JPS6381760A - Automatic packing method for dry cell - Google Patents

Abstract

PURPOSE:To pack cylindrical dry cells automatically to improve productivity, by putting a reference mark at a prescribed position of an outer surface of a dry cell and arranging dry cells to a prescribed packing posture based on the mark. CONSTITUTION:A dry cell 1 is rotated by a rotating means 7 in the state that it is held at a prescribed position, at the same time a mark sensing means 8 senses a reference mark 3 to stop the rotating means 7 so that a direction of an indication M on the outer surface of the dry cell 1 is arranged to a prescribed packing posture. Then, a plurality of the dry cells arranged to the packing posture are disposed at one side of a base paper sheet 12 and unrotatingly fixed and packed on the base paper sheet 12 by a transparent shrink film which is shrunk and deformed by heat. As a result, an overall cell production line can be mechanized so that restriction of an operating time due to a human factor and dispersion of a processing time are eliminated, whereby productivity as a whole is improved and cost for producing dry cells is reduced.

Description

[Detailed description of the invention] [Industrial application field] This invention relates to an automatic packaging method for cylindrical dry batteries.

In particular, the subject matter is dry cell batteries that are packaged in such a way that the design on the surface of the dry cell battery can be seen through the packaging material.

[Conventional technology]

For example, Utility Model Publication No. 52-149 was created by placing multiple dry batteries on a mount and wrapping and fixing the batteries and the mount at the same time with a tube made of shrink film to facilitate display.
It is publicly known from 03 publication.

In this type of packaging, by packaging with a transparent shrink film, the type, size, etc. of the packaged battery can be seen through. for that.

It is necessary to package the batteries so that the design and specifications of the batteries are aligned in a certain direction.

[Problem that the invention seeks to solve]

As mentioned above, it is difficult to mechanize the process of aligning a plurality of dry cell batteries in the same packaging position because there are a wide variety of battery types and each one has a different external design, so conventionally it has generally been done manually. for example.

Even for batteries of the same size, there is no uniformity as the external design differs between regular type and long life type, or manganese battery and alkaline battery.

Therefore, conventionally, the packaging process required a lot of manpower.

Since most of the processes before packaging have been mechanized, the packaging process has become a bottleneck on the battery manufacturing line, and has been a major obstacle to improving productivity.

The present invention aims to improve productivity and reduce battery manufacturing costs by automating the packaging of cylindrical dry batteries.

[Means for solving problems]

In the present invention, a reference mark 3 is provided at a prescribed position on the outer surface of the dry cell battery 1, and the direction of the outer surface display M of the dry cell battery 1 is aligned with a predetermined packaging posture using the mark 3, thereby realizing packaging automation. In other words, even if the external design of the dry battery 1 is diverse, the packaging posture of the dry battery 1 can be determined mechanically by detecting the reference mark 3 by the mark detection means 8.

Specifically, as shown in FIG. 1, the dry battery 1 is rotated by the rotating means 7 while being held in a predetermined position, and at the same time, the reference mark 3 is detected by the mark detecting means 8 and the rotating means 7 is stopped. The orientation of the external display M of the dry cell battery 1 is aligned in a predetermined packaging posture. After this.

A plurality of dry batteries 1 are placed on one side of a mount 12 while aligned in the packaging orientation, and the packaging body 14 made of a transparent shrink film is deformed by heat shrinkage.

A dry battery 1 is packaged and fixed to a mount 12 so as not to rotate.

)5 t4q mark 3 is a reference mark on the design or an external display of designed figures or letters M
It is desirable that the design effect of the design is not hindered.

From this point of view, it is preferable to form the reference mark 3 with an infrared light-emitting paint or an ultraviolet light-emitting paint that is sensitive to light other than visible light such as infrared light or ultraviolet light.

After aligning the orientation of the external display M of the dry cell battery 1 to a predetermined packaging posture, it is necessary to maintain the posture of the dry cell battery 1 until it is wrapped and fixed in a non-rotatable manner in the packaging body 14. In particular, in the case of a cylindrical dry battery 1, it is easy to roll in the circumferential direction, and the direction of the outer display M changes even with a slight external force. As shown in FIGS. 2 and 3, the holding means 5 for preventing this is capable of holding the dry battery 1 in its posture by attracting the end face of the negative pole side of the dry battery 1 and its circumferential surface with a magnet 6. A similar problem also occurs when the dry battery 1 is placed on the mount 12. For example, by forming the adhesive layer 13 on the battery fixing position of the mount 12 and temporarily fixing the dry battery 1 by adhering it to this.

It is possible to prevent the direction of the external display M from changing.

〔Example〕

1 to 5 show a first embodiment of the invention.

In Figure 1, 1 completed battery] is chute 2.
Packed in ]1 will be sent to you. In this state, a reference mark 3 has already been printed on one location on the outer surface of the dry battery 1.

In FIG. 2, the reference mark 3 is formed, for example, in a band shape over the entire length of the circumferential surface of the dry battery 1 in the longitudinal direction.

Printing was done using infrared emitting paint so as not to interfere with the design effect of external displays such as patterns and letters.

At the end of chute 2, two adjacent dry batteries 1
is pushed out in a direction orthogonal to the chute 2 with a bush rod 4, and the dry battery 1 is held in a pair of holding means 5 having a U-shaped frame shape. In FIG. 3, the holding means 5 is connected to a pair of opposing side walls 5.
A magnet 6 is fixed to the free ends of the two side walls 5a and the inner surface of the end wall 5b. The end wall of the dry battery 1 on the negative pole side and two peripheral walls are attracted to each other and held in a horizontal position. After feeding the dry battery 1 into this holding means 5,
The bushing rod 4 returns to its original standby state.

In order to align the orientation of the outer display of the dry battery 1 held by the holding means 5 in a certain direction, the dry cell 1 is rotated at least once by the rotation means 7, and at the same time, the reference mark 3 is rotated to a predetermined position by the mark detection means 8. This is detected, and the drive of the rotating means 7 is stopped based on this detection operation.

In FIG. 2, the second rotation means 7 is a cone-shaped chuck 7.
After the bushing rod 4 returns to the standby state, the chuck 7a is pressed against the edge of the positive pole side of the dry cell battery 1, and the clamping force of the magnet 6 is used to Rotate the dry battery 1 while resisting.

The mark detection means 8 consists of a light emitting body 8a having an infrared light emitting diode as a light emitting element and a light receiving body 8b having a phototransistor as a light receiving element. When the dry battery 1 is rotated and the reference mark 3 moves to the focal point, this is detected by the photoreceptor 8b, and the signal is sent via the control circuit 9 based on the output signal from the photoreceptor 8b. Motor 7b is stopped. In this state, the outer display M of the dry battery 1 is facing directly upward.

At the stage when the left and right dry batteries 1 are aligned, that is, the driving of the rotating means 7 provided corresponding to each holding means 5 is stopped.
With the chuck 7a returned to the standby position, the one-car holding means 5 is moved onto the mount line 10 using a transfer member (not shown). Even during this movement, the dry battery 1 is held non-rotatably by the magnet 6 of the holding means 5, so that it maintains its normal packaging posture even when external forces such as impact force or inertial force are applied.

The mount 12 is continuously fed with its orientation aligned in a certain direction, and adhesive layers 13 for temporarily fixing the dry battery 1 in a non-rotatable manner are formed on the upper surface of the mount 12 at two places on the left and right sides. Holding means 5
is placed on the mount 12, and then one dry cell battery 1 is pressed with a pressing member (not shown) and adhesively fixed to the adhesive layer 13 (FIG. 4). By pulling out the holding means 5 to the side of the mount line 10 while maintaining this state, the dry battery 1 can be fixed to the mount 12 in the normal packaging posture.

Thereafter, a package 14 made of a transparent shrink film in the form of a bag or tube is placed on the outer surface of the dry battery 1 along with the mount 12, and passed through a tunnel furnace 15, whereby the package 14 shrinks and deforms, making the dry battery 1 unable to rotate. Fixed to. The puncture state of the dry battery 1 obtained in this way is the fifth
It will be as shown in the figure.

[Another example]

The reference mark 3 may be printed with an ultraviolet emitting paint 5. Correspondingly, the mark detection means 8 may be constructed of a light receiving element that is sensitive to ultraviolet light.

The mark detection means 8 can be composed of a photoreceptor 8b and a light source that projects natural light or white light.

A reference mark 3 is formed on the end face of the dry battery 1 on the positive or negative electrode side. Further, the reference mark 3 may be formed using ordinary paint.

The size and number of batteries 1 to be packaged and the packaging orientation such as vertical and horizontal directions can be freely set.

〔Effect of the invention〕

As explained above, in the present invention, the packaging position of the dry battery can be determined mechanically by applying the reference mark 3 on the surface of the dry battery 10 and detecting this with the mark detection means 8. The entire packaging process, from determination to integration with the mount 12 and packaging fixation with the packaging body 14, can be mechanized and automatically performed. Therefore, the battery production line can be mechanized consistently, eliminating constraints on work time and variations in processing time due to human factors, improving overall productivity, and reducing the cost required to manufacture dry batteries. can be achieved.

[Brief explanation of the drawing]

1 to 5 show embodiments of the present invention. FIG. 1 is a plan view schematically showing the packaging process. FIG. 2 is a plan view showing the principle structure of the rotation means and mark detection means. FIG. 3 is a perspective view of the holding means. FIG. 4 is a cross-sectional view showing the relationship between the mount and the dry battery. FIG. 5 is a front view showing the completed packaging of the dry battery. 1... Dry battery. 3...Reference mark. 5... Holding means. 6...Magnet. 7...Rotation means. 8...Mark detection means. 12... Mount. 14...Packaging body. Inventor 1) Patent applicant Hitachi Maxell, Ltd. Figure 5 Figure 2 Figure 4

Claims (2)

[Claims] (1) Hold a cylindrical dry battery 1 with a reference mark 3 at a specified position on the outer surface in a predetermined position, and while rotating the dry battery 1 in the circumferential direction with the rotating means 7 while maintaining the above-mentioned holding state, set the reference mark 3. The mark detection means 8 detects the mark and rotates the rotation means 7 based on the mark detection operation of the mark detection means 8.
stop the driving of the batteries 1, align the outer display M of the dry batteries 1 in a predetermined packaging orientation, place the plurality of dry batteries 1 on one side of the mount 12 while keeping them aligned in the packaging orientation, and then place the batteries 1 and the mount on one side of the mount 12. An automatic packaging method for a dry battery, in which the outer surface of a battery 12 is covered with a packaging body 14 made of a transparent shrink film, and then heated, and the dry battery 1 is wrapped and fixed in a non-rotatable manner with the heat-shrinkable packaging body 14. (2) The reference mark 3 is formed of a paint sensitive to infrared light or ultraviolet light excluding visible light.
Automatic packaging method described in section.