CN104894758A - Automatic sewing machine presser foot strength regulating and controlling device - Google Patents
Automatic sewing machine presser foot strength regulating and controlling device Download PDFInfo
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- CN104894758A CN104894758A CN201510364453.7A CN201510364453A CN104894758A CN 104894758 A CN104894758 A CN 104894758A CN 201510364453 A CN201510364453 A CN 201510364453A CN 104894758 A CN104894758 A CN 104894758A
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- pressure regulation
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- rotating shaft
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Abstract
The invention provides an automatic sewing machine presser foot strength regulating and controlling device which comprises a machine head, a pressing rod, a presser foot, an operating panel, a pressure regulating motor controller, a pressure regulating motor, a pressure regulating guide rod, a cam and a pressure regulating spring arranged on the pressure regulating guide rod in a sleeving mode. The pressure regulating motor is connected with the pressure regulating motor controller, and the pressure regulating motor controller is connected with the operating panel. The pressure regulating motor is connected with the cam through a drive mechanism, a contact portion in contact with the peripheral face of the cam is arranged at the upper end of the pressure regulating guide rod, a flange portion located under the contact portion is further arranged on the pressure regulating guide rod, a guide hole is formed in the upper end of the pressing rod, the lower end of the pressure regulating guide rod is located in the guide rod, and the pressure regulating spring is located between the flange portion and the pressing rod. The automatic sewing machine presser foot strength regulating and controlling device sets presser foot strength through the operating panel, then increases or decreases the pressure on a fabric of the presser foot under the joint effects of the pressure regulating motor, the drive mechanism, the pressure regulating spring and the pressure regulating guide rod, accordingly achieve automatic presser foot strength regulation and is high in regulation accuracy and good in stability.
Description
Technical field
The present invention relates to a kind of Sewing machines, particularly relate to a kind of sewing-machine foot dynamics automatic adjusting control device.
Background technology
One or more sewing thread used by Sewing machines, and fabric is formed one or more stitchings, makes the machine that one or more layers fabric interweaves or unites by a seam.Sewing machines primarily of head, support, transmission mechanism and annex four part composition; Wherein, head is the major part of Sewing machines, comprises needle bar mechanism, hook line mechanism, thread take-up mechanism, feed mechanism, winding mechanism, feeding pressure mechanism and Luo Ya mechanism etc., the motion reasonable coordination of each mechanism, periodic duty, thus is sewed up by cloth.Cloth is mainly pressed on feed dog by presser feet by feeding pressure mechanism, to make cloth move when sewing, thus ensures that sewing machine needle falls the flatness of pin place cloth and stability.Sewing machines is when feeding, and presser feet is pressed on cloth; Sewing machines, when charging blowing, needs presser feet upwards to lift.In addition, for the cloth of different-thickness, presser feet also can be different to the pressure of cloth: when cloth is thinner, then presser feet dynamics is relatively little; When cloth is thickening, then to correspondingly strengthen presser feet dynamics, otherwise occur phenomenons such as being with motionless cloth, stitching unsightly possibly, therefore, for the cloth making different-thickness, all need to regulate presser feet dynamics.
At present, the adjustment of presser feet dynamics mainly adopts and regulates manually, it is regulated by the look nut be located at above sewing machine case, look nut has scale point out, but, although it has scale to point out, still higher to the technical requirement of operator, and still need to have come according to the experience of operator in actual use procedure, therefore very inconvenience in concrete use procedure, the degree of regulation of presser feet dynamics is not high yet, and stability in use is poor.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide that a kind of degree of regulation is high, the sewing-machine foot dynamics automatic adjusting control device of good stability.
For achieving the above object, the invention provides a kind of sewing-machine foot dynamics automatic adjusting control device, comprise head, compressor arm, be installed in the presser feet of compressor arm lower end and the guidance panel of Sewing machines, the upper end of described compressor arm is arranged in head, also comprise pressure regulation electric machine controller, the pressure regulation motor be installed on head, the pressure regulation guide rod being positioned at head and rotating cam and the pressure spring that is enclosed within pressure regulation guide rod, described pressure regulation motor is connected with pressure regulation electric machine controller, and described pressure regulation electric machine controller is connected with guidance panel; Described pressure regulation motor is connected with cam by transmission mechanism, the upper end of described pressure regulation guide rod is provided with the contact site that contacts with cam outer peripheral face and pressure regulation guide rod is also provided with one and is positioned at flange part below contact site, the upper end of described compressor arm offers a pilot hole, the lower end of described pressure regulation guide rod is arranged in pilot hole, and described pressure spring is between flange part and compressor arm.
Preferably, also comprise two motor fixing frames be oppositely arranged, described motor fixing frame comprises the gripper shoe and horizontally disposed installing plate that vertically arrange, and described installing plate is fixedly connected with head, and described pressure regulation motor to be positioned on installing plate and to be fixedly connected with gripper shoe.
Further, described transmission mechanism is a reduction gearing mechanism, comprise intermeshing first gear and the second gear, intermeshing 3rd gear and the 4th gear, first synchronizing wheel, second synchronizing wheel, conveyer belt, first rotating shaft, second rotating shaft and the 3rd rotating shaft, described first rotating shaft and the second rotating shaft are located in the gripper shoe of two motor fixing frames all rotationally, 3rd rotating shaft is located in head rotationally, described first gear is fixed on the output shaft of pressure regulation motor, described second gear and the 3rd gear are fixed in the first rotating shaft, described 4th gear and the first synchronizing wheel are fixed in the second rotating shaft, described first synchronizing wheel and the second synchronizing wheel setting up and down, and be connected by conveyer belt, described second synchronizing wheel and cam are fixed in the 3rd rotating shaft.
Preferably, described first synchronizing wheel and the second synchronizing wheel are the synchronous pulley being provided with the periphery flank of tooth, and the inner surface of described conveyer belt is inner toothed surface, and this inner toothed surface is meshed with the periphery flank of tooth of synchronous pulley.
Preferably, the outer surface of described contact site is a smooth hemisphere face.
Further, also comprise the Sewing machines master controller be connected with guidance panel, described Sewing machines master controller and pressure regulation electric machine controller are all fixedly located in an electric cabinet and Sewing machines master controller and pressure regulation electric machine controller are arranged side by side.
Further, also comprise the Sewing machines master controller be connected with guidance panel, described Sewing machines master controller and pressure regulation electric machine controller are integrated on one piece of circuit board and this circuit board is fixed in an electric cabinet.
As mentioned above, the sewing-machine foot dynamics automatic adjusting control device that the present invention relates to, has following beneficial effect:
The application arranges presser feet dynamics by guidance panel, the pressure making compressor arm downward by the acting in conjunction of pressure regulation motor, transmission mechanism, pressure spring and pressure regulation guide rod more afterwards strengthens or reduces, and then make presser feet strengthen the pressure of cloth or reduce, thus realize the automatic adjustment of presser feet dynamics, and degree of regulation is high, good stability, thus avoid the stitching that produces because operator's manual adjustments precision is not high or it is inaccurate to regulate unsightly, be with the phenomenons such as motionless cloth, substantially increase operating efficiency, ensure the quality of sewing finished product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is that in Fig. 3, A encloses enlarged drawing.
Fig. 5 is the structural representation of transmission mechanism in the present invention.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is the top view of Fig. 5.
Fig. 8 is the left view of Fig. 5.
Fig. 9 is catenation principle figure of the present invention.
Element numbers explanation
1 head
2 compressor arms
3 presser feets
4 pressure regulation motors
5 pressure regulation guide rods
501 contact sites
502 flange parts
6 cams
7 pressure springs
8 transmission mechanisms
801 first gears
802 second gears
803 the 3rd gears
804 the 4th gears
805 first synchronizing wheels
806 second synchronizing wheels
807 conveyer belts
808 first rotating shafts
809 second rotating shafts
810 the 3rd rotating shafts
9 motor fixing frames
901 gripper shoes
902 installing plates
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.
The present invention relates to a kind of sewing-machine foot dynamics automatic adjusting control device, as depicted in figs. 1 and 2, comprise head 1, compressor arm 2, be installed in the presser feet 3 of compressor arm 2 lower end and the guidance panel of Sewing machines, described guidance panel is installed on the outer surface of sewing machine case, and the upper end of described compressor arm 2 is arranged in head 1.Further, as shown in Fig. 1 to Fig. 5, Fig. 9, also comprise pressure regulation electric machine controller, the pressure regulation motor 4 be installed on head 1, the pressure regulation guide rod 5 being positioned at head 1 and rotating cam 6 and the pressure spring 7 that is enclosed within pressure regulation guide rod 5, described pressure regulation motor 4 is connected with pressure regulation electric machine controller, and described pressure regulation electric machine controller is connected with guidance panel; Described pressure regulation motor 4 is connected with cam 6 by transmission mechanism 8, the upper end of described pressure regulation guide rod 5 is provided with the contact site 501 that contacts with cam 6 outer peripheral face and pressure regulation guide rod 5 is also provided with one and is positioned at flange part 502 below contact site 501, the upper end of described compressor arm 2 offers a pilot hole vertically extended, the lower end of described pressure regulation guide rod 5 is arranged in pilot hole, and described pressure spring 7 is between flange part 502 and compressor arm 2.
Because Sewing machines inner space is very limited, and make the outward appearance of Sewing machines more attractive in appearance, in the application, described pressure regulation motor 4 is installed on the end face of head 1, described pressure regulation guide rod 5 and cam 6 are all vertically be located in head 1, thus its taking up room in Sewing machines inside can be reduced, overall structure is optimized fully.In the application, described pressure regulation motor 4 is with moving cam 6 to rotate by transmission mechanism 8, and when cam 6 is in different corners, it is not identical to the pressure of pressure spring 7 yet, therefore regulates the pressure of pressure spring 7 by the rotation of pressure regulation motor 4; When pressure spring 7 pressure is larger, the pressure of pressure spring 7 pairs of compressor arms 2 is also comparatively large, and compressor arm 2 and the downward dynamics of presser feet 3 can be impelled to increase, to increase the pressure of presser feet 3 pairs of clothes; When pressure spring 7 pressure is less, the pressure of pressure spring 7 pairs of compressor arms 2 is also less, and compressor arm 2 and the downward dynamics of presser feet 3 can be impelled to reduce, to reduce the pressure of presser feet 3 pairs of clothes.Micro-control unit MCU inside on described guidance panel is previously stored with conversion pressure table, for the force value of presser feet 3 being converted into the rotational angle of pressure regulation motor 4, the i.e. rotational angle of 1 grade of corresponding pressure regulation motor 4 of foot pressure, the rotational angle of the pressure regulation motor 4 that different foot pressures is corresponding different.Preferably, described guidance panel can arrange display screen, for showing the size of set foot pressure, so that operating personnel set foot pressure more exactly.
In above-described embodiment, described guidance panel is directly connected with pressure regulation electric machine controller by serial ports, and now, the concrete grammar being realized the adjustment of presser feet dynamics by this device is: 1, by guidance panel input presser feet pressure regulation instruction; 2, presser feet pressure regulation instruction is sent to pressure regulation electric machine controller by serial ports by guidance panel; 3, pressure regulation electric machine controller receives presser feet pressure regulation instruction by serial ports, and controls pressure regulation motor 4 and rotate corresponding angle; 4, pressure regulation motor 4 is with moving cam 6 to rotate corresponding angle by transmission mechanism 8, to regulate the pressure of pressure spring 7; 5, pressure spring 7 changes compressor arm 2 and the downward dynamics of presser feet 3, finally realizes the automatic adjustment of presser feet dynamics.So, in actual mechanical process, when sewing thickness changes, only the automatic adjustment that foot pressure value can realize presser feet dynamics need be set on guidance panel, do not need operative employee's manual rotation pressure regulating screw, it is simple to operate, stability is high, degree of regulation is high, thus the time decreased because operative employee's manual rotation pressure regulating screw spends, and also reduce the stitching that produces because operative employee's manual adjustments precision is not high or inaccurate unsightly, be with the phenomenons such as motionless cloth, finally substantially increase operating efficiency, reduce the operating experience requirement to operative employee, ensure that sewing efficiency and end product quality.
Preferably, see Fig. 1 and Fig. 8, also comprise two motor fixing frames be oppositely arranged 9, described motor fixing frame 9 comprises the gripper shoe 901 and horizontally disposed installing plate 902 that vertically arrange and motor fixing frame 9 is structure as a whole, described installing plate 902 is fixedly connected with head 1, and described pressure regulation motor 4 to be positioned on installing plate 902 and to be fixedly connected with gripper shoe 901 by multiple screw.
Further, described transmission mechanism 8 is a reduction gearing mechanism, as shown in Fig. 5 to Fig. 8, described transmission mechanism 8 comprises intermeshing first gear 801 and the second gear 802, intermeshing 3rd gear 803 and the 4th gear 804, first synchronizing wheel 805, second synchronizing wheel 806, conveyer belt 807, first rotating shaft 808, second rotating shaft 809 and the 3rd rotating shaft 810, described first rotating shaft 808 and the second rotating shaft 809 are located in the gripper shoe 901 of two motor fixing frames 9 all rotationally, 3rd rotating shaft 810 is located in head 1 rotationally, described first gear 801 is fixed on the output shaft of pressure regulation motor 4, described second gear 802 and the 3rd gear 803 are fixed in the first rotating shaft 808, described 4th gear 804 and the first synchronizing wheel 805 are fixed in the second rotating shaft 809, described first synchronizing wheel 805 and the second synchronizing wheel 806 setting up and down, and be connected by conveyer belt 807, described second synchronizing wheel 806 and cam 6 are fixed in the 3rd rotating shaft 810.Pressure regulation motor 4 rotates, and drives the first gear 801 and the second gear 802 to rotate, the second gear 802 and the 3rd gear 803 synchronous axial system, drives the 4th gear 804 to rotate; 4th gear 804 and the first synchronizing wheel 805 synchronous axial system, drives the second synchronizing wheel 806 synchronous axial system by conveyer belt 807, the synchronous axial system of resulting belt moving cam 6.Therefore, the transmission mechanism 8 in the application, except for except being with moving cam 6 and rotating, can also play the effect of deceleration.
Further, described first synchronizing wheel 805 and the second synchronizing wheel 806 are the synchronous pulley being provided with the periphery flank of tooth, the inner surface of described conveyer belt 807 is inner toothed surface, this inner toothed surface is meshed with the periphery flank of tooth of synchronous pulley, the frictional force between the first synchronizing wheel 805 and conveyer belt 807, between the second synchronizing wheel 806 and conveyer belt 807 is increased with this, prevent from skidding, thus ensure the accuracy of transmission.
Preferably, the outer surface of described contact site 501 is a smooth hemisphere face, and when the contact site 501 of pressure regulation guide rod 5 contacts with the outer peripheral face of cam 6, be point cantact between the two, frictional force is very little, thus extends the service life of this device.
Further, in the application, also comprise Sewing machines master controller, this Sewing machines master controller is also connected with guidance panel by serial ports, and described Sewing machines master controller is installed in electric cabinet, and this electric cabinet is installed in the afterbody of casing.Described pressure regulation electric machine controller two kinds of modes are installed; Mode one, pressure regulation electric machine controller and Sewing machines master controller are two pieces of circuit boards be arranged side by side, and Sewing machines master controller and pressure regulation electric machine controller are all fixedly located in electric cabinet, pressure regulation electric machine controller is connected with pressure regulation motor 4 by wiring, to realize the control of exchanging Medium-voltage Motor 4; Mode two, pressure regulation electric machine controller and Sewing machines master controller are integrated on one piece of circuit board and this circuit board is fixed in electric cabinet, and pressure regulation electric machine controller is connected with pressure regulation motor 4 by wiring, to realize the control of exchanging Medium-voltage Motor 4.In addition, the optional stepper motor of described pressure regulation motor 4, to improve the control accuracy of electric machine rotation angle, improves the accuracy and precision that presser feet dynamics regulates automatically.
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 (7)
1. a sewing-machine foot dynamics automatic adjusting control device, comprise head (1), compressor arm (2), be installed in the presser feet (3) of compressor arm (2) lower end, and the guidance panel of Sewing machines, the upper end of described compressor arm (2) is arranged in head (1), it is characterized in that: also comprise pressure regulation electric machine controller, be installed in the pressure regulation motor (4) on head (1), be positioned at pressure regulation guide rod (5) and the rotating cam (6) of head (1), and the pressure spring (7) be enclosed within pressure regulation guide rod (5), described pressure regulation motor (4) is connected with pressure regulation electric machine controller, described pressure regulation electric machine controller is connected with guidance panel, described pressure regulation motor (4) is connected with cam (6) by transmission mechanism (8), the upper end of described pressure regulation guide rod (5) is provided with the contact site (501) that contacts with cam (6) outer peripheral face and pressure regulation guide rod (5) is also provided with the flange part (502) that is positioned at contact site (501) below, the upper end of described compressor arm (2) offers a pilot hole, the lower end of described pressure regulation guide rod (5) is arranged in pilot hole, and described pressure spring (7) is positioned between flange part (502) and compressor arm (2).
2. sewing-machine foot dynamics automatic adjusting control device according to claim 1, it is characterized in that: also comprise two motor fixing frames be oppositely arranged (9), described motor fixing frame (9) comprises the gripper shoe (901) and horizontally disposed installing plate (902) that vertically arrange, described installing plate (902) is fixedly connected with head (1), and described pressure regulation motor (4) is positioned over installing plate (902) and goes up and be fixedly connected with gripper shoe (901).
3. sewing-machine foot dynamics automatic adjusting control device according to claim 2, it is characterized in that: described transmission mechanism (8) is a reduction gearing mechanism, comprise intermeshing first gear (801) and the second gear (802), intermeshing 3rd gear (803) and the 4th gear (804), first synchronizing wheel (805), second synchronizing wheel (806), conveyer belt (807), first rotating shaft (808), second rotating shaft (809) and the 3rd rotating shaft (810), described first rotating shaft (808) and the second rotating shaft (809) are located in the gripper shoe (901) of two motor fixing frames (9) all rotationally, 3rd rotating shaft (810) is located in head (1) rotationally, described first gear (801) is fixed on the output shaft of pressure regulation motor (4), described second gear (802) and the 3rd gear (803) are fixed in the first rotating shaft (808), described 4th gear (804) and the first synchronizing wheel (805) are fixed in the second rotating shaft (809), described first synchronizing wheel (805) and the second synchronizing wheel (806) setting up and down, and be connected by conveyer belt (807), described second synchronizing wheel (806) and cam (6) are fixed in the 3rd rotating shaft (810).
4. sewing-machine foot dynamics automatic adjusting control device according to claim 3, it is characterized in that: described first synchronizing wheel (805) and the second synchronizing wheel (806) are the synchronous pulley being provided with the periphery flank of tooth, the inner surface of described conveyer belt (807) is inner toothed surface, and this inner toothed surface is meshed with the periphery flank of tooth of synchronous pulley.
5. sewing-machine foot dynamics automatic adjusting control device according to claim 1, is characterized in that: the outer surface of described contact site (501) is a smooth hemisphere face.
6. sewing-machine foot dynamics automatic adjusting control device according to claim 1, it is characterized in that: also comprise the Sewing machines master controller be connected with guidance panel, described Sewing machines master controller and pressure regulation electric machine controller are all fixedly located in an electric cabinet and Sewing machines master controller and pressure regulation electric machine controller are arranged side by side.
7. sewing-machine foot dynamics automatic adjusting control device according to claim 1, it is characterized in that: also comprise the Sewing machines master controller be connected with guidance panel, described Sewing machines master controller and pressure regulation electric machine controller are integrated on one piece of circuit board and this circuit board is fixed in an electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364453.7A CN104894758B (en) | 2015-06-24 | 2015-06-24 | Automatic sewing machine presser foot strength regulating and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510364453.7A CN104894758B (en) | 2015-06-24 | 2015-06-24 | Automatic sewing machine presser foot strength regulating and controlling device |
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| CN104894758A true CN104894758A (en) | 2015-09-09 |
| CN104894758B CN104894758B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510364453.7A Active CN104894758B (en) | 2015-06-24 | 2015-06-24 | Automatic sewing machine presser foot strength regulating and controlling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322068A (en) * | 2018-11-27 | 2019-02-12 | 杰克缝纫机股份有限公司 | A kind of sewing-machine foot mechanism and sewing machine |
| CN109629125A (en) * | 2018-12-22 | 2019-04-16 | 杰克缝纫机股份有限公司 | Foot pressure and retainer inclination angle synchronous adjusting method based on overedger |
| CN111286874A (en) * | 2020-04-10 | 2020-06-16 | 杰克缝纫机股份有限公司 | Automatic formula presser foot pressure adjusting device and sewing machine |
| US11001951B2 (en) | 2018-04-09 | 2021-05-11 | Sigma Mattress Machinery (Zhejiang) Co., Ltd. | Pressure adjustment mechanism of sewing machine presser foot |
| WO2021238144A1 (en) * | 2020-05-29 | 2021-12-02 | 安徽杰羽制鞋机械科技有限公司 | Automatic presser foot lifting and adjustment mechanism of sewing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11001951B2 (en) | 2018-04-09 | 2021-05-11 | Sigma Mattress Machinery (Zhejiang) Co., Ltd. | Pressure adjustment mechanism of sewing machine presser foot |
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| CN109322068B (en) * | 2018-11-27 | 2021-04-27 | 杰克缝纫机股份有限公司 | Sewing machine presser foot mechanism and sewing machine |
| CN109629125A (en) * | 2018-12-22 | 2019-04-16 | 杰克缝纫机股份有限公司 | Foot pressure and retainer inclination angle synchronous adjusting method based on overedger |
| CN109629125B (en) * | 2018-12-22 | 2022-03-25 | 杰克科技股份有限公司 | Presser foot pressure and tooth rack inclination angle synchronous adjustment method based on overedger |
| CN111286874A (en) * | 2020-04-10 | 2020-06-16 | 杰克缝纫机股份有限公司 | Automatic formula presser foot pressure adjusting device and sewing machine |
| WO2021238144A1 (en) * | 2020-05-29 | 2021-12-02 | 安徽杰羽制鞋机械科技有限公司 | Automatic presser foot lifting and adjustment mechanism of sewing machine |
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|---|---|
| CN104894758B (en) | 2017-04-19 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |