CN105401344A - Modular middle presser foot device and sewing machine - Google Patents
Modular middle presser foot device and sewing machine Download PDFInfo
- Publication number
- CN105401344A CN105401344A CN201510990878.9A CN201510990878A CN105401344A CN 105401344 A CN105401344 A CN 105401344A CN 201510990878 A CN201510990878 A CN 201510990878A CN 105401344 A CN105401344 A CN 105401344A
- Authority
- CN
- China
- Prior art keywords
- foot device
- middle presser
- support
- transmission mechanism
- lever
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
Abstract
The invention provides a modular middle presser foot device and a sewing machine, which comprises a middle presser foot capable of moving up and down along with the up-down movement of a machine needle, a driving motor, a transmission mechanism and a support frame. The driving motor is connected with the middle presser foot via the transmission mechanism so as to drive the middle presser foot to move up and down. The driving motor and the transmission mechanism are arranged on the support frame. The support frame and a housing of the sewing machine are detachably connected. According to the invention, the driving motor, the transmission mechanism, the middle presser foot and the support frame of the middle presser foot device are integrated as an installation disassembly module that can be integrally installed on the sewing machine or integrally removed from the sewing machine. Therefore, the middle presser foot device is modular in structure, and convenient to install and disassemble. At the same time, the middle presser foot device is driven by the independently arranged driving motor. Therefore, the height and the stroke of the middle presser foot device can be freely and conveniently set. As a result, the middle presser foot device can be applied to both the thin material and the thick material at the same time. Meanwhile, the stitch seam of the device is more beautiful.
Description
Technical field
The present invention relates to a kind of garment sewing equipment, particularly relate to a kind of Modularized medium-voltage foot device and Sewing machines.
Background technology
When sewing, the hook line mechanism due to Sewing machines can not hook the wire loop of needlework, thus makes to form complete continuous stitching in linear slit, and this section of discontinuous stitching is called as bouncing pilotage.In order to realize the anti-bouncing pilotage function of Sewing machines, at present, general way is on Sewing machines, increase a set of middle foot device, and the middle presser feet in middle foot device moves up and down with eedle and moves up and down, and improves the stability made from this.But current middle foot device complex structure, part are numerous, manufacture maintenance cost is high, and dismantle and install quite loaded down with trivial details; Meanwhile, also there is following defect in it:
1, middle presser feet is driven by a whole set of parts by separate electrical motor or is driven by a whole set of parts by main shaft, and therefore, as long as eedle moves up and down, middle presser feet will inevitably and then move up and down; But, in the work of reality, sometimes middle presser feet is needed to coordinate eedle to move up and down, but sometimes do not need again middle presser feet to coordinate eedle to move up and down, therefore, when presser feet in not needing coordinates eedle to move up and down, because the dismounting of middle foot device is very loaded down with trivial details, therefore after the middle presser feet disassembling middle foot device lower end, other associated components cannot be removed, still be retained on Sewing machines, thus caused the problems such as the unworthy kinetic equation loss of motor, parts wear are serious, Sewing machines running noises is large.
2, after middle presser feet Traffic control system, in the process moved up and down (namely in sewing process), its stroke remains unchanged, but in uneven thickness due to sewing, therefore, in when making thin material, presser feet may press not thin material, cause thick material to be out of shape because middle foot pressure is excessive again when making thick material, thus cause stitching unsightly, the problem such as sewing performance is unstable.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of easy for removal and installation and Modularized medium-voltage foot device of presser feet stroke in being convenient to regulate in sewing process.
For achieving the above object, the invention provides a kind of Modularized medium-voltage foot device, comprise and to move up and down with eedle and presser feet in moving up and down, also comprise drive motors, transmission mechanism and bearing support, described drive motors to be connected with middle presser feet by transmission mechanism and presser feet moves up and down in driving, described drive motors and transmission mechanism are installed on bearing support, and described bearing support is used for and the shell of Sewing machines removably connects.
Preferably, described bearing support comprises motor mounting plate and support, and described drive motors is arranged on motor mounting plate, and described transmission mechanism is rack-mount.
Further, described transmission mechanism comprises shift fork, ball, swingable lever, connecting rod, the slide block that can move up and down and middle presser bar assembly, the output shaft of described drive motors is fixed in one end of shift fork, the other end of shift fork offers the chute extended along shift fork length direction, described ball is as rolling back and forth along the length direction of chute in chute, the two ends of described lever are hinged with one end of described ball, connecting rod respectively, the other end and the slide block of described connecting rod are hinged, and slide block is connected with middle presser feet by middle presser bar assembly.
Further, described support offers the gathering sill of downward-extension on, described slide block is provided with outstanding guide part, and described guide part is arranged in gathering sill and can moves up and down along gathering sill.
Preferably, described lever is provided with the swing pivot O1 being articulated with support, this swing pivot O1 is at the pin joint O2 of ball and lever, between connecting rod and the pin joint O3 of lever, and swing pivot O1 is greater than the distance of the pin joint O3 of swing pivot O1 distance connecting rod and lever apart from ball and the distance of the pin joint O2 of lever.
Further, described support is provided with fairlead portion, described middle presser bar assembly comprises guide post, contiguous block and compressor arm, the upper end of described guide post to be located in fairlead portion and to fix with slide block, described guide post is connected with compressor arm by contiguous block, and described middle presser feet is fixed on the lower end of compressor arm.
Preferably, described guide post is parallel with compressor arm and misplace and arrange.
Another object of the present invention be to provide a kind of can integral installation or in removing foot device and easy to operate, can also regulate in Sewing machines operation process in the Sewing machines of presser feet stroke.
For achieving the above object, the invention provides a kind of Sewing machines, comprise Modularized medium-voltage foot device as above, the bearing support in this Modularized medium-voltage foot device and the shell of Sewing machines removably connect.
Further, the shell of described Sewing machines comprises the casing and panel that removably connect, described bearing support comprises the motor mounting plate for installing drive motors and the support for installing transmission mechanism, and described motor mounting plate and casing removably connect, and support and panel removably connect.
Such scheme further preferably, described casing and panel, motor mounting plate and casing and support and panel are all removably connected by screw.
As mentioned above, the Modularized medium-voltage foot device that the present invention relates to and Sewing machines, have following beneficial effect:
The application the drive motors of foot device, transmission mechanism, middle presser feet and bearing support in forming are integrated into one can integral installation on Sewing machines or the entirety installing/dismounting module of removing from Sewing machines, thus make the structural module of middle foot device, be convenient to its installation and removal, thus be convenient to apolegamy and the installation of user; Simultaneously, in this in foot device, middle presser feet is controlled by an independent drive motors, therefore, the height of middle presser feet and stroke can freely set easily, thus make middle foot device be applicable to thin material and thick material simultaneously, effectively prevent bouncing pilotage, make sewing thread trace more attractive in appearance, and then improve sewing quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the connection diagram of ball in Fig. 2, lever and connecting rod three.
Element numbers explanation
1 eedle
Presser feet in 2
3 drive motors
4 motor mounting plates
41 horizontal plate parts
42 vertical plate portions
5 supports
51 gathering sills
52 fairlead portions
6 shift forks
61 chutes
7 balls
8 levers
9 connecting rods
10 slide blocks
101 guide parts
11 guide posts
12 contiguous blocks
13 compressor arms
14 panels
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used 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, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As depicted in figs. 1 and 2, the application provides a kind of Modularized medium-voltage foot device and is provided with the Sewing machines of this Modularized medium-voltage foot device, described Modularized medium-voltage foot device comprises and to move up and down with eedle 1 and presser feet 2, drive motors 3, transmission mechanism and bearing support in moving up and down, described drive motors 3 to be connected with middle presser feet 2 by transmission mechanism and presser feet 2 moves up and down in driving, and described drive motors 3 and transmission mechanism are installed on bearing support; When being loaded in Sewing machines by this Modularized medium-voltage foot device, then the bearing support in Modularized medium-voltage foot device and the shell of Sewing machines removably connect, thus realize removably connecting of whole Modularized medium-voltage foot device and Sewing machines shell.
In the application, the drive motors 3 of foot device in formation, transmission mechanism, bearing support and middle presser feet 2 are integrated into a module, make middle foot device modularized design, and by bearing support and Sewing machines shell removably connect realize the integral installation of Modularized medium-voltage foot device in Sewing machines or entirety remove from Sewing machines, thus be convenient to apolegamy and the installation of user, be conducive to user and freely match.Simultaneously, when in not needing, presser feet 2 coordinates eedle 1 to move up and down, easily middle foot device entirety can be removed from Sewing machines, therefore, can avoid in prior art because motor, other associated components cannot be removed and cause the phenomenons such as the unworthy kinetic equation loss of motor, Sewing machines running noises are large, thus play energy-conservation effect, the excessive wear of middle foot device can also be avoided, with the service life of foot device in extending.
In addition, in the application, go presser feet 2 in driving to move up and down by the drive motors 3 independent of Sewing machines mair motor, drive motors 3 is connected with motor driver, motor driver is connected with electronic control module again, Sewing machines is also provided with the guidance panel be connected with electronic control module.So, drive motors 3 and middle presser feet 2 action moment relative to eedle 1 freely can be set by guidance panel, also can set the pendulum angle of drive motors 3 easily, thus be convenient to the free setting of presser feet height and the stroke that moves up and down before sewing and in controlling in sewing, make middle foot device be applicable to the thin material of different-thickness and thick material simultaneously, therefore the adaptability of the application's fabric widely, and stitching is more attractive in appearance, and the stability of sewing is better.
Preferably, as depicted in figs. 1 and 2, described bearing support comprises motor mounting plate 4 and support 5, and described drive motors 3 is arranged on motor mounting plate 4, and described transmission mechanism is arranged on support 5; The shell of described Sewing machines comprises the casing and panel 14 that removably connect, described motor mounting plate 4 removably connects with casing, support 5 and panel 14 removably connect, and make the structural configuration of middle foot device more reasonable, can be installed to easily in current Sewing machines.More preferably, described motor mounting plate 4 comprises orthogonal horizontal plate part 41 and vertical plate portion 42, and described drive motors 3 is fixed in vertical plate portion 42 by multiple screw, and the output shaft of drive motors 3 is located in vertical plate portion 42 rotatably.In addition, in the present embodiment, the horizontal plate part 41 of described casing and panel 14, motor mounting plate 4 is all removably connected by screw with panel 14 with casing and support 5, and the screw be located in horizontal plate part 41 is from top to down penetrates, therefore, when Modularized medium-voltage foot device entirety is removed from Sewing machines, after unscrewing the screw be located in horizontal plate part 41, screw can be retained in horizontal plate part 41, can not initiatively drop from horizontal plate part 41 because of the effect of himself gravity.
Further, the application also provides a kind of structure simple, use the transmission mechanism of a small amount of part, as depicted in figs. 1 and 2, described transmission mechanism comprises shift fork 6, ball 7, swingable lever 8, connecting rod 9, the slide block 10 that can move up and down, and middle presser bar assembly, the output shaft of described drive motors 3 is fixed in the front end of shift fork 6, the rear end of shift fork 6 offers the chute 61 extended along shift fork 6 length direction, described ball 7 is as in chute 61, and can roll back and forth before and after the length direction of chute 61, front end and the ball 7 of described lever 8 are hinged, the upper end of rear end and connecting rod 9 is hinged, lower end and the slide block 10 of described connecting rod 9 are hinged, slide block 10 is connected with middle presser feet 2 by middle presser bar assembly.When eedle 1 moves downward, drive motors 3 rotates forward, drive the rear end of shift fork 6 upwards to swing, ball 7 drives the front end of lever 8 upwards to swing, then the upper end of the rear end drivening rod 9 of lever 8 is to lower swing, connecting rod 9 is with movable slider 10 to move down, thus is moved downward by presser feet 2 in middle presser bar Component driver; When eedle 1 moves upward, drive motors 3 reverses, drive the rear end of shift fork 6 to lower swing, ball 7 drives the front end of lever 8 to lower swing, then the upper end of the rear end drivening rod 9 of lever 8 upwards swings, connecting rod 9 is with movable slider 10 to move up, thus moved upward by presser feet 2 in middle presser bar Component driver, and then presser feet 2 moving up and down and move up and down with eedle 1 in realizing.Meanwhile, when above-mentioned transmission mechanism runs, the direction of motion of shift fork 6 and the direction of motion of middle presser feet 2 are contrary, thus mutual vibration source is offset, and then decrease the vibrations of machine, make user operation more comfortable.In foregoing description, described fore-and-aft direction refers in sewing process, the moving direction of sewing, and rear is to referring to the direction of Sewing machines towards operating personnel, and front is to referring to the direction of Sewing machines back to operating personnel.
Preferably, described ball 7 is substantially in cylindric, therefore the chute 61 of the outer circumference surface of ball 7 and shift fork 6 is linear contact lay, therefore, while guarantee ball 7 with shift fork 6 contact reliability, frictional force between the two can also be reduced, for the operation of drive motors 3 is laborsaving, reduce energy consumption.As shown in Figure 3, described lever 8 is provided with the swing pivot O1 being articulated with support 5, this swing pivot O1 is positioned at the pin joint O2 of ball 7 and lever 8, between the pin joint O3 of connecting rod 9 and lever 8, and swing pivot O1 is greater than the distance of the pin joint O3 of swing pivot O1 distance connecting rod 9 and lever 8 apart from ball 7 and the distance of the pin joint O2 of lever 8, that is, the arm of force that lever 8 is connected with ball 7 is one long-armed, the arm of force that lever 8 is connected with connecting rod 9 is a galianconism, therefore, just energy drive link 9 action of less active force can be used, labour-saving effect is played in operation for drive motors 3.
Further, in order to ensure the Stability and veracity that slide block 10 moves up and down, as shown in Figure 2, described support 5 offers the gathering sill 51 of downward-extension on, described slide block 10 is provided with outstanding guide part 101, and described guide part 101 is arranged in gathering sill 51 and can moves up and down along gathering sill 51.In order to the Stability and veracity that presser bar assembly in ensureing moves up and down, described support 5 is provided with fairlead portion 52, described middle presser bar assembly comprises guide post 11, contiguous block 12 and compressor arm 13, the upper end of described guide post 11 is fixedly connected with slide block 10 through behind fairlead portion 52, described guide post 11 is connected with compressor arm 13 by contiguous block 12, and described middle presser feet 2 is fixed on the lower end of compressor arm 13.
Preferably, described contiguous block 12 is provided with two installing holes be arranged side by side, the lower end of described guide post 11 and the upper end of compressor arm 13 to be located in respectively in these two installing holes and to fix with contiguous block 12, thus make guide post 11 parallel with compressor arm 13 and misplace to arrange, the structure of foot device in optimization.
In above-described embodiment, the upper end of described guide post 11 is all fixedly connected with by screw with middle presser feet 2 with the lower end of contiguous block 12, compressor arm 13 with the upper end of contiguous block 12, compressor arm 13 with the lower end of slide block 10, guide post 11; Described ball 7 is all hinged by axial screw with slide block 10 with support 5, connecting rod 9 with connecting rod 9, lever 8 with lever 8, lever 8.
In sum, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a Modularized medium-voltage foot device, comprise and to move up and down with eedle (1) and the middle presser feet (2) that moves up and down, it is characterized in that: also comprise drive motors (3), transmission mechanism and bearing support, described drive motors (3) to be connected with middle presser feet (2) by transmission mechanism and presser feet (2) moves up and down in driving, described drive motors (3) and transmission mechanism are installed on bearing support, and described bearing support is used for and the shell of Sewing machines removably connects.
2. Modularized medium-voltage foot device according to claim 1, it is characterized in that: described bearing support comprises motor mounting plate (4) and support (5), described drive motors (3) is arranged on motor mounting plate (4), and described transmission mechanism is arranged on support (5).
3. Modularized medium-voltage foot device according to claim 2, it is characterized in that: described transmission mechanism comprises shift fork (6), ball (7), swingable lever (8), connecting rod (9), the slide block (10) that can move up and down, and middle presser bar assembly, the output shaft of described drive motors (3) is fixed in one end of shift fork (6), the other end of shift fork (6) offers the chute (61) extended along shift fork (6) length direction, described ball (7) is as in chute (61), and can roll back and forth along the length direction of chute (61), the two ends of described lever (8) respectively with described ball (7), one end of connecting rod (9) is hinged, the other end and the slide block (10) of described connecting rod (9) are hinged, slide block (10) is connected with middle presser feet (2) by middle presser bar assembly.
4. Modularized medium-voltage foot device according to claim 3, it is characterized in that: the gathering sill (51) described support (5) offering downward-extension on, described slide block (10) is provided with outstanding guide part (101), and described guide part (101) is arranged in gathering sill (51) and can moves up and down along gathering sill (51).
5. Modularized medium-voltage foot device according to claim 3, it is characterized in that: described lever (8) is provided with the swing pivot O1 being articulated with support (5), this swing pivot O1 be positioned at ball (7) and lever (8) pin joint O2, between connecting rod (9) and the pin joint O3 of lever (8), and swing pivot O1 is greater than swing pivot O1 apart from the distance of connecting rod (9) with the pin joint O3 of lever (8) apart from ball (7) and the distance of the pin joint O2 of lever (8).
6. Modularized medium-voltage foot device according to claim 3, it is characterized in that: described support (5) is provided with fairlead portion (52), described middle presser bar assembly comprises guide post (11), contiguous block (12) and compressor arm (13), the upper end of described guide post (11) to be located in fairlead portion (52) and to fix with slide block (10), described guide post (11) is connected with compressor arm (13) by contiguous block (12), and described middle presser feet (2) is fixed on the lower end of compressor arm (13).
7. Modularized medium-voltage foot device according to claim 6, is characterized in that: described guide post (11) is parallel with compressor arm (13) and misplace and arrange.
8. a Sewing machines, is characterized in that: comprise the Modularized medium-voltage foot device as described in any one of claim 1-7, and the bearing support in this Modularized medium-voltage foot device and the shell of Sewing machines removably connect.
9. Sewing machines according to claim 8, it is characterized in that: the shell of described Sewing machines comprises the casing and panel (14) that removably connect, described bearing support comprises the motor mounting plate (4) for installing drive motors (3) and the support (5) for installing transmission mechanism, described motor mounting plate (4) and casing removably connect, and support (5) and panel (14) removably connect.
10. Sewing machines according to claim 9, is characterized in that: described casing and panel (14), motor mounting plate (4) are all removably connected by screw with panel (14) with casing and support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990878.9A CN105401344B (en) | 2015-12-24 | 2015-12-24 | A kind of Modularized medium-voltage foot device and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990878.9A CN105401344B (en) | 2015-12-24 | 2015-12-24 | A kind of Modularized medium-voltage foot device and sewing machine |
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| Publication Number | Publication Date |
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| CN105401344A true CN105401344A (en) | 2016-03-16 |
| CN105401344B CN105401344B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510990878.9A Active CN105401344B (en) | 2015-12-24 | 2015-12-24 | A kind of Modularized medium-voltage foot device and sewing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106637701A (en) * | 2017-03-06 | 2017-05-10 | 苏州沃瑞豪兹自动化设备有限公司 | Industrial sewing machine |
| CN106637709A (en) * | 2016-12-01 | 2017-05-10 | 上海金勺投资有限公司 | Middle presser foot mechanism and sewing machine |
| CN114561752A (en) * | 2022-03-22 | 2022-05-31 | 浙江众邦机电科技有限公司 | Control method for lifting presser foot of sewing machine and related device |
| CN115852594B (en) * | 2023-02-21 | 2023-08-18 | 南通昊至琼艳纺织有限公司 | Cloth deviation preventing device for fashion processing production |
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| CN106637709A (en) * | 2016-12-01 | 2017-05-10 | 上海金勺投资有限公司 | Middle presser foot mechanism and sewing machine |
| CN106637701A (en) * | 2017-03-06 | 2017-05-10 | 苏州沃瑞豪兹自动化设备有限公司 | Industrial sewing machine |
| CN114561752A (en) * | 2022-03-22 | 2022-05-31 | 浙江众邦机电科技有限公司 | Control method for lifting presser foot of sewing machine and related device |
| CN114561752B (en) * | 2022-03-22 | 2023-03-10 | 浙江众邦机电科技有限公司 | Control method for lifting presser foot of sewing machine and related device |
| CN115852594B (en) * | 2023-02-21 | 2023-08-18 | 南通昊至琼艳纺织有限公司 | Cloth deviation preventing device for fashion processing production |
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| Publication number | Publication date |
|---|---|
| CN105401344B (en) | 2018-12-14 |
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