CN215713858U - Sewing machine auxiliary structure for eliminating tension - Google Patents

Sewing machine auxiliary structure for eliminating tension Download PDF

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Publication number
CN215713858U
CN215713858U CN202120278888.0U CN202120278888U CN215713858U CN 215713858 U CN215713858 U CN 215713858U CN 202120278888 U CN202120278888 U CN 202120278888U CN 215713858 U CN215713858 U CN 215713858U
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CN
China
Prior art keywords
tension
sewing machine
auxiliary structure
base
winding
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120278888.0U
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Chinese (zh)
Inventor
周正道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinyi Jinken Machinery Manufacturing Co ltd
Original Assignee
Xinyi Jinken Machinery Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Xinyi Jinken Machinery Manufacturing Co ltd filed Critical Xinyi Jinken Machinery Manufacturing Co ltd
Priority to CN202120278888.0U priority Critical patent/CN215713858U/en
Application granted granted Critical
Publication of CN215713858U publication Critical patent/CN215713858U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a sewing machine auxiliary structure for eliminating tension, which comprises a base, and a driving shaft, a driven shaft, a winding fork and a winding ring which are arranged on the base, wherein the driving shaft is provided with an eccentric cam, the driven shaft is provided with two groups of cylindrical cams, a T-shaped connecting rod is arranged below the cylindrical cams in a matching manner to form a reciprocating linear motion pair, one ends of the winding fork and the winding ring are fixedly connected with rotating shafts, the rotating shafts and the T-shaped connecting rod reciprocating rotary motion pair, and the rotating shafts corresponding to the winding fork are sleeved with compression springs. The sewing machine auxiliary structure for eliminating tension is simple in structure, stable in operation and convenient to disassemble and assemble, and tension elimination of a sewing thread is completed by matching with a sewing cycle of a sewing needle through reciprocating rotary motion of the winding ring and the winding fork and linear reciprocating motion of the winding fork, so that breakage of the sewing thread in a sewing process is avoided, and uniformity of the sewing thread is guaranteed.

Description

Sewing machine auxiliary structure for eliminating tension
Technical Field
The utility model relates to the field of sewing equipment, in particular to an auxiliary structure of a sewing machine for eliminating tension.
Background
The industrial sewing machine is the main body and core of the clothing machinery, is the main equipment for industrial production of clothing, along with the development and progress of science and technology, the trend of the high-speed development of the modern industrial sewing machine is increasingly obvious, like other machinery, the continuously upgraded high-speed development can also bring some challenges to the automation of sewing, meanwhile, along with the input of new materials, the toughness of some novel textile materials is insufficient, the sewing thread can be seriously damaged or even broken under the action of dynamic tension and shearing force in the high-speed sewing process, and in order to ensure the smooth sewing process, an auxiliary equipment for eliminating tension and capable of being matched with the industrial sewing machine needs to be designed.
The present invention is directed to a sewing machine auxiliary structure for eliminating tension, so as to solve the problems of the background art.
Disclosure of Invention
Utility model purpose: in order to overcome the defects, the utility model aims to provide the auxiliary structure of the sewing machine for eliminating the tension, which has the advantages of simple structure, stable operation and convenient disassembly and assembly, and can eliminate the tension of the suture by matching with the sewing cycle of the sewing needle through the reciprocating rotary motion of the winding ring and the winding fork and the linear reciprocating motion of the winding fork, avoid the fracture of the suture in the sewing process and ensure the uniformity of the suture.
The technical scheme is as follows: in order to achieve the purpose, the utility model provides an auxiliary structure of a sewing machine for eliminating tension, which comprises a base, and a driving shaft, a driven shaft, a winding fork and a winding ring which are arranged on the base, wherein an eccentric cam is fixedly sleeved on the driving shaft, two groups of cylindrical cams are fixedly sleeved on the driven shaft, a T-shaped connecting rod is arranged below the cylindrical cams in a matching way, an upward cylindrical rod is arranged at one end of the upper surface of the T-shaped connecting rod, a rack is arranged at the other end of the T-shaped connecting rod, the cylindrical rod and the cylindrical cams form a reciprocating linear motion pair, one ends of the winding fork and the winding ring are fixedly connected with a rotating shaft, a pinion is arranged at the other end of the rotating shaft, the pinion is meshed with the rack, the rotating shaft is supported by a small support, the small support is provided with a first through hole, a compression spring is sleeved on the rotating shaft corresponding to the winding fork, and a flat plate is connected with one side close to the eccentric cam, one end of the compression spring is connected with the small support, the other end of the compression spring is connected with the small gear, the winding fork and the winding ring perform reciprocating rotary motion under the action of the cylindrical cam, the T-shaped connecting rod and the small gear to eliminate tension of the sewing thread, and meanwhile, the winding fork performs reciprocating linear motion under the action of the eccentric cam to perform winding and unwinding corresponding to the working cycle of the sewing needle.
Furthermore, in the auxiliary structure of the sewing machine for eliminating the tension, the lower part of the T-shaped connecting rod is provided with the groove, and the corresponding position of the base is provided with the sliding groove, so that the T-shaped connecting rod can make the reciprocating linear motion stable.
Furthermore, in the auxiliary structure of the sewing machine for eliminating tension, the outer surface of the cylindrical cam is provided with a continuous sinusoidal groove, and the top of the cylindrical rod is positioned in the sinusoidal groove to convert the rotary motion into the linear motion.
Further, foretell for eliminating tension sewing machine auxiliary structure, be equipped with two sets of big supports just right on the base, be equipped with the second through-hole on the big support, driving shaft and driven shaft pass through the bearing and install in big support.
Further, foretell eliminate sewing machine auxiliary structure for tension, the driving shaft passes through the hold-in range and connects the motor, motor fixed mounting is on the base.
Further, in the auxiliary structure of the sewing machine for eliminating tension, the driving shaft is provided with the driving wheel, the driven shaft is provided with the driven wheel, and the driving wheel is meshed with the driven wheel.
Furthermore, in the auxiliary structure of the sewing machine for eliminating tension, the back of the base is provided with a plurality of countersunk holes for fixing the small support and the large support through screws.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the auxiliary structure of the sewing machine for eliminating the tension, the reciprocating rotary motion of the winding ring and the winding fork is realized through the matching of the cylindrical cam, the T-shaped connecting rod and the pinion, the linear reciprocating motion of the winding fork is realized through the matching of the eccentric cam and the compression spring, the tension elimination of the sewing thread is completed through the matching of the sewing cycle of the sewing needle, the breakage of the sewing thread in the sewing process is avoided, and meanwhile, the uniformity of the sewing thread is ensured.
2. According to the sewing machine auxiliary structure for eliminating the tension, the countersunk hole is formed in the back face of the base, the movement mechanism is integrated on the base, and therefore the sewing machine auxiliary structure is convenient to install and disassemble according to requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a T-shaped connecting rod according to the present invention;
FIG. 3 is a schematic view of a connection structure of the winding fork of the present invention with respect to the rotating shaft;
FIG. 4 is a schematic structural view of a base in the present invention;
fig. 5 is a bottom view of the base of the present invention.
In the figure: 1. a base; 11. a large support; 110. a second through hole; 12. a chute; 13. a countersunk hole; 2. A drive shaft; 20. a motor; 21. a driving wheel; 22. an eccentric cam; 3. a driven shaft; 31. a driven wheel; 4. a winding fork; 41. a small support; 410. a first through hole; 5. a wire winding ring; 6. a cylindrical cam; 7. a T-shaped connecting rod; 71. a cylindrical rod; 72. a rack; 8. a rotating shaft; 81. a pinion gear; 82. a flat plate; 9. compressing the spring.
Detailed Description
The utility model is further elucidated with reference to the drawings and the embodiments.
Examples
The auxiliary structure of the sewing machine for eliminating tension shown in fig. 1-4 comprises a base 1, and a driving shaft 2, a driven shaft 3, a winding fork 4 and a winding ring 5 which are arranged on the base 1, wherein the driving shaft 2 is fixedly sleeved with an eccentric cam 22, the driven shaft 3 is fixedly sleeved with two groups of cylindrical cams 6, a T-shaped connecting rod 7 is arranged below the cylindrical cams 6 in a matching manner, one end of the upper surface of the T-shaped connecting rod 7 is provided with an upward cylindrical rod 71, the other end of the upper surface of the T-shaped connecting rod 7 is provided with a rack 72, the cylindrical rod 71 and the cylindrical cams 6 form a reciprocating linear motion pair, one end of the winding fork 4 and one end of the winding ring 5 are both fixedly connected with a rotating shaft 8, the other end of the rotating shaft 8 is provided with a pinion 81, the pinion 81 is meshed with the rack 72, the rotating shaft 8 is supported by a small support 41, the small support 41 is provided with a first through hole 410, the rotating shaft 8 corresponding to the winding fork 4 is sleeved with a compression spring 9, and a flat plate 82 is connected to one side close to the eccentric cam 22, and one end of the compression spring 9 is connected with the small support 41, and the other end is connected with the small gear 81.
Further, as shown in fig. 2 and 4, in the auxiliary structure of the sewing machine for eliminating tension, a groove 73 is provided at a lower portion of the T-shaped link 7, and a sliding groove 12 is provided at a corresponding position of the base 1.
Further, as shown in fig. 1, in the auxiliary structure for a sewing machine for eliminating tension, the outer surface of the cylindrical cam 6 is provided with a continuous sinusoidal groove, and the top of the cylindrical rod 71 is located in the sinusoidal groove.
Further, as shown in fig. 1 and 4, in the auxiliary structure of the sewing machine for eliminating tension, two sets of large support bases 11 are arranged on the base 1, the large support bases 11 are provided with second through holes 110, and the driving shaft 2 and the driven shaft 3 are mounted on the large support bases 11 through bearings.
Further, as shown in fig. 1, in the auxiliary structure of the sewing machine for eliminating tension, the driving shaft 2 is connected to a motor 20 through a synchronous belt, and the motor 20 is fixedly installed on the base 1.
Further, as shown in fig. 1, in the auxiliary structure of the sewing machine for eliminating tension, the driving shaft 2 is provided with the driving wheel 21, the driven shaft 3 is provided with the driven wheel 31, and the driving wheel 21 is engaged with the driven wheel 31.
Further, as shown in fig. 5, in the auxiliary structure of the sewing machine for eliminating tension, a plurality of countersunk holes 13 are formed in the back surface of the base 1.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (7)

1. The utility model provides an eliminate sewing machine auxiliary structure for tension which characterized in that: comprises a base (1), and a driving shaft (2), a driven shaft (3), a winding fork (4) and a winding ring (5) which are arranged on the base (1), wherein an eccentric cam (22) is fixedly sleeved on the driving shaft (2), two groups of cylindrical cams (6) are fixedly sleeved on the driven shaft (3), a T-shaped connecting rod (7) is arranged below the cylindrical cams (6) in a matching manner, an upward cylindrical rod (71) is arranged at one end of the upper surface of the T-shaped connecting rod (7), a rack (72) is arranged at the other end of the upper surface of the T-shaped connecting rod, the cylindrical rod (71) and the cylindrical cams (6) form a reciprocating linear motion pair, a rotating shaft (8) is fixedly connected with one end of the winding fork (4) and one end of the winding ring (5), a pinion (81) is arranged at the other end of the rotating shaft (8), the pinion (81) is meshed with the rack (72), and the rotating shaft (8) is supported by a small support (41), little support (41) are equipped with first through-hole (410), the cover is equipped with compression spring (9) on pivot (8) that winding fork (4) correspond, and is close to eccentric cam (22) one side and is connected with flat board (82), little support (41) are connected to compression spring (9) one end, and pinion (81) are connected to the other end.
2. The tension-releasing sewing machine auxiliary structure according to claim 1, wherein: the lower part of the T-shaped connecting rod (7) is provided with a groove (73), and a sliding groove (12) is arranged at the corresponding position of the base (1).
3. The tension-releasing sewing machine auxiliary structure according to claim 1, wherein: the outer surface of the cylindrical cam (6) is provided with a continuous sinusoidal groove, and the top of the cylindrical rod (71) is positioned in the sinusoidal groove.
4. The tension-releasing sewing machine auxiliary structure according to claim 1, wherein: the novel motor is characterized in that two groups of large dead supports (11) are arranged on the base (1), second through holes (110) are formed in the large dead supports (11), and the driving shaft (2) and the driven shaft (3) are mounted on the large dead supports (11) through bearings.
5. The tension-releasing sewing machine auxiliary structure according to claim 4, wherein: the driving shaft (2) is connected with a motor (20) through a synchronous belt, and the motor (20) is fixedly installed on the base (1).
6. The tension-releasing sewing machine auxiliary structure according to claim 5, wherein: the driving shaft (2) is provided with a driving wheel (21), the driven shaft (3) is provided with a driven wheel (31), and the driving wheel (21) is meshed with the driven wheel (31).
7. The tension-releasing sewing machine auxiliary structure according to claim 1, wherein: the back of the base (1) is provided with a plurality of counter bores (13).
CN202120278888.0U 2021-02-01 2021-02-01 Sewing machine auxiliary structure for eliminating tension Expired - Fee Related CN215713858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120278888.0U CN215713858U (en) 2021-02-01 2021-02-01 Sewing machine auxiliary structure for eliminating tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120278888.0U CN215713858U (en) 2021-02-01 2021-02-01 Sewing machine auxiliary structure for eliminating tension

Publications (1)

Publication Number Publication Date
CN215713858U true CN215713858U (en) 2022-02-01

Family

ID=80011994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120278888.0U Expired - Fee Related CN215713858U (en) 2021-02-01 2021-02-01 Sewing machine auxiliary structure for eliminating tension

Country Status (1)

Country Link
CN (1) CN215713858U (en)

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Granted publication date: 20220201