CN216998792U

CN216998792U - Computer pattern sewing machine for extra-thick materials

Info

Publication number: CN216998792U
Application number: CN202122024730.3U
Authority: CN
Inventors: 朱炳义; 张鹏; 葛健
Original assignee: Hebei Zhiqiang Sewing Equipment Co ltd
Current assignee: Hebei Zhiqiang Sewing Equipment Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-07-19
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of sewing equipment, in particular to a computer pattern sewing machine for extra-thick materials; the sewing machine can realize X-axis and Y-axis feeding, change the feeding transmission ratio, improve the driving torque, improve the response speed of feeding driving equipment, meet the thick material sewing requirement, effectively prevent the needle from being bent, and increase the maximum sewing thickness of the sewing machine; the sewing machine comprises a machine body, a moving seat, an X-axis driving mechanism, a Y-axis driving mechanism, two groups of first sliding rails arranged on the machine body, a pressure arm lifting seat, a driving connecting rod and a sewing thread supply mechanism, wherein the moving seat is slidably arranged on the two groups of first sliding rails, a second sliding rail is arranged on the moving seat, the X-axis driving mechanism and the Y-axis driving mechanism respectively comprise a stepping motor, a driving gear, a driven gear, a driving shaft, two groups of synchronous wheels and a synchronous belt, and the transmission ratio of the driving gear to the driven gear is 1:2.5-1: 3.5.

Description

Computer pattern sewing machine for extra-thick materials

Technical Field

The utility model relates to the technical field of sewing equipment, in particular to a computer pattern sewing machine for extra-thick materials.

Background

As is well known, a computer pattern sewing machine for extra-thick materials is a device for sewing thick materials; publication (announcement) No. CN103061056B discloses a guide rail mechanism of a computer pattern machine capable of expanding sewing stroke, comprising: the X-direction stroke-increasing linear guide rail is fixedly arranged on the X-direction stroke-increasing linear guide rail, and is driven by an air cylinder driving system and is used for fixedly arranging an X-direction stroke-increasing slider of an outer pressure body assembly. The sewing stroke and the range of the pattern sewing machine are enlarged in a manner of compact structure and convenient operation, the design of other accessories of the pattern sewing machine is not required to be changed, and the continuity and the stability in the sewing process are ensured; however, when thick materials are sewn, the thicker the thickness of the sewing machine is, the lower the rotating speed is, and the phenomenon that a needle is pricked to a needle plate of the sewing machine can occur if the speed is not reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the computer pattern sewing machine for extra-thick materials, which can realize X-axis feeding and Y-axis feeding, change the feeding transmission ratio, improve the driving torque, improve the response speed of feeding driving equipment, meet the requirements of thick material sewing, effectively prevent a needle from being bent, and increase the maximum sewing thickness of the sewing machine.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the sewing machine comprises a machine body, a moving seat, an X-axis driving mechanism, a Y-axis driving mechanism, two groups of first slide rails arranged on the machine body, a pressure arm lifting seat, a driving connecting rod and a sewing thread supply mechanism, wherein the moving seat is slidably arranged on the two groups of first slide rails, the moving seat is provided with a second slide rail, the pressure arm lifting seat is slidably arranged on the second slide rail, the X-axis driving mechanism and the Y-axis driving mechanism are fixedly arranged on the machine body, the sewing thread supply mechanism is embedded in the machine body, the moving seat is in transmission connection with the X-axis driving mechanism, the pressure arm lifting seat is in transmission connection with the driving connecting rod through the Y-axis driving mechanism, the X-axis driving mechanism and the Y-axis driving mechanism respectively comprise a stepping motor, a driving gear, a driven gear, a driving shaft, two groups of synchronous wheels and a synchronous belt, and the stepping motor is fixedly arranged on the machine body, the driving gear is arranged at the output end of the stepping motor, the driven gear is fixedly arranged on the driving shaft, the driving gear is meshed with the driven gear, the two groups of synchronous wheels can be rotatably arranged on the machine body, two ends of the synchronous belts are respectively sleeved on the synchronous wheels, the driven gear is in transmission connection with the corresponding group of synchronous wheels through the driving shaft, and the transmission ratio of the driving gear to the driven gear is 1:2.5-1: 3.5.

Preferably, the sewing thread supply mechanism comprises a driving motor, a transmission belt, an upper shaft, a big connecting rod, a swing shaft, a central shaft, a lower shaft and a transmission gear, the upper shaft can be rotatably arranged at the upper part of the machine body, the driving motor is fixedly arranged on the machine body, the driving motor is in transmission connection with the upper shaft through a transmission belt, the upper part of the large connecting rod is in eccentric rotation connection with the left part of the upper shaft, the swing shaft is rotatably arranged at the bottom of the large connecting rod, the central shaft is fixedly arranged on the swing shaft and is rotatably connected with the machine body, the transmission gear is fixedly arranged at the end part of the lower shaft, a rack is arranged in the pendulum shaft, the transmission gear is meshed with the rack, the other end of the lower shaft is provided with a shuttle hook support, the left part of the upper shaft is provided with a take-up cam, the machine body is provided with a take-up lever, and the take-up cam is in transmission connection with the take-up lever.

Preferably, the maximum swing angle of the swing shaft is 215-230 degrees.

(III) advantageous effects

Compared with the prior art, the utility model provides a computer pattern sewing machine for extra-thick materials, which has the following beneficial effects: the computer pattern sewing machine for the extra-thick materials is arranged on a lifting and pressing arm seat through a feeding related clamp, the movement of an X axis and a Y axis of the lifting and pressing arm seat is realized by starting an X axis driving mechanism and a Y axis driving mechanism, so that the feeding action of the X axis and the Y axis when sewing the thick materials is realized, the thick materials can be sewn, the distance traveled by 2.5-3.5 circles of rotation of a stepping motor is equal to the distance traveled by 1 circle of rotation of a driven gear when the sewing machine feeds the materials by adopting the arrangement that the transmission ratio of a driving gear and the driven gear is 1:2.5-1:3.5 through the X axis driving mechanism and the Y axis driving mechanism, the starting torque is improved to 2.5-3.5 times compared with the starting torque directly driven by the stepping motor, the feeding of the X axis and the Y axis can be realized, the feeding transmission ratio is changed, the driving torque is improved, the response speed of a feeding driving device is improved, the requirement on sewing the thick materials is suitable for preventing the thick materials from being bent, not only improves the sewing speed, but also can increase the maximum sewing thickness of the sewing machine.

Drawings

FIG. 1 is a schematic isometric view of the interior of a fuselage body of the present invention;

FIG. 2 is a rear right perspective view of the interior of the fuselage body of the present invention;

FIG. 3 is a bottom plan view of the present invention;

FIG. 4 is a schematic view of the structure of the X-axis driving mechanism and the Y-axis driving mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the thread supplying mechanism of the present invention;

in the drawings, the reference numbers: 1. a body; 2. a movable seat; 3. an X-axis drive mechanism; 4. a Y-axis drive mechanism; 5. a first slide rail; 6. lifting and pressing the arm seat; 7. a drive link; 8. a sewing thread supply mechanism; 9. a stepping motor; 10. a driving gear; 11. a driven gear; 12. a drive shaft; 13. a synchronizing wheel; 14. a synchronous belt; 15. a drive motor; 16. a drive belt; 17. an upper shaft; 18. a large connecting rod; 19. a pendulum shaft; 20. a central shaft; 21. a lower shaft; 22. a transmission gear; 23. a rack; 24. a shuttle hook support; 25. a thread take-up cam; 26. a take-up lever; 27. a second slide rail.

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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the computer pattern-sewing machine for extra thick materials of the utility model comprises a machine body 1, a movable seat 2, an X-axis driving mechanism 3, a Y-axis driving mechanism 4, two sets of first slide rails 5 arranged on the machine body 1, a pressure arm seat 6, a driving connecting rod 7 and a sewing thread supply mechanism 8, wherein the movable seat 2 is slidably arranged on the two sets of first slide rails 5, a second slide rail 27 is arranged on the movable seat 2, the pressure arm seat 6 is slidably arranged on the second slide rail 27, the X-axis driving mechanism 3 and the Y-axis driving mechanism 4 are both fixedly arranged on the machine body 1, the sewing thread supply mechanism 8 is embedded in the machine body 1, the movable seat 2 is in transmission connection with the X-axis driving mechanism 3, the pressure arm seat 6 is in transmission connection with the driving connecting rod 7 through the Y-axis driving mechanism 4, the X-axis driving mechanism 3 and the Y-axis driving mechanism 4 both comprise a stepping motor 9, The stepping motor 9 is fixedly arranged on the machine body 1, the driving gear 10 is arranged at the output end of the stepping motor 9, the driven gear (11) is fixedly arranged on the driving shaft 12, the driving gear 10 is meshed with the driven gear 11, the two groups of synchronous wheels 13 can be rotatably arranged on the machine body 1, two ends of the synchronous belt 14 are respectively sleeved on the synchronous wheels 13, the driven gear 11 is in transmission connection with the corresponding group of synchronous wheels 13 through the driving shaft 12, and the transmission ratio of the driving gear 10 to the driven gear 11 is 1:2.5-1: 3.5; the X-axis and Y-axis movement of the lifting arm seat 6 is realized by starting the X-axis driving mechanism 3 and the Y-axis driving mechanism 4 through the installation of a material supply related clamp on the lifting arm seat 6, so that the X-axis and Y-axis feeding action during the sewing of thick materials is realized, the thick materials are sewn, the distance traveled by 2.5-3.5 circles of the stepping motor 9 is equal to the distance traveled by 1 circle of the driven gear 11 during the feeding of the sewing machine through the arrangement that the transmission ratio of the driving gear 10 and the driven gear 11 is 1:2.5-1:3.5 through the arrangement of the X-axis driving mechanism 3 and the Y-axis driving mechanism 4, the starting torque is improved to 2.5-3.5 times compared with the starting torque directly driven by the stepping motor 9, the feeding of the X-axis and the Y-axis can be realized, the feeding transmission ratio of the feeding is changed, the driving torque is improved, the response speed of the feeding driving device is improved, the thick material sewing requirement is suitable for the thick materials, and the situation that the machine needle is effectively prevented from being bent, not only improves the sewing speed, but also can increase the maximum sewing thickness of the sewing machine.

The utility model relates to a computer pattern sewing machine for extra-thick materials, wherein a sewing thread supply mechanism 8 comprises a driving motor 15, a transmission belt 16, an upper shaft 17, a large connecting rod 18, a swinging shaft 19, a central shaft 20, a lower shaft 21 and a transmission gear 22, the upper shaft 17 is rotatably arranged at the upper part of a machine body 1, the driving motor 15 is fixedly arranged on the machine body 1, the driving motor 15 is in transmission connection with the upper shaft 17 through the transmission belt 16, the upper part of the large connecting rod 18 is in eccentric rotation connection with the left part of the upper shaft 17, the swinging shaft 19 is rotatably arranged at the bottom of the large connecting rod 18, the central shaft 20 is fixedly arranged on the swinging shaft 19, the central shaft 20 is rotatably connected with the machine body 1, the transmission gear 22 is fixedly arranged at the end part of the lower shaft 21, a rack 23 is arranged in the swinging shaft 19, the transmission gear 22 is meshed with the rack 23, the other end of the lower shaft 21 is provided with a swinging shuttle support 24, the left part of the upper shaft 17 is provided with a thread take-up cam 25, a take-up lever 26 is arranged on the machine body 1, the thread take-up cam 25 is in transmission connection with the thread take-up lever 26; the rotating shuttle is arranged at the drag position of the shuttle hook, after the driving motor 15 is started and is transmitted by the transmission belt 16, the upper shaft 17 drives the large connecting rod 18 to rotate up and down, the large connecting rod 18 drives the swinging shaft 19 to do reciprocating motion around the central shaft 20 in a circular shape, after the transmission is performed by the rack 23, the transmission gear 11 drives the lower shaft 21 to rotate, the lower shaft 21 drives the rotating shuttle clamped in the shuttle hook support 24 to rotate, the reciprocating thread feeding is performed, the swinging shaft 19 and the lower shaft 21 are in transmission connection in the mode of the rack 23 and the transmission gear 22, the swinging angle of the swinging shaft 19 can be increased, the rotating angle of the rotating shuttle is increased, the thread feeding requirement for thick materials is met, meanwhile, the transmission connection mode enables the transmission gear 22 to rotate in the rack 23 without any obstruction, and the noise can be reduced.

According to the computer pattern machine for the extra-thick materials, the maximum swing angle of the swing shaft 19 is 215-230 degrees; the maximum swing angle of the swing shaft 19 is set to be 215-230 degrees, so that the maximum swing angle of the thread supply rotating shuttle is set to be 215-230 degrees, and the thread supply requirement in the thick material sewing process is met.

When in use, the related feeding clamp is arranged on the pressure arm seat 6, the X-axis and Y-axis movement of the pressure arm seat 6 is realized by starting the X-axis driving mechanism 3 and the Y-axis driving mechanism 4, so that the X-axis and Y-axis feeding action during thick material sewing is realized, thick materials can be sewn, the distance traveled by 2.5-3.5 circles of the stepping motor 9 is equal to the distance traveled by 1 circle of the driven gear 11 during feeding of the sewing machine by adopting the arrangement that the transmission ratio of the driving gear 10 and the driven gear 11 is 1:2.5-1:3.5 by the X-axis driving mechanism 3 and the Y-axis driving mechanism 4, the starting torque is improved to 2.5-3.5 times compared with the starting torque directly driven by the stepping motor 9, the X-axis and Y-axis feeding can be realized, the feeding transmission ratio is changed, the driving torque is improved, the response speed of the feeding driving device is improved, and the thick material sewing requirement is met, the situation that the needle is bent by a belt is effectively prevented, the sewing speed is improved, and the maximum sewing thickness of the sewing machine can be increased; the rotating shuttle is arranged at the drag position of the shuttle hook, after the driving motor 15 is started and is transmitted by the transmission belt 16, the upper shaft 17 drives the large connecting rod 18 to rotate up and down, the large connecting rod 18 drives the oscillating shaft 19 to do reciprocating motion around the central shaft 20 in a circular shape, after the transmission is carried out by the rack 23, the transmission gear 22 drives the lower shaft 21 to rotate, the lower shaft 21 drives the rotating shuttle clamped in the shuttle hook 24 to rotate, and the reciprocating thread feeding is carried out, the oscillating shaft 19 and the lower shaft 21 are in transmission connection in the mode of the rack 23 and the transmission gear 22, the swinging angle of the oscillating shaft 19 can be increased, so that the rotating angle of the rotating shuttle is increased, the thread feeding requirement of thick materials is met, the sewing requirement of the thick materials is met, and meanwhile, the transmission connection mode enables the transmission gear 22 to rotate in the rack 23 without any obstruction, and the noise can be reduced; the maximum swing angle of the swing shaft 19 is set to be 215-230 degrees, so that the maximum swing angle of the thread supply rotating shuttle is set to be 215-230 degrees, and the thread supply requirement in the thick material sewing process is met.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A computer pattern sewing machine for extra-thick materials is characterized by comprising a machine body (1), a moving seat (2), an X-axis driving mechanism (3), a Y-axis driving mechanism (4), two groups of first sliding rails (5) arranged on the machine body (1), a lifting arm pressing seat (6), a driving connecting rod (7) and a sewing thread supply mechanism (8), wherein the moving seat (2) is slidably arranged on the two groups of first sliding rails (5), a second sliding rail (27) is arranged on the moving seat (2), the lifting arm pressing seat (6) is slidably arranged on the second sliding rail (27), the X-axis driving mechanism (3) and the Y-axis driving mechanism (4) are fixedly arranged on the machine body (1), the sewing thread supply mechanism (8) is embedded in the machine body (1), the moving seat (2) is in transmission connection through the X-axis driving mechanism (3), the lifting and pressing arm seat (6) is in transmission connection through a Y-axis driving mechanism (4) and a driving connecting rod (7), the X-axis driving mechanism (3) and the Y-axis driving mechanism (4) respectively comprise a stepping motor (9), a driving gear (10), a driven gear (11), a driving shaft (12), two groups of synchronizing wheels (13) and a synchronous belt (14), the stepping motor (9) is fixedly arranged on the machine body (1), the driving gear (10) is arranged at the output end of the stepping motor (9), the driven gear (11) is fixedly arranged on the driving shaft (12), the driving gear (10) is meshed with the driven gear (11), the two groups of synchronizing wheels (13) are rotatably arranged on the machine body (1), two ends of the synchronous belt (14) are respectively sleeved on the synchronizing wheels (13), the driven gear (11) is in transmission connection with the corresponding group of synchronizing wheels (13) through the driving shaft (12), the transmission ratio of the driving gear (10) to the driven gear (11) is 1:2.5-1: 3.5.

2. The computer pattern sewing machine for extra thick materials according to claim 1, wherein the sewing thread supply mechanism (8) comprises a driving motor (15), a transmission belt (16), an upper shaft (17), a large connecting rod (18), a swing shaft (19), a central shaft (20), a lower shaft (21) and a transmission gear (22), the upper shaft (17) is rotatably arranged at the upper part of the machine body (1), the driving motor (15) is fixedly arranged on the machine body (1), the driving motor (15) is in transmission connection with the upper shaft (17) through the transmission belt (16), the upper part of the large connecting rod (18) is in eccentric rotation connection with the left part of the upper shaft (17), the swing shaft (19) is rotatably arranged at the bottom of the large connecting rod (18), the central shaft (20) is fixedly arranged on the swing shaft (19), and the central shaft (20) is rotatably connected with the machine body (1), the novel sewing machine is characterized in that the transmission gear (22) is fixedly arranged at the end part of the lower shaft (21), a rack (23) is arranged in the swing shaft (19), the transmission gear (22) is meshed with the rack (23), a swing shuttle support (24) is arranged at the other end of the lower shaft (21), a take-up cam (25) is arranged at the left part of the upper shaft (17), a take-up lever (26) is arranged on the machine body (1), and the take-up cam (25) is in transmission connection with the take-up lever (26).

3. The computer pattern machine for extra thick materials as claimed in claim 2, wherein the maximum swing angle of the swing shaft (19) is 215-230 degrees.