JPH0739631Y2 - Cardboard box assembly equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Field of Industrial Application The present invention relates to improvement of an apparatus for assembling a wide variety of cardboard boxes with one type of line.

(2) Prior Art First, the technical background of the present invention will be described with reference to FIGS. 1 to 4.

A cardboard box is generally used by being folded and transferred in a plate shape, assembled into a box shape, storing a product therein, and then packing the product.

FIG. 1 shows a schematic plan view of the corrugated cardboard box assembling apparatus 1. In FIG. 1, 2 is an opening device for the corrugated cardboard box 3, which is a plate-shaped cardboard box 3 carried by the apparatus 2.
Is formed in a box shape in a state of being overturned as shown in FIG.

Reference numeral 4 denotes a flap folding device of the cardboard box 3, one flap of the cardboard box 3, for example, a flap 5 forming a bottom portion.
Is folded as shown in FIG. 3, and an adhesive is applied to a pair of flaps folded inside.

A bottom part forming device 6 of the cardboard box 3 is a device for pinching the bottom part 7 of the cardboard box 3 to which the flap 5 forming the bottom part is folded by the flap folding device 4 and the adhesive is applied, and the adhesive strength thereof is further ensured. And comprises a cardboard box transport device 8, a bottom pressing device 9, and a bottom receiving device 10.

The cardboard box transporting device 8 is composed of a roller conveyor 11 and a chain conveyor 12 provided on the roller conveyor 11 as shown in FIG. 4, and has a function of transferring the cardboard box 3 in a horizontal state at regular intervals.

The bottom pressing device 9 includes a pair of chains 13, a support member 15 installed so as to connect the chains 13 and slidably supporting a bottom pressing member 1 of a cardboard box 3 described later, and a bottom 7 of the cardboard box 3 inside thereof. It is composed of a T-shaped bottom pressing member 14 that presses from the bottom, and a cam mechanism 16 that engages with the bottom pressing member 14 and is configured to be movable.

The bottom receiving device 10 of the cardboard box 3 comprises a frame 17 and a roller 19 which is rotatably arranged on the frame 17 via a spring 18.

Thus, as shown in FIG. 3, when the flap 5 forming the bottom is folded and the cardboard box 3 coated with the adhesive is supplied to the bottom forming device 6, the bottom pressing member of the bottom pressing device 9 is pressed.
The corrugated cardboard box 3 is elastically clamped by the bottom 7 of the corrugated cardboard box 3 while being transferred by the transporting device 8 by the 14 and the bottom receiving device 10, and the bottom 7 of the cardboard box 3 is firmly bonded and sent to the next step.

(3) Problems to be Solved by the Invention In the cardboard box assembling apparatus 1 described above, the bottom pressing member 14 of the conventional cardboard box 3 has a rod-shaped frame 20 forming the main body as shown in FIG. A flat plate member 21 is fixed in a T shape, and a rectangular pushing plate 22 that abuts the bottom portion 7 of the cardboard box 3 is bolted to the plate member 21.
It was attached with nuts 23 and 24. The push plate 22 needs to be replaced according to the size of the cardboard box 3, that is, the size of the bottom area, and its mounting means is bolts and nuts 23, 24.
Therefore, in combination with the number of installations, the replacement work required a great deal of time.

In particular, recently, there is a strong tendency for high-mix low-volume production, and a wide variety of cardboard boxes must be assembled on a single line. It is important to change the assembly line in a short time in order to deal with them. Therefore, it was a problem that had to be solved.

In consideration of the current situation, the inventor of the present application has found that the push plate 22
Note that only the bottom of the cardboard box 3 is pressed, and no tensile force acts between the push plate 22 and the plate member 21. If the push plate 22 and the plate member 23 are attached by magnetic force, the attachment / detachment is short. The present invention has been completed based on the knowledge that it is possible in time.

That is, the present invention is a cardboard box assembling apparatus for assembling a cardboard box while sandwiching the flap, which is applied with an adhesive and folded, with a roller and a bottom pressing device, in which the bottom pressing device is formed by a frame and a flat pressing plate, It is a cardboard box assembling apparatus characterized in that they are detachably configured by magnetic force and the push plates are exchanged according to the type of the cardboard box.

(4) Specific Means for Solving the Problems In FIGS. 6 to 8, reference numeral 30 denotes a bottom pressing member according to the present invention, which is composed of a frame 31 and a pressing plate 32.
A plate member 34 is fixed to the tip portion 33 thereof and has a T shape as a whole, and a magnet 35 is installed on the plate member 34.

The magnets installed on the plate member 34 may be strong enough to hold the push plate 32. Even if only one magnet 35 is used, the purpose can be achieved, but a plurality of magnets 35 can be dispersed to form the same plane. It is more preferable to install it in the stability of holding power.

Further, the means for attaching the magnet 35 to the plate member 34 may be screwed through the cover 36 as shown in FIG. 8, or other direct screwing or welding may be used.

On the other hand, the push plate 32 is made of a plastic material such as vinyl chloride, and the iron piece 37 is disposed at a position corresponding to the magnet 35 attached to the plate member 34 as described above, which is lightweight and preferable in handling. Of course, the object can be achieved even if the entire push plate 32 is made of a magnetic material such as an iron plate. Further, it goes without saying that the plate member 34 may be simply formed of iron material and the magnet 35 may be installed on the pressing plate 32.

Then, the pin 38 provided on the plate member 34 engages with the pin hole 39 formed in the push plate 32, and has the function of keeping the relative position of the plate member 34 and the push plate 32 constant.

Therefore, in the present invention, it is only necessary to prepare various types of push plates 32, manually remove the push plate 32 from the plate member 34 of the bottom pressing device 14 according to the type of the cardboard box 3, and attach the desired one. .

(5) Effect of the Invention As described above, in the invention of the present application, since the push plate can be easily attached and detached in a short time, it is possible to quickly respond to the change of the cardboard box in the assembly line and improve the productivity. .

[Brief description of drawings]

FIG. 1 is a schematic plan view of a cardboard box assembly apparatus, FIGS. 2 and 3 are perspective views of the cardboard box, FIG. 4 is a view taken along line 4-4 of FIG. 1, and FIG. FIG. 6 is a plan view of a conventional bottom pressing member, FIG. 6 is a plan view of a bottom pressing member according to the present invention, FIG. 7 is a 7-7 view of FIG. 6, FIG. 8 is a 8-8 view of FIG. Figures are shown respectively. In the drawings, 1 is a cardboard box assembling device, 2 is a cardboard box opening device, 3 is a cardboard box, 4 is a flap folding device, 6 is a bottom forming device, 8 is a cardboard box conveying device, 9 is a bottom pressing device, and 10 is a bottom part. Receiving device, 14 and 30 are bottom pressing members, 20 and 31 are frames, 21 and 34 are plate members, and 22, 32
Is a push plate, and 35 is a magnet.

Claims (1)

[Scope of utility model registration request] 1. A cardboard box assembling apparatus for assembling a cardboard box while sandwiching a flap applied with an adhesive agent and folded by a roller and a bottom pressing device, wherein the bottom pressing device is formed of a frame and a flat pressing plate, A cardboard box assembling device characterized in that they are detachably configured by magnetic force and the push plate is replaced according to the type of the cardboard box.