JPH0690073B2 - Weighing, packaging, and pricing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention weighs items to be packaged such as fresh foods, wraps them in a film, and various weights, prices, etc. on the film-packaged items to be packaged. The present invention relates to a weighing, packaging, and pricing device that consistently and automatically attaches information-printed labels.

[Prior art]

Conventionally, as a technique in this kind of field, Japanese Patent Laid-Open No. 56-38217
There is a weighing, packaging and pricing device disclosed in Japanese Patent Publication. In this weighing / packaging / price rating device, an object to be packaged is carried into a pedestal 17 of a push-up supply mechanism by a carry-in conveyor composed of a chain conveyor 5, and the object to be packaged 4 is pushed up to a film by the push-up supply mechanism. The object 4 to be packaged is packaged, the weight of the object to be packaged is weighed by the automatic weighing device 12 arranged on the way of carrying in the object to be packaged 4, and the weighing object is weighed by the automatic weighing device at the unloading position. This is a configuration in which a pricing device 19 for sticking a label on which measurement data and the like are printed is arranged.

[Problems to be Solved by the Invention]

However, in the weighing / packaging / price valuation device having the above-mentioned configuration, since the objects to be packaged are transferred from the automatic weighing device 12 to the chain conveyor 5 and from the chain conveyor 5 to the cradle 17 of the push-up supply mechanism, they are accommodated in a tray or the like. There is a problem in that a part of the packaged product may drop, and the weighing data printed on the label does not match the actual weight of the film packaged product.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, the present invention measures the object to be packaged by a measuring means, carries the object to be packaged onto the head of an elevator, and forms the object to be packaged on the lower surface of a film stretched at a predetermined position of a packaging device. The product is pushed up by an elevator, the end of the film is folded on the bottom of the packaged product, and the label is printed with various information such as weighing data measured by the weighing means and price based on the weighing data. In a weighing / packing / pricing device to be pasted on a packaged object wrapped in a film, the weighing means is a weighing machine equipped with a weighing pan, and the weighing machine is arranged near an elevator head, and the weighing machine is provided. The weighing pan is configured to be positioned above the upper surface of the head of the elevator when the head of the elevator is at the bottom dead center position.

Also, the head of the elevator is a weighing pan of the weighing device.

Further, the present invention is characterized in that a carry-in conveyor for carrying in an object to be packaged is provided on the upper surface of the weighing pan in the frame of the packaging device.

Further, the carry-in conveyor for carrying in the article to be packed into the packaging apparatus and the carry-out exit for carrying out the article to be packed from the packaging apparatus are arranged at opposite positions, and the carry-in conveyor for carrying in the article to be packed is arranged across the elevator head. However, a guide for positioning the article to be packaged is provided at the carrying-in downstream end of the dish of the weighing instrument.

[Action]

With the above configuration, the weighing pan is arranged so that the weighing pan of the weighing device is located above the upper surface of the head of the elevator when the head of the elevator is at the bottom dead center position. Since the object to be packaged is measured immediately before, it is possible to reduce the number of times of transfer during the transfer of the object to be packaged after the measurement, and a part of the object to be packaged contained in a container such as a tray Since the probability of falling is reduced, the weight, price, etc. of the film-packaged package match the information printed on the label.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 is a view showing the external appearance of the weighing / packaging / price rating device according to the present invention.

As shown in the drawing, the weighing, packaging, and pricing device of the present embodiment is
A loading section 100 having a loading port 101 for loading a packaged object is provided on the front surface of the frame body 99 of the apparatus, and an elevator mechanism 200 (not shown) for pushing up the packaged object is provided in front of the import section 100. A packaging unit 300 for packaging a packaged object is provided above the elevator mechanism 200, a carry-out unit 400 is provided above the carry-in unit 100, and a unit price and price of the packaged product on a label on the right side of the carry-out unit 400. Label printer 501 that prints weight, etc. and attaches the label to the surface of the film-wrapped package
There is provided a pricing device having

Reference numeral 500 denotes a console of a control unit including an operation unit 502 for inputting various data such as control of the packaging device and price setting, a display unit 503 for displaying various data, and the like.
Further, reference numeral 600 is a film supply / transfer section for supplying a film to the packaging section 300. The detailed structure and operation of each of the above units will be described below.

FIG. 1 is a side sectional view of the above-mentioned weighing, packaging and pricing device, and FIG. 3 is a view showing the structure of its elevator mechanism and weighing machine. In the elevator mechanism 200, a plurality of elevator heads 201 are supported and fixed to a support plate 203 by support legs 202, and a head support rod 204 supporting the support plate 203 is moved up and down, whereby the elevator head 201 moves up and down. . The head support rod 204 is supported by a lever 206 and a lever 207, both ends of which are rotatably supported by pins on the head support rod 204 and the bracket 205, and one end of the lever 206 is rotatably supported. The connecting rod 208 pivotally supported moves up and down.
The other end of the connecting rod 208 is rotatably supported by the other end of a lever 209, one end of which is movably supported by a bracket 210, and the rotation of the cam 211 causes the lever 209 to move to the bracket.
It moves up and down around the axis fulcrum of 210, and the vertical movement causes the connecting rod 2
08, the head support rod 204 and the elevator head 201 move up and down.

In addition, 214 is a motor, 213 is the rotational force of the motor 214 to the cam 2
The belt that tells 11 and 215 is the cam floor. Also, 212
Is a timing disc for controlling the timing of each part of the device.

A support rod 221 having a weighing pan 220 fixed to the upper end is arranged between the support legs 202 of the elevator mechanism 200 and the support legs 202,
The lower end of the support rod 221 is fixed to the weight plate 223 of the load cell 222 through the opening 203a in the support plate 203. Further, the support plate 224 of the load cell 222 is fixed to a mounting base 225 fixed to the base 98 of the device. The side of the carry-out section 400 of the weighing pan 220 is bent upward to form a positioning guide 220a for the article M to be packaged.
By providing this guide 220a on the weighing pan 220, weighing can be performed without causing a weighing error.

The weighing pan 220, the support rod 221, the load cell 222, the emphasis plate 223, and the support plate 224 constitute a weighing machine 230.

Note that the weighing pan 220 may be tilted and attached as shown in FIG. By mounting the object to be packaged M on the weighing pan 220 by mounting the object M to be inclined in this manner, the object to be packaged M naturally moves to the lower side and is positioned by abutting against the guide 220a formed at one end of the support rod 221. Therefore, it becomes easy to place the object M to be packaged on the weighing pan 220, especially for manual placement.

Further, the height of the weighing pan 220 is arranged so as to be located above the upper surface of the elevator head 201 when the elevator head 201 of the elevator mechanism 200 reaches the bottom dead center position.

Further, the upper part of the device frame 99 (the part indicated by 99a in FIG. 1) is formed of a transparent material so that the parts of the weighing pan 220 and the elevator head 201 of the weighing device 230 can be seen from the outside. As a result, the mounted state of the article M to be packaged can be easily confirmed.

A packaging unit 300 is arranged above the elevator mechanism 200. The packaging unit 300 includes a left and right folding plate (not shown), a film folding device 301 including a rear folding member and a front folding member, and the film folding device 3
Below the 01, there are arranged film transfer mechanisms 601 and 602 for sandwiching and conveying both ends of a film cut into a predetermined length and stretching the film at a predetermined position.

For details of the film folding device 301, see, for example, Japanese Patent Application No.
Since it is disclosed in No. 3-264860, its explanation is omitted.

FIG. 5 is a diagram for explaining the operation of the elevator mechanism 200 and the packaging unit 300. When the object M to be packaged is placed on the weighing pan 220 and the head support rod 204 of the elevator mechanism 200 is raised, the object M to be packaged on the weighing pan 220 is received by the elevator head 201, and the elevator head 201 is top dead center. Up to. As a result, the article M to be packaged is pushed up from the lower surface of the film F stretched by the film transfer mechanisms 601, 602, and then the left and right folding plates (not shown) fold the left and right ends of the film F into the bottom of the article M to be packaged. Subsequently, the rear end of the film F is similarly folded by the rear folding plate 302 to the bottom of the article M to be wrapped, and the article M is pushed out by the busher 303, so that the front end of the film F is moved to the front folding roller 30.
It is folded into the bottom of the article M by 5 and carried out onto the heater roller 401 of the carry-out section 400. At this time, the object to be packaged M
Is positioned on the guide 220a on the side of the unloading section 400, and the deviation of the article M to be packaged is reduced, so that the packaging finish is improved.

Incidentally, 304 is a holding plate that prevents the article M to be packaged from being lifted when the article M is pushed out by the busher 303.

6 and 7 are views showing an example in which the mounting position of the measuring device 230 is changed.

As shown in FIG. 6, the fulcrum plate 224 of the load cell 222 is fixed to a bracket 226 fixed to the frame of the device, and the weighing pan 220 is fixed to the weight plate 223. That is, the load cell 222 is arranged above the elevator head 201.

In addition, in FIG.
Is disposed on the side of the elevator head 201, the fulcrum plate 224 of the load cell 222 is fixed on the mounting base 225, and the weighing pan 220 is fixed to the emphasis plate 223. That is, the load cell 222 is arranged beside the elevator head 201.

In both cases of FIG. 6 and FIG. 7, the height of the weighing pan 220 is positioned above the upper surface of the elevator head 201 when the elevator head 201 of the elevator mechanism 200 reaches the bottom dead center position. To be installed. The position of the weighing pan 220 is not limited to the position above the upper surface of the elevator head 201 when the elevator head 201 is at the bottom dead center position, and may be located on the moving path of the elevator head 201. . In particular, when the weighing pan is arranged near the top dead center of the elevator head 201, the work M is placed on the weighing pan from the side of the packaging unit 300, which facilitates the work. Further, the height of the packaging device can be reduced.

FIG. 8 shows the carrying-in section 100 of the weighing / packaging / price determination device of the present invention.
FIG. 6 is a diagram showing a structure including an elevator mechanism 200, a packaging unit 300, and an unloading unit 400. As shown in the figure, the carry-out section 400 is arranged on the same side as the carry-in section 100, and the pusher conveyor has the pusher 103 between the carry-in port 101 of the carry-in section 100 and the weighing pan 220.
102 are arranged. That is, in the present embodiment, the pusher conveyor 102 is provided inside the frame of the packaging apparatus as the carry-in conveyor for loading the article M to be packaged on the upper surface of the weighing pan 220. Incidentally, 104 is the pusher conveyor 102.
Is a motor for driving.

With the above configuration, even if the weighing pan 220 is arranged in the frame 99 at a position away from the carry-in port 101, the article M to be packaged is placed on the pusher conveyor 102 in the vicinity of the carry-in port 101 and weighed. The object to be packaged M can be reliably sent to the upper surface of the plate 220. In this case, the pusher 103 that pushes the object to be packaged 103
Since the article M is moved until it is reliably separated, the pusher 103 side of the article M is the reference position. Therefore, in this embodiment, when the worker puts the article M to be packaged on the pusher conveyor 102 and presses the operation switch (not shown), the motor 104 is activated and the pusher conveyor 1
The item M to be packaged 02 is transferred to the upper surface of the weighing pan 220. At the pusher 103 side end of the transferred article M, the position pushed in by the pusher 103 becomes the reference position, and the carry-in section 100 and the carry-out section 400 are provided.
Are arranged on the same side, the deviation of the article M to be packaged is reduced when packaging is performed, and the packaging finish is improved.
At this time, if the upper surface of the weighing pan 220 is inclined downward in the carrying-in direction as shown in FIG. 4, the object to be packaged M will not be overrun and will be reliably carried into a predetermined position on the upper surface of the weighing pan 220. be able to.

The object M to be packaged is pushed up to the elevator head 201 and the lower surface of the film F, and left and right folding plates 306 and rear folding plates 302
Is operated to fold the left and right edges and the rear end of the film F like the bottom of the article M to be wrapped, and then the pusher 303 pushes out the article M to be wrapped, whereby the front folding roller moves the front end of the film F to the bottom of the article M to be wrapped. The points of folding and pushing onto the heater roller 401 are the same as in the case of FIGS. 1 and 3.

Further, in the above embodiment, the mounting base 225 for supporting the weighing machine 230 is installed on the floor surface. Therefore, the vibration of the packaging device is not transmitted to the weighing device 230, and the weighing of the article M to be packaged is completed in a short time.

It should be noted that it is effective if the transport surface of the pusher conveyor 102 and the upper surface of the weighing pan 220 are substantially flush with each other. Further, the elevator head may be constantly rotated.

FIG. 9 shows the carry-in section 100 of the weighing / packing / price determination device of the present invention.
FIG. 6 is a diagram showing a structure including an elevator mechanism 200, a packaging unit 300, and an unloading unit 400. In the present embodiment, the transport side of the article to be packaged M and the carry-out side for delivering the film-packaged article to be packaged are arranged in different directions. That is, the belt conveyor 105, which is a carry-in conveyor, is arranged so as to project to the front of the apparatus, and the heater roller 401 of the carry-out section 400 is arranged above the opposite side of the belt conveyor 105.

The belt conveyor 105 includes a drive pulley 107 and a driven pulley 109.
The driven pulley 109, which is suspended between the two, is arranged on the unloading section 400 side of the elevator head 201, and is arranged so as to cross the weighing pan 220. The driven pulley 109 can be moved up and down by a solenoid 108. By moving the driven pulley 109 up and down, the belt conveyor 105 moves to the drive pulley 107.
When the driven pulley 109 of the belt conveyor 105 is in the initial position, the belt conveyor 105 is located above the weighing pan 220, and when the driven pulley 109 is located below the weighing pan 220. Located below.

Further, a guide 220b with which the article M to be packaged conveyed by the belt conveyor 105 abuts is provided on the discharge section 400 side of the weighing pan 220. Therefore, the carry-out section 4 for the article M to be packed on the weighing pan 220
Since the 00 side is the reference position, there is little misalignment when packaging and the packaging finishes better. Also belt conveyor
At the carry-in position of 105, a switch 106 is provided which is turned on when the article M to be packaged is placed and which activates a motor (not shown) for driving the drive pulley 107.

By placing the article to be packaged M at the carry-in position of the belt conveyor 105, the switch 106 is turned on, and the belt conveyor 1
05 starts driving and transfers the object M to be packaged to the weighing pan 220. The object to be packaged M is transferred to a position where it hits the guide 220b of the weighing pan 220. When a detector (not shown) detects the arrival of the article M to be packaged, or when a predetermined time (sufficient time required to send the article M to be packaged 220 to the weighing pan 220) has elapsed with a timer, the belt conveyor 105 is turned on. Stop. This allows the solenoid 1
08 swings the driven pulley 109 of the belt conveyor 105 downward. Due to this swing, the article M to be packaged is conveyed to the belt conveyor 10
5 is placed on the weighing pan 220 from the upper surface of the belt, and the object M to be packaged is weighed by the weighing device 230. When the weighing signal is output, the elevator mechanism 200 raises the elevator head 201, and the article M to be packaged is wrapped with a film and carried out from the carry-out section 400 to the outside of the apparatus, as in the case of FIG. 1 and FIG. To be done.

The swinging means of the belt conveyer 105 is not limited to the solenoid 108, and the eccentric cam may be rotated by a motor, for example.

FIG. 10 shows the carrying-in section 100 of the weighing / packaging / price determination device of the present invention,
FIG. 6 is a diagram showing a structure including an elevator mechanism 200, a packaging unit 300, and an unloading unit 400. In this embodiment, the elevator head
201 is directly used as a weighing pan. That is, the fulcrum plate 224 of the load cell 222 is fixed to the upper end of the head support rod 204 of the elevator mechanism 200, and the elevator head 20 is fixed to the emphasis plate 223.
A support plate 203, one of which is fixed by a support leg 202, is fixed.

The carry-in section 100 has a pusher conveyor having a pusher 103.
102 are arranged. The pusher conveyor 102 is arranged so as to project toward the front of the apparatus.

The article M to be packaged is placed at the carry-in position of the pusher conveyor 102, and when the switch 106 is turned on, the pusher conveyor 102 is driven, and the article M to be packaged is pushed by the pusher 103 and transferred.
Transferred onto the elevator head 201. When the pusher 103 is reliably separated from the article M to be packaged and a detector (not shown) detects that the outer pusher 103 has reached a predetermined position, the pusher conveyor 102 stops. Items to be packaged M with the weighing machine 230
When the weighing signal is output and the weighing signal is output, the elevator head 201 ascends, and the article M to be packaged is wrapped with a film and is ejected from the carry-out section 400 to the outside of the apparatus as in the case of FIG. 1 and FIG. Be shipped.

With the above configuration, the weighing machine 230 is arranged in the elevator mechanism 200, so that the structure is simplified.

The positional relationship between the carry-in unit 100 and the carry-out unit 400 is not limited to the above embodiment.

〔The invention's effect〕

As described above, according to the present invention, the following excellent effects can be obtained.

(1) Since the object to be packaged is weighed immediately before the object to be packaged, it is possible to reduce the number of transfers during the transportation of the object to be packaged after the measurement, and the object to be packaged is accommodated in a container such as a tray. The probability that a part of the product will drop will be reduced, and the weight and price of the film-wrapped packaged item will match the information printed on the label, and the customer will not be distrusted.

(2) The conventional weighing / packaging / pricing apparatus requires a carry-in conveyor for carrying the article to be packed into the packing apparatus, but in the present invention, the operator manually carries the article to be packed onto the elevator head. In such a case, no carry-in conveyor is required. Further, in this case and when a carry-in conveyor for carrying in the object to be packaged is provided on the upper surface of the weighing plate in the frame of the packaging device, there is no carry-in conveyor protruding from the weighing / packing / rating device main body having a substantially rectangular plane shape, It is extremely suitable for packing, transporting and installing the equipment.

(3) Since the elevator head is a weighing pan, the structure is simple and the cost can be kept low.

[Brief description of drawings]

FIG. 1 is a side sectional view of a weighing, packaging and pricing device according to the present invention, FIG. 2 is an external view of the weighing, packaging and pricing device according to the present invention, and FIG. 3 is a weighing according to the present invention.・ A diagram showing the structure of an elevator mechanism and a weighing device of a packaging / price rating device, Fig. 4 is a diagram showing a structure of another elevator mechanism and a weighing device of a weighing / packaging / price determination device according to the present invention, Fig. 5 1 is an operation explanatory view of the apparatus of FIG. 1, FIG. 6 is a view showing a structure of a head portion and a weighing machine of another elevator mechanism of the weighing / packing / price determination apparatus according to the present invention, and FIG. 7 is the present invention. The figure which shows the structure of the other elevator head part and weighing device of such weighing, packaging, and pricing device, and FIG. 8 is the carrying-in part, elevator mechanism, weighing device, and packaging part of the weighing, packaging, and pricing device which concerns on this invention. Showing the structure of No. 9,
FIG. 1 is a diagram showing the structures of another carrying-in section, an elevator mechanism, a weighing machine, and a packaging section of the weighing, packaging, and pricing apparatus according to the present invention,
FIG. 10 is a view showing the structures of another carrying-in section, an elevator mechanism, a weighing machine, and a packaging section of the weighing, packaging, and pricing apparatus according to the present invention. In the figure, 100 ... inlet, 101 ... inlet, 102 ... pusher conveyor, 103 ... pusher, 106 ... switch, 108
...... Solenoid, 200 …… Elevator mechanism, 201 …… Elevator head, 220 …… Weighing pan, 222 …… Load cell, 300
...... Packaging department,

Claims (4)

[Claims] 1. An object to be packaged is weighed by a weighing means, the object to be packaged is loaded on an elevator head, and the object to be packaged is placed on the lower surface of a film stretched at a predetermined position of a packaging apparatus by the elevator. After pushing up, the end portion of the film is folded into the bottom of the packaged object to be packaged, the label is printed with various information such as weighing data of the packaging object measured by weighing means and price based on the measurement data. In the weighing / packaging / price rating device to be pasted on the packaged object, the weighing means is a weighing machine provided with a weighing pan, and the weighing machine is arranged in the vicinity of the head of the elevator. A weighing, packaging and pricing device characterized in that when the head is located at the bottom dead center, the weighing pan of the weighing device is located above the upper surface of the head. 2. An object to be packaged is weighed by a weighing means, the object to be packaged is loaded onto an elevator head, and the object to be packaged is placed on the lower surface of a film stretched at a predetermined position of a packaging apparatus by the elevator. After pushing up, the end portion of the film is folded into the bottom of the packaged object to be packaged, the label is printed with various information such as weighing data of the packaging object measured by weighing means and price based on the measurement data. In the weighing / packaging / pricing apparatus attached on the article to be packaged by, the weighing means is a weighing machine having a weighing pan, and the head of the elevator is a weighing pan of the weighing machine. Weighing, packaging and pricing equipment. 3. The weighing / packaging / value according to claim 1 or 2, further comprising: an insertion conveyer for loading an article to be packed onto the upper surface of the weighing pan, inside the frame of the packing device. Attached device. 4. An elevator head, wherein a carry-in conveyor for carrying in the article to be packaged is arranged at a position opposite to an entrance for carrying in the article to be packaged into the packaging machine and an exit for carrying out the article to be packaged from the packaging machine. 3. The weighing / measuring apparatus according to claim 1 or 2, wherein a positioning guide for the packaged object is provided at a downstream end of the weighing pan of the weighing instrument for carrying in the packaged object. Packaging and pricing device.