JP4483325B2 - Packaging equipment - Google Patents

Description

The present invention relates to a packaging apparatus having a label lowering function for attaching a label to the lower surface of a packaged product discharged via a packaging machine.

Fresh foods (meat, fish, etc.) and prepared foods such as side dishes and bento boxes that are handled at supermarkets are placed on trays and packed with stretch film along with the trays. A label with information such as name, price, unit price, and barcode is affixed, but information that cannot be printed on the label, such as additive data, is printed on another label, May be affixed to the bottom.
And the packaging apparatus which can perform from the packaging of the goods piled up on the tray to the label sticking to the lower surface of the packaged goods with one machine is already known (for example, refer patent document 1).

In the packaging device having the label underlay function shown in Patent Document 1, the packaged product discharged from the packaging machine is conveyed leftward or rightward along the front surface of the packaging machine from the discharge position by the conveyor, and then conveyed. A lower labeling machine is disposed below the conveyor surface.
And a label is affixed on the lower surface of the goods which move (pass) on this opening part from the opening part opened in the conveyance path of this conveyance conveyor.

  Therefore, when exchanging the label for labeling (label roll) and other maintenance work, you have to bend and work to access the labeling machine for labeling below the conveyor. There was a problem that workability and maintainability were poor.

JP 2002-308235 A (see FIG. 1)

  The present invention has been made in view of the above-described problems of the prior art, and in a packaging device having a label underlaying function for sticking a label to the lower surface of a product, replacement of a label roll in the label underlaying device, and An object of the present invention is to provide a packaging device that can easily perform maintenance work such as maintenance and inspection in an easy posture.

In order to achieve the above object, the packaging device of the present invention is a packaging device having a label lowering function for attaching a label to the lower surface of a packaged product discharged from a packaging machine having a packaging function using a stretch film. A first transport conveyor that discharges the packaged product discharged from the packaging machine to the outside of the packaging machine, and a label underlaying device that is arranged on the downstream side of the first transport conveyor, The label lowering apparatus receives a product from the first transport conveyor and transports the product, and opens a label pasting opening in the middle of the transport path, and a product located below the product transport conveyor. A label issuing unit for issuing a label to be attached to the lower surface of the product, and a label application for attaching the label to the lower surface of the product passing through the opening through the opening of the product conveyor Comprising a, a movable its label Shitabari apparatus from above the first conveyor, further, upper position when moving the label Shitabari device upward, the set position of the label roll in a label issuing unit The position is above the transport surface of the first transport conveyor .
The product conveying conveyor of the label underlaying apparatus may be either a roller conveyor or a belt conveyor, and an opening, that is, a label applying position is provided in the conveying path of the conveyor.
Further, the label issuing unit of the label underlaying device may be either a label printer that prints and issues predetermined information on a label, or a label issuer that issues a label on which predetermined information is printed.
Further, the orthogonality between the label issuing direction of the label issuing unit and the conveying direction of the product conveying conveyor includes not only a strictly right-angled crossing but also a crossing state close to a right angle.
In addition, the labeling unit that attaches the label issued from the label issuing unit to the lower surface of the product through the opening of the product transport conveyor is mechanically labeled by a label transport method, air blowing method, pusher, etc. Any method may be used such as pressing and sticking.
And as a means to move the label lowering apparatus upward, a motor, an air cylinder, other actuators, etc. may be used.
According to the above configuration, since the label underlaying device can be moved upward from the first conveyor, when replacing the label roll in the label underlaying device or for other maintenance inspections, etc. Since the work can be performed by moving the position of the label lowering device upward from the position (at the time of labeling), it is possible to work in an easy standing posture without bending the body. Then, the upper position when the label lowering device is moved upward is set in the label issuing unit by setting the label roll setting position in the label issuing unit to be higher than the conveying surface of the first conveying conveyor. It is possible to easily perform replacement and maintenance work of the label roll.

Label issuing unit of the label Shitabari device, arranged to issue a label in a direction to Cartesian and product conveying direction of the product conveyor, and product conveyor is a movable horizontally, wherein the movement of the product conveyor The label issuing unit may be exposed (claim 2).
With the above configuration, when the product transport conveyor is moved horizontally, the label issuing unit is exposed, and maintenance work such as replacement of the label roll and maintenance inspection can be easily performed.

Further, the horizontal movement direction of the merchandise transport conveyor is a direction orthogonal to the merchandise transport direction and the front side of the apparatus (Claim 3).
In that case, the commodity transport conveyor can be moved regardless of the conveyor and other devices adjacently disposed on the upstream side and the downstream side of the label lowering apparatus.

Further, the upward movement of the label lowering device is movable upward after the horizontal movement of the commodity conveying conveyor (claim 4).
With this configuration, for example, even when a part of the packaging device is placed above the product transport conveyor, it is possible to avoid contact between a part of the packaging device and the product transport conveyor, thereby ensuring safety.

In addition, a parallel link mechanism and a gas spring are effective as the vertical movement mechanism of the label lowering apparatus.
Because it uses a gas spring, it can be moved up and down with a simple structure and with a small force.

Further, the packaging machine is provided with a sensor for detecting that the label underlaying device is set at the lower position (use state), and a detection signal from the sensor is used as a requirement for starting the packaging machine. Good (Claim 6).
By doing so, even if the object to be weighed (unwrapped product) is placed in the infeed part with the label underlaying device not set in the lower position, the object to be weighed is not conveyed into the packaging machine, As a result, it is possible to prevent the attachment failure of the lower label and the product from being damaged by contacting the product transport conveyor.

In addition, a label attaching unit for attaching a label to be attached to the upper surface of the product at a position on the packaging machine side facing the label lowering device is located above the product conveying conveyor of the label lowering device in the front-rear direction of the packaging machine. The distance from the packaging apparatus main body at the uppermost position where the label lowering apparatus moves while rotating obliquely upward is compared with the distance from the packaging apparatus main body at the lowermost position of the label lowering apparatus. To be further away (claim 7 ).
When it is set as the said structure, a label lowering apparatus can be moved upward, without contacting the sticking machine of the label for upper sticking. Then, when moving the label lowering device upward, in order to avoid contact with the labeling device for the upper labeling, the labeling device for the upper labeling is moved to the rear side of the packaging machine (in a direction away from the label lowering device). Even when moving to (), the distance for reversing the sticking machine for the upper label is small.

Further, the label underlaying device has a handle portion on the front surface of the device orthogonal to the transfer direction of the product transfer conveyor, and the product transfer conveyor moves horizontally by pulling the handle portion toward the front of the device. the the movable entire label Shitabari device upward by pushing upwardly (claim 8).
With this configuration, the product conveyance conveyor can be moved horizontally and the label lowering device can be moved upward with a single handle.

The packaging device of the present invention has the configuration according to claim 1, and when the label roll is replaced in the label underlaying device, or for other maintenance and inspections, the label underlaying device from the normal position (when packaging and labeling). Since the work can be performed by moving the position of the upper part, it is possible to work in an easy standing posture without bending the body. And when the label lowering device is in the upper position, the label issuing unit, the label roll set in the issuing unit, and the label applying unit are located above the conveying surface of the first conveying conveyor. Roll replacement and maintenance work can be performed easily.
Further, according to the second aspect of the present invention, when the product conveyor is moved horizontally, the label issuing unit is exposed, and maintenance work such as replacement of the label roll and maintenance inspection can be easily performed.
Furthermore, according to the configuration of the third aspect, the commodity transport conveyor can be moved regardless of the conveyor and other devices adjacently disposed on the upstream side and the downstream side of the label affixing device, which is convenient.

Further, according to the configuration of claim 4, since the label lowering device can only be moved upward after the product transport conveyor has been moved horizontally, for example, when a part of the packaging device is placed above the product transport conveyor. However, it is possible to avoid a part of the packaging device from coming into contact with the commodity conveyor and to ensure safety.
Further, according to the configuration described in claim 5, it is possible to easily move up and down with a simple structure and with a small force.
Further, according to the configuration of claim 6, even if an object to be weighed (unwrapped product) is placed in the infeed part, the object to be weighed is not conveyed into the packaging machine, and as a result, the label for the underlaying label is poorly attached. And the product can be prevented from coming into contact with the product conveyor and being damaged.

Et al is, the configuration of claim 7, can be moved upward without touching the label Shitabari device paster of Uwabari label. Then, when moving the label lowering device upward, in order to avoid contact with the labeling device for the upper labeling, the labeling device for the upper labeling is moved to the rear side of the packaging machine (in a direction away from the label lowering device). Even when moving to (), the effect of reducing the distance for reversing the sticking machine for the upper label is obtained.
Moreover, according to the structure of Claim 8, the horizontal movement of a goods conveyance conveyor and the upward movement of a label lowering apparatus can be performed with one grip part.

An example of an embodiment of a packaging device according to the present invention will be described with reference to the drawings.
FIG.1 and FIG.2 shows the outline of the packaging apparatus A by the stretch film incorporating the label conveyance type label lowering apparatus B. FIG.
When the packaging device A carries in the product a (the content is stored in the tray in the drawing), it comes with a measurement value, wraps with a stretch film, and issues a label based on the measurement value and data input from the console unit. This is a device known today that automatically performs a series of operations for pasting.
That is, when a product is placed on the infeed unit 7, the product is weighed, and the size of the product (tray) is measured by passing between sensors provided on both sides on the conveyance path start end side. Then, the product a is transported to the position directly above the elevator 8 by the pusher conveyor 7 ', and the product a is mounted on the elevator by the elevator 8 being lifted, and stretched on the upper packaging portion. Pushed up from below, the upper surface of the product is covered with a stretch film. And the peripheral edge part of the stretch film which coat | covered the upper surface of the goods a is folded in the bottom face side of the goods with the right-and-left folding board 9 and the back folding board 10, and also the front side edge part of a film is also goods of a goods by pushing of a discharge pusher. Folded to the bottom side, the ends of the folded film are brought into close contact with each other at the heat seal portion and discharged.
Then, the product name, price, unit price, capacity, expiration date on the top surface of the product a ′ packaged in the process of being discharged by the discharge pusher, based on the weighing at the time of product delivery and data input from the console unit 11 A label L ′ in which items necessary for the customer to select a product are printed by the label printer 12 is pasted by the label pasting machine 13. The label L ′ is affixed by the label affixing machine 13 while the label affixing machine 13 sucks and holds the label L ′ printed and issued by the label printer 12, moves onto the product a ′, and affixes it to the upper surface (surface) of the product. .
The packaged product a ′ to which the label L ′ is affixed is an item that cannot be displayed on the label L ′, for example, a label L that describes items such as a barcode, an additive name, and a place of origin display. It is transported by the first transport conveyor (discharge conveyor) 14 to the label underlaying device B portion to be pasted on the lower surface of '.

  When the weighing of the product a by the weighing unit provided in the infeed unit 7 is stabilized, an upper label L ′ to be pasted on the upper surface of the product and a lower label L to be pasted on the lower surface of the product are printed and issued. Wait for the labeling timing. However, for the label L for underlaying, if the label issuing sensor 45 of the label underlaying apparatus B, which will be described later, is not ON, no label is issued even if the weighing is stable, and the product is placed in the infeed section and weighing Even if is stabilized, the product is not conveyed to the elevator side, and an error message is displayed on the display unit of the console unit 11. That is, the label L for underlaying is issued when the label issuing sensor 45 of the label underlaying apparatus B is ON and the weighing is stable.

  The first transport conveyor (discharge conveyor) 14 is a conveyor for feeding a product a ′ wrapped in a film to the label lowering apparatus B, and the conveyor is perpendicular to the discharge direction of the product a ′ in the packaging machine. They are arranged so as to cross each other, so that the goods a ′ can be discharged in the right direction along the packaging machine. The first transfer conveyor (discharge conveyor) 14 transmits the rotational force of the motor 14a to one of the rollers 14c around which the belt 14b is wound via power transmission means such as a belt or a chain, thereby the belt 14b. Is designed to rotate. The first conveyor 14 is activated when a product is detected by the discharge sensor 37 provided at the front end of the heat seal portion of the packaging machine, and rotates for a predetermined time. The rotation direction of the belt is determined by the installation position of the label lowering apparatus B provided side by side on the first conveyor 14. In this embodiment, it rotates in the right direction.

Hereinafter, the label lowering apparatus B will be described in detail.
FIG. 3 is a plan view showing the outline of the label underlaying device B portion, and is arranged close to the downstream side of the first transport conveyor (discharge conveyor) 14 of the packaging device A as described above, and the first transport. A product a ′, which is supported so as to be movable upward from the conveyor (discharge conveyor) 14 and temporarily stores the label a pasting of the label L on the downstream side in the transport direction of the product transport conveyor 1 in the label lowering device B, is temporarily stored. Two transport conveyors 15 are arranged.

  The label underlaying device B conveys and affixes the label L issued from the label issuing unit to the lower surface of the product a ′ while conveying the product a ′. A label constituting a label issuing unit 3 for printing and issuing a label L, and a label applying unit for transferring and attaching the label L issued by the label issuing unit 3 to the lower surface position of the product a ′ conveyed by the product conveying conveyor 1 It is comprised with the conveyance conveyor 4. FIG. In other words, the label issuing unit 3 is located below the commodity transport conveyor 1.

The product transport conveyor 1 is composed of roller conveyors in which rollers 1a are arranged in parallel at a predetermined interval. An opening 2 is formed in the middle of the transport path, and a tip along the transport direction of a label transport conveyor 4 described later. The part is configured to face.
As shown in FIGS. 4 and 5, the driving system for rotating the rollers 1a constituting the commodity transport conveyor 1 is such that a driving belt 16 that rotates endlessly on the upper outer peripheral surface of one side end of all the rollers 1a is held in contact. The drive belt 16 is wound around a pulley 18 driven by a motor 17 and rotates endlessly. That is, each roller 1a rotates by contact with the drive belt 16, and the product a 'is conveyed by the rotation of the roller 1a. The commodity conveyor 1 starts rotating at the same time as the first conveyor (discharge conveyor) 14 starts rotating.

  And the opening part 2 is formed in the middle location along the conveyance direction of the said goods conveyance conveyor 1. As shown in FIG. The opening 2 has the length of a plurality of (two in the drawing) rollers 1a 'located in the middle of the plurality (eight in the drawing) of rollers 1a constituting the conveyor 1, and other rollers. Rollers 1a other than the short roller 1a and the supporting plate 19 that supports the end of the short roller 1a 'opposite to the drive belt 16 and the roller 1a that is formed shorter than the length of the la 1a'. The opening 2 is defined by a drive frame 16 and a support frame 19 ′ that supports the opposite end of the drive belt 16. And the label L conveyed by this opening part 2 is prevented from contacting the roller 1a of the goods conveyance conveyor 1 in the upstream position in this opening part 2, and it is made to stick and transfer to the lower surface of goods smoothly. A Soroban ball-like guide roller 38 is attached.

As described above, the product conveyor 1 constituted by the roller conveyor can move horizontally in the front direction of the packaging device (downward in FIGS. 2 and 3) perpendicular to the product transport direction by the rotation of the rollers 1a and 1a ′. It is supported.
The support structure is such that guide frames 39 and 39 ′ having a substantially U-shaped cross section are fixed along both sides of the lower surface in the width direction of the frame of the commodity transport conveyor 1, and the guide frames 39 and 39 ′ accommodate the label issuing unit 3. It is slidably fitted to guide plates 41 and 41 ′ attached to both upper sides of the frame body 40.
A magnet 42 is attached to the outer surface of the support frame 19 ′ of the horizontally movable product transport conveyor 1. When the product transport conveyor 1 is held at the transport position, the magnet 42 is attracted to the member of the packaging device A. The product conveying conveyor 1 is not moved carelessly. Further, a handle 43 is attached to the outer surface of the mounting frame 44 to which the drive mechanism of the product transport conveyor 1 located on the opposite side to the side on which the magnet 42 is attached in the product transport conveyor 1, and the product transport conveyor 1 is moved horizontally. Can be easily performed. The grip 43 can be used to move the label lowering apparatus B including the product transport conveyor 1 upward after the product transport conveyor 1 is moved horizontally.

In addition, a product detection sensor 20 for detecting that the product a ′ is supplied onto the product transport conveyor 1 is provided on the inlet side (upstream side) of the product transport conveyor 1. The posture of the label conveyor 4 is switched, that is, the operation starts from the horizontal state to the standing and inclined state, and when a predetermined time elapses from the detection signal of the product detection sensor 20, it is determined that label sticking has been completed, and the state changes from the inclined state to the horizontal state. A timer (not shown) for performing the switching control is activated.
The product detection sensor 20 may be either a transmission type or a reflection type, and is configured to turn on / off an electromagnetic solenoid that switches the posture of the label transport conveyor 4 to be described later with the detection signal.

  At a lower position within the range of the opening 2 of the product transporting conveyor 1, a label transporting conveyor 4 is arranged with its transporting direction in the same direction as the transporting direction of the product transporting conveyor 1. The label issuing unit 3 is disposed in the section so as to cross the direction in which the label L is issued at right angles to the conveying direction of the label conveying conveyor 4.

The label issuing unit 3 prints and issues required data, for example, items such as barcodes, additive names, and origin indications, on the label L based on data input from the console unit 11 of the packaging apparatus A. It consists of '.
As shown in FIG. 4, the label printer 3 'includes a label roll 3a in which a label is detachably attached to a mount, a thermal head 3b, a platen roller 3c, and a mount take-up roller 3d. , A feed roller 3e, a mount roller 3d and a motor 3f for driving and rotating the feed roller 3e, etc., which are well known today, and the required items are printed on a label on the mount by a thermal head 3b and a platen roller 3c. Then, the label after printing is peeled off from the mount by the dispenser 3g at the tip of the platen roller 3c, sent to the issuing port, and delivered to the label conveying conveyor 4 arranged so as to cross the issuing port substantially at right angles.

The label conveying conveyor 4 includes a pair of rollers 4a and 4a ′, an endless belt 4b wound around the pair of rollers 4a and 4a ′, and a motor 4c that drives and rotates one of the pair of rollers 4a. The rotation of the motor 4c is transmitted to the roller 4a by belt transmission. A large number of suction holes 4d are formed in the endless belt 4b that rotates endlessly, and a suction force generating means 5 is accommodated in the interior defined by the pair of rollers 4a, 4a ′ and the endless belt 4b. Has been placed.
The suction force generating means 5 is composed of a suction fan and a motor, and is arranged such that suction force is generated on the transport surface (outward side) of the endless belt 4b by the rotation of the suction fan. The suction force generating means 5 is attached to a frame 4e that supports the pair of rollers 4a and 4a 'of the label transport conveyor 4. In the frame 4e, a plurality of (three in the drawing) long holes 27 communicating with the suction force generating means 5 are formed in a plane portion that supports the forward path side of the endless belt 4b. A suction force is generated on the forward path surface of the endless belt 4b.
As a result, the label L issued from the label issuing unit 3 with the adhesive surface facing up is placed on the endless belt 4b, and is sucked and held on the endless belt 4b by the suction force acting on the belt surface.
A label issuing sensor 45 that detects whether or not a label L has been issued on the endless belt 4 b of the label conveying conveyor 4 is installed below the label conveying conveyor 4.

Further, the label conveying conveyor 4 maintains a horizontal state when receiving a label from the label issuing unit 3 and, after receiving the label, conveys and supplies the label L to the opening 2 of the commodity conveying conveyor 1. The posture is switched to the inclined state, and the posture is switched to the initial horizontal state after the label L is attached to the lower surface of the product.
The posture switching control is performed in such a manner that the frame 4e is fixed so that the conveyor 4 as a whole rotates up and down around the axis 21 of one of the rollers 4a and 4a 'which is driven and rotated among the pair of rollers 4a and 4a' in the label conveyor 4. It is attached to be able to rotate. An electromagnetic solenoid 22 for raising and lowering the conveyor 4 is connected via a linkage 23 on the outer side (right side in FIG. 5) of the rotation center axis 21 of the frame 4e.
Accordingly, when a detection signal is output from the commodity detection sensor 20 described above, the electromagnetic solenoid 22 is turned on and the rod 22 'is pulled in, whereby the label transport conveyor 4 is rotated upwardly with the axis 21 as a fulcrum. . Then, when the timer is started from the detection signal output of the commodity detection sensor 20 and a predetermined time has elapsed, the energization to the electromagnetic solenoid 22 in the ON state is turned off, and thereby the weight of the label transport conveyor 4 and the electromagnetic solenoid 22 are built in. The rod 22 'is pushed out by the action of the spring, and the posture of the label transport conveyor 4 is switched from the inclined state to the horizontal state.

Further, the label conveying conveyor 4 is provided with a label presser 6 for pressing the label L sucked and held on the endless belt 4b of the conveyor 4.
As shown in FIG. 5, the label presser 6 includes a plurality of rollers 6b each having an outer peripheral surface formed at an acute angle like a Soroban ball at the front end of a frame 6a having a substantially L-shaped side surface and a substantially U-shaped side surface. It is configured to be freely mounted. This label presser 6 is pivotally supported by a shaft 24 connecting the frame 4e and the linkage 23 of the label transport conveyor 4 so that the lower end of the vertical portion of the frame 6a is rotatable. A protruding piece 25 is formed to protrude at the end opposite to the side on which 6b is attached (right side in FIG. 5), and in the horizontal state of the label conveying conveyor 4, the engaging piece 26 is attached to the fixing member. And the label presser 6 is configured to be held away from the surface of the endless belt 4 b of the label conveyor 4.

Accordingly, when the posture of the label conveyor 4 is switched to the upward inclined state with the axis 21 as a fulcrum by the action of the electromagnetic solenoid 22, the protruding piece 25 of the label presser 6 is separated from the engaging piece 26, and the frame 6a is connected to the shaft 24. The front end side to which the roller 6b is attached rotates about its own weight, and the roller 6b contacts the label L sucked and held on the endless belt 4b of the label conveyor 4. By forming the shape of the roller 6b in the label presser 6 into a Soroban ball having an acute outer peripheral surface, it is difficult to adhere when the label L is pressed, and the label L can be transported smoothly. The roller 6b may be formed into a cylindrical shape without forming a Soroban ball, and the surface thereof may be subjected to an easily peelable surface treatment (for example, Teflon (registered trademark) processing).
In a horizontal state where the label transport conveyor 4 receives the label from the label issuing unit 3, the label transport conveyor 4 maintains a non-contact state separated from the surface of the endless belt 4b of the conveyor 4, and the label transport conveyor 4 receives the label L and tilts upward. When the posture is switched to the state, the belt L is approached and urged so as to press the label L sucked and held on the endless belt 4b.

In the label lowering apparatus B configured as described above, the conveying surface of the first conveying conveyor 14 and the conveying surface of the commodity conveying conveyor 1 are the same height in a normal use state (lower position). In order to facilitate the maintenance work of the constituent members of B (label issuing unit 3, label transport conveyor (label sticking unit 4), etc.), the label lowering device B is attached to the first transport conveyor 14. It is supported so as to be movable upward from the conveyance surface.
In the supporting structure, the label under-sticking device B is connected and supported at the front position of the packaging device A by the parallel link mechanism 33, and a gas spring 47 is installed over the parallel link mechanism 33 and the packaging device. Although the gas spring itself is well known, in brief, it is a member that encloses high-pressure nitrogen gas in a cylinder tube and uses the pressure of this high-pressure gas as a spring. Force can be obtained, the speed in the direction of expansion and contraction can be controlled, and the impact can be reduced.

Further, a fixing means 48 for sucking and holding the label lowering device B at the lower position is provided at a position facing the parallel link mechanism 33 in the packaging device A, and detects the fixing state (the state set at the lower position). A lower position sensor 49 is attached to the packaging device side.
The fixing unit 48 includes a magnet 48a attached to the lower surface of the lower link frame 33a in the parallel link mechanism 33, a magnet 48a fixed to the packaging device side, and an adsorption plate 48b that adsorbs the magnet 48a and the adsorption plate. As the label 48b is adsorbed, the label lowering apparatus B is maintained in the lower position. The lower position sensor 49 detects whether or not the label lowering device B is set at the lower position.
As the lower position sensor 49, a proximity sensor is used, and if the link frame 33a of the parallel link mechanism 33 is detected by the proximity sensor, it is determined that the label lowering device B is set at the lower position. The lower position sensor is not limited to the proximity sensor, and may be any sensor that can detect the position, and the type of sensor is not limited.
The detection signal of the lower position sensor 49 (the label lowering device B is set at the lower position) is a requirement for starting the packaging machine. As a result, the packaging machine starts in a state where the label lowering device B is not set at the lower position (the state where the label lowering device is located above the first conveyor), It is possible to prevent the occurrence of trouble such that the product is damaged by contact with the label lowering device B.

  Further, the label lowering device B is moved upward by the parallel link mechanism 33 rotated by the operation of the gas spring 47. However, the upward movement does not bend the label roll exchange or maintenance work. The purpose is to keep standing. Therefore, the height of the upper position when moved upward is such that at least the position of the label roll setting unit and the label printing unit printing unit in the label lowering apparatus B is located above the first conveyor 14. Is preferred.

  Further, the label lowering device B at the lower position is suspended and supported by the parallel link mechanism 33, and the label lowering device is rotated by the operation of the gas spring 47 from the lower position. B is pivotally moved obliquely upward. By setting the upper limit of movement in the upward direction (upper position) to a position where the parallel link mechanism 33 is substantially horizontal (horizontal or horizontal front / rear position), the label lowering device B moved to the upper position is It will be in the state which protruded ahead of the packaging apparatus from the time of setting to a position (refer FIG. 10). Thereby, a label lowering apparatus can be moved upward, without contacting the sticking machine of the upper label.

The label L transported by the operation of the label transport conveyor 4 is such that the product a ′ transported by the product transport conveyor 1 passes through the opening 2 formed in the transport path of the conveyor, thereby lowering the bottom surface of the product. However, if the product a ′ transported by the product transport conveyor 1 always passes through the same position with respect to the opening 2, the position where the label L is pasted can also be fixed.
For that purpose, the movement position of the product a ′ supplied from the first transport conveyor 14 to the product transport conveyor 1 is constant, and between the first transport conveyor 14 and the product transport conveyor 1 and of the transport conveyor 14. A guide member 28 is provided at one end portion in the width direction.

  The guide member 28 guides the product a ′ transported by the first transport conveyor 14 toward the side wall 29 that stands on the side of the opening 2 of the product transport conveyor 1, and rotates vertically. It is composed of rollers.

  When the label L is affixed to the lower surface of the product by the label lowering device B, the product a ′ is installed in parallel on the downstream side of the product conveying conveyor 1 in the label lowering device B with the conveying direction orthogonal to each other. It is discharged to the second conveyor 15.

The present invention is not limited to the embodiment described above, and the following modifications are possible.
(1) The type of the packaging machine that constitutes the packaging device is not limited. Moreover, the conveyance direction of the 1st conveyance conveyor arrange | positioned at the product discharge part of a packaging machine is determined according to the installation place of an apparatus, and may be either right or left.
(2) The product conveying conveyor in the label underlaying apparatus is not limited to a roller conveyor, and may be a belt conveyor.
(3) The first transport conveyor may be a conveyor with a built-in heater unit. In that case, a heater part becomes unnecessary in the discharge part of a packaging machine.
(4) Since the label is automatically attached to the lower surface of the product (packaged product) discharged through the packaging machine, the product already packaged without packaging is supplied to the packaging machine, The label may be automatically attached to the lower surface of the product by discharging without being operated.

The front view which shows the outline of the packaging apparatus which concerns on this invention. The top view which shows the outline. The partial notch top view which expands and shows the principal part. The same part notch side view. FIG. 5 is a longitudinal side view taken along line (5)-(5) in FIG. 4. FIG. 5 is a longitudinal side view taken along line (6)-(6) in FIG. 4. FIG. 5 is a cross-sectional view taken along line (7)-(7) in FIG. 4. The state which horizontally moved the goods conveyance conveyor of the label lowering apparatus to the near side is shown, (a) is a side view, (b) is the same top view. The side view which shows the support structure which supports a label lowering apparatus so that a movement upward is possible. The side view which shows the state which moved the label sticking apparatus upward. FIG.

Explanation of symbols

A ... Packaging device B ... Label labeling device 1 ... Commodity conveyor 2 ... Opening 3 ... Label issuing unit 4 ... Label conveyor (labeling unit)
14 ... First transfer conveyor 47 ... Gas spring 49 ... Lower position sensor

Claims (8)

A packaging device with a label lowering function for applying a label to the lower surface of a packaged product discharged from a packaging machine having a packaging function with a stretch film,
A first conveyor for discharging the packaged product discharged from the packaging machine out of the packaging machine;
A label underlaying device arranged in a manner connected to the downstream side of the first conveyor,
The label lowering apparatus receives a product from the first transport conveyor and transports the product, and opens a label pasting opening in the middle of the transport path, and a product located below the product transport conveyor. A label issuing unit for issuing a label to be attached to the lower surface of the product, and a label attaching unit for attaching the label to the lower surface of the product passing through the opening through the opening of the product transport conveyor, The sticking device can be moved upward from the first conveyor, and the upper position when the label lowering device is moved upward is the set position of the label roll in the label issuing unit. A packaging device, wherein the packaging device is located above the transport surface of the bag. Label issuing unit of the label Shitabari apparatus is arranged to print the label in a direction to Cartesian and product conveying direction of the product conveyor, and product conveyor is a movable horizontally, wherein the movement of the product conveyor The packaging device according to claim 1, wherein the label issuing unit is exposed.   The packaging apparatus according to claim 2, wherein a horizontal movement direction of the commodity conveyor is a direction orthogonal to a commodity conveying direction and a front side of the apparatus.   The packaging device according to any one of claims 1 to 3, wherein the label underlaying device is configured to be movable upward after a horizontal movement of a commodity transport conveyor.   The packaging apparatus according to any one of claims 1 to 4, wherein the vertical movement mechanism of the label lowering apparatus includes a parallel link mechanism and a gas spring.   The sensor which detects that the said label lowering apparatus is set to the lower position is provided in a packaging machine, The detection signal from the sensor is a requirement for the said packaging machine start, 6. The packaging device according to any one of items 5 to 5. The label sticking part for sticking the label attached to the upper surface of the product moves to the upper position of the product conveying conveyor of the label lowering device in the front-rear direction of the packaging machine at the position on the packaging machine side facing the label lowering device. The distance from the packaging apparatus main body at the uppermost position where the label lowering apparatus moves while being rotated obliquely upward is compared with the distance from the packaging apparatus main body at the lowest position of the label lowering apparatus. packaging device according to any one of claims 1 to 6, characterized in that it further away. The label underlaying device has a handle portion on the front surface of the device that is orthogonal to the conveying direction of the product conveying conveyor, and the product conveying conveyor moves horizontally by pulling the grip portion toward the front of the device, and further the handle portion is moved upward. The packaging device according to any one of claims 1 to 7, wherein the whole label lowering device can be moved upward by pushing up .

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