JPS61193A - Cap-applicator for sealing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to container sealing machines, and in particular to linear sealing machines for initially applying closure caps to containers moving under the cap applicator of the linear sealing machine. Regarding superior cap applicators (or cap pink amplifiers) used in sealing machines.

BACKGROUND OF THE INVENTION Linear sealing machines are commonly used to seal glasses and other containers with threaded or lug caps. In these sealing machines, as the caps are fed from the cap supply hopper to the moving containers, the containers are passed through at extremely high speeds.

The cap feeding device positions the cap correctly and
It includes a sloping chute and a cap applicator (cap attachment device) that directs the cap to the mouth of the container while lightly screwing them onto the threads or lugs of the container to move the cap.

In order to increase the efficiency of the container sealing operation and minimize its cost, a linear sealing machine operating at high speed is used, so that the sealing speed increases from 7 minutes for a few hundred containers to 7 minutes for more than 1000 containers. Manufactured. Conventional cap applicators are well known and have been used for several years. Such conventional cap applicators are disclosed in one example, US Pat.
No. 9.914'.

Problems to be Solved by the Invention The cap applicator of the present invention overcomes the drawbacks of the prior art, and allows for faster cap application than the prior art.

A cap applicator that is easy to manufacture and highly reliable can be provided. In particular, one of the caps of the present invention
The applicator improves handling of the cap in feeding the chaff from the lower end of the cap feeding chute to the top of the container moving.

Accordingly, it is an object of the present invention to provide an improved cap applicator for sealers.

Another object of the invention is to provide a cap applicator which features an improved means for positioning the cap on top of a moving container.

Another object of the invention is to provide a reliable cap applicator for sealing machines operated at extremely high speeds.

It is a further object of the present invention to provide a cap applicator for attaching closure caps to containers with relatively large finish tolerances.

Another object of the present invention is to provide an improved cap system for attaching closure caps to closely spaced transfer caps.
The purpose is to provide an applicator.

It is a further object of the present invention to provide a cap applicator that eliminates the cap reversing means and magnets conventionally used for cap application.

Another object of the present invention is to provide a complete cap applicator that provides good operator visibility and excellent vapor dispensing.

Other objects of the invention will become apparent from the examples described below in conjunction with the accompanying drawings.

Embodiment As shown in FIGS. 1 and 2, one cap of the present invention was used.
The applicator 1 is mounted by a bracket 5 on a linear sealing machine 2. The sealing machine 2 has a continuous moving conveyor 4 whose 7 uppermost horizontal runs convey successively a series of containers 5 below the cap applicator 1 . For example, the first
The figure shows a conveyor 4 that moves containers 5 from left to right below the cap chute end 6 with containers 5 kept in a straight line and closely spaced.
shows. Each container 5 engages a closure cap 7 disposed within the cap chute end 6, with the cap 7 being elastically attached to a shoe 8.
Carry it all the way to the front of the lower part of 9.

A closure cap 7 fed to the cap applicator from a modified chute end cap supply hopper (not shown) slides down an angled cap supply chute that terminates in a modified chute end 6. Chute end 6 is best shown in FIGS. 1-5. The chute end 6 has a spacer side plate attached to the chute end mounting bracket 11 for lateral adjustment.
Return from rail 10. ) As shown in the figure, the side V
- the lateral spacing of the rails 10 is provided by attaching both rails 10 to both ends of the adjusting screw 12;

The adjustment screw 12 is rotatably contained within a centrally located upper shoe 15 threadedly engaged with each side rail 10. Elongated adjustment slots 14 in wings 15 of bracket 11 slidably hold rectangular guides 15 on side rails 10.

Hold them parallel while adjusting. side rail 10
each has a cap-carrying cap trunk (orbit) that engages at its lower part the sides of the cap skirt 17 and allows the moving container 5 to pass under the extreme cap 7 at the chute end 6. ) A plate 16 is provided. Fifth
As clearly shown in the figure, the moving container 5 is located at the chute end 6
engages the cap skirt 17 at its center and pulls the cap 7 from the chute end 6 all the way down and forward of the cap applicator 1. As will be detailed below, the cap applicator l is placed over the glass finish 18 of the closure cap-a-la-container 5 while rotating the cap 7 and turning them downwardly into a light sealing engagement with the moving container 5. to level it.

The endmost cap 7 in the chute is precisely positioned with respect to the container finisher 18 in order to feed each cap 7 smoothly and accurately from the end of the chute. Therefore,
As shown in FIGS. 1 and 5, the lowermost front edge of the cap skirt 17.

It is arranged to engage the container 7 at the rim on the thread or lug 19 of the container finish 18 . This allows the cap 7 to be pulled out of the chute end without causing harmful engagement between the lug of the cap and one of the screws of the container. The precise positioning of this extreme closure cap 7 is controlled by the use of an elongated, precisely sized and positioned cap "trunk plate 16. A cap retention button 20 mounted on a leaf spring 21 The lowermost cap 7 on the chute end 6 is held in its container-engaging position.A shim or liner 22 is removably attached to the upper shoe 15 of the chute end.

The liner 22 is then supplied with only a very small clearance (e.g. about 0.05 cm) from the cover of the cap 7 for the particular cap size supplied, and the cap is free to slide over the liner 22 and the button 20. Balanced to avoid harmful drag when pulled over. Cap 7.

From that position, it passes under the liner 22 and the front shoe 26 while being kept horizontal by both ends of the track plate [6]. The surface 2 of the shoe 25 has a rounded lead (chamfered portion) as shown in FIG. The dimensions are such that the cap 7 can be advanced under the front shoe 23 while moving the cap 7 forward.

Thus, during the initial movement of the lower side of the front shoe 23 from the chute end 6 of the closure cap 7.

The cap 7 is placed horizontally on the cap track plate 16 and below the underside 211 of the front shoe 2, and in telescopic relationship with the container finisher 18 on one of the container racks. In this position, the cap 7 is stable and the moving container 5
carries the cap 7 under the first turndown drag 25 of the front shoe 25 and then under the second turndown drag 26 of the rear shoe 27.

The front shoe 25 takes a slightly inclined position to fully promote the downward movement of the cap, but the rear shoe 2
7 takes a horizontal position. Front and rear shoes 2
3.27 These positions are held by a single elastic shoe. Each of the shoes.

Bearings 311 formed in a centrally located frame 56 attached to a pair of spring-loaded gripping rods 28, 29 pivot-mounted at 50 and 51 at the front and rear ends of shoes 25 and 27, respectively. It is slidably attached under the force of compression coil springs 32 and 33 at an angle of 55°. The lowest position of each shoe (for installation is 2g iron)
, 29, a bottle holding stopper 5 is attached to the top of each of the bottles.
7.38 and hisspacer ring 59.1iO.

The front end of the rear shoe 27 ensures that the rear shoe 27 is on or level with the front shoe 23, so that the cap 7 is free from the front shoe 25 when carried together by the moving container 5. -27) It is desirable to include a protruding ledge 112 to ensure smooth passage of each closure cap 7.

For smooth feeding into and out of the chute end 6 of the cap, the chute end 6 is mounted for rotation around the vertical pin 43 and the horizontal pin i+q so that the chute The end is free to swing upwardly if necessary against the force of a coil spring 115 located on the chute end locating bolt 46.

7 and 8 show another embodiment of the cap applicator 1 according to the invention. This embodiment has an enlarged rear shoe 50 which provides an additional leveling effect to the moving closure cap 7. . Additionally, another holddown arm 51 is attached to the cap applicator frame 52. The arm 51 includes a hold-down drag 53 extending from the rear end of the extended rear shoe 5o to the inlet end of the main seal seal head 511.

This additional hold down drag 53 ensures a tight initial cap installation and 2. More importantly, it prevents the attached cap 7 from slipping out of the container 5 before the cap 7 is engaged by sealing means such as a laterally spaced fixed shoe 55 and a moving sealing belt 56. That's true. A compression spring 57 on the attachment bracket of the additional hold-down arm 51 and drag 55 raises the arm 51 in the event of a bent or damaged closure cap 7 due to improper cap installation.

The presence of a bent or damaged cap 7 is also detected by the use of a damaged cap detection arm 5g which is pivot mounted at the rear end 52 of the support frame 52. This arm is 5g.

A bent or other improper installation will activate an appropriate switch (not shown) to activate the necessary alarm or shutdown device when the cap engages its detection arm.

FIG. 4 shows the cap 7 in the container 5 engagement position at the cap chute end 6. The closure cap 7 is connected to the spaced track plate 16 and the shim 22 by means of a resiliently mounted cap engagement button 20. It is removably held in between. The center key 7 in FIG. 4 shows the initial rotational action applied to the closure cap 7 moved by the hold-down drag of the front shoe 23 or the wiper 25. The cap on the right side of FIG. The cap 7 is attached to the hold-down drag of the rear shoe 27 or the wiper 2.
6 is rotated into the finger-tight position of the container 5.

The vertical position of the lower end of the cap chute end 6 is.

This is determined by a removable shim 62 as shown in FIG. The shim 62 is rotated in a clockwise direction (see FIG. Decide on limits. Shim 62 can be replaced as needed.

The slightly modified plate member 61I is at the level of the rim of the container 5.
It is arranged on the underside of the upper chute end 6.

The plate member 611 acts as a product dropper or micro-pusher to prevent the product from reaching a harmful distance above the rim of the container 5.

Front shoe 2'5 cap drag wine size 25
is preferably positioned as shown to engage the top of the closure cap 7 for all common closure sizes. Wiper 2 of rear shoe 27
6 is used as described above on top of the closure cap 7 for larger size closures such as 55-82 cm. However, about 27-1
For small logure caps like 18m.

It is desirable that the wiper be arranged so as to engage with the skirt of the closure cap 7 as a side wiper.

FIG. 5 is a vertical sectional view of the cap/big amplifier point, showing the cap holding button 20. Each of the buttons 20 is mounted on a vertical shaft 60 within a C-shaped holder 61 - and the holder 61 is biased inwardly by the force of the holder mounting leaf spring 21 .

FIG. 6 shows the action of the first tursidaran drag 25 and shows the position of the drag 25 which applies a drag or rotational force to the outer edge of the cover of the cap 7. FIG.

Above the effects of the invention, an excellent high-speed cap applicator for attaching a closure cap to a high-speed linear sealing machine has been described.

Compared to conventional closure cap applicators, the closure cap applicator of the present invention can more smoothly attach a cap to a moving container without causing damage due to bending of the cap, and also allows for the closure cap applicator to be attached to a moving container more smoothly than the conventional closure cap applicator. Works satisfactorily for narrow arrays of containers. Furthermore, an advantageous cap applicator according to the present invention has a simple structure that can be continuously observed by the machine operator.

This simple design has the advantage of omitting the cap reversing rubber and cap support magnet fil commonly used in conventional cap applicators.

Without departing from the spirit and scope of the invention.

Since various changes may be made in the form, construction, and arrangement of the parts described in one or more manner without sacrificing all of its advantages, all material herein is illustrative only and is not meant to be limiting. It is understood that this is not the case.

[Brief explanation of the drawing]

FIG. 1 is a front view of a cap applicator according to the present invention. FIG. 2 is a plan view of the cap applicator shown in FIG. 1. FIG. 2 is a vertical cross-sectional view taken along line 2--2 in FIG. FIG. 4 is a partial plan view of a cap applicator according to the present invention. 5 and 6 are vertical cross-sectional views taken along lines 5-5 and 6-6 of FIGS. 1 and 6, respectively. FIG. 7 is a front view of another illustrative embodiment of a cap applicator according to the present invention. FIG. 8 is a plan view of the cap applicator of FIG. 7;

Claims (1)

[Claims] 1. A cap applicator comprising a cap supplying chute equipped with a cap support track and a plurality of cap leveling shoes each equipped with a cap rotation wiper, wherein above the cap track, centered on the cap chute end and arranged in conjunction with said cap track to hold the endmost cap in an inclined position at the cap chute end and to keep the skirt of the most extreme cap above the container. A cap applicator comprising a cap-engaging screw or a cap-cover contacting member that engages the container at the container finish on the top of the lug member. 2. an axis in which the cap sheet ends are arranged laterally of the cap chute ends in a perpendicular relationship to each other;
2. The cap applicator of claim 1, wherein the cap applicator is mounted for pivoting about another axis extending upwardly from the cap chute end. 3. further comprising resilient means for biasing said cap chute end to swing downward and moving said cap open end upwardly against the force of said resilient means; 3. The cap applicator of claim 2, further comprising a removable shim for limiting the downward swing of the open end of the cap. 4.Furthermore, a front shoe for attaching the cap and a rear shoe for leveling the cap, elastic means for attaching these shoes to the frame of the cap applicator in a series position, and for adjusting the lowest position of the shoe. A cap applicator according to claim 1, characterized in that the cap applicator comprises the following means. 5. The cap applicator according to claim 1, wherein each of the shoes is equipped with a friction cap wiper. 6. The cap applicator of claim 5, wherein the wiper has a downwardly directed friction surface that engages an off-center portion of the top of the closure cap. 7. Claim 5, wherein the wiper of the front shoe has a downward friction surface and an inward surface that engages with a skirt portion of a closure cap to which the wiper of the rear shoe is attached. Cap applicator as described in section. 8. A patent further comprising an additional cap hold-down means pivotally mounted on the rear end of the rear shoe and having a friction turn-down wiper for further engaging and retaining the closure cap on the container thread. A cap applicator according to claim 1. 9. Claims characterized in that the cap applicator consists of an elongated frame member extending centrally thereof and disposed on both sides over the inside of the shoe so that the shoe is visible to the operator. Cap applicator according to paragraph 1. 10. The cap applicator according to claim 4, wherein the means for adjusting the lowest position of the shoe comprises a metal spacer removably disposed on the shoe mount. 11. The cap applicator according to claim 1, further comprising a product reduction inclined plate attached to the lower surface of the chute end. 12. The cap applicator of claim 1 further comprising a pivoted curved cap detector. 13. A cap applicator consisting of a cap feed chute end, a cap applicator having a cap support track on the cap chute end and a plurality of cap leveling shoes each having a wiper for rotating the cap. , disposed above the cap track, centered on the cap chute end, and disposed in conjunction with the cap track to hold the endmost cap in an inclined position at the cap chute end; a cap cover contact member for engaging the skirt portion of the distal cap to the container at the container cap engagement screw or container finish on the top of the lug member; said chute end disposed laterally of the cap chute end; two mutually perpendicular shafts, one shaft extending upward from the end of the cap chute, and the other shaft extending upwardly from the end of the cap chute.
an elongated frame member extending centrally of the cap applicator and having opposite sides disposed inwardly of and over the opposite sides of the cap applicator; a cap applicator comprising: a front shoe for attaching a cap and a rear shoe for leveling the cap, which are elastically attached to the frame member; and a cap wiper attached to each of the shoes for rotating the cap on the container. 14. further comprising resilient means for biasing said cap chute end to swing downward and moving said cap open end upwardly against the force of said resilient means; 3. The cap applicator of claim 2, further comprising a removable shim for limiting the downward swing of the open end of the cap. 15. The cap applicator of claim 15, wherein the wiper has a downwardly directed friction surface for engaging an off-center portion of the top of the closure cap. 16. Claim 1, wherein the wiper of the front shoe has a downward friction surface and an inward surface that engages with a skirt portion of a closure cap to which the wiper of the rear shoe is attached. Cap applicator described in Section A. 17.Furthermore, a pivot is attached to the rear end of the rear shoe,
and further engage the closure cap with the thread of the container,
14. A cap applicator as claimed in claim 13, characterized in that it comprises additional cap hold-down means having a frictional turn-down wiper for retention. 18. The cap applicator of claim 13, wherein the means for adjusting the lowest position of the shoe comprises a metal spacer removably disposed on the shoe mount. 19. The cap applicator according to claim 13, further comprising a product reduction inclined plate attached to the lower surface of the chute end. 20. Claim 13 further comprising a pivot-held curved cap detector.
Cap applicator as described in Section.