JPH0669106U - Packing equipment - Google Patents

Abstract

(57) [Summary] [Purpose] Automatic and continuous packing work can be performed even for boxes with different heights. [Configuration] The strapping machine 35 for winding the cord in the box 28 to be fed in a state in which the flap is folded, is disposed in the vicinity of the packaging machine 35, the elevation frame 39 provided vertically movably to the base 37 And a box body 28 which is disposed on both side edges of the lifting platform 39 and is brought into contact with and separated from the box body 28 fed to the lower end of the rod from above .
Drive device 4 that includes a pressing cylinder 50 that has a pressing plate 53 that presses the flaps of the
3 and the height information of the box 28 to be fed are input, and a control unit that moves the elevating table 39 up and down based on the height information and moves the holding cylinder 50 to a position corresponding to the height of the box 28. To have.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a packing machine, and more particularly to a packing machine that can automatically pack boxes of various heights.

[0002]

[Prior art]

 When selecting flowers, etc., what is delivered from the cultivating farmer in a box is graded by looking, etc., and the grade is written on the box and sent to the sorting line. For example, it reads at a predetermined position, and based on this read information, the boxes are automatically ejected to a predetermined position for each grade and automatically sorted. A flap folding device that folds the flaps of the box body is installed at a predetermined position on the sorting line, and a packing machine is installed following the flap folding device so that the box body can be hooked. There is. This packing machine conventionally has a structure as shown in FIG. Reference numeral 10 denotes a pressing cylinder. Two pressing cylinders are arranged diagonally above the box body to be fed, and the pressing plate 12 provided at the rod end of the pressing cylinder presses the flap of the box body obliquely from above and presses the flap. The well-known packaging parts arranged at the front and back are used to tie the front and rear parts of the box body at two places. The pressing cylinder 10 can be manually moved laterally according to the width of the box body by a screw rod 14, and at the same time, the pressing cylinder 10 is attached to an elevating table 16 that can be manually elevated. It has become possible to accommodate boxes of various heights.

[0003]

[Problems to be solved by the device]

 However, the conventional packing machine has the following problems. That is, as described above, the pressing cylinder 10 is moved or the lifting platform 16 is moved up and down according to the width and height of the boxes, all of which are performed manually. When sorting, when the box of that height is sent, the sorting line must be temporarily stopped, the handle 16 must be operated to raise and lower the platform 16, and the height of the holding cylinder 10 must be adjusted. There was a problem that work efficiency was poor.

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to carry out continuous packing work even for boxes having different heights. To provide the machine.

[0005]

[Means for Solving the Problems]

 The present invention has the following configuration to achieve the above object. That is, a packing unit that winds a string around a box body that is fed in with the flap folded, an elevating table that is arranged near the packing unit and is vertically movable on a base, and the elevating table. In the packing machine, which is obliquely disposed on both side edge portions and has a holding cylinder having a holding portion that holds the flap of the box body by contacting and separating from the box body that is fed to the lower end of the rod from diagonally above, the elevating table is raised and lowered. A drive unit, and a control unit for inputting height information of the box to be fed, moving the lifting cylinder up and down based on the height information, and moving the pressing cylinder to a position corresponding to the height of the box. It is characterized by having.

[0006]

[Action]

 According to the packing machine of the present invention, as described above, since the pressing cylinder is automatically moved up and down to the position corresponding to the height of the boxes, even if boxes with different heights are mixed. Packing can be done continuously, and work efficiency can be greatly improved.

[0007]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows a side view of a flap folding device 20 and a packing machine 22 incorporated in the middle of a sorting line. FIG. 2 is a front view of the packing machine 22. A conveyance path 23 including a group of rollers is provided across the flap folding device 20 and the packing machine 22. The flap folding device 20 is a known device, but in brief description, it has a flap folding plate 24 above the conveying path 23. The flap folding plate 24 is supported by a parallelogram link 25 so as to be rotatable in the vertical direction while keeping the horizontal position. Reference numeral 26 denotes a cylinder device, the rod end of which is connected to the link 25 to rotate the flap folding plate 24. Reference numeral 27 is a guide plate, which is arranged on both sides of the conveyance path 23 and guides the box 28. Then, when the box body 28 is conveyed on the conveyance path 23, the flap folding plate 24 is lowered by the cylinder device 26, whereby the flap of the box body 28 is pressed and folded. Reference numeral 29 denotes a height detection sensor having a light emitting element and a light receiving element. Three height sensors 29 are arranged on both sides of the transport path 23 at predetermined intervals in the vertical direction. The detection is performed in three stages of large, medium and small. That is, it is small when the light from the lower one sensor is shielded, medium when the lower two sensors are shielded, and large when the light from all three sensors is shielded. The detection signal of the sensor 29 is input to a control unit (not shown), and the height is determined. A flap pressing roller 31 is provided on a pivot rod 32 that pivots in a vertical plane. The pivot rod 32 is pivoted by an air cylinder 33 to move up and down, and is fed from the flap folding device 20. The flap of the box body 28 is pressed to maintain the folded state of the flap.

The packing machine 22 has the following configuration. Numerals 35 and 35 are packing portions having a known mechanism, which are arranged at a predetermined interval in the feeding direction of the box body 28 fed from the flap folding device 20 and are connected to two front and rear portions of the fed box body 28. It can be hung. Reference numeral 36 denotes a flap pressing portion, which is arranged so as to be located between the packing portions 35, 35. As is clear from FIG. 2, the flap pressing portion 36 has an elevating table 39 which is supported on a base 37 by a screw rod 38 so as to be vertically movable. Reference numerals 40 and 40 denote guide poles, which are erected on the lift base 39 and guide the lift of the lift base 39 by inserting the slide bearings 41 of the base 37. The screw rod 38 is rotatably supported between a base 37 and a support frame 42 supported by the base, and is screwed to an elevating base 39. Reference numeral 43 is a forward / reverse motor, which rotates the screw rod 38 forward / reversely via bevel gears 44, 45.

As is clear from the embodiment, a sensor 47 composed of three light emitting elements / light receiving elements is provided on the base 37 at predetermined intervals in the vertical direction. Further, a shield plate 48 is provided on the guide pole 40 that moves up and down together with the lift base 39, and the forward / reverse motor 43 is driven at a position where the shield plate 48 shields the number of sensors 47 supported by the control unit. To stop the elevating table 39 at a predetermined height position. Reference numerals 50 and 50 denote pressing cylinders, which are attached to a movable body 52 supported on a screw rod 51 on the lower surface side of the lifting table 39 so as to be movable in the width direction of the transport path 23. As shown in the figure, the pressing cylinder 50 is obliquely arranged so that its rod advances and retreats obliquely from the upper side with respect to the box 28 fed. A pressing plate 53 having a substantially L-shaped front shape is attached to the lower end of the rod. When the rod extends in the direction of the box 28, the pressing plates 53, 53 press the flap of the box 28 to the pressing roller. It can be pressed down after 31. The movable body 52 is made movable in the width direction of the transport path 23 by rotating the screw rod 51 with a handle (not shown), so that the box bodies 28 having different widths can be dealt with. The handle can be manually operated, but of course, the movable body 52 may be automatically moved so as to be automatically moved.

It is configured as described above. Next, the operation will be described. As described above, the flap 28 is folded by the flap folding device 20 while the box 28 is being fed through the transport path 23, and then the flap 28 is pressed by the pressing roller 31 and the box 28 is kept pressed in the packing machine 22. Sent to. When the flap is folded by the flap folding device 20, the detection signal of the sensor 29 is input to the controller, and the controller determines whether the height of the box 28 is large, medium or small. The height position of the pressing cylinder 50 in the packing machine 22, that is, the height position of the lift table 39 is set according to this determination step, and the forward / reverse motor 43 is driven by a signal from the control unit to move the lift table. 39 is moved up and down. When the sensor 47 detects the ascending / descending movement of the ascending / descending table 39, the forward / reverse motor 43 is stopped when the ascending / descending table 39 is moved to a predetermined height position set by the controller, and the pressing cylinder 50 is moved to the height of the box 28. It is adjusted to a predetermined height position according to the above. The box 28 is sent to the packing machine 22 via the pressing roller 31. In the packing machine 22, the pressing cylinder 50 is driven and the pressing plate 53 continuously presses the pressing roller 31 against the pressing roller 31. In this state, the packing portions 35, 35 arranged in the front and rear are driven, and the front and rear positions of the box 28 are strapped. When the strapping is completed, the rod of the pressing cylinder 50 is retracted, and the box 28 is sent out of the packing machine 22.

Since the width of the box 28 does not change so much even if the height changes, the handle may be operated as necessary to adjust the distance between the two holding cylinders 50. Alternatively, a sensor (not shown) for separately detecting the width of the box body 28 is provided, the screw rod 51 is driven by a motor, the movable body 52 is moved according to the width of the box body 28, and the pressure between the holding cylinders 50 is increased. The interval may be automatically adjusted. In the above embodiment, the sensor 29 for detecting the height of the box 28 is provided. However, when the height of the box 28 is known, the worker inputs the height data to the control unit, The forward / reverse motor 43 may be driven.

Although the present invention has been variously described with reference to the preferred embodiments, the present invention is not limited to these embodiments, and many modifications can be made without departing from the spirit of the invention. Of course.

[0013]

[Effect of device]

 According to the packing machine of the present invention, as described above, since the pressing cylinder is automatically moved up and down to the position corresponding to the height of the boxes, even if boxes with different heights are mixed. Packing can be done continuously, and work efficiency can be greatly improved.

[Submission date] April 7, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content] [Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a packing machine, more specifically, a packing machine capable of automatically packing boxes with various heights. apparatus Regarding

[0002]

[Prior art]

At the time of selecting flowers, etc., those delivered in boxes from cultivating farmers are sent to the selection line, the grade is visually determined, and the data is input to the control device. The grade is automatically printed or entered on the box . Automatic sorting so as automatically to discharge the box body in a graded or market-specific predetermined position on the basis of input information on whether previously read at a predetermined position of the automatic printing or filled-in grade selected by line I am doing it. A flap folding device that folds the flaps of the box body is installed at a predetermined position on the sorting line, and a packing machine is installed following the flap folding device so that the box body can be hooked. There is. This packing device conventionally has a structure as shown in FIG. Reference numeral 10 denotes a pressing cylinder. Two pressing cylinders are arranged diagonally above the box body to be fed, and the pressing plate 12 provided at the rod end of the pressing cylinder presses the flap of the box body obliquely from above and presses the flap. A well-known packing machine arranged at the front and back is used to tie one or more places . The pressing cylinder 10 can be manually moved laterally according to the width of the box body by a screw rod 14, and at the same time, the pressing cylinder 10 is attached to an elevating table 16 that can be manually elevated. It has become possible to accommodate boxes of various heights.

[0003]

[Problems to be solved by the device]

However, the conventional packing machine has the following problems. That is, as described above, the pressing cylinder 10 is moved or the lifting platform 16 is moved up and down according to the width and height of the boxes, all of which are performed manually. When sorting, when the box of that height is fed, the sorting line is temporarily stopped, or the handle is operated during operation to raise and lower the platform 16, and the height of the holding cylinder 10 is adjusted accordingly. However, there was a problem that work efficiency was poor.

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to carry out continuous packing work even for boxes having different heights. To provide the equipment .

[0005]

[Means for Solving the Problems]

 The present invention has the following configuration to achieve the above object. That is, wrap the string around the box that is fed with the flap folded. Packing machine And thePacking machineIs provided near the base and is provided on the base so that the base can be raised and lowered, and both side edges of the base.Arranged, In the box sent to the lower end of the rodFrom aboveA retainer that has a retainer that attaches and detaches to retain the flap of the boxapparatusPacking withDress Setting In the above, a driving device for raising and lowering the elevating table and height information of the box to be fed are input, and the elevating table is elevated and lowered based on the height information,apparatusAnd a control unit that moves the box to a position according to the height of the box.

[0006]

[Action]

According to the packing apparatus of the present invention , as described above, the holding device having the flap holding portion is automatically moved up and down to a position corresponding to the height of the box, so that boxes with different heights can be installed. Even if they are mixed, they can be packed continuously and work efficiency can be greatly improved.

[0007]

【Example】

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows a side view of a flap folding device 20 and a packing device 22 incorporated in the middle of a sorting line. FIG. 2 is a front view of the packing device 22. A conveying path 23 including a group of rollers is provided across the flap folding device 20 and the packing device 22. The flap folding device 20 is a known device, but in brief description, it has a flap folding plate 24 above the conveying path 23. The flap folding plate 24 is supported by a parallelogram link 25 so as to be rotatable in the vertical direction while keeping the horizontal position. Reference numeral 26 denotes a cylinder device, the rod end of which is connected to the link 25 to rotate the flap folding plate 24. Reference numeral 27 is a guide plate formed by a drive belt or the like , which is arranged on both sides of the conveyance path 23 and guides the box 28 for conveyance . Thus, when the box 28 is conveyed on the conveying path 23 to detect that you box body is carried, the flap folding plates 24 is lowered by the cylinder device 26, the flap more box 28 thereto It is pressed down and folded. Numeral 29 is a photoelectric switch for detecting the height. Three photoelectric switches 29 are arranged on both sides of the conveyance path 23 at predetermined intervals in the vertical direction, and the height of the box body 28 in which the flaps are folded is large. It is designed to detect in three stages, medium and small. That is, when the lower one photoelectric switch detects (detects the box), it is small, and when the lower two photoelectric switches detect (detects the box), the middle three photoelectric switches detect It becomes large when (a box is detected). It is small when the light from the sensors is blocked, medium when the lower two sensors are blocked, and large when all three sensors are blocked. The detection signal of the sensor 29 is input to a control unit (not shown), and the height is determined. A flap pressing roller 31 is provided on a pivot rod 32 that pivots in a vertical plane. The pivot rod 32 is pivoted by an air cylinder 33 to move up and down, and is fed from the flap folding device 20. The flap of the box body 28 is pressed to maintain the folded state of the flap.

The packing device 22 has the following configuration. Numerals 35 and 35 are packing machines having a known mechanism, which are arranged at predetermined intervals in the feeding direction of the box 28 fed from the flap folding device 20 and are connected to two front and rear portions of the fed box 28. It can be hung. Reference numeral 36 denotes a flap pressing portion, which is arranged so as to be located between the packing machines 35, 35. As is clear from FIG. 2, the flap pressing portion 36 has an elevating table 39 which is supported on a base 37 by a screw rod 38 so as to be vertically movable. Reference numerals 40 and 40 denote guide poles, which are erected on the lift base 39 and guide the lift of the lift base 39 by inserting the slide bearings 41 of the base 37. The screw rod 38 is rotatably supported between a base 37 and a support frame 42 supported by the base, and is screwed to an elevating base 39. Reference numeral 43 is a forward / reverse motor, which rotates the screw rod 38 forward / reversely via bevel gears 44, 45.

As is clear from the embodiment, three photoelectric switches 47 are provided on the base 37 at predetermined intervals in the vertical direction. A shield plate 48 is provided on the guide pole 40 that moves up and down together with the lift base 39. The shield plate 48 drives the forward / reverse motor 43 at a position where the shield plate 48 shields the photoelectric switches 47 as many as instructed. It stops so that the ascending / descending platform 39 is stopped at a predetermined height position. Reference numerals 50 and 50 denote pressing cylinders, which are attached to a movable body 52 supported on a screw rod 51 on the lower surface side of the lifting table 39 so as to be movable in the width direction of the transport path 23. As shown in the figure, the pressing cylinder 50 is obliquely arranged so that its rod advances and retreats obliquely from the upper side with respect to the box 28 fed. A pressing plate 53 having a substantially L-shaped front shape is attached to the lower end of the rod. When the rod extends in the direction of the box 28, the pressing plates 53, 53 press the flap of the box 28 to the pressing roller. It can be pressed down after 31. The movable body 52 is made movable in the width direction of the transport path 23 by rotating the screw rod 51 with a handle (not shown), so that the box bodies 28 having different widths can be dealt with. The handle can be manually operated, but of course, the movable body 52 may be automatically moved so as to be automatically moved.

It is configured as described above. Next, the operation will be described. As described above, the box 28 is folded by the flap folding device 20 while being fed through the transport path 23, and then the flap 28 is pressed by the pressing roller 31 so that the box 28 is packed while being pressed.apparatusIt is sent to 22. When the flap is folded by the flap folding device 20,light Electric switch The detection signal of 29 is input to the control unit, and the control unit determines whether the height of the box body 28 is large, medium, or small.apparatusThe height position of the pressing cylinder 50 at 22, that is, the height position of the lift table 39 is set, and the forward / reverse motor 43 is driven by a signal from the control unit to lift the lift table 39. The up-and-down movement of the up-and-down table 39 is detected by the photoelectric switch 47, the forward / reverse motor 43 is stopped when the table is moved to a predetermined height position set by the controller, and the pressing cylinder 50 is moved according to the height of the box 28. It is adjusted to a predetermined height position.That is, of the bin If the upper one photoelectric switch 47 is shielded in the case, in the case of the middle box the upper two lights When the electric switch 47 is shielded, in the case of a small box, three photoelectric switches 4 in front of When 7 is shielded, the forward / reverse motor 43 is stopped. The box 28 is packed via the pressing roller 31.apparatusIt is sent to 22. packingapparatusIn 22, the pressing cylinder 50 is driven so that the pressing plate 53 presses the pressing roller 31 continuously to the pressing roller 31. Packing placed in front and behind in this stateapparatus35, 35 are driven and the front and rear positions of the box 28 are hooked. When the strapping is completed, the rod of the pressing cylinder 50 is retracted, and the box 28 is packed. apparatus 22 is sent out.

Since the width of the box 28 does not change so much even if the height changes, the handle may be operated as necessary to adjust the distance between the two holding plates 53 . Alternatively, a sensor (not shown) for separately detecting the width of the box 28 is provided, the screw rod 51 is driven by a motor, the movable body 52 is moved according to the width of the box 28, and the space between the pressing plates 53 is changed. The interval may be adjusted automatically. In the above has been set to three stages can give rise later to multiple stages using a plurality of height detection sensor. In the above embodiment, the photoelectric switch 29 for detecting the height of the box 28 is provided. However, when the height of the box 28 is known, a person inputs the height data to the control unit in advance. The forward / reverse motor 43 may be driven.

Although the present invention has been variously described with reference to the preferred embodiments, the present invention is not limited to these embodiments, and many modifications can be made without departing from the spirit of the invention. Of course.

[0013]

[Effect of device]

According to the packing apparatus of the present invention , as described above, the holding device having the flap holding portion is automatically moved up and down to a position corresponding to the height of the box, so that the boxes with different heights are Even if the bodies are randomly mixed, they can be packed continuously without human intervention , greatly improving work efficiency.

[Brief description of drawings]

FIG. 1 is a side view of a packing machine.

FIG. 2 is a front view of the packing machine.

FIG. 3 is an explanatory diagram of a conventional packing machine.

[Explanation of symbols]

 28 Box 35 Packing Part 37 Base 39 Lifting Table 43 Forward / Reverse Motor 50 Holding Cylinder 53 Holding Section

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] April 7, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of device ] Packing device

[Scope of utility model registration request]

[Brief description of drawings]

FIG. 1 is a side view of a packing machine.

FIG. 2 is a front view of the packing machine.

FIG. 3 is an explanatory diagram of a conventional packing machine.

[Explanation of Codes] 28 Box 35 Packing Machine 37 Base 39 Lifting Table 43 Forward / Reverse Motor 50 Holding Cylinder 53 Flap Holding Plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Tohoshizawa 1-19-1 Nakagosho, Nagano City Yanagihara Manufacturing Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A packing unit that winds a string around a box body fed with a flap folded therein, and an elevating table that is arranged near the packing unit and is vertically movable on a base. A packing machine comprising a pressing cylinder obliquely disposed on both side edges of the lifting table and having a pressing part that presses a flap of the box body by contacting and separating from a box body that is fed to the lower end of the rod from an obliquely upper position. And a drive device for moving up and down, and height information of the box body to be fed is input, and based on the height information, the lifting platform is moved up and down, and the pressing cylinder is moved to a position corresponding to the height of the box body. A packing machine comprising: a control unit.