CN1201042C - Press device for controlling fabric presser bar on stitching machine - Google Patents
Press device for controlling fabric presser bar on stitching machine Download PDFInfo
- Publication number
- CN1201042C CN1201042C CNB01124304XA CN01124304A CN1201042C CN 1201042 C CN1201042 C CN 1201042C CN B01124304X A CNB01124304X A CN B01124304XA CN 01124304 A CN01124304 A CN 01124304A CN 1201042 C CN1201042 C CN 1201042C
- Authority
- CN
- China
- Prior art keywords
- presser feet
- pressure
- fabric
- cylinder
- fabric presser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 47
- 238000009958 sewing Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
- D05B29/08—Presser feet comprising relatively-movable parts
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
An automatic control device that basically employs a pneumatic system that controls the pressure exerted on the shaft of the fabric pressure shoe, pressure that was traditionally exerted by spring systems or in any case mechanical-type systems that were always based on the pressure or the pull of a spring. Basically the automatic control device(1), installed above shaft(2) on which fabric pressure shoe(3) is mounted, consists of cylinder(4) in the chamber of which piston(5) slides. The chamber of cylinder(4) is connected at the top to a tube(8) that leads to pneumatic control system(9). This system includes pressure regulator(10) of a type suitable for performing precision control of the pressure in the air circuit.
Description
Technical field
This industrial invention patent relates to a kind of device that is used for controlling automatically the pressure of the fabric presser feet on the preferably industrial Sewing machines, and this industrial Sewing machines is equipped with ratchet, roller or belt transfer system or other similar transfer system.
The present invention is a kind of automaton that utilizes pneumatic system control to be applied to the pressure on the fabric presser feet axle substantially, and pressure is applied by spring system or other mechanical system usually, and this other mechanical system is usually also based on the pressure or the thrust of spring.
Compare with known solution, the principal advantages of automaton of the present invention be by reduce greatly inertia and by when the arbitrary speed and handled fabric all keep correct operating pressure consistently when being any thickness, thereby obviously improved the thrust rating of fabric presser feet.
Background technology
As everyone knows, common Sewing machines is the machine that two fabrics is carried out the machinery sewing.Industrial, will design according to the different structure feature and the different operating characteristics of Sewing machines.
For example, the use in sewing machine of known single needle or spininess is in making clothing, for example jeans, general slacks, Work Clothes, shirt etc.
These industrial sewing machines are according to its variety classes, and can be used to sew many kinds of fabrics, yoke, front and back crotch, stocking leg seam perhaps are used for other purposes.Sewing machines also can be useful on gentlier or heavy especially fabric, and at this moment they will increase the height of presser feet and the needle bar stroke of stretching out.
Usually, various Sewing machiness all are equipped with the fabric presser feet, and this fabric presser feet has vertical axis, and this vertical axis comprises the mechanical press device that is designed to absorb this presser feet vibration.This system had both needed to compensate because the thrust that different sewing velocity produces also needs the fabric of different-thickness is sewed.
Figure 1 shows that such usual pressure device.As everyone knows, this device comprises the pin A that is equipped with pin head B, and spring C inserts among this pin B.Slide in the special slide that pin A is machined on the axle D of presser feet E, the pin head self then keeps pressurized by pressure rod F.The height of this pressure rod can pass through screwed claw (screwing pawl) G to be regulated.
Obviously, by tightening pawl G, spring will produce bigger pressure to presser feet E.
If not whole Sewing machiness, in most of Sewing machiness, all adopted such architectural feature so, so that the vibration force of absorption on the fabric presser feet, but this structure is not have practical problem.The problem of this structure mainly is no matter all be difficult to control this pressure under what duty, and this is to run into the subject matter that is occurred under the situation of fabric of different-thickness when Sewing machines is sewed.
At this moment, the required accuracy of spring pressure mechanism incompatibility fabric.This is that spring mechanism can not apply constant compression force in the course of the work because well-known, on the contrary, when their operating distance reduces, produces increased pressure.
These all influence the quality and the sewing velocity of sewing.Sometimes speed must reduce greatly, and this all will be unfavorable for the cost of manufacturing time and final products.
Known solution to the problems described above has been arranged on market.In Chinese patent publication number CN 1204709, explained a kind of technology of these methods, this technology can adapt to the pressure of fabric pressure rod by a kind of piston of pneumatic mechanism, but this technology has still been used the method that this pneumatic system and a kind of spring mechanism are combined.By this method, not only can not guarantee high accuracy by the entire machine body that two mechanisms constitute, also form a complicated mechanical, have higher fracture frequency.
Summary of the invention
The objective of the invention is to imagine and invent a kind of device of automatic control fabric foot pressure, this device can overcome aforesaid drawbacks.In other words, all can both keep constant presser feet operating pressure also to avoid using traditional technology under the sewing states, for example, pressing spring mechanism or its connect with the pneumatic mechanism piston.
A main purpose according to the present invention imagine and the fabric pressing foot control system system of inventing no matter the thickness of fabric how, can both all keep the presser feet operating pressure constant under the sewing states.This makes that this machine can be with high sewing velocity work on any fabric.
As previously mentioned, the present invention is based on to be equipped with and adopts the control device of air-driven type system fully automatically.Such principal advantages is can guarantee make operating pressure keep constant to a certain operating pressure the presser feet initial adjustment.
According to the present invention, a kind of device that is used for automatically control by the fabric presser feet applied pressure on the industrial sewing machine preferably is provided, this device has a pneumatic system, described pneumatic system comprises the presser feet axle and at least one cylinder that are provided with connector, piston slides in this cylinder, it is characterized in that: described piston links to each other with direct clutch with the axle of fabric presser feet by special connector; An inner chamber of described cylinder links to each other with an atmospheric control by special pipeline, this atmospheric control comprises special pressure regulator, this pressure regulator is used for setting the pressure of described cylinder, described central chemical control system system sets up and sets various work options and parameter, so as under all thrust ratings that the axle of fabric presser feet produces by central chemical control system system keep-up pressure be provided with constant.
Description of drawings
By below with reference to the explanation of accompanying drawing to non-limiting examples, the further feature that the present invention may be better understood, in the accompanying drawing:
Fig. 1 is the schematic diagram that is used for determining by the general control system of known fabric presser feet applied pressure;
Fig. 2 is the general illustration of automatic control of the present invention by the device of the fabric presser feet applied pressure of industrial sewing machine or analog;
Fig. 3 is the detailed maps of air control unit.
The specific embodiment
With reference to the accompanying drawings, label 1 expression whole device of the present invention, it is used for controlling automatically the pressure of the fabric presser feet on the industrial sewing machine, and this industrial sewing machine is equipped with ratchet, roller or belt transfer system or other any similar transfer system.
Automaton 1 be installed in be equipped with fabric presser feet 3 the axle 2 above, this automaton 1 comprises cylinder 4 substantially, piston 5 slides in this cylinder 4.
As shown in Figure 2, at its outer ledge one cannelure is arranged with axle 2 pistons that link to each other 5 of presser feet by arm 6, this cannelure is suitable for holding elastic sealing ring or " O " type sealing ring 7, and the sealing ring has circular and (floating) formula shape of cross section that floats.
Sealing ring 7 is suitable for making the piston slip of " floating " in cylinder chamber inside; Promptly minimum and can not adhere to or " bonding " mode on cylinder liner is slided with frictional force.
The top of cylinder chamber links to each other with pipeline 8, and this pipeline 8 ends at atmospheric control 9.This control system has special pressure regulator 10.This design of Regulator becomes to control accurately the pressure of air loop.This control utilizes suitable decompression venting valve to carry out by pressure regulator 10.Working pressure adjuster 11 changes the transporting velocity of this valve.
If desired, can between cylinder 4 and pressure regulator 10, insert compensation arrangement 12.The less pressure of this device compensation before the valve work of pressure regulator changes.
Pressure regulator 10 links to each other with pneumatic circuit by pipeline 13 again, and this pneumatic circuit is supplied with the compressed air of aequum.
For this control system, a certain control air pressure can be set in the upper chambers of cylinder 4, this will make axle 2 thrusts that apply by fabric presser feet 3 under any circumstance all keep constant, and compensate owing to fabric thickness changes the thrust variation that the thrust that causes changes or other causes owing to sewing velocity.
Can be absorbed by compensated cavity 12 although little pressure changes, all actual change all must be by pressure regulator 10 with by being loaded on decompression and the pressure maintaining valve control in this pressure regulator 10 and keeping stable.
The rising presser feet also utilizes atmospheric control to realize when introducing and extract fabric out.This can realize changing suitably in the cylinder upper chamber by the pneumatic system applied pressure.
Certainly, whole system is controlled by computer control system, and this computer control system is determined and imported all different choice and running parameter.
Also has second outlet 14 in the bottom of cylinder.Such advantage is to link to each other with auxiliary pneumatic operated valve, and this auxiliary pneumatic operated valve is designed to auxiliary rising presser feet when introducing and extract fabric out.
Obviously, aforementioned automatic control system can be by reducing inertia and by being all to keep constant correct operating pressure under the situation of any thickness at any speed and handled fabric greatly, thereby improve the thrust rating of fabric presser feet.
Preceding method can also be with arm 6 as the direct connector between the axle of compensation arrangement and fabric presser feet.But this connector also can with suitable mechanical fastener or joint component is in parallel be realized.
Those of ordinary skills can also carry out various variations and modification to aforementioned non-limiting examples, and these methods all will be within the scope of the present invention, and scope of the present invention is limited by claim subsequently.
Claims (7)
1. be used for the device of automatically control by the fabric presser feet applied pressure on the industrial sewing machine preferably, this device has a pneumatic system, described pneumatic system comprises the presser feet axle and at least one cylinder (4) that are provided with connector, piston (5) slides in this cylinder, it is characterized in that: described piston (5) links to each other with direct clutch with the axle (2) of fabric presser feet (3) by special connector (6); An inner chamber of described cylinder (4) links to each other with an atmospheric control by special pipeline (8), this atmospheric control comprises special pressure regulator (10), this pressure regulator is used for setting the pressure of described cylinder (4), described central chemical control system system sets up and sets various work options and parameter, so as under all thrust ratings that the axle (2) of fabric presser feet (3) produces by central chemical control system system keep-up pressure be provided with constant.
2. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: described piston (5) links to each other with the axle (2) of presser feet by arm (6), this piston (5) has a cannelure at its outer ledge, this cannelure is designed to hold elastic sealing ring or " O " type sealing ring (7), and the sealing ring has circular and floating type cross section.
3. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: cylinder chamber links to each other with pipeline (8) at its top, and this pipeline ends at atmospheric control (9); This control system comprises special pressure regulator (10); The type of this adjuster is the pressure that is designed to control accurately air loop.
4. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: this control is realized by suitable decompression venting valve by pressure regulator (10); The transporting velocity of this valve can be passed through pressure regulator (11) and change.
5. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: insert an auxiliary compensation arrangement (12) between described cylinder (4) and described pressure regulator (10), the less pressure of this auxiliary compensation arrangement compensation before the valve work that makes pressure regulator changes.
6. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: second outlet (14) is installed in the bottom of cylinder (4), an auxiliary pneumatic operated valve is designed to link to each other with this second outlet (14), so that assist the rising presser feet when introducing and extract fabric out.
7. the device that is used for controlling automatically by fabric presser feet applied pressure according to claim 1, it is characterized in that: be implemented in connection between described compensation arrangement and the described fabric presser feet with arm (6), this connector also can be formed in parallel with suitable mechanical fastener or joint component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2000VR000060A IT1314415B1 (en) | 2000-06-23 | 2000-06-23 | DEVICE TO CONTROL PRESSURE OF THE PRESSER FEET FOR SEWING MACHINES OR SIMILAR. |
| ITVR2000A000060 | 2000-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1331357A CN1331357A (en) | 2002-01-16 |
| CN1201042C true CN1201042C (en) | 2005-05-11 |
Family
ID=11461855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01124304XA Expired - Lifetime CN1201042C (en) | 2000-06-23 | 2001-06-22 | Press device for controlling fabric presser bar on stitching machine |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20020023577A1 (en) |
| JP (2) | JP2002018167A (en) |
| KR (1) | KR100463468B1 (en) |
| CN (1) | CN1201042C (en) |
| DE (1) | DE10129690B4 (en) |
| ES (1) | ES2203288B1 (en) |
| IT (1) | IT1314415B1 (en) |
| MX (1) | MXPA01006539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952230A (en) * | 2019-12-23 | 2020-04-03 | 江苏爱护佳健康科技有限公司 | Automatic change duplex flush joint machine presser foot device |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4455240B2 (en) * | 2004-09-10 | 2010-04-21 | Ｊｕｋｉ株式会社 | sewing machine |
| DE102007052876A1 (en) * | 2007-11-07 | 2009-05-20 | Dürkopp Adler AG | sewing machine |
| DE102008016353A1 (en) * | 2008-03-29 | 2009-10-08 | Dürkopp Adler AG | sewing machine |
| JP5969202B2 (en) * | 2011-11-16 | 2016-08-17 | ペガサスミシン製造株式会社 | Sewing machine cloth cutting equipment |
| CN102556433B (en) * | 2012-01-16 | 2014-06-11 | 石家庄成功机电有限公司 | Dual-clamp card puncher with single cylinder and single claw |
| CN104294486B (en) * | 2014-09-30 | 2017-01-11 | 浙江理工大学 | Device and method for detecting pressure of presser foot of sewing machine |
| JP2018051147A (en) * | 2016-09-30 | 2018-04-05 | ブラザー工業株式会社 | Sewing machine and control method of sewing machine |
| CN108035080B (en) * | 2018-01-11 | 2020-02-18 | 朱繁荣 | Sewing machine cylinder needle seat |
| CN111424381B (en) * | 2019-01-10 | 2022-02-01 | 杰克缝纫机股份有限公司 | Pressure bar mechanism and sewing machine |
| CN109778438A (en) * | 2019-03-19 | 2019-05-21 | 张婷 | A kind of presser foot device and its sewing machine of application |
| CN112553792A (en) * | 2019-11-08 | 2021-03-26 | 徐州力达缝纫设备制造有限公司 | Presser foot mechanism of sewing machine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024826A (en) * | 1975-08-22 | 1977-05-24 | Blue Bell, Inc. | Tension attachment for sewing machines |
| DE3724786A1 (en) * | 1987-07-27 | 1989-02-16 | Pfaff Ind Masch | SEWING MACHINE WITH A UPPER TRANSPORT DEVICE |
| DE8807493U1 (en) * | 1988-06-09 | 1988-07-21 | Dürkoppwerke GmbH, 4800 Bielefeld | Sewing machine with a pressure-operated device for generating a variable pressing force acting on a fabric presser |
| GB8915254D0 (en) * | 1989-07-03 | 1989-08-23 | T & N Technology Ltd | Bearings |
| JP2660235B2 (en) * | 1989-12-11 | 1997-10-08 | ペガサスミシン製造株式会社 | Sewing machine presser presser |
| JPH04114693A (en) * | 1990-09-04 | 1992-04-15 | Juki Corp | Cloth pressing device of sewing machine |
| JPH04208192A (en) * | 1990-11-30 | 1992-07-29 | Juki Corp | Presser foot pressure adjusting device for sewing machine |
| JPH06269584A (en) * | 1993-03-22 | 1994-09-27 | Brother Ind Ltd | Sewing machine |
| JPH10216381A (en) * | 1997-02-06 | 1998-08-18 | Juki Corp | Cloth presser foot device of sewing machine |
| DE19728817C1 (en) * | 1997-07-05 | 1998-06-04 | Duerkopp Adler Ag | Sewing machine presser foot drive |
| JP2000051558A (en) * | 1998-08-04 | 2000-02-22 | Hirokatsu Nakano | Cloth presser bar for sewing machine utilizing action of fluid |
-
2000
- 2000-06-23 IT IT2000VR000060A patent/IT1314415B1/en active
-
2001
- 2001-06-18 US US09/883,527 patent/US20020023577A1/en not_active Abandoned
- 2001-06-21 ES ES200101440A patent/ES2203288B1/en not_active Expired - Fee Related
- 2001-06-21 JP JP2001188076A patent/JP2002018167A/en active Pending
- 2001-06-22 DE DE10129690A patent/DE10129690B4/en not_active Expired - Lifetime
- 2001-06-22 CN CNB01124304XA patent/CN1201042C/en not_active Expired - Lifetime
- 2001-06-23 KR KR10-2001-0035995A patent/KR100463468B1/en active IP Right Grant
- 2001-06-25 MX MXPA01006539A patent/MXPA01006539A/en unknown
-
2004
- 2004-08-03 JP JP2004227047A patent/JP2004305773A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952230A (en) * | 2019-12-23 | 2020-04-03 | 江苏爱护佳健康科技有限公司 | Automatic change duplex flush joint machine presser foot device |
| CN110952230B (en) * | 2019-12-23 | 2020-08-04 | 江苏爱护佳健康科技有限公司 | Automatic change duplex flush joint machine presser foot device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020000529A (en) | 2002-01-05 |
| ES2203288B1 (en) | 2005-04-01 |
| DE10129690B4 (en) | 2004-12-30 |
| CN1331357A (en) | 2002-01-16 |
| ITVR20000060A1 (en) | 2001-12-23 |
| DE10129690A1 (en) | 2002-01-03 |
| KR100463468B1 (en) | 2004-12-29 |
| US20020023577A1 (en) | 2002-02-28 |
| ES2203288A1 (en) | 2004-04-01 |
| ITVR20000060A0 (en) | 2000-06-23 |
| JP2004305773A (en) | 2004-11-04 |
| IT1314415B1 (en) | 2002-12-13 |
| JP2002018167A (en) | 2002-01-22 |
| MXPA01006539A (en) | 2004-12-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20050511 |
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| CX01 | Expiry of patent term |