CN103789935A - Cloth gripping device - Google Patents
Cloth gripping device Download PDFInfo
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- CN103789935A CN103789935A CN201410078330.2A CN201410078330A CN103789935A CN 103789935 A CN103789935 A CN 103789935A CN 201410078330 A CN201410078330 A CN 201410078330A CN 103789935 A CN103789935 A CN 103789935A
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- cloth
- gripping device
- metal level
- flexible sheet
- silica gel
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Abstract
The invention provides a cloth gripping device which comprises a gripping arm body. One end of the gripping arm body is provided with a cavity. One end of the cavity is covered with an elastic film piece arranged on the gripping arm body. The elastic film piece is provided with a through hole. The other end of the cavity is connected with an air pipe. The outer side of the elastic film piece is provided with a plurality of rows of needle-shaped protrusions. According to the cloth gripping device, by means of the adsorption force of air pressure and the clamping force of the needle-shaped protrusions, automatic feeding of cloth is stable and reliable. Moreover, due to the clamping function of the needle-shaped protrusions, the applicable cloth range of the cloth gripping device is wide. In addition, due to the special structure, the energy consumption in the working process of the cloth gripping device is small and the noise is low.
Description
Technical field
The present invention relates to the servicing unit of sewing machine, relate in particular to a kind of cloth gripping device.
Background technology
Along with the development of Sewing machines industry, Sewing machines is applied in the different field in productive life more and more, and is also little by little enriched with the supporting auxiliary equipment of Sewing machines.
The Sewing machines using now gradually from before manually to automatic transformation, cloth also can carry out automation supply by some machineries, when wherein Sewing machines is worked, use of the supply of cloth or crawl completes with the cloth suction means of sucker shape suction nozzle more, cloth suction means utilizes vacuum power absorption cloth to be moved to precalculated position, the part but this device also comes with some shortcomings in use: (1) applicable cloth scope is little, can only draw for the very fine and close that cloth of yarn fibers, and most cloth is knitting or tatting, space between the yarn fibers of these clothes is larger, in the time of actual suction means, there will be gas leak phenomenon, cause cloth not drawn, (2) between the yarn fibers due to cloth, there is gap between cloth and sucker, thus need that suction nozzle consumption is very high-power just can reach needed vacuum, thus waste energy, (3) in the time of the pieces of cloth of the upper strata of absorption multilayer cloth, due to the distribution situation difference of draught head, in a lot of situations of adhesion between sucker and the superiors' pieces of cloth, be less than the adhesion between layer of cloth, this causes and in the time drawing, can not guarantee all only to draw the pieces of cloth of the superiors at every turn, but often appearance draw simultaneously multi-disc or a slice also draw less than situation, very undesirable of the poor automation control of this Reliability of Microprocessor, (4) owing to not capturing structure between common sucker and the yarn fibers of cloth, therefore in the process of separation and moving cloth, all the time will keep stronger vacuum to keep certain suction, very large noise is also followed in therefore relatively power consumption simultaneously in the time of work.Because there is above-mentioned deficiency in prior art, so need a kind of work more stable, reliable for capturing the device of cloth.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, safe and reliable cloth gripping device, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of cloth gripping device, comprise handgrip body, one end of described handgrip body has cavity, one end of described cavity is coated with the flexible sheet being arranged on handgrip body, described flexible sheet is provided with through hole, and the other end of described cavity is connected with tracheae, and described flexible sheet outside is provided with many row's needle-like projections.
Preferably, described flexible sheet comprises the metal level and the silica gel layer that fit, metal level is positioned at the outside of silica gel layer, the edge of described metal level is provided with multiple breach, metal level edge removes barbed portion and is all connected with handgrip body, the edge of described silica gel layer is also connected with handgrip body, and described needle-like projection is arranged on the lateral surface of metal level, and described metal level and silica gel layer have the through hole connecting.
Further, the through hole on described metal level is multiple small sircle holes, and the through hole in described silica gel layer is a big hole, and described multiple small sircle holes are all in the scope of big hole.
Further, the diameter of described small sircle hole is 3～4 times of described needle-like projection diameter.
Further, described small sircle hole and big hole are opened in respectively the centre position of metal level and silica gel layer.
Preferably, on described handgrip body, also offer air flue, described tracheae and cavity are connected by air flue, and the diameter of described cavity is greater than the diameter of air flue.
Further, described handgrip body is cylindric, and described air flue is offered along axis.
Preferably, described handgrip body is provided with annular silica gel sheath on the outer circumference surface of one end of flexible sheet.
As mentioned above, a kind of cloth gripping device of the present invention, has following beneficial effect:
(1) applicable cloth wide ranges of the present invention, because the needle-like projection on flexible sheet first can be along with flexible sheet presses down in the process that realizes absorption pieces of cloth, and needle-like projection is thrust to cloth, the degree of depth that most needle-like projection is thrust can enter into the yarn fibers of cloth and full wafer cloth do not pierced through, because the yarn fibers of cloth has been subject to the cloth from lower floor, the extruding force of the upper and lower both direction of flexible sheet, when needle-like projection is thrust, space between the yarn fibers of the pieces of cloth of the superiors has part to be filled up by needle-like projection, reduce gas leakage and guaranteed air pressure, therefore there is no the cloth of filler with respect to lower floor, just be more prone to be drawn successfully.
(2) during due to this body running of handgrip of the present invention, between the yarn fibers of cloth, gap is filled by needle-like projection, gap portion between cloth and handgrip body is filled by annular silica gel sheath, therefore handgrip body does not need the gas that consumes very large flow just can obtain drawing the needed vacuum of cloth, thereby saves energy.
(3) due to the bistable characteristic of flexible sheet, and needle-like bulge-structure on flexible sheet, when flexible sheet is inside when recessed, the tip of two adjacent needle-like projections is drawn close mutually, a part of yarn fibers is clamped between adjacent needle-like projection, thereby increase the chucking power between handgrip body and the superiors' pieces of cloth, generally this chucking power is greater than the frictional force between the superiors' cloth and lower layer mix feeding, this has improved the Reliability of Microprocessor of drawing the superiors' pieces of cloth greatly, thereby automation equipment easy to use goes to realize this operating process, in addition, due to the holding function of needle-like projection, separating and moving in the process of cloth to be captured, do not need the vacuum that keeps stronger to keep certain suction, thereby save the energy, alleviate noise.
More than comprehensive, the present invention realizes the crawl of cloth by simple structure, has effectively guaranteed that the automation of Sewing machines cloth in the time of work is supplied with.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention
Fig. 2 is the present invention's the first working state schematic representation.
Fig. 3 is the flexible sheet evagination schematic diagram in Fig. 2.
Fig. 4 is the present invention's the second working state schematic representation.
Fig. 5 is the flexible sheet indent schematic diagram in Fig. 4.
Fig. 6 is that the A of handgrip body in Fig. 1 is to view
Fig. 7 is the cutaway view of handgrip body in the present invention.
In figure: 1 handgrip body 11 air flues
12 cavity 2 tracheaes
3 flexible sheet 31 metal levels
32 silica gel layer 311 small sircle holes
321 big hole 4 needle-like projections
5 annular silica gel sheaths
The specific embodiment
Structure that Figure of description illustrates, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, is not affecting under effect that the present invention can produce and the object that can reach, all should still drop in the scope that disclosed technology contents can contain.Simultaneously, in this description, quote as " on ", the term such as D score, 'fornt', 'back', " centre ", also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the present invention without essence.
If Fig. 1-Fig. 7 is a kind of cloth gripping device of the present invention, comprise handgrip body 1, one end of described handgrip body 1 has cavity 12, one end of described cavity 12 is coated with the flexible sheet 3 being arranged on handgrip body 1, described flexible sheet 3 is provided with through hole, and the effect of described through hole is for producing malleation and negative pressure so that the cloth that release and absorption will be moved; The other end of described cavity 12 is connected with tracheae 2, and described flexible sheet 3 outsides are provided with many row's needle-like projections 4.As shown in Fig. 2-Fig. 5, described tracheae 2 provides malleation or negative pressure by cavity 12, and in the time providing malleation for cavity 12, flexible sheet 3 outwardly convexs, arrange needle-like projection 4 outwards open-shaped more; In the time providing negative pressure for cavity 12, flexible sheet 3 is inwardly recessed, arranges needle-like projection 4 more and is gathering shape.
In the present invention, utilize the convex or concave of described flexible sheet 3, drive needle-like projection 4 open or draw in, and then release or gripping cloth.Flexible sheet 3 can be made of a variety of materials, such as silica gel material or tinsel etc.In the present embodiment preferably, as shown in Figure 6 and Figure 7, described flexible sheet 3 comprises the metal level 31(tinsel fitting together) and silica gel layer 32, metal level 31 is positioned at the outside of silica gel layer 32, the edge of described metal level 31 is provided with multiple breach, metal level 31 edges remove barbed portion and are all connected with handgrip body 1, and the edge of described silica gel layer 32 is also connected with handgrip body 1; Described needle-like projection 4 is arranged on the lateral surface of metal level 31, and metal level 31, in outside, contacts with cloth when work; Silica gel layer 32 is in inner side.Described metal level 31 and silica gel layer 32 have the through hole connecting.Further, as shown in Figure 6, the breach at described metal level 31 edges is provided with four and be inwardly recessed arc, four breach are uniformly distributed, this makes metal level 31 and handgrip body 1 have four locational coupling parts, this entirety for flexible sheet 3 provides the support force that maintains stable state, in the time of flexible sheet 3 evaginations and indent, is therefore all a kind of stable state.Because the metal level in the present embodiment 31 is provided with breach, so in order to reduce the time gas leakage of working under negative pressure state, its barbed portion is filled up covering by silica gel layer 32, so silica gel layer 32 has good elasticity can meet need of work.The object that in the present embodiment, metal level 31 is processed to breach is to reduce the needed atmospheric pressure of deformation, the mutual squeezing action power at flexible sheet 3 edges simultaneously also can reduce two transition and conversion between stable state time, and then can guarantee the stable of two stable states, also make two conversions between stable state be more prone to.
In the present embodiment, the through hole on described metal level 31 is multiple small sircle holes 311, and the through hole in described silica gel layer 32 is a big hole 321, described multiple small sircle holes 311 all in the scope of big hole 321, convenient like this processing and installation; And big hole 321 does not overlap with the breach on metal level 31, in case leak-stopping gas.Further, the diameter of described small sircle hole 311 is that 3～4 times of described needle-like projection 4 diameters are to guarantee gas flow, in order to guarantee that deformation (projection and recessed) also can occur flexible sheet 3 under less air pressure, described small sircle hole 311 quantity are unsuitable too many simultaneously.
In the present embodiment, described small sircle hole 311 and big hole 321 are opened in respectively the centre position of metal level 31 and silica gel layer 32.
In the present embodiment, on described handgrip body 1, also offer air flue 11, described tracheae 2 and cavity 12 are connected by air flue 11, and the diameter of described cavity 12 is greater than the diameter of air flue 11.Described cavity 12 can be for flexible sheet 3 is protruding and recessed amplitude provides larger space, but cavity 12 also needs a lot of gas flows just can reach working effect simultaneously, therefore relatively power consumption, so an air flue 11 is set, air flue 11 the consumption that can reduce on the one hand gas is set, reach energy-conservation effect; Also can make on the other hand air-flow more concentrated, make projection and recessed being more prone to of flexible sheet 3.
Described handgrip body 1 is cylindric in the present embodiment, and described cavity 12 is offered along axis.
Described flexible sheet 3 is disc-shaped in the present embodiment, and this can guarantee flexible sheet 3 projection and be a sphere when recessed, more be conducive to the crawl to cloth in the time working.Further, described handgrip body 1 is provided with annular silica gel sheath 5 on the outer circumference surface of one end of flexible sheet 3, makes like this this one end of handgrip body 1 form the structure of similar sucker; In the time capturing a slice cloth, between the yarn fibers of cloth, gap is filled up by needle-like projection 4, and the gap portion between cloth and flexible sheet 3 is enclosed in the annular silica gel sheath 5 at flexible sheet 3 edges and fills; Therefore when handgrip body 1 is drawn cloth by the through hole on flexible sheet 3, annular silica gel sheath 5 has effectively reduced gas leakage, makes not need under negative pressure state the gas that consumes very large flow just can obtain drawing the needed vacuum of cloth, thereby saves energy.
The present invention mainly plays the effect of transporting cloth at Sewing machines in to the process of cloth, for example, capture the superiors' pieces of cloth in multilayer cloth or capture the mobile cloth on table top etc. that is placed on.To capture upper strata pieces of cloth in multilayer cloth as example, the course of work of the present invention and principle are:
First in air flue 11, introduce malleation by tracheae 2, flexible sheet 3 because pressure-acting in outwardly convex state, mobile handgrip body 1 is to multilayer cloth top, apply downward power and make the multiple needle-like projections 4 on flexible sheet 3 thrust the pieces of cloth fiber of the superiors, and annular silica gel sheath 5 and the superiors pieces of cloth are fully contacted reduce gas leakage; Then in air flue 11, introduce negative pressure by tracheae 2, negative pressure can produce suction-operated to pieces of cloth, make like this upper strata pieces of cloth separate with lower floor pieces of cloth, the flexible sheet 3 simultaneously applying after negative pressure is inside recessed state, needle-like projection 4 is drawn in together because of the distortion of flexible sheet 3, and then yarn fibers on can gripping pieces of cloth, under the acting in conjunction of chucking power and absorption affinity, the pieces of cloth of the superiors are captured and are attached on handgrip body 1; When needle-like projection 4 has clamped after the pieces of cloth of upper strata, upper catching hand body 1 cloth sector-meeting is together taken up, now can stop the air feed of tracheae 2, drive pieces of cloth to do transverse movement by the grip between needle-like projection 4, after these pieces of cloth are moved to assigned address, tracheae 2 provides malleation again, there is deformation from recessed state transition and conversion to raised position in flexible sheet 3, now needle-like projection 4 discharges pieces of cloth, simultaneously because the effect of the through hole handgrip body 1 that pieces of cloth can be blown off on flexible sheet 3, so far crawl-movement-placement work of piece of cloth sheet completes.
The present invention has certain effect for dissimilar cloth gripping, uses very extensive.
In sum, apparatus of the present invention cloth gripping device, the problem of cloth gripping inconvenience can solve Sewing machines work time.So, have very high value and use meaning thereby the present invention has effectively overcome practical problems more of the prior art.
Above-mentioned embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.The present invention also has many aspects under the prerequisite without prejudice to overall thought, to improve, and all can, under spirit of the present invention and category, can above-described embodiment be modified or be changed for person skilled in the art scholar.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (8)
1. a cloth gripping device, it is characterized in that: comprise handgrip body (1), one end of described handgrip body (1) has cavity (12), one end of described cavity (12) is coated with the flexible sheet (3) being arranged on handgrip body (1), described flexible sheet (3) is provided with through hole, the other end of described cavity (12) is connected with tracheae (2), and described flexible sheet (3) outside is provided with many row's needle-like projections (4).
2. a kind of cloth gripping device according to claim 1, it is characterized in that: described flexible sheet (3) comprises the metal level (31) and the silica gel layer (32) that fit, metal level (31) is positioned at the outside of silica gel layer (32), the edge of described metal level (31) is provided with multiple breach, metal level (31) edge removes barbed portion and is all connected with handgrip body (1), the edge of described silica gel layer (32) is also connected with handgrip body (1), described needle-like projection (4) is arranged on the lateral surface of metal level (31), described metal level (31) and silica gel layer (32) have the through hole connecting.
3. a kind of cloth gripping device according to claim 2, it is characterized in that: the through hole on described metal level (31) is multiple small sircle holes (311), through hole in described silica gel layer (32) is a big hole (321), and described multiple small sircle holes (311) are all in the scope of big hole (321).
4. a kind of cloth gripping device according to claim 3, is characterized in that: the diameter of described small sircle hole (311) is 3～4 times of described needle-like projection (4) diameter.
5. a kind of cloth gripping device according to claim 3, is characterized in that: described small sircle hole (311) and big hole (321) are opened in respectively the centre position of metal level (31) and silica gel layer (32).
6. a kind of cloth gripping device according to claim 1, it is characterized in that: on described handgrip body (1), also offer air flue (11), described tracheae (2) and cavity (12) are connected by air flue (11), and the diameter of described cavity (12) is greater than the diameter of air flue (11).
7. a kind of cloth gripping device according to claim 1, is characterized in that: described handgrip body (1) is for cylindric, and described air flue (11) is offered along axis.
8. a kind of cloth gripping device according to claim 1, is characterized in that: described handgrip body (1) is provided with annular silica gel sheath (5) on the outer circumference surface of one end of flexible sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078330.2A CN103789935B (en) | 2014-03-05 | 2014-03-05 | A kind of cloth gripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078330.2A CN103789935B (en) | 2014-03-05 | 2014-03-05 | A kind of cloth gripping device |
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| Publication Number | Publication Date |
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| CN103789935A true CN103789935A (en) | 2014-05-14 |
| CN103789935B CN103789935B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410078330.2A Active CN103789935B (en) | 2014-03-05 | 2014-03-05 | A kind of cloth gripping device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233646A (en) * | 2014-10-09 | 2014-12-24 | 南京工业职业技术学院 | Fabric grabbing jaw chuck |
| CN104313800A (en) * | 2014-09-25 | 2015-01-28 | 杰克缝纫机股份有限公司 | Flexible cloth clamp |
| CN104389115A (en) * | 2014-09-25 | 2015-03-04 | 杰克缝纫机股份有限公司 | Suction nozzle with cloth grabbing, pressing cloth and moving functions |
| CN104480643A (en) * | 2014-12-10 | 2015-04-01 | 江苏万工科技集团有限公司 | Workpiece overlock manipulator device |
| CN104532488A (en) * | 2015-01-27 | 2015-04-22 | 杰克缝纫机股份有限公司 | Flexible material moving device and method, and sewing device |
| CN104562461A (en) * | 2015-01-27 | 2015-04-29 | 杰克缝纫机股份有限公司 | Flexible material operation device, operation method and sewing device |
| CN105063901A (en) * | 2015-08-14 | 2015-11-18 | 海宁市御纺织造有限责任公司 | Automatic feeding device of sewing machine |
| CN106498635A (en) * | 2016-11-04 | 2017-03-15 | 广州盛原成自动化科技有限公司 | Cloth apparatus are taken automatically |
| CN108840129A (en) * | 2018-09-12 | 2018-11-20 | 遨博（江苏）机器人有限公司 | Lamination cloth handling device |
| CN108861548A (en) * | 2018-07-04 | 2018-11-23 | 宁波贝克韦尔智能科技有限公司 | A kind of cloth gripping device |
| CN109208192A (en) * | 2017-07-06 | 2019-01-15 | 高林股份有限公司 | For automating the feeding device of sewing device |
| CN109278062A (en) * | 2018-08-31 | 2019-01-29 | 苏州柔触机器人科技有限公司 | A kind of grasping means of fabric and its de-stacking method of fabric |
| CN109957889A (en) * | 2019-04-28 | 2019-07-02 | 季华实验室 | It is a kind of for grabbing the sucker grabbing device of cloth |
| CN113293533A (en) * | 2021-01-18 | 2021-08-24 | 阿里巴巴（中国）有限公司 | Rear bag edge sewing device, rear bag sewing system and control method and device thereof |
| CN116021505A (en) * | 2023-03-28 | 2023-04-28 | 浙大城市学院 | A robot hand for soft material snatchs |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313800A (en) * | 2014-09-25 | 2015-01-28 | 杰克缝纫机股份有限公司 | Flexible cloth clamp |
| CN104389115A (en) * | 2014-09-25 | 2015-03-04 | 杰克缝纫机股份有限公司 | Suction nozzle with cloth grabbing, pressing cloth and moving functions |
| CN104233646A (en) * | 2014-10-09 | 2014-12-24 | 南京工业职业技术学院 | Fabric grabbing jaw chuck |
| CN104233646B (en) * | 2014-10-09 | 2016-05-11 | 南京工业职业技术学院 | A kind of cloth gripping pawl dish |
| CN104480643B (en) * | 2014-12-10 | 2017-02-22 | 江苏万工科技集团有限公司 | Workpiece overlock manipulator device |
| CN104480643A (en) * | 2014-12-10 | 2015-04-01 | 江苏万工科技集团有限公司 | Workpiece overlock manipulator device |
| CN104532488A (en) * | 2015-01-27 | 2015-04-22 | 杰克缝纫机股份有限公司 | Flexible material moving device and method, and sewing device |
| CN104562461A (en) * | 2015-01-27 | 2015-04-29 | 杰克缝纫机股份有限公司 | Flexible material operation device, operation method and sewing device |
| CN105063901B (en) * | 2015-08-14 | 2017-06-27 | 海宁市御纺织造有限责任公司 | A kind of automatic feeding of sewing machine |
| CN105063901A (en) * | 2015-08-14 | 2015-11-18 | 海宁市御纺织造有限责任公司 | Automatic feeding device of sewing machine |
| CN106498635A (en) * | 2016-11-04 | 2017-03-15 | 广州盛原成自动化科技有限公司 | Cloth apparatus are taken automatically |
| CN106498635B (en) * | 2016-11-04 | 2019-04-12 | 广州盛原成自动化科技有限公司 | Automatically cloth apparatus is taken |
| CN109208192A (en) * | 2017-07-06 | 2019-01-15 | 高林股份有限公司 | For automating the feeding device of sewing device |
| CN108861548A (en) * | 2018-07-04 | 2018-11-23 | 宁波贝克韦尔智能科技有限公司 | A kind of cloth gripping device |
| CN109278062A (en) * | 2018-08-31 | 2019-01-29 | 苏州柔触机器人科技有限公司 | A kind of grasping means of fabric and its de-stacking method of fabric |
| CN108840129A (en) * | 2018-09-12 | 2018-11-20 | 遨博（江苏）机器人有限公司 | Lamination cloth handling device |
| CN108840129B (en) * | 2018-09-12 | 2024-02-13 | 遨博（江苏）机器人有限公司 | Laminated cloth conveying device |
| CN109957889A (en) * | 2019-04-28 | 2019-07-02 | 季华实验室 | It is a kind of for grabbing the sucker grabbing device of cloth |
| CN113293533A (en) * | 2021-01-18 | 2021-08-24 | 阿里巴巴（中国）有限公司 | Rear bag edge sewing device, rear bag sewing system and control method and device thereof |
| CN113293533B (en) * | 2021-01-18 | 2022-06-24 | 阿里巴巴（中国）有限公司 | Rear bag edge sewing device, rear bag sewing system and control method and device thereof |
| CN116021505A (en) * | 2023-03-28 | 2023-04-28 | 浙大城市学院 | A robot hand for soft material snatchs |
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| CN103789935B (en) | 2016-01-20 |
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