CN214300655U

CN214300655U - Sewing device

Info

Publication number: CN214300655U
Application number: CN202023234320.3U
Authority: CN
Inventors: 陈中华
Original assignee: Changzhou Zhigu Electrical And Mechanical Technology Co ltd
Current assignee: Changzhou Zhigu Electrical And Mechanical Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a make up device, its main points are: comprises an upper machine head, a presser foot mechanism, a lockstitch machine base and a rotating shuttle driving motor. The rotating shuttle driving motor is fixedly arranged on the rear part of the flat seamer base, and the rotating shuttle is driven to rotate by directly driving a lower shaft in the flat seamer base through the rotating shuttle driving motor. The presser foot mechanism comprises a presser foot, a presser foot rod, a driving seat, a transmission assembly and a presser foot lifting cylinder. The presser foot is fixedly arranged on the lower end of the presser foot rod, and the presser foot rod is arranged in the front part of the machine shell of the upper machine head in a vertically sliding manner. The driving seat is fixedly arranged on the upper part of the presser foot rod. The pressure foot is driven by the driving shaft of the upper machine head to move along with the up-and-down movement of the needle through the transmission component.

Description

Sewing device

Technical Field

The utility model relates to a clothing sewing machine technical field, concretely relates to make up device that is used for pocket machine such as jeans.

Background

The automatic pocket patching machine carries out cold folding and folding of pocket-shaped ironing-free cold through a folder, a pocket sheet is placed on a pocket-shaped template, two corners of two sides, the front part and the root part of the pocket sheet of the pocket are folded through a folding knife on a pocket folding frame of the folder, the pocket folding frame and the pocket template have a simultaneous falling action at the moment, the folded pocket is buckled and pressed on a working table surface, the folded pocket is moved to the upper part of the pocket template downwards by a feeding pressing plate or a receiving pressing plate after the folding knife of the pocket folding frame is retracted and removed from a working area, the folded pocket is finally retracted, meanwhile, the whole pocket folding mechanism ascends and resets to finish a pocket folding process, and then folded pocket cloth and large cloth are sent to a sewing device through a corresponding feeding device to be sewn. At present, a sewing device of the pocket patching machine adopts a head of a pattern sewing machine, and the head of the sewing machine is detached and is arranged on the pocket patching machine after the pattern sewing machine is bought back, so that the cost is too high. The flat sewing machine generally comprises a flat sewing machine head and a flat sewing machine base which are generally connected into a whole, a motor, a main shaft transmission mechanism and a needle rod are arranged on the flat sewing machine head, a rotating shuttle mechanism is arranged on the flat sewing machine base, the motor drives the needle rod to drive a needle to move up and down linearly through the main shaft transmission mechanism, the motor drives the rotating shuttle of the rotating shuttle mechanism to rotate through the main shaft transmission mechanism and the corresponding transmission mechanism, and the needle and the rotating shuttle are matched for sewing. The flat sewing machine is characterized in that a presser foot of the cloth feeding mechanism is further arranged on the flat sewing machine head, a cloth feeding tooth of the cloth feeding mechanism is arranged on the flat sewing machine base, the presser foot of the cloth feeding mechanism presses cloth, the cloth is raked by the cloth feeding tooth, and after the knotting of each stitch is completed, the sewn cloth can move regularly in one direction so as to form the next stitch. The flat sewing machine head has simple structure and low price compared with a pattern sewing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, can reduce cost's a make up device for pocket machine.

Realize the utility model discloses the basic technical scheme of purpose is: a sewing device is structurally characterized in that: comprises an upper machine head, a presser foot mechanism, a lockstitch machine base and a rotating shuttle driving motor. The rotating shuttle driving motor is fixedly arranged on the rear part of the flat seamer base, and the rotating shuttle is driven to rotate by directly driving a lower shaft in the flat seamer base through the rotating shuttle driving motor. The presser foot mechanism comprises a presser foot, a presser foot rod, a driving seat, a transmission assembly and a presser foot lifting cylinder. The presser foot is fixedly arranged on the lower end of the presser foot rod, and the presser foot rod is arranged in the front part of the machine shell of the upper machine head in a vertically sliding manner. The driving seat is fixedly arranged on the upper part of the presser foot rod. The pressure foot is driven by the driving shaft of the upper machine head to move along with the up-and-down movement of the needle through the transmission component.

The technical scheme based on the basic technical scheme is as follows: the transmission assembly comprises a driven shaft, an eccentric wheel, a rocker arm and a rocker arm seat. The driven shaft is rotatably arranged in the left part of the front part of the machine shell of the upper machine head and is parallel to the driving shaft of the upper machine head. The driving shaft drives the driven shaft to rotate through a corresponding synchronous belt and a synchronous pulley mechanism. The eccentric wheel is fixedly arranged at the front end of the driven shaft. The left end of the rocker arm is rotatably arranged on the eccentric wheel through a corresponding bearing, so that the eccentric wheel drives the rocker arm to reciprocate. The right rocker arm drives the presser foot to move up and down.

The technical scheme based on the corresponding technical scheme is as follows: the presser foot mechanism further comprises a support assembly. The rocker arm seat of the transmission assembly is integrally triangular, the right end of the rocker arm is hinged to the upper part of the rocker arm seat, and the hinge axis of the rocker arm is parallel to the axis of the driven shaft. The supporting component comprises a supporting seat, a supporting rod and an adjusting rod. The supporting seat is fixedly arranged on the front part of the shell of the upper machine head, the supporting rod is arranged in the front part of the shell of the upper machine head in a sliding mode through a corresponding rod sleeve, the upper end of the supporting rod is hinged to the left part of the lower part of the rocker arm seat, and the hinged axis of the supporting rod is parallel to the axis of the driven shaft. The lower part of the adjusting rod is provided with external threads, and the upper part of the adjusting rod is arranged in the lower part of the rod sleeve of the supporting rod in a sliding way and props against the lower end of the supporting rod from bottom to top. The adjusting rod is screwed in the supporting seat through external threads at the lower part of the adjusting rod, the lower part of the adjusting rod downwards extends out of the supporting seat, and a locknut is screwed on the part extending out of the supporting seat.

The technical scheme based on the corresponding technical scheme is as follows: the presser foot mechanism further comprises a guide assembly. The rocker arm seat of the transmission assembly is integrally triangular, the right end of the rocker arm is hinged to the upper part of the rocker arm seat, and the hinge axis of the rocker arm is parallel to the axis of the driven shaft. The guide assembly comprises a guide seat, a sliding block and a connecting rod. The guide holder is fixedly arranged in the front part of the machine shell of the upper machine head and positioned on the right side of the supporting component, and the guide holder is provided with a sliding groove which is provided with a backward opening and penetrates through the upper part and the lower part of the guide holder. The slide block is arranged in the sliding groove of the guide seat in a sliding manner. The upper end of the connecting rod is hinged on the right part of the lower part of the rocker arm seat, and the hinge axis of the connecting rod is parallel to the axis of the driven shaft. The slide block, the connecting rod and the driving seat are in transmission connection.

The utility model discloses following beneficial effect has: (1) the utility model discloses a make up the device and realize through the simple transformation to current flush joint aircraft nose, the utility model discloses a make up the device and be applied to the pocket patching machine and can reduce the manufacturing cost of pocket patching machine by a wide margin. The flat sewing machine head and the flat sewing machine base are separated, so that when the flat sewing machine head and the flat sewing machine base are applied to a pocket patching machine, a feeding device is not limited, a larger cloth piece moving range is realized, and a sewing range is increased.

(2) The utility model discloses a make up device during operation, the up-and-down motion and the up-and-down motion of presser foot random needle, when the needle contacts with the cloth, the presser foot falls down and pushes down the cloth on the cloth, when the needle leaves the cloth, the presser foot also lifts up along with it, and the department is made up to next needle to the material feeding unit's of pocket patching machine drive cloth this moment. When the machine needle is sewn downwards again, the presser foot descends along with the machine needle to press the cloth, so that the presser foot always presses the cloth in the sewing process, the sewing smoothness is improved, and stitches are more neat and attractive.

(3) The utility model discloses a make up the device and be equipped with supporting component to can adjust the fulcrum position of rocking arm seat, the stroke when realizing the presser foot up-and-down motion is adjusted, adapts to making up of the cloth of different thickness, and the range of application is wide.

Drawings

Fig. 1 is a schematic structural view of the sewing device of the present invention.

Fig. 2 is a right-side schematic view of fig. 1.

Fig. 3 is a schematic view as viewed from the upper right front of fig. 1.

Fig. 4 is a schematic view of the transmission structure of the presser foot as viewed from the upper right rear side of fig. 1.

Fig. 5 is a schematic view of the transmission structure of the presser foot as viewed from the upper left front of fig. 1.

The upper machine head 1 is provided with a machine head,

a presser foot mechanism (2) for pressing the workpiece,

a presser foot 2-1, a presser foot rod 2-2, a driving seat 2-3,

a transmission component 2-4, a driven shaft 2-41, an eccentric wheel 2-42, a rocker arm 2-43, a rocker arm seat 2-44,

a supporting component 2-5, a supporting seat 2-51, a supporting rod 2-52, an adjusting rod 2-53,

a guide component 2-6, a guide seat 2-61, a slide block 2-62, a connecting rod 2-63,

pressure foot lifting cylinder 2-7

A lockstitch sewing machine base 3 is provided,

the rotary hook drives a motor 4.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.

(example 1)

Referring to fig. 1 to 5, the sewing device of the present invention includes an upper head 1, a presser foot mechanism 2, a lockstitch sewing machine base 3, and a rotating shuttle driving motor 4.

Referring to fig. 1 to 5, the upper machine head 1 adopts a flat seamer head part of the existing flat seamer, the flat seamer base 3 adopts a flat seamer base part of the existing flat seamer, namely, the flat seamer head and the flat seamer base of the existing integrated flat seamer are cut into two independent parts, and a transmission mechanism between the flat seamer head and a rotating shuttle mechanism of the flat seamer base is eliminated. The rotating shuttle driving motor 4 is fixedly arranged on the rear part of the lockstitch sewing machine base 3, the rotating shuttle is driven to rotate by directly driving a lower shaft in the lockstitch sewing machine base 3 through the rotating shuttle driving motor 4, and the synchronization with a lockstitch sewing machine head is realized through electric control. The lockstitch sewing machine base cancels the feed dog.

Referring to fig. 1 to 5, the presser foot mechanism 2 comprises a presser foot 2-1, a presser foot rod 2-2, a driving seat 2-3, a transmission assembly 2-4, a support assembly 2-5, a guide assembly 2-6 and a presser foot lifting cylinder 2-7. The presser foot 2-1 is fixedly arranged on the lower end of the presser foot rod 2-2, and the presser foot rod 2-2 is arranged in the front part of the machine shell 1-1 of the upper machine head 1 in a vertically sliding manner through a corresponding presser foot rod sleeve. The driving seat 2-3 is fixedly arranged on the upper part of the presser foot rod 2-2. The presser foot lifting cylinder 2-7 drives the driving seat 2-3 to be lifted upwards or put downwards through the original transmission mechanism of the upper machine head 1, so that the cloth can be conveniently fed below the presser foot. The transmission assembly 2-4 comprises a driven shaft 2-41, an eccentric wheel 2-42, a rocker arm 2-43 and a rocker arm seat 2-44. The driven shaft 2-41 is rotatably arranged in the left part of the front part of the machine shell 1-1 of the upper machine head 1 and is parallel to the driving shaft 1-2 of the upper machine head 1. The driven shafts 2-41 are driven to rotate by the driving shafts 1-2 through corresponding synchronous belts and synchronous belt wheel mechanisms. The eccentric wheel 2-42 is fixedly arranged on the front end of the driven shaft 2-41. The left end of the rocker arm 2-43 is rotatably arranged on the eccentric wheel 2-42 through a corresponding bearing, so that the rocker arm 2-43 is driven by the eccentric wheel 2-42 to reciprocate. The rocker arm seat 2-44 is in a triangle shape as a whole, the right end of the rocker arm 2-43 is hinged on the upper part of the rocker arm seat 2-44, and the hinge axis of the rocker arm 2-43 is parallel to the axis of the driven shaft 2-41.

The supporting component 2-5 comprises a supporting seat 2-51, a supporting rod 2-52 and an adjusting rod 2-53. The supporting seat 2-51 is fixedly arranged on the front part of the machine shell 1-1 of the upper machine head 1, the supporting rod 2-52 is arranged in the front part of the machine shell 1-1 of the upper machine head 1 in a sliding way through a corresponding rod sleeve, the upper end of the supporting rod 2-52 is hinged on the left part of the lower part of the rocker arm seat 2-44, and the hinge axis of the supporting rod is parallel to the axis of the driven shaft 2-41. The lower part of the adjusting rod 2-53 is provided with external threads, and the upper part of the adjusting rod 2-53 is arranged in the lower part of the rod sleeve of the supporting rod 2-52 in a sliding way and props against the lower end of the supporting rod 2-52 from bottom to top. The adjusting rod 2-53 is screwed in the supporting seat 2-51 through the external thread at the lower part, the lower part extends out of the supporting seat 2-51 downwards, and the part extending out of the supporting seat 2-51 is screwed with a locknut, so that the position of the fulcrum of the rocker arm seat 2-44 is changed through the adjusting rod 2-53, and the stroke of the presser foot during the up-and-down movement is realized.

The guide assembly 2-6 comprises a guide seat 2-61, a slide block 2-62 and a connecting rod 2-63. The guide seat 2-61 is fixedly arranged in the front part of the machine shell 1-1 of the upper machine head 1 and is positioned at the right side of the supporting component 2-5, and the guide seat 2-61 is provided with a sliding groove which is provided with a backward opening and penetrates through the upper part and the lower part of the guide seat. The sliding blocks 2-62 are arranged in the sliding grooves of the guide seats 2-61 in a sliding mode. The upper end of the connecting rod 2-63 is hinged on the right part of the lower part of the rocker arm seat 2-44, and the hinge axis of the connecting rod is parallel to the axis of the driven shaft 2-41. The sliding block 2-62, the connecting rod 2-63 and the driving seat 2-3 are in coaxial transmission connection, so that the connecting rod 2-63 drives the driving seat 2-3 to move up and down, and the sliding block 2-62 plays a role in guiding and stabilizing.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A sewing device is characterized in that: comprises an upper machine head, a presser foot mechanism, a lockstitch machine base and a rotating shuttle driving motor; the rotating shuttle driving motor is fixedly arranged on the rear part of the lockstitch sewing machine base, and the rotating shuttle is driven to rotate by directly driving a lower shaft in the lockstitch sewing machine base through the rotating shuttle driving motor; the presser foot mechanism comprises a presser foot, a presser foot rod, a driving seat, a transmission assembly and a presser foot lifting cylinder; the presser foot is fixedly arranged on the lower end of the presser foot rod, and the presser foot rod is arranged in the front part of the machine shell of the upper machine head in a vertically sliding manner; the driving seat is fixedly arranged on the upper part of the presser foot rod; the pressure foot is driven by the driving shaft of the upper machine head to move along with the up-and-down movement of the needle through the transmission component.

2. The sewing apparatus of claim 1, wherein: the transmission assembly comprises a driven shaft, an eccentric wheel, a rocker arm and a rocker arm seat; the driven shaft is rotatably arranged in the left part of the front part of the machine shell of the upper machine head and is parallel to the driving shaft of the upper machine head; the driving shaft drives the driven shaft to rotate through a corresponding synchronous belt and a synchronous belt wheel mechanism; the eccentric wheel is fixedly arranged at the front end of the driven shaft; the left end of the rocker arm is rotatably arranged on the eccentric wheel through a corresponding bearing, so that the eccentric wheel drives the rocker arm to reciprocate; the right rocker arm drives the presser foot to move up and down.

3. The sewing apparatus of claim 2, wherein: the presser foot mechanism further comprises a support assembly; the rocker arm seat of the transmission assembly is integrally triangular, the right end of the rocker arm is hinged to the upper part of the rocker arm seat, and the hinge axis of the rocker arm is parallel to the axis of the driven shaft; the supporting component comprises a supporting seat, a supporting rod and an adjusting rod; the supporting seat is fixedly arranged on the front part of the shell of the upper machine head, the supporting rod is arranged in the front part of the shell of the upper machine head in a sliding manner through a corresponding rod sleeve, the upper end of the supporting rod is hinged to the left part of the lower part of the rocker arm seat, and the hinge axis of the supporting rod is parallel to the axis of the driven shaft; the lower part of the adjusting rod is provided with external threads, and the upper part of the adjusting rod is arranged in the lower part of the rod sleeve of the supporting rod in a sliding manner and props against the lower end of the supporting rod from bottom to top; the adjusting rod is screwed in the supporting seat through external threads at the lower part of the adjusting rod, the lower part of the adjusting rod downwards extends out of the supporting seat, and a locknut is screwed on the part extending out of the supporting seat.

4. The sewing apparatus of claim 2, wherein: the presser foot mechanism further comprises a guide assembly; the rocker arm seat of the transmission assembly is integrally triangular, the right end of the rocker arm is hinged to the upper part of the rocker arm seat, and the hinge axis of the rocker arm is parallel to the axis of the driven shaft; the guide assembly comprises a guide seat, a sliding block and a connecting rod; the guide seat is fixedly arranged in the front part of the shell of the upper machine head and positioned on the right side of the supporting assembly, and the guide seat is provided with a sliding groove which is provided with a backward opening and penetrates through the upper part and the lower part of the guide seat; the sliding block is arranged in the sliding groove of the guide seat in a sliding manner; the upper end of the connecting rod is hinged to the right part of the lower part of the rocker arm seat, and the hinge axis of the connecting rod is parallel to the axis of the driven shaft; the slide block, the connecting rod and the driving seat are in transmission connection.