JPH0447049Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention is applicable to a cam mechanism for selecting the position of glue injection timing for a vertical cartoning machine, more specifically, for pharmaceuticals,
This invention relates to a cam mechanism for selecting the timing position for spraying glue on the case flap according to the case size when various products such as confectionery are placed in a case and the case flap is automatically glued and sealed using a vertical cartoning machine.

[Conventional technology]

In general, a vertical cartoning machine (hereinafter simply referred to as a "cartoner") has a case conveying mechanism section 1 that is approximately U-shaped in plan, as shown in FIG.
The lower flap folding mechanism section 2a and the upper flap folding mechanism section 2b are arranged at substantially opposite positions with a predetermined interval, and a case detection micro switch for lower flap gluing is installed in the lower flap folding mechanism section 2a and the upper flap folding mechanism section 2b, respectively. 3a,
A case detection micro switch 3b for gluing the upper flap, a glue gun 4a for the lower flap, and a glue gun 4b for the upper flap are attached, and are further connected to the micro switches 3a and 3b near the lower flap folding mechanism 2a to detect the gluing. gun 4a,
A cam mechanism section 5 for operationally injecting the fuel 4b is provided.

Therefore, the automatic gluing and sealing of the case flap by such a cartoner is performed by the above-mentioned micro switch 3.
When a and 3b detect that the transport case has reached the lower and upper flap folding mechanisms 2a and 2b, the cam mechanism 5 is actuated, and glue guns 4a and 4b sequentially apply glue to the lower flap surface to the upper flap surface, respectively. is injected and carried out.

By the way, when automatically gluing and sealing case flaps using a cartoner, case sizes vary depending on the product (medicines, confectionery, etc.), so each time the case is changed, it is necessary to adjust the size of the case used, especially the flap size. It is necessary to adjust the timing position of the glue injection by the glue gun.

In such a case, conventionally, such adjustment and setting of the glue injection timing position was carried out by the cam mechanism section 5, but the conventional cam mechanism section 5 simply attached a cam to the cam shaft to operate the micro switch for glue gun injection. It was nothing more than something.

Therefore, conventionally, when trying to adjust the glue injection timing position, it is necessary to use some "intuition" and actually drive the cartoner, repeatedly passing the sample case, and placing the cam recess in the best position relative to the glue gun injection micro switch. The actual situation was that the cam was attached and fixed to the camshaft at that position after confirming that.

[The problem that the idea aims to solve]

However, the inefficiency of checking the position and selecting the glue injection timing position by repeatedly running sample cases is quite obvious, and it is extremely easy for anyone to select the glue injection timing position that corresponds to the case size. There was a strong desire for a device that could obtain this information.

Therefore, in order to meet such requests, the inventor of the present invention
As a result of various studies, we have devised the cam mechanism of the present invention, which can select the glue injection timing position extremely advantageously without making any major changes to the conventional cartoner mechanism.

[Means to solve the problem]

That is, the present invention provides a glue for a vertical cartoning machine, characterized in that a micro-switch operating cam for glue gun injection is attached to the camshaft so that the operating position can be adjusted in rotation, and a scale board for selecting the cam operating position is attached. This is an injection timing position selection cam mechanism.

〔Example〕

The present invention will be further explained below with reference to drawings showing embodiments.

Reference numeral 51 denotes a camshaft, and its driving source can be the cartoner main body driving source.

On this camshaft 51, a lower glue gun operating cam 53a and an upper glue gun operating cam 53b, which respectively operate lower and upper glue gun injection microswitches 52a and 52b, are attached to a set screw 54.
A and 54b are attached so that the position of the cam recess can be rotated and adjusted. The lower and upper glue gun injection microswitches 52a and 52b are arranged so as to be operated by contact with the concave portions of the cams 53a and 53b and cause the glue guns 4a and 4b to spray glue, as in the conventional case. It is something that exists.

The cam shaft 51 further includes a cam 53.
A scale board 55 for selecting the operating position of cams a and 53b is attached adjacent to the cam. The scale disk 55 has a substantially semicircular shape, and is attached with appropriate scales on its peripheral end surface, with the scales corresponding to the rotational adjustment range of the cam recess position. Note that one scale plate 55 may be attached between the two cams 53a and 53b, or two scale plates may be attached to each of the cams 53a and 53b.

[Effect]

Since the present invention is constructed as described above, if this is used in place of the conventional cam mechanism of the cartoner, the timing position of the glue injection will be the same as the conventional cam mechanism at the time of initial adjustment, and the concave portion position of the cams 53a and 53b. Glue gun injection micro switch 52a, 52b
Rotate the set screws 54 and 54.
Temporarily fix the cams 53a and 54b to the camshaft 51 with the cams 53a and 54b, then operate the cartoner, flush the case, finely adjust the rotation of the cams 53a and 53b to the best position for the glue injection timing, determine the final position, and then tighten the set screw. It is set by fixing at 54a and 54b.

Therefore, by adjusting the rotation of the cam for each case and reading the best timing position for each case on the scale board 55 in advance, from the next time onwards, the best timing position for the glue injection can be determined according to the case size. The timing position can be immediately selected by the scale board 55.

[Effect of idea]

Accordingly, according to the present invention, it is possible to read the best timing position for spraying glue for various sizes in advance, so even if the case to be used is changed after that, there is no need to actually repeat the process of spraying the case. Therefore, it is possible to immediately select the best timing position according to the case without any trouble, and extremely efficient switching work is possible.

[Brief explanation of the drawing]

FIG. 1 is a schematic plan view of the cartoner, FIG. 2 is a perspective view of the glue injection timing position selection cam mechanism, and FIG. 3 is a perspective view of the glue injection timing position selection cam mechanism with a scale plate attached.

Claims (1)

[Scope of utility model registration request] A glue injection timing position selection cam for a vertical cartoning machine, characterized in that a micro switch operating cam for glue gun injection is attached to the camshaft so that the operating position can be adjusted in rotation, and a scale board for selecting the cam operation position is attached. mechanism.