CN213866778U

CN213866778U - Flush joint machine

Info

Publication number: CN213866778U
Application number: CN202022765781.7U
Authority: CN
Inventors: 杨东东
Original assignee: Hangzhou Lingjie Lace Belt Co ltd
Current assignee: Hangzhou Lingjie Lace Belt Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The application relates to a flat sewing machine, which comprises a bottom plate and a machine head arranged on the bottom plate, wherein a presser foot is arranged on the machine head, a shearing mechanism for cutting off a spinning thread between the presser foot and a sewing material is arranged on the machine head, the shearing mechanism comprises two cutting components which are arranged along the axial line central symmetry of the machine head in the vertical direction, each cutting component comprises an installation shell connected with the machine head, a cutter which is arranged on the installation shell and arranged horizontally and a driving component which is arranged in the installation shell and used for driving the cutter to rotate, and two cutters in the two cutting components can cut off the spinning thread between the presser foot and the sewing material under the respective driving of the two driving components; and the machine head is provided with a lifting assembly for driving the two cutting assemblies to lift along the vertical direction. This application has the effect that improves staff work efficiency.

Description

Flush joint machine

Technical Field

The application relates to the technical field of sewing machines, in particular to a flat sewing machine.

Background

The sewing machine is widely applied in the current clothing manufacturing industry and is also indispensable equipment in the sewing manufacturing industry.

At present, after sewing materials of a traditional sewing machine are finished, a presser foot of the sewing machine needs to be controlled to be lifted, the sewing materials are withdrawn, but the sewing materials are connected with a spinning thread on the sewing machine, and a worker needs to cut the spinning thread by holding scissors with hands.

The staff operates extremely inconveniently like this, wastes a lot of time, inefficiency.

Disclosure of Invention

In order to improve staff's work efficiency, this application provides a flush joint machine.

The application provides a flush joint machine adopts following technical scheme:

a flat sewing machine comprises a bottom plate and a machine head arranged on the bottom plate, wherein a presser foot is arranged on the machine head, a cutting mechanism for cutting a spinning thread between the presser foot and a sewing material is arranged on the machine head, the cutting mechanism comprises two cutting assemblies which are arranged along the axial line of the machine head in the vertical direction in a central symmetry manner, each cutting assembly comprises a mounting shell connected with the machine head, a cutter which is arranged on the mounting shell and arranged horizontally and a driving assembly which is arranged in the mounting shell and used for driving the cutter to rotate, and two cutters in the two cutting assemblies can cut the spinning thread between the presser foot and the sewing material under the respective driving of the two driving assemblies;

and the machine head is provided with a lifting assembly for driving the two cutting assemblies to lift along the vertical direction.

Through adopting above-mentioned technical scheme, after the staff uses the flush joint machine to finish sewing material sewing, start lifting unit, lifting unit drives two and cuts off the subassembly downstream, until two cutter levels just to the presser foot with the sewing material between the spinning thread can, then start drive assembly, drive assembly drives two cutters and rotates, until two cutters cut off the spinning thread between presser foot and the sewing material, then reverse start drive assembly, drive two cutters antiport, get back to initial separation state until two cutters, then reverse start lifting unit, drive two and cut off the subassembly rebound, it can to get back to initial position until two cut off the subassembly, the staff need not oneself use the scissors to cut off the direction between presser foot and the sewing material, and then improved staff's work efficiency.

Optionally, the driving assembly comprises a rotating shaft connected to the installation shell in a rotating mode in the vertical direction and a driving motor arranged on the installation shell and used for driving the rotating shaft to rotate, the rotating shaft is perpendicular to the cutter, and a connecting assembly detachably connected with the cutter is arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, when using drive assembly drive cutter to rotate, start driving motor, driving motor drives the axis of rotation and rotates, and the axis of rotation drives the cutter and rotates, can realize being close to each other or keeping away from of two cutters, has realized the function of cutting off to the spinning between presser foot and the seam material, and the cutter passes through coupling assembling and can dismantle with the axis of rotation and be connected, has made things convenient for the staff to dismantle the cutter, maintains the cutter.

Optionally, the connecting assembly includes a bearing plate vertically connected with the lower end of the rotating shaft and used for bearing the cutter, a positioning rod vertically fixed on the bearing plate and penetrating through the cutter, a pressing plate arranged in parallel with the bearing plate and used for the positioning rod to penetrate through, and a nut connected with the positioning plate through a thread and used for pressing the pressing plate downwards, and a through hole used for the positioning rod to penetrate through is formed in the position of the cutter opposite to the positioning rod.

Through adopting above-mentioned technical scheme, when needs are safeguarded the cutter separation axis of rotation, twist the nut to the direction of keeping away from the clamp plate soon, break away from the locating lever until the nut, then upwards remove the locating lever with the clamp plate, then upwards remove the cutter from the bearing board can, the cutter is maintained, when the cutter maintenance finishes needs the installation, make the through-hole on the cutter just right the locating lever earlier, then place the cutter on the bearing board, then put down the clamp plate along the locating lever downwards, select into on the locating lever with the nut at last, and make the nut compress tightly the clamp plate downwards can, the staff's installation and dismantlement cutter have been made things convenient for, so that maintain the cutter.

Optionally, a rubber pad is arranged on the lower end face of the pressing plate.

Through adopting above-mentioned technical scheme, set up the rubber pad at the lower terminal surface of clamp plate, reduce the clamp plate to the damage that the cutter produced.

Optionally, the lifting assembly comprises a fixing plate vertically connected with the machine head and horizontally arranged, a connecting seat arranged to slide along the vertical direction with the fixing plate and used for fixing the two mounting shells, a rack fixed on the fixing plate along the vertical direction, a gear rotatably arranged on the connecting seat and kneaded with the rack teeth, and a lifting motor arranged on the connecting seat and driving the gear to rotate.

Through adopting above-mentioned technical scheme, on using lifting unit to go up and down to cutting off the subassembly, start elevator motor, elevator motor drives the gear and rotates, and the gear removes along vertical direction under the restriction of rack, and then drives

Optionally, a limiting rod which penetrates through the connecting seat in a sliding manner is vertically and fixedly arranged on the fixing plate.

Through adopting above-mentioned technical scheme, set up the gag lever post, improved the stability that the connecting seat goes up and down along vertical direction.

Optionally, the lifting assembly further comprises a connecting plate located above the fixing plate and arranged in parallel with the fixing plate, the connecting plate is vertically connected with the machine head, and the lower end face of the connecting plate is fixedly connected with the upper end portion of the rack and the upper end portion of the limiting rod.

Through adopting above-mentioned technical scheme, set up the connecting plate, fix the upper end of rack and gag lever post, improved the stability of rack and gag lever post, and then improved lifting unit's stability.

Optionally, the connecting seat is a U-shaped seat, the two ends of the U-shaped seat extend to form connecting blocks, the mounting shell is provided with connecting groove blocks for inserting the connecting blocks at positions opposite to the connecting blocks, and the connecting blocks are inserted into the connecting groove blocks and fixedly connected through bolts.

Through adopting above-mentioned technical scheme, the connecting seat can be dismantled with the installation shell and be connected, make things convenient for the staff to dismantle the maintenance to cutting off the subassembly, when needs will install the shell and tear the connecting seat open, the bolt is unloaded to the pine, will install the connection groove piece on the shell remove the connecting block can, when needs will install the shell and fix on the connecting seat, make the connecting groove piece just to the connecting block, make in the connecting block inserts the connecting groove piece, then can with the bolt fastening, made things convenient for the staff to dismantle and install connecting seat and installation shell.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the cutting assembly and the driving assembly, the spinning thread between the presser foot and the sewing material is automatically cut off, so that the working efficiency of workers is improved;

2. by arranging the connecting assembly, the cutter is convenient for workers to maintain;

3. the connecting seat can be dismantled with the installation shell and be connected, makes things convenient for the staff to dismantle and install the installation shell, and then makes things convenient for the staff to maintain the disconnected subassembly.

Drawings

Fig. 1 is an overall view of an embodiment of the present application.

Fig. 2 is a structural view showing a head and a cutting mechanism in an embodiment of the present application.

Fig. 3 is a structural view showing a cutting mechanism and a lifting unit in the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a base plate; 2. a machine head; 21. a presser foot; 3. a shearing mechanism; 4. cutting off the assembly; 41. mounting a shell; 42. a cutter; 43. a drive assembly; 431. a rotating shaft; 432. a drive motor; 5. a connecting assembly; 51. a support plate; 52. positioning a rod; 53. pressing a plate; 54. a nut; 55. a rubber pad; 6. a lifting assembly; 61. a fixing plate; 62. a connecting plate; 63. a connecting seat; 631. a U-shaped seat; 632. connecting blocks; 633. connecting the groove blocks; 634. a bolt; 64. a rack; 65. a gear; 66. a lifting motor; 7. a limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a flat sewing machine. Referring to fig. 1 and 2, the flat seamer comprises a bottom plate 1 and a machine head 2 arranged on the bottom plate 1, a presser foot 21 is arranged on the machine head 2, a shearing mechanism 3 and a lifting assembly 6 are further arranged on the machine head 2, the shearing mechanism 3 comprises two cutting assemblies 4, the two cutting assemblies 4 are symmetrically arranged along the axis center of the machine head 2 in the vertical direction, the vertical plane where the two cutting assemblies 4 are located is perpendicular to the feeding plane of a sewing material, the two cutting assemblies 4 are used for cutting off a spinning thread between the presser foot 21 and the sewing material, and the lifting assembly 6 controls the two cutting assemblies 4 to lift in the vertical direction.

As shown in fig. 2 and 3, the cutting assembly 4 includes a mounting shell 41, a cutting knife 42 and a driving assembly 43, the lifting assembly 6 includes a fixing plate 61, a connecting plate 62, a connecting seat 63, a rack gear 64, a gear 65 and a lifting motor 66, the fixing plate 61 is adhesively fixed on the head 2 along the horizontal direction, the fixing plate 61 is located on the back of the working head 2 operated by the worker, the connecting plate 62 is adhesively fixed on the head 2 parallel to the fixing plate 61, the connecting plate 62 is located above the fixing plate 61, the connecting seat 63 is slidably arranged between the fixing plate 61 and the connecting plate 62 along the vertical direction, the connecting seat 63 is provided as a U-shaped seat 631, two ends of the U-shaped seat 631 are detachably connected with the mounting shell 41 of the two cutting assemblies 4 respectively, the rack gear 64 is fixedly connected between the fixing plate 61 and the connecting plate 62 along the vertical direction, the gear 65 is rotatably arranged on the U-shaped seat 631, and the gear 65 is engaged with the rack gear 64, the lifting motor 66 is fixedly arranged in the U-shaped seat 631, and an output shaft of the lifting motor 66 is coaxially and fixedly connected with the gear 65.

The driving assembly 43 comprises a rotating shaft 431 and a driving motor 432, the rotating shaft 431 penetrates through the installation shell 41 in a rotating mode in the vertical direction, the upper end of the rotating shaft 431 penetrates through the upper end portion of the installation shell 41, the lower end of the rotating shaft 431 extends out of the installation shell 41, the cutter 42 is detachably connected with the lower end portion of the rotating shaft 431, the driving motor 432 is fixed at the upper end portion of the installation shell 4 and is fixedly connected with the rotating shaft 431 in a coaxial mode, when the cutting assembly 4 is in a non-use state, the two cutters 42 are far away from each other, when the cutting assembly 4 is needed to cut off a spinning thread between the presser foot 21 and a sewing material, the driving assembly 43 is started, the driving motor 432 drives the rotating shaft 431 to rotate, the rotating shaft 431 drives the two cutters 42 to rotate oppositely until the two cutters 42 are tangent, and the spinning thread is cut off.

As shown in fig. 3 and 4, the lower end portion of the rotating shaft 431 is provided with a coupling assembly 5 for coupling the cutting knife 42, the coupling assembly 5 includes a support plate 51, a positioning rod 52, a pressing plate 53 and a nut 54, the support plate 51 is vertically fixed to the lower end portion of the rotating shaft 431, the bearing plate 51 is horizontally arranged, the positioning plate is vertically and fixedly arranged in the middle of the upper end surface of the bearing plate 51, the pressing plate 53 is arranged in parallel with the bearing plate, the pressing plate 53 is provided with a yielding hole for the positioning rod 52 to vertically pass through, the nut 54 is in threaded connection with the positioning rod 52, the cutter 42 is arranged on the bearing plate 51, and the position of the cutter 42 opposite to the positioning rod 52 is provided with a through hole for the positioning rod 52 to pass through, the nut 54 presses the pressing plate 53 down, the cutter 42 is clamped between the bearing plate 51 and the pressing plate 53, in order to reduce the damage of the cutter 42 caused by the pressing plate 53, a rubber pad 55 is adhered to the lower end surface of the pressing plate 53.

As shown in fig. 3, a vertically arranged limiting rod 7 is further arranged between the fixing plate 61 and the connecting plate 62, two ends of the limiting rod 7 are respectively fixed on the fixing plate 61 and the connecting plate 62, the limiting rod 7 penetrates through the connecting seat 63 in a sliding manner along the vertical direction, a guiding effect is provided for the connecting seat 63 to lift along the vertical direction, and the lifting stability of the connecting seat 63 is improved.

The both ends of U type seat 631 extend respectively and are provided with connecting block 632, and installation shell 41 is provided with the connection tank 633 that supplies connecting block 632 horizontal insertion just to the rigidity of connecting block 632, and connecting block 632 inserts connection tank 633 and passes through bolt 634 fixed connection, makes things convenient for bar staff's installation or dismantlement installation shell 41 to maintain cutting assembly 4.

The flat sewing machine of the embodiment of the application has the implementation principle that: after the worker finishes sewing the sewing material by using the flat bed sewing machine, the lifting assembly 6 is started, the lifting motor 66 drives the gear 65 to rotate, the gear 65 moves downwards under the limitation of the rack 64 until the two cutters 42 horizontally face the spinning line between the presser foot 21 and the sewing material, then the driving assembly 43 is started, the driving motor 432 drives the rotating shaft 431 to rotate, the rotating shaft 431 drives the two cutters 42 to rotate oppositely until the two cutters 42 cut off the spinning line between the presser foot 21 and the sewing material, then the driving assembly 43 is started reversely to drive the two cutters 42 to rotate until the two cutters 42 return to the initial separation state, then the lifting assembly 6 is started reversely to drive the two cutting assemblies 4 to move upwards until the two cutting assemblies 4 return to the initial positions.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a flush joint machine, includes bottom plate (1) and aircraft nose (2) of setting on bottom plate (1), be provided with presser foot (21) on aircraft nose (2), its characterized in that: the machine head (2) is provided with a shearing mechanism (3) for cutting off the spinning thread between the presser foot (21) and the sewing material, the shearing mechanism (3) comprises two cutting assemblies (4) which are arranged along the axial line central symmetry of the machine head (2) in the vertical direction, each cutting assembly (4) comprises a mounting shell (41) connected with the machine head (2), a cutter (42) which is arranged on the mounting shell (41) and is arranged horizontally and a driving assembly (43) which is arranged in the mounting shell (41) and is used for driving the cutter (42) to rotate, and the two cutters (42) of the two cutting assemblies (4) can cut off the spinning thread between the presser foot (21) and the sewing material under the respective driving of the two driving assemblies (43);

the machine head (2) is provided with a lifting assembly (6) for driving the two cutting assemblies (4) to lift along the vertical direction.

2. A lockstitch machine as claimed in claim 1, wherein: the driving assembly (43) comprises a rotating shaft (431) which is connected to the mounting shell (41) in a rotating mode in the vertical direction and a driving motor (432) which is arranged on the mounting shell (41) and drives the rotating shaft (431) to rotate, the rotating shaft (431) is perpendicular to the cutter (42) and is provided with a connecting assembly (5) which is detachably connected with the cutter (42).

3. A flat seamer as claimed in claim 2 wherein: the connecting assembly (5) comprises a bearing plate (51) which is vertically connected with the lower end part of the rotating shaft (431) and used for bearing the cutter (42), a positioning rod (52) which is vertically fixed on the bearing plate (51) and penetrates through the cutter (42), a pressing plate (53) which is arranged in parallel with the bearing plate (51) and used for the positioning rod (52) to penetrate through, and a nut (54) which is in threaded connection with the positioning plate and used for the pressing plate (53) to press down, wherein a through hole used for the positioning rod (52) to penetrate through is formed in the position, right opposite to the positioning rod (52), of the cutter (42).

4. A lockstitch machine according to claim 3, wherein: and a rubber pad (55) is arranged on the lower end surface of the pressing plate (53).

5. A lockstitch machine as claimed in claim 1, wherein: the lifting assembly (6) comprises a fixing plate (61) which is vertically connected with the machine head (2) and horizontally arranged, a connecting seat (63) which is arranged with the fixing plate (61) in a sliding mode along the vertical direction and used for fixing two mounting shells (41), a rack (64) which is fixed on the fixing plate (61) along the vertical direction, a gear (65) which is rotatably arranged on the connecting seat (63) and kneaded with teeth of the rack (64), and a lifting motor (66) which is arranged on the connecting seat (63) and drives the gear (65) to rotate.

6. A lockstitch machine according to claim 5, wherein: and a limiting rod (7) which penetrates through the connecting seat (63) in a sliding manner is vertically and fixedly arranged on the fixing plate (61).

7. A lockstitch machine according to claim 6, wherein: the lifting assembly (6) further comprises a connecting plate (62) which is located above the fixing plate (61) and arranged in parallel with the fixing plate (61), the connecting plate (62) is vertically connected with the machine head (2), and the lower end face of the connecting plate (62) is fixedly connected with the upper end portion of the rack (64) and the upper end portion of the limiting rod (7).

8. A lockstitch machine according to claim 5, wherein: connecting seat (63) set up to U type seat (631), the both ends of U type seat (631) extend respectively and are provided with connecting block (632), installation shell (41) just are provided with to supply connecting block (632) male connection groove piece (633) to the position of connecting block (632), connecting block (632) are inserted in connecting groove piece (633) and are passed through bolt (634) fixed connection.