CN218059434U

CN218059434U - Pattern sewing machine

Info

Publication number: CN218059434U
Application number: CN202220901080.8U
Authority: CN
Inventors: 肖修锋; 南永淑
Original assignee: Ganzhou Feiyue Intelligent Technology Co ltd
Current assignee: Ganzhou Feiyue Intelligent Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-12-16
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a pattern sewing machine, which comprises a control device, a sewing platform and a sewing machine head fixed on the surface of the sewing platform, wherein the sewing platform is provided with a material supporting base plate, the material supporting base plate is provided with a longitudinal feeding mechanism, a needle frame used for assembling threading needles is arranged inside the sewing machine head, the needle frame is positioned right above the material supporting base plate, and the needle frame is connected with the needle frame and is movably arranged; the needle frame is connected with a deviation driving mechanism, the deviation driving mechanism comprises a deviation driving motor and a connecting rod structure, the deviation driving motor is in transmission connection with the needle frame through the connecting rod structure, and the deviation driving motor and the longitudinal feeding mechanism are respectively and electrically connected with a control device so as to realize continuous transformation of the lower needle position of the threading needle and pattern stitches. Compared with the prior art, the two-shaft pattern sewing is realized by controlling the motor capable of controlling the rotation angle and the connecting rod structure, the structure is simple, the preparation cost is low, and the operation is stable and reliable.

Description

Pattern sewing machine

Technical Field

The utility model belongs to the technical field of the sewing machine technique and specifically relates to a pattern sewing machine is related to.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. Lock-stitch stitches are most commonly made up of two stitches that are interwoven like a twine with the point of interweaving in the middle of the material. Two stitches are like two locks locking each other when viewed in cross section of the stitch, and are therefore called lock stitches. The stitch is used for sewing materials such as cotton, wool fabric or leather with small shrinkage rate, the front side and the back side have the same shape, like a dotted line, the stitch is distributed densely, and the sewing fastness is generally higher than that of manual sewing.

The existing electronic pattern sewing machine is matched with code input of an electronic system coordinate system on the basis of the sewing machine to form programming scales to regulate and control fine processing sewing operation, and the framework effect that the sewing of pattern patterns is matched with a threading lead to form line aesthetic feeling to walk between clothes and trousers is realized. The electronic pattern sewing machine has the defects of large volume and high preparation cost, and is used for inputting a program once when a pattern of a specific pattern is sewn every time, so that the electronic pattern sewing machine is quite unchanged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a pattern sewing machine realizes two shaft type style sewing, simple structure, and the preparation cost is low, moves reliable and stable.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a pattern sewing machine comprises a control device, a sewing platform and a sewing machine head fixed on the surface of the sewing platform, wherein the sewing platform is provided with a material supporting base plate, the material supporting base plate is provided with a longitudinal feeding mechanism, a needle frame used for assembling threading needles is arranged in the sewing machine head, the needle frame is positioned right above the material supporting base plate, and the needle frame is connected with the needle frame and is movably arranged; the needle frame is connected with a deviation driving mechanism, the deviation driving mechanism comprises a deviation driving motor and a connecting rod structure, the deviation driving motor is in transmission connection with the needle frame through the connecting rod structure, and the deviation driving motor and the longitudinal feeding mechanism are respectively and electrically connected with a control device so as to realize continuous transformation of the lower needle position of the threading needle and pattern stitches.

In a further technical scheme, the needle frame is movably arranged on a sewing machine head along the transverse direction; the connecting rod structure comprises a swing rod, a first connecting rod, a second connecting rod and a third connecting rod, one end of the swing rod is fixedly connected to an output shaft of the deviation driving motor, the other end of the swing rod is connected with one end of the first connecting rod through a chain shaft, the other end of the first connecting rod is connected with one end of the second connecting rod through another chain shaft, the two chain shafts are arranged in parallel, the other end of the second connecting rod is fixedly connected to the third connecting rod, the second connecting rod and the third connecting rod are arranged perpendicularly, and the end portion of the third connecting rod is fixedly connected with the needle frame.

In a further technical scheme, an output shaft sleeve is formed at the top of the oscillating bar, an opening is formed in the side part of the output shaft sleeve, locking convex parts protruding in the radial direction are formed on the upper side and the lower side of the opening respectively, and the two locking convex parts are connected through bolts to form an output shaft fastening connection structure; the bottom of the output shaft sleeve is formed with a flat swing rod body, and the end part of the swing rod body is provided with a shaft hole used for assembling the chain shaft.

In a further technical scheme, the first connecting rod comprises a first half rod and a second half rod, the first half rod and the second half rod respectively comprise half rod bodies with the same structure, one end of each half rod body is provided with a chain shaft mounting part, the other end of each half rod body is provided with a half rod connecting part, the chain shaft mounting parts are arranged in an oblate shape, the center of each chain shaft mounting part is provided with another shaft hole, and the shaft holes of the first half rod and the shaft holes of the rod bodies are connected through chain shafts; the half-rod connecting part comprises a convex shoulder ring body protruding out of the outer surface of the half-rod body, a half-rod connecting threaded hole is formed in the center of the convex shoulder ring body, the half-rod connecting threaded holes are formed in the half-rod connecting threaded holes of the two convex part ring bodies of the first half-rod and the second half-rod respectively and connected through a stud, and the assembling surfaces of the two convex part ring bodies are mutually abutted and matched.

In a further technical scheme, the end face of one end of the second connecting rod is provided with another shaft hole, and the shaft hole is connected with the shaft hole of the second half rod through another chain shaft; the other end of the second connecting rod is provided with a sleeve, the sleeve is movably sleeved on the third connecting rod, the sleeve is provided with at least one locking thread opening which penetrates through the inside and the outside, a locking bolt is installed on the locking thread opening in a threaded mode, and the inner side end of the locking bolt movably abuts against the surface of the third connecting rod.

In a further technical scheme, the third connecting rod comprises a polished rod, and the sleeve is sleeved at the middle position of the polished rod; the inside of sewing machine head is equipped with two linear bearing, and these two linear bearing are located sewing machine head's the left and right sides respectively to these two linear bearing are coaxial to be aligned and set up, and the both sides of polished rod slide respectively to be inserted and locate corresponding linear bearing.

In a further technical scheme, a connecting sleeve is arranged at the top of the needle frame, and the end part of the polished rod is inserted into the connecting sleeve; the connecting sleeve is provided with at least one upper limiting pin hole which penetrates through the inside and the outside, the end part of the polished rod is provided with a lower limiting pin hole, when the polished rod is inserted into the connecting sleeve, the lower limiting pin hole is concentrically matched with the upper limiting pin hole, and the lower limiting pin hole is connected with the upper limiting pin hole through a pin rod, so that the needle frame is tightly connected with the polished rod.

In a further technical scheme, the bottom of the needle frame is provided with a needle inserting rod for inserting a needle, the bottom of the needle inserting rod is provided with a needle inserting groove matched with the needle, and a needle locking structure is arranged.

In a further technical scheme, the top of the needle frame is pivoted with a sewing machine head; the deflection driving mechanism comprises a swing rod, an extension rod and a swing connecting rod, wherein the first end of the swing rod is fixedly connected to an output shaft of the deflection driving motor, the other end of the swing rod is fixedly connected with the first end of the extension rod, and the swing rod and the extension rod are vertically arranged; the two ends of the swinging connecting rod are respectively provided with a movable shaft sleeve, the second end of the extension rod is movably inserted in the corresponding movable shaft sleeve, and the swinging connecting rod is pivoted with the needle frame through the other movable shaft sleeve.

In a further aspect, the deflection drive motor comprises a stepper motor or a servo motor.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model provides a pattern sewing machine, which drives a needle frame to move transversely through a deviation driving mechanism composed of a deviation driving motor and a connecting rod structure, and is matched with a longitudinal feeding mechanism to perform two-shaft pattern sewing, the structure is simple, the preparation cost is low, and a plurality of stitch structures with different colors can be sewn; the swing type needle frame deviation structure has the advantages of small quantity of connecting pieces and higher precision, can improve the deviation speed of the threading needle, and realizes pattern sewing with more dense lower needle quantity.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the first embodiment.

FIG. 2 is a schematic view of a part of the first embodiment.

Fig. 3 is an exploded view of the link structure according to the first embodiment.

FIG. 4 is a schematic representation of a first pattern of stitches.

Fig. 5 is an enlarged view at a in fig. 4.

FIG. 6 is a structural schematic diagram of stitch pattern two.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is a schematic structural diagram of the second embodiment.

Detailed Description

The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.

Example one

A pattern sewing machine is disclosed, as shown in fig. 1 to 3, and comprises a control device 21, a sewing platform 3 and a sewing machine head 2 fixed on the surface of the sewing platform 3, wherein the sewing platform 3 is provided with a material supporting base plate 31, the material supporting base plate 31 is provided with a longitudinal feeding mechanism, a needle frame 16 used for assembling a threading needle is arranged in the sewing machine head 2, the needle frame 16 is positioned right above the material supporting base plate 31, the needle frame 16 is transversely and movably arranged, the needle frame 16 is connected with a deviation driving mechanism, and the deviation driving mechanism and the longitudinal feeding mechanism are respectively and electrically connected with the control device 21; wherein, the deviation driving mechanism comprises a deviation driving motor 11 and a connecting rod structure, the connecting rod structure comprises a swing rod 12, a first connecting rod 13, a second connecting rod 14 and a third connecting rod 15, one end of the swing rod 12 is fixedly connected with an output shaft of the deviation driving motor 11, the other end of the swing rod 12 is connected with one end of the first connecting rod 13 through a chain shaft, the other end of the first connecting rod 13 is connected with one end of the second connecting rod 14 through another chain shaft, the two chain shafts are arranged in parallel, the other end of the second connecting rod 14 is fixedly connected with the third connecting rod 15, the second connecting rod 14 is vertically arranged with the third connecting rod 15, and the end part of the third connecting rod 15 is fixedly connected with the needle frame 16. The utility model provides a pattern sewing machine drives the needle frame through the partial deviation actuating mechanism who comprises partial deviation driving motor and link structure and carries out lateral shifting to carry out two shaft type style sewing with vertical feeding mechanism cooperation, simple structure, low in preparation cost can sew out the suture structure of multiple appearance colour.

Specifically, an output shaft sleeve 121 is formed at the top of the oscillating bar 12, an opening is formed at the side of the output shaft sleeve 121, locking protrusions protruding in the radial direction are formed on the upper side and the lower side of the opening, and the two locking protrusions are connected through a bolt to form an output shaft fastening connection structure 122; a flat swing rod body 123 is formed at the bottom of the output shaft sleeve 121, and a shaft hole 140 for assembling a chain shaft is formed at the end of the swing rod body 123.

Specifically, the first link 13 includes a first half-link 131 and a second half-link 132, the first half-link 131 and the second half-link 132 respectively include half-links with the same structure, one end of the half-link is provided with a chain axle mounting part 133, the other end is provided with a half-link connecting part 130, the chain axle mounting part 133 is arranged in an oblate shape, the center of the chain axle mounting part 133 is provided with another axle hole 140, and the axle hole 140 of the first half-link 131 is connected with the axle hole 140 of the link through a chain axle; half pole connecting portion 130 includes a convex shoulder ring body of protrusion in half body of rod surface, and the central point of convex shoulder ring body puts and has offered half pole connecting thread hole, is connected through a stud between the half pole connecting thread hole of two protruding ring bodies of the first half pole 131 and the second half pole 132 of shaping respectively to the fitting surface of these two protruding ring bodies is supported the cooperation each other.

Specifically, another axle hole 140 is opened on the end face of one end of the second connecting rod 14, and this axle hole 140 is connected with the axle hole 140 of the second half-rod 132 through another chain axle; the other end of the second connecting rod 14 is provided with a sleeve 141, the sleeve 141 is movably sleeved on the third connecting rod 15, the sleeve 141 is provided with at least one locking thread opening 1410 which penetrates inside and outside, a locking bolt is threadedly mounted on the locking thread opening 1410, and the inner side end of the locking bolt movably abuts against the surface of the third connecting rod 15.

Specifically, the third link 15 includes a polish rod, and the sleeve 141 is sleeved at the middle position of the polish rod; two linear bearings 10 are arranged inside the sewing machine head 2, the two linear bearings 10 are respectively positioned at the left side and the right side of the sewing machine head 2, the two linear bearings 10 are coaxially aligned, and two sides of the polished rod are respectively inserted into the corresponding linear bearings 10 in a sliding mode.

Specifically, the top of the needle frame 16 is provided with a connecting sleeve 161, and the end of the polish rod is inserted into the connecting sleeve 161; the connecting sleeve 161 is provided with at least one upper limiting pin hole which penetrates through the inside and the outside, the end part of the polished rod is provided with a lower limiting pin hole, when the polished rod is inserted into the connecting sleeve 161, the lower limiting pin hole is concentrically matched with the upper limiting pin hole, and the lower limiting pin hole is connected with the upper limiting pin hole through a pin rod, so that the needle frame 16 is tightly connected with the polished rod.

Specifically, the bottom of the needle frame 16 is provided with a needle inserting rod 162 for inserting a needle, the bottom of the needle inserting rod 162 is provided with a needle inserting groove matched with the needle, and a needle locking structure is arranged.

Specifically, the deflection drive motor 11 includes a stepping motor or a servo motor. In the present embodiment, the bias drive motor 11 is a stepping motor, which has faster and more accurate angular motion control and is less costly than a servo motor.

In the embodiment, a control device controls the rotation angle of a stepping motor by inputting a pulse signal so as to control the transverse displacement of a needle frame 16, and as shown in fig. 4 and 5, a first suture pattern is shown, the first suture pattern is a gradually-changed amplitude wave texture suture structure 4, the control device drives a longitudinal feeding mechanism to longitudinally drive a material, and the driving stroke of the longitudinal feeding mechanism in unit time is b; the control device sets ten transverse coordinates with equal transverse intervals on the deflection driving mechanism through a setting program, and the interval between two adjacent transverse coordinates is a. If the transverse coordinate of the first needle is 0, the second needle is a, the third needle is-2 a, the fourth needle is 3a, the fifth needle is-4 a and the sixth needle is 5a … …, the pulse signal of the control device drives the stepping motor to carry out the positive and negative alternate equiangular transverse coordinate change by taking the first needle as a zero point so as to realize the sewing of the gradual-change amplitude wave texture sewing thread structure 4.

As shown in fig. 6 and 7, the pattern sewing machine provided in this embodiment can also sew a second sewing pattern, where the second sewing pattern is an equi-amplitude wavy stitch structure 5, the control device drives the longitudinal feeding mechanism to longitudinally drive the material, and the driving stroke of the longitudinal feeding mechanism in unit time is d; the control device sets five transverse coordinates with equal transverse intervals on the deflection driving mechanism through a setting program, and the interval between two adjacent transverse coordinates is c. If the horizontal coordinate of the first needle is 0, the second needle is c, the third needle is 2c, the fourth needle is 3c, the fifth needle is 4c, the sixth needle is 3c, the seventh needle is 2c, the eighth needle is c, and the ninth needle is 0 … …, the pulse signal of the control device drives the stepping motor to alternately change the horizontal coordinate of the first needle which is taken as a zero point and gradually becomes larger and smaller, so that the sewing of the uniform-wave-width-pattern sewing thread structure 5 is realized.

The pattern sewing machine provided in this embodiment can sew a variety of pattern stitch structures in the biaxial direction in addition to the stitch pattern one and the stitch pattern two, which will not be described herein in a repeated manner. Under the drive of the feeding mechanism with equally spaced longitudinal angles, the cloth is pushed longitudinally at equal angles; the stepping motor is controlled by the deflection angle through the pulse signal, so that the transverse angle of the sewing needle is adjusted, the two-shaft pattern sewing is realized, the structure is simple and reliable, the preparation cost is low, and the method is easy to popularize and use.

Example two

As shown in fig. 8, the pattern sewing machine of the present embodiment has substantially the same structure as the pattern sewing machine of the first embodiment, except that the top of the needle frame 16 in the present embodiment is pivotally connected to the sewing machine head 2, the needle frame 16 is mounted on the sewing machine head 2 in a swinging state, and the needle frame 16 is driven by a deviation driving mechanism to swing and offset by a set angle, so as to complete the transformation of different threading positions, and thus to realize the sewing of the first, second and other sewing patterns; the deflection driving mechanism comprises a swing rod 12, an extension rod 61 and a swing connecting rod 6, wherein the first end of the swing rod 12 is fixedly connected with an output shaft of the deflection driving motor 11, the other end of the swing rod 12 is fixedly connected with the first end of the extension rod 61, and the swing rod 12 and the extension rod 61 are vertically arranged; the two ends of the swing link lever 6 are respectively provided with a movable shaft sleeve 60, the second end of the extension rod 61 is movably inserted into the corresponding movable shaft sleeve 60, and the swing link lever 6 is pivoted to the needle frame 16 through the other movable shaft sleeve 60. The swing type needle frame deviation structure has the advantages of being few in connecting piece number and high in precision, the deviation speed of a threading needle can be increased, and pattern sewing with the lower needle number being more dense is achieved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a pattern sewing machine, includes controlling means (21), sewing platform (3) and is fixed in sewing machine head (2) on sewing platform (3) surface, and sewing platform (3) are equipped with and hold in the palm material bed plate (31), hold in the palm material bed plate (31) and are equipped with vertical feeding mechanism, its characterized in that: a needle frame (16) used for assembling threading needles is arranged in the sewing machine head (2), the needle frame (16) is positioned right above the material supporting base plate (31), and the needle frame (16) is movably arranged and connected with the needle frame (16); needle frame (16) are connected with inclined to one side actuating mechanism, and inclined to one side actuating mechanism includes one inclined to one side driving motor (11) and link structure, and inclined to one side driving motor (11) passes through link structure transmission and connects needle frame (16), inclined to one side driving motor (11) and vertical feeding mechanism electricity respectively connects controlling means (21) to realize the continuous transform and the style stitch seam of the lower needle position of threading needle.

2. A pattern sewing machine according to claim 1, characterized in that: the needle frame (16) is movably arranged on the sewing machine head (2) along the transverse direction; the connecting rod structure comprises a swing rod (12), a first connecting rod (13), a second connecting rod (14) and a third connecting rod (15), one end of the swing rod (12) is fixedly connected to an output shaft of the deviation driving motor (11), the other end of the swing rod (12) is connected with one end of the first connecting rod (13) through a chain shaft, the other end of the first connecting rod (13) is connected with one end of the second connecting rod (14) through another chain shaft, the two chain shafts are arranged in parallel, the other end of the second connecting rod (14) is fixedly connected to the third connecting rod (15), the second connecting rod (14) and the third connecting rod (15) are arranged vertically, and the end part of the third connecting rod (15) is fixedly connected with a needle frame (16).

3. A pattern sewing machine as claimed in claim 2, characterized in that: an output shaft sleeve (121) is formed at the top of the swing rod (12), an opening is formed in the side portion of the output shaft sleeve (121), locking convex portions protruding in the radial direction are formed on the upper side and the lower side of the opening respectively, and the two locking convex portions are connected through bolts to form an output shaft fastening connection structure (122); a flat swing rod body (123) is formed at the bottom of the output shaft sleeve (121), and a shaft hole (140) for assembling the chain shaft is formed at the end part of the swing rod body (123).

4. A pattern sewing machine according to claim 3, characterized in that: the first connecting rod (13) comprises a first half rod (131) and a second half rod (132), the first half rod (131) and the second half rod (132) respectively comprise half rod bodies with the same structure, a chain shaft mounting part (133) is arranged at one end of each half rod body, a half rod connecting part (130) is arranged at the other end of each half rod body, the chain shaft mounting parts (133) are arranged in an oblate shape, another shaft hole (140) is formed in the center of each chain shaft mounting part (133), and the shaft holes (140) of the first half rods (131) are connected with the shaft holes (140) of the rod bodies through chain shafts; the half-rod connecting part (130) comprises a convex shoulder ring body protruding out of the outer surface of the half-rod body, a half-rod connecting threaded hole is formed in the center of the convex shoulder ring body, the convex shoulder ring body is respectively formed between the half-rod connecting threaded holes of the two convex part ring bodies of the first half-rod (131) and the second half-rod (132) and connected through a double-headed bolt, and the assembling surfaces of the two convex part ring bodies are mutually abutted and matched.

5. A pattern sewing machine according to claim 4, characterized in that: the end face of one end of the second connecting rod (14) is provided with another shaft hole (140), and the shaft hole (140) is connected with the shaft hole (140) of the second half rod (132) through another chain shaft; the other end of the second connecting rod (14) is provided with a sleeve (141), the sleeve (141) is movably sleeved on the third connecting rod (15), at least one locking thread opening (1410) which penetrates through the inside and the outside is formed in the sleeve (141), a locking bolt is installed on the locking thread opening (1410) in a threaded mode, and the inner side end of the locking bolt movably abuts against the surface of the third connecting rod (15).

6. A pattern sewing machine according to claim 5, characterized in that: the third connecting rod (15) comprises a polished rod, and the sleeve (141) is sleeved at the middle position of the polished rod; the inside of sewing machine head (2) is equipped with two linear bearing (10), and these two linear bearing (10) are located the left and right sides of sewing machine head (2) respectively to these two linear bearing (10) coaxial alignment sets up, and the both sides of polished rod slide respectively and insert and locate corresponding linear bearing (10).

7. A pattern sewing machine according to claim 6, characterized in that: the top of the needle frame (16) is provided with a connecting sleeve (161), and the end part of the polish rod is inserted into the connecting sleeve (161); the connecting sleeve (161) is provided with at least one upper limiting pin hole which penetrates through the inside and the outside, the end part of the polished rod is provided with a lower limiting pin hole, when the polished rod is inserted into the connecting sleeve (161), the lower limiting pin hole is concentrically matched with the upper limiting pin hole, and the lower limiting pin hole is connected with the upper limiting pin hole through a pin rod, so that the needle frame (16) is fixedly connected with the polished rod.

8. A pattern sewing machine according to claim 7, characterized in that: the bottom of the needle frame (16) is provided with a needle inserting rod (162) for inserting a sewing needle, the bottom of the needle inserting rod (162) is provided with a needle inserting groove matched with the sewing needle, and a sewing needle locking structure is arranged.

9. A pattern sewing machine according to claim 1, characterized in that: the top of the needle frame (16) is pivoted with the sewing machine head (2); the deviation driving mechanism comprises a swing rod (12), an extension rod (61) and a swing connecting rod (6), wherein the first end of the swing rod (12) is fixedly connected to an output shaft of the deviation driving motor (11), the other end of the swing rod (12) is fixedly connected with the first end of the extension rod (61), and the swing rod (12) and the extension rod (61) are vertically arranged; the two ends of the swinging connecting rod (6) are respectively provided with a movable shaft sleeve (60), the second end of the extension rod (61) is movably inserted in the corresponding movable shaft sleeve (60), and the swinging connecting rod (6) is pivoted with the needle frame (16) through the other movable shaft sleeve (60).

10. A pattern sewing machine according to any one of claims 1 to 9, characterized in that: the deviation driving motor (11) comprises a stepping motor or a servo motor.