CN206306485U - The welding system of tablet - Google Patents
The welding system of tablet Download PDFInfo
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- CN206306485U CN206306485U CN201621387687.XU CN201621387687U CN206306485U CN 206306485 U CN206306485 U CN 206306485U CN 201621387687 U CN201621387687 U CN 201621387687U CN 206306485 U CN206306485 U CN 206306485U
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- dancer
- tablet
- drive mechanism
- speed change
- welding
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Abstract
The utility model discloses a kind of welding system of tablet, including ultrasonic wave welding device and speed change gear, speed change gear has the first dancer for receiving the tablet from upstream feeding, the second dancer that tablet after processing is downstream sent out, make the first dancer, the second dancer along the first drive mechanism of the mutual reciprocal transverse motion in identical direction, and the first dancer, the second dancer is made the second drive mechanism of speed change gyration.Ultrasonic wave welding device sets one or more groups of between the first dancer and the second dancer, and its welding operation generation to tablet is between two dancers in the slack-off time interval of linear velocity.The utility model has compact conformation, good, the low cost of rigidity, it is easy for installation, it is easy to accomplish the advantages of miniaturization, can fully ensure the weld interval of material, and weld interval is flexibly adjusted according to the effect of welding, while welding effect is ensured, meet the high speed Production requirement of product.
Description
Technical field
The utility model belongs to disposable sanitary articles manufacture field, more particularly to one kind transports speed by increasing and decreasing tablet
Degree realizes the device of welding.
Background technology
It is as disposable sanitary articles, such as known to have with preabdomen, back part and crotch and preabdomen and back part
The disposable diaper being ultrasonically welded by a pair of side seals (or weld portion).When the side seals are formed, use
To be used to constituting preabdomen and back part at least one pair of thermoplasticity lamellar body be continuously supplied to anvil roller and wave welding head of ultrasonic wave it
Between, and then form the weld portion that thermoplasticity lamellar body opposite mutually is fused each other.
But the ultrasonic fusing process time longer than traditional heat-sealing connection needs is utilized, to cause that weld portion is obtained
Enough to vibrational energy.Therefore, traditional practice is：First, the quantity of wave welding head of ultrasonic wave is increased, two, reduce amenities
Conveyance speed.
For the former, as described in patent document Japanese Unexamined Patent Publication 2004-330622 publications, set relative to an anvil roller
Multiple ultrasonic horns, the load brought by ultrasonic energy is larger, influences the durability of anvil roller.For the latter, in order to removing
Tablet in sending be bonded etc. the speed for processing and reducing whole production line, will necessarily reduce overall productivity ratio.
In consideration of it, in order on the one hand ensure the time required during tablet processing, while not influenceing productivity ratio again, it is necessary to
The dress that a certain section of speed in a kind of material for making and being advanced according to constant speed is adjusted according to predetermined laws about modified speed is provided
Put.
Utility model content
The purpose of this utility model is, there is provided a kind of welding system of tablet, and the welding system passes through speed change gear
In reciprocal traversing driving device and speed change rotary motion mechanism the conveyance speed for cooperating to increase and decrease tablet so that even if
Under high speed open state, weld portion can also obtain enough vibrational energies.
The utility model solves the technical scheme that its technical problem used：A kind of welding system of tablet, is used to
While conveyance tablet, each other, it includes tablet described in the welding of one side：
Ultrasonic wave welding device, for treating that posetionof weld applies vibrational energy to tablet, makes its fused with one another；And
Speed change gear, the conveyance speed for increasing and decreasing tablet so that the tablet imports the conveyance speed of speed change gear
Degree with derived from speed change gear conveyance speed it is equal.
Wherein, the speed change gear has the first dancer for receiving the tablet from upstream feeding, after processing
The second dancer for downstream sending out of tablet, make the first dancer, the second dancer back and forth horizontal along mutual identical direction
First drive mechanism of shifting movement, and the first dancer, the second dancer is made the second drive mechanism of speed change gyration.
Above-mentioned first dancer and the second dancer can carry out reciprocal transverse motion in the presence of the first drive mechanism, same with this
When, it is also possible to speed change gyration is carried out in the presence of the second drive mechanism.
The ultrasonic wave welding device sets one or more groups of between the first dancer and the second dancer, and it is to sheet
The welding operation generation of thing is between two dancers in the slack-off time interval of linear velocity.
Using above-mentioned technical proposal, two dancers make motion in the same direction when on the one hand due to work, and motion amplitude is small, more accords with
The miniature requirement of conjunction equipment, the form such as the wired rail of common mounting means of another aspect transverse motion and linear gathering sill,
So have processing cost it is low, reciprocating stroke is more easy to control, and high precision advantage.Will be right by above-mentioned speed change gear
During the welding operation of tablet the linear velocity of tablet be set to conveyance speed than importing speed change gear and/or with from change
The derived conveyance speed of speed variator is small, so as to the time lengthening due to receiving vibration, so what the tablet of unit area received
Vibrational energy quantitative change is big, therefore improves the reliability of welding.
Above-mentioned ultrasonic wave welding device has converter, amplifier, ultrasonic horn and relative with ultrasonic horn
Anvil roller.The tablet is arranged between ultrasonic horn and anvil roller.Anvil on anvil roller can be evenly arranged with a pair, two pairs or
Person is more.Accordingly, ultrasonic wave welding device can be set to two groups, even more many, it is worth mentioning at this point that, due to a change quick-mounting
Putting can correspond to multiple ultrasonic wave welding devices, with increasing for ultrasonic wave welding device quantity, can be traversing in reduction dancer
While number of times, the revolution of prime mover load is reduced, therefore be remarkably improved the durability of device, and it is easier for installation, easily
In debugging.
When being related to tablet and changing yard problem, such as need to be changed to L, S yard by M yards, adjustment conveniently has two：First, directly adjust
The distance between ultrasonic horn in section adjacent ultrasonic ripple fusion splicing devices, because each ultrasonic wave welding device is all linearly equal
Even arrangement is simultaneously installed in straight-line groove, therefore can directly change lateral separation between each part during debugging, high precision and very
It is convenient；2nd, on the premise of ultrasonic wave welding device is not changed, regulating roller is set up between adjacent ultrasonic ripple fusion splicing devices, is led to
The height for crossing adjustment regulating roller reaches the purpose of tablet between two ultrasonic wave welding devices of change.
Further, a speed change cycle of the first drive mechanism, equal to a speed change cycle of the second drive mechanism.
For the first drive mechanism, the mechanism be used to driving the first dancer and the second dancer along with tablet
The identical or opposite direction of conveyance direction carries out reciprocal traversing.In other words, the linear velocity between need to reduce by two dancers
When, the first dancer and the second dancer are moved along the direction opposite with tablet conveyance direction simultaneously；When need increase
Between two dancers when linear velocity, the first dancer and the second dancer simultaneously along with tablet conveyance direction identical
Move in direction.Realizing the concrete structure of above-mentioned action has various, and such as the rotating of servomotor driving pulley, toggle drive
Movable belt pulley rotating or four bar slide block mechanisms etc. form, do not repeat one by one herein.
Certainly also it is readily apparent that as those skilled in the art and the pulley in above-mentioned belt wheel is substituted for gear, belt is replaced
Into chain.The improvement of this kind of mode is it is also understood that into similar change of the present utility model.
Used as a kind of implementation method of the first drive mechanism, it includes two pulleys, and is set in past on two pulleys
It is traversing again to use belt.Reciprocal traversing with being provided with the first company for being pivotally connected with the first dancer on belt
Fitting, and the second connector being pivotally connected with the second dancer.One in above-mentioned two pulley is
Driving pulley, the driving pulley carries out positive and negative rotation by the first servomotor.It is pointed out that above-mentioned first drive mechanism
It is quick for installation with simple structure, debug convenient advantage.
Further, the second drive mechanism is used to make the first dancer and the second dancer be carried out with identical peripheral speed
Rotate, it has：Positioned at the rotatable input roller of the first dancer upstream side, positioned at the rotatable of the second dancer downstream
Outlet roller, for the driven roller for driving the first dancer and the second dancer to be rotated with identical peripheral speed, several
Power roller, and it is erected at the Timing Belt on above-mentioned each roller.Wherein, input roller guiding tablet is moved to the first dancer, is exported
Roller guiding exports tablet from the second dancer, and the driven roller connects the second servomotor and drives each roller by Timing Belt
Synchronous speed change gyration.
According to the utility model, the linear velocity of tablet is set to than importing speed change during by speed change gear by welding operation
The conveyance speed of device and/or small with speed is transported derived from speed change gear, so as to obtain longer receiving vibration
Time, and then improve the reliability of welding.
Speed change gear in the utility model is moved by the collaboration of reciprocal traversing driving device and speed change rotary motion mechanism
Make so that the vibration-direction of two dancers remains identical, and speed keeps synchronous, realizing imports tablet
Increase and decrease the conveyance speed of tablet on the premise of the conveyance speed of speed change gear is equal with speed is transported derived from speed change gear.
Additionally, the utility model has compact conformation, rigidity is good, and low cost is easy for installation, it is easy to accomplish miniaturization etc. is excellent
Point, can fully ensure the weld interval of material, and weld interval is flexibly adjusted according to the effect of welding, ensure to weld
While connecing effect, the high speed Production requirement of product is met.
Below with reference to drawings and Examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 is fundamental diagram of the present utility model.
Fig. 2 is the schematic diagram of the utility model another kind specific embodiment.
Fig. 3 is the traveling schematic diagram of tablet.
Fig. 4 is the schematic side view of speed change gear, and the first and second dancer illustrated in figure is located at center.
Fig. 5 is the schematic side view of speed change gear, and the first and second dancer illustrated in figure is located at left end limit position
Put.
Fig. 6 is the schematic side view of speed change gear, and the first and second dancer illustrated in figure is located at extreme right position
Put.
Fig. 7 is the tablet curve that the linear velocity of CD is changed over time between two dancers in a kind of specific embodiment
Figure.
Fig. 8 is a kind of curve that changes over time of driving pulley angle of revolution of the first drive mechanism in specific embodiment
Figure.
Fig. 9 is a kind of curve that changes over time of angle of revolution of the driven roller of the second drive mechanism in specific embodiment
Figure.
In figure, 100, speed change gear,
V0, tablet conveyance speed,
V1, tablet import speed change gear conveyance speed,
V2, speed is transported derived from speed change gear,
P, tablet,
11st, the first dancer,
12nd, the second dancer,
13rd, the first drive mechanism,
14th, the second drive mechanism,
15th, pulley,
16th, reciprocal traversing use belt,
17th, the first connector,
18th, the second connector,
20th, input roller,
21st, outlet roller,
22nd, driven roller,
23rd, jockey pulley,
24th, Timing Belt,
W_A, the reciprocating direction of the first drive mechanism,
The direction of rotation of W_B, the second drive mechanism,
D0, tablet conveyance direction,
D1With tablet conveyance direction identical direction,
D2The direction opposite with tablet conveyance direction,
30th, ultrasonic wave welding device,
31st, ultrasonic horn,
32nd, anvil roller.
Specific embodiment
By reference to accompanying drawing, following examples are illustrated, such that it is able to be clearly understood from the utility model, but it is real
Apply example and accompanying drawing is only the diagram that carries out and for what is illustrated, should not be used to limit protection model of the present utility model
Enclose.Protection domain of the present utility model is determined by claims.
Also referring to Fig. 1 to 9, a kind of welding system of tablet has：For treating posetionof weld to tablet P
Applying vibrational energy makes its ultrasonic wave welding device 30 fused with one another；And for increasing and decreasing the conveyance speed V of tablet0Make institute
State the conveyance speed V that tablet imports speed change gear1With the conveyance speed V derived from speed change gear2Equal speed change gear 100.
Wherein, speed change gear 100 has：First dancer 11 of the tablet P from upstream feeding is received, will be processed
The second dancer 12 that tablet P afterwards downstream sends out, makes the first dancer 11, the second dancer 12 along mutual identical side
To the first drive mechanism 13 of reciprocal transverse motion, and the first dancer 11, the second dancer 12 is set to make speed change gyration
The second drive mechanism 14.One speed change cycle of the first drive mechanism 13, equal to a speed change week of the second drive mechanism 14
Phase.
The dancer 12 of above-mentioned first dancer 11 and second can carry out reciprocal horizontal stroke in the presence of the first drive mechanism 13
Shifting movement, at the same time, it is also possible to carry out speed change gyration in the presence of the second drive mechanism 14.
Above-mentioned " tablet " is formed by overlapping multiple thermoplastics of the mutual deposition of needs, with regard to the present embodiment
Speech, it refers to the common pants type paper diaper of in the market, or is " drawing trousers ".Its structural representation see Chinese patent
Application No. CN01120406.0, Fig. 2 parts are entered in the Figure of description of entitled " manufacture methods of disposable shorts "
Row understands.
Specifically, above-mentioned thermoplastic can use by the block copolymer of polystyrene, polyisoprene it is embedding
Single material in section copolymer, the block copolymer of polybutadiene, the copolymer of ethene, natural rubber and carbamate
Expect or mix layered product or the rubber of retractility film, flexible nonwoven fabrics, retractility film and the non-woven fabrics of at least two materials
The layered product of tree lace and non-woven fabrics is constituted.
Ultrasonic wave welding device 30 sets one or more groups of between the first dancer 11 and the second dancer 12, and it is to piece
The welding operation generation of shape thing is between two dancers 11,12 in the slack-off time interval of linear velocity.
Next ultrasonic wave welding device is specifically described.
As shown in figure 1, two groups of ultrasonic wave welding devices 30 are set between the first dancer 11 and the second dancer 12, its
Occur to the welding operation of tablet between two dancers 11,12 in the slack-off time interval of linear velocity.
The ultrasonic wave welding device 30 has converter, amplifier, ultrasonic horn 31 anvil relative with ultrasonic horn
Roller 32 and automatic regulating apparatus.
Wherein, converter produces ultrasonic activation, converter to be connected with amplifier according to electric signal.
Amplifier is amplified to the ultrasonic activation produced by converter, and amplifier is connected with ultrasonic horn.
Ultrasonic horn 31 is vibrated using the ultrasonic activation after being amplified by amplifier, and the top of ultrasonic horn is in rule
Positioning is set on position corresponding with the outer peripheral face of anvil roller 32.
Thus, tablet P is arranged between ultrasonic horn 31 and anvil roller 32, with the rotation of anvil roller 32, using ultrasound
The vibration of ripple loudspeaker 31 and welding tablet P.Thus, junction surface is formed in the assigned position of tablet P.
The purpose of automatic regulating apparatus has two, and one is the distance of the outer peripheral face by the top of ultrasonic horn 31 Yu anvil roller 32
Predetermined distance is maintained into, to ensure the intensity of welding；Two is that two ultrasonic wave welding devices 30 are adjusted when product escape is related to
The distance between upper ultrasonic horn 31.Certainly for the latter, it would however also be possible to employ set up regulating roller between two ultrasonic horns,
To change the scheme of distance between the two.Due to receive vibration time lengthening, so unit area tablet receive shake
Kinetic energy quantitative change is big, therefore improves the reliability of welding.
Certainly also can be as shown in Fig. 2 ultrasonic wave welding device 30 be configured into one, the program can also realize that this practicality is new
The purpose of type, as hereinbefore, the advantage with low cost, scheme of the right welding efficiency than two groups needs to be carried its operation principle
It is high.
An example to the first drive mechanism, the second drive mechanism is illustrated below.
First drive mechanism 13 includes two pulleys 15, and is set in the reciprocal traversing use belt 16 on two pulleys 15.
Reciprocal traversing with being provided with the first connector 17 for being pivotally connected with the first dancer 11 on belt 16, with
And the second connector 18 being pivotally connected with the second dancer 12.One in above-mentioned two pulley 15 is drive
Movable pulley, the driving pulley carries out positive and negative rotation by the first servomotor (not shown).The arrow W_A illustrated in Fig. 4 is represented
The reciprocating direction of first drive mechanism.
Second drive mechanism 14 is used to make the first dancer 11 and the second dancer 12 be turned with identical peripheral speed
Dynamic, it has：Positioned at the rotatable input roller 20 of the upstream side of the first dancer 11, positioned at the downstream of the second dancer 12 can
The outlet roller 21 of rotation, for the driven roller for driving the first dancer 11 and the second dancer 12 to be rotated with identical peripheral speed
22, several jockey pulleys 23, and it is erected at the Timing Belt 24 on above-mentioned each roller 11,12,20,21,22,23.
Wherein, the guiding of input roller 20 tablet P is moved to the first dancer 11, and outlet roller 21 is guided from the second dancer 12
Output tablet, the driven roller 22 connects the second servomotor and drives each roller synchronous speed change to turn round fortune by Timing Belt 24
It is dynamic.The arrow W_B illustrated in Fig. 4 represents the direction of rotation of the second drive mechanism.
As shown in figure 3, so that tablet entirety turns left conveyance from the right side as an example, tablet P bypasses input roller 20, first and floats successively
Dynamic roller 11, the second dancer 12 and outlet roller 21, tablet import the conveyance speed V of speed change gear1Derived with from speed change gear
Conveyance speed V2It is equal, V0Represent conveyance speed or linear velocity that tablet is located between two dancers.
First, between need to increase by two dancers 11,12 when CD sections of tablet linear velocity, the first dancer 11 and the
Two dancers 12 simultaneously along with tablet conveyance direction D0Identical direction D1Motion, i.e., shown in Fig. 5；
2nd, between need to reduce by two dancers 11,12 when CD sections of tablet linear velocity, the first dancer 11 and the
Two dancers 12 simultaneously along with tablet conveyance direction D0Opposite direction D2Motion, i.e., shown in Fig. 6.
Above-mentioned speed change gear alternately repeatedly carries out the high speed conveyance and low speed conveyance of tablet.In high speed conveyance process
In, the translational speed of the tablet P between two dancers 11,12 is bigger than entering the speed of the tablet P of the first dancer 11.Separately
On the one hand in low speed conveyance, the translational speed of the tablet P between two dancers 11,12 is than the piece into the first dancer 11
The speed of shape thing P is small.
It is as shown in Figs. 7-9, in the case of in ultrasonic bonding, tablet deceleration percentage is 50%, the first driving machine
On structure 13 in the drive mechanism 14 of driving pulley 15 and second driven roller 22 angular displacement curve movement, with tablet two float
Laws about modified speed between roller.
Above-described embodiment is only, to preferred embodiment of the present utility model, not scope of the present utility model to be limited
It is fixed, therefore on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to described in the utility model
Equivalence changes or decoration that construction, feature and principle are made, all should fall into protection domain of the present utility model.
Claims (10)
1. a kind of welding system of tablet, tablet is transported to one side, and each other, its feature exists tablet described in the welding of one side
In, including：
Ultrasonic wave welding device, for treating that posetionof weld applies vibrational energy to tablet, makes its fused with one another；And
Speed change gear, the conveyance speed for increasing and decreasing tablet so that the tablet import the conveyance speed of speed change gear with
Speed is transported derived from speed change gear equal；
Wherein, the speed change gear has the first dancer for receiving the tablet from upstream feeding, by the piece after processing
The second dancer that shape thing is downstream sent out, makes the first dancer, the second dancer along the reciprocal traversing fortune in mutual identical direction
The first dynamic drive mechanism, and the first dancer, the second dancer is made the second drive mechanism of speed change gyration；It is described
First dancer and the second dancer carry out reciprocal transverse motion in the presence of the first drive mechanism, at the same time two dancers
Speed change gyration is also carried out in the presence of the second drive mechanism；
The ultrasonic wave welding device sets one or more groups of between the first dancer and the second dancer, and it is to tablet
Welding operation generation is between two dancers in the slack-off time interval of linear velocity.
2. the welding system of tablet as claimed in claim 1, it is characterised in that：One speed change week of first drive mechanism
Phase, equal to a speed change cycle of the second drive mechanism.
3. the welding system of tablet as claimed in claim 1, it is characterised in that：First drive mechanism is used to drive first
Dancer and the second dancer carried out along direction identical with tablet conveyance direction or opposite it is reciprocal traversing, during this
The vibration-direction of two dancers keeps identical and speed sync；When need reduce by two dancers between linear velocity when,
Two dancers are moved along the direction opposite with tablet conveyance direction simultaneously；The linear velocity between need to increase by two dancers
When, two dancers are moved along with tablet conveyance direction identical direction simultaneously.
4. the welding system of tablet as claimed in claim 3, it is characterised in that：First drive mechanism includes two pulleys, with
And be set on two pulleys reciprocal traversing use belt；One in above-mentioned two pulley is driving pulley, on the driving pulley
It is connected with the first servomotor for controlling its positive and negative rotation.
5. the welding system of tablet as claimed in claim 4, it is characterised in that：It is described reciprocal traversing to be also equipped with belt
The first connector being pivotally connected with the first dancer, and with the second dancer pivotally phase
Second connector of connection.
6. the welding system of tablet as claimed in claim 1, it is characterised in that：Second drive mechanism is used to make first to float
Dynamic roller and the second dancer are rotated with identical peripheral speed.
7. the welding system of tablet as claimed in claim 6, it is characterised in that：Second drive mechanism includes：Positioned at
The rotatable input roller of one dancer upstream side, positioned at the rotatable outlet roller in the second dancer downstream, for driving
The driven roller that first dancer and the second dancer are rotated with identical peripheral speed, several jockey pulleys, and be erected at
State the Timing Belt on each roller；
The input roller guiding tablet is moved to the first dancer, and outlet roller guiding exports tablet from the second dancer.
8. as described in any one of claim 1 to 7 tablet welding system, it is characterised in that：The ultrasonic wave welding device
With converter, amplifier, ultrasonic horn and the anvil roller relative with ultrasonic horn.
9. the welding system of tablet as claimed in claim 8, it is characterised in that：The ultrasonic wave welding device also includes automatic
Adjusting apparatus.
10. the welding system of tablet as claimed in claim 8, it is characterised in that：Also include being arranged at adjacent ultrasonic ripple welding
It is used to adjust the regulating roller of tablet length between ultrasonic horn between device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387687.XU CN206306485U (en) | 2016-12-17 | 2016-12-17 | The welding system of tablet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387687.XU CN206306485U (en) | 2016-12-17 | 2016-12-17 | The welding system of tablet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206306485U true CN206306485U (en) | 2017-07-07 |
Family
ID=59252513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621387687.XU Active CN206306485U (en) | 2016-12-17 | 2016-12-17 | The welding system of tablet |
Country Status (1)
| Country | Link |
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| CN (1) | CN206306485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145305A (en) * | 2018-03-09 | 2018-06-12 | 晋江海纳机械有限公司 | A kind of continuous type ultrasonic wave soldering picks and continuous type ultrasonic wave welding method |
-
2016
- 2016-12-17 CN CN201621387687.XU patent/CN206306485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145305A (en) * | 2018-03-09 | 2018-06-12 | 晋江海纳机械有限公司 | A kind of continuous type ultrasonic wave soldering picks and continuous type ultrasonic wave welding method |
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Address after: 18 No. 245000, Penglai Road, Huangshan City Economic Development Zone, Anhui Patentee after: Huangshan Futian Precision Manufacturing Co., Ltd Address before: 18 No. 245000, Penglai Road, Huangshan City Economic Development Zone, Anhui Patentee before: HUANGSHAN FUTIAN JINGGONG MANUFACTURING Co.,Ltd. |