CN110952233A - Simple adjusting device of thread take-up mechanism of industrial sewing machine - Google Patents

Simple adjusting device of thread take-up mechanism of industrial sewing machine Download PDF

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Publication number
CN110952233A
CN110952233A CN201911270618.9A CN201911270618A CN110952233A CN 110952233 A CN110952233 A CN 110952233A CN 201911270618 A CN201911270618 A CN 201911270618A CN 110952233 A CN110952233 A CN 110952233A
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CN
China
Prior art keywords
sewing machine
thread take
adjusting device
eccentric wheel
cutting ferrule
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Granted
Application number
CN201911270618.9A
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Chinese (zh)
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CN110952233B (en
Inventor
柯志江
赵土钦
罗志雄
何崇希
谢宇
尹玲
武静
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Dongguan University of Technology
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Dongguan University of Technology
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Priority to CN201911270618.9A priority Critical patent/CN110952233B/en
Publication of CN110952233A publication Critical patent/CN110952233A/en
Application granted granted Critical
Publication of CN110952233B publication Critical patent/CN110952233B/en
Expired - Fee Related legal-status Critical Current
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    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B49/00Take-up devices, e.g. levers, for the needle thread

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The invention discloses a simple adjusting device of a thread take-up mechanism of an industrial sewing machine, which relates to the technical field of thread take-up mechanisms of sewing machines, in particular to a support frame and an adjusting mechanism, wherein a support plate is fixed at the inner side of the support frame, the adjusting mechanism penetrates through a groove of a circumferential limiting groove and consists of a bearing, an eccentric wheel shaft, a clamping sleeve, a reset spring, a driving shaft and a knob, the bearing is sleeved outside the eccentric wheel shaft, an eccentric wheel boss is fixed at one end of the eccentric wheel shaft, the clamping sleeve is connected with the other end of the eccentric wheel shaft through a screw, the driving shaft is inserted at the tail end of the clamping sleeve, the reset springs are arranged between the clamping sleeve and the driving shaft as well as between the driving shaft and the knob, the simple adjusting device of the thread take-up mechanism of the industrial sewing machine realizes the change of the position of a thread take-up lever rotating, finally, the adjustment of the thread take-up amount of the industrial sewing machine is realized.

Description

Simple adjusting device of thread take-up mechanism of industrial sewing machine
Technical Field
The invention relates to the technical field of thread take-up mechanisms of sewing machines, in particular to a simple adjusting device of a thread take-up mechanism of an industrial sewing machine.
Background
When the sewing machine is used for sewing, in the process of forming a stitch, a mechanism playing roles of conveying, recovering a needle thread and tightening the stitch is called a thread taking-up mechanism, the thread taking-up mechanism plays a very important role in the whole sewing process, and the quality of the thread taking-up mechanism directly influences the sewing quality and the sewing quality of the sewing machine, wherein the thread taking-up mechanism comprises a cam thread taking-up mechanism, a connecting rod thread taking-up mechanism, a sliding rod thread taking-up mechanism, a rotary thread taking-up mechanism and a needle rod thread taking-up mechanism.
The thread take-up amount and the thread supply amount of the existing connecting rod thread take-up mechanism are fixed values, stitches sewn out of different fabrics cannot be perfect for the same sewing machine, and the traditional thread take-up mechanism cannot meet the requirements of manufacturers in the modern society that people have increasingly personalized requirements on clothes, short timeliness and quick updating, so that the simple adjusting device of the thread take-up mechanism of the industrial sewing machine is provided for meeting the requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a simple adjusting device of a thread take-up mechanism of an industrial sewing machine, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a simple and easy adjusting device of industrial sewing machine thread take-up mechanism, includes support frame and adjustment mechanism, the inboard of support frame is fixed with the backup pad, and the middle inside level of backup pad runs through there is the spacing recess of circumference, the inslot of the spacing recess of circumference has run through adjustment mechanism, adjustment mechanism comprises bearing, eccentric shaft, cutting ferrule, reset spring, drive shaft and knob, the outside cover of eccentric shaft is equipped with the bearing, and the bearing settles in the spacing recess of circumference, the one end of eccentric shaft is fixed with the eccentric wheel boss, and the other end screwed connection of eccentric shaft has the cutting ferrule, the end of cutting ferrule is pegged graft and is had the drive shaft, and the end of drive shaft installs the knob, all be provided with reset spring between cutting ferrule and the drive shaft, between drive shaft and the knob.
Optionally, the cutting sleeve consists of a cutting sleeve bottom plate, a link mechanism, a cutting sleeve piston and a cutting sleeve outer cylinder, and the cutting sleeve bottom plate, the link mechanism and the cutting sleeve piston are sequentially arranged inside the cutting sleeve outer cylinder.
Optionally, the link mechanism is respectively disposed at two sides between the ferrule base plate and the ferrule piston, and the ferrule base plate and the link mechanism, and the ferrule piston and the link mechanism are hinged to each other.
Optionally, a connecting spring is connected between the link mechanisms, and the link mechanisms form an elastic structure through the connecting spring.
Optionally, both sides of the cylinder wall of the cutting sleeve outer cylinder are provided with slotted holes in a penetrating manner, the link mechanism is composed of a fixed rod and a movable rod, the thick end of the fixed rod penetrates through the slotted holes, both sides of the thin end of the fixed rod are connected with the movable rod in a buckling manner, and the movable rod is hinged to the cutting sleeve bottom plate and the cutting sleeve piston respectively.
Optionally, a telescopic structure is formed between the cutting sleeve bottom plate and the cutting sleeve piston through a connecting rod mechanism, the cutting sleeve bottom plate and the cutting sleeve piston are parallel to each other, and the cutting sleeve bottom plate and the cutting sleeve piston are matched with the inner wall of the cutting sleeve outer cylinder.
Optionally, guide rail grooves are formed in two sides of the outer wall of one end, inserted into the cutting sleeve outer barrel, of the driving shaft, sliding block bosses are fixed on two sides of the inner wall of the opening of the cutting sleeve outer barrel, the guide rail grooves correspond to the sliding block bosses in position, and the guide rail grooves and the sliding block bosses are matched in size to form a sliding structure.
Optionally, both sides of the inner wall of the knob are fixed with limiting strips, a positioning groove is arranged outside a shaft shoulder of the driving shaft matched with the knob, and the positioning groove is matched with the limiting strips in size.
Optionally, the centers of the two ends of the driving shaft are provided with spring limiting grooves, and the positions of the spring limiting grooves and the positions of the return springs correspond to each other.
The invention provides a simple adjusting device of a thread take-up mechanism of an industrial sewing machine, which has the following beneficial effects:
1. this simple and easy adjusting device of industrial sewing machine thread take-up mechanism realizes the change of the relative frame position on the take-up lever revolute pair through eccentric mechanism to adjust the size of swing amplitude, finally realize the regulation to the industrial sewing machine thread take-up volume, and simultaneously, this simple and easy adjusting device of industrial sewing machine thread take-up mechanism aims at reducing the utilization in radial space, reach the maximum utilization in space and reach the purpose simultaneously, this simple and easy adjusting device of industrial sewing machine thread take-up mechanism can satisfy the requirement of different cloth to the thread take-up volume size, be convenient for form the stitch seam of high quality, thereby improve the quality of cloth.
2. This simple and easy adjusting device of industrial sewing machine take-up mechanism through design spacing recess of circumference on the support frame for adjusting mechanism's circumference is fixed, consequently, has realized adjusting mechanism's hierarchical regulation, and wherein circumference is equipped with 20 recesses, has realized ten grades of regulations, is favorable to the simplicity of many industrial sewing machines when handling the same cloth.
3. According to the simple adjusting device of the thread take-up mechanism of the industrial sewing machine, the eccentric wheel shaft is hinged with the thread take-up mechanism through the eccentric wheel boss, so that the thread take-up rod and the support frame are relatively fixed, the end face of the eccentric wheel shaft is in contact with the support plate to limit one side of the eccentric wheel shaft to deviate, the bearing is arranged on the eccentric wheel shaft, the eccentric wheel shaft is supported to rotate through the bearing, and a small amount of axial resistance is provided to prevent the left and right movement.
4. This simple and easy adjusting device of industrial sewing machine thread take-up mechanism, not only start power transmission effect to the eccentric shaft through the cutting ferrule, still realize the state switching that working form and frame are fixed, cutting ferrule bottom plate and cutting ferrule piston constitute a pair of parallel activity face, rocker slider mechanism is constituteed with the movable rod wherein to dead lever, remove through the movable rod and control and let the dead lever pass through the slotted hole of cutting ferrule urceolus and realize the removal from top to bottom, simultaneously, arrange two pairs of rocker slider mechanisms symmetrically and install coupling spring between the two, when two movable rods were close to the removal mutually, the dead lever will be retracted in the slotted hole, let whole cutting ferrule relieve with the circumference restraint of frame.
5. This simple and easy adjusting device of industrial sewing machine thread take-up mechanism, the cutting ferrule piston passes through the one end face contact of reset spring with the drive shaft, and the drive shaft cooperates with the cutting ferrule urceolus, can realize about like this with the transmission of upwards power of circumference, and drive shaft and the knob that has slider guide rail structure constitute front end input pivot, the knob cooperates with the shaft shoulder of drive shaft to at the drive shaft end with the inboard reset spring of knob installation, can accomplish the transmission of upwards power of axial.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the supporting frame of the present invention;
FIG. 3 is a schematic view of an explosive structure of the adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the overall structure of the adjusting mechanism of the present invention;
fig. 5 is a schematic diagram of an explosive structure of the ferrule of the present invention;
fig. 6 is a schematic view of the overall structure of the ferrule of the present invention;
fig. 7 is a schematic view of the internal structure of the ferrule of the present invention;
FIG. 8 is a schematic view of a ferrule piston configuration of the present invention;
fig. 9 is a schematic view of the knob structure of the present invention.
In the figure: 1. a support frame; 2. a support plate; 3. a circumferential limiting groove; 4. a bearing; 5. an adjustment mechanism; 6. an eccentric wheel shaft; 7. eccentric wheel boss; 8. a card sleeve; 9. a card sleeve bottom plate; 10. a link mechanism; 11. fixing the rod; 12. a movable rod; 13. a connecting spring; 14. a ferrule piston; 15. cutting and sleeving the outer barrel; 16. a slot; 17. a slider boss; 18. a return spring; 19. a drive shaft; 1901. a guide rail groove; 1902. a positioning groove; 1903. a spring limit groove; 20. a knob; 2001. and (5) a limiting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a simple and easy adjusting device of industrial sewing machine thread take-up mechanism, including support frame 1 and adjustment mechanism 5, the inboard of support frame 1 is fixed with backup pad 2, and the middle inside level of backup pad 2 runs through there is spacing recess 3 of circumference, the inslot of spacing recess 3 of circumference has run through adjustment mechanism 5, adjustment mechanism 5 is by bearing 4, eccentric shaft 6, cutting ferrule 8, reset spring 18, drive shaft 19 and knob 20 are constituteed, the outside cover of eccentric shaft 6 is equipped with bearing 4, and bearing 4 settles in spacing recess 3 of circumference, the one end of eccentric shaft 6 is fixed with eccentric wheel boss 7, and the other end screwed connection of eccentric shaft 6 has cutting ferrule 8, the end of cutting ferrule 8 is pegged graft and is had drive shaft 19, and knob 20 is installed to the end of drive shaft 19, between cutting ferrule 8 and the drive shaft 19, all be provided with reset spring 18 between drive shaft 19 and the.
The circumferential limiting groove 3 is designed on the support frame 1 and used for circumferential fixing of the adjusting mechanism 5, therefore, hierarchical adjustment of the adjusting mechanism 5 is achieved, wherein 20 grooves are formed in the circumferential direction, ten-stage adjustment is achieved, simplicity and convenience of multiple industrial sewing machines in processing the same cloth are facilitated, the eccentric wheel boss 7 is used for being hinged with the thread take-up mechanism, relative fixing of the thread take-up rod and the support frame 1 is achieved, the end face of the eccentric wheel shaft 6 is in contact with the support plate 2, one side of the eccentric wheel shaft 6 is limited to deviate, the bearing 4 is installed on the eccentric wheel shaft 6, the eccentric wheel shaft 6 is supported to rotate through the bearing 4, a small amount of axial resistance is provided to prevent left and right movement, the bearing 4 is installed on the eccentric wheel shaft 6, the eccentric wheel shaft 6 is matched with the support frame 1, radial fixing of the eccentric wheel shaft 6.
The cutting sleeve 8 consists of a cutting sleeve bottom plate 9, a link mechanism 10, a cutting sleeve piston 14 and a cutting sleeve outer cylinder 15, the cutting sleeve bottom plate 9, the link mechanism 10 and the cutting sleeve piston 14 are sequentially arranged inside the cutting sleeve outer cylinder 15, the link mechanism 10 is respectively arranged at two sides between the cutting sleeve bottom plate 9 and the cutting sleeve piston 14, the cutting sleeve bottom plate 9 and the link mechanism 10, the cutting sleeve piston 14 and the link mechanism 10 are hinged, a connecting spring 13 is connected between the link mechanisms 10, the link mechanisms 10 form an elastic structure through the connecting spring 13, slot holes 16 are respectively penetrated through two sides of the cylinder wall of the cutting sleeve outer cylinder 15, the link mechanism 10 consists of a fixed rod 11 and a movable rod 12, the thick end part of the fixed rod 11 passes through the slot holes 16, two sides of the thin end part of the fixed rod 11 are respectively connected with the movable rod 12 in a buckling manner, and the movable rod 12 is respectively, a telescopic structure is formed between the cutting sleeve bottom plate 9 and the cutting sleeve piston 14 through a connecting rod mechanism 10, the cutting sleeve bottom plate 9 and the cutting sleeve piston 14 are parallel to each other, and the cutting sleeve bottom plate 9 and the cutting sleeve piston 14 are matched with the inner wall of the cutting sleeve outer cylinder 15.
A cutting sleeve bottom plate 9 which can be fixedly connected with the eccentric wheel shaft 6 and is connected with the movable rod 12, a cutting sleeve piston 14 which is used for being fixed with the circumferential direction of the frame, and a cutting sleeve outer cylinder 15 which is used for transmitting power, thereby forming the integral structure of the cutting sleeve 8, the cutting sleeve 8 not only has the function of transmitting power with the eccentric wheel shaft 6, but also realizes the switching of the working state and the fixed state of the frame, the cutting sleeve bottom plate 9 and the cutting sleeve piston 14 form a pair of parallel movable surfaces, wherein the fixed rod 11 and the movable rod 12 form a rocker-slider mechanism, namely the link mechanism 10, the fixed rod 11 moves up and down through the slotted hole 16 of the cutting sleeve outer cylinder 15 by the left and right movement of the movable rod 12, and simultaneously, two pairs of rocker-slider mechanisms are symmetrically arranged and a connecting spring 13 is mounted between the linkage mechanisms 10, i.e. when the two movable levers 12 are moved closer together, the fixed lever 11 will retract into the slot 16, releasing the entire ferrule 8 from circumferential restraint with the housing.
The both sides of the outer wall of one end of the cutting sleeve outer cylinder 15, into which the driving shaft 19 is inserted, are provided with guide rail grooves 1901, the slider bosses 17 are fixed on both sides of the inner wall of the opening of the cutting sleeve outer cylinder 15, into which the driving shaft 19 is inserted, the guide rail grooves 1901 correspond to the slider bosses 17 in position, and the guide rail grooves 1901 and the slider bosses 17 are matched in size to form a sliding structure, the cutting sleeve piston 14 is in end face contact with one end of the driving shaft 19 through a return spring 18, the driving shaft 19 is matched with the cutting sleeve outer cylinder 15, so that the transmission.
The two sides of the inner wall of the knob 20 are both fixed with limit strips 2001, a positioning groove 1902 is arranged outside a shaft shoulder of the drive shaft 19 matched into the knob 20, the positioning groove 1902 is matched with the limit strips 2001 in size, the drive shaft 19 with a slide block guide rail structure (namely the limit strips 2001 and the positioning grooves 1902) and the knob 20 form a front end input pivot, the knob 20 is matched with the shaft shoulder of the drive shaft 19, and a return spring 18 is arranged at the tail end of the drive shaft 19 and the inner side of the knob 20, so that the transmission of axial upward force can be completed.
The centers of two ends of the driving shaft 19 are provided with spring limiting grooves 1903, the positions of the spring limiting grooves 1903 and the return spring 18 correspond to each other, and the spring limiting grooves 1903 are used for determining the position of the return spring 18 and enabling the return spring 18 to be convenient to mount and assemble.
In conclusion, when the simple adjusting device of the thread take-up mechanism of the industrial sewing machine is used, the cutting sleeve bottom plate 9 is connected and fixed with the eccentric wheel shaft 6 through screws, the movable rod 12 is hinged with the cutting sleeve bottom plate 9, the other end is hinged with the fixed rod 11, the movable rod 12 is hinged with the cutting sleeve piston 14 and the fixed rod 11 respectively in a bilateral symmetry manner, so that a rocker slider mechanism is formed, a pair of fixed rods 11 are arranged in an up-and-down symmetry manner, the fixed rods 11 on two sides are moved up and down through the left and right movement of the cutting sleeve piston 14 in the cutting sleeve outer cylinder 15, a connecting spring 13 is arranged between the fixed rods 11, so that the cutting sleeve 8 is flexibly fixed with the support frame 1 in the circumferential direction, the reset spring 18 is clamped on the limit boss on the cutting sleeve piston 14, the other end of the reset spring 18 is in surface contact with one end face of the drive, when the driving shaft 19 rotates, the clamping sleeve 8 generates torque through the sliding block boss 17, so that the whole eccentric wheel shaft 6 is driven to rotate, and the thread take-up amount of the thread take-up lever is adjusted.
When the industrial sewing machine is in a working state, namely when the thread take-up mechanism is in a moving state, the adjusting mechanism 5 is in a fixed state, namely cannot move relative to the support frame 1, at the moment, the eccentric wheel shaft 6 is stressed by the thread take-up mechanism, the supporting plate 2 is in contact fit with the eccentric wheel shaft 6, the eccentric wheel shaft 6 is prevented from moving rightwards, the axial restraint of the eccentric wheel shaft 6 is realized, the radial restraint is realized through the bearing 4 on the eccentric wheel shaft 6, the clamping sleeve 8 is in a non-working state of the adjusting mechanism 5, the fixing rod 11 is outwards moved by the elastic force of the connecting spring 13 and is matched with the circumferential limiting groove 3 on the supporting plate 2, the circumferential restraint of the clamping sleeve 8 is realized, the clamping sleeve 8 is connected with the eccentric wheel shaft 6 through a screw, the eccentric wheel shaft 6 is restrained in three directions of circumferential direction, axial direction and radial direction, two ends of the driving shaft 19 are, two end surfaces of the driving shaft 19 are contacted with the return spring 18, the tail end is contacted with the knob 20, and the shaft shoulder of the knob 20 is arranged in the shell, so that the shaft shoulder of the knob 20 is pressed against the shell wall through a small amount of spring force, and the axial, circumferential and radial movement of the knob 20 is prevented, therefore, when the sewing machine is in a normal working state, the fixed constraint of the take-up lever rotating pair relative to the support frame 1 is realized for the adjusting mechanism 5.
When the sewing machine is in a stop adjusting state, when the sewing machine starts to adjust, firstly, an axial force is applied to the knob 20, at the moment, the return springs 18 on two sides of the driving shaft 19 are compressed under force, so that the sleeve clamping piston 14 is pushed to move, the fixed rod 11 is moved inwards by the rocker slider mechanism (the connecting rod mechanism 10) and is released from the circumferential constraint of the support frame 1, then, the knob 20 is applied with a torque, the circumferential rotation of the whole adjusting mechanism 5 is realized, the relative movement of the take-up lever rotating pair relative to the support frame 1 is realized by the eccentric wheel, and the relative movement is expressed in regular displacement on the circumference with the diameter of 20 mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a simple and easy adjusting device of industrial sewing machine take-up mechanism, includes support frame (1) and adjustment mechanism (5), its characterized in that: the supporting frame is characterized in that a supporting plate (2) is fixed on the inner side of the supporting frame (1), a circumferential limiting groove (3) penetrates through the middle inner portion of the supporting plate (2) horizontally, an adjusting mechanism (5) penetrates through the groove of the circumferential limiting groove (3), the adjusting mechanism (5) is composed of a bearing (4), an eccentric wheel shaft (6), a clamping sleeve (8), a reset spring (18), a driving shaft (19) and a knob (20), the bearing (4) is sleeved outside the eccentric wheel shaft (6), the bearing (4) is arranged in the circumferential limiting groove (3), an eccentric wheel boss (7) is fixed at one end of the eccentric wheel shaft (6), the clamping sleeve (8) is connected to the other end of the eccentric wheel shaft (6) through a screw, the driving shaft (19) is inserted into the tail end of the clamping sleeve (8), the knob (20) is installed at the tail end of the driving shaft (19), and a gap between the eccentric wheel shaft, And a return spring (18) is arranged between the driving shaft (19) and the knob (20).
2. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 1, characterized in that: the cutting ferrule (8) is composed of a cutting ferrule bottom plate (9), a connecting rod mechanism (10), a cutting ferrule piston (14) and a cutting ferrule outer cylinder (15), and the cutting ferrule bottom plate (9), the connecting rod mechanism (10) and the cutting ferrule piston (14) are sequentially arranged inside the cutting ferrule outer cylinder (15).
3. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 2, characterized in that: the connecting rod mechanisms (10) are respectively arranged at two sides between the cutting sleeve bottom plate (9) and the cutting sleeve piston (14), and the cutting sleeve bottom plate (9) is hinged with the connecting rod mechanisms (10) and the cutting sleeve piston (14) is hinged with the connecting rod mechanisms (10).
4. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 3, characterized in that: and connecting springs (13) are connected between the link mechanisms (10), and the link mechanisms (10) form an elastic structure through the connecting springs (13).
5. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 3, characterized in that: slotted holes (16) penetrate through two sides of the cylinder wall of the cutting sleeve outer cylinder (15), the connecting rod mechanism (10) is composed of a fixed rod (11) and a movable rod (12), the thick end of the fixed rod (11) penetrates through the slotted holes (16), the two sides of the thin end of the fixed rod (11) are connected with the movable rod (12) in a buckling mode, and the movable rod (12) is hinged to the cutting sleeve bottom plate (9) and the cutting sleeve piston (14) respectively.
6. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 5, characterized in that: the cutting ferrule bottom plate (9) and the cutting ferrule piston (14) form a telescopic structure through a connecting rod mechanism (10), the cutting ferrule bottom plate (9) and the cutting ferrule piston (14) are parallel to each other, and the cutting ferrule bottom plate (9) and the cutting ferrule piston (14) are matched with the inner wall of the cutting ferrule outer cylinder (15).
7. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 2, characterized in that: guide rail grooves (1901) are formed in two sides of the outer wall of one end, inserted into the clamping sleeve outer cylinder (15), of the driving shaft (19), sliding block bosses (17) are fixed to two sides of the inner wall of a cylinder opening of the clamping sleeve outer cylinder (15) in an inserting mode, the guide rail grooves (1901) correspond to the sliding block bosses (17) in position, and the guide rail grooves (1901) and the sliding block bosses (17) are matched in size to form a sliding structure.
8. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 1, characterized in that: both sides of the inner wall of the knob (20) are fixed with limiting strips (2001), a driving shaft (19) is matched into a shaft shoulder of the knob (20), a positioning groove (1902) is arranged outside the shaft shoulder, and the positioning groove (1902) is matched with the limiting strips (2001) in size.
9. The simple adjusting device of the thread take-up mechanism of the industrial sewing machine as claimed in claim 1, characterized in that: spring limiting grooves (1903) are formed in the centers of two ends of the driving shaft (19), and the spring limiting grooves (1903) correspond to the return springs (18) in position.
CN201911270618.9A 2019-12-12 2019-12-12 Simple adjusting device of thread take-up mechanism of industrial sewing machine Expired - Fee Related CN110952233B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911270618.9A CN110952233B (en) 2019-12-12 2019-12-12 Simple adjusting device of thread take-up mechanism of industrial sewing machine

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Application Number Priority Date Filing Date Title
CN201911270618.9A CN110952233B (en) 2019-12-12 2019-12-12 Simple adjusting device of thread take-up mechanism of industrial sewing machine

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CN110952233A true CN110952233A (en) 2020-04-03
CN110952233B CN110952233B (en) 2021-06-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02119892A (en) * 1988-10-28 1990-05-07 Juki Corp Movement adjusting device for thread take-up lever
CN107059267A (en) * 2017-06-16 2017-08-18 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107090673A (en) * 2017-06-16 2017-08-25 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107099947A (en) * 2017-04-27 2017-08-29 杰克缝纫机股份有限公司 A kind of take-up lever stroke adjustable structure and sewing machine
CN107245818A (en) * 2017-06-16 2017-10-13 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107761271A (en) * 2017-11-22 2018-03-06 杰克缝纫机股份有限公司 A kind of sewing machine and its take-up eccentric

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02119892A (en) * 1988-10-28 1990-05-07 Juki Corp Movement adjusting device for thread take-up lever
CN107099947A (en) * 2017-04-27 2017-08-29 杰克缝纫机股份有限公司 A kind of take-up lever stroke adjustable structure and sewing machine
CN107059267A (en) * 2017-06-16 2017-08-18 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107090673A (en) * 2017-06-16 2017-08-25 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107245818A (en) * 2017-06-16 2017-10-13 杰克缝纫机股份有限公司 A kind of simple take-up governor motion of sewing machine and sewing machine
CN107761271A (en) * 2017-11-22 2018-03-06 杰克缝纫机股份有限公司 A kind of sewing machine and its take-up eccentric

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