KR101486280B1 - Wrapping machine with a sensor - Google Patents

Abstract

Provided is a wrapping machine with a sensor enabling easy detection of malfunction of the wrapping machine. The wrapping machine with the sensor according to an embodiment of the present invention comprise: a support having a control unit to apply electrical signals; a lift which is positioned on one side of the support, can move upwards and downwards, and includes a support rod into which a wrapping film with a wound stretch film is inserted and axially rotated, and a roller spaced apart from the support rod and fixing and supporting the stretch film drawn out from the wrapping film; a turntable which is positioned below the support and includes a drive motor operating by receiving the electrical signals applied by the control unit, a first sprocket fixed and axially rotating on one side of the drive motor, a second sprocket connected to the first sprocket by a chain, and axially rotating by receiving driving power of the first sprocket, and a disc-shaped rotor engaged on the second sprocket and rotating linked with the second sprocket; and a sensing means which is installed in the inside of the turntable, wherein the sensing means includes a fixed piece engaged on the second sprocket and rotating linked with the second sprocket; a sensor sensing the number of rotations of the fixed piece; and a supporting unit fixing and supporting the sensor.

Description

[0001] Wrapping machine with a sensor [

The present invention relates to a lapping machine for wrapping and wrapping a product loaded on a pallet with a wrapping film, and more particularly to a lapping machine for wrapping and wrapping a product loaded on a pallet, comprising a proximity sensor adjacent to a sprocket rotating at a constant number of revolutions, The present invention relates to a lapping machine equipped with a sensor capable of easily detecting whether a lapping machine malfunctions or not by detecting the number of revolutions of the lapping machine.

In general, a wrapping machine is a device which packages a wrapping film formed of a thin polyethylene material or the like in order to protect various boxed products or objects (bricks, mechanical devices, etc.) from dust or moisture or to prevent them from being disturbed .

Such a lapping machine is widely used as a manual lapping machine and an automatic lapping machine. The manual lapping machine is a grip type lapping machine which is used by being inserted at both ends of a paper tube, a U-shaped lapping machine which uses a stretch film as a handle by adjusting the degree of tightening and loosening, There is a stick-type lapping machine which uses a stick-type lapping machine. The automatic lapping machine uses a lapping machine composed of a turntable and a lift to which the stretch film is mounted and fixed and moved up and down.

In recent years, automated lapping machines using automation devices have been widely used to reduce labor costs. However, in order to prevent the lapping film from being wasted, the automatic lapping machine is equipped with a support roller on the outer circumferential surface of the turntable lower rotary plate, and a sensor is attached to the support roller so that the operator can confirm the rotation number of the turntable.

However, in such a conventional lapping machine, there is a problem that the turntable is shaken due to abrasion due to friction between the rotating plate and the support roller during long-term use, and thus the detection distance of the sensor for detecting the rotation of the turntable is distant, .

Further, since the rotation number of the turntable can not be detected due to the malfunction of the sensor, the lapping film is wasted, and the operator has to perform the lapping directly or to work next to the lapping machine.

In view of this point, Korean Registered Utility Model No. 20-0263586, entitled " Tape attaching apparatus for wrapping wrapping machine wrapping tape "has been disclosed.

The Korean Registered Utility Model No. 20-0263586, entitled "Tape attaching apparatus for wrapping wrapping machine ", comprises: a support member fixed to one side of a turntable support constituting a lapping machine; A tape guide member and a tape guide member which are hingedly guided to elastically support the end portion of the tape fixed by the tape fixing member and held by the tape guide member, A tape cutting member whose tape guide member is rotated by the tension of the tape when guided so that the tape is cut at a predetermined position, the package is packaged by the wrapper, And a lap end finishing means.

However, the tape attaching apparatus for wrapping finishing of the lapping machine has a complicated structure and is likely to cause failure of the apparatus, and the work efficiency of the operator is lowered due to the waiting time of the work, and the work time is increased.

In addition, there is a problem that a worker always has to wait until the lapping operation is completed to perform the lapping operation on the product stored in the turntable.

Korean Registered Utility Model No. 20-0263586 (Registered Date: January 25, 2002) Korean Registered Utility Model No. 20-0402696 (Registered Date November 29, 2005)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a proximity sensor that is adjacent to a sprocket that rotates at a constant number of revolutions and allows the proximity sensor to detect whether the sprocket is rotating or not, The present invention provides a lapping machine equipped with a sensor capable of detecting a liquid.

Another object of the present invention is to prevent a detection error of a sensor due to use of a lapping machine for a long period of time, thereby preventing a lapping film from being wasted and preventing an inconvenience such as an operator lapping himself or working next to the lapping machine The present invention provides a lapping machine equipped with a sensor capable of detecting a liquid.

It is another object of the present invention to provide a sensor capable of quickly and easily performing a lapping operation by preventing a detection error of a sensor due to shaking of a turntable even when a turntable on which a product is loaded is worn due to abrasion due to friction, And a lapping machine.

The various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a lapping machine including a sensor, including: a support table having a control unit for applying an electrical signal; A supporting bar which is located at one side of the strut and which is reciprocatable upward and downward and which allows the lapping film wound with the stretch film to be inserted and fixed so as to rotate the shaft; A lift having rollers for holding the film fixedly; A first sprocket fixed to one side of the driving motor and axially rotated; and a second sprocket connected to the first sprocket and connected to the first sprocket, A second sprocket for receiving a power of the sprocket and rotating axially; a turntable having a disk-like rotating body fixedly coupled to the second sprocket and rotating in conjunction with the second sprocket; And a sensing unit mounted on the inside of the turntable to sense the number of revolutions, wherein the sensing unit includes: a securing piece fixedly coupled to the second sprocket and rotated in association with the second sprocket; A sensor for sensing the number of revolutions of the fixing member; And a support for fixing the sensor.

The sensor may be a proximity sensor for sensing a rotational position of the fixing member.

The proximity sensor may be a flat-type sensor.

The proximity sensor may be selected from a magnetic type, a magnetic saturation type, a high frequency oscillation type, a differential coil type, or a capacitance type.

The sensor may be spaced apart from the outer circumferential surface of the second sprocket by a predetermined distance.

And an auxiliary sprocket for pressing the chain, which is fastened between the first sprocket and the second sprocket, from the outside to the inside.

The auxiliary sprocket may be symmetrically formed on both sides of the chain so that the chain fastened to the first sprocket and the second sprocket can be tightly coupled.

The proximity sensor may be located at a central portion of the turntable.

The details of other embodiments are included in the detailed description and drawings.

A lapping machine equipped with a sensor according to an embodiment of the present invention is provided with a proximity sensor adjacent to a sprocket rotating at a constant number of revolutions so that the proximity sensor senses whether the sprocket is rotating or not , It is possible to easily confirm whether or not the lapping machine malfunctions.

Further, the lapping machine equipped with the sensor according to the technical idea of the present invention prevents the detection error of the sensor due to the long time use of the lapping machine, so that the lapping film is wasted, It is possible to prevent inconveniences such as the necessity of having to do.

The lapping machine equipped with the sensor according to the technical idea of the present invention prevents the detection error of the sensor due to the swinging of the turntable even when the turntable on which the product is loaded due to abrasion due to friction is shaken, It is possible to perform wrapping conveniently.

It will be appreciated that various embodiments of the inventive concepts of the present invention can provide various effects not specifically mentioned.

1 is an exploded perspective view of a lapping machine having a sensor according to an embodiment of the present invention.
2 is a perspective view illustrating an operation state of a lapping machine provided with a sensor according to an embodiment of the present invention.
3 is a side view showing a lapping machine equipped with a sensor according to an embodiment of the present invention.
4 is a side sectional view schematically showing a part of a lapping machine equipped with a sensor according to an embodiment of the technical idea of the present invention.
5 (a) and 5 (b) are plan views illustrating the operation of a turn table in a lapping machine equipped with a sensor according to an embodiment of the present invention.
FIG. 6 is a view showing major components of a turntable in a lapping machine equipped with a sensor according to an embodiment of the present invention. Referring to FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity.

The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may be referred to as a first component.

Terms such as top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in components. For example, in the case of naming the upper part of the drawing as upper part and the lower part as lower part in the drawings for convenience, the upper part may be named lower part and the lower part may be named upper part without departing from the scope of right of the present invention .

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a preferred embodiment of a lapping machine equipped with a sensor according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view of a lapping machine having a sensor according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating an operation state of a lapping machine equipped with a sensor according to an embodiment of the present invention. 3 is a side view showing a lapping machine equipped with a sensor according to an embodiment of the present invention. FIG. 4 is a side view of a lapping machine equipped with a sensor according to an embodiment of the present invention. 5A and 5B are plan views for explaining the operation of the turn table in a lapping machine equipped with a sensor according to an embodiment of the technical idea of the present invention, FIG. 6 is a view showing major components of a turntable in a lapping machine equipped with a sensor according to an embodiment of the present invention. Referring to FIG.

For reference, the arrows shown in Figs. 2, 3, and 5 indicate the direction in which the lift 200 and the turntable 300 are moved and rotated, respectively, which will be described later.

In a lapping machine having a sensor according to an embodiment of the present invention, the lapping film 600 may include a structure that draws the stretch film 600a in a roll shape on the core (not shown) .

1 to 6, a lapping machine equipped with a sensor according to an embodiment of the present invention includes a strut 100, a lift 200, a turntable 300, and a sensing means 400 .

The support pillars 100 may be formed in a rectangular pillar shape and may include a control unit 110 for applying an electrical signal to the configurations of the lapping apparatus 10 to sequentially perform a wrapping operation have.

The controller 110 controls the configurations of the lapping machine 10 and transmits electric signals to the winch 240 and the drive motor M to be described later. The control unit 110 includes an input unit 111 for inputting the number of revolutions of the turntable 300 or the height of the lift 200 and a control unit 110 for controlling the number of rotations of the turntable 300 stored in the input unit 111, A start button 115 for transmitting an electrical signal to the lift 200 or the turntable 300 to perform a wrapping operation, And an emergency stop button 117 for stopping a work performed when an error occurs in the control unit 10.

The lift 200 is located on one side of the strut 100 and can be reciprocated upward or downward to package the entire product 500. The lift 200 may include a moving body 210, a support rod 220, a roller 230, and a winch 240.

The moving body 210 is connected to and fixed to the wire rope W provided on the winch 240 to be described later with the support rod 220 and the roller 230, And can be reciprocated in the upward and downward directions.

The supporting rod 220 is provided on one side of the moving body 210 and is axially fixed so that the lapping film 600 can be easily rotated. The supporting rod 220 has a diameter smaller than the core (not shown) diameter of the lapping film 600 As shown in Fig.

The rollers 230 are spaced apart from the support bars 220 of the moving body 210 and stretch films 600a drawn out from the wrapping film 600 fixed to the support bars 220 are overlapped with each other And is prevented from being stretched by the load of the stretch film 600a which has been drawn out excessively. At least one roller 230 may be provided and the roller 230 may be staggered between the roller 230 and the roller 230 to support the stretch film 600a more tightly.

The winch 240 is located on the upper side of the cradle 100 and can be driven by receiving information or an electrical signal of the height at which the moving body 210 reciprocates from the controller 110. The winch 240 is provided with a wire rope W fastened and fixed to the moving body 210. The moving body 210 fastened and fixed to one end of the wire rope W is mounted on the upper surface of the strut 100 , And can be reciprocated in the downward direction. The structure of the winch 240 in a lapping machine 10 having a sensor according to an embodiment of the present invention is well known to those skilled in the art, Will not be described in detail.

The turntable 300 receives the electric signal or the rotation number from the controller 110 while the product 500 is placed on the turntable 300 so that the product 500 can be rotated. The turntable 300 may include a driving motor M, a first sprocket 310, a second sprocket 320, and a rotating body 340.

The driving motor M is connected to a start button (not shown) of the control unit 110, which is located on the lower side of the support pedestal 100 and is electrically connected to the control unit 110, 115). The driving motor M may be a rotating motor that is commonly used.

The first sprocket 310 is fixed to a shaft protruded from the driving motor M and can receive a power from the driving motor M and rotate axially.

The second sprocket 320 is axially fixed to the center of the turntable 300 and may be positioned on the same line as the first sprocket 310. The second sprocket 320 is connected to the first sprocket 310 by a chain 330. When the first sprocket 310 is rotated, the second sprocket 320 receives the rotational force of the chain 330, . The second sprocket 320 may have a diameter larger than that of the first sprocket 310, but is not limited thereto.

The rotating body 340 may be fixed on the second sprocket 320 by bolts and may be formed in a circular plate shape so that the second sprocket 320 can rotate simultaneously when the second sprocket 320 rotates .

The turntable 300 may further include an auxiliary sprocket 350.

The auxiliary sprocket 350 may be formed symmetrically on both sides of the chain so that the chain 330 fastened to the first sprocket 310 and the second sprocket 320 can be tightly coupled. That is, the auxiliary sprocket 350 may be inserted into the chain 330 due to long-term use if the chain 330 fastened and fixed to the first sprocket 310 and the second sprocket 320 is tightly coupled, And the rotational force of the first sprocket 310 and the second sprocket 320 can be further improved.

The sensing means 400 transmits the number of times the turntable 300 is rotated to the controller 110 so that the operator can check the number of times the turntable 300 is rotated. The sensing unit 400 may be a proximity sensor. The sensing unit 400 may be of a magnetic type, a magnetic saturation type, a high frequency oscillation type, a differential coil type, or a capacitive type. It is preferable that the proximity sensor uses a flat-type proximity sensor in consideration of the vertical height of the turntable 300. The sensing means 400 may include a fixing member 410, a sensor 420, and a support member 430.

The fixing piece 410 may be formed in a thin plate shape, and may be positioned on the second sprocket 320 and fastened with bolts. The fixing piece 410 rotates in conjunction with the second sprocket 320. When the fixing piece 410 is rotated, the upper surface of the sensor 420, which will be described later, (420) can detect the fixing member (410).

The sensor 420 is configured to sense the fixing piece 410 whenever the fixing piece 410 passes the upper side and counts the number of rotations each time the turntable 300 rotates one time, ) So that the operator can visually confirm it.

The sensor 420 may be provided on the inner side of the rotating circle formed by the chain 330 considering the spatial characteristics of the inside of the turntable 300 and may be spaced apart from the outer circumferential surface of the second sprocket 320 Can be located. That is, the sensor 420 may be located in a space between the first sprocket 310 and the second sprocket 320 at a central portion of the turntable 300 inside the chain 330.

If the sensor 420 is provided outside the turntable 300 to detect the number of rotations of the turntable 300, the lapping machine may cause the roller supporting the turntable 300 to wear after the long- The detection error of the sensor 420 detecting the rotation number of the turntable 300 is very likely to occur.

Therefore, in order to reduce this possibility, the lapping machine equipped with the sensor according to an embodiment of the present invention may install the sensor 420 at a central portion of the turntable 300, It is possible to detect the fixing pieces 410 provided on the second sprocket 320 so that the rollers supporting the turntable 300 after a long period of use are worn out, It is possible to stably work without causing a malfunction or a detection error of the motor.

In addition, the lapping machine equipped with the sensor according to the technical idea of the present invention adopts the flat-type sensor 420 as the sensor 420, so that the turntable 300 of the lapping machine can be structurally It can be easily installed in the center portion of the turntable 300 without significantly changing it.

The supporter 430 is spaced apart from the outer circumferential surface of the second sprocket 320 by a predetermined distance and the sensor 420 is fastened and fixed so that the sensor 420 can be prevented from being broken or detached have.

Hereinafter, a method of operating a lapping machine equipped with a sensor according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 6. FIG.

First, the product 500 is placed on the turntable 300 to wrap the product 500 loaded on the pallet (not shown), and the stretch film 600a And is fixed so as to be attached to the outer circumferential surface of the product 500 with passing between the roller 230 and the roller 230.

Next, the rotation speed of the turntable 300 or the height of the lift 200 is set in consideration of the size of various products 500 at the input unit 111 of the controller 110, and the height is set. The operator may display the number of revolutions of the turntable 300 or the height of the lift 200 on the screen of the display unit 113 so that the operator can visually confirm the number of revolutions.

When the lapping machine 10 is operated by pressing the start button 115 while information is input for packing the product 500, the winch 240 and the turntable 300 An electric signal is applied to the driving motor M of the turntable 300 and the winch 240 and the driving motor M of the turntable 300 are driven by the electric signal. That is, the control unit 110 starts driving while supplying an electric signal to the driving motor M, and the first sprocket 310 is rotated by driving the driving motor M, So that the second sprocket 320 connected to the chain 330 is interlocked and rotated at the same time.

The product 500 mounted on the turntable 300 is rotated and the wrapping film 600 provided on the lift 200 is automatically drawn out to wrap the outer circumferential surface of the product 500. When the lapping film 600 rotates once, the rotation number is transmitted to the control unit 110 by the sensing unit 400. The winch 240 is operated according to the number of rotations transmitted to the controller 110 so that the lift 200 fixed to the wire rope W is moved upward.

Next, the lift 200, which has been lifted up to the upper end, is further lowered to pack the product 500. This operation is repeated so that the stretch film 600a is spirally wound on the outer circumferential surface of the product 500. [ After wrapping the wrapping film 600 on the outer circumferential surface of the product 500, the wrapping film 600 is cut using a separate cutting device (not shown).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be practiced. It is therefore to be understood that one embodiment described above is illustrative in all aspects and not restrictive.

10; Lapping machine 100; Holding tower
110; A control unit 111; Input
113; Display unit 115; Start button
117; An emergency stop button 200; lift
210; Mobile 220; Support bar
230; Roller 240; winch
300; Turntable 310; The first sprocket
320; A second sprocket 330; chain
340; Rotating body 350; Auxiliary sprocket
400; Sensing means 410; Fixing piece
420; Sensor 430; support fixture
500; Product 600; Wrapping film
600a; Stretch film M; Drive motor
W; Wire rope

Claims (8)

A strut having a control unit for applying an electrical signal;
A supporting bar which is located at one side of the strut and which is reciprocatable upward and downward and which allows the lapping film wound with the stretch film to be inserted and fixed so as to rotate the shaft; A lift having rollers for holding the film fixedly;
A first sprocket fixed to one side of the driving motor and axially rotated; and a second sprocket connected to the first sprocket and connected to the first sprocket, A second sprocket for receiving the power of the sprocket and rotating axially; a turntable having a disk-like rotating body fixedly coupled to the second sprocket and rotating in conjunction with the second sprocket; And
And sensing means mounted on the inside of the turntable for sensing the number of revolutions,
Wherein the sensing means comprises:
A fixed piece fastened and fixed on the second sprocket and rotated in association with the second sprocket;
A sensor for sensing the number of revolutions of the fixing member; And
And a support for fixing the sensor,
Wherein the sensor comprises a proximity sensor for sensing a rotational position of the fixing member,
The proximity sensor is formed in a flat-type,
Wherein the proximity sensor is spaced apart from the outer circumferential surface of the second sprocket by a predetermined distance,
And an auxiliary sprocket for pressing the chain, which is fastened between the first sprocket and the second sprocket, from the outside to the inside,
Wherein the auxiliary sprocket is symmetrically formed on both sides of the chain so that the chain fastened to the first sprocket and the second sprocket can be tightly coupled.
delete delete The method according to claim 1,
Wherein the proximity sensor is selected from one of a magnetic type, a magnetic saturation type, a high frequency oscillation type, a differential coil type, and a capacitance type.
delete delete delete The method according to claim 1,
Wherein the proximity sensor is located at a central portion of the turntable.

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