JP3690769B2 - Cap tightening device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cap fastening device for attaching a cap to a bottle such as a shampoo.
[0002]
[Prior art]
Conventionally, there is a cap fastening device as described in Japanese Patent Publication No. 3-46392. In this prior art, when a cap is clamped by a plurality of clamping rollers and the cap is screwed onto the bottle by the rotation of the clamping roller, the caps are clamped by opening and closing the four opposing clamping rollers. It has a roller opening and closing device that opens, and a roller rotating device that forcibly rotates these four clamping rollers.
[0003]
[Problems to be solved by the invention]
However, the prior art has the following problems.
Obedience In the conventional technology, the four clamping rollers are opened and closed with respect to each other to clamp the cap, and only a circular cap whose outer surface around the cap axis forms a circle around the cap axis can be clamped. For this reason, a deformed cap whose outer surface around the cap shaft forms a non-circular shape around the cap shaft, or a deformed cap whose outer surface around the cap shaft forms a slanted shape not parallel to the cap shaft is screwed into the bottle. It cannot be used and is not very versatile.
[0005]
An object of the present invention is not only to screw a circular cap onto a bottle, but also to allow a deformed cap to be screwed onto the bottle, thereby improving the versatility of the cap tightening device.
[0007]
Another object of the present invention is not only to screw the circular cap onto the bottle, but also to allow the deformed cap to be screwed to the bottle, and the driving cap to be attached to the bottle, thereby improving the versatility of the cap tightening device. There is.
[0008]
[Means for Solving the Problems]
The present invention according to claim 1, wherein the cap is clamped by a plurality of tightening rollers, and when the cap is screwed onto the bottle by the rotation of the tightening roller, a plurality of the respective tightening rollers are supported respectively. Move at least one of the roller heads in the direction of contact with and away from the other roller heads to force at least one of the plurality of clamping rollers and a roller opening and closing device that opens and closes the opposing clamping rollers In the cap clamping device having a rotating roller rotating device, the deformed cap chuck device is detachable between the clamping rollers which are closed by the roller opening / closing device and face each other.
[0009]
According to a second aspect of the present invention, in the first aspect of the present invention, the deformed cap chuck device may be a deformed cap in which an outer surface around the cap shaft forms a non-circular shape around the cap shaft, or a cap shaft. A deformed cap having an inclined surface whose outer surface is not parallel to the cap axis can be gripped.
[0010]
According to a third aspect of the present invention, in the present invention according to the first or second aspect, the rotational force transmission path of the roller rotating device is eccentrically arranged on the back side of the region between the opposing tightening rollers. Thus, a centering holding device for the deformed cap chuck device is provided above the region between the tightening rollers.
[0013]
Claim 4 In the present invention described in the above, a plurality of roller heads that respectively support the opposing tightening rollers when the cap is screwed onto the bottle by the rotation of the tightening rollers. A roller opening and closing device that moves at least one roller head of the roller in a direction to contact and separate from other roller heads and opens and closes the opposing clamping roller, and a roller that forcibly rotates at least one of the plurality of clamping rollers A cap clamping device having a rotating device, wherein a deformed cap chuck device is detachable between clamping rollers closed and opposed by the roller opening and closing device, and closed and opposed by the roller opening and closing device. The driving cap setting device is made removable between the tightening rollers.
[0014]
According to the present invention described in claims 1 and 2, (1) There is an effect of.
(1) A circular cap is sandwiched between a plurality of tightening rollers opened and closed by a roller opening and closing device, and the circular cap can be rotated and screwed to a bottle by a roller rotating device. In addition, by mounting a deformed cap chuck device between the clamping rollers that are closed by the roller opening and closing device, the deformed cap chuck device is gripped by the deformed cap chuck device, and the deformed cap chuck device is rotated by the roller rotating device. In particular, the deformed cap can be screwed onto the bottle.
[0015]
According to the present invention as set forth in claim 3, (2) There is an effect of.
(2) Since the centering holding device for the deformed cap chuck device is provided, the deformed cap chuck device can be stably rotated while being centered and held, and the deformed cap can be screwed stably.
[0018]
Claim 4 According to the present invention described in (3) There is an effect of.
(3) A circular cap is sandwiched between a plurality of tightening rollers opened and closed by a roller opening and closing device, and the circular cap can be rotated and screwed to a bottle by a roller rotating device. In addition, by mounting a deformed cap chuck device between the clamping rollers that are closed by the roller opening and closing device, the deformed cap chuck device is gripped by the deformed cap chuck device, and the deformed cap chuck device is rotated by the roller rotating device. In particular, the deformed cap can be screwed onto the bottle. Further, by mounting the driving cap setting device between the opposing tightening rollers which are closed by the roller opening / closing device, the driving cap can be attached to the bottle with this driving cap setting device.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
1 is a side view showing a cap fastening facility of the first embodiment, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a front view showing a cap fastening device, FIG. 4 is a left side view of FIG. Is a right side view of FIG. 3, FIG. 6 is a plan view showing the roller rotating device of FIG. 3, FIG. 7 is a plan view showing the roller opening and closing device of FIG. 3, FIG. 8 is a schematic view showing a cap, and FIG. Fig. 10 is a drawing of a cap without a dip tube. Fig. 11 is a drawing of a driving cap. Fig. 12 is a front view of a cap fastening device according to the second embodiment. 12 is a left side view of FIG. 12, FIG. 14 is a front view showing a cap tightening device of the third embodiment, FIG. 15 is a left side view of FIG. 14, and FIG. 16 is a deformed cap chuck for the cap tightening device of the first embodiment. The front view which shows the state which mounted | wore the apparatus, FIG. 17 is the side of FIG. FIG. 18, FIG. 18 is a schematic diagram showing a main part of FIG. 16, FIG. 19 is a schematic diagram showing a deformed cap chuck device, FIG. 20 is a schematic diagram showing a deformed cap, and FIG. 21 shows the cap tightening device of the first embodiment. FIG. 22 is a side view of FIG. 21, FIG. 23 is a schematic view showing the driving cap setting device, FIG. 24 is a schematic view showing the driving cap, and FIG. 25 is a driving cap set. It is a schematic diagram which shows the other example of an apparatus.
[0020]
First Embodiment (FIGS. 1 to 11 and FIGS. 16 to 24)
(Cap tightening equipment) (Figs. 1 and 2)
The cap tightening facility 10 includes a cap supply machine 11 and a cap tightening machine 12.
[0021]
(Cap feeder) (Figs. 1 and 2)
The cap feeder 11 includes an elevator 23 provided on the elevator guide 22 of the gantry 21 so as to be able to move up and down, a traversing base 24 provided on the elevator 23 so as to be movable forward and backward, and a cap supply head 25 provided on the traversing base 24. Have. The cap supply head 25 has three cap supply chucks 26. As a result, the cap feeder 11 chucks the caps 1 fed by the cap feeder 27 three by three with the three cap feed chucks 26 of the cap feed head 25, and tightens the three caps 1 with caps. To the cap tightening device 35 of the machine 12.
[0022]
The cap 1 is a circular cap whose outer surface around the cap axis is circular around the cap axis. However, in the cap tightening facility 10, in addition to the circular cap 1, the outer surface around the cap axis forms a non-circular shape around the cap axis, or the outer surface around the cap axis forms a slope that is not parallel to the cap axis. The deformed cap 3 can be screwed onto the bottle 2. Further, in the cap tightening facility 10, a driving cap 4 such as a cover cap or an inner plug can be attached to the bottle 2.
[0023]
(Cap tightening machine) (Figs. 1 and 2)
The cap tightening machine 12 is disposed in front of the cap supply machine 11 that sandwiches the bottle supply conveyor 28. The cap tightening machine 12 has a lifting platform 33 provided on a lifting guide 32 of the gantry 31 so as to be movable up and down. The lifting platform 33 has three cap fastening devices 35. At this time, as a modification, the platform 31 may be provided with three elevator platforms 33 that can be moved up and down independently of each other, and each of the elevator platforms 33 may be provided with a cap tightening device 35. If it carries out like this, each of the three cap clamping apparatuses 35 can each operate | move independently according to those needs. The cap tightening device 35 receives the screwed cap 1 supplied from the cap supply chuck 26 of the cap supply machine 11 by the cap clamping chuck 36 and screws the cap 1 onto the bottle 2 fed by the bottle supply conveyor 28. .
[0024]
The bottle supply conveyor 28 holds the bottle 2 on the bottle holder 29 and feeds it, and stops the three bottle holders 29 below the cap fastening area of the three cap fastening devices 35. Then, each bottle 2 held by the bottle holder 29 is positioned below each cap tightening region.
[0025]
The cap tightening machine 12 has a cap setting cylinder 37 driven into each of the three cap tightening devices 35. The driving cap set cylinder 37 drives the driving cap 4 such as a cover cap, an inner plug or the like placed on the mouth of the bottle 2 into the bottle 2 by the cap supply chuck 26 of the cap supply machine 11.
[0026]
The cap supply machine 12 has a guide chuck 39 provided on the lifting guide 38 of the gantry 31 so as to be lifted and lowered. The clamp portion of the guide chuck 39 is set to be larger than the outer diameter of the dip tube and smaller than the inner diameter of the mouth portion of the bottle 2 in a closed state where the dip tube is sandwiched from both sides. As a result, when the cap 1 is provided with the dip tube, the guide chuck 39 is bent with the dip tube lowered from the upper end side to the lower end side while the cap 1 is held by the cap holding chuck 36. The dip tube is straightened by following the bending of the clamp portion, and the tip of the dip tube is guided to the upper position of the mouth of the bottle 2 for easy insertion. The guide chuck 39 is configured to be movable in the advancing / retreating direction (direction of contacting / separating to the cap supply machine), can also hold a bent dip tube, and can also cope with an eccentric bottle 2 opening. It has become.
[0027]
Hereinafter, the cap fastening device 35 of the cap fastening machine 12 will be described.
(Cap tightening device) (FIGS. 3 to 7)
The cap clamping device 35 clamps the cap 1 with a plurality of clamping rollers 51, 52, 53, 54 constituting the cap clamping chuck 36, and the cap 1 is attached to the bottle 2 by the rotation of the clamping rollers 51 to 54. Screw it on. At this time, as shown in FIG. 4, the cap tightening device 35 fixes the first lifting platform 41 to the lifting platform 33 provided so as to be driven up and down by the lifting guide 32 of the gantry 31, thereby A second elevating table 42 is supported on the table 41 through a vertical guide (linear guide) 41A and a linear rail 42A so as to be movable up and down. The cap clamping device 35 includes a roller opening / closing device 43 and a roller rotating device 44 for the clamping rollers 51 to 54 constituting the cap clamping chuck 36.
[0028]
The roller opening / closing device 43 moves two roller heads 45, 46 facing the second lift 42 moving up and down with respect to the first lift 41 through transverse guides (linear guide and linear rail) 100, respectively. A pinion 48 that is movably supported and fixed and driven at the time of output of the opening / closing drive motor 47 provided on the back surface of the second elevator 42, and racks 45A and 46A provided on both roller heads 45 and 46, respectively. Is engaged with the upper surface and the lower surface of the pinion 48. 4, 5, and 7, one roller head 45 has two clamping rollers 51 and 52, and the other roller head 46 has two clamping rollers 53 and 54. It is supported relatively. The clamping rollers 51, 53, and 54 are supported by the rotary shafts 51A, 53A, and 54A so as to be able to be forcibly driven by the roller heads 45 and 46, and the clamping roller 52 is supported by the roller shaft 45 so as to be idled. The The roller opening / closing device 43 is moved in parallel by the opening / closing drive motor 47 in a direction in which the roller heads 45, 46 are brought into contact with and separated from each other, and the cap tightening between the opposing tightening rollers 51, 52 and the tightening rollers 53, 54 is held. It is possible to open and close each other with respect to the area. Thereby, the clamping rollers 51 and 52 and the clamping rollers 53 and 54 form a cap clamping chuck 36 that clamps the cap 1.
[0029]
The roller rotating device 44 includes a rotation driving motor 61 provided on the first lifting platform 41 and a clamping roller 51 and clamping rollers 53, 54 provided on both roller heads 45, 46 on the second lifting platform 42 side. The rotational force transmission path is provided with telescopic rotation shafts 62 and 63 that can expand and contract the rotational force transmission path, and while allowing the parallel movement of both roller heads 45 and 46, the fastening roller 51 and the fastening roller 53, 54 can be forcibly driven as described above. At this time, on the first lifting / lowering base 41 side, upper end shafts 62A and 63A of the telescopic rotation shafts 62 and 63 are supported by the bearing base 41B of the first lifting / lowering base 41, and pulleys 64 and 65 are fixed to the upper end shafts 62A and 63A. At the same time, idle pulleys 66A to 66C are supported, and a timing belt 67A wound around a pulley 67 fixed to the output shaft of the rotary drive motor 61 is wound around these pulleys 64, 65, 66A to 66C, and the motor 61 allows the telescopic rotation shafts 62 and 63 to be driven. Further, on the second lifting platform 42 side, the lower end shafts 62B and 63B of the telescopic rotation shafts 62 and 63 are supported on both roller heads 45 and 46, which are supported by the second lifting platform 42 so as to be laterally movable, The rotational force transmitted to the lower end shaft 62B is transmitted to the rotational shaft 51A of the tightening roller 51 described above via the gears 68A and 68B, so that the tightening roller 51 can be forcibly rotated (FIGS. 4 and 7). The rotational force transmitted to the lower end shaft 63B is transmitted to the rotation shafts 53A and 54A of the above-described tightening rollers 53 and 54 via the gears 69A, 69B and 69C and the idle gear 69D to forcibly rotate the tightening rollers 53 and 54. It is possible. Accordingly, the roller rotating device 44 can forcibly rotate the tightening roller 51 of the roller head 45 and the tightening rollers 53 and 54 of the roller head 46 (FIGS. 5 and 7).
[0030]
Here, the above-mentioned telescopic rotation shafts 62, 63 are configured by providing coil spring-like expander shafts 62C, 63C between upper end shafts 62A, 63A and lower end shafts 62B, 63B. The upper end portions of the expander shafts 62C and 63C are mounted around the tip protrusions 71 of the upper end shafts 62A and 63A and fixed to the flange portion 72 of the upper end shafts 62A and 63A, and the lower end portions of the expander shafts 62C and 63C are the lower end shafts. It is mounted around the tip projections 73 of 62B and 63B and fixed to the flange 74 of the lower end shafts 62B and 63B (FIG. 3).
[0031]
In the cap tightening device 35, the side surface of the roller head 45 is used as the nozzle position restricting portion 81. The nozzle position restricting portion 81 of the roller head 45 is configured such that when the tightening rollers 51 and 52 and the tightening rollers 53 and 54 of the cap sandwiching chuck 36 rotate while sandwiching the cap 1 and screw the cap 1 to the bottle 2, The nozzle 1D that is attached to the cap 1 and collides with the cap 1 and can rotate relative to the cap 1 collides with the nozzle 1D to stop the rotation of the nozzle 1D. regulate.
[0032]
Further, in the cap tightening device 35, in order to forcibly rotate the tightening rollers 51, 53, 54 of the roller heads 45, 46, the rotation drive motor 61 and the roller heads 45, 46 on the first lifting platform 41 side. In order to form a rotational force transmission path provided between the fastening rollers 51, 53, and 54, the rotational force that is extended from the first lifting platform 41 side is applied to the fastening rollers 51, 53, and 54. The above-mentioned telescopic rotation shafts 62 and 63 provided on the back side of the cap tightening region were connected to the tightening rollers 51, 53, and 54 through gear trains 68A, 68B, and 69A to 69C. That is, the rotation transmission path (62, 63) of the roller rotating device 44 is eccentrically arranged on the back side of the cap tightening region, and the above-described driving cap set cylinder 37 is provided above the cap tightening region. The driving cap set cylinder 37 is an air cylinder fixed to the second lifting platform 42 and includes a driving head 37A. The driving cap set cylinder 37 enables the driving cap 4 such as an overcap and an inner cap to be driven into the bottle 2.
[0033]
In the cap tightening device 35, a shock absorber 83 is provided on the first elevator 41 side and the second elevator 42 is provided to restrict the upper end of the second elevator 42 relative to the first elevator 41. A stopper bolt 84 is provided on this side, and when the stopper bolt 84 abuts against the shock absorber 83, it can be restrained in a buffering manner.
[0034]
Hereinafter, a usage mode of the cap tightening machine 12 will be described.
(A) Tightening method of screw cap with dip tube (Figs. 8 and 9)
This tightening method is used for the screw cap 1 of FIG. The cap 1 in FIG. 8 is a circular cap as described above, screwed into the mouth of the bottle 2, the dip tube 1B extends from the lower end of the pump 1A, and the nozzle head 1C is located above the pump 1A. It is provided. When the cap 1 is screwed onto the bottle 2 and the nozzle head 1C is pushed in with the palm of the hand, the pump unit 1A works, and the contents are sucked from the dip tube 1B and can be discharged from the nozzle 1D of the nozzle head 1C. At this time, the nozzle 1D can rotate with the cap 1 and relatively rotate.
[0035]
(1) The cap 1 supplied by the cap supply chuck 26 of the cap supply machine 11 is clamped by the cap clamping chuck 36 at the original position, and at the same time, the upper position of the dip tube 1B is clamped by the guide chuck 39 (see FIG. 9 (A), (B)). The cap clamping chuck 36 clamps the cap 1 between the clamping rollers 51 and 52 and the clamping rollers 53 and 54 by the roller opening / closing device 43.
[0036]
(2) The cap supply chuck 26 opens the cap 1. Then, the guide chuck 39 is lowered and the bent dip tube is straightened by following the guide chuck 39 and the lower end of the dip tube 1B is guided to the upper position of the mouth of the bottle 2. Then, the guide chuck 39 waits for the next lowering operation of the lifting platform 33 (41, 42) while holding the dip tube 1B at the lower end (FIG. 9C).
[0037]
(3) The elevator platform 33 (41, 42) is lowered, the cap 1 held by the cap holding chuck 36 is lowered, and the dip tube 1B held in a straight shape by the above (2) is inserted into the bottle 2 (see FIG. 9 (D)). The guide chuck 39 holding the dip tube 1B moves backward to the retracted position when the lower end of the dip tube 1B is inserted into the bottle 2. After the cap 1 is placed on the mouth of the bottle 2 due to the lowering of the lifting platform 33, a certain amount (clamping allowance of the cap 1) (the amount of sinking due to the cap 1 being screwed to the bottle 2 + the margin) ) And the second elevator 42 is lifted relative to the first elevator 41 by this fixed amount.
[0038]
(4) The tightening rollers 51, 53, 54 of the cap clamping chuck 36 are forcibly rotated by the roller rotating device 44, and the cap 1 sandwiched between the tightening rollers 51, 52 and the tightening rollers 53, 54 is attached to the bottle 2. It is screwed (FIG. 9E). At this time, the second lifting platform 42 is lowered by gravity with respect to the first lifting platform 41 by the amount of sinking due to the screwing of the cap 1. Further, the nozzle 1 </ b> D that rotates around the cap 1 is stopped by the nozzle position restricting portion 81 on the side surface of the roller head 45 and the assembly position with respect to the bottle 2 is restricted.
[0039]
(5) Return the cap clamping chuck 36 and the guide chuck 39 to their original positions (FIG. 9F).
[0040]
(B) Tightening method of cap without dip tube (Fig. 10)
This tightening method is used for a screw cap 1 that does not include a dip tube. In this case, the guide chuck 39 is always stopped at the retracted position.
[0041]
(1) The cap 1 supplied by the cap supply chuck 26 of the cap supply machine 11 is clamped by the cap clamping chuck 36 at the original position (FIGS. 10A and 10B).
[0042]
(2) The cap supply chuck 26 opens the cap 1 (FIG. 10C).
[0043]
(3) The lifting platform 33 (41, 42) is lowered and the cap 1 held by the cap holding chuck 36 is lowered (FIG. 10D). After the cap 1 is placed on the mouth of the bottle 2 due to the lowering of the lifting platform 33, a certain amount (clamping allowance of the cap 1) (the amount of sinking due to the cap 1 being screwed to the bottle 2 + the margin) ) And the second elevator 42 is lifted relative to the first elevator 41 by this fixed amount.
[0044]
(4) The tightening rollers 51, 53, 54 of the cap clamping chuck 36 are forcibly rotated by the roller rotating device 44, and the cap 1 sandwiched between the tightening rollers 51, 52 and the tightening rollers 53, 54 is attached to the bottle 2. They are screwed (FIG. 10E). At this time, the second lifting platform 42 is lowered by gravity with respect to the first lifting platform 41 by the amount of sinking due to the screwing of the cap 1.
[0045]
(5) Return the cap clamping chuck 36 to the original position (FIG. 10F).
[0046]
(C) Driving method of driving cap (Fig. 11)
This driving method is used for driving caps 4 such as cover caps and inner plugs. In this case, the tightening rollers 51 and 52 and the tightening rollers 53 and 54 of the cap clamping chuck 36 are maintained at the fully open position from start to finish, and the guide chuck 39 is stopped at the retracted position from end to end.
[0047]
(1) The driving cap 4 (cover cap, inner plug, etc.) supplied by the cap supply chuck 26 of the cap supply machine 11 is placed on the mouth of the bottle 2 (FIGS. 11A and 11B).
[0048]
(2) The elevator platform 33 (41, 42) is lowered (FIG. 11C).
[0049]
(3) The driving head 37A of the driving cap set cylinder 37 is extended, and the cap 1 held by the cap supply chuck 26 placed on the mouth of the bottle 2 is driven into the mouth of the bottle 2 by the driving head 37A (FIG. 11). (D)).
[0050]
(4) The driving head 37A of the driving cap set cylinder 37 is contracted to open the cap supply chuck 26 (FIG. 11E).
[0051]
(5) Return the lifting platform 33 (41, 42) to the original position (FIG. 11F).
[0052]
Therefore, according to the cap tightening device 35, there are the following operations.
{Circle around (1)} The roller opening / closing device 43 translates the roller heads 45 and 46 in the direction in which the roller heads 45 and 46 come in contact with and away from the other roller heads. As a result, the clamping rollers 51 to 54 of the roller heads 45 and 46 are moved in parallel from the standby position to the position in contact with the cap 1 and closed, and the entire surface is always applied to the cap 1 regardless of the size of the cap 1 and the cap 1 is put on. It will be pinched. That is, the caps 1 of different sizes can be securely clamped by the tightening rollers 51 to 54, and the caps 1 of various sizes can be stably tightened.
[0053]
(2) The roller opening / closing device 43 enables the two roller heads 45, 46 to move laterally with each other, the pinion 48 driven by the opening / closing drive motor 47, and the rack 45A provided on each of the roller heads 45, 46, 46A was meshed with the upper and lower surfaces of the pinion 48. Therefore, both roller heads 45 and 46 can be translated in a compact configuration.
[0054]
(3) Since the roller rotation device 44 uses the rotation shafts of the clamping rollers 51 to 54 provided on the roller heads 45 and 46 as the expansion and contraction rotation shafts 62 and 63, the roller opening and closing device 43 translates the roller heads 45 and 46 in parallel. Sometimes, the parallel movement is allowed by the expansion and contraction of the expansion and contraction rotation shafts 62 and 63.
[0055]
(4) The first elevating table 41 is supported by the gantry 31 and is driven up and down, and the second elevating table 42 is supported by the first elevating table 41 so as to be movable up and down. Since the roller heads 45 and 46 are supported by the base 42, when the cap 1 is screwed by the rotation operation of the cap 1 by the tightening rollers 51 to 54, the cap 1 is drawn in the male screw shaft direction of the bottle 2 and sinks. At this time, the clamping rollers 51 to 54 sandwiching the cap 1 can be lowered in accordance with the sinking of the cap 1 by the lowering of the second lifting platform 42 with respect to the first lifting platform 41. As a result, there is no relative slip in the axial direction between the tightening rollers 51 to 54 and the cap 1, and there is no possibility that the outer peripheral surface of the cap 1 may be slipped due to this slip.
[0056]
Prior to the rotation operation of the cap 1 by the tightening rollers 51 to 54, when the tightening rollers 51 to 54 first clamp the cap 1, the first lifting platform 41 is moved to the tightening allowance of the cap 1 (the above sinking of the cap 1). The second lifting / lowering base 42 is relatively raised from the first lifting / lowering base 41 by its tightening allowance. Then, during the subsequent rotation of the cap 1 by the tightening rollers 51 to 54, the second elevating platform 42 is lowered by its tightening allowance due to gravity, that is, in accordance with the sinking of the cap 1.
[0057]
(5) By the above (4), when the cap 1 is rotated by the tightening rollers 51 to 54, the cap 1 is tightened by gravity on the second elevator 42 having the roller heads 45 and 46 with respect to the first elevator 41. When lowering only the attachment allowance, the expansion / contraction rotation shafts 62 and 63 between the rotation drive motor 61 and the tightening rollers 51 to 54 of the roller heads 45 and 46 were used as the expander shafts 62C and 63C. Therefore, the rotating shafts 62 and 63 constituted by the expander shafts 62C and 63C can be smoothly expanded and contracted, and a simple descent assisting force applying device or the like of the second lifting platform 42 is not required.
[0058]
(6) When the cap 1 is provided with a nozzle 1D that can rotate relative to the cap 1, the roller head 45 is provided with a nozzle position restricting portion 81 as means for restricting the assembly position of the nozzle 1D to the bottle 2. It was. Therefore, the assembly position of the nozzle 1D that can rotate relative to the cap 1 to the bottle 2 can be restricted with a simple configuration.
[0059]
(7) The rotational force transmission path of the roller rotating device 44 is arranged eccentrically on the back side of the cap 1 tightening region. Thus, the upper space of the cap 1 tightening region is made an empty space, and a driving cap set cylinder 37 for the cover cap 1 and the inner stopper for the bottle 2 is provided here. Therefore, the driving cap set cylinder 37 is provided with a simple configuration on the upper part of the cap tightening region by the tightening rollers 51 to 54, and the cap tightening device can be generalized to the driving cap 4 such as the cover cap 1 and the inner cap. .
[0060]
Next, the deformed cap chuck device 200 and the driving cap setting device 300 that are mounted on the cap tightening device 35 of the cap tightening machine 12 will be described.
[0061]
(Deformed cap chuck device) (FIGS. 16 to 20)
As shown in FIGS. 16 and 17, the odd-shaped cap chuck device 200 includes a tightening roller 53 and a tightening roller 53 which are opposed to each other by being closed by a roller opening / closing device 43 in the cap tightening device 35 of the cap tightening machine 12. , 54, and the above-described deformed cap 3 (FIG. 20) can be screwed onto the bottle 2.
[0062]
As shown in FIGS. 16 to 19, the deformed cap chuck device 200 can be centered and held by a centering holding device 210 using a driving cap set cylinder 37 provided at the upper part of the above-described cap tightening region (region between tightening rollers). And an attachment 201 sandwiched between the opposing tightening rollers 51 and 52 and the tightening rollers 53 and 54, and a cap sandwiching chuck 203 fixed to the lower portion of the attachment 201 with a bolt 202.
[0063]
The centering holding device 210 has a support shaft 212 fixed to the end of the piston rod of the driving cap set cylinder 37 by a set screw 211, and a conical surface formed of a sealing functional material such as hard rubber on the lower end surface of the support shaft 212. The centering portion 212A is provided with a pneumatic pipe joint 213 for the chuck 203 on the side of the support shaft 212, and an air pressure supply passage 214A connected to the pneumatic pipe joint 213 is provided inside the support shaft 212. are doing.
[0064]
The attachment 201 includes an upper connecting portion 201B having a bearing portion 201A that can be coaxially fitted to the centering portion 212A of the support shaft 212 of the centering holding device 210, and a lower connecting portion 201C to which the chuck 203 is fixed. The driven pulley 201D is held between the clamping rollers 51, 52 and the clamping rollers 53, 54 which are closed by the roller opening / closing device 43 and opposed to each other, and the roller heads 45, 46 of the roller rotating device 44 described above. And a driven gear 201E that is engaged with and held by gears 68B and 69B. Further, the attachment 201 has an air pressure supply path 214B communicating with an air pressure supply path 214A provided on the support shaft 212 of the centering holding device 210.
[0065]
The cap clamping chuck 203 includes a housing 203A that is fixed to the lower connection portion 201C of the attachment 201 by the bolt 202 described above, and a pair of hands 203B and 203B that are provided below the housing 203A and open and close. The chuck 203 is supplied with air pressure supplied to the pneumatic supply path 214B of the attachment 201 through the pneumatic pipe 214C, and opens and closes the pair of hands 203B and 203B by the operation of the opening / closing mechanism built in the housing 203A. 3 can be gripped.
[0066]
Therefore, the deformed cap chuck device 200 is used as follows.
(1) The cap clamping chuck 203 is fixed to the lower connecting portion 201C of the attachment 201 with a bolt 202.
[0067]
(2) In the cap tightening device 35, the driven pulley 201D of the attachment 201 is sandwiched and held between the tightening rollers 51, 52 and the tightening rollers 53, 54 which are closed by the roller opening / closing device 43 and face each other. The driven gear 201E of the attachment 201 is meshed and held between the opposing gears 68B and 69B.
[0068]
(3) Centering the support shaft 212 of the centering holding device 210 by fixing the support shaft 212 to the end of the piston rod of the driving cap setting device 37 constituting the centering holding device 210 with a set screw 211 and extending the cylinder 37. The portion 212A is coaxially fitted to the upper connection portion 201B of the attachment 201 and the bearing portion 201A, and the attachment 201 and the cap clamping chuck 203 are centered and held.
[0069]
(4) The deformed cap 3 supplied by the cap supply chuck 26 of the cap supply machine 11 is gripped by the pair of hands 203B and 203B of the cap holding chuck 203.
[0070]
(5) The elevator 33 (41, 42) is lowered and the deformed cap 3 held by the cap clamping chuck 203 is lowered. After the deformed cap 3 is lowered onto the mouth of the bottle 2 due to the lowering of the lifting platform 33, a certain amount (tightening allowance of the deformed cap 3) (the amount of sinking due to the deformed cap 3 being screwed to the bottle 2) The lifting platform 33 (first lifting platform 41) continues to descend by (plus margin), and the second lifting platform 42 is lifted relative to the first lifting platform 41 by this fixed amount.
[0071]
(6) The roller rotation device 44 forcibly rotates the opposing gears 68B and 69B, the opposing clamping rollers 51 and 52, and the clamping rollers 53 and 54, and the attachment 201 via the driven gear 201E and the driven pulley 201D of the attachment 201. As a result, the cap clamping chuck 203 is rotated. As a result, the deformed cap 3 held by the cap clamping chuck 203 is screwed to the bottle 2. At this time, the second lifting / lowering table 42 is lowered by gravity with respect to the first lifting / lowering table 41 by the above-described sinking amount due to screwing of the deformed cap 3.
[0072]
(7) Return the lifting platform 33 (41, 42) to the original position.
[0073]
Therefore, the deformed cap chuck device 200 has the following effects.
(1) The circular cap 1 can be clamped by a plurality of tightening rollers 51 to 54 opened and closed by the roller opening / closing device 43, and the circular cap 1 can be rotated and screwed to the bottle 2 by the roller rotating device 44. Further, by mounting the deformed cap chuck device 200 between the clamping rollers 51 to 54 which are closed by the roller opening / closing device 43 and opposed to each other, the deformed cap chuck device 200 holds the deformed cap 3 and the roller rotating device 44 The deformed cap 3 can be screwed onto the bottle by rotating the deformed cap chuck device 200.
[0074]
(2) Since the centering holding device 210 for the deformed cap chuck device 200 is provided, the deformed cap chuck device 200 can be stably rotated with the centering held, and the deformed cap 3 can be screwed stably.
[0075]
In the odd-shaped cap chuck device 200, in the attachment 201, either the driven pulley 201D or the driven gear 201E may be omitted.
[0076]
(Drive-in cap setting device) (FIGS. 21 to 25)
As shown in FIGS. 21 and 22, the driving cap setting device 300 includes a tightening roller 53 and a tightening roller 53 which are opposed to each other by being closed by a roller opening / closing device 43 in the cap tightening device 35 of the cap tightening machine 12. , 54 so that the cover cap 4A (FIG. 24) can be attached to the bottle 2.
[0077]
As shown in FIGS. 21 to 23, the driving cap set device 300 can be centered and held by a centering holding device 210 using a driving cap set cylinder 37 provided at the upper portion of the above-described cap tightening region (region between tightening rollers). And an attachment 201 sandwiched between the opposing tightening rollers 51 and 52 and the tightening rollers 53 and 54, and a driving head 301 fixed to the lower portion of the attachment 201 with a bolt 202. The driving head 301 includes a driving portion 301A. The attachment 201 and the centering holding device 210 can use the attachment 201 and the centering holding device 210 for the deformed cap chuck device 200 described above as they are.
[0078]
Therefore, the driving cap setting device 300 is used as follows.
(1) The cap clamping chuck 203 is fixed to the lower connecting portion 201C of the attachment 201 with a bolt 202.
[0079]
(2) In the cap tightening device 35, the driven pulley 201D of the attachment 201 is sandwiched and held between the tightening rollers 51, 52 and the tightening rollers 53, 54 which are closed by the roller opening / closing device 43 and face each other. The driven gear 201E of the attachment 201 is meshed and held between the opposing gears 68B and 69B.
[0080]
(3) Centering the support shaft 212 of the centering holding device 210 by fixing the support shaft 212 to the end of the piston rod of the driving cap setting device 37 constituting the centering holding device 210 with a set screw 211 and extending the cylinder 37. The portion 212A is coaxially fitted to the upper connection portion 201B of the attachment 201 and the bearing portion 201A, and the attachment 201 and the cap clamping chuck 203 are centered and held.
[0081]
(4) Place the cover cap 4 </ b> A supplied from the cap supply chuck 26 of the cap supply machine 11 on the mouth of the bottle 2.
[0082]
(5) The elevator platform 33 (41, 42) is lowered, the driving head 301 is moved down, and the cover cap 4A held by the cap supply chuck 26 placed on the mouth of the bottle 2 is inserted into the bottle 2 by the driving unit 301A. Put in the mouth.
[0083]
(6) Return the lifting platform 33 (41, 42) to the original position.
Therefore, the driving cap setting device 300 has the following effects.
(1) A circular cap is sandwiched between a plurality of tightening rollers 51 to 54 opened and closed by a roller opening / closing device 43, and the circular cap 1 can be rotated by a roller rotating device 44 and screwed to the bottle 2. Further, the cover cap 4 </ b> A can be attached to the bottle 2 with this driving cap setting device 300 by mounting the driving cap setting device 300 between the clamping rollers 51 to 54 which are closed by the roller opening / closing device 43.
[0084]
(2) Since the centering holding device 210 for the driving cap setting device 300 is provided, the driving cap setting device 300 can be stably supported while being centered and the cover cap 4A can be stably attached.
[0085]
In the driving cap setting device 300, the inner plug 4B can be attached to the bottle 2 by using a driving head 302 as shown in FIG. The driving head 302 includes a driving portion 302A that can suck and hold the inner plug 4B.
[0086]
Second Embodiment (FIGS. 12 and 13)
The second embodiment is substantially different from the first embodiment in that the rotation driving motor 61, the upper end shafts 62A and 63A, and the pulleys 64, 65, and 66C of the roller rotating device 44 are fixed to the second lifting platform 42. The upper and lower shafts 62A and 63A supported by the base 90 and the telescopic rotary shafts 62 and 63 of the roller rotating device 44 supported by the support base 90 of the second elevating base 42 are used as slide rotary shafts, and the slide rotary shafts 62A and 63A, That is, the lower end shafts 62B and 63B supported by the two roller heads 45 and 46 are connected by intermediate rotation shafts 62C and 63C via upper and lower universal joints 91 and 92, respectively. As shown in FIG. 12, the slide rotation shafts 62A and 63A are supported at both ends by upper and lower bearings 93 and 94, and slide keys 95 and 95 are engaged with the key grooves 64A and 65A of the pulleys 64 and 65 to slide in the axial direction. It is possible. A flange 96 is fixed to the upper ends of the slide rotation shafts 62A and 63A. FIG. 12 shows that the flange 96 of the slide rotation shafts 62A and 63A is at the slide lower end of the slide rotation shafts 62A and 63A that abuts the support base 90.
[0087]
In the second embodiment, the lowering stopper plate 97 of the second lifting platform 42 can be brought into contact with the first lifting platform 41, and the lowering end of the second lifting platform 42 relative to the first lifting platform 41 is restricted. Further, the driving cap setting device 37 is fixed to the support base 90 of the second lifting platform 42.
[0088]
Therefore, according to the present embodiment, in addition to the above-described operations (1) to (7) of the first embodiment, the following operations are provided.
That is, when the cap 1 is rotated by the tightening rollers 51 to 54, when the second lift 42 including the roller heads 45 and 46 is lowered by the gravity with respect to the first lift 41, the cap 1 is lowered by the tightening allowance. Slide rotation shafts 62A and 63A that can slide while supporting a part of telescopic rotation shafts 62 and 63 between the rotation drive motor 61 and the tightening rollers 51 to 54 of the roller heads 45 and 46, supported on both ends by the second lifting platform 42. It was. Therefore, the rotary shafts 62 and 63 constituted by the slide rotary shafts 62A and 63A can be smoothly expanded and contracted, and the second lifting platform 42 is not required to have a lowering assisting force applying device or the like, and is simple.
[0089]
(Third Embodiment) (FIGS. 14 and 15)
The third embodiment is substantially different from the first embodiment in that the telescopic rotation shafts 62 and 63 of the roller rotating device 44 are spline shafts 62C and 63C between the upper end shafts 62A and 63A and the lower end shafts 62B and 63B. It is in having established. The spline shafts 62C and 63C include a spline outer cylinder 101 and a spline inner cylinder 102. The upper end portion of the spline outer cylinder 101 is coupled to the upper end shafts 62A and 63A by the upper universal joint 103, and the lower end portion of the spline inner cylinder 102 is connected. The lower universal joint 104 is coupled to the lower end shafts 62B and 63B.
[0090]
Therefore, according to the present embodiment, there are operations similar to the above-described operations (1) to (7) of the first embodiment.
[0091]
Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like without departing from the gist of the present invention. Is included in the present invention. For example, the first elevator 41 and the second elevator 42 may be integrated without being divided from each other. At this time, when the cap is clamped by the tightening roller of the cap tightening device and the cap is screwed, the cap sinks, and the entire integrated lifting platform is lowered according to the sinking of the cap. Thus, the clamping roller holding the cap may be lowered with the sinking of the cap. However, the clamping roller does not necessarily have to be lowered with the sinking of the cap.
[0092]
In addition, you may use the cap clamping device of this invention as a rotary type | mold capper comprised by arranging in multiple on the rotatable mount frame.
[0093]
Further, in the practice of the present invention, the cap clamping device may have any number of two or more roller heads, which translate at least one roller head in a direction to contact or separate from other roller heads. If it is good. Each roller head may be provided with one or more clamping rollers.
[0094]
【The invention's effect】
As described above, according to the present invention, not only the circular cap can be screwed to the bottle, but also the deformed cap can be screwed to the bottle, and the versatility of the cap tightening device can be improved.
[0096]
Further, according to the present invention, not only the circular cap is screwed to the bottle, but also the deformed cap can be screwed to the bottle, and the driving cap can be attached to the bottle, thereby improving the versatility of the cap tightening device. be able to.
[Brief description of the drawings]
FIG. 1 is a side view showing a cap tightening facility according to a first embodiment.
FIG. 2 is a plan view of FIG.
FIG. 3 is a front view showing a cap tightening device.
4 is a left side view of FIG. 3. FIG.
FIG. 5 is a right side view of FIG. 3;
6 is a plan view showing the roller rotating device of FIG. 3. FIG.
FIG. 7 is a plan view showing the roller opening / closing device of FIG. 3;
FIG. 8 is a schematic view showing a cap.
FIG. 9 is a tightening process diagram of a cap with a dip tube.
FIG. 10 is a tightening process diagram of a cap without a dip tube.
FIG. 11 is a driving process diagram of a driving cap.
FIG. 12 is a front view showing a cap tightening device according to a second embodiment.
FIG. 13 is a left side view of FIG.
FIG. 14 is a front view showing a cap tightening device according to a third embodiment.
FIG. 15 is a left side view of FIG. 14;
FIG. 16 is a front view showing a state in which the deformed cap chuck device is attached to the cap tightening device according to the first embodiment.
FIG. 17 is a side view of FIG.
FIG. 18 is a schematic diagram showing the main part of FIG.
FIG. 19 is a schematic view showing a deformed cap chuck device.
FIG. 20 is a schematic view showing a deformed cap.
FIG. 21 is a front view showing a state in which the driving cap setting device is mounted on the cap tightening device of the first embodiment.
22 is a side view of FIG. 21. FIG.
FIG. 23 is a schematic view showing a driving cap setting device.
FIG. 24 is a schematic view showing a driving cap.
FIG. 25 is a schematic view showing another example of a driving cap setting device.
[Explanation of symbols]
1 Circular cap
2 bottles
3 deformed cap
35 Cap tightening device
43 Roller opening and closing device
44 Roller rotating device
45, 46 Roller head
47 Open / close drive motor (open / close drive)
51-54 Tightening roller
61 Rotation drive motor (rotation drive)
200 Deformed Cap Chuck Device
210 Centering holding device

Claims (4)

When the cap is pinched by a plurality of tightening rollers and the cap is screwed onto the bottle by the rotation of the tightening roller,
A roller opening and closing device for moving at least one roller head of a plurality of roller heads respectively supporting the opposing clamping rollers in a direction to contact and separate from other roller heads, and opening and closing the opposing clamping rollers;
In a cap clamping device comprising a roller rotating device that forcibly rotates at least one of a plurality of clamping rollers,
A cap clamping device, wherein a deformed cap chuck device is detachable between clamping rollers which are closed by the roller opening / closing device and face each other.   The deformed cap chuck device can grip a deformed cap whose outer surface around the cap axis forms a non-circular shape around the cap axis, or a deformed cap whose outer surface around the cap shaft forms a slope that is not parallel to the cap axis. The cap fastening device according to claim 1.   A rotational force transmission path of the roller rotation device is eccentrically arranged on the back side of the region between the opposing tightening rollers, and a centering holding device for the deformed cap chuck device is provided above the region between the tightening rollers. The cap fastening device according to claim 1 or 2 provided. When the cap is pinched by a plurality of tightening rollers and the cap is screwed onto the bottle by the rotation of the tightening roller,
A roller opening and closing device for moving at least one roller head of a plurality of roller heads respectively supporting the opposing clamping rollers in a direction to contact and separate from other roller heads, and opening and closing the opposing clamping rollers;
In a cap clamping device comprising a roller rotating device that forcibly rotates at least one of a plurality of clamping rollers,
The deformed cap chuck device is detachable between the tightening rollers that are closed by the roller opening and closing device and facing each other,
A cap clamping device, wherein the cap setting device is detachable by driving between the opposing clamping rollers closed by the roller opening / closing device.

Images