JPS6327329A - Chucking device for cylindrical article - Google Patents

Abstract

PURPOSE:To carry out the chucking of a cylindrical article safely and securely without the need of man's hand by providing an elastically deformable ring member in between the end of a shaft holder and a cap. CONSTITUTION:Plural cylindrical articles W are arranged on the pallet 13 of a pallet loading bogie 1 while, on the other hand, chucking devices C1-C4 are provided, and the pallet loading bogie 1 is advanced so as to be on the extension of chucking shafts 158. In this condition, a motor 121 is started, the chucking devices are lowered, and the chucking shafts 158 are inserted into the holes of the cylindrical articles W. And, a cylinder is contractingly operated, a rod is contracted, and a ring member is expanded to hold the cylindrical article W. The chucking devices are lifted up and stopped by means of the motor 121.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a chucking device for cylindrical articles,
More specifically, the present invention relates to a chucking device that chucks a cylindrical article having an insertion hole in the center thereof, such as a creel for a steel calendar, lifts it up, and conveys it to another location.

[Prior art]

Generally, when manufacturing a rubber sheet material containing steel cords, a plurality of steel cords are arranged in parallel, and the front and back surfaces of the steel cords are coated with rubber to manufacture the sheet material.

By the way, the above-mentioned steel cord is wound around a creel and transported, and multiple creels are placed at predetermined positions near where sheet materials are manufactured. Conventional creels have the following problems because they are heavy because they are wrapped with steel cord.

That is, conventionally, the work of transferring a plurality of steel calender creels (cylindrical articles) of a certain weight loaded on a trolley onto the support shaft of a cylindrical article supporting device was carried out by a worker using a lifting device, etc. It was handled using.

However, creels for steel calenders are quite heavy, and when manufacturing rubber materials reinforced with steel cords, a considerable number of creels are used. When carrying out the transfer work, there was a problem in that it required a great deal of labor and time, and was also dangerous.

[Purpose of the invention]

The present invention was devised by focusing on such conventional problems, and its purpose is to chuck a plurality of cylindrical articles loaded on a trolley and to support the cylindrical article supporting device. A chucking method for cylindrical objects that automatically transfers them onto a shaft without the need for manual intervention, and allows safe and reliable chucking and transfer of cylindrical objects. It provides equipment.

[Structure of the invention]

In order to achieve the above object, the present invention includes a chucking shaft that is slidably inserted into a shaft holder that can be inserted into a hole in a cylindrical article, and a chucking shaft that has a cap attached to the tip. An elastically deformable ring member having a diameter at least equal to or less than the outer diameter of the shaft holder when uncompressed is interposed between the chucking shaft and the chucking shaft, and the chucking shaft enters and stops in the hole of each cylindrical article, and the chucking shaft The inner diameter part of the cylindrical article is chucked, and the chucked state is raised to a set height, and the chucking device unit swings to a predetermined position on the cylindrical article support device to release the chucking of the cylindrical article. After that, the cylindrical article held on the chucking shaft is pushed into a cylindrical article support device, and the cylindrical article is transferred onto the support shaft of the cylindrical article.

[Embodiments of the invention]

The present invention will be described in detail below based on the accompanying drawings.

1 and 2 show a front view and a side view of a conveyance device for cylindrical articles W such as a creel for a steel calender according to the present invention. A pallet loading truck 1 loaded with
, a chucking device unit 150 installed on the gate-shaped frame 101 of this loading device 100 so as to be movable in the front-rear, left-right, and up-down directions and rotatable; and a side portion of this chucking device unit 150. The cylindrical article supporting device 200 is installed in the cylindrical article supporting device 200.

The pallet loading truck 1 is movably mounted on rails 2 that extend up to the floor within a gate-shaped frame 101, and the rails 2 are fixed to the floor via a fixing plate 3.

Two axles 6 are rotatably supported at the bottom of the truck frame 4 via bearings 5, and the axles 6 are provided with four wheels 7 that roll on the rails 2.

Further, a geared motor 8 with a brake is installed on the truck frame 4, and a belt 12 is tensioned between a pulley 10 attached to the output shaft 9 of the geared motor 8 and a pulley 11 provided on one side of the axle 6. It is set up.

Therefore, in the pallet loading truck 1, when the brake of the geared motor 8 with a brake is released and the motor 8 is driven, one of the axles 6 is rotationally driven via the belt 12 that is passed around the pulleys 10 and 11. It can be moved on the rail 2 by the axle 7.

A pallet 13 is fixed on the truck frame 4,
On this pallet 13, a plurality of cylindrical articles W are stacked in several stages.

The cylindrical articles W on this pallet 13 are arranged at intervals of YO in the front view of FIG. 1, and arranged and stacked at intervals of Zo in the side view of FIG.

Next, the loading device 100 will be explained.

The gate-shaped frame 101 includes a total of four H-shaped support frames 102a and 102b, two in the front and back, and two H-shaped beam frames 103a that connect the upper ends of the support frames 102a and 102b. Linear ways 105a and 105b, which are engaged with bearings 104a and 104b, are fixed to the support frames 102a and 102b, as shown in FIG. 2.

Seat plates 108a, 108b integrally formed with square frames 107a, 107b connected to the frame 106 are fixed to the bearings 104a, 104b, and screw nuts 109a, 108b are fixed to the seat plates 108a, 108b.
Seat plates 111a and 1llb with 9b are fixedly installed.

The support frames 102a, 10 are attached to the screw nuts 109a, 109b provided on the seat plates 111a, 1llb.
Screw shafts 113a and 113b rotatably supported through bearings 112a and 112b are screwed into screw shafts 11 and 2b.
3a, 113b are connected to couplings 114a, 11
Output shaft 115a, 1 of gear box 115 via 4b
115b, and an input shaft 116a.

The 116b side is connected to the drive shaft 118 via couplings 117a and 117b.

The drive shaft 118 is rotatably supported via a bearing 119, and a pulley 120 is fixed to a portion of the drive shaft 118. This pulley 120 has the beam frame 10
The belt 1 is hooked around the pulley 123 of the output shaft 122 of the geared motor 121 with a brake installed on the motor 3b.
24 is stretched.

Therefore, when the brake of the geared motor with brake 121 is released and the motor is driven to rotate, the Boo U 123.
F/l/upper 124. Drive shaft 1 via Boo'J 120
18 is rotationally driven, and screw shafts 113a, 113b connected to this drive shaft 118 via couplings 114a, 114b and 117a, 117b are rotationally driven at a constant speed.

When the screw shafts 113a and 113b are rotated by the motor 121 in a fixed direction (forward rotation or reverse rotation), the screw shaft 1
Screw napht 109 screwed into 13a and 113b
a, 109b are moved in the vertical direction, and at the same time, the corner frames 107a, 107b and both ends of the frame 106, which are connected to the screw nuts 109a, 109b via the seat plates 111a, 1llb, are moved via the bearings 104a, 104b. Linear Way 105 a.

It moves up and down smoothly along the line 105b. On the frame 106 is a geared motor 12 with a brake.
5 and the coupling 1 to the output shaft 126 of this motor 125.
A reducer 128 is connected to the reducer 128 via 27, and a pulley 130 is fixed to an output shaft 129 of the reducer 128.

Further, on the frame 106, as shown in FIGS. 1 and 3, an axial reduction gear 32 is fixed via a mounting plate 131, and a pulley 134 provided on the input shaft 133 of the axial reduction gear 132 is fixed to the frame 106. A belt 135 is stretched between a pulley 130 provided on the output shaft 129.

The shaft 136 provided in the shaft-on reduction gear 132' is a third
As shown in the figure, bearings 137a and 137b fixed to the ends of the square frame 137 are rotatably supported, and the shaft 136 has fixing bearings provided at the base ends of the two square frames 138a and 138b. The bearings 139a and 139b are fitted and fixed, and the above corner 7Lz-mu 138a and 138b are
A plurality of guide shafts 140 are arranged in parallel. The plurality of guide shafts 140 include a plurality of chucking devices c1 to C4, CI1 to C14, C in the left-right and front-back directions.
Chunking device unit 1 comprising 111 to C114
50 are suspended.

When the brake of the above-mentioned brake-equipped geared motor 125 is released and the motor is driven to rotate, the pulley 130. Belt 135. The shaft 136 rotates through the boot IJ 134, resulting in a corner frame 138a fixed to the shaft 136;
438b pivots around the fixing bearings 139a and 139b, and at the same time, the chucking device unit 150 provided on the guide shaft 140 also pivots.

Next, a plurality of chucking devices C1-C4°C11-C14,C constituting the chucking device unit 150
I11 to C114 are as shown in FIGS. 3 to 7,
A plurality of guide shafts 140 (two in this embodiment) installed between the corner frames 138a and 138b are each equipped with two fixed reference bearings 151a and 151b and a movable slide bearing 152. Individual bearings 153a
, 153b are slidably inserted into each bearing 151.
A frame 154 is vertically installed on the lower surface of each of the frames 151a, 151b and 153a', 153b. This each frame 1
54, there are slide rails 155a and 1 having a U-shaped cross section.
55b is installed in parallel in a direction perpendicular to the guide shaft 140 (Y-axis direction in the figure), and the two slide rails 15
The above-mentioned chucking device 01 is provided between 5a and 155b.
~C4, CIl~C14, and C11l~C114 are installed vertically.

Of the chucking devices installed on the slide rails 155a, 155b, C11, C12, C13, CI
4 is a slide rail 155a.

155b so as not to move. The bearings 151a, 151b and 153a, 153b
As shown in FIG. 6, the base ends of the cylinders 156 are fixed to the side surfaces along the guide shaft 140 side (the side surfaces in the X-axis direction) of the frame 154, which is vertically installed at the bottom of the frame 154. The tip of the rod 156a is connected to the opposing side surfaces of the frame 154 via metal fittings 157a, 157b, and a Rondo brake between the metal fittings 157a, 157b and the rod 156a is fixed. With this configuration, each row is connected in the same way, and the cylinder 1 is connected with fixed bearings 151a and 151b as shown in FIG.
When the 56 rods 156a are shortened, each chucking device C1-C4, C11-C14, C1 in the X-axis direction
The closed intervals of the chucking shafts 158 of 1l to C114 are respectively YO, and when the loft 156a of the cylinder 156 is expanded, it is Yl.

Further, the slide rails 155a and 155b are arranged in a seventh direction.
As shown in the figure, chucking devices C1, C1l, C11
l, C2, C12, C112, C3, C13, C113
, C4, C14°C114, and the slide rails 155a, 155b have a rail support plate 160a.

160b is installed, and the left and right rail holders are temporary 160a.
, 160b are fixed via a connecting frame 161. In FIGS. 4 and 5, the chucking device C1
The plates 160a and 160b of the four rows of rail receivers are fixed to the slide rails 155a and 155b, and the rail receivers of the four rows of chucking devices C4 and C11 are plate 160a.

160b each independently slide rails 155a, 15
It is now possible to move on 5b.

The rail receiver of the chucking device C14 is a plate 160a.
, 160b, a cylinder 163 is fixed via a metal fitting 162 as shown in FIG. Connection is fixed.

Such a configuration is used as the chucking device C1, C11, C1
1l, C2, C12, C112, C3, C13, C11
The rows on the third side are configured in the same manner.

When the rods 163a of each cylinder 163 are shortened, the chucking close interval becomes Zo as shown in FIG. 5, and when the loft 163a is extended, the chucking open interval becomes Zl.

In the rail receiver, chucking devices C4, C14, C114 are attached to the plate 16 at open intervals near the plates 160a and 160b.
4 are fixed to the slide rails 155a and 155b, and the plate 164 has a plurality of (three in this embodiment) pusher cylinders P4. P14. Pi
14 is fixed. This pusher cylinder P4.
P14. A pusher rod 166 is fixed to the rod 165 of P114, and the cylinder 16 in FIG.
3, when the cylinder 156 in FIG. 6 is extended, the slide rails 155a, 155b in the C2, C3, and C4 rows move in the X-axis direction in FIG. 4, and the chucking on each slide rail 155a, 155b moves. Device C
1, C11l, C2, C112, C3, C113, C4
, C114 move in the Y-axis direction.

Next, the chucking devices C1 to C4, CI1 to C14,
The specific configuration of C11l to C114 will be explained with reference to FIGS. 7 to 9.

Figure 7 shows chucking devices 01-C4, C11-C14
, C111 to C114, the chucking shaft 158 and the shaft holder 172 are slidably inserted, and the upper end of the chucking shaft 158 is connected to the shaft holder 1.
A rod 174 of a cylinder 173 fixed to 72 is connected and fixed. Reference numerals 175a and 175b indicate bearing metals, and between a cap 176 fitted to the tip of the chucking shaft 158 and the tip of the shaft holder 172, there is a sleeve 177 and an elastically deformable ring formed of an elastic member. A member 178 is interposed.

The ring member 178 is formed with a diameter that is approximately the same as or smaller than the outer diameter of the shaft holder 172, and has a diameter that is approximately equal to or smaller than the outer diameter of the shaft holder 172.
When the rod 174 of the cylinder 173 connected to the cylinder 8 is extended, the ring member 178 has approximately the same diameter as the outer diameter of the cap 176 and the sleeve 177, and when the rod 174 is shortened and the chucking shaft 158 is pulled up, Due to the tensile force, the ring member 178 is distorted in the axial direction and bulges in the outer diameter direction.

Therefore, the chucking shaft 158, which has a diameter slightly smaller than the inner diameter of the cylindrical article W and has a cap 176, a ring member 178, and a sleeve 177, is inserted in the state shown on the left of the center line O-0 in FIG. When the loft 174 is pulled along the center line O-0 as shown in the right figure, the cylindrical article W can be held by the expansion force of the ring member 178.

Next, chucking devices C1 to C4, CI1 to C14, C
11l to C114 and slide rails 155a, 155b
To assemble the chucking shaft 158 with the shaft holder 172 inserted from above into the gap between the slide rails 155a and 155b, Formed connection frame 161. The bearing 18 is fitted with the pin fitting 179 and press-fitted into the insertion hole 180 formed in the pin fitting 179 and the through hole 181 formed in the shaft holder 172.
A pin 183 that is orthogonal to the slide rails 155a and 155b is inserted through the slide rails 155a and 155b, and the pin 183 is configured to be able to swing around the pin 183 as a fulcrum. Also, on the outer circumferential surface of the lower end of the shaft holder 172, that is, on the tip side, there is a spacer 184 as shown in FIG. Slide plate 185. plate 186
are inserted into each other, and the thickness of the slide plate 185 is equal to that of the spacer 184. Spring holder 18 to be described later
7, the plate 186 and the stopper plate 18
It is configured so that it can slide smoothly between the 8 and 8. The spring holder 187 has a U-shaped cross section as shown in FIG.
The recess 1 of the spring holder 187
A spring 189 is housed inside the spring 87a, and a push bolt 190 provided on the spring holder 187 is fixed with a nut 191.

A press plate 192 is attached to the tip of the push bolt 190, and is configured to adjust the elastic force of the spring 189.

The spring 189 constantly presses the stopper plate 188 in the right direction in FIGS. 8 and 9 due to its elastic force, and the shaft holder 172 is in contact with the stopper plate 188.

A slide rail 1 is provided approximately in the center of the plate 186.
The shaft holder 172 is placed along the longitudinal direction of 55a and 155b.
A long hole 193 with a diameter slightly larger than the outer diameter of the shaft holder is machined. Therefore, when the sleeve 177 is pressed to the left in FIG. 8, the spring 189 is compressed and the slide plate 185 moves, and the shaft holder 172 comes into contact with the stopper plate 188 and rotates at an angle of θ.

Further, in FIGS. 2 and 10, 200 indicates a cylindrical article support device, and this device 200 has a support shaft 201 with
A shaft 202 is installed in a plurality of inclined hooks on which cylindrical articles W are hung.

Next, a method of conveying a cylindrical article W according to the present invention will be explained.

(81 Arranging operation of cylindrical articles W.

A plurality of cylindrical articles W are arranged on the pallet 13 of the pallet loading truck 1, and the chucking devices C1 to C4, C1l of FIG. 4 are placed at the same interval as the interval between YO in FIG. 1 and Zo in FIG.
~C14, C11l-C114 are arranged, and the pallet loading truck 1 is entered so as to be on the extension line of 158 of the chucking shaft. Starting the motor 121 from this state,
Each chucking device C1-C4, C11-C14, C1
1l to C114 are lowered and the chucking shaft 158 is inserted into the hole of the cylindrical article W.

Then, the cylinder 173 is contracted, the rod 174 is shortened, and the ring member 178 is expanded to hold the cylindrical article W. Each chunking device 01~
C4, C11 to C14, and C11l to C114 rise and stop.

Next, extend the cylinders 156 and 163, and in FIG.
, 71 in Figure 2, which is different from when chucking.

In FIG. 1, a pallet loading cart 1 is separately provided, an empty pallet 13 is placed thereon, and the chucking devices C1 to C4, C11 to C14, C11l to C are again activated by the motor 121.
114 is lowered, and the cylindrical articles W can be unloaded onto the empty pallet 13 and transferred to an arrangement different from that at the time of chucking.

In addition, as a similar device, the pallet loading cart 1 is of a fixed type, and it is easy to chuck the cylindrical article W with the loading device 100, move the loading bag R100, and unload it at a different interval from when it was chucked. I can do anything I can think of.

(b) Operation of hanging the cylindrical article W on the cylindrical article support device 200.

As shown in Fig. 2, chucking devices C1 to C4, C1
The cylindrical article W chucked by C1 to C14 and C11l to C114 is hung on the shaft 2 of the cylindrical article supporting device 200.
02, the hanging shaft 202 is attached to the support shaft 2 in order to prevent the cylindrical article W from being pulled out when it rotates.
It forms an inclination angle of θ degrees with respect to 01. Support shaft 20
1 is installed perpendicularly to the floor FL, and the distance between the hanging shafts 202 is the same as the distance 21 between the chucking devices.

As shown in FIG. 2, the cylindrical article W is chucked, raised to a set height by the geared motor with brake 121, and the shaft 136 is rotated by 90 degrees by the geared motor with brake 125.

Each chucking shaft 158 is inclined by θ degrees as shown in FIG. 8 due to the weight of the cylindrical article W, and the angle of the support shaft 201 is the same as the inclination of the shaft 202.

Pusher rod 165 of each button cylinder device P
The cylindrical article W is pushed out by the cylindrical article supporting device 200.
The hook is transferred to the shaft 202.

In addition, in the operation diagram of FIG. 10, the chucking devices C1 to
C4, C1l~C14, C11l~C114 are not inclined by θ degrees as shown in FIG. 8, and the slide rails 155a, 155
Transfer is shown when the axis of the shaft holder 172 is perpendicular to b.

In this case, if the cylindrical article W is chucked and the rotation is stopped at 90-θ) degrees as shown in FIG. , a plurality of cylindrical articles W with a wide distance from the axis in the lower row
cannot be transferred. Upper row of cylindrical articles W
This is true, but if there are multiple units, it will not be possible to transfer them, so it is clear that there is a drawback.

fc1 Next, the operation of the entire device will be explained.

Usually, the cylindrical articles W on the pallet 13 are stacked in several stages and are waiting outside the loading device 100 on the right side of FIG. Chucking devices C1 to C4, C1 of the loading device 100
1 to C14 and C111 to C114 are shortened to the same Yo and Zo as the cylindrical article W, and are waiting in the raised position as shown in FIGS. 1 and 2.

The pallet loading truck 1 enters the set position in the loading device 100, and the chucking devices C1 to C4, C11 to C1
4, C11l to C114 descend, and the knocking shaft 158 enters the hole of each cylindrical article W and stops. and,
The inner diameter part of each cylindrical article W is chucked, the pallet loading cart 100 is raised to a set height, and the pallet loading cart 100 returns to the standby position.Chucking devices C1 to C4, C1l to C14, C11
Open the interval from 1 to C114 (array device) and turn 90 degrees. In this state, release the chucking and press the button
Push the cylindrical article W toward the support device 200 side with the support shaft 2
01 transfers the cylindrical article W onto the shaft 202.

In such a state, the chucking devices C1 to C4, C1
1 to C14, C111 to C114 (array device) rotate to the original position and close the gap.

Then, the pallet loading cart 1 enters again and continues the operation of chucking the cylindrical article W of the next stage.

By automatically repeating such operations in sequence, the work efficiency of transporting and transferring cylindrical articles is improved.

〔Effect of the invention〕

As described above, a chucking shaft with a cap attached to the tip is slidably inserted into the shaft holder which can be inserted into the hole of the cylindrical article, and the chucking shaft is slidably inserted between the tip of the shaft holder and the cap. In addition, since an elastically deformable ring member having a diameter at least equal to or smaller than the outer diameter of the shaft holder when not compressed is provided, it is possible to safely and reliably chuck a cylindrical article without requiring human labor. In addition, since the chucking device can be made smaller, it is possible to chuck cylindrical articles without taking up a large space, and since the inner diameter of the cylindrical article is chucked, it can also be used for long-rolled cylindrical articles. In addition, since the overall structure of the device is not complicated, it can be manufactured at low cost and maintenance can be easily performed.

[Brief explanation of the drawing]

Fig. 1 is a front view of this device, Fig. 2 is a side view of Fig. 1, Fig. 3 is a sectional view of Fig. 1, Fig. 4 is a partially assembled view of the arrangement device, and Fig. 5 is Fig. 4. Figure 6 is the front view of Figure 4.
7 is a front view of the chucking device, FIG. 8 is a side view of FIG. 7, FIG. 9 is a sectional view of FIG. 8, and FIG. 10 is an explanatory diagram of the operation. 150, chucking device unit, 158,
,,chucking shaft, 172...shaft holder, 176
...Cap, 178...Ring member, W911 cylindrical article, C1-C4, C11-C14, C11l-C114,,
, chucking device.

Claims (1)

[Claims] A chucking shaft with a cap attached to the tip is slidably inserted into a shaft holder that can be inserted into a hole in a cylindrical article, and at least the shaft holder is inserted between the tip of the shaft holder and the cap when not compressed. A chucking device for a cylindrical article, characterized in that an elastically deformable ring member having a diameter equal to or less than the outer diameter of the cylindrical article is provided.