Packing device
Technical field
The utility model relates to packing device, twines thermoplastic synthetic resin strapping on packed article, in its two ends thermal welding to tie up.
Background technology
In the prior art, this packing device supply with or retract by the CD-ROM drive motor individual drive above-mentioned strapping driven roller input shaft and make the device of thermal welding strapping carry out the input shaft of the camshaft of exercises, adopt driving band 33 to drive respectively, or the turning cylinder of the side in above-mentioned 2 input shafts adopts driving band successively, motor etc. is installed on each in addition, so the components number of drive part increases in vain, the volume of She Zhiing also becomes greatly in addition, thereby can not make equipment miniaturization.
In addition, above-mentioned strapping tendency adopts light, thin and soft material, especially in this packing device, owing to all will retract strapping at every turn, so these strappings are easy to folding in the way of supplying with the road and cause stopping up, therefore must frequently remove the strapping of this obstruction, but existing device almost can not find the structure that is easy to solve this fault.
The device of in the open communique of existing patent documentation Japanese Patent, putting down in writing, has the driving band 33 more than 2, the one-sided pressure roller mutual electromagnetic separation of donor rollers etc., complex structure, can not send into band fully not only that passage is bigger to be separated, and near the pressure roller carrying out the removing in the operation of stop band, being positioned at etc. causes interference easily.
The utility model makes these adjust processing ease, improves yield rate thereby improve operating efficiency.
(patent documentation 1) spy opens the open communique of 2000-296809 Japanese Patent
Summary of the invention
The utility model provides a kind of packing device to market, simplifying the structure and miniaturization of implement device not only, also for ease of maintenaince.
In order to realize above-mentioned problem, the packing device of this utility model comprises: the device of following structure, on main stand 10, the middle place that sends into passage 11 at the band of sending into the plastic strapping T of themoplasticity has a pair of clamp-type donor rollers 12 that usefulness was sent into and retracted to band, and the leading section T1 of the strapping T that is sent into by this donor rollers 12 and a part of T2 of the above-mentioned strapping T that links to each other with supply side are overlapped across distance piece 13; Front end holder 14 is near the front end of the above-mentioned strapping T of the clamping position of above-mentioned distance piece 13 near; Supply side holder 17, the above-mentioned strapping T that links to each other with supply side of clamping; Have the fusion splicing devices 20 that strapping T is carried out thermal welding in the position of above-mentioned distance piece 13,
The axle 61 of the donor rollers 12a of a side in the above-mentioned donor rollers 12 is sent into input shaft 25 and is supported on aforementioned body frame 10 as band,
And camshaft 40 is supported on the part of aforementioned body frame 10, camshaft input shaft 41 is connected in this camshaft 40 via speed reduction gearing 42 and the 1st magnetic clutch 43, make above-mentioned front end holder 14 respectively, the 1st lobe plate 44 of fusion splicing devices 20 and 17 actions of supply side holder, the 2nd lobe plate 45 and the 3rd lobe plate 46 are fixedly mounted on respectively on the above-mentioned camshaft 40, aforementioned body frame 10 or with the pallet of its one on have the electronic rotation motor 30 of mono-, this electronic rotation motor 30 drives above-mentioned band and sends into input shaft 25 and camshaft input shaft 41, it is characterized in that
The output shaft 31 of above-mentioned electronic rotation motor 30 is provided with the belt wheel 32 that has a plurality of V-slots, send on input shaft 25 and the camshaft input shaft 41 at band, have the belt wheel 32a that has a plurality of V-slots respectively in the mode of rotating freely, 32b, how prominent bar driving band 33 extensions are combined in these 3 belt wheels 32 that have a plurality of V-slots to mono-, on 32a and the 32b, the 2nd magnetic clutch 27 that has slided when having acted on the torque more than the given torque is clipped on above-mentioned band and sends into input shaft 25 and be equipped in this band and send between the belt wheel 32a on the input shaft 25
The electronic rotation motor 30 of above-mentioned mono-is reversible type rotation motors.
In this utility model, above-mentioned fusion splicing devices 20 is by top bearing plate 19, distance piece 13, heating plate 22 and the actuating mechanism of their actions is constituted.
In addition, the packing device of realizing this utility model is characterised in that, with the driven roller 12a of a side in the above-mentioned donor rollers 12 mutually the opposing party's of crimping donor rollers be made as pressure roller 12b, the axle 61 of this pressure roller 12b is supported on movable frame 60, this movable frame 60 has channel mask 11a, this channel mask 11a forms band and sends into passage 11 or form the single face that band is sent into passage 11 at least, this movable frame 60 is passed through the pivotal joint away from the 1st pivot 34 of the position of above-mentioned pressure roller 12b, it is parallel that the 1st pivot 34 and band are sent into input shaft 25, this movable frame 60 flexibly the application of force so that pressure roller 12b is crimped on driven roller 12a side.
In order to realize this problem, the packing device of this utility model is characterised in that, above-mentioned the 1st pivot 34 is with respect to aforementioned body frame 10 and movable frame 60, can insert or extract along direction of principal axis, movable frame 60 be can be equipped on main stand 10 with respect to the mode that main stand 10 assembles, decomposes.
Effect and even using method as the device of above-mentioned utility model, according to above-mentioned formation as can be known, make the table top 36 of the upper space of above-mentioned fusion splicing devices 20 of this device and operation post unanimous on the whole and fixed, when sending into strapping T, pull down the 1st magnetic clutch 43 that is equipped on the camshaft input shaft 41 in advance, combine and make the 2nd magnetic clutch 27 and band send into input shaft 25, pressure roller 12b is crimped on the driven roller 12a, strapping T is inserted band to be sent in the passage 11, during the electronic rotation motor 30 of forward rotation, strapping T is under the effect of the donor rollers 12 that it is clamped, be fed in this device, by the downside of front end holder 14 and distance piece 13, by the upside of supply side holder 17, thus can be outstanding outside this device.
During this period, because the 1st magnetic clutch 43 does not also have combination, thus can the belt wheel 32b of camshaft input shaft 41 be rotated by driving band 33, but camshaft input shaft 41 and camshaft 40 do not rotate, and donor rollers 12 is rotated.
Above-mentioned electronic rotation motor 30 is stopped, and open the 2nd magnetic clutch 27 stops to send into of strapping T.At this moment, the 1st magnetic clutch 43 is in unconjugated state always.
Next, on above-mentioned table top 36, place and be tied thing (for example commodity), above-mentioned strapping T is wrapped on the commodity, when the leading section T1 that makes it is inserted into strapping in the set band leading section guiding road 37 along above-mentioned table top 36, this leading section is by the upside of above-mentioned front end holder 14 and distance piece 13, and retainer 38 is run on the top.
This retainer 38 has been met in sensation or sensor affirmations such as (not shown) by worker, and the 2nd magnetic clutch 27 that band is sent into input shaft 25 keeps open state always.The 1st magnetic clutch 43 in conjunction with camshaft input shaft 41, belt wheel 32b and camshaft input shaft 41 are combined, make electronic rotation motor 30 backward rotation simultaneously, at this moment, camshaft 40 begins to rotate, at first front end holder 14 is risen,, above-mentioned band leading section T1 is carried out clamping at it and between the lower surface of the top of upper space bearing plate 19 by the 1st lobe plate 44 that is equipped on the camshaft 40.
Then, combined belt is sent into the 2nd magnetic clutch 27 of input shaft 25, makes electronic rotation motor 30 backward rotation, and also backward rotation driven roller 12a retracts above-mentioned strapping T, thereby strains, twines bundle to being tied thing.
When the tying up resistance and become big of this moment, the effect of a kind of torque converter of the 2nd magnetic clutch 27 performances is not tied thing and excessively do not tie up.
Then, camshaft 40 further rotates, rise by being equipped in the 3rd lobe plate 46 on the camshaft 40, making the supply side holder that is connected with supply side 17, with above-mentioned strapping T press against top bearing plate 19 below, and grip.The 2nd magnetic clutch 27 is by open then, and donor rollers 12 stops.
Camshaft 40 further rotates according to original state, by being arranged on the 4th cam 51 and the 5th lobe plate 52 on the above-mentioned camshaft 40, makes as actions such as the above-mentioned distance piece 13 of the part of above-mentioned fusion splicing devices 20 and heating plates described later 22.
In this specific utility model, electronic rotation motor 30 of mono-and mono-driving band 33 Direct/Reverses are rotated, thereby the fusion splicing devices of sending into retracting device and strapping T 20 of strapping T is moved, simplify transmission device, components number is also less, and driving band 33 is many V-type bands, in addition, because each belt wheel is corresponding with it belt wheel 32,32a, the 32b that has a plurality of V-slots, so thereby friction force obtains sufficient carry-over moment greatly.
In this manual, it is relative that the Direct/Reverse of electronic drive motor 30 is rotated, even they all are forward rotation, as the utility model too.
In the utility model described in the technical scheme 2, according to said structure as can be known, even if band is sent into to block up in the passage 11 belt is arranged, if pull down to the spring of movable frame 60 towards the main stand 10 1 side application of forces, movable frame 60 is rotated around the 1st pivot 34, then band is sent into passage 11 and pressure roller 12b partly leaves main stand 10, so can remove the strapping T that gets lodged in this part place simply.
In technical scheme 3 described utility models, because above-mentioned the 1st pivot 34 self also can freely insert dial-out along direction of principal axis, so movable frame 60 and pressure roller 12b, be channel mask 11a at least, can separate fully with main stand 10, make the above-mentioned strapping T that blocks to remove operation more simple.
Description of drawings
Fig. 1 is the local vertical profile front view of indication device main portion.
Fig. 2 opens the vertical profile front view that band is sent into the state of the channel mask of channel part and pressure roller from main stand.
Fig. 3 is that the upward view with the relation of the drive pulley of driven roller, camshaft and their input shaft and driven in rotation motor and driving band is tied up in explanation.
Fig. 4 is the cutaway view of an example of expression driving band.
Fig. 5 is the partial side view of principle of the driver train of expression fusion splicing devices.
Description of reference numerals:
The T strapping
T1 is with front end
The part of T2 band
10 main stands
11 bands are sent into passage
12 donor rollers
The 12a driven roller
The 12b pressure roller
The 12c elastic rubber layer
13 distance pieces
14 front end holders
14a strapping through hole
17 supply side holders
18 cutters
19 top bearing plates
20 fusion splicing devices
Push piece on 21
22 heating plates
25 bands are sent into input shaft
27 the 2nd magnetic clutchs
30 electronic rotation motors
31 output shafts
32,32a, 32b have the belt wheel of a plurality of V-slots
33 driving bands
34 the 1st pivots
36 table tops
37 band leading section guiding roads
38 retainers
40 camshafts
41 camshaft input shafts
42 speed reduction gearings
The 42a worm screw
The 42b worm gear
43 the 1st magnetic clutchs
44 the 1st lobe plates
45 the 2nd lobe plates
46 the 3rd lobe plates
47 bearings
48 the 1st slide bars
49 the 2nd slide bars
50 the 3rd slide bars
51 the 4th lobe plates
52 the 5th lobe plates
53 distance piece throw rods
54 heating plate throw rods
55 the 2nd pivots
60 movable frames
61 pressure roller shaft
62,63 sensors
The C control setup
The specific embodiment
Device shown in the figure is the embodiment that comprises whole described utility models of technical scheme, in diagram, comprise: the device of following structure, on main stand 10, the middle place that sends into passage 11 at the band of sending into the plastic strapping T of themoplasticity has a pair of clamp-type donor rollers 12, be used for sending into and retract above-mentioned strapping T, across distance piece 13, the leading section T1 of the strapping T that is sent into by this donor rollers 12 and a part of T2 that is connected in the above-mentioned strapping T of supply side are coincided; Front end holder 14 is near the leading section T1 of the above-mentioned strapping T of the clamping position of above-mentioned distance piece 13 near; Supply side holder 17, a part of T2 of the strapping of the above-mentioned supply side of clamping; Have the fusion splicing devices 20 that strapping T is carried out thermal welding in the position of above-mentioned distance piece 13, the axle of the side in the above-mentioned donor rollers 12 is sent into input shaft 25 and is supported on aforementioned body frame 10 as band.
On the other hand, make the camshaft 40 of above-mentioned front end holder 14, fusion splicing devices 20 and 17 actions of above-mentioned supply side holder, be supported on bearing 47 (among Fig. 1 with * symbolic representation) in the part of aforementioned body frame 10, speed reduction gearing 42 that camshaft input shaft 41 is formed via worm screw (worm) 42a and worm gear (worm wheel) 42b and the 1st magnetic clutch 43 and be connected in this camshaft 40, this camshaft input shaft 41, outstanding from the back of main stand 10 towards the outside of main stand 10.
On this camshaft 40, be installed with the 1st lobe plate the 44, the 2nd lobe plate 45 and the 3rd lobe plate 46 respectively as lobe plate, they make above-mentioned front end holder 14, fusion splicing devices 20 and 17 actions of supply side holder respectively, rotation by these lobe plates, via with the outer peripheral face of these lobe plates crimping and the 1st slide bar the 48, the 2nd slide bar 49 and the 3rd slide bar 50 that move up and down mutually, make corresponding above-mentioned front end holder 14, as the last push piece 21 and supply side holder 17 up-and-down movements of the part of fusion splicing devices 20.Above-mentioned each slide bar 48,49 and 50, be equipped in sliding freely with main stand 10 all-in-one-piece guide 10a on, all the time independently of one another by elastic force-applying to be crimped on the cooresponding lobe plate.
And, on above-mentioned camshaft 40, have the 4th lobe plate 51 and the 5th lobe plate 52, make the above-mentioned distance piece 13 of a part that forms fusion splicing devices 20 and heating plate 22 to moving with respect to the paper of Fig. 1 and the vertical direction of length direction of strapping T, a part is crimped on distance piece throw rod 53 and the heating plate throw rod 54 on this lobe plate 51 and 52, by the 2nd pivot 55 that parallels with camshaft 40 and pivot prop up on the part of main stand 10 of the below that is installed on camshaft 40, all the time by elastic force-applying to be crimped on the above-mentioned the 4th and the 5th lobe plate 51, on 52 (with reference to the arrow of figure 5).
Heating plate 22 was inserted between the strapping T along with keeping out of the way of distance piece 13.
The surface of one side's of above-mentioned donor rollers 12 driven roller 12a forms by elastic rubber layer 26 usually.
Send on the input shaft 25 at band as the turning cylinder of driven roller 12a, via the 2nd magnetic clutch (for example with torque converter (torque converter) function, use the powder type magnetic clutch 27 of electromagnetism powder), make band send into input shaft 25 give prominence to above-mentioned camshaft input shaft 41 with paralleling from the back side of main stand 10.As above-mentioned the 2nd magnetic clutch 27, even use the power-transfer clutch of sliding disk (slip disk), the utility model also is same.
In aforementioned body frame 10 or fix on its pallet, be provided with reversible electronic rotation motor 30, this output shaft 31 is sent into input shaft 25 with above-mentioned camshaft input shaft 41 and band and is paralleled, on these 3 axles, the belt wheel 32,32b, the 32a that have a plurality of V-slots are configured in the same facade, and the engaging mono-have the driving band 33 of a plurality of prominent bars.The prominent bar number that has the driving band 33 of a plurality of prominent bars is preferably 4 to 6.
The axle 61 of the opposing party's of above-mentioned a pair of donor rollers 12 pressure roller 12b is supported on the movable frame 60.Driven roller 12a and above-mentioned pressure roller 12b, by spur gear mechanism (not shown) transmission, or pressure roller 12b by and driven roller 12a between friction rotate together, be identical as the utility model.
Above-mentioned movable frame 60, by sending into the 1st parallel pivot 34 of input shaft 25 and pivot suspension is installed on main stand 10 with above-mentioned band, on movable frame 60, have and form the channel mask 11a (with reference to figure 1) that band is sent into the part of passage 11, all the time by extension spring (not shown) above-mentioned a pair of gear mechanism is meshing with each other, above-mentioned channel mask 11a cover tape is sent into the single face of passage 11.
In the embodiment shown in Figure 2, on movable frame 60, entire belt is installed and sends into passage 11, when strapping T is blocked in donor rollers 12 parts, when moving the position of representing with solid line on the movable frame 60, above-mentioned band send into passage 11 whole can by on move the level attitude of solid line to, thereby take out the strapping T that stops up.
By extract above-mentioned the 1st pivot 34 along direction of principal axis, can make above-mentioned movable frame 60, pressure roller 12b and band send into passage 11 and separate fully with main stand 10.
At this moment, planning to make channel mask 11a and band to send under the situation that passage 11 is separated, screw element under dismounting under this state makes it to separate to carry out maintenance activity.
In the embodiment shown in Figure 2, parts and channel mask 11a loading and unloading that above-mentioned band is sent into passage 11 are free, and these position component relations are comparatively speaking, even main stand 10 1 sides are channel mask 11a, also are same as the utility model.
Be horizontally disposed with band leading section guiding road 37 in the upper space of main stand 10, its open upper surface is to be directed to above-mentioned strapping T leading section T1 the upper surface of above-mentioned distance piece 13.
In addition, above-mentioned band front end holder 14 has strapping through hole 14a in the stage casing, and sliding mutually with the above-mentioned push piece 21 of going up in its side, forms a kind of cutter 18 that cuts off above-mentioned strapping T.
In addition, from band front end holder 14, arrive the upper surface of the top bearing plate 19 on the supply side holder 17 by the upper surface of distance piece 13, form substantially with one side with the upper surface of main stand 10, table top 36 also is formed on substantially with on the one side.
In fact; the upper surface of top bearing plate 19 is compared with table top 36; reduce the dressing of a surface plate be equivalent to it until the amount of the thickness of fender for example from 0.4mm to 1mm; so can not hinder the action of this top bearing plate 19, and make be placed on the table top 36 being tied thing or twine the bundle thing can not run into top bearing plate 19.
Top bearing plate 19, can not make above-mentioned fusion splicing devices 20 in action, be positioned at or move to the top of push piece 21, after welding finishes, with above-mentioned distance piece 13 interlock mutually, the rear of keeping out of the way the paper of Fig. 1 and Fig. 2, thus can remove the thing that is tied after tying up from the top.
In addition, C is this device single-piece control setup among the figure, has following function, that is: judge the strapping T that causes by retainer 38 leading section T1 incoming signal and to the rotation starting position of camshaft 40, stop to detect and the signal of the sensor 62,63 that instructs the command signal of sending to the command signal sent towards above-mentioned reversible electronic rotation motor 30, towards the 1st magnetic clutch the 43, the 2nd magnetic clutch 27 and receive from their signal.