carrying force of the holding carrier is reliably applied to the article, and the article delivery end operation is performed smoothly. Can be made. On the other hand, when the article is placed on the placement carrier and transferred, a frictional force required to move the article together with the placement carrier is generated between the article and the placement carrier. As described above, the weight of the article must be supported by the placement carrier, and in the above-described article delivery start operation and article delivery end operation, the article is properly received between the outer placement section and the placement carrier. This is because there is a risk that they cannot be delivered. In addition, claim 1
The article transfer device described is provided in the main body mounting part in a state in which a pair of gripping carriers can be freely moved between a gripping position and a gripping releasing position, and a carrier end of the gripping carrier projects in the transfer and transport direction. It is possible to move the transport end portion between the rush position and the retracted position by sliding the main body mounting portion in the transfer transport direction with respect to the base frame. Therefore, it is possible to hold the relative position between the sandwiching carrier and the main body mounting part constant while moving the transporting end portion of the sandwiching carrier to the rush position and the retracted position, for example, the sandwiching carrier and the main body. Compared to the case where the relative position with respect to the placing part is changed and the conveying end part is moved between the rush position and the retracted position, the article is smoothly transferred between the holding carrier and the main body placing part. You can
The article transfer device according to claim 2 executes a movement operation in the transfer conveyance direction of the pair of holding conveyance bodies when the pair of holding conveyance bodies conveys the article in the transfer conveyance direction. Therefore, the article can be conveyed in the transfer conveyance direction at a speed obtained by adding the movement speed of the holding conveyance body to the conveyance speed of the holding conveyance body, and the article can be quickly conveyed between the main body placing section and the outer placing section. Can be reprinted. Since the article transfer device according to claim 3 is provided with the detection means for detecting the holding force of the article by the pair of holding and conveying bodies, even a plurality of types of articles having different widths in the holding direction by the holding and conveying body are provided. By stopping the movement operation of the holding carrier from the holding release position to the holding position on the basis of the information detected by the detecting means, it is possible to appropriately hold and carry the articles so as not to damage them.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a container C, which is an example of an article, that can be stored in any one of a plurality of storage units provided in a storage rack and that is stored in a predetermined storage rack. There is shown an article storage device provided with an article transfer device 7 according to the present invention that can be taken out. It should be noted that, for example, a plurality of types of small parts are loaded in the container C in a separated state.

In this article storage device, a plurality of storage sections 1 for storing articles are arranged in parallel in the vertical and horizontal directions.
A pair of storage shelves 2A, 2B provided with are provided at a predetermined distance in the front and back, and a horizontally-long elevating table 5 is provided at the front-rear intermediate portion of each storage shelves 2A, 2B. The lifting table 5 is provided with a movable body 6 that can be moved up and down over almost the entire vertical height, and the lifting table 5 is provided with a moving body 6 that moves laterally over substantially the entire lateral direction of the lifting table 5.
A container C between each storage unit 1 of A and 2B
An article transfer device 7 for transferring the items is provided.

[0007] The container C is carried in from the lateral outer side of the storage shelves 2A and 2B, and the container C is transferred to the lateral outer side of the storage shelves 2A and 2B. An article carry-in / carry-out unit 4 capable of carrying out is provided. Each of the storage units 1 or the article carry-in / out section 4 is provided as an outer placement section on the outer side of the article transfer apparatus 7, and each of the lifting platform 5, the moving body 6, and the article transfer apparatus 7 carries out the article carry-out. Entrance 3 and
An article transporting device that transports and transfers the container C is configured between each of the storage shelves 2A and 2B and each of the storage sections 1.

Each of the storage shelves 2A and 2B is provided with a total of six columns 8 on both front and rear sides at both lateral ends and a lateral intermediate portion, and three columns located on the front side. A plurality of horizontal frames 9 are erected and connected at a predetermined interval in the up-and-down direction over 8 and each of the three columns 8 located on the rear side. A large number of locking members 10 for mounting and storing the container C in a slidably movable state are erected and connected along the front-rear direction across the front-rear horizontal frames 9 located at the same level, A storage unit 1 for a plurality of containers C is configured in a state of being arranged in parallel in the vertical direction and the horizontal direction.

The elevating table 5 is provided such that its length in the longitudinal direction is longer than the lateral width of the storage shelves 2A, 2B by a predetermined distance, and is laterally outward of one side of the lateral sides of the storage shelves 2A, 2B. The article carrying-in / carrying-out portion 4 is arranged at a position outside the lateral outward projecting portion 5A projecting laterally outward from the lateral side surfaces of the storage shelves 2A and 2B in the elevating table 5, which is arranged so as to project toward the side.
Is provided.

In the article loading / unloading section 4, the container C transported from the storage section 1 is transferred by the article transfer device 7, and the container C transferred and transported from the lateral side by the operator is transferred. Transfer mounting section 4 transferred to the device 7
a and 4a are provided on the front and rear sides on the outer side of one of the storage shelves 2A and 2B, and the operator carries in and out the container C on the outer side of each of the transfer mounting portions 4a and 4a. A work placing portion 4b for performing the operation is provided. The transfer mounting portions 4a, 4a are
A plurality of rollers Ro in a freely rotating state are provided, and the work placement portion 4b is provided with a plurality of spherical bodies Ri in a freely rotating state.

Next, the lifting operation structure of the lifting table 5 will be described. As shown in FIGS. 2 and 3, the four guide drums 11 located at the upper portions of both lateral portions of the lifting platform 5
Both ends are supported in a suspended state by a and 11b 4
One end side of each of the connecting wires 12a and 12b of the book is connected to both front and rear side portions of both end portions in the lateral direction (longitudinal direction) of the elevating table 5. The other end of each of the connecting wires 12a and 12b is connected to a balance weight 13 which can be raised and lowered along a lifting / lowering passage for weight formed on one side of the lifting / lowering passage of the lifting / lowering table 5, and By driving each guide drum 11b in the forward and reverse directions by the electric motor M1,
The connecting wires 12a and 12b are moved forward and backward in the longitudinal direction, and the lifting table 5 is moved up and down.

The guide drums 11a and 11b are provided such that the lateral arrangement interval between them is substantially the same as the width of the storage shelves 2A and 2B in the horizontal direction.
The side projecting laterally outward from the lateral side surfaces of A and 2B is connected with a connecting wire 12 via a relay connecting tool 14 that bypasses a transfer operation space for the article transfer device 7 with respect to the article carrying-in / out section 4.
It is connected to a. In this way, the article transfer device 7
The transfer operation of the container C can be performed even in a state where the container C is located on the laterally outward protruding portion 5A of the lift table 5. Each of the guide drums 11a and 11b is supported on the upper part of the respective column 8 which is a strength member in the storage shelves 2A and 2B.

A pair of front and rear guide rails 15 are provided for guiding the balance weight 13 so as to be able to move up and down. Each guide rail 15 is formed in a U-shaped cross section, and is attached to the column 8 of the front and rear storage shelves 2A, 2B. It is supported. Although not shown, the guided portion on the balance weight side is prevented from moving in the lateral direction by a rolling roller that rotates around a front-rear axis that rolls while slidingly contacting the inner surface of the guide rail 15, and thus the lateral axis does not move. It is configured so that it can be smoothly moved up and down in a state in which movement in the front-rear direction is blocked by rolling rollers that rotate around it.

A plurality of brackets 16 are attached to each of the columns 8.
It is configured to guide the guided portion 18 provided on the lifting table 5 so as to be able to move up and down by a lifting guide 17 formed of a rectangular rod attached via There is.

As shown in FIG. 3, the guided portion 18 on the lifting table 5 side has a support bracket 1 fixed to the lifting table 5.
In Fig. 9, a pair of rolling rollers 20 rotatably supported around the front-rear axis is configured to sandwich the laterally opposite side surfaces of the elevating guide 17 at two upper and lower positions to prevent relative movement in the lateral direction. A pair of rolling rollers 21 rotatably supported on the support bracket 19 about a horizontal axis pinch both side surfaces of the elevating guide 17 in the front-rear direction so as to prevent relative movement in the front-rear direction. It is configured such that smooth vertical movement can be performed while preventing horizontal movement.

Although not shown in the drawings, the support bracket 19 has a lifting guide 17 as the lifting table 5 moves up and down.
And a rotary encoder for detecting the amount of vertical movement based on the amount of rotation of the rotating roller that slides in contact with.
In addition, on the opposite side of the support bracket 19 installation portion, the storage shelf 2
A transmission type photoelectric switch 61 for discriminating an elevating stop position of the elevating table 5 by being shielded from light by a light shielding plate 60 provided at an appropriate position of B is provided.

Next, a lateral movement operation structure of the moving body 6 will be described. As shown in FIGS. 5 and 6, the moving body 6 includes left and right side frame bodies 22a and 22b provided in a state of covering both front and rear sides of the lifting platform 5, and left and right in a state of covering the upper side of the lifting platform 5. Is provided with a base frame body 22c for connecting the side frame bodies 22a and 22b of the mobile body frame 22 as a base frame.
One of the two 2b has a pair of upper and lower nipping rollers 23 for nipping the ridges 5a formed on the side portions of the elevating table 5 so as to laterally project from two sides in the lateral direction.
23 is rotatably supported around a horizontal axis. The sandwiching rollers 23, 23 are configured to guide the moving body 6 laterally while preventing the moving body 6 from floating upward. In addition, each of the side frame bodies 22a and 22b has a pair of rolling rollers that roll while slidingly contacting each other at two positions in the front-rear direction along the moving direction while sandwiching from both sides in the front-rear direction of the elevating table 5. 24 is rotatably supported around the axis of the vertical axis so that it can be smoothly guided.

Then, as shown in FIG. 3, both ends of the drive belt 26 wound around the pulleys 25, 25 rotatably supported on the both ends of the lift 5 around the front-rear axis are movable bodies. One pulley 25 connected to the frame 22
Is rotationally driven by the electric motor M2, the drive belt 26 is moved in the longitudinal direction, and the movable body 6 is laterally moved accordingly. still,
One side frame body 22a is provided with a transmission type photoelectric switch 28 for discriminating a lateral movement stop position of the moving body 6 by being shielded from light by a light shielding plate 27 provided at an appropriate position of the lifting table 5. It is equipped.

Next, the article transfer device 7 will be described. As shown in FIG. 4 to FIG. 6, a main body mounting portion 30 having mounting plates 30a for mounting and supporting the container C on both sides in the lateral direction, and a pair of carrying the container C in the transfer carrying direction while sandwiching it. A belt-type holding and conveying body 31 and a slide table 32 are provided on the slide table 32, and are configured to support the container C transferred between the storage section 1 and the article loading / unloading section 4 on the main body mounting section 30. There is.

The main body mounting portion 30 is constructed such that each mounting plate 30a is slidably movable with respect to the slide base 32 in the left-right direction of the elevating table 5, and each mounting plate 30a is transferred in the transfer direction. Idling rollers 30b that come into contact with the lower surface of the container C and rotate as the container C moves are provided at both ends. Then, each of the pair of holding and conveying bodies 31 is attached to each mounting plate 30a in a state in which the transport end portion 31a thereof is projected in the transfer and transport direction, and the mounting table 30a is lifted in the left-right direction with respect to the slide base 32. When the container C is slid, the holding position for holding the container C and the holding release position for releasing the holding are provided so as to be movable in a direction orthogonal to the transfer and transport direction.

The slide base 32 is a base frame body 2
It is provided so as to be slidable in the front-rear direction of the elevating table 5 with respect to the moving body frame 22 by the drive motor M3 attached to the moving body frame 22. For each storage 1
It is provided so that it can be slid and moved in the transfer / transport direction with respect to the article transfer section 4.

That is, the guide rollers 34 that roll along the guide grooves of the guide rails 33 provided on both the left and right sides of the base frame body 22c are provided on the lower surface of the slide base 32, and both end portions are provided at the front and rear positions of the slide base 32. The timing belt 35 connected to each other is wound around the driven belt wheel 36 supported by the base frame body 22c and the drive belt wheel 37 that is driven in the reverse direction by the drive motor M3, and the drive motor M3 drives the The slide base 32 is provided so as to be slidable in the front-rear direction of the lift base 5 with respect to the movable body frame 22.

The pair of holding and conveying bodies 31 are movable body frames 2 of a slide base 32 to which the respective mounting plates 30a are fixed.
By the slide movement operation with respect to 2, the transfer end portion 31a is transferred to the rushing position where the storage end portion 1 and the article loading / unloading portion 4 have entered, and the retracted position where the transport end portion 31a has slipped out from the storage portion 1 and the article loading / unloading portion 4. It is provided so that it can be changed over in order to move it in the transport direction.

Next, the mounting structure of the main body mounting portion 30 and the sandwiched carrier 31 to the slide base 32 will be described. Guide rails 49 are provided at both ends of the slide base 32 in the sliding direction.
A slide member 50 which is fitted to the guide rail 45 and slides is provided on the mounting plate 30a, and the mounting plate 30a is supported with respect to the slide base 32 so as to be slidably movable in the left-right direction of the elevator. There is.

As shown in FIGS. 7 and 8, a slide table 32 is provided.
Are two ball screw shafts 3 which have a reverse screw relationship with each other.
8 is integrally connected by a coupling 39 and supported by a bearing 40, and two ball spline shafts 41 are integrally connected by a coupling 42 and supported by a bearing 43, and an electric motor M4 for driving and rotating a ball screw shaft 38 is provided. And an electric motor M5 for driving and rotating the ball spline shaft 41 via the bevel gear 44 are fixed to the lateral side portion of the slide base 32.

A slide holder 45 is mounted on each of the ball screw shafts 38 and reciprocally slides in the axial direction in a rotation-stop state in accordance with the forward and reverse rotations of the ball screw shaft 38. Is provided with an outer cylinder holder 46 that is fitted onto the ball spline shaft 41 and rotates integrally with the ball spline shaft 41 so as to be slidable in the axial direction.
The slide holder 45 has a large-diameter portion 45a and a cylindrical small-diameter portion 45b, each of which is formed in a cylindrical shape of a different diameter and has an oval cross section, and the outer cylinder holder 46 has a circumferential groove 46a.

The fork member 47 integrally fixed to the mounting plate 30a is attached to the small diameter portion 45b of the slide holder 45.
The locking member 48, which is externally fitted to the mounting plate 30a and is integrally fixed to the mounting plate 30a, is locked from the upper side with respect to the circumferential groove 46a of the outer cylinder holder 46, and the large diameter portion 45 of the slide holder 45 is locked.
The slide holder 45 is stopped at the base of the fork member 47 brought into contact with the peripheral surface of different diameter of a, and each mounting plate 30a is held together with the sandwiched carrier 31 by the forward and reverse driving rotation of the ball screw shaft 38. It is provided so that it can be slid and moved in a direction in which it is close to each other and a direction in which it is separated.

As shown in FIGS. 9 and 10, two left and right shaft members 51 are fixed to the end surface of the large diameter portion of the slide holder 45, and the two shaft members 51 are inserted into the fork member 47. A nut 52 for preventing slipping off is screwed to a protruding portion of the shaft member 51 from the fork member 47, and a coil spring 53 is externally fitted to the shaft member 51 between the slide holder 45 and the fork member 47, and the fork member 47. Are supported by the slide holder 45 so as to be slidable in the axial direction within a certain range.

The photoelectric switch A1 fixed to the slide holder 45 side and the light shielding plate B1 fixed to the fork member 47 side constitute a detecting means for detecting the holding force of the container C by the pair of holding conveyance bodies 31. ing. That is, as the container C is held by the holding carrier 31, the fork member 47 slides toward the large diameter portion 45a of the slide holder 45 against the biasing force of the coil spring 53, and the holding carrier 31 moves. When the holding carrier 31 moves until the holding force necessary for holding and carrying the container C is obtained, the light shielding plate B1 shields the photoelectric switch A1 and inputs the detection information to the controller D provided in the article loading / unloading section 4. It is configured to do.

The pair of sandwiching / conveying members 31 drive and rotate an endless conveying belt 56 wound around a driving belt wheel 54 and a driven belt wheel 55 about a vertical axis so as to move between the conveying belts 56. The container C is held between the two and transported in the transfer and transport direction.

That is, the drive belt wheel 54 and the outer cylinder holder 46 are interlocked with each other via the bevel gear 57, and the drive rotation direction of the drive motor M5 is switched between the forward and reverse directions, so that the transfer / conveyance direction of the drive motor M5 is changed. It is provided such that the direction of transfer from the storage unit 1 to the article loading / unloading unit 4 and the direction of transfer from the storage unit 1 or the article loading / unloading unit 4 to the main body mounting unit 30 can be freely switched. .

As shown in FIG. 11, a pair of sandwiched carriers 3
1, the light from the light emitting portion E1 is shielded by the container C on the main body mounting portion 30 and three photoelectric switches A2 for detecting the presence or absence thereof, and the light from the light emitting portion E2 are sandwiched and carried 31
Two photoelectric switches A3 are provided that are shielded from light by the container C protruding outward from the outside and detect the protrusion thereof, and the timing at which the holding carrier 31 is switched between the holding position and the holding release position.

The slide base 32 is shielded from light by a light shielding plate (not shown) provided on the side of the mounting plate 30a as the mounting plate 30a slides in the horizontal direction of the elevating base with respect to the slide base 32. Two photoelectric switches A4 and A5 are provided, and one photoelectric switch A4 is provided to detect that the holding carrier 31 has moved to the holding release position.
The other photoelectric switch A5 is provided so as to detect the emergency stop position in the holding direction of the holding carrier 31.

The base frame 22c is shielded from light by a light shielding plate (not shown) provided on the side of the slide base 32 as the slide base 32 slides in the front-rear direction of the lift base with respect to the movable body frame 22. 4 photoelectric switches A
6 and A7 are provided, and two of them are photoelectric switches A
6 is provided so as to detect that the transport end portion 31a of the sandwiched transport body 31 has moved to the rush position, and the remaining two photoelectric switches A7 are such that the slide base 32 has the movable body frame 2
It is provided to detect the movement to the center of 2.

The controller D is operated by an operation command.
Each rotary encoder and each photoelectric switch 28, 6
The controller D is configured to drive and control the elevating electric motor M1, the lateral moving electric motor M2, and the article transfer electric motors M3 to M5 based on the detection information such as 1, A1 to A7. Includes an operation section D1 for instructing operation contents and setting storage section designation by human operation, and each storage section 1
Is provided with a display section D2 and the like for displaying the names of the respective parts and the number of the parts stored in the respective containers C corresponding to.

Then, the storage section 1 in which the container C is designated
In order to load the container C into the loading / unloading section 4, the operation section D1 issues an instruction to place the container C on the transfer loading section 4a at a predetermined position via the work loading section 4b in the article loading / unloading section 4. After that, the lifting / lowering electric motor M1, the lateral movement electric motor M2,
The electric motors M3 to M5 for transferring articles are activated.
As a result, the article transfer device 7 moves to a location corresponding to the transfer placement section 4a to transfer the container C, and then moves to the designated storage section 1 to transfer the container C to the storage section 1. C
Is transferred and the operation is completed. When the stored container C is unloaded, the container C is unloaded to the transfer placement section 4a by the operation reverse to the above operation.

Next, the transfer operation of the article transfer device 7 will be described in detail. Each storage unit 1 in each storage rack 2A, 2B
Also, the transfer operation between the article loading / unloading section 4 and the article loading / unloading section 4 is similarly performed. First, in the standby state, as shown in FIG. 4, the slide base 32 is stopped at the center of the moving body frame 22, and the holding carrier 31 is stopped at the holding release position.

The container C is transferred from the storage section 1 to the main body mounting section 30.
When transferring, the mounting surface of the storage part 1 and the main body mounting part 30
With the and positions at approximately the same height, the electric motor M
The slide base 32 is slid toward the storage portion 1 side by the drive of 3. As shown in FIG. 12A, when the photoelectric switch A6 detects that the transport end 31a of the sandwiched transport body 31 has been moved to the rushing position while being shielded from light by the container C placed in the storage unit 1, The slide movement of the slide base 32 toward the storage section 1 side is stopped, and the electric motor M5 drives and rotates the conveyance belt 56 of the sandwiched conveyance body 31 in the transfer conveyance direction toward the main body placing section 30 side.

Next, the holding / conveying body 31 is moved in the holding direction by driving the electric motor M4, and the holding / conveying body 31 is moved until the holding force required for holding / conveying the container C is obtained. When the position is detected, it is determined that the position is the holding position, the movement of the holding carrier 31 in the holding direction is stopped, and the slide base 32 is driven by the electric motor M3 as shown in FIG. The moving body frame 22 is slid toward the center. As a result, when the container C placed in the storage unit 1 is being conveyed by the holding conveyance body 31 in the transfer conveyance direction toward the center of the moving body frame 22, at the same time, the slide base 32 slides and moves. By this, the operation of moving the holding carrier 31 in the transfer carrying direction is executed, and the container C is moved to the moving object frame 22.
Can be quickly transported to the center of.

Next, when none of the two photoelectric switches A3 detects the protrusion of the container C, when none of the three photoelectric switches A2 detects the presence of the container C, the conveyance belt 56 When the photoelectric switch A7 detects that the drive base is stopped and the slide base 32 is moved to the center of the moving body frame 22, the slide base 32 is stopped from sliding as shown in FIG. The container C is held by the holding carrier 31 and transferred to a substantially central position of the moving body frame 22.

Further, as shown in FIG. 12C, when the container C placed on the main body placing section 30 while being held by the holding carrier 31 is transferred to the storing section 1, it is stored. Part 1
In a state where the mounting surface of the main body mounting portion 30 and the mounting surface of the main body mounting portion 30 are positioned at substantially the same height position, the electric motor M5 transfers the carrier belt 56 of the sandwiched carrier 31 toward the storage part 1 side. The photoelectric switch A6 indicates that the slide base 32 is slid toward the storage unit 1 side by driving the electric motor M3 while being driven and rotated in the transport direction to move the transport end 31a of the sandwiched transport body 31 to the rush position. Is detected, FIG.
As shown in (b), the slide movement of the slide base 32 toward the storage section 1 side is stopped. As a result, the main body mounting portion 3
When the container C placed at 0 is being conveyed by the sandwiching carrier 31 in the transferring and conveying direction toward the storage unit 1, the sliding movement of the slide table 32 causes the container C to be transferred in the transferring and conveying direction. Then, the container C can be quickly transported to the storage unit 1.

Next, when neither of the photoelectric switches A2 and A3 provided on the sandwiched carrier 31 detects the presence of the container C, the driving rotation of the carrier belt 56 is stopped, and the operation of FIG.
As shown in FIG. 2 (a), the holding motor 31 is moved toward the holding release position by driving the electric motor M4, and the slide base 32 is moved toward the center of the moving body frame 22 by driving the electric motor M3. To move.

Then, when the photoelectric switch A4 detects that the holding carrier 31 has moved to the holding release position, it stops at that position, and the photoelectric switch A7 detects that the slide base 32 has moved to the center of the moving body frame 22. Then, the slide base 32 is stopped at that position and made to stand by as shown in FIG.

[Other Embodiments] 1. In the above-described embodiment, the article transfer device that is movable in each of the storage sections and the article loading / unloading section is shown, but it may be an article transfer apparatus that is used by being fixed at a fixed position. 2. In the above-described embodiment, the article transfer device provided with the belt-type holding and conveying body has been described, but an article transfer device having a holding and conveying body that conveys the article while sandwiching it between the drive rollers may be used. 3. In the above-described embodiment, the article is configured to be conveyed in series by the sandwiching carrier between the main body placing section and the outer placing section, but the article on the outer placing section is pulled in by the sandwiching carrier. After that, the article is conveyed to the main body placing section by a placing / conveying apparatus such as a chain conveyor, or the article of the main body placing section is conveyed to the outer placing section by the placing / conveying apparatus, and then the article. May be configured to be delivered to the outer placement portion by a holding carrier. 4. In the above-described embodiment, the article is configured to be held by the holding and conveying body from the left and right directions, but may be configured to be held by the holding and conveying body from the vertical direction .

[Brief description of drawings]

FIG. 1 is a perspective view of an article storage device.

FIG. 2 is a perspective view showing a lifting operation structure.

[Fig. 3] Plan view of the lifting platform

FIG. 4 is a plan view of the article transfer device.

FIG. 5 is a front view of the article transfer device.

FIG. 6 is a side view of the article transfer device.

FIG. 7 is a partial cross-sectional side view of the main part.

FIG. 8 is a partial cross-sectional side view of a main part.

FIG. 9 is a perspective view of a main part.

FIG. 10 is a side view of the main part.

FIG. 11 is a schematic plan view of the article transfer device.

FIG. 12 is an explanatory diagram of a transfer operation.

[Explanation of symbols] 1,4 Outer mount 22 base frames 30 Body mounting section 31 Holding carrier 31a Transport end A1, B1 detection means C goods

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Claims (3)

(57) [Claims] 1. An article transfer device comprising a main body mounting section for mounting and supporting an article to be transferred between an outer mounting section on the outer side, wherein the article is transferred while gripping the article. A pair of gripping transfer bodies that transfer in the transfer direction enable switching operation of the transfer transfer direction between forward and reverse,
In addition, the pair of gripping carriers are provided so as to be movable in a direction orthogonal to the transfer and transport direction between the gripping position and the gripping release position, and the carrier ends of the pair of gripping carriers are inward of the outer mounting portion. It is provided so as to be switchable to move in the transfer / conveyance direction between the plunging position that has entered and the retracted position that has come out of the mounting part outside thereof, and the main body mounting part in the transfer / conveying direction with respect to the base frame. slide
The pair of gripping carriers, which are movably provided, can be moved to and from the gripping position.
It can be moved to any position and its transport end can be transferred.
Provided on the main body mounting portion in a state of protruding in the feeding direction,
The transport end can be moved by the slide movement operation of the main body mounting part.
Configured to move into a plunge position and the retracted position
Article transfer device it is. 2. An article is transferred and carried by the pair of holding and carrying bodies.
When carrying in the feeding direction,
Configured to perform a move operation in the transfer transport direction
Article transfer apparatus according to claim 1, wherein there. 3. Holding an article by the pair of holding carriers.
3. A detection means for detecting force is provided.
The article transfer device described.