JP2544878Y2 - Packaging paper placement device used for simple packaging machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a wrapping paper arrangement used for a simple wrapping machine for wrapping paper and simple wrapping paper (referred to as wrapping paper in this specification) on a body to be wrapped. Related to the device.

(Prior art and its problems) The state of affixing the wrapping paper to a wrapped body such as a box containing a product is such that the center of the wrapped paper coincides with the center of the upper surface of the wrapped paper, and the width direction of the wrapped paper is The body is wound on both sides as folding margins, and the folding margins are attached to both side surfaces or the bottom surface of the packaged object.

At present, the wrapping paper is attached manually, but it is difficult to match the center of the wrapping paper with the center of the upper surface of the packaged object, and the work efficiency is poor. When it is necessary to attach the wrapping paper to a large number of objects to be packaged, a large number of workers must be secured to perform this operation.

Therefore, a simple packaging machine that automatically performs this attaching work is required. However, the simple packaging machine is in a state in which the center overlaps the center of the loading position and a positioning device that positions the object to be packaged at the loading position. Wrapping paper placement device to wrap the wrapping paper, and cover the wrapped object with wrapping paper
A wrapping paper attaching mechanism for attaching the folding allowance to the object to be packaged may be considered.

An object of the present invention is to provide a wrapping paper placement device used in this simple wrapping machine.

(Means for Solving the Problems) In order to achieve this object, the present invention relates to a wrapping paper placement device used in a simple wrapping machine that wraps a wrapping paper around a body to be packaged and attaches both sides or a bottom face. A paper feeding device that is provided above the loading position of the packaged object and that can be opened and closed with reference to the center line in the width direction of the loading position to sandwich and feed out the wrapping paper, and a paper receiving device, and operates the paper feeding device. A paper feed driving device; and an opening / closing drive device for opening and closing the paper feeding device and the paper receiving device symmetrically. The paper feeding device and the paper receiving device are arranged such that a center line in a length direction is longer than the input position. The wrapping paper is sent and received so as to overlap with the center line in the vertical direction, and the paper feed drive device performs all or all of the fold of the wrapping paper on the paper receiving device when the paper feeding device and the paper receiving device are in the closed state. part The paper receiving device has a holding function for holding the received wrapping paper in a closed state, and the opening / closing drive device includes the paper receiving device in which the holding function is activated. The paper feeding device that feeds out the wrapping paper so as to support the folding allowance of the wrapping paper by the same size, and the paper receiving device are opened so as to support the wrapping paper in an unfolded state, and the holding function is at least the object to be packaged. Is released immediately before passing through the wrapping paper arrangement position.

Here, the loading position is a position where the packaged object is to be placed immediately before ascending, and the centerline in the width direction and the length direction is always on a fixed line regardless of the size of the packaged object. Entered to stop.

(Operation) When all or part of the fold of the wrapping paper is sent to the paper receiving device in the closed state, the feeding operation of the paper feeding device stops. In this state, the holding function of the paper receiving device operates to hold the fold of the wrapping paper. Then, when the paper feeding device and the paper receiving device perform the opening operation, the wrapping paper is sent out so as to be pulled out from the paper feeding device performing the paper feeding operation. The wrapping paper is sent out so that the dimensions of the fold supported by the paper feeding device and the paper receiving device are equal, and the paper feeding device and the paper receiving device perform the opening operation symmetrically. The center line in the width direction of the paper coincides with the center line in the width direction of the input position. Since the center line in the length direction of the wrapping paper overlaps with the center line in the length direction of the loading position, the wrapping paper is supported in an unfolded state to be attached to the package. In this state, the paper feeding device and the paper receiving device are open at least by the width of the packaged object. Since the holding function is released in the open state, the packaged object can be lifted by covering the wrapping paper.

(Example) Next, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a front view of a simple packaging machine using the packaging paper placement device according to the present invention.

A pair of width direction positioning members are provided at the supply position of the packaged object A.
1, 1 and a length direction positioning member 3 are provided, and constitute a positioning device for positioning the packaged object A at the loading position. Width positioning members 1 and 1 are positioning plates
5 and 5, which are movably attached to a guide member 7 extending in the left-right direction, and which are fixed to the tension side and the loose side of the belt 11 of the positioning belt wheel device 9, respectively. The opening and closing drive is performed symmetrically by the device 9. An encoder (not shown) for detecting an interval between the width-direction positioning members 1 and 1 is attached to a drive shaft of the positioning pulley device 9, and the distance between the width-direction positioning members 1 and 1 is detected in advance. Package A
, The rotation of the drive shaft is stopped by the electromagnetic brake. Therefore, whatever the size of the supplied packaged object A, the center line in the width direction is positioned so as to coincide with the center line for opening and closing the width direction positioning members 1, 1. .

In addition, the width direction positioning members 1 and 1 extend to the raised position of the packaged object A, have guide plates 13 and 13, and secure the positioning state of the packaged object A until the discharge.

The length direction positioning member 3 is supported by support members 17 and 17 fixed to the support beam 15 so as to be movable in the front-rear direction. The lengthwise positioning member 3 moves in accordance with the length of the packaged object A detected in advance, so that the centerline in the lengthwise direction is constant regardless of the size of the packaged object A. Positioning is performed so as to stop on the line.

The width-direction positioning members 1 and 1 are controlled so as to continue to stop while the equal-length objects A are supplied and the length-direction positioning members 3 are stopped while the equal-length objects A are supplied. You.

A paper feeder 19 is provided above the loading position of the packaged object A, and the paper feeder 19 is composed of a lower belt wheel member 21 and an upper pressing member 23. Paper receiving device 25 sandwiched between vehicle member 21 and holding member 23
To send out. The drive shaft 2 is provided between the support shafts 27 of the belt wheel member 21.
The drive shaft 29 is rotatably supported by a support plate 30 and is connected to a paper feed drive device 31. The holding member 23 includes pulleys 35, 35 of support shafts 33, 33, and pulleys 35, 35 rotatably mounted on the support shafts 33, 33.
It is composed of a belt 37 which is fitted to the belt 37.

The paper feed drive device 31 drives the belt wheel member 21 to operate the paper feed device 19 when the paper feed device 19 is in the closed state. The paper feeder 19 is provided with an encoder (not shown) for detecting the moving distance of the wrapping paper after the wrapping paper has been checked by the wrapping paper check sensor 39. When fed to the device 25, the paper feed drive device 31 stops operating.

A gluing device 43 is provided below the belt wheel member 21 between the belts 41, and the gluing device 43 ejects the respective glues immediately after the ejection start sensor 45 detects both ends in the width direction of the wrapping paper. Therefore, glue is attached to both ends in the width direction of the wrapping paper.

A paper receiving device 25 is provided above the input position of the packaged object A so as to be in contact with the paper feeding device 19 on the center line in the width direction.
The paper receiving device 25 includes a pair of upper and lower roller members 47, 47, and the roller members 47, 47 have a sufficient interval to receive the wrapping paper.

The paper receiving device 25 has a holding function of holding the folding allowance of the received wrapping paper.
This is accomplished by a holding device 49 provided on 25. The holding device 49 releases the wrapping paper when the paper receiving device 25 is open. The release is performed immediately before the passage of the packaged object A, and at this time, the paper feeding device 19 sends out the folding allowance of the wrapping paper.

An opening / closing belt wheel device 51, which is an opening / closing drive device, includes a paper feeding device 19 that, when the paper receiving device 25 receives the wrapping paper by the folding size, performs a feeding operation of the wrapping paper until the wrapping paper is supported by the folding size. The paper receiving device 25 and the paper feeding device 19 are opened symmetrically until the paper receiving device 25 supports the wrapping paper in the unfolded state, that is, until the paper receiving device 25 is opened by the width of the packaged object A. Then, when the packaged object A passes, it is closed again.

When the paper feeding device 19 and the paper receiving device 25 are opened and the wrapping paper is supported in the unfolded state, the paper pressing member is placed on the wrapping paper.
53 falls. The paper pressing member 53 can be pushed up with a constant force, and prevents the wrapping paper from shifting when the packaged object A is covered with the wrapping paper and rises. This is an auxiliary member.

A pair of adhering devices 55, 55 are provided above the position where the wrapping paper is disposed, and the adhering devices 55, 55 are mounted on guide support members 57, 57 having an L-shaped cross section and on edges of the guide support members 57, 57. apparatus
Pressing rollers 59, 59 arranged corresponding to 43,
It comprises side plates 61, 61 fixed to the inside of both ends of the guide support members 57, 57. The pressing rollers 59, 59 project outward from the side and top surfaces of the guide support members 57, 57, and are configured to move inward of the guide support members 57, 57 when pressed. Side plate
A support shaft 33 on the left side of the holding member 23 and a support shaft 63 of the roller member 47 on the upper side of the paper receiving device 25 are passed through 61 and 61, respectively, and the side surfaces of the guide support members 57 and 57 have the width of the loading position. Contact above the center line of the direction. Therefore, the paper feed device 19 and the paper receiving device are operated by the opening and closing belt wheel device 51.
When 25 is opened and closed, the attaching devices 55 and 55 are opened and closed in synchronization with this, and in the open state, the guide support members 57 and 57 are opened by the width of the packaged object A. Therefore, when the packaged object A is lifted by the lifting cylinder device 65 when the paper feeding device 19, the paper receiving device 25, and the attaching devices 55, 55 are in the open state, the packaged material A is covered with the wrapping paper and is attached. Equipment 55,5
Rise between five. Since the interval between the pressing rollers 59, 59 is narrower than the width of the packaged object A, the pressing rollers 59, 59 press the fold of the wrapping paper without looseness against both side surfaces of the packaged object A. If the fold size of the wrapping paper is within the height of the packaged object A, the pasting operation is completed here (applied on both sides), and the portions where the wrapping glue of the wrapped paper is attached are on both sides of the packaged object. , Ie, without sticking.

When the bottom surface of the packaged object A reaches the upper surface position of the guide support members 57, the lifting cylinder device 65 stops the lifting operation.
Then, when the attaching devices 55 start the closing operation and support the bottom surface of the packaged object A, the ascending cylinder device 65 starts the descending operation. If the wrapping dimension of the wrapping paper is larger than the height of the packaged object A, the folding allowance is pressed loosely on the bottom surface of the packaged object A by the pressing rollers 59, 59, and the attaching operation is completed (bottom surface bonding). The portion of the wrapping paper to which the folding margin is attached is attached to the attached portion on the bottom surface of the packaged object A, that is, without being shifted. Here, the paper pressing member 53 has a function of applying a sufficient pressing force to the pressing rollers 59, 59, and is particularly useful when the packaged object A is light.

When the attaching devices 55 are closed, the paper pressing member 53 is raised, and the pushing device 67 moves backward to push out the packaged object A.

Reference numeral 69 denotes a paper feeding device, in which a plurality of wrapping paper cassettes 71 accommodate wrapping papers of different sizes, and feed a wrapping paper most suitable for the size of the packaged object A detected in advance. It is supplied to the paper feeder 19 via 73. The supply of the wrapping paper is performed such that the center line in the length direction overlaps the center line in the length direction of the charging position of the packaged object A.

In the figure, reference numeral 75 denotes a positioning roller conveyor for transporting the packaged object A to the loading position.

 FIG. 2 is a plan view of the simple packaging machine.

Both ends of the support shafts 27, 27 of the belt wheel member 21 of the paper feed device 19 and the support shafts 33, 33 of the holding member 23 are fixed to the paper feed connecting members 77, 77, and the paper receiving device 25 (see FIG. 1) is connected. Both ends of the support shafts 63, 63 of the pair of upper and lower roller members 47, 47 (see FIG. 1) are fixed to paper receiving connecting members 79, 79. The paper feed connecting members 77, 77 and the receiving connecting members 79, 79 are movably attached to opening / closing guide members 81, 81 extending in the left-right direction. The paper feeder 19 is fixed to the loose side.
The paper receiving device 25 is opened and closed symmetrically by the opening and closing belt wheel device 51. Opening / closing belt device 51
Is provided with an encoder (not shown) for detecting the interval between the paper feeding device 19 and the paper receiving device 25 (also the interval between the guide support members 57, 57). When the interval becomes equal to the width of the packaged object A detected in advance, that is, when the paper feeding device 19 and the paper receiving device 25 support the wrapping paper by the folding size, the rotation of the drive shaft 85 is stopped by the electromagnetic brake. It is configured to be.

In the figure, 87 is a discharge roller conveyor for discharging the packaged object A, 89 is a supply roller conveyor for supplying the packaged object A, and 91 is the rear part of the ascending cylinder device 65 (see FIG. 1). It is.

FIG. 3 is a diagram showing the details of the longitudinal positioning member 3.

The length direction positioning member 3 has a slide shaft 93, which is movably passed through a support member 17 fixed to the support beam 15. A rack 95 is formed below the lengthwise positioning member 3, and the rack 95 meshes with a gear 99 of a motor of the positioning driving device 97. The positioning driving device 97 is provided with an encoder 101 for detecting a moving distance of the longitudinal positioning member 3, and a front end face 102 of the longitudinal positioning member 3 is detected in advance from a longitudinal center line of the insertion position. The motor is configured to stop rotating when it reaches the rear by half the length of the packaged object A. Proximity sensors 103 are provided on the support member 17 so as to be located on both left and right sides of the length direction positioning member 3, and the approach of detection members 105, 105 provided on the front end and the rear end of the length direction positioning member 3. To sense.

A rear portion 91 of the ascending cylinder device 65 is movably attached to the ascending guide member 107, and is configured to be able to ascend without contacting the lengthwise positioning member 3 that has been advanced (see FIG. 2).

FIG. 4 is a sectional view taken along line IV-IV of FIG.
It is a figure which shows the detail of.

A reinforcing shaft 109 is passed through a side plate 61 (see FIG. 1) fixed inside the guide support member 57 on the paper receiving device 25 side, and a paper stopper 111 is rotatably mounted on the reinforcing shaft 109. ing. A mounting plate 113 is also fixed inside the guide support member 57, and the mounting plate 113 is provided with a stopper cylinder device 115 for pushing down the paper stopper 111 and rotating it downward. Between paper stopper 111 and paper stopper 111
A spring 117 is mounted to rotate the spring upward. A contact member 119 is provided on the lower roller member 47 at a position corresponding to the paper stopper 111. In the closed state, the paper stopper 111 is brought into contact with the support shaft 63 of the upper roller member 47 by the spring 117. When the paper receiving device 25 receives the wrapping paper by the folding allowance, the stopper cylinder device 115 is operated to hit the paper stopper 111 and the member is stopped.
The wrapping paper is held down by the paper stopper 111 and the upper surface of the contact member 119 because it is rotated downward until it comes into contact with the upper surface of the 119. In the open state, the stopper cylinder device 115
The paper stopper 111 is released from the spring 117
Then, the wrapping paper is released by rotating upward until it comes into contact with the support shaft 63 again.

FIG. 5 is a cross-sectional view taken along the line VV of FIG. 2, showing the details of the pressing roller 59.

The pressing roller 59 is rotatably attached to the upper part of the base 120. The lower portion of the base 120 is rotatably attached to one end of a support member 121, and the other end of the support member 121 is rotatably attached to a fixed shaft 123 fixed to a mounting plate 113, and is fixed to the lower end of the substrate 120. Substrate 120 between axes 123
A spring 125 is mounted to move the spring outward. A slope that descends toward the inside is formed above the inside of the substrate 120, and a depression is formed outside. A roller 127 is attached to the mounting plate 113 so as to be in contact with the gradient portion, and a support pin 129 is attached so as to be in contact with the concave portion. The pressing roller 59 has a spring 125
Although it protrudes outward from the cutout portion formed in the guide support member 57 (contained inside in FIG. 1), when it is pressed from the outside, it moves obliquely downward toward the inside.

6 and 7 are views showing a case where the guide plates 13 and 13 are provided with a mechanism for preventing the wrapping paper from loosening.

The guide plates 13, 13 are provided with tension plates 130, 130 which are inclined upward toward the passage side of the packaged object A (FIG. 6).
Constitutes a loosening prevention mechanism. Tension plate
Springs 132, 132 are attached to the back of 130, 130,
The packaged object A uses the fold of the wrapping paper B as the tension plate 130,
It rises while rubbing against 130 (Fig. 7). Therefore, the wrapping paper B comes into close contact with both sides of the packaged object A without any loosening. This tension plate 130,13
0 is particularly useful when both sides of the packaged object A are easily dented.

It is also possible to provide the tension plates 130 with the function of sticking on both sides without making the pressing rollers 59 project from the side surfaces of the guide support members 57.

 FIG. 8 is a side view of the supply roller conveyor 89.

The conveyor body 131 of the supply roller conveyor 89 conveys and moves the packaged object A at a constant speed and supplies the packaged paper A to a supply position below the wrapping paper arrangement position. A standby sensor 133 is provided at the front of the conveyor main body 131. When the standby sensor 133 detects the packaged object A, the standby stopper 135 moves the conveyor main body 131.
The packaged object A is protruded to the conveyance path 31 to be on standby. The standby stopper 135 prevents the next packaged object A from being supplied before the processing of the packaged object A is completed, and also sets the inclined packaged object A to a normal state. is there.

A movement direction sensor 137 is provided on the conveyor body 131 behind the standby stopper 135. The moving direction sensor 137 includes light emitting units and light receiving units disposed at both ends of the conveyor main body 131. The light emitting unit and the light receiving unit are arranged in a direction perpendicular to the moving direction. The length of the package A is detected. Conveyor body 131
Also, a tilt mounting sensor is provided behind the standby stopper 135. The tilt mounting sensor includes a tilt light receiving unit 141 mounted on the support member 139 and disposed above the conveyor body 131, and a tilt light emitting unit 145 disposed below the rollers 143 of the conveyor body 131. 141 and the inclined light emitting unit 145 are
The inclination mounting sensor is arranged in a direction intersecting at an angle of 5 °, and detects a dimension obtained by adding the height to the length of the packaged object A.

At the rear of the conveyor body 131, a width detection sensor 147 is provided. When the width detection sensor 147 detects the packaged object A, the width detection stopper 149 protrudes into the conveying path of the conveyor body 131 and the packaged body. Stop A. Conveyor body 13
1 is also provided with a width detection device 151. The width detection device 151 is a pair of detection plates 153 that can be opened and closed in the width direction.
And a detection pulley device 155 that opens and closes the detection plate 153 symmetrically with respect to the center line in the width direction of the conveyor main body 131. When the packaged object A is stopped by the width detection stopper 149, the detection pulley wheel device 155
Operates, and the detection plate 153 performs the closing operation. The detection belt wheel device 155 is provided with a torque limiter 157, and when the detection plate 153 contacts both side surfaces of the packaged object A, transmission of torque from the motor 159 to the drive shaft 161 is limited. In this state, the packaged object A is positioned at the center of the conveyor body 131 in the width direction. That is, in the supply process, positioning in the width direction is performed temporarily.
An encoder 163 is attached to the drive shaft 161, and a detection plate 153 for contacting both sides of the packaged object A is provided.
To detect the interval. The drive shaft 161 has an electromagnetic brake 1
The detection plate 153 which is provided with 65 and is in the open state is provided.
Is prevented from moving by an external force.

Therefore, in the supply process, the length of the packaged object A is determined by the movement direction sensor 137, the height is determined by subtracting the detection amount of the movement direction sensor 137 from the detection amount of the tilt mounting sensor, and the width is determined by the width detection device 151. Each will be detected. Then, the width direction positioning members 1, 1 and the sheet feeding device 69 are controlled based on the detected amounts.

The standby stopper 135 is lowered at the same time as the width detection stopper 149.

 FIG. 9 is a rear view of the supply roller conveyor 89.

Among the packages A to be conveyed to the middle of the support member 139, the two inclined light receiving units 141 are attached at the interval slightly smaller than the width of the package A to be conveyed. By attaching in this way, even when the packaged object A is conveyed somewhat skewed, the size can be detected.

The detection plates 153, 153 are fixed to mounting members 167, 167.The mounting members 167, 167 are movably mounted on the guide member 169, and are fixed to the tension side and the loose side of the belt 171 of the detection belt wheel device 155, respectively. The detection plates 153, 153 are a detection belt wheel device 155.
To open and close symmetrically in the width direction.

(Effects of the Invention) As described above, according to the present invention, the wrapping paper can be arranged in a state to be attached above the wrapped object, and if the wrapped object is raised, A wrapping paper placement device on which wrapping paper is to be covered can be provided.

[Brief description of the drawings]

FIG. 1 is a front view of a simple wrapping machine using the wrapping paper placement device according to the present invention, FIG. 2 is a plan view of the simple wrapping machine, FIG. 3 is a view showing details of a longitudinal positioning member, FIG. Fig. 4 is the second
FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG.
FIG. 5 is a sectional view taken along line VV of FIG. 2, showing details of the pressing roller, FIGS. 6 and 7 are views showing a case where a guide plate is provided with a loosening prevention mechanism, and FIG. Is a side view of the supply roller conveyor, and FIG. 9 is a rear view of the supply roller conveyor. 19: paper feeder, 25: paper receiving device, 31: paper feed drive, 49: holding device, 51: open / close belt wheel device, A: packaged object

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Creator Toruei Hirai 2800 Fujita, Sugata-cho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Inside Nichiro Industry Co., Ltd. Address Nichiro Kogyo Co., Ltd. (56) References Japanese Utility Model Sho 55-7764 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A wrapping paper placement device used for a simple wrapping machine for wrapping wrapping paper around a body to be packaged and affixing to both sides or a bottom surface, wherein the wrapping paper placement device is provided above a loading position of the packaged body. A paper feeder and a paper receiver that sandwich and feed a wrapping paper that can be opened and closed with respect to the center line in the width direction of the position, a paper feed drive that operates the paper feeder, the paper feeder and the paper receiver An opening / closing drive device that opens and closes the apparatus symmetrically.The paper feeding device and the paper receiving device send and receive the wrapping paper so that the center line in the length direction overlaps the center line in the length direction of the insertion position. The paper feed drive device operates the paper feed device so that when the paper feed device and the paper receiving device are in the closed state, all or a part of the fold of the wrapping paper is sent to the paper receiving device. Let Receiving device has a holding function for holding the wrapping paper received in the closed state,
The opening / closing drive device is configured such that the paper receiving device and the paper receiving device that send out the wrapping paper so as to support the folding allowance of the wrapping paper by an equal size, and the paper receiving device in which the holding function is activated, and the wrapping paper is unfolded. A wrapping paper placement device used in a simple wrapping machine, wherein the holding function is released at the latest just before passing through the wrapping paper placement position of the packaged object.