Measuring and testing – Inspecting
Patent
1994-09-30
1996-08-20
Chilcot, Richard
Measuring and testing
Inspecting
7386391, 7386392, G01M 1900, G01N 2190, B67C 0322, B65G 4308
Patent
active
055468195
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a bottle inspection machine that has a plurality of inspection sections that are arranged one behind the other and are used for different inspection tasks such as monitoring for size and correct type, for monitoring the walls, opening, and bottom; for monitoring residual contents as well as the stoppers, in particular bail-type stoppers. The bottles are moved through these inspection sections by one or a plurality of rotating bottle carriers that are arranged one behind the other and which have on their peripheries receiving points for the bottles, when they are inspected. It also has a sorting station that is arranged at the end of the inspection sections and moves the bottles to different conveyor sections depending on the results of the inspections, and a magazine that can be connected to the inspection sections, from which test bottles can be introduced into the inspection sections and, in particular, can be removed from the inspection sections once again and returned to the magazine, it being possible to short-circuit the beginning and the end of the inspection sections through a secondary conveyor section, thereby forming a closed circuit for the test bottles.
In modern inspection machines that are used in practice (prospectus from Holstein & Kappert GmbH, Vollinspektionsmaschine ALPHATRONIC [The Alphatronic Complete Inspection Machine] AL/684.1.5d/Howa; prospectus from Krones GmbH, Inspektionstechnik [Inspection Technology] (5000 d 04/87), the systems used for the various checks are arranged on one or a plurality of inspection sections that are arranged one behind the other and formed from rotating bottle carriers with receiving points for the bottles on their peripheries. In order to carry out periodic checks on the correct operation of such systems, provision is made such that different test bottles can be introduced into the system, and the results of such inspections checked. It is customary that a large number of test bottles pass through the machine in order to complete such a system test. Since the test bottles are introduced by hand and the test bottles that are singled out at the end of the inspection sections have to be removed once again by hand, a considerable effort is required on the part of operating personnel.
The patent literature (DE-A1 33 24 449) describes a bottle inspection machine of the type described in the introduction hereto. In contrast to the inspection machines that are used in practice and which have been described, these are distinguished in that in this machine the bottles do not have to be introduced into the inspection sections by hand. In the case of this bottle inspection machine, which has a single rotating bottle carrier having receiving points arranged on its periphery and which delivers the bottles through an input side conveyor belt and removes them by way of an outlet side conveyor belt, and a conveyor belt branches off from the outlet side conveyor belt, and this opens out into the inlet side conveyor belt. Test bottles for a system test can be held at readiness on this conveyor belt. Thus, this conveyor belt forms a magazine for the test bottles. In order to be able to carry out a system test, test bottles are introduced into the inspection section with the barriers on the conveyor belt set in the appropriate positions and, after passing through the inspection machine, are returned from the outlet side conveyor belt onto this conveyor belt. The test bottles can pass through the inspection machine several times. An additional return of the test bottles is effected by way of an additional secondary conveyor section that starts from the rotating bottle carrier and includes a sorting station and opens out into the first secondary conveyor section. Thus, during a system test, a distinction is made between flawed and unflawed bottles and the flawed bottles are returned to the circuit through the sorting station. When this is done, it is important that in the case of the flawed and the unflawed bottles an originally established se
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Chilcot Richard
Dombroske George M.
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