JPH06336203A - Replacing device of container grip holder - Google Patents

Abstract

PURPOSE:To automatically replace the grip head of a case packer or uncaser transferring a number of containers by holding the container s with the grip head and boxing them or taking out them from the containers. CONSTITUTION:Containers are transferred by a bottle conveyor 3 and fed to a lining-up conveyor 4. A transfer frame 12 fitted to a fixed frame 6 to be both vertically and horizontally movable detachably supports a grip head unit 13 to hold the containers and stops on the lining-up conveyor 10 for cases to box them. When replacing the grip head unit 13, the transfer frame 12 is shifted to A or B of the grip head unit container base 2, where the replaced unit is contained in a vacant rail shelf of the transfer shelf unit 16 and another replacing unit is delivered to the transfer frame 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container grip for automatically exchanging grip heads in a case packer or an anchor in which a plurality of containers are gripped and moved by a grip head for gripping the containers and then packed or taken out from the boxes. The present invention relates to a head changing device.

[0002]

2. Description of the Related Art In a container filling line, it is necessary to change the size and type of the container, and such a size and type can be changed even in a container packing device or a container unloading device. Various means have been devised to easily replace the grip head of the container corresponding to
For example, a grip head as shown in FIGS. 9 to 12 has been proposed. In FIG. 9, reference numeral 20 denotes a grip head, and angles 21 functioning as guide portions are fixed to both side surfaces of the grip head, and the grip head 20 is vertically moved and horizontally moved by means not shown. Reference numeral 22 denotes a mounting member, which has a frame shape as a whole as shown in FIGS. 10 and 11, and a fixture 23 having a curved portion 24 is slidable in front of and behind the two transverse beam members 22a and 22b. Long slots 25 are formed in the front and back for mounting. A gap 26 for locking the angle 21 of the grip head 20 is formed in the rear vertical girder 22c, and a hole 27 for mounting a grip block 29 described later is provided in the front vertical girder 22d. 28
Is a handle, which is rotatably attached to the front stringer 22d,
By operating this, the fixture 23 is moved back and forth in the elongated hole 25.

The grip block 29 is shown in FIG.
A plurality of holes 30 for attaching grips for holding bottles are formed in the bottom portion thereof, and a mounting bracket 32 having a hole 31 for engaging with the hole 27 of the mounting member 22 shown in FIG.
The angle 33 is fixed by welding or the like. Figure 1
As shown in FIG. 0, the angles 21 fixed on both sides of the grip head 20 are attached to the gap 26 of the attachment member 22 and the fixture 23.
After being fitted into the curved portion 24 of the shaft, the handle 28 is rotated in the forward direction to move the fixture 23 backward in the elongated hole 25.
The grip head 20 and the mounting member 22 are completely fixed by pressing them to the side. (FIG. 9 shows this fixed state.) Next, the grip block 29 is fixed to the mounting member 22 by utilizing the hole 31 of the mounting member 32 and the hole 27 of the mounting member 22.

Next, when the distance A between the grip blocks 29 is changed, the handle 28 is rotated in the reverse direction, and the fixture 2
The tightening force that was working on 3 was released, and the mounting member 22
Since it can freely slide in the grip head 20 along the length direction, after the mounting member 22 is slid to a predetermined position, the handle 28 may be normally rotated to press the fixture 23.

In this way, the gap between the grip blocks 29 can be freely set by a simple operation. Therefore, by changing the gap according to the size of the case, different types of cases can be accommodated. You can select any number of mountings.

[0006]

When exchanging the grip head of the conventional packing machine, operations such as operation of the handle 28 and attachment / detachment of the grip block 29 are all manually performed. A large number (sometimes 4 heads or more) and a heavy one (30 kg to 60 kg) work on a machine with poor footing, which requires a lot of manpower and work time. Also, if there are many types of containers or if the container arrangement pattern in the case is different, several types of grip heads are held, so a large storage space is required to store them and the replacement work is automated. There has been a demand for a storage and storage shelf that occupies a small area. Further, in the case of replacing the container guide frame used when putting the container in the container, in addition to the above, a considerably wide space for manpower, time and storage is required.

The present invention is intended to rationalize the work by automating the work requiring a lot of manpower and automating the work of exchanging the container grip, and taking out and storing the replacement container. Is.

[0008]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a grip head unit holding a grip unit for holding a container, and a moving unit for supporting the unit and moving on a container alignment conveyor. Equipped with a frame and a storage base that stores the grip head unit with various replacement grip heads, and also the storage unit after replacement, the moving frame holds the necessary grip head unit and takes out the container. The boxes are packed, and when the grips are replaced, the grip head unit is handed over to the grip head storage base, the necessary units are received from the storage base, and held inside again to perform the work. The grip head unit storage base is composed of a plurality of rail shelves to draw and store the grip head unit at a predetermined position and move the shelf that stores the replacement unit to move it to a predetermined position and deliver it to the moving part frame. Is.

That is, according to the first aspect of the present invention, a grip head unit for holding a container on a container conveyor by holding a grip head having a plurality of wheels and having a plurality of container gripping grips arranged in the lower portion, It is equipped on a fixed frame that can move up and down and horizontally on the container conveyor, and is equipped with a pair of rails that guide the wheels of the grip head unit by the rails and detachably support the grip head unit inside. A moving part frame for carrying the container held by the grip head unit and carrying the grip head unit to a predetermined position when the grip head is replaced, and a plurality of rail shelves capable of horizontal movement and predetermined by the moving part frame. Guide the wheels of the grip head unit that have been transported to the position to the empty rail shelf. Grip for handing over the wheel of the grip head unit to the rails of the moving part frame by moving another rail shelf in which the grip head unit for replacement is stored to a predetermined position A container grip head replacement device, comprising: a head unit storage base.

Further, in the invention of claim 2, in the invention of claim 1, the means for transferring the structure of the grip head unit to the moving frame is specified. That is, the grip head unit has a wheel for mounting on the pair of rails of the moving part frame.
A U-shaped frame, a plurality of wheels mounted on the side opposite to the wheels of the U-shaped frame for transferring to a rail shelf of a grip head unit storage stand, and a plurality of grip heads laid on both lower side surfaces of the U-shaped frame. And a grip head position conversion mechanism that slides the grip head on the rail by a link mechanism to change the spacing, and is fixed to both lower surfaces of both ends of the U-shaped frame for guiding to the rail shelf. It is characterized in that it is composed of a drawer rod.

According to a third aspect of the present invention, in the above-mentioned first aspect of the invention, the grip head unit storage base is a fixed frame, a rail shelf unit movable in the fixed frame, and an inlet guide on the fixed frame side. And a drive mechanism, an actuator for moving the grip head unit, a hook mechanism, a locking mechanism, and a control device for controlling these. That is, the grip head unit storage base is a fixed frame adjacent to the container conveyor, and a rail shelf unit including a plurality of rail shelves capable of traveling on rails provided on the fixed frame and accommodating the grip head unit. An entrance guide portion provided on the fixed frame, the rail guide unit having a rail connected to the moving rail shelf unit, and a drive device for moving the rail shelf unit in the moving direction of the moving shelf unit via a screw; An actuator for moving the grip head unit in and out, a hook mechanism for connecting the grip head unit attached to an operating member of the actuator, a locking mechanism for locking and disengaging the grip head unit from the rail shelf, and a grip head unit Position detection to confirm position and horizontal rail shelf position And capacitors, the driving device, the actuator, is characterized in being constituted by a control device for controlling the hook mechanism and locking mechanism.

Further, in the invention of claim 4, the grip head housing of the invention of claim 3 is configured so that the container guide frame used when the container is boxed is integrated with the grip head unit. It is a thing. That is, the grip head unit storage base has a container guide frame for assisting when the container gripped by the grip head is put into the container case while the container is being packed in the grip head unit.
A container grip head replacement device, characterized in that the container grip head replacement device is equipped with a control device that suspends the container guide frame so that it becomes a body and operates the hook so as to store them together. is there.

[0013]

According to the first aspect of the present invention, when the container is gripped and packed, the grip head unit grips the container on the container alignment conveyor and the moving frame unit horizontally moves on the container alignment conveyor for packing the container. Stop on the conveyor of No. 1 and descend to release the container from the grip, perform boxing, and repeat this operation. When replacing the grip head, the moving part frame moves to a predetermined position and stops. At this position, the grip head unit storage base guides the wheels of the grip head unit to the empty rail shelf of the moving shelf unit and stores the same unit, and at the same time, another rail shelf where the replacement grip head unit is housed Move horizontally to the position and stop. At this position, when the wheels of the same unit are handed over into the moving part frame, the moving part frame receives it, fixes it, and performs the above-mentioned operation again.

Further, in the invention of claim 2, the grip head unit is supported via a pair of rails on a pair of rails of a moving frame unit that vertically moves and horizontally moves the container box packing machine or the container unloading machine. Therefore, by adjusting the height of the moving frame and pulling it out, the moving frame can be easily transferred to a storage shelf or a carrier. Further, since the wheel running on the pair of rails of the moving frame attached to the grip head unit is provided, the moving frame and the grip head unit can be easily attached and detached.

When the container is packed in a container, the grip head moves when compared to the grip head when the grip head grips the container and the gap between the grip heads when the container is put in the container case becomes narrower. The interval of is changed while moving the container. Further, since rails are laid on both lower sides of the U-shaped frame and the grip head can slide on the rails, the gap between the grip heads can be changed through the link, so that the grip head unit can be easily attached and detached. The grip spacing can be easily changed according to the size of the box.

Further, in the invention of claim 3, when the grip head unit is replaced, the position of the wheel outside the end of the grip head unit mounted on the rail of this frame is moved by moving the moving part frame. Stop at the entrance guide rail fixed to the fixed frame, then turn the screw to move the moving rack unit, and move the screw at a position where the rail of the empty rail shelf matches the rail of the entrance guide. Stop the rotation of the moving shelf unit, free the grip head unit by the positioning stopper mechanism of the grip head unit, hook the pneumatically operated hook on the pullout bar of the grip head unit, and then use the actuator to move the grip head unit. Pull it into an empty rail shelf and lock the grip head unit on the rail shelf with the locking mechanism. . Then, the movable shelf unit is moved again and stopped at the rail shelf position where the selected grip head unit is stored, the selected grip head unit is unlocked, and the actuator is pushed into the movable frame to position it. The container grip head replacement work is completed when the grip head unit is fixed to the moving frame unit by operating the stopper mechanism.

Further, in the invention of claim 4, the grip head unit storage base is configured so that the container guide frame is stored together with the grip head unit. That is, the hooks attached to both ends of the container guide frame are hooked on the pull-out rods fixed to the lower surfaces of both ends of the U-shaped frame of the grip head unit and suspended, and then stored in the movable rack unit together with the grip head unit. To do. The storing operation is similar to that of the grip head unit alone.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on the embodiments shown in FIGS. 1 and 2 show a plan view and a side view of the whole, and FIGS. 3 to 8 show structural details of a part by a perspective view and a side view. First, the structure and operation of the case packer will be outlined. In FIGS. 1 and 2, a bottle (container) is sent in the direction of arrow X by a bottle conveyor 3 and a bottle packing conveyor 4 of a case packer (boxing machine).
Can be posted on. The container is not limited to a bottle, but a bottle having a shape similar to that of a bottle and the like are also targeted, but the bottle will be described below. On the leveling conveyor 4, the bottle is indicated by arrow Y.
, And reaches the end of the rectifying conveyor 4 to be aligned. When it is confirmed that the bottles are aligned, the bottling conveyor 4 is stopped for one day, the pressing pressure of the bottles is released, and then the grip head unit 13 descends and the grips grip the bottles.
The grip head unit 13 rises as shown in FIG. On the other hand, the case conveyor 5 sends an empty case in the direction of the arrow Z, and the case aligning conveyor 10 stops the case by arranging the cases at regular intervals. Grip head unit 13 where the grip grabs the bottle from the leveling conveyor and goes up
Moves laterally to the bottom of FIG. 1 above the case alignment conveyor 10 and then descends into the case with the assistance of a tip unit 65 (shown in FIG. 5) where the grip releases the bottle and the grip The head unit 13 moves up and prepares for the next box packing process.

As will be described later with reference to the perspective view of FIG. 4, in the grip head 50, the bottle grips for holding the bottles are arranged and attached in the same pattern as the bottle storage pattern of the case. Reference numeral 6 is a fixed frame on the side of the case packer for supporting the lifting / horizontal moving means for the grip head unit 13. In FIG. 3, a linear bearing 7a guided by a linear bearing rail 7 mounted on the fixed frame 6 is fixed to the elevator 8, and an arrow R is formed by a screw driven by a servo motor 19 mounted on the fixed frame 6. Move up and down. A guide base 9 is fixed to the elevator 8, a linear bearing rail 11 is horizontally attached to the guide base 9, and a linear bearing 11 is guided by the linear bearing rail 11.
a is fixed to the moving part frame 12. The moving part frame 12 is driven by a servo motor 18 via a screw and horizontally moves forward and backward in the direction of arrow S. 1 and 2
2 is a grip head unit storage stand, 15 is a fixed frame of the grip head unit storage stand 2, 16 is a moving shelf unit, and 17 is a linear bearing rail.

Next, the structure of the grip head unit 13 will be described with reference to FIGS. 3, 4 and 6. The grip head unit 13 has a U-shaped frame 51, which is the main body, and a U-shaped frame 51.
A large number of wheels 52 mounted on both sides of the side plate of the U-shaped frame 51, linear bearing rails 54 laid on both lower side surfaces of the U-shaped frame 51, and sliding on the linear bearing rails 54 via linear bearings 54a. Four sets of grip heads 50, a rotary arm 56 operated by a pneumatic actuator attached to a U-shaped frame 51 (not shown), and links 57 and 58 in which a tip of the rotary arm 56 and a grip head side plate 55 are connected by a pin.
The grip head position changing mechanism for changing the distance between the outer grip heads 50 and the pull-out rods 61 fixed to the lower surfaces of both ends of the U-shaped frame 51.

The grip head unit 13 is mounted on a pair of horizontal rails 44 laid on the cantilevered moving part frame 12 which moves up and down and horizontally through wheels 52 on both side plates of the U-shaped frame 51. Supported. The outer wheels 52 on both side plates of the U-shaped frame 51 are used when transferring to a storage rack rail 81a described later. When the grip head unit 13 is to be mounted and fixed on the moving part frame 12, the positioning pin 59 fixed to the U-shaped frame 51 is brought into contact with the stopper 43 provided on the moving part frame 12, and at the same time, is fixed to the moving part frame 12. The provided pneumatic actuator 41 is operated and the positioning stopper 42 is rotated to rotate the locking block 5 of the moving part frame 12.
Fix it by touching 3. When the pneumatic actuator 41 is reversely operated to move the positioning stubber 42 away from the stopper 43, the grip head unit 13 can travel freely.

The operation of the grip head unit 13 will be described. The unit 13 is a horizontal rail 44 of the cantilevered moving part frame 12 for vertically moving and horizontally moving the case packer 1.
Since the upper part is supported via the wheels 52, the transfer to the grip head unit storage base 2 is performed by the moving part frame 12
This can be easily done by adjusting the height of the and pulling it out. Further, on the horizontal rail 44 of the moving part frame 12, the wheel row different from the wheel 52 facilitates the transfer to the rail of the storage rack. In the case packer 1, when the grip head 50 grips a bottle, the grip head 5 is separated from the gap between the grip heads 50.
Since the gap between the grip heads 50 becomes small when 0 moves and the bottle is put in the case, the grip heads 50 of each other are narrowed.
It is necessary to change the interval of the moving parts while the moving part frame 12 moves. Therefore, linear bearing rails 54 are laid on both lower side surfaces of the U-shaped frame 51, and the grip head 50 slides on the linear bearing rails 54 via the linear bearings 54a, and a rotary arm 56 and a link 57 for operating a pneumatic actuator. , 58, the interval of the outer grip head 50 can be changed. Even if the inner grip head 50 does not change the interval,
The flexibility of the grip itself can cope with the displacement when gripping the bottle or the displacement when inserting the bottle into the bottle.

Next, referring to FIG. 1, FIG. 2, FIG. 7 and FIG.
A description will be given of the grip head unit storage base 2 provided with the pair of the grip head unit 13 retraction ports A and B and the retraction actuator device. As shown in FIG. 7, the grip head unit storage base 2 adjacent to the case packer 1 includes a fixed frame 15 and a storage rack entrance guide 71 with rails 71a and 72a fixed to the fixed frame 15. 72, a linear bearing rail 17 laid horizontally on the fixed frame 15, and a horizontal rail shelf that is supported on the linear bearing rail 17 via a linear bearing 17a and is freely slidable to accommodate the grip head unit 13. Mobile shelving unit 16 equipped with 81 side by side
And a nut 79 fixed to the movable rack unit 16 and the screw 7 engaging with the nut 79.
7, a servo motor 78 for moving the movable shelf unit 16 and a pneumatic actuator 74 for pulling in the grip head unit 13 mounted on the fixed frame 15.
(A rodless air cylinder is used in this embodiment) and a hook mechanism 75 driven by a pneumatic actuator 76 connecting the grip head unit 13 attached to the operating member of the pneumatic actuator 74 (details are shown in FIG. 8).
And a pneumatically operated locking mechanism 83 for stopping and removing the grip head unit 13 from the rail shelf 81, and a position detection sensor (not shown) for confirming the position of the grip head unit 13 and each rail shelf 81 position. To be done.

When the grip head unit 13 is replaced, a control device (not shown) moves the frame 1 of the case packer 1.
2 is guided to the position of the storage rack entrance guides 71 and 72, each servo motor or actuator is started and stopped by the signal of the position detection sensor, and the movable rack unit 16 is moved to move the existing grip head unit 13 to an empty rail. Shelf 81
, The movable shelf unit 16 is moved again, the station storing the selected grip head unit 13 is stopped at the position of the moving frame 12, and the selected grip head unit 13 is pushed into the moving frame 12. Take control.

The operation of the grip head unit storage base 2 will be described with reference to FIGS.

The operation of the bottle grip head changing device is as follows.
By moving the cantilevered moving part frame 12 which moves the case packer 1 vertically and horizontally, the rail 44 of this frame 12 is moved.
The position of the wheel 52 at the end of the grip head unit 13 mounted on the storage rack entrance guide 71, 72 fixed to the fixed frame 15 of the grip head unit storage base 2.
Rails 71a and 72a, and then the servo motor 78 is turned to rotate the screw 77 to move the moving rack unit 16
To move the rails 81a, 82 of empty rail shelves 81, 82
rails 71a, 72 of the storage shelf entrance guides 71, 72
The movable shelf unit 16 is stopped in accordance with a, the positioning stopper mechanism 42 for the grip head unit 13 provided on the movable frame 12 is opened to allow the grip head unit 13 to freely move, and then the pneumatic actuator 76.
Is operated to hook the hook mechanism 75 on the pull-out rod 61 of the grip head unit 13, and the pneumatic actuator 74
The grip head unit 13 with empty rail shelves 81, 8
2, the grip head unit 13 is locked by the pneumatically operated locking mechanism 83, and the movable rack unit 1 is locked again.
6 moves the selected grip head unit 13 into the moving part frame 12 using the pneumatic actuator 74 and the hook mechanism 75, releases the grip head unit 13 from the hook mechanism 75, and activates the positioning stopper mechanism 42 to grip. When the head unit 13 is fixed to the moving part frame 12, the bottle grip head replacement work is completed.

The numbers in parentheses shown on the grip head unit storage base 2 in FIG. 1 indicate the stations in which the grip head unit 13 is stored. A and B indicate the entrances of the grip head unit 13 of the fixed frame 15. The grip head unit 13 can be taken in and out from the entrance A by being stored in the stations (1), (2) and (3), and the grip head unit 13 can be taken in and out from the entrance B by the station (3). , (4), (5). Station (3) can be shared. The position of the moving rack unit 16 indicated by the two-dot chain line in the figure indicates the position where the moving rack unit 16 has moved most.

In the bottle grip head exchanging device, when the bottle held by the grip head 50 is put into the case while the case packer 1 is in operation, the bottle is guided so as not to rest on the edge of the case as shown in FIG. A leading edge unit (guide unit) 65 shown in the drawing is provided. The leading edge unit 65 rises when the case is fed, and lowers when the case stops at the packing position, and inserts the bottle guiding tip into the case. It has a role of helping to enter the bottle. The advance unit 65 needs to be replaced every time the case size is changed. Therefore, when replacing the grip head unit 13, it is desirable to place the advance metal unit 65 as a set. FIG. 5 shows a tip unit 65 having a structure in which the grip head unit 13 is suspended so as to be a unit and can be housed together in the grip head unit housing base 2, but 66 is a rotatable hook. The position shown in the figure shows a state of being suspended by the grip head unit 13, but is normally inclined by the tension spring 67 so as to fall outward. The position of the grip head unit 13 and the position of the tip unit 65 are detected by a detection sensor (not shown), and the control device responds to the signals by a servomotor,
Alternatively, automatic control is possible by issuing an operation command to the actuator.

The operation of the means for storing the advance metal unit 65 together with the grip head unit 13 is as follows.
5, the hooks 66 attached to both ends of the gripping head unit 1 are held inward while the hooks 66 are pushed inward by the rods of the actuators attached to the tip unit attaching members of the case aligning conveyor 10 of the case packer 1 (not shown).
3 is lifted and the hooks 66 are hooked on the pull-out rods 61 fixed to the lower surfaces of both ends of the U-shaped frame 51 to suspend them, and they are stored together with the grip head unit 13 in the movable rack unit 16. The storing operation is similar to that of the grip head unit alone. The procedure for selecting another set of the grip head unit 13 and the advance metal unit 65 and transferring the set to the moving part frame 12 of the case packer 1 is the same as that described above. When the set of the grip head unit 13 and the tip metal unit 65 fixed to the moving section frame 12 is lowered, the tip unit 65 is mounted on the tip unit attaching member at a predetermined position, and when the moving section frame 12 is further lowered, it is hooked. 66 naturally expands outward and separates from the grip head unit 13.

[0030]

As described above in detail, according to the present invention, when the grip head of the container packing machine or the container unloading machine is replaced, the attachment / detachment is performed by the moving part frame and the grip head unit as rails. It can be attached and detached by the action of the wheels, and the replacement unit is also stored and taken out automatically by the mechanism of the grip unit storage base.
The number of grip heads is large, and even when heavy, it does not require manpower, the replacement time is shortened, and it can be stored in a narrow storage space. When there are many types of containers or the container arrangement pattern in the case is different, the gap between the grip heads can be adjusted. The head unit can be stored in the grip head unit storage base and can be laid out on the upper side of the container boxing machine or the container unloading machine to realize a storage / storage shelf with a small occupying area in which replacement work is automated. . Further, even when the set including the container guide frame used for putting the container in the container is replaced, the same can be stored in the same storing place by the same operation method.

[Brief description of drawings]

FIG. 1 is an overall plan view of a container grip head replacement device according to an embodiment of the present invention.

FIG. 2 is a side view of the container grip head replacement device according to the embodiment of the present invention.

FIG. 3 is a perspective view of a moving part frame and a fixed frame according to an embodiment of the present invention.

FIG. 4 is a perspective view of a grip head unit according to an embodiment of the present invention.

FIG. 5 is a perspective view of a tip metal unit (guide unit) according to the embodiment of the present invention.

FIG. 6 is a front view of the grip head unit according to the embodiment of the present invention.

FIG. 7 is a perspective view of a grip head unit storage base according to the embodiment of the present invention.

FIG. 8 is an enlarged perspective view of the pneumatic actuator and hook mechanism in FIG.

FIG. 9 is a perspective view showing a conventional grip head.

FIG. 10 is a view taken along the line YY in FIG.

FIG. 11 is a perspective view of a mounting member of a conventional grip head.

FIG. 12 is a perspective view of a conventional gripper block.

[Explanation of symbols]

 1 Case Packer 2 Grip Head Unit Storage Stand 3 Bottle Conveyor 4 Adjusting Conveyor 5 Case Conveyor 6 Fixed Frame 12 Moving Frame 13 Grip Head Unit 15 Fixed Frame 16 Moving Shelf Unit 17 Linear Bearing Rail 42 Stopper Mechanism 44 Rail 51 U-shaped Frame 52 Wheels 56 Rotating Arm 61 Drawer Bar 65 Tip Unit 66 Hook 71 Entrance Guide 72 Entrance Guide 75 Hook Mechanism 77 Screw 81 Rail Shelf 82 Rail Shelf

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masuho Yamada 1 Takamichi, Iwazuka-cho, Nakamura-ku, Nagoya City Mitsubishi Heavy Industries, Ltd. Nagoya Machinery Works

Claims (4)

[Claims] 1. A grip head unit for holding a container on a container conveyor, which has a plurality of wheels, and a grip head on which a plurality of container grips are arranged, and a grip head unit for lifting and lowering the container conveyor horizontally. A container that is movably mounted on a fixed frame and has a pair of rails, guides the wheels of the grip head unit by the rails, and detachably supports the grip head unit inside to hold a container held by the grip head unit. A moving part frame that carries the grip head unit to a predetermined position when the grip head is replaced and a plurality of rail shelves that are horizontally movable and have been carried to the predetermined position by the moving part frame. Guide the wheels of the grip head unit to an empty rail shelf, store the unit, and replace it with a grip. A head unit storage stand for moving the other rail shelf in which the head unit is housed to a predetermined position to guide the wheels of the same grip head unit to the rails of the same moving section frame and to hand over the same grip head unit. A container grip head replacement device characterized in that 2. A U-shaped frame having a wheel for mounting the grip head unit on a pair of rails of a moving part frame, and a grip head unit housing mounted on the opposite side of the U-shaped frame from the wheel. A plurality of wheels for transferring to a rail shelf of a stand and a rail for sliding a plurality of grip heads laid on both lower side surfaces of the U-shaped frame are provided, and the grip heads are slid on the rail by a link mechanism, 2. The container grip head according to claim 1, further comprising: a grip head position changing mechanism for changing a space, and a pull-out rod that is fixedly mounted on lower surfaces of both ends of the U-shaped frame and is guided to the rail shelf. Exchange device. 3. The grip head unit storage base comprises:
A fixed frame provided adjacent to the container conveyor, a rail shelf unit composed of a plurality of rail shelves capable of traveling on rails provided on the fixed frame and accommodating the grip head unit, and provided on the fixed frame to move. An inlet guide portion including a rail connected to the rail shelf unit, a drive device for moving the rail shelf unit in the moving direction of the movable shelf unit via a screw, an actuator for moving the grip head unit in and out, A hook mechanism for connecting the grip head unit attached to the actuating member of the actuator, a locking mechanism for fixing the grip head unit to the rail shelf, and a position for confirming the position of the grip head unit and the horizontal rail shelf position. A detection sensor and the drive device,
2. The container grip head exchange device according to claim 1, which is configured with an actuator, a hook mechanism, and a control device that controls a locking mechanism. 4. The grip head unit storage base comprises:
The container guide frame that assists in putting the container held by the grip head into the container case while the container is being packed is suspended by the hook of the container guide frame so that it becomes one body in the grip head unit. 4. The container grip head replacement device according to claim 3, further comprising a control device for controlling the hooks to be operated and stored together.