CN208344584U - Wrapping machine - Google Patents

Abstract

The utility model provides a kind of wrapping machine, and whether the film for being able to detect film roll cylinder is used up.Height is configured differently the film roll cylinder (7) that width is 50cm, film (71) are extracted out in a manner of mutually overlapping, detection sensor (72) are set between the first draw roll (61) and the second draw roll (62), when making to be stretched and be wound on packet (9) between the first draw roll (61) and the second draw roll (62) of the film (71) by constituting extension section (6), detection sensor (72) is contacted with film (71).The detection sensor (72) be respectively arranged on the non-overlapping part of extracted out film, the film extracted out up and down, thereby, it is possible to detect whether the film (71) of the film roll cylinder (7) of folk prescription is used up.

Description

Wrapping machine

Technical field

The utility model relates to a kind of wrapping machines that film roll is around in volume packet periphery, and in more detail, being related to one kind can The wrapping machine whether detection film roll cylinder is used up.

Background technique

In general, will use wrapping machine film roll to be around in when volume is wrapped.

The wrapping machine includes: the turntable for rotating volume packet along y direction and X direction And the film maintaining part to the volume packet extraction film rotated on the turntable, by changing the revolving speed for a pair of of draw roll that film is passed through, Film roll volume is wound on while stretching film to extraction direction to wrap (referring to patent document 1).

But film can be used up sometimes such film roll to be wound on during volume is wrapped.Therefore, it is used up in the past equipped with film Testing agency.

As shown in figure 11, which uses up testing agency and installs in the rotary shaft of draw roll 101,102 for constituting extension section Sheet metal 103, and with sheet metal 103 be adjacent to installation detection sheet metal 103 detection sensor 104, by detect due to The film 71 of film roll cylinder 7 is used up and the non-rotating state of draw roll 101,102 that generates, is able to detect that film 71 has been used up.

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2015-226515 bulletin

But it in the case where whether detection film is used up by this method, can lead to the problem of following.

That is, for example, being highly configured differently film roll cylinder that width is 50cm and being extracted out each film with overlapping state In the case where, no matter in the case where which side film is used up, all film can be extracted out from the film roll cylinder of a remaining side.Therefore, it stretches Roller will continue to rotate, and whether the film that can not detect folk prescription is used up.

In addition, if film is locally damaged, being stretched in the case where carrying out wound film using the biggish film roll cylinder of width Roller also will continue to rotate, and therefore, can not also detect the exception of film.

Utility model content

Then, the utility model is conceived to the above subject and completes, and uses up its purpose is to provide a kind of either film The wrapping machine that the case where situation or local damage can detect.

That is, the utility model in order to solve the above problems, provides a kind of wrapping machine, have: turntable, mounting volume packet；Film is protected Portion is held, the film roll cylinder for being wound with film is kept, the film is wound to the volume packet being placed on the turntable；And extension section, it is right The film extracted out from the film maintaining part is stretched to extraction direction, and the turntable or film maintaining part is made to rotate and film roll is wound on volume It wraps, wrapping machine is equipped with detection sensor, and the detection sensor detects whether there is the film extracted out from the film maintaining part.

If constituting in this way, the presence or absence of the film after extracting out will detect that, thus, for example, extracting films out from two film roll cylinders In the case where, whether the film for being able to detect the film roll cylinder of folk prescription is used up.In addition, the case where using a film roll cylinder wound film Under, be also able to detect detection sensor locating part whether breakage etc..

In addition, in such utility model, the detection sensor is set to constitute extension section a pair of of draw roll it Between.

If being set to this position, film will not swing between a pair of of draw roll, can reliably detect with the presence or absence of film.

In turn, the film maintaining part is configured to keep multiple film roll cylinders in a manner of mutually overlapping, in addition, by institute State the non-overlapping position that detection sensor is respectively arranged on the film extracted out from film maintaining part.

If being set to this position, in the case where extracting film out from a pair of of deflector roll, whether the film for being able to detect folk prescription is used up Deng.

Utility model effect

According to the utility model, wrapping machine has: turntable, mounting volume packet；Film maintaining part keeps the film roll for being wound with film Cylinder, the film are wound to the volume packet being placed on the turntable；And extension section, to from the film that the film maintaining part is extracted out to pumping Direction is stretched out, so that the turntable or film maintaining part is rotated and film roll is wound on volume and is wrapped, wrapping machine is equipped with and detects whether It, therefore, can in the case where extracting film out from two film roll cylinders in the presence of the detection sensor for the film extracted out from the film maintaining part Whether the film for detecting the film roll cylinder of folk prescription is used up.In addition, being also able to detect inspection using a film roll cylinder wound film Survey sensor locating part whether breakage etc..

Detailed description of the invention

Fig. 1 is the schematic diagram for indicating the wrapping machine of an embodiment of the utility model.

Fig. 2 is to indicate that film unit in this embodiment maintains width as the figure of the state of the film roll cylinder of 75cm.

Fig. 3 is to indicate that film unit height in this embodiment maintains width differently as the shape of the film roll cylinder of 50cm The figure of state.

Fig. 4 is the figure for indicating the upper frame of the film maintaining part in the embodiment.

Fig. 5 is the rotating holding portion for indicating the film maintaining part in the embodiment, the schematic diagram of lower frame.

Fig. 6 is the figure for observing from below the film maintaining part in the embodiment.

Fig. 7 is the figure for indicating the principle of the extension section in the embodiment.

Fig. 8 is the figure for indicating the installation site of the detection sensor in the embodiment.

Fig. 9 is the figure for indicating the contact condition of detection sensor and film in the embodiment.

Figure 10 is to make the volume packet supporting table inclination in the embodiment and release state diagram when volume wraps.

Figure 11 is the figure for indicating the detection sensor in conventional example.

Description of symbols

1 wrapping machine

2 turntables

21 rollers

22 bands

The packet supporting tables of volume 23

24 hydraulic cylinders

3 film units

31 pillars

4 film maintaining parts

40 rotating holding portion

41 groove portions

The articulated section 41a

42 lower frames

43 pins

44 recess portions

45 upper frames

46 slots

47 backoff portion

48 hooks

48a pawl

48b spring

49 locking plates

5 insertion rods

51 hole portions

52 pins

53 central spindle maintaining parts

54 press sections

6 extension sections

61 first draw rolls

62 second draw rolls

63 springs

7 film roll cylinders

71 films

72 detection sensors

73 contact rollers

74 sensors

8 cutting maintaining parts

The packets of volume 9

Specific embodiment

Hereinafter, being illustrated referring to an embodiment of the attached drawing to the utility model.

As shown in Figure 1, the wrapping machine 1 in the embodiment is configured to have: the turntable 2 of mounting volume packet 9；It keeps to mounting In the film maintaining part 4 for the film 71 that the volume packet 9 on the turntable 2 is wound；And the drawing of film 71 is stretched and extracted out from the film maintaining part 4 Extending portion 6 etc., which is characterized in that be equipped between a pair the first draw roll 61 of the extension section 6, the second draw roll 62 and film constituting 71 contact and directly detect whether the detection sensor 72 there are film 71.Hereinafter, to the knot of the wrapping machine 1 in present embodiment Structure is described in detail.

Firstly, being supported on the turntable 2 of 9 rotation of volume packet in volume packet supporting table 23 in the state of mounting volume packet 9, such as Fig. 1 Shown, turntable 2 is configured to have: a pair of rolls 21 that front and back separates certain intervals and is set in parallel；And it is erected at this pair of rolls Band 22 between 21.Moreover, rotating volume packet 9 centered on trunnion axis, and make by rotating roller 21 along its horizontal central spindle Turntable 2 is rotated centered on vertical axis with the motor (not shown) for the lower section for being set to turntable 2.

Film unit 3 is equipped in the side of the turntable 2.3 one side of film unit carries out stretching one to film 71 to extraction direction While film 71 to be retracted to the volume packet 9 for being placed in the turntable 2, which is set to from the pillar 31 that the frame of main body erects.

The film unit 3 is configured to include the film maintaining part 4 that multiple film roll cylinders 7 are kept in a manner of position-variable；And to by The extension section 6 that the film 71 for the film roll cylinder 7 that the film maintaining part 4 is kept is extracted out while being stretched.

Wherein, as shown in Fig. 2 etc., film maintaining part 4 is configured to have: being pacified in a manner of it can rotate in the lower section of pillar 31 The rotating holding portion 40 of the plate of dress；And multiple parallel insertion rods 5 etc. on the circumference of the rotating holding portion 40, by film Reel 7 is inserted into and is held in these insertion rods 5.As shown in Figure 5, Figure 6, which passes through to be set to from the rotation of plate and protect It holds the articulated section 41a of the inside for the groove portion 41 that the outer rim in portion 40 is cut inwardly and is installed, centered on the 41a of the articulated section And carry out inclination movement.Then, make 5 inclination movement of insertion rod in this way, being inserted into film roll cylinder 7 on the other hand from upper end makes In the case where the return of insertion rod 5 for inserting the film roll cylinder 7, as shown in figure 4, the upper end side of insertion rod 5 to be inserted into and rotate The groove portion 46 of the upper frame 45 for the plate that maintaining part 40 is set in parallel, and it is locking by hook 48 in this case.The hook 48 are commonly applied the power for keeping insertion rod 5 locking by spring 48b, in the case where releasing the locking state, by reversely exerting a force, Locking state can be released.

But in the case where toppling over the insertion rod 5, if insertion rod 5 is toppled in unexpected position, it is likely that make film Reel 7 contacts and damaged with the body contact of wrapping machine 1 or with tractor.Therefore, which is set as only at film roll cylinder 7 The hook 48 etc. as fixed part can be released in the case where the outermost position (paper nearby side) in Fig. 1 of wrapping machine 1. As shown in figure 4, being equipped with the pawl for making hook 48 in the plectane 47a for being installed on the central side of pillar 31 in the case where releasing hook 48 The backoff portion 47 that 48a keeps out of the way turns hook 48 around fulcrum only in the outermost situation that film roll cylinder 7 is located at wrapping machine 1 It is dynamic.As a result, due to when hook 48 rotates pawl 48a enter the inside of backoff portion 47, allow the rotation of hook 48.Another party Face, since on position in addition to this, 48, hook pawl 48a are abutted with the periphery of plectane, therefore are not able to rotate.As a result, only Hook 48 can be released in the case where film roll cylinder 7 is located at outside.

In addition, releasing hook in the case where toppling over insertion rod 5 under the state on the outermost side of film roll cylinder 7 in this way While 48, as shown in Figure 5 and Figure 6, also releases and be set to the locking plate 49 of the downside of insertion rod 5 and topple over insertion rod 5.It should be only Movable plate 49 is arranged by such a way that the lower section of rotating holding portion 40 is by spring downwards inclination movement, makes its front end portion and inserts Enter the abutting of bar 5.The front end of locking plate 49 is abutted with the section below of insertion rod 5 as a result, prevents toppling over for insertion rod 5.Another party Face by toppling over the locking plate 49 downwards, and topples over insertion rod 5 in the case where toppling over the insertion rod 5.

The rotating holding portion 40 of the insertion rod 5 is supported to keep film roll cylinder 7 on the concentric circles centered on pillar 31, in spy The fixed rotation status centered on the pillar is set in positioning.In the case where keeping the rotating holding portion 40 fixed, such as Fig. 5, Fig. 6 institute Show, pin 43 is inserted into upwards from the lower frame 42 for the lower section for being set to rotating holding portion 40, and make the front end portion of pin 43 It is chimeric with the recess portion 44 of lower section of rotating holding portion 40 is set to, as a result, fix the rotation status of rotating holding portion 40.As a result, The position of fixed film roll cylinder 7, steadily can be supplied to extension section 6 for film 71.

On the other hand, it is equipped in these insertion rods 5 for keeping the film width such as width is 75cm, width is 50cm not Multiple hole portions 51 of same film roll cylinder 7 can change the height of central spindle maintaining part 53 and keep by inserting pins into hole portion 51 Film roll cylinder 7.At this point, as shown in Fig. 2, making pin 52 be inserted into lowest part in the case where installing film roll cylinder 7 that width is 75cm Hole portion 51 and keep film roll cylinder 7, using press section 54 press the film roll cylinder 7 upper end, prevent its floating.On the other hand, exist In the case where installing the film roll cylinder 7 that width is 50cm, as shown in figure 3, pin 52 is inserted into second hole portion 51 of lower number and is installed Film roll cylinder 7, alternatively, the hole portion 51 that pin 52 is inserted into lowest part is installed phase with second hole portion 51 in the different mode of height Adjacent film roll cylinder 7.It, can be in the state of mutual overlapping from two film roll cylinders 7 when such height differently installs film roll cylinder 7 It extracts film 71 out, film 71 can be wound in volume packet 9 in a manner of expanding width.In addition, the feelings used up in either one film roll cylinder 7 Under condition, by rotating rotating holding portion 40, also it is able to use adjacent height different film roll cylinder 7 and film 71 is extracted out and made With.

The film 71 extracted out from film roll cylinder 7 is stretched 150%~180% to extraction direction and extracted out by extension section 6, such as Fig. 7 Shown in schematic diagram, is engaged by the gear for keeping gear ratio different, the revolving speed of each draw roll 61,62 can be changed.It is being somebody's turn to do In the case where stretching, the first draw roll 61 set on 7 side of film roll cylinder is made to compare the second draw roll for being set to outlet side (9 sides of volume packet) 62 rotation will be relatively slowly rotates.Thereby, it is possible to extract and be wound in packet 9 out while stretching to film 71.The drawing First draw roll 61 of extending portion 6 presses the periphery of film roll cylinder 7 by spring 63, and thereby, it is possible to inhibit the inertia because of film roll cylinder 7 to draw That rises rotates freely, and prevents film 71 from extracting out in vain.

The film 71 extracted out in this way is wound in the volume packet 9 rotated on turntable 2, later, as shown in Figure 10, passes through hydraulic cylinder 24 Topple over volume packet supporting table 23 rearward, and cuts off film using cutting maintaining part 8.The cutting maintaining part 8 setting is in volume packet support The end of platform 23 can carry out keeping and utilize to cut by toppling over volume packet supporting table 23 to bundle the state of film 71 from below Knife cuts off film 71.Then, in the state of having cut off film 71 in this way, volume packet 9 is rearward released.At this point, in cutting maintaining part 8 In, in order to which a roll of packet 9 is wound downwards by film 71, become the state for maintaining the end of film 71.

According to this structure, in the present embodiment, it passes equipped with can directly detect the detection whether membrane 71 use up Sensor 72.

As shown in figure 8, the detection sensor 72 can directly detect 7 institute of film roll cylinder being arranged differently than from upper-lower height In each film 71 of extraction, the presence or absence of film 71 of non-overlapping part, here, being configured to have connecing of contacting and rotate with film 71 The sensor 74 of the rotation for the metal that touching roller 73 and detection are embedded in the contact roller 73.This detection sensor 72 is being set In the case of, can be set between 7 to the first draw roll 61 of film roll cylinder, between the first draw roll 61 and the second draw roll 62, the Between two draw rolls 62 and volume packet etc., but in the case where being set between 7 to the first draw roll 61 of film roll cylinder, it is fitted without inspection The gap of sensor 72 is surveyed, and as shown in the dotted line of Fig. 9, can not may accurately be examined since the diameter of film roll cylinder 7 changes Measure the presence or absence of film 71.On the other hand, in the case where being set between the second draw roll 62 and volume packet, as shown in the dotted line of Fig. 9, Due to that film 71 can be made to swing in the lateral direction because of the rotation of volume packet, therefore, it is difficult to contact contact roller 73 with film 71 always.Then, In this embodiment, detection sensor 72 is set between the first draw roll 61 and the second draw roll 62.In such manner, it is possible to Detection sensor 72 is installed, and since film 71 is always in fixed position in the gap of one draw roll 61 and the second draw roll 62 Therefore the state being stretched can reliably contact with film 71 and detect the presence of film 71.In addition, here, being sensed as detection Device 72, the device of the rotation of contact roller 73 contacted using detection with film 71 and constitute, but optical sensor, non-also can be used Touch sensor etc..

Next, being illustrated to the application method of the wrapping machine 1 constituted in this way.

Firstly, the volume packet 9 for becoming the wrapped around objects of the film 71 is loaded in the case where film 71 is wound in packet 9 On turntable 2, and multiple film roll cylinders 7 are inserted into film maintaining part 4 and are kept.

In the case where keeping film roll cylinder 7, rotate rotating holding portion 40, so that insertion rod 5 is located at outermost, at this Under state, it is inserted into the pin 43 of fixed part and fixed rotation status.Then, in this state, set on the hook 48 of 45 side of upper frame Pawl 48a become and can keep out of the way the state of backoff portion 47, hook 48 can be released to the locking state of insertion rod 5.In addition, and this Meanwhile the locking plate 49 set on 42 side of lower frame being made to swing to lower section, topple over insertion rod 5 to the side of vehicle body.Then, Film roll cylinder 7 is set to be inserted from above into the insertion rod 5.At this point, in the case where being inserted into film roll cylinder 7 that width is 75cm, by pin 52 It is inserted into the hole portion 51 of the lowest part set on insertion rod 5 and keeps film roll cylinder 7 using central spindle maintaining part 53, on the other hand, inserting In the case where entering the film roll cylinder 7 that width is 50cm, pin 52 is inserted into second hole portion 51 of lowest part or lower number of insertion rod 5 simultaneously Film roll cylinder 7 is kept using central spindle maintaining part 53.Then, it erects insertion rod 5 in the state of maintaining film roll cylinder 7 in this way, receives It is dissolved in the groove portion 46 of upper frame 45 and utilizes hook 48 locking.

Next, extracting the pin 43 of the lower section of rotating holding portion 40 after maintaining film roll cylinder 7 in this way and keeping rotation Portion 40 rotates, the pin 43 under the state on the outermost side of insertion rod 5 that do not load again insertable into downside and fixed rotation holding Portion 40.Then, similarly, hook 48, locking plate 49 are released, and selects the hole portion 51 of insertion rod 5 and from laterally inserted pin 52, benefit Film roll cylinder 7 is kept with central spindle maintaining part 53.At this point, in the case where keeping width is film roll cylinder 7 of 75cm, as shown in Fig. 2, will Pin 52 is inserted into the hole portion 51 set on the lowest part of insertion rod 5 and keeps film roll cylinder 7 using central spindle maintaining part 53, on the other hand, In the case where keeping width is film roll cylinder 7 of 50cm, as shown in figure 3, pin 52 is inserted into the height with film roll cylinder 7 just now Different positions simultaneously keeps film roll cylinder 7 using central spindle maintaining part 53.

Hereinafter, similarly, continuing to keep film roll cylinder 7 while successively rotating rotating holding portion 40.Then, it is keeping While film roll cylinder 7, the upper end of film roll cylinder 7 is pressed using press section 54 and prevents from floating.

Then, in the state of maintaining film roll cylinder 7 in this way, first draw roll 61 of extension section 6 is pressed using spring 63 It is pressed on the film roll cylinder 7 of inside, in this case, film 71 is drawn to cutting via the first draw roll 61, the second draw roll 62 and is protected Hold portion 8.Then, the end of film 71 is kept using the cutting maintaining part 8.At this point, the film 71 extracted out from each film roll cylinder 7 becomes and sets The state that the roller 73 of contact up and down between the first draw roll 61 and the second draw roll 62 contacts, thereby, it is possible to detect from each The presence or absence of the film 71 that a film roll cylinder 7 is extracted out.

In the state of setting film 71 in this way, volume packet 9,9 rotation of volume packet is made by turntable 2.In this way, passing through the rotation of turntable 2 Turn the periphery that the film 71 for being held in the cutting maintaining part 8 of turntable 2 is constantly wound in packet 9.At this point, since volume packet 9 is around level Therefore film 71 it is whole can be wound in packet 9 by the rotation of volume packet 9 by axis and vertical axis rotation.

Then, after making film 71 wind pre-determined number and turntable 2 is made to stop at scheduled position, as shown in Figure 10, make to roll up 23 tilted rearward of packet supporting table rearward releases volume packet 9.At this point, being turned when making to roll up the inclination of packet supporting table 23 by being set to The cutting maintaining part 8 of platform 2 keeps the end of film 71, later, the film 71 of 9 sides of cutting volume packet.Thereby, it is possible to release volume packet 9.

Hereinafter, it is carried out similarly the winding of the mounting of volume packet 9, film 71, and the film 71 during being wound to film 71 In the case where using up, film 71 can not be extracted out again from film roll cylinder 7, up and down one or both detection sensor 72 contact roller 74 not It rotates again.Thereby, it is possible to detect that the film roll cylinder 7 of respective side has been used up, replacement film roll cylinder 7 can be urged by alarm song etc..

When replacing the film roll cylinder 7, the pin 43 of the lower section of rotating holding portion 40 is extracted, by rotating holding portion 40 to either one Rotation, is moved to the position closest to the first draw roll 61 for new film roll cylinder 7.Then, the pin 43 again insertable into lower section and solid Determine rotation status.Then, film 71 is extracted out from the film roll cylinder 7, make film 71 by extension section 6, keep the film using cutting maintaining part 8 71 end.At this point, in the case where highly differently using width is film roll cylinder 7 of 50cm, directly using a remaining side's Film roll cylinder 7, extract film 71 out from the film roll cylinder 7 adjacent with the remaining film roll cylinder 7 of a side and keep it overlapping pass through extension section 6.So Afterwards, equally, the end of these films 71 is held in cutting maintaining part 8.

Hereinafter, it is same, it rotates turntable 2 and film 71 is wound in packet 9, make to roll up 23 inclination movement of packet supporting table, will roll up Packet 9 is released.

In this way, wrapping machine 1 has according to above embodiment: volume packet supporting table 23, mounting volume packet 9；Film maintaining part 4 is protected The film roll cylinder 7 for being wound with film 71 is held, film 71 is wound to the volume packet 9 being placed in the volume packet supporting table 23；And extension section 6, the film 71 extracted out from the film maintaining part 4 is stretched to extraction direction, rotate above-mentioned volume packet supporting table 23 and by film 71 On volume packet 9, wrapping machine 1 is equipped with the detection sensor for detecting whether there is the film 71 extracted out from above-mentioned film maintaining part 4 72, therefore, in the case where extracting film 71 out from two film roll cylinders 7, it is capable of detecting when whether the film 71 of the film roll cylinder 7 of folk prescription is used To the greatest extent.In addition, being also capable of detecting when the locating part of detection sensor 72 using 7 wound film 71 of film roll cylinder Breakage etc..

In addition, a pair the first draw roll 61 and the second draw roll that are set to composition extension section 6 due to will test sensor 72 Between 62, therefore, film 71 will not be swung, and can be reliably detected out and be whether there is film 71.

Moreover, above-mentioned film maintaining part 4 is configured to keep multiple film roll cylinders 7 in a manner of mutually overlapping, in addition, will Above-mentioned detection sensor 72 is respectively arranged on the non-overlapping position for the film 71 extracted out from film roll cylinder 7, therefore, from a pair of of film roll cylinder In the case where 7 extraction films 71, it is capable of detecting when whether the film 71 of folk prescription is used up.

In addition, the present invention is not limited to the above embodiments, can implement in various ways.

For example, in the above-described embodiment, rotating volume packet supporting table 23 and wound film 71, but film maintaining part can also be made 4 coiling packets 9 rotate and wrap film 71 on 9 wound on volume.

In addition, in the above-described embodiment, detection sensor is arranged between the first draw roll 61 and the second draw roll 62 72, but also can detecte with the presence or absence of the film 71 in film roll cylinder 7.In this case, for example, it is also possible to be passed by optics Difference of the sensor based on film 71 and the color of core and the difference for detecting reflectivity, to be judged as " without film ".Alternatively, can also To use optical sensor etc. to detect between the second draw roll 62 and volume packet, whether there is or not films 71.

Claims (3)

1. a kind of wrapping machine, has:

Roll up packet supporting table, mounting volume packet；

Film maintaining part, keeps the film roll cylinder for being wound with film, and the film is carried out to the volume packet being placed in the volume packet supporting table Winding；And

Extension section stretches the film extracted out from the film maintaining part to extraction direction,

The volume packet supporting table or film maintaining part is set to rotate and film roll is wound on volume and is wrapped, the wrapping machine is characterized in that,

Equipped with detection sensor, the detection sensor detects whether there is the film extracted out from the film maintaining part.

2. wrapping machine according to claim 1, wherein

The detection sensor is set between a pair of of the draw roll for constituting extension section.

3. wrapping machine according to claim 1, wherein

The film maintaining part keeps multiple film roll cylinders in overlapping manner,

The detection sensor is respectively arranged on the non-overlapping position for the film extracted out from film maintaining part.