CN1331357A - 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
- CN1331357A CN1331357A CN01124304A CN01124304A CN1331357A CN 1331357 A CN1331357 A CN 1331357A CN 01124304 A CN01124304 A CN 01124304A CN 01124304 A CN01124304 A CN 01124304A CN 1331357 A CN1331357 A CN 1331357A
- Authority
- CN
- China
- Prior art keywords
- presser feet
- pressure
- control
- fabric
- cylinder
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 44
- 238000009958 sewing Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method 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
- 238000003825 pressing Methods 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
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.
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.
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 under the sewing state.
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, above-mentioned purpose and advantage are by controlling automatically on the Sewing machines, especially the device of the pressure of the fabric presser feet on the industrial sewing machine is realized, this device is characterised in that: it has adopted the pneumatic system that comprises at least one cylinder, one piston slides in this at least one cylinder, and this piston links to each other with fabric presser feet axle by special connector; The inner chamber of described cylinder links to each other with an atmospheric control by suitable pipeline, and this atmospheric control comprises special pressure regulator, and this pressure regulator is equipped with the pressure maintaining valve or the analog of the variable setting of energy.
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.
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.
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.
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 especially, this device is characterised in that: it has adopted the pneumatic system that comprises at least one cylinder (4), one piston (5) slides in this at least one cylinder, and this piston links to each other with the axle (2) of fabric presser feet (3) by special connector (6); The inner chamber of described cylinder (4) links to each other with an atmospheric control by special pipeline (8), and this atmospheric control comprises special pressure regulator (10), and this pressure regulator is equipped with the pressure maintaining valve or the analog of the variable setting of energy.
2. be used for control automatically by the device of fabric presser feet applied pressure according to aforementioned claim is described, 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. according to the described device that is used for controlling automatically by fabric presser feet applied pressure of aforementioned claim, 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. according to the described device that is used for controlling automatically by fabric presser feet applied pressure of aforementioned claim, 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. be used for control automatically by the device of fabric presser feet applied pressure according to aforementioned claim is described, 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. be used for control automatically by the device of fabric presser feet applied pressure according to aforementioned claim is described, 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. be used for control automatically by the device of fabric presser feet applied pressure according to aforementioned claim is described, 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 |
|---|---|---|---|
| ITVR2000A000060 | 2000-06-23 | ||
| IT2000VR000060A IT1314415B1 (en) | 2000-06-23 | 2000-06-23 | DEVICE TO CONTROL PRESSURE OF THE PRESSER FEET FOR SEWING MACHINES OR SIMILAR. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1331357A true CN1331357A (en) | 2002-01-16 |
| CN1201042C 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746368B (en) * | 2004-09-10 | 2011-04-20 | 重机公司 | Sewing machine |
| CN101429710B (en) * | 2007-11-07 | 2012-11-21 | 杜尔克普-阿德勒股份公司 | Sewing machine |
| CN104294486A (en) * | 2014-09-30 | 2015-01-21 | 浙江理工大学 | Device and method for detecting pressure of presser foot of sewing machine |
| CN107881658A (en) * | 2016-09-30 | 2018-04-06 | 兄弟工业株式会社 | The control method of sewing machine and sewing machine |
| CN108035080A (en) * | 2018-01-11 | 2018-05-15 | 朱繁荣 | A kind of sewing machine cylinder needle stand |
| CN111424381A (en) * | 2019-01-10 | 2020-07-17 | 杰克缝纫机股份有限公司 | Pressure bar mechanism and sewing machine |
| 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 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109778438A (en) * | 2019-03-19 | 2019-05-21 | 张婷 | A kind of presser foot device and its sewing machine of application |
| 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 |
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 (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746368B (en) * | 2004-09-10 | 2011-04-20 | 重机公司 | Sewing machine |
| CN101429710B (en) * | 2007-11-07 | 2012-11-21 | 杜尔克普-阿德勒股份公司 | Sewing machine |
| CN104294486A (en) * | 2014-09-30 | 2015-01-21 | 浙江理工大学 | Device and method for detecting pressure of presser foot of sewing machine |
| CN107881658A (en) * | 2016-09-30 | 2018-04-06 | 兄弟工业株式会社 | The control method of sewing machine and sewing machine |
| CN107881658B (en) * | 2016-09-30 | 2020-04-14 | 兄弟工业株式会社 | Sewing machine and control method of sewing machine |
| CN108035080A (en) * | 2018-01-11 | 2018-05-15 | 朱繁荣 | A kind of sewing machine cylinder needle stand |
| CN111424381A (en) * | 2019-01-10 | 2020-07-17 | 杰克缝纫机股份有限公司 | Pressure bar mechanism and sewing machine |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004305773A (en) | 2004-11-04 |
| ES2203288A1 (en) | 2004-04-01 |
| ITVR20000060A0 (en) | 2000-06-23 |
| ES2203288B1 (en) | 2005-04-01 |
| ITVR20000060A1 (en) | 2001-12-23 |
| US20020023577A1 (en) | 2002-02-28 |
| DE10129690B4 (en) | 2004-12-30 |
| KR20020000529A (en) | 2002-01-05 |
| CN1201042C (en) | 2005-05-11 |
| IT1314415B1 (en) | 2002-12-13 |
| MXPA01006539A (en) | 2004-12-03 |
| DE10129690A1 (en) | 2002-01-03 |
| JP2002018167A (en) | 2002-01-22 |
| KR100463468B1 (en) | 2004-12-29 |
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Legal Events
| 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20050511 |