JP2515193Y2 - Opening machine - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention relates to a bag opening machine, in which the lower side of the wide sealing part is rotated while sliding the sealing part of the bag along the cut groove. It is designed to be cut by.

(Prior Art) Known as an opening machine is one in which an envelope is slid along a guide groove of a main body case, and a sealed blade is cut by a rotary blade provided inside the guide groove to open the envelope. There is.

The above-mentioned opening machine is for opening an envelope in which letters are enclosed, and cuts it very shallowly along the edge of the sealed part of the envelope so as not to accidentally cut the letters inside. It has become.

(Problems to be solved by the invention) By the way, in recent years, bags in which foods such as sprinkles and pickles are enclosed have become widespread. In such a bag, a notch for opening is generally formed on the lower side of the seal portion, and the bag is opened by holding the bag at a fingertip and tearing from the notch.

However, according to such a method, it is difficult to straightly cut along the lower side of the seal portion, and there are some bags which do not have the above-mentioned notch portion, which makes it difficult to open.

Therefore, it is conceivable to apply the envelope opening machine as described above to configure a bag opening machine in which foods and the like are enclosed. However, such a bag has a fairly wide seal portion in order to ensure the tightness of food, and in order to open the bag, a deep position below the seal portion must be cut.

However, depending on the conventional opening machine, it is not possible to cut deeply along the lower side of the seal portion as described above, and only a shallow portion can be cut. Moreover, since this type of bag is generally quite stiff, it is difficult to smoothly slide it toward the rotary blade.
If the bag is filled with liquid, the liquid will flow out when the bag is opened, and the liquid will contaminate the components and make them dirty, as well as the main body case that houses the drive system and transmission system such as the motor. There is a risk that it may flow into the interior of the and cause a failure.

Therefore, an object of the present invention is to provide an opening machine that can easily open a bag having a wide sealing portion such as a food bag.

(Means for Solving the Problem) To this end, the present invention comprises a main body case 1 and a cover case 2 detachably attached to the main body case 1,
Inside the main body case 1, a motor 23 and a power transmission means 24 for the power of the motor 23 are arranged, and the power transmission means 24 is provided.
The two long rotary shafts 26, 26 extending from the cover case 2 to the cover case 2 are provided, and rotary blades 27, 27 are attached to the tip ends of the rotary shafts 26, 26, respectively, and the cover case 2 A groove 9 for slidingly guiding the seal portion 41 of the bag 40 is formed between the two rotary shafts 26, 26 and the rotary blades 27, 27 on the outer wall surface of the cover case 2, and the groove 9 of the cover case 2 is formed. A water removal hole (10) is formed on a side wall surface different from the outer wall surface on which the opening is formed to constitute an opening machine.

(Operation) In the above configuration, if the opening machine is held by one hand and the bag 40 is held by the other hand and the seal portion 41 of the bag 40 is slid along the cut groove 9, the seal portion 41 The lower side is the rotary blade 27,27
Is cut by

In this case, the seal portion 41 is guided by the kerf 9,
Since it slides between the rotary shafts 26, 26 extending long from the main body case 1 to the cover case 2, the rotary blades 27, 27 cut the deep position below the seal portion 41.

At this time, even if the liquid contained in the bag 40 is accidentally blown out, the drainage hole 10 is formed on the side wall surface of the cover case 2 different from the outer wall surface on which the cut groove 9 is formed. It is possible to avoid backflow infiltration to the side.

(Example) Next, the Example of this invention is described, referring drawings.

1 is an exploded perspective view of the opening machine, FIG. 2 is a side view, 1 is a substantially disk-shaped main body case in which the right case 1a and the left case 1b are joined, and 2 is a vertical side wall of the main body case 1. It is a cover case that is detachably attached to the section 3. This opening machine is often used in a place around water such as a kitchen, and therefore, for waterproofing, the left and right cases 1a and 1b are watertightly coupled via a packing or by a welding means.

From one side part of the side wall part 3, a substantially semi-cylindrical cover body 4a, 4
b is detachably mounted or integrally projected. The cover bodies 4a and 4b are joined to each other to form a cylindrical shape, and the joint surface has a seal portion 41 of the bag 40 (see FIG. 3).
The sliding guide groove portion 5 is secured, and the rotary blades 27, 27 are arranged inside thereof.

The cover bodies 4a and 4b prevent the seal portion of the bag 40 having a weak waist from wobbling near the rotary blades 27 and 27, and remove the cover case 2 from the main body case 1 to clean the inside. When it comes to rotary blades 27,2
This prevents the blade edge of 7 from being exposed, and therefore the rotary blades 27, 27 are doubly protected by the cover case 2 and the cover bodies 4a, 4b. A water drainage port 7 for washing with water is opened on the body surfaces of the cover bodies 4a, 4b. Reference numeral 8 denotes a push-type switch button provided on the side wall surface of the main body case 1. Of course, it is also possible to use a switch that closes in response to the insertion of the seal portion 41 into the slide guide groove portion 5. In this case, it is possible to open and close the switch with the bag 40 while holding both ends of the bag 40 to be opened by hand, and it is possible to open the bag with a relatively heavy weight with both hands.

The cover case 2 is detachably attached to the main body case 1 so as to cover the cover bodies 4a and 4b. The cover case 2 has a substantially mountain shape protruding from the main body case 1 in a cusp shape, and a cut groove 9 is deeply cut out along the outer wall surface thereof. The cut groove 9 guides the sliding of the seal portion 41 of the bag 40, is in the same vertical plane as the groove portion 5, and has a width so that the seal portion 41 can be easily introduced.
The width t1 is slightly larger than the width t2 of the groove 5, and the upper portion 9a
Has a taper shape (see also FIG. 4). Further, on the side wall surface of the cover case 2 different from the outer wall surface in which the cut groove 9 is formed, there are provided elongated drain holes 10 for facilitating washing with water.
Is formed into a strip. In FIG. 2, reference numeral 12 is a disk-shaped magnet mounted on the side wall surface of the main body case 1, which is convenient for adsorbing and storing on a wall surface of a refrigerator when not in use, and is a heavy bag. It is possible to position the cover case 2 of the main body case 1 on the wall surface of the refrigerator so that the cover case 2 faces downward when being held by both hands and opened.

FIGS. 3 to 5 show the internal structure.
Is a holder for the power supply battery 22 formed in the lower part of the main body case 1, and a battery lid 1c is openably and closably attached to the lower rear surface of the main body case 1. The power supply unit may be a dry battery, a rechargeable battery, or the like.

23 is a motor disposed between the battery 22 and the wall 3;
Reference numeral 24 is a power transmission means of the motor 23 including a gear 25.
Reference numerals 26 and 26 denote two rotary shafts extending from the transmission means 24 to the cover case 2, and the rotary blades are provided at the tips thereof.
27,27 are installed. The rotary shafts 26, 26 are long, and the depth L from the rotary blades 27, 27, which is the cutting depth of the bag 40, to the bottom of the kerf 9 is considerably large, for example, about 25 mm. The blades 27, 27 are housed in the upper portion of the cover case 2 protruding from the main body case 1 in a pointed manner.

FIG. 6 shows the structure near the base end of the rotary shaft 26. Reference numeral 30 is the chassis of the transmission means 24, and 3 is the wall portion. The rotating shaft 26 penetrates through the chassis 30, and a soft packing 32 such as silicone rubber in which grease 31 is filled is attached to the base end portion thereof.
The edge of the wall 3 is pressed against the outer surface of the base of the packing 32. The packing 32 is a water stop means for preventing the liquid from flowing from the cover case 2 to the main body case 1. However, the wall portion 3 strongly presses the chassis 30 via the packing 32 to transmit the transmission means. The cushioning action of the packing 32 also serves as a cushioning means for preventing the vibration of the transmission means 24 and the rotation shafts 26, 26 from being transmitted to the main body case 1 through the wall portion 3 while positioning and fixing the 24. ing.

In FIG. 3, the bag 40 is slid from the right side to the left side along the cut groove 9, but the wall surface 2a of the cover case 2 on the introduction side is shown.
Is a gentle concave slope with a gentle slope, the introduction guide length D is long, and the wall surface 2b on the outlet side is a steep slope with an outward convex shape, and the guide guide length d is short. Has become.
The bag 40 contains foods and the like, and its seal portion 41 is considerably wide in order to ensure hermeticity. In FIGS. 4 and 5, 33 is a packing for sealing the battery lid 1c.

This opening machine is configured as described above, and when opening the bag 40, the main body case 1 is held by one hand, the switch button 8 is pressed, and the rotary blades 27, 27 are rotated while the other hand is opened. Hold the bag 40 by hand and cut the sealing part 41 into the groove 9.
And slide to the left in FIG. Then, the seal portion 41 is guided by the cut groove 9 and the groove portion 5 while being rotated.
It is cut by 27,27. As above, the rotating shaft 2
6 and 26 are long, and the depth L from the rotary blades 27, 27 to the bottom of the kerf 9 is quite large, so that they are cut along the lower side of the seal portion 41. The broken line a is a cutting line. Also in this case,
Since the wall surface 2a of the cover case 2 is an inclined surface as described above, it is easy to introduce the starting end of the seal portion 41 into the inside of the kerf 9, and the introduction guide length D is long. You can cut while guiding surely so that it does not wobble. Further, since the guide length d is short, the cut seal portion 41 can be quickly guided to the outside of the cover case 2 without being stuck inside the cover case 2.

In addition, many of these bags 40 are filled with a liquid like a pickle bag, and when the seal portion 41 is cut as described above, the liquid inside easily flows out into the cover case 2.
As described above, since the depth L from the rotary blades 27, 27 to the main body case 1 side is long, it is difficult for the liquid that has flown out to reach the main body case 1, and the liquid that has flowed into the main body case 1 by the packing 32. Is prevented. Further, the inside of the cover case 2 is apt to become dirty and dirty by such a liquid, but the inside of the cover case 2 can be washed with water by providing a water stopping means such as the packing 32 and the grease 31. In this case, the grooves 5 are formed on the cover bodies 4a, 4b and the cover case 2.
Since the drainage holes 7 and 10 are opened in addition to the cut groove 9 and the cut groove 9, the cover case 2 can be washed with the body case 1 still attached, and the water that has entered the inside can be easily drained by washing. Of course, the cover case 2 may be removed from the main body case 1 and washed with water. In this case, since the rotary blades 27, 27 are covered with the cover bodies 4a, 4b, they can be handled safely. The opening machine according to the present invention is particularly advantageous as a means for opening a food bag having a wide seal portion, but is not limited to such a food bag, and other bags having a wide seal portion can be opened. It can also be used as a means.

(Effects of the Invention) As described above, the present invention includes the main body case 1 and the cover case 2 detachably attached to the main body case 1, and the motor 23 and the motor 23 are provided inside the main body case 1. 23 is provided with the power transmission means 24, and two long rotary shafts 26, 26 extending from the power transmission means 24 to the cover case 2 are provided.
Rotating blades 27, 27 are attached to the tips of 6, 26, respectively, and the two rotating shafts are attached to the outer wall surface of the cover case 2.
Since the groove 9 for slidingly guiding the seal portion 41 of the bag 40 is formed between the 26, 26 and the rotary blades 27, 27 to configure the opening machine, the bag 40 having the wide seal portion 41 is formed. , It can be opened easily, and since the water drainage hole 10 is formed in the cover case 2, the water can be easily drained after washing with water, and it is particularly advantageously used as a food bag opening machine for kitchens. it can.

[Brief description of drawings]

1 is a perspective view of an opening machine, FIG. 2 is a side view, FIG. 3 is an internal side view, FIG. 4 is an internal front view, and FIG. Is an internal rear view, and FIG. 6 is a partial sectional view. 1 …… Main body case 2 …… Cover case 4a, 4b …… Cover body 9 …… Groove 10 …… Drain hole 23 …… Motor 24 …… Transmission means 26 …… Rotary shaft 27 …… Rotating blade 40 …… Bag 41 …… Seal part

Claims (3)

(57) [Scope of utility model registration request] 1. A main body case (1) and a cover case (2) detachably attached to the main body case (1). Inside the main body case (1), a motor (23) and a power transmission means (24) for the power of the motor (23) are arranged. The two long rotary shafts 26, 2 which are installed and extend from the transmission means 24 to the cover case 2.
6 are provided, the rotary blades 27, 27 are attached to the tips of the rotary shafts 26, 26, respectively, and the two rotary shafts 26, 26 and the rotary blades 27, 27 are mounted on the outer wall surface of the cover case 2. 27
The cut groove 9 for slidingly guiding the seal portion 41 of the bag 40 is formed between the two, and the drain hole 10 is formed on the side wall surface of the cover case 2 different from the outer wall surface on which the cut groove 9 is formed. Characteristic opening machine. 2. The rotary shaft 26, which has at least the cover bodies 4a, 4b for covering the cutting edges of the rotary blades 27, 27 inside the cover case 2 detachably mounted on the main body case 1. 26 and the rotary blades 27, 27 are doubly protected by the cover case 2 and the cover bodies 4a, 4b, and the seal portion 41 slides on the same vertical plane as the cut grooves 9 of the cover bodies 4a, 4b. The opening machine according to claim 1, characterized in that a groove portion (5) for motion guide is formed. 3. The cover case 2 is the main body case 1.
Protruding in a pointed manner from above, accommodating the rotary blades 27, 27 above it, and introducing guide length D of this cover case 2.
Is longer than the derivation guide length d. The opening machine according to claim 1, wherein the utility model registration is performed.