CN102834032A - Method and device for producing brushes - Google Patents
Method and device for producing brushes Download PDFInfo
- Publication number
- CN102834032A CN102834032A CN2010800661930A CN201080066193A CN102834032A CN 102834032 A CN102834032 A CN 102834032A CN 2010800661930 A CN2010800661930 A CN 2010800661930A CN 201080066193 A CN201080066193 A CN 201080066193A CN 102834032 A CN102834032 A CN 102834032A
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- CN
- China
- Prior art keywords
- basic part
- setal fascicle
- setal
- fascicle
- opening
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
- A46D1/06—Machines or apparatus for cutting bristles
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/08—Preparing uniform tufts of bristles
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/08—Parts of brush-making machines
- A46D3/082—Magazines for bristles; Feeding bristles to magazines; Knot picking
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D9/00—Machines for finishing brushes
- A46D9/02—Cutting; Trimming
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Abstract
The invention relates to a method and a device for producing brushes (10), wherein bunches (16) of bristles are removed sequentially from a store (44) of bristles, in which the bristles are packed parallel to each other. The bunches (16) of bristles removed are transported to a base part (12) of the brush (10) by means of a transport device (18). The bunches (16) of bristles are pushed sequentially into associated openings (14) in the base part from the rear of the base part (12). A gap is provided between the transport device (18) and the opening (14), through which gap the bunches (16) of bristles are pushed into the opening (14). Then the bunches (16) of bristles are fastened to the base part (12) without anchoring.
Description
Technical field
The present invention relates to a kind of method and apparatus that is used to make toothbrush.
Background technology
As everyone knows, different toothbrush production method is arranged.Traditionally, brush body is provided with a series of hole (" hole pattern "), and the layout in these holes is corresponding with the layout of bristle.Setal fascicle is positioned in then in the hole on the brush body and by bulged-in little metal fixator or by ring and is fixed.
A kind of selectable; Adopt in recent years be known as AFT-method (Anchor Free Tufting: in the toothbrush production method no fixator tufting method); Setal fascicle is by ring or fixator and be fixed on the little toothbrush top board, and gripper shoe is placed to the inside of brush body or handle then or is fixed on the handle.In a kind of variant of AFT-method, manufacturing be above have the layout in toothbrush handle and hole of a hole pattern corresponding with the layout of setal fascicle.Setal fascicle is placed in these holes then and is fixed on the toothbrush handle.The stiff end of setal fascicle covers with a platelet subsequently.
Summary of the invention
The present invention relates to a kind of method and apparatus that is used to make toothbrush that is the basis with the AFT-method.
Inventive method of the present invention and device, they are simple to operate and at first be that operating rate needs maintaining especially soon and less.
Be particularly useful for making toothbrush and stipulate following step according to method of the present invention:
In order from the bristle magazine wrapping and the setal fascicle of parallel placement takes out.
Be transported to the part of finished product toothbrush to the setal fascicle that takes out by conveying arrangement, promptly basic part has opening above the said basic part, is responsible for receiving each setal fascicle.
Push and pass corresponding opening to setal fascicle from the back side of basic part in order, wherein, between conveying arrangement and opening, provide a gap of not having guiding, setal fascicle be pushed in the opening through said gap and
Under the situation of not using fixator, be fixed on setal fascicle on the basic part.
In according to method of the present invention, setal fascicle is taken out and is transported to a basic part by (in other words, in order) one by one from the bristle magazine (especially a material casket in).This basic part can be a plate, can link together with brush body then, perhaps itself is exactly a sections of brush body.The front of basic part refers to bristled that one side, and certain spacing is held in the bristle of toothbrush and front after the toothbrush moulding, and in contrast, the back side (that side that does not have in other words, bristle) normally seals.In background technology, each setal fascicle is filled in the opening through the support of being close to basic part at device side or retainer, and in according to method of the present invention, is to have a gap of not having guiding between basic part and device.Setal fascicle must be filled in the basic part the inside through this gap from device.So just can not wear device.
Because setal fascicle is according to priority, in other words, filled in the basic part the inside one by one, therefore do not need strictly to adapt to other basic part at the device side instrument yet.
In addition, in background technology, be support work in the time of mostly through a tool side, the opening of support accurately cooperates with the interior opening of basic part.At first, this support is loaded setal fascicle, and this support is transported to the basic part that is loaded subsequently.Make in a large number, the support of in a device, working is comparatively expensive.In addition,, need debug device again, cause expensive if produce different toothbrushes.
According to method of the present invention with in according to device of the present invention, this debuging again becomes special simple basically.
In according to method of the present invention, when pushing setal fascicle for each opening, the instrument of secured in alignment and mobile is so always adjusted in the position of basic part.Like this, in order to push setal fascicle in order, basic part moves at both direction at least, thus the setal fascicle that opening to be loaded is pushed into the brigadier.
The result who directly produces is that this method can easily adapt to brand-new setal fascicle pattern especially.
When basic part using freely programmable setting, when preferably moving under the situation of 2-shaft industrial robot, this method adapts to new pattern especially especially soon.
When setal fascicle is transferred to final position and they in order through the setal fascicle extractor is when this position is pushed into opening to be loaded, and this is especially favourable.No matter be during singly separately the time or in transportation, all only to need a kind of motion to setal fascicle, this motion can be, for example, and the circular motion of setal fascicle extractor or rectilinear motion.
The setal fascicle extractor needn't move around between receiving position and outgoing position.Also can consider, provide the annular or the circular setal fascicle extractor that for good and all rotate along a direction.
Employed bristle is made of plastics.
The advantage that setal fascicle has is filled at the back side, because usually at the block in front, setal fascicle leans out and no matter how many length tolerances of each bristle is from basic part as expected.In addition, also can select to use the bristle top by pretreated bristle, for example, rounding, the bristle top that points, or the like.
According to the preferred construction form, in the process that is pushed into setal fascicle the basic part in the conveying arrangement, only setal fascicle is applied axial compressive force.In other words, setal fascicle is radially clamped (that is, setal fascicle can launch when clamping, thereby makes the entering opening become difficult) in the gap.A kind of so radially clamping force especially appears in the so-called clamping support.
The height in gap in the direction vertical with the back side of basic part, should especially be greater than diameter half the of setal fascicle, and especially, the gap should be greater than the twice of the cross section of the opening on the basic part.
Gapped between the edge of opening and transport, still, especially, the back side of gap even big auto levelizer and basic part keeps sufficient spacing.
Because the thickness of common basic part is very little and the length of the opening of responsible support setal fascicle is equally correspondingly very small; Therefore; A preferable methods step regulation should be according to the location, front of basic part before the guide of a band of device side through hole is pushing setal fascicle.Setal fascicle is inserted into the through hole above the guide through opening.Preferably, but this situation is not obsessive, and bristle yet will stretch out from guide in the front.
The front side end of setal fascicle can or contact with the compressing member of moulding in assembling basic part process afterwards, so that create the toothbrush face of moulding.The bristle face is the front treated side of toothbrush, is to form through the bristle end.Can or just there be and have served as block in this compressing member or after filling in, compressed bristle when filling in, thereby makes bristle be close to compressing member and the shape that embodies compressing member.
According to the preferred construction form, the setal fascicle that stretches out of the opening above basic part will be sheared overleaf.Each bristle length tolerance will be able to compensation whereby, because accurate length coupling can realize through compressing member in the front, cuts short simply overleaf then.
This instrument that can accomplish or still pass through heating through cutting tool of cutting short, the blade of especially so-called heat is accomplished.Cutter in heat comes in contact with each bristle finger tip, wherein special height of the dwell time of cutting tool.
Setal fascicle is fixed overleaf, for example, and through heat fused and/or stickup and/or be placed in the injected pressure injection molding material.Certainly, also combination in any each other of this fixing means.
As described before, filled in the preferably rounded or preliminary treatment of bristle in the basic part.
In cutting short process, if setal fascicle can only radially supported by guide by basic part and existence according to a version.Do not required lateral support at these two ends, terminal is to be close to device at end face also axially be fixed whereby.
The back side of setal fascicle and basic part is covered.This can have a groove to realize through for example brush body setal fascicle stub area overleaf, and said groove is sealed by compressing member prefabricated or die cast.The another kind of feasible program that covers the setal fascicle at the back side is; When prefabricated compressing member, process projection of type at its side form towards basic part; It is so-called victim's structure; Said structure is softening (especially becoming liquid state) in heating process subsequently, by towards basic part or push towards brush body usually.If basic part is two different elements with brush body, can certainly be equipped with this victim's structure to brush body, so that be heated the back and possibly link together by also heated basic part at them.This cover plate can dispose the cleaning projection of holding certain distance of arbitrary shape, so that can be used as tongue cleaner or similar thing.
As selection scheme, basic part is sealed by injection moulding.If basic part is not to become one with brush body simultaneously, but needs are fixed on the element of the remainder of brush body, then when making brush body, can injection moulding seal basic part.But injection moulding is sealed basic part and is not limited to these variant.
A special preferred construction form regulation of the present invention; Setal fascicle is that no fixator formula is fixed overleaf; Especially through fusion and/or paste, it is on the edge of opening of initial point with corresponding cavity that the basic part that assembles is put into a half mould of a compression mod subsequently from dress bristle station cavity the inside and its edge drops on one and setal fascicle reaches the opening the inside.Overleaf, a toothbrush sections that is used to cover setal fascicle is injection moulded into type on basic part.Through the present invention, make the required expense of gripper shoe and obviously be minimized, because gripper shoe need not move to compression mod from dress bristle machine, thus, compression mod needn't forcibly interconnect with the work tempo of dress bristle machine.In background technology, the bristle end of setal fascicle at first is mutual fusion, and this normally carries out being equipped with on orifice plate setal fascicle, that manufacturing expense is expensive.Subsequently, for setal fascicle is sealed in injection moulding, orifice plate is transported to the compression mod the inside.The basic part of being loaded onto bristle always is transported to compression mod the inside or another die casting station with gripper shoe in background technology.Gripper shoe is used for (head and shank) opposing die casting pressure when the die casting brush body.But, the present invention's regulation, this gripper shoe that disposes the toothbrush hole pattern is no longer served as the gripper shoe in the compression mod when making brush body.Opposite is; Stipulating in a half mould of a compression mod, have an opening (preferred in the cavity inner region of injection molding according to method of the present invention with in according to device of the present invention; And a plurality of setal fascicle all reaches this opening the inside a unique opening).Basic part just or similar just through its around the edge drop on the cavity and only supported with preferred on the opening of initial point at this edge.
Basic part side is on the edge of supported in cavity.
According to the preferred construction form, basic part through its border seal around ground be close to opening be closed-loop equally around the edge, thereby reach sealing effectiveness.
Through according to method of the present invention, though no longer between compression mod and dress bristle machine, circulate in this method aperture plate, whole manufacturing process and whole device can be implemented using under the obviously less orifice plate situation.
Now also can leave the basic part of loading onto setal fascicle in intermediate store or the buffer in.When compression mod or dress bristle machine are safeguarded, can not cause another machine down, thereby flexibility is improved obviously.
A plurality of cavitys are preferably arranged, so that improve the mass output rate of whole device in the half mould according to device of the present invention.
Half mould with at least one cavity is also passable, and this is preferred, is made up of a plurality of parts.Can use first half mould and second half mould, also can be other half mould that has especially a plurality of cavitys that are arranged side by side or arrange in a row in case of necessity.Be divided into a plurality of sections then with the corresponding cavity of toothbrush, for example, one first half mould and one at second half mould.These cavitys merge and form total cavity of half mould each other.But first half mould can separate and serve as sometimes the means of transport or the discharging instrument of the one or more basic parts that are positioned at it with second half mould.So, first half mould can be independent of second half mould and take the lead in being assembled the basic part that setal fascicle has been housed and then just connect with second half mould, that is, and and before beginning die casting.Because many first half moulves can made and use to first half mould therefore owing to there is not hole pattern to make especially easily relatively inexpensively, this can improve the cycle time and the flexibility of whole device significantly.
But, each half mould is rolled away from with being integral.Brush body is placed on then in the half mould and after die casting and takes out.
It is emphasized that according to the preferred construction form so-called brush body can be single part or multi-part formula structure, can in compression mod, be cast into type.This brush body is toothbrush handle part normally, the part of toothbrush stem and toothbrush head.Another part of toothbrush head is to form through basic part.
But if basic part itself has comprised similar whole head and comprised the whole shank of toothbrush basically, this version is also meaningful, especially for the lower toothbrush of price.This basic part also forms sections of toothbrush naturally and is loaded onto bristle and be head zone overleaf subsequently at least or also sealed by injection moulding in handle region.
Several openings on the basic part can keep not having setal fascicle and being closed through die casting.Like this, even same basic part also can be realized different setal fascicle layouts.As the selection of sealing no setal fascicle opening and additional, can be to the elastic forming spare that opening injects or filling has arbitrary cross section on opening.These profiled members are not bristles, but the cross section of other kind or less than or greater than the common profiled member of bristle.These profiled members also can have, and for example, one is different from circular shape of cross section.If want to cause a kind of massage effect, especially will use this profiled member to gum.
The scheme of the no setal fascicle opening of before mentioning of other sealing is an injection of plastic overleaf.At this moment, perhaps possibly only have or not the setal fascicle opening to be closed, perhaps positive holding apart from the profiled member of settling simultaneously also by together cast.Positive guide serves as compression mod here.
Setal fascicle is separated from the bristle material-storing box and especially one by one is sent to opening through conveying arrangement in the side longitudinally at bristle.As for conveying arrangement, use be not known in the background technology, vertically slip into material-storing box at bristle, receive and the feed pipe of clamping setal fascicle.Through get in the side material can realize on the one hand high cycle time and on the other hand setal fascicle obviously can be extruded rarely or not, this can improve their location again when setal fascicle gets into opening.
In addition, the invention still further relates to a kind of device that is used to make toothbrush, especially a kind of so-called toothbrush is made machine, and this device preferably uses described according to method of the present invention.Device comprises the material casket; In the material casket setal fascicle material-storing box is arranged, setal fascicle is wrapped, and is placed on abreast in the material-storing box; The setal fascicle take out device; Said take out device takes out setal fascicle in the longitudinally extending side of setal fascicle in order from the bristle material-storing box, be responsible for being transported to the conveying arrangement of filling in the station to each setal fascicle, wherein fills in the station and has the support of being responsible for toothbrush basic part to be installed; And device, setal fascicle does not have gap guiding, adjacent with the back side of basic part by the importing basic part also interts and mistake from the back side according to priority through said device with through cross-over connection.
The device especially comprise closed-loop around material collecting device, for example, material receiving desk; Chain; Indexing workbench or have the scale of basic part receiving system generally speaking, receiver turns round on scale, so that through each work station; For example, be responsible for cutting off setal fascicle and fixedly setal fascicle work station and be responsible for being enclosed in the brush body that opens wide at the back side in case of necessity or the work station of die casting brush body.
Preferably, take out device is integrated in the conveying arrangement.
Another kind of scheme is, conveying arrangement is transported to setal fascicle along straight line or shaped form track and fills in the station.This so-called setal fascicle extractor had been done introduction in EP0972465B1.
In addition, preferably contain the setal fascicle extractor according to device of the present invention, said extractor is transported to the final position to setal fascicle in order, and setal fascicle axially is pushed into opening to be feeded from this position.Therefore cancelled and separately handed to afterwards another device or a support to setal fascicle one by one earlier, said apparatus just makes the step of setal fascicle in-position when soon beginning to push then.
In addition, also comprise work station, at said work station according to device of the present invention; In order to push setal fascicle in order; Basic part moves at both direction at least, thereby makes opening to be feeded aim at setal fascicle to be pushed, wherein; This work station especially has a freely programmable to be provided with, and preferably the industrial robot of 2-axle is used for moving basic part.
Preferred construction form regulation is integrated into topping machanism in the device, is breaking at the bristle that the back side leans out from basic part through said topping machanism.Topping machanism does not especially have supporter ground to advance at the horizontal direction of bristle.In background technology, bristle is cut off overleaf, and the method that is adopted is, the gripper shoe of a device side is served as a reverse blade, and bristle passes gripper shoe and stretches out.This gripper shoe is lived bristle is stable, and a blade advances along the surface of gripper shoe, cuts off bristle.Though this shear pattern is reliable, can cause the topping machanism wearing and tearing with so with compare more maintenance work of needs and renewal part according to device of the present invention because in according to device of the present invention, on instrument, do not provide gripper shoe.
Show that the shearing work that does not have to support realizes easily through heatable instrument that preferably the instrument of heat contacts bristle and cuts off in this version.
Heatable instrument especially forms through the filament that has electric current to pass through, and said filament can be circle or flat, wherein, obtains good especially result through test with the flat filament.
At the setal fascicle processing station, bristle is welded to each other by bunchy or whole and/or pastes and/or pour into a mould.
The guide of device side can move to the front of basic part, moves to next work station and locatees setal fascicle from a work station jointly with basic part.
For the positive terminal position of clear and definite bristle, especially on the toothbrush surface of moulding, but device has the moulding compressing member of traverse feed, and compressing member is in filling in process or contact setal fascicle afterwards.A reverse compressing member can move facing to setal fascicle from the negative.
Description of drawings
Further feature of the present invention and advantage result from following explanation and accompanying drawing.Brief description:
The sequence of steps that Fig. 1 a-1h carries out in according to device of the present invention according to method of the present invention.
Fig. 2 is according to the vertical view of the work station of apparatus of the present invention, and shown in the figure is the process of from the material casket, taking out setal fascicle.
The perspective view of Fig. 3 work station shown in Figure 2 has wherein omitted several parts.
The detail drawing that Fig. 4 Fig. 3 is exaggerated.
The profile of Fig. 5 work station shown in Figure 3.
Fig. 6 wherein, is cutting off bristle according to the perspective view of another work station of apparatus of the present invention.
The detailed cross sectional view of Fig. 7 work station shown in Figure 6.
The sequence of steps that Fig. 8 a-8c another work station shown in Figure 6 is cut out with another blade.
Fig. 9 is according to the vertical view of apparatus of the present invention.
Figure 10 is according to the part of apparatus of the present invention, the perspective view of a half mould of compression mod.
The vertical view of a half mould of the compression mod that Figure 11 is shown in Figure 10.
Figure 12 is placed on the vertical view of the basic part of loading onto bristle of half mould the inside shown in Figure 11
Figure 13 disposes the underneath side elevation view of the half mould shown in Figure 12 of basic part.
The optional version of Figure 14 Figure 11, wherein, supporting projections reaches in the opening of half mould extraly.
The specific embodiment
What show among Fig. 1 is a plurality of sequential steps that are manufactured on the toothbrush that is the toothbrush form here.Toothbrush has the brush body 10 of a band head toothbrushes, and head toothbrushes forms basic part 12 in the back.Basic part 12 has many through holes 14, is filled with setal fascicle 16 in the through hole, and setal fascicle is to be fixed on the basic part 12.
In Fig. 1, can identify, conveying arrangement 18 (also will carry out detailed explanation later on) is transported setal fascicle 16 singly and is come, and these setal fascicles are pushed the opening 14 on the back side of basic part 12 from conveying arrangement 18 through device.
Conveying arrangement 18 has the rewinding mouth 22 that is filled with setal fascicle 16 and moves to basic part 12 here.But device 20 contains the push rod 24 that straight line moves, and said push rod is pushed into rewinding mouth 22 vertically, thereby is pushed into setal fascicle 16 and rewinding mouth 22 concentric openings 14 the insides.Basic part moves and together aims at setal fascicle to be pushed 16 with the opening 14 of band filling along two axles.
Like finding in Fig. 1 a, the guide 26 of a device side is positioned in the front of basic part 12, and preferably the front with basic part 12 contacts, and the through hole of basic part is concentric with opening 14 to be feeded.
Have block 30 and guide 26 hold apart from and put.Setal fascicle 16 is headed into basic part 12 and guide 26 the insides by the back side (that is, the back side of toothbrush 10) from basic part 12, and stretches out and knock block 30 from guide 26 again in the front.
In case opening 14 all to be feeded has been equipped with setal fascicle 16, then reaches assembled state complete among Fig. 1 b.
It is emphasized that the version of looking toothbrush 10 and decide that not every opening all must be filled with setal fascicle 16.For other geometric figure of the variant that can realize setal fascicle figure and bristle can optionally give various openings 14 filling setal fascicles 16.
In the next method step shown in Fig. 1 c, block 30 is eliminated.Substitute said block, compressing member 32 axially being moved upward of setal fascicle 16, therefore can contact whole setal fascicle 16 from the front.The top cutting forming of compressing member 32, thus a toothbrush face of supplying (end through setal fascicle 16 forms) formed.
Part setal fascicle 16 is upwards pushed once more through compressing member 32 and is stretched out from basic part 12 unevenly overleaf.
Can select, provide one at this back side compressing member 32 worked the back-pressure plate 36 of the effect of supplying, thereby cause setal fascicle 16 between compressing member 32 and back-pressure plate 36, as far as possible seamlessly to be fixed in the axial direction.
Because the length of each bristle is different, in order to reach the tolerance equilibrium, can consider, one or elastic construction are arranged or in the compressing member 32,36 by resiliency supported.
Because compressing member 32, the front side end of setal fascicle 16 is accurate location to basic part.
Also want in the step of illustrated in detail later at the next one, the setal fascicle 16 of holding certain distance with basic part 12 overleaf is sheared (Fig. 1 d), causes the free end of generation to be close to the top of basic part 12.
In the next procedure that next work station is carried out, setal fascicle 16 is fixed overleaf.Thisly fixedly pass through, for example, welding is accomplished.
Another kind of welding scheme shown in Fig. 1, hot plate 38 is pushed towards setal fascicle 16 directions in this scheme.The end, the back side of the bristle of being processed by thermoplastic fuses each other, preferably layer 40 fusion (seeing Fig. 4 f) each other through forming a perforation.In the shear history that before this fixation procedure neutralization is also included within, carries out, preferred, compressing member 32 is retained on the setal fascicle 16.Can remove compressing member 32 (Fig. 1 g) now, and back cover plate 40 is installed in the back side of basic part 12 subsequently, the stub area that is welded to each other at the quilt of setal fascicle 16 at least.Cover plate 40 can be a prefabricated component.As selection, cover plate 40 also can through basic part 12 or on brush body die cast.Can certainly use the sacrificial structure of mentioning before at cover plate or brush body.
In above-mentioned method step, in order to support and to seal, preferred (can not understand) guide 26 is retained on the basic part 12 with limiting to.
To the method step of just explaining before be described in more detail one by one and explain below.
Fig. 2 shows is the more detailed details according to a possible version of the work station of apparatus of the present invention.At said work station setal fascicle 16 by one by one separately and be transported to basic part 12.Device has the work station 42 with material casket of oneself for this reason, and bristle magazine 44 is placed in the material casket.
Bristle abreast and do not add be placed in group by group the material casket 42 in.They are extruded along the conveying arrangement direction through suitable hold down gag.Conveying arrangement 18 current, be to comprise round gyroaxis 46 revolutions with limiting in the exemplifying embodiment that can not understand and have the take out device 48 of plate shape setal fascicle dispenser equally; Its shown in exemplifying embodiment in be a so-called circular arc, this circular arc has the rewinding opening 50 of setal fascicle 16.Rewinding opening 50 opens wide in the side towards bristle magazine 44.When setal fascicle dispenser during to right-hand rotation, with reference to figure 2, rewinding opening 50 contacts with bristle magazine 44.Because bristle magazine 44 is at the prestressing force of these rewinding opening 50 directions, many bristles press to rewinding opening 50, and it is filled fully.
Therefore, the fractionation of setal fascicle is laterally to carry out in that bristle is longitudinally extending, and bristle is to stretch in the direction vertical with the drawing aspect in this example.After rewinding opening 50 was loaded bristle, it turned round and moves to the position shown in Fig. 2 in the direction of the clock.The guide plate 52 that shape with plate 48 is complementary is responsible for, and does not have bristle and drops out from rewinding opening 50.
Shaped form track except conveying arrangement 18 is had in structural form also can carry out linear running.
But because many openings 14 that must load setal fascicle 16 are in order arranged on the basic part 12, so basic part 12 is at X, and the Y both direction moves.The opening 14 of such band charging will be adjusted the setal fascicle 16 that aligning rewinding opening 50 and next band push.
The corresponding work station preferably has so-called X-Y-slide block, and basic part 12 is fixed on this slide block and can moves on a plane.So-called X-Y-slide block is freely programmable setting, the positioner of 2-axle, the preferably simple version of the industrial robot of 2-axle at least.
What Fig. 3 showed is the perspective view of material casket 42, has bristle magazine 44.In order to make whole work station become more clear, a plurality of parts have been omitted.
In addition, Fig. 3 also show by from install 20 be pushed into the opening of basic part 12 setal fascicle 16.Support 54 is guide 26 location and be stopped at a positioning unit, for example, and the X-Y-slide block that basic part 12 is alignd with rewinding opening 50.
Fig. 4 shows, stretches out from guide 26 in the front after the opening 14 of setal fascicle 16 on being pushed into basic part 12.But setal fascicle 16 also stretches out from basic part 12 overleaf, or after pushing or after compressing member 32 moves up.
Show the insertion process of setal fascicle 16 among Fig. 5 in greater detail.Can find out that the setal fascicle 16 that is placed in the conveying arrangement 18 stretched out from the back side of basic part 12 before getting into opening 14.The gap 60 that in opening 14 zones a thickness to be arranged between conveying arrangement 18 and the basic part 12 be d.Gap 60 is not through guide or similar thing bridge joint.
Conveying arrangement 18 also keeps spacing with the remainder of basic part 12.Minimum range between the back side of corresponding clearance D demonstration conveying arrangement 18 and basic part 12.Also can select clearance D is zero, but gap 60 exists always.
Therefore, when pushing setal fascicle 16, these setal fascicles must free bridge gap 60.
In order easily to import setal fascicle 16, opening 14 preferably is provided with the chamfering 62 of widening overleaf.
Can see also that in Fig. 5 basic part 12 is overleaf in opening 14 zones fluted 64.Cover plate 14 is positioned in the groove 64 or die cast.
The project organization of conveying arrangement 18 is, in the process that pushes bristle opening 14, in conveying arrangement 18, has only an axial compressive force (that is, bristle pressure) longitudinally to be applied in to setal fascicle to be imported 16.This means that fix around the inwall of rewinding opening 50, not having radially, clamping force imposes on bristle.This unique clamping force is to realize that through the prestressing force in the bristle magazine 44 said prestressing force is passed in the rewinding opening 50 when splitting bristle one by one.
The shearing of setal fascicle 16 is preferably at the own work station according to apparatus of the present invention, and preferably undertaken by a heated instrument.
What Fig. 6 showed is a kind of like this version of heated instrument 70, and said instrument contains the hot wire of conduction.This wire is parallel with the back side of basic part 12 basically and be positioned as close to basic part 12 and move and cut off outstanding bristle end.At this moment, the part bristle also can fuse each other.
What Fig. 7 showed is to also there not being the heat effect cut and setal fascicle 16 that will fuse each other.But in addition, the separated end that remains in the setal fascicle 16 in the basic part 12 also can fuse, and this helps location and fixing.
In Fig. 5 and Fig. 6, show be the rounded basically metal wire of cross section as instrument 70, and what show at Fig. 8 a-8c is another optional version of metal wire, a so-called lenticular wire.Metal wire this same conduction, heated is sideling facing to bristle to be separated in blade side.
Can find out also that in Fig. 5-8 setal fascicle 16 is not supported at avris in its cut point zone.Instrument 70 is not supported in basic part 12 zones yet, to such an extent as to wearing and tearing when cutting, can not occur.Therefore we can say that cutting is not have to carry out under the situation of supporter.
Drop on basic part 12 for the separated end that stops setal fascicle 16, preferably shear upside down, the example among Fig. 8 (is seen) down in the back side in other words.Like this separated end 72 is directly toward falling.
Said, and be fixed on setal fascicle 16 basic part 12 or pass through welding and/or pass through stickup and/or pass through and pour into a mould, for example, in the process of making cover plate 40, carried out.Cover plate 40 can have the cleaning projection 80 of holding apart from arranging especially overleaf, forms tongue cleaner.Be pressed into after the cover plate 40 that also can select to add or paste, also can be through the sacrificial structure of mentioning before using.
All openings 14 all must be through setal fascicle 16 sealings.Also can, as beginning is mentioned the time, have the opening 14 of or other to keep not by filler.When afterwards stickup or cast or injection moulding, corresponding opening 14 can be closed.
In addition, also can be enclosed in the elastic forming spare shown in Fig. 6 82 to several openings.The corresponding opening 14 of basic part 12 and this cross section obviously are complementary greater than the monomer-type profiled member of the cross section of setal fascicle 16.Profiled member 82 can be used as the massage protrusions or the similar thing of gum.Profiled member 82 can or prefabricated and be loaded into then opening or at once in opening/the opening sidenote is molded.
What Fig. 9 showed is the device that is used for making according to aforesaid method toothbrush.This device is designed to a kind of instrument that for example has turntable 100.Preferably, each setal fascicle one by one is transported to basic part 12 (being brush body 10) here through take out device 48 and conveying arrangement 18 in the outside of tool stand 100, wherein, brush body 10 be placed in advance guide 26 above.Material casket that has an empty guide 26 has existed and in order to improve logic, has not here shown.
Carried, and at the feeding station, moved in X-direction and Y-direction through the guide 26 that makes lateral support, each setal fascicle 16 is filled in corresponding opening 14.
Afterwards, bristle is cut off by instrument 70 overleaf.This cutting off can be accomplished at next work station or at the work station that compressing member and back- pressure plate 32,36 is mounted for the first time,
Subsequently, setal fascicle 16 is fixed overleaf, for example, and through heat effect.
At last, injection moulding cover plate 40. finished product toothbrushes are removed and are for example piled up.Being transported to first work station to guide 26 does not clearly illustrate out.
At this, it is emphasized that to substitute to be molded in the basic part 12 on the brush body 10, also can use the basic part of a plate shape, this basic part for example seal through injection moulding be fixed on brush body 10 before, need through whole work stations.
What in Figure 10-13, show is a compression mod, and said compression mod can be used as an additional work station and is used in one and contains a plurality of work stations, is used to make in the device of toothbrush.
Shown in Figure 10 is the compression mod sketch, comprises a combined type mo(u)ld bottom half 140 and a mo(u)ld top half 142, and they respectively have cavity, and cavity merges and form a die cavity that is injection moulded into type alternately at the closure state of mould.Mo(u)ld bottom half 140 comprises two parts at least, that is, and and first moulded parts 144 (detail drawing is seen Figure 11 and 13) and second moulded parts 146.Half mould 140,142 contains a plurality of cavitys that are arranged side by side 156.
First moulded parts 144 has an opening 148 in the zone of each cavity 146, said opening serves as basis and the setal fascicle 16 that is used to support a basic part 14 with cavity 146.150 positions, edge are lower, are the parts of cavity 146, around each opening 148.This edge 150 serves as the supporting surface of the basic part 12 of the bristle of packing into.Except edge 150, cavity 146 also also has the transition of a neck section 152 as toothbrush head and toothbrush handle part.
Shown in figure 10, this neck section 152 changes into one section cavity 156 that is used for confirming or holding toothbrush handle part in second moulded parts 146.
According to the preferred construction form, regulation has only an opening 148 to be used to receive whole setal fascicles 16 of a basic part 12.This makes the manufacturing cost of first moulded parts 144 cheap especially.
According to the preferred construction form, the basic part 12 that the back side is not also sealed by injection moulding forms the head and the shank of toothbrush.At this moment, also can have a part that is loaded into bristle, and this part is sealed the formation shank subsequently by injection moulding at head.But, should be one according to preferred construction form head and shank, and head be useful on the opening 14 that receives setal fascicle 16.
For example, the basic part 12 that is loaded into bristle is taken off from guide 26 through method step manufacturing shown in Fig. 1 a-1g with in method step subsequently.Guide 26 does not move to the die casting station with the basic part that is loaded into bristle 12.
The basic part 12 that is loaded into bristle is then or through machine or manually be transported to first half mould 144 and inserted opening 148 there; Perhaps be defined in the bristle station of packing into and set up intermediate stores, be stored in the basic part that is loaded into bristle 12 there with the die casting station.
Can identify the basic part 12 of being inserted at Figure 12, wherein, just illustrate for simplicity at the intercepted basic part 12 of neck area.
In Figure 12, also shown the basic part 12 that is welded to each other overleaf.Basic part 12 has a flute profile recess overleaf, and said recess is full of liquid plastic when compression mod is closed.
The toothbrush head at the plastic-enclosed back side of injecting.In addition, also can utilize the second assembly injection moulding to seal or injection mo(u)lding at this method step or another method step, for example, the sections of shank.As stated, basic part 12 also can only be made up of the part of toothbrush head or toothbrush head, and remaining subregion of injection mo(u)lding in compression mod then.
In injection moulding process, 12 edges that are supported on opening 148 of basic part.Setal fascicle is not supported yet.This has greatly simplified compression mod.According to the preferred construction form, basic part 12 through its border seal around ground be close to opening 148 be closed-loop equally around edge 150, thereby reach sealing effectiveness.
Open after the compression mod, first moulded parts 144 is taken off from compression mod and or is transported to another die casting station or is sent to the warehouse as the finished product toothbrush with brush body.
Be not transported to the die casting station to basic part 12 from the bristle station of packing into because be loaded into the orifice plate of the basic part 12 of bristle, so these two work stations or machine can be worked with being separated from each other.Wherein a machine down can not cause another to shut down yet.
As selection, also can to provide bottom with opening 148 be starting point or on second moulded parts 140, be the supporting projections 170 that starting point is stretched out to upper edge basic part 12 directions with groove 160 zones according to Figure 14.As shown in the figure, supporting projections 170 is rectilinear or the strong point of point-like and in order to clamp-on between the bristle and towards basic part 12 directions gradually coning.Even in this version, also be the basis, between setal fascicle 16, extend and the support of passive bridge shape with edge 150.
As in whole other version, opening 148 is very big, is enough to make whole or a plurality of at least setal fascicles 16 to put in shared or a public opening.
Claims (23)
1. make the method for toothbrush (10) by device for one kind, it is characterized in that following step:
In order from bristle magazine (44) wrapping and the setal fascicle (16) of parallel placement takes out;
Be transported to the part of finished product toothbrush to the setal fascicle (16) that takes out by conveying arrangement (18), promptly basic part (12) has opening (14) above the said basic part, is responsible for receiving each setal fascicle (16);
Push and pass corresponding opening (14) to said setal fascicle (16) from the back side of said basic part (12) in order; Wherein, Between said conveying arrangement (18) and said opening (14), provide a gap (60) of not having guiding; Said setal fascicle (16) be pushed in the said opening (14) through said gap and
Be fixed on the said basic part (12) at following said setal fascicle of the situation of not using fixator (16).
2. method according to claim 1 is characterized in that, in order to push said setal fascicle in order, said basic part (12) moves at both direction at least, thus the setal fascicle (16) that opening to be loaded (14) is pushed into the brigadier.
3. method according to claim 2 is characterized in that, said basic part (12) is using freely programmable setting, preferably moving under the situation of 2-shaft industrial robot.
4. according to each described method in the aforementioned claim, it is characterized in that said setal fascicle (16) is transferred to the final position in order through the setal fascicle extractor, and they are to be pushed into opening to be loaded (14) from this position.
5. according to each described method in the aforementioned claim, it is characterized in that, only setal fascicle (16) is applied axial compressive force when on said conveying arrangement (18), pushing.
6. according to each described method in the aforementioned claim; It is characterized in that; According to the positive location of basic part, wherein, said setal fascicle (16) is inserted into said through hole (28) through said opening (14) before the guide (26) of device side band through hole (28) is pushing said setal fascicle; Preferably, said bristle stretches out from said guide (26) in the front.
7. according to each described method in the aforementioned claim, it is characterized in that the front side end of said setal fascicle (16) is in assembling basic part (12) process or contact with the compressing member (32) of moulding afterwards, so that create the toothbrush face of moulding.
8. according to each described method in the aforementioned claim, it is characterized in that after said setal fascicle (16) was pushed into, said setal fascicle stretched out and is sheared from said opening (14) overleaf.
9. method according to claim 8 is characterized in that, cuts short through heated instrument (70), and especially hot blade is accomplished.
10. according to claim 5 or 6 described methods, it is characterized in that for fixing said setal fascicle overleaf, said setal fascicle is placed in the injected pressure injection molding material by heat thawing and/or stickup and/or end overleaf.
11. according to each described method in the aforementioned claim; It is characterized in that; Said setal fascicle (16) is that no fixator formula is fixed overleaf; Especially through fusion and/or stickup; It is that the edge (150) of the opening (148) of initial point is gone up and setal fascicle (16) reaches inside the opening (148) with corresponding cavity (146) that the basic part that assembles (12) is put into the half mould of compression mod subsequently from dress bristle station cavity the inside and its edge drops on one, and overleaf, and the toothbrush sections that is used to cover setal fascicle is injection moulded into type on said basic part (12).
12. method according to claim 11; It is characterized in that; Said basic part (12) is in the zone of opening (148) during in injection mo(u)lding; Keep not supporting or point-like or the opening (148) of rectilinear supporting projections (170) between bristle to basic part (12) extruding, thereby when injection mo(u)lding, support said basic part.
13., it is characterized in that when injection mo(u)lding, it is not supported axially in the compression mod the inside that basic part (12) just is close to the front side end of compression mod and/or setal fascicle (16) through its edge according to claim 11 or 12 described methods.
14., it is characterized in that said basic part (12) is transported to the die casting station and does not use gripper shoe by the station of packing into from bristle according to each described method among the claim 11-13.
15., it is characterized in that said setal fascicle (16) is separated and is sent to each opening (14) through said conveying arrangement (18) in the side longitudinally at bristle according to each described method in the aforementioned claim from bristle material-storing box (44).
16. one kind is used for especially utilizing each described method of aforementioned claim to make the device of toothbrush, comprises:
Material casket (42) has setal fascicle material-storing box (44) in the said material casket, said setal fascicle is wrapped and is placed on abreast in the material-storing box,
Setal fascicle (16) take out device (48), said take out device take out said setal fascicle (16) in the longitudinally extending side of said setal fascicle in order from said bristle material-storing box (44),
Be responsible for each setal fascicle (16) be transported to the conveying arrangement (18) of filling in the station and
Install, the importing basic part also interts and mistake said setal fascicle (16) from the back side according to priority through said device with through gap adjacent, that do not have guiding, the back side of cross-over connection and basic part (12) quilt.
17. device according to claim 16 is characterized in that, said conveying arrangement (18) is transported to the said station of filling in to said setal fascicle (16) along straight line or shaped form track.
18. according to claim 16 or 17 described devices; It is characterized in that having topping machanism, be breaking at the bristle that the back side leans out from basic part (12) through said topping machanism; Wherein, said topping machanism does not especially have supporter ground to advance at the horizontal direction of bristle.
19. device according to claim 18 is characterized in that, said topping machanism has heatable instrument (70), and bristle is cut off through said instrument.
20., it is characterized in that according to each described device among the claim 16-19, provide setal fascicle (16) fixed station, bristle here is welded to each other by bunchy ground or whole and/or pastes and/or pour into a mould.
21., it is characterized in that according to each described device among the claim 16-20, provide the guide (26) of device side, it can move to the positive of said basic part (12) and pass through each work station jointly with said basic part.
22. according to each described device among the claim 16-21; It is characterized in that having can be to the moulding compressing member (32) of basic part (12) and setal fascicle (16) traverse feed, this compressing member contacts said setal fascicle (16); Thereby make positive toothbrush face moulding; Wherein, preferably provide reverse compressing member (36), so that setal fascicle (16) is axially located between said compressing member (32) and said reverse compressing member (36).
23. according to each described device among the claim 16-22; It is characterized in that; Have combined type half mould (140), said half mould has at least one cavity and first moulded parts (144) and second moulded parts (146), their two fusion sections with at least one cavity; And wherein, said first moulded parts (144) can separate and form the transmission parts of at least one basic part (12) with said second moulded parts (146).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10003937.9 | 2010-04-13 | ||
| EP10003937.9A EP2377424B1 (en) | 2010-04-13 | 2010-04-13 | Device and method for manufacturing brushes |
| PCT/EP2010/007359 WO2011127951A1 (en) | 2010-04-13 | 2010-12-03 | Method and device for producing brushes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102834032A true CN102834032A (en) | 2012-12-19 |
| CN102834032B CN102834032B (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080066193.0A Active CN102834032B (en) | 2010-04-13 | 2010-12-03 | Method and device for producing brushes |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP2377424B1 (en) |
| CN (1) | CN102834032B (en) |
| ES (2) | ES2443141T3 (en) |
| WO (1) | WO2011127951A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104223758A (en) * | 2013-06-14 | 2014-12-24 | 龙昌兄弟股份有限公司 | Manufacturing method for toothbrush and toothbrush |
| CN109561759A (en) * | 2016-09-21 | 2019-04-02 | 沙郎斯基股份公司 | The method of beam pick device, brush-making machine, the method for manufacturing beam pick-up and the matching piece for manufacturing beam pick device |
| US11723453B2 (en) | 2017-12-12 | 2023-08-15 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2763567B1 (en) * | 2011-10-06 | 2020-04-01 | GB Boucherie NV | Method and device for producing brushes and brush |
| CN105007776B (en) | 2012-12-10 | 2017-05-31 | 高露洁-棕榄公司 | Oral care implement |
| CA2909171A1 (en) * | 2014-11-11 | 2016-05-11 | L G Harris & Co Limited | Improvements in or relating to paint brushes |
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| FR2663825A1 (en) * | 1990-06-29 | 1992-01-03 | Tonelli Jean | FOLDABLE TOOTHBRUSH OF THE SINGLE USE TYPE WITH THE HAIRS OBTAINED IN THE SAME INJECTION PHASE, ITS MANUFACTURING METHOD AND ITS INJECTION MOLD. |
| DE4029610A1 (en) * | 1990-09-19 | 1992-03-26 | Zahoransky Anton Fa | Bristle tuft coupling to brush body - uses perforated plate for inserting bristle tuft ends and heating protruding end up to plastification |
| US5344218A (en) * | 1990-08-29 | 1994-09-06 | Coromet-Werke Heinrich Schlerf Gmbh | Apparatus for producing bristle bundles |
| EP0972465A1 (en) * | 1998-07-14 | 2000-01-19 | Firma G.B. BOUCHERIE, naamloze vennootschap | Method for manufacturing brushes and brush manufacturing machine applying this method |
| JP2003235648A (en) * | 2002-02-13 | 2003-08-26 | Kao Corp | Brush manufacturing method |
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2010
- 2010-04-13 EP EP10003937.9A patent/EP2377424B1/en active Active
- 2010-04-13 ES ES10003937.9T patent/ES2443141T3/en active Active
- 2010-12-03 EP EP10787032.1A patent/EP2557960B1/en active Active
- 2010-12-03 WO PCT/EP2010/007359 patent/WO2011127951A1/en active Application Filing
- 2010-12-03 CN CN201080066193.0A patent/CN102834032B/en active Active
- 2010-12-03 ES ES10787032.1T patent/ES2657241T3/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| FR2663825A1 (en) * | 1990-06-29 | 1992-01-03 | Tonelli Jean | FOLDABLE TOOTHBRUSH OF THE SINGLE USE TYPE WITH THE HAIRS OBTAINED IN THE SAME INJECTION PHASE, ITS MANUFACTURING METHOD AND ITS INJECTION MOLD. |
| US5344218A (en) * | 1990-08-29 | 1994-09-06 | Coromet-Werke Heinrich Schlerf Gmbh | Apparatus for producing bristle bundles |
| DE4029610A1 (en) * | 1990-09-19 | 1992-03-26 | Zahoransky Anton Fa | Bristle tuft coupling to brush body - uses perforated plate for inserting bristle tuft ends and heating protruding end up to plastification |
| EP0972465A1 (en) * | 1998-07-14 | 2000-01-19 | Firma G.B. BOUCHERIE, naamloze vennootschap | Method for manufacturing brushes and brush manufacturing machine applying this method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104223758A (en) * | 2013-06-14 | 2014-12-24 | 龙昌兄弟股份有限公司 | Manufacturing method for toothbrush and toothbrush |
| CN104223758B (en) * | 2013-06-14 | 2016-06-15 | 龙昌兄弟股份有限公司 | The manufacture method of toothbrush |
| CN109561759A (en) * | 2016-09-21 | 2019-04-02 | 沙郎斯基股份公司 | The method of beam pick device, brush-making machine, the method for manufacturing beam pick-up and the matching piece for manufacturing beam pick device |
| CN109561759B (en) * | 2016-09-21 | 2021-06-11 | 沙郎斯基股份公司 | Bundle pickup device, brush making machine, method for manufacturing bundle pickup device, and method for manufacturing mating member of bundle pickup device |
| US11484114B2 (en) | 2016-09-21 | 2022-11-01 | Zahoransky Ag | Tuft-picking device, brush-making machine, method for producing a tuft picker and method for producing a counter piece of a tuft-picking device |
| US11723453B2 (en) | 2017-12-12 | 2023-08-15 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2557960B1 (en) | 2017-10-25 |
| EP2377424A1 (en) | 2011-10-19 |
| EP2557960A1 (en) | 2013-02-20 |
| EP2377424B1 (en) | 2013-10-23 |
| WO2011127951A1 (en) | 2011-10-20 |
| CN102834032B (en) | 2014-12-03 |
| ES2443141T3 (en) | 2014-02-18 |
| ES2657241T3 (en) | 2018-03-02 |
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