JP2500740Y2 - Automatic cap removal device - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention has a crown capped on the mouth of various beverage bottles such as beer bottles and soft drink bottles, in which the lip portion of the mouth of the bottle is chipped (hereinafter referred to as chipped mouth). The present invention relates to an automatic cap removal device that can be automatically removed without using.

[0002]

2. Description of the Related Art As a conventional stopper device of this kind, FIG.
Such devices are known. This is because one fixing claw 71 provided at the lower end of the support frame 70 holds the crown 73 capped at the mouth of the bottle 72 from above, and the capping frame 75 is lowered by an air cylinder (not shown). , The other moving claw 76 connected by the link mechanisms 77 and 78 rises, and the crown 73
The one side that is not pressed by the fixing claw 71 is lifted to remove the plug. Reference numeral 80 is a spring that constantly urges the stopper frame 75 upward, and 81 is a guide member that guides the movement of the moving claw 76, which has a tapered guide surface 82 on the moving claw side.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention By the way, in the cap removal device as described above, the capper 76 is capped by lifting one side of the crown 73 along the guide surface 82 of the guide member 81 in the inward direction indicated by the arrow. Therefore, when the cap is unplugged, an unreasonable force is applied to the lip portion 83 of the mouth portion, and the lip portion may be chipped, which causes a problem of bottle breaking.
Therefore, an object of the present invention is to provide an automatic cap removal device in which no excessive force is applied to the lip portion of the mouth portion when the cap is removed, and the lip portion is almost free from chipping.

[0004]

In order to achieve the above object, an automatic capping device of the present invention has a gripper for holding a bottle and a vertical movement so that the mouth of the bottle held by the gripper can be fitted from above. A support cylinder having a lower end opening that is movably arranged, a first actuating member that moves the support cylinder up and down, and slanted long holes formed in both side walls of the support cylinder, both ends of the upper end of which are engaged and supported. The opening is formed in the front wall of the cylinder so that it can be slanted downwards and can swing up and down, and by the downward movement of the support cylinder, the upper end is capped at the mouth of the bottle held by the gripper. A crown puller that comes into contact with the top surface of the crown and the claws slide on the skirt of the crown so that the skirt can engage with the skirt from below. , Holding the lower end without crown when moving up And a second actuating member that moves the hoisting member up and down, and a second actuating member that moves the hoisting member up and down. When the gripper holds the bottle, the first actuating member is actuated and the support cylinder moves downward. Control as
When the lower end of this support cylinder comes into contact with the top surface of the crown capped at the mouth of the bottle due to the downward movement of the crown, and the pawl portion becomes engageable from below with the skirt portion of the crown, And a control member for controlling the lifting member to move upward. The crown removal is held in the crown removal holder with the claws opened outward. A shaft that engages with the slender elongated hole is projected from both sides of the upper end of the holder. A lifting member lifts the lower end of the holder. The bottles stand up in a row by the conveyor
The bottles are transferred one by one, and a pair of grippers for holding the bottles, which are transferred one by one, at the stopper opening position of the conveyor are provided across the conveyor. There is also provided a third actuating member controlled by the control member to advance the gripper to hold the bottle by advancing it before unplugging and retract it after unplugging to release the holding of the bottle.

[0005]

When the gripper holds the bottle, the control member controls the first actuating member to move the support cylinder downward. The lowering of this support cylinder also lowers the crown at the same time. When the crown is pulled out, the upper end contacts the top surface of the crown, and the claws slide on the skirt of the crown to engage the skirt from below. It will be in a state. In this state, the control member controls the second actuating member to actuate the lifting member. By the lifting of the lifting member, the crown removing swings upward with the upper end both sides engaged with the inclined elongated hole as fulcrums, and the engaging skirt of the crown is lifted by the tips of the claws, whereby the crown is removed. In the above description, the locus of the tip of the claw part without the crown is an arc in the outward direction with respect to the lip part whose fulcrum is the upper end contacting the top surface of the crown and does not pass through the lip part of the mouth part. However, no excessive force is applied to the lip portion.

[0006]

EXAMPLE This example shows an example applied to a device for removing a crown capped at the mouth of a beer bottle. In FIGS. 1 and 2, reference numeral 1 denotes a transfer conveyor which conveys a plurality of beer bottles 2 in a line and the mouth 2a thereof facing upward. On both sides of the conveyor 1, grippers 5 and 6 are installed to sandwich the conveyor 1 at the portions to be the stopper positions 3. The grippers 5 and 6 are disposed at positions corresponding to the body of the beer bottle 2 temporarily stopped at the cap removing position 3 at the time of cap removal, with concave holding surfaces 5a and 6a that fit the body, and are moved forward by the cylinders 7 and 8. The holding portions 5a and 6a hold the body portion of the beer bottle 2, or the holding portions 5a and 6a release the body portion of the beer bottle 2 held by the holding portions 5a and 6a. In FIG. 1, 10 is an inlet stopper, 11 is an inlet stopper cylinder, 13 is a beer bottle entrance arrival detection sensor, 14 is a beer bottle fixed position arrival detection sensor, 15 is a beer bottle full detection sensor, 16 is a cap removal error detection sensor, 18 Is a sensor for detecting the upper limit of movement of a support cylinder described later.

In FIGS. 3 and 4, 21 and 22 are grippers 5 and 6, respectively.
Support members 23, 24 for supporting the cylinders 7, 8 etc. are sliders to which grippers 5, 6 are attached, and are slidably guided by guide rails 25, 26 on the support members 21, 22. Further, above the beer bottle 2 held by the grippers 5 and 6, a cylindrical support cylinder 27 having upper and lower ends opened is arranged so as to be vertically movable. 28 is a support tube via a mounting piece 29
A slider fixed to 27 engages with a guide rail 31 provided on a support frame 30 installed on the gripper 5 side of the conveyor 1 for sliding guide.

Reference numeral 33 is a cylinder for moving the support cylinder 27 up and down.
It is installed on the support frame 30 so that the attachment piece 29 can be pushed up by the tip of the rod 34. Obliquely inclined elongated holes 35 are formed in both side walls of the support cylinder 27 facing the transfer direction of the conveyor 1, and a square opening 36 is formed in the front wall, and the opening 36 is formed.
On the inner surface of the rear wall facing the
A guide 37 that comes into contact with a is provided. 38 is a holder without a crown, and as shown in FIGS.
Has a shaft 40 slidably engaged with the inclined long hole 35 of
A lower half portion of the opening 36 is slid downwardly outwardly so that the opening 36 can swing up and down. The holder 38 is formed with a slot 43 having a size into which a JIS standard crown removal 41 can be fitted, and the slot 2a of the beer bottle 2 is formed in the slot 43.
Remove the crown 39 plugged on the crown without the crown 41 its claw 42
Is fitted to the holder 38 while being opened outward from an upper hole 43a communicating with the groove 43 of the holder 38, and is fixed by a screw 44. 45
Is a shaft that supports the lower end of the holder 38 protruding from the opening 36, and is provided at the lower end of the downwardly directed piece 46 that hangs from the support cylinder 27 to the front of the front wall thereof.

Reference numeral 48 is a shaft for lifting the lower end of the holder 38,
It is attached to the tip of a lifting member 50 that is vertically movable. A slider 51 is provided in the middle of the lifting member 50.
Is provided, and the slider is adapted to engage with the guide rail 31 and be slidably guided. Also, the lifting member 50
A cylinder 52 for lifting the lifting member 50 is installed at the rear end portion.

The operation of this embodiment will be described with reference to FIGS. When the beer bottle 2 transferred on the conveyor 1 reaches the stopper position 3 and is detected by the fixed position arrival detection sensor 14, the cylinders 7 and 8 receiving signals from this sensor are activated. As a result, the body of the beer bottle 2 is held by the grippers 5 and 6 that move forward by the operation of the cylinder (FIG. 7).

The conveyance of the subsequent beer bottle 2 is temporarily stopped by the stopper 10 protruding onto the conveyor 1 by the cylinder 11. Immediately after the grippers 5 and 6 advance as described above, the cylinder 52 operates and the lifting member 50 moves downward. The lowering of the lifting member 50 causes the lifting member 50 to move.
The holder 38 whose lower end is supported by the roller 48, the support cylinder 27 which supports the holder, and the like also move downward. Then, this downward movement removes the crown held in the holder 38.
The upper end of 41 abuts on the top surface of the crown 39 of the mouth 2a of the beer bottle 2, and the claw 42 engages the skirt 39a of the crown 39.
Slide down (see Figure 10) and drop into the bottom of the skirt (Figure 3).

Next, the cylinder 33 is actuated, and the support cylinder 27 is moved upward via the mounting piece 29. At this time, the shaft 40 of the holder 38 slides down inside the elongated hole while being lifted by the engaging elongated hole 35 and engages with the lower end edge thereof. As a result, the tip of the claw portion 42 of the crown remover 41 in the holder 38 is deeply engaged with the skirt portion 39a (FIG. 8).

Next, the cylinder 52 is operated to lift the lifting member.
50 moves up. The roller 48 also moves up by the upward movement of the lifting member 50, and the holder 38 lifted by the roller 48 due to the upward movement of the roller 48 swings slightly upward with the shaft 40 as a fulcrum, and the holder 38 swings. The crown 39 is removed by the claws 42 of the crown remover 41 in the holder 38. The locus of the tip of the claw portion 42 at this time is shown in FIG. 10, and as can be seen from this, the locus 55 is in the outward direction with respect to the lip portion whose fulcrum is the upper end contacting the top surface of the crown 39. It will not pass through the lip part. Therefore, no excessive force is applied to the lip part.

The cylinder 52 continues to operate even after the crown 39 is removed by the crown removing 41, and lifts the lifting member 50, the holder 38, and the support cylinder 27. When the upper limit sensor 18 detects that the support cylinder 27 has reached the upper limit of movement, the cylinders 7 and 8 are actuated and the grippers 5 and 6 retract to release the holding of the beer bottle 2 (FIG. 9).

The beer bottle 2 to be unplugged in the above is held by the grippers 5 and 6, and the subsequent beer bottle has been transferred to the vicinity of the entrance arrival detection sensor 13 until the holding is released after being unplugged. In this case, as described above, the beer bottle 2 is temporarily stopped by the inlet stopper 10 and waits, and the stoppered beer bottle 2 is transferred to the next process by the conveyor 1 and at the same time, the stopper 10 is released and the subsequent beer bottle is stoppered. Sent to position 3. Also, when the next process becomes full, this is detected by the full detection sensor 15 and the support cylinder
27 waits in the upper limit. Furthermore, if an unplugging error occurs, it is detected by the unplugging error detection sensor 16, and a notification device (not shown) notifies this and waits until it is reset. The removed crown 39 is collected in the hopper by a gutter (not shown).

By the above, one cycle of the cap removal operation of the crown 39 is completed. Then, such an operation is automatically continued by sequence control by a control member using a known electronic component (not shown). The control by the control member may be a method other than the sequence control.

The embodiment shows only a preferred example,
The detailed design of members such as the support cylinder 27 and the holder 38 can be arbitrarily changed within the scope of the invention.

[0018]

According to the first aspect of the present invention, the crown capped at the mouth of the bottle held by the gripper is easily lifted up by the tip of the claw portion for removing the crown, which is constituted as described above. And it can be removed automatically. Moreover, the locus of the tip of the claw at the time of removal becomes an arc with the upper end contacting the top surface of the crown as a fulcrum and does not pass through the lip of the mouth, which is impossible for the lip. The force is not applied, and it is possible to eliminate almost any chipping in the lip. According to the invention of claim 2, it is not necessary to make a work for removing the crown, and the JIS standard can be easily held by the holder for use, so that the manufacturing is easy and the cost can be reduced. According to the third aspect of the invention, a large number of bottle caps sent on the conveyor can be removed by a flow operation.

[Brief description of drawings]

FIG. 1 is a schematic plan view of an embodiment of the present invention.

FIG. 2 is a schematic perspective view of the above.

FIG. 3 is a side view of the above.

FIG. 4 is a partially cutaway plan view of FIG.

FIG. 5 is a plan view of a crown holder.

FIG. 6 is a vertical sectional front view of the same.

FIG. 7 is an explanatory diagram of an operation of the above.

FIG. 8 is an explanatory diagram of an operation of the above.

FIG. 9 is a diagram for explaining the operation of the same.

FIG. 10 is an enlarged view showing the trajectory of the tip of the claw portion without the crown and the like.

FIG. 11 is a schematic view showing a state before the crown is removed in the conventional example.

FIG. 12 is a schematic view showing a state during a crown removing operation of a conventional example.

[Explanation of symbols]

 1 Transfer Conveyor 2 Beer Bottle 2a Mouth Port 3 Unplugging Position 5,6 Gripper 7,8 Cylinder 33,52 Cylinder 35 Tilted Long Hole 36 Opening 37 Guide 38 Crown Removal Holder 40 Shaft 41 Crown Removal 42 Claw 43 Groove 44 Screw 48 axis 50 lifting member

Claims (3)

(57) [Scope of utility model registration request] 1. A device for automatically removing a crown capped at the mouth of a beverage bottle, the gripper holding the bottle, and the mouth of the bottle held by the gripper being fitted from above. A support cylinder having a lower end opening arranged so as to be movable up and down, a first actuating member for moving the support cylinder up and down, and upper end both sides are engaged with inclined elongated holes formed in both side walls of the support cylinder. At the same time, it is slidable downward downward from the opening formed in the front wall of the support cylinder and can swing up and down, and the lower end of the support cylinder causes the upper end of the bottle to be held by the gripper. A crown remover that comes into contact with the top surface of the crown capped at the mouth, and the claw portion slides on the skirt portion of the crown so that the skirt portion is engageable from below.
A lifting member that is vertically movable below the crown remover and that lifts the lower end of the crown remover to swing the crown remover upward when the crown is removed; and a second operation member that vertically moves the lifting member, When the gripper holds the bottle, the first actuating member is operated to control the supporting cylinder to move downward, and the lowering of the supporting cylinder causes the upper end of the crown removing cap to be capped at the mouth of the bottle. And a control member for controlling the second actuating member to actuate the lifting member to move upward when the claw portion is capable of engaging with the crown skirt portion from below. An automatic cap removal device characterized in that 2. A crown remover is held in a crown remover holder in a state where the claws are opened outward, and shafts engaging with the slanted elongated holes are projected from both sides of the upper end of the holder, and The automatic cap removal device according to claim 1, wherein a lifting member lifts a lower end portion of the holder. 3. Bottles are erected in a row by a conveyor and transferred one by one, and a pair of grippers for holding the bottles transferred one by one at a stopper opening position of the conveyor are provided in a pair across the conveyor. 3. The automatic capping device according to claim 1, further comprising a third actuating member which is controlled by the control member so as to advance the container before uncapping and hold the bottle and retract the container after uncapping to release the holding of the bottle. .