CN216998831U

CN216998831U - Novel front trouser pocket welt sewing device

Info

Publication number: CN216998831U
Application number: CN202220371793.8U
Authority: CN
Inventors: 吴国溶
Original assignee: Shishi Zhongli Sewing Technology Co ltd
Current assignee: Shishi Zhongli Sewing Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-19
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to the technical field of sewing machines, and provides a novel front trouser pocket welt sewing device which comprises a machine base, a connecting plate, a machine head, a flanging frame, a welt pressing plate and a displacement transmission mechanism for driving the welt pressing plate to move and press cloth. The utility model solves the problem that the knitting needle of the existing novel front trouser pocket welt sewing device can not tightly cling to a welt pressing plate for sewing.

Description

Novel front trouser pocket welt sewing device

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a novel front trouser pocket welt sewing device.

Background

Trousers are one of the daily indispensable articles for use of people, trousers generally all have preceding trousers bag and back trousers bag, not only play the effect of carrying article, play the effect of decoration more, wherein an welt can be sewed up usually to the opening part of preceding trousers bag makes trousers bag border non-deformable and by wearing and tearing and play the decorative action, preceding trousers bag will sew up bag cloth, trousers piece and welt together earlier in the manufacture process, sew up welt turn-ups back in adjacent position department again, sew up like this and can make trousers piece and the deckle edge of welt hide, can make the welt after the turn-ups more level and more smooth. At present, the mode of manually sewing up the back flanging and then sewing up is often adopted for operation, so that not only is sewing efficiency low, but also the conditions of folds and different lengths of sewing lines can occur. Along with the development of sewing equipment, some devices which are manually fed and turned over and automatically sewn appear in the market, bag cloth, trousers pieces and welts are pressed and clamped to be conveyed to the lower part of a sewing machine for sewing, the sewing efficiency is greatly improved, the length of a sewing thread is unified, the problem that wrinkles still appear in manual turned-over edges is solved, the whole processing efficiency is influenced, and the actual requirements of manufacturers cannot be met. The trouser pocket welt stitching device is suitable for the operation, such as Chinese patent documents: CN202120103091.7 discloses an automatic flanging device for front trouser pocket welt stitching, which comprises a machine base, a connecting plate and a machine head, wherein the machine head comprises a press plate, the left side and the right side of the press plate are respectively backwards provided with an extension plate, the front end of the press plate is provided with a press groove, a welt press plate is arranged in the press groove, a welt press plate seat is arranged behind the press groove, a welt press plate cylinder is arranged on the connecting plate and connected with the welt press plate seat, a flanging frame is arranged in front of the welt press plate, the left end and the right end of the flanging frame are respectively backwards provided with a flanging connecting plate, the middle part of the flanging connecting plate is provided with a long hole, a gasket is arranged in the long hole, a flanging connecting and fixing plate is arranged above the flanging connecting plate, the flanging connecting and fixing plate is pressed on the gasket and connected with the press plate through a flanging connecting and fixing plate screw, a gap is formed between the flanging connecting and the press plate to enable the flanging connecting plate to slide along the direction of the long hole, a flanging cylinder is arranged on the extension plate, the flanging cylinder is connected with one end of the flanging connecting plate. Although the processing efficiency of the front trouser pocket is improved, when the welt pressing plate is loosened and lifted, the machine head is expanded to enable the sewing needle to be incapable of pressing the position of the front trouser pocket to sew when the welt pressing plate is loosened, otherwise, the welt pressing plate is lifted to touch the knitting needle or even damage the knitting needle, and the knitting needle is closer to the position of the welt pressing plate to sew in the sewing process, so that the sewing effect is better, the cloth of the sewing position, which is pressed by the welt pressing plate, is farther away from the welt pressing plate, and the cloth is looser, so that the sewing effect is worse, and the low-quality sewing can be generated.

SUMMERY OF THE UTILITY MODEL

Therefore, aiming at the problems, the utility model provides the novel front trouser pocket welt stitching device which is simple in structure, high in production efficiency, convenient to use, good in stitching effect and high in processing quality.

In order to solve the technical problem, the utility model adopts the following scheme: a novel front trouser pocket welt sewing device comprises a base, a connecting plate fixed with the base, a machine head fixed with the connecting plate and matched and connected with the base, a flanging frame, a welt pressing plate and a displacement transmission mechanism for driving the welt pressing plate to move and cloth pressing to move, wherein a pressure groove is formed in the front end of the machine head, a pressing plate connected with the connecting plate is arranged on one side, close to the connecting plate, of the machine head, the displacement transmission mechanism comprises a first driving mechanism, a second driving mechanism, a supporting seat and an upper shaft, the supporting seat is movably arranged on the front side of the connecting plate, shaft seats are respectively and fixedly arranged at two ends of the upper shaft, the shaft seats at two ends of the upper shaft are respectively and rotatably sleeved on rotating shafts at two sides of the supporting seat, the welt pressing plate is fixedly arranged on the upper shaft, the welt pressing plate is positioned in the pressure groove, an output shaft of the first driving mechanism is connected with the upper shaft to drive the upper shaft to swing back and forth so as to drive the upper shaft to lift to loosen or press cloth on the welt pressing plate, the output shaft of the second driving mechanism is connected with and drives the supporting seat to move back and forth between the machine base and the machine head on the connecting plate, the flanging frame is arranged in front of the welt pressing plate, the left end and the right end of the flanging frame extend backwards to form flanging connecting plates respectively, and a third driving mechanism for driving the flanging connecting plates to move back and forth is connected to the free ends of the flanging connecting plates.

The improved structure of the motor is characterized in that a support frame is arranged on the front side of the machine base, fourth driving mechanisms are arranged at two ends of the rear side of the machine base respectively, the machine base is further provided with a first connecting rod and a second connecting rod, the middle portions of the first connecting rod and the second connecting rod are rotatably connected with two sides of the support frame respectively, output shafts of the fourth driving mechanisms at two ends of the rear side of the machine base are hinged with one end of the first connecting rod and one end of the second connecting rod respectively to drive the first connecting rod and the second connecting rod to ascend and descend, sockets for free ends of the first connecting rod and the second connecting rod to be movably inserted are arranged at two ends of the front side of the connecting plate, and the other end of the first connecting rod and the other end of the second connecting rod are movably connected with the sockets at two ends of the front side of the connecting plate in an inserting mode respectively.

In a further improvement, the first driving mechanism and the second driving mechanism are both air cylinders or hydraulic cylinders.

In a further improvement, the displacement transmission mechanism further comprises a limiting block, and the limiting block is arranged on the connecting plate and used for limiting the backward movement length and stroke of the supporting seat.

In a further improvement, waist-shaped grooves are formed in the middle of the flanging connecting plates on the two sides of the flanging frame along the moving direction, and first limiting strips for limiting the position of the flanging frame are arranged on the waist-shaped grooves and located on the two sides of the welting pressing plate.

In a further improvement, the front sides of the two ends of the flanging frame are provided with a second limiting strip at one end of the flanging connecting plate far away from the third driving mechanism.

In a further improvement, a protruding part is arranged on the upper surface of one end, far away from the third driving mechanism, of the flanging connecting plate.

In a further improvement, the section of the convex part of the flanging connecting plate is in a herringbone shape.

In a further improvement, the third driving mechanism comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are connected, output shafts of the first cylinder and the second cylinder are opposite to each other, an output shaft of the first cylinder is connected with the flanging connecting plate, and an output shaft of the second cylinder is fixedly connected with the fixed base on the base.

The machine head pressing plate is an elastic plate, the pressing plate and the connecting plate can be connected in a swinging mode, and the connecting plate is provided with a positioning adjusting bolt for adjusting the height of the pressing plate away from the side connected with the connecting plate.

By adopting the technical scheme, the utility model has the beneficial effects that: the structure is simple, the production efficiency is high, the use is convenient, the sewing effect is good, the processing quality is high, the left and right ends of the flanging frame extend backwards to respectively form the flanging connecting plate, a third driving mechanism for driving the flanging connecting plate to move forwards and backwards is connected to the free end of the flanging connecting plate, and a flanging frame structure driven by a cylinder at the head position is adopted, therefore, automatic flanging in the welting processing process is realized, the processing efficiency of the front trouser pocket is improved, and the problem of folds which are easy to appear in manual flanging can be effectively eliminated. The device is convenient for feeding through further arrangement, namely a fourth driving mechanism, a first connecting rod and a second connecting rod are matched for arrangement, a displacement transmission mechanism is further provided with a limiting block for limiting the backward movement length and stroke of a supporting seat, a waist-shaped groove is formed in the middle of a flanging connecting plate on two sides of a flanging frame along the moving direction, first limiting strips for limiting the position of the flanging frame are arranged on two sides of a welt pressing plate on the waist-shaped groove, a second limiting strip is arranged on one end, away from a third driving mechanism, of the flanging frame on the front side of two ends of the flanging frame for limiting the flanging frame and improving the stability of the flanging frame and the welt pressing plate for pressing cloth, meanwhile, the resistance for pressing the welt pressing plate downwards is reduced, the service life is prolonged, a convex part is arranged on the upper surface of one end, away from a third driving mechanism, of the flanging connecting plate is arranged on the upper surface, away from the third driving mechanism, a first air cylinder is connected with a second air cylinder, and the output shafts of the first air cylinder and the second air cylinder are arranged in a reverse direction, first cylinder output shaft is connected with the turn-ups connecting plate and second cylinder output shaft and the fixed seat on the frame to the rigid coupling, and the effectual stroke that increases third actuating mechanism is convenient for third actuating mechanism simultaneously and carries out the two-stage training to the turn-ups connecting plate, and the removal of cooperation welt clamp plate changes for whole mechanism stability is better, and third actuating mechanism carries out the removal of two-stage training cooperation welt clamp plate to the turn-ups connecting plate simultaneously and also can make the user carry out the dual accurate sewing of width to the cloth, can extensively popularize and apply.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another aspect of the present invention.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 and 2, the preferred novel front trouser pocket welt sewing device of the utility model comprises a base 1, a connecting plate 2 fixed with the base 1, a machine head 3 fixed with the connecting plate 2 and connected with the base 1 in a matching manner, a flanging frame 4, a welt pressing plate 5 and a displacement transmission mechanism for driving the welt pressing plate 5 to move and compress cloth, wherein the connecting plate 2 is an elastic plate, a supporting frame 11 is arranged at the front side of the base 1, fourth driving mechanisms 12 are respectively arranged at two ends of the rear side of the base 1, the base 1 is further provided with a first connecting rod 13 and a second connecting rod 14, the middle parts of the first connecting rod 13 and the second connecting rod 14 are respectively rotatably connected with two sides of the supporting frame 11, output shafts of the fourth driving mechanisms 12 at two ends of the rear side of the base 1 are respectively hinged with one end of the first connecting rod 13 and one end of the second connecting rod 14 to drive the first connecting rod 13 and the second connecting rod 14 to move up and down, and sockets 21 for inserting the free ends of the first connecting rod 13 and the second connecting rod 14 into are arranged at two ends of the connecting plate 2 The other end of the first connecting rod 13 and the other end of the second connecting rod 14 are movably inserted into and connected with the sockets 21 at the two ends of the front side of the connecting plate 2, the front end of the machine head 3 is provided with a pressure groove 31, one side of the machine head 3 close to the connecting plate 2 is provided with a pressure plate 32 connected with the connecting plate 2, the pressure plate 32 of the machine head 3 is an elastic plate, the pressure plate 32 and the connecting plate 2 are connected in a swinging manner, the connecting plate 2 is provided with a positioning adjusting bolt 22 for adjusting the height of the pressure plate 32 away from the side connected with the connecting plate 2, the displacement transmission mechanism comprises a first driving mechanism 61, a second driving mechanism 62, a supporting seat 63, an upper shaft 64 and a limiting block 65, the first driving mechanism 61 and the second driving mechanism 62 are air cylinders, the supporting seat 63 is movably arranged on the front side of the connecting plate 2, the two ends of the upper shaft 64 are respectively fixedly provided with shaft seats, and the shaft seats at the two ends of the upper shaft 64 are respectively and rotatably sleeved on the rotating shafts at the two sides of the supporting seat 63, the limiting block 65 is arranged on the connecting plate 2 and used for limiting the backward movement length stroke of the supporting seat 63, the welt pressing plate 5 is fixedly arranged on the upper shaft 64, the welt pressing plate 5 is positioned in the pressing groove 31, the output shaft of the first driving mechanism 61 is connected with the upper shaft 64 to drive the upper shaft 64 to swing back and forth so as to drive the welt pressing plate 5 to lift up to loosen cloth or press the cloth tightly, the output shaft of the second driving mechanism 62 is connected with the supporting seat 63 and drives the supporting seat 63 to move back and forth on the connecting plate 2 between the machine base 1 and the machine head 3, the welt frame 4 is arranged in front of the welt pressing plate 5, the left end and the right end of the welt frame 4 extend backwards to respectively form a welt connecting plate 41, the free end of the welt connecting plate 41 is connected with a third driving mechanism 42 driving the welt connecting plate 41 to move back and forth, the welt connecting plates 41 at the two sides of the welt frame 4 are both provided with waist-shaped grooves 411 along the moving direction, the first limiting strips 43 positioned at the two sides of the welt pressing plate 54 on the waist-shaped grooves 411, the front side of the two ends of the flanging frame 4 is provided with a second limit strip 44 at one end of the flanging connecting plate 41 far away from the third driving mechanism 42, the upper surface of one end of the flanging connecting plate 41 far away from the third driving mechanism 42 is provided with a convex part 412, the cross section of the convex part 412 of the flanging connecting plate 41 is in a herringbone shape, the third driving mechanism 42 comprises a first air cylinder 421 and a second air cylinder 422, the first air cylinder 421 is connected with the second air cylinder 422, the output shafts of the first air cylinder 421 and the second air cylinder 422 are mutually reverse, the output shaft of the first air cylinder 421 is connected with the flanging connecting plate 41, and the output shaft of the second air cylinder 422 is fixedly connected with the fixed seat 15 on the machine base 1.

The first driving mechanism and the second driving mechanism can also be hydraulic cylinders, and the side of the welt pressing plate facing the cloth can also be provided with anti-skidding teeth to enhance the pressing strength.

The utility model drives the upper shaft to swing back and forth by arranging the output shaft of the first driving mechanism to be connected with the upper shaft so as to drive the welt pressing plate to lift and loosen cloth or press the cloth, drives the supporting seat to move back and forth on the connecting plate between the machine seat and the machine head by the output shaft of the second driving mechanism so that a knitting needle can be directly close to the welt pressing plate to sew, the second driving mechanism drives the supporting seat to move back integrally after sewing is finished, and then the first driving mechanism pulls the upper shaft to drive the welt pressing plate to lift and loosen the cloth, so that the knitting needle tightly clings to the welt pressing plate to process the cloth, the structure is simple, the production efficiency is high, the use is convenient, the sewing effect is good, the processing quality is high, the left and right ends of the flanging frame extend backwards to respectively form the flanging connecting plate, and the free end of the flanging connecting plate is connected with the third driving mechanism for driving the flanging connecting plate to move back and forth, because the flanging frame structure which is provided with a cylinder at the machine head position is adopted, therefore, the automatic flanging in the welting processing process is realized, the processing efficiency of the front trouser pocket is improved, and the problem of folds which are easy to appear in manual flanging can be effectively eliminated. The device is convenient for feeding through further arrangement, namely a fourth driving mechanism, a first connecting rod and a second connecting rod are matched for arrangement, a displacement transmission mechanism is further provided with a limiting block for limiting the backward movement length and stroke of a supporting seat, a waist-shaped groove is formed in the middle of a flanging connecting plate on two sides of a flanging frame along the moving direction, first limiting strips for limiting the position of the flanging frame are arranged on two sides of a welt pressing plate on the waist-shaped groove, a second limiting strip is arranged on one end, away from a third driving mechanism, of the flanging frame on the front side of two ends of the flanging frame for limiting the flanging frame and improving the stability of the flanging frame and the welt pressing plate for pressing cloth, meanwhile, the resistance for pressing the welt pressing plate downwards is reduced, the service life is prolonged, a convex part is arranged on the upper surface of one end, away from a third driving mechanism, of the flanging connecting plate is arranged on the upper surface, away from the third driving mechanism, a first air cylinder is connected with a second air cylinder, and the output shafts of the first air cylinder and the second air cylinder are arranged in a reverse direction, first cylinder output shaft is connected with the turn-ups connecting plate and second cylinder output shaft and the fixed seat on the frame to the rigid coupling, and the effectual stroke that increases third actuating mechanism is convenient for third actuating mechanism simultaneously and carries out the second section pulling to the turn-ups connecting plate, and the removal of cooperation welt clamp plate changes for whole mechanism stability is better, and third actuating mechanism carries out the second section pulling to the turn-ups connecting plate simultaneously and cooperates the removal of welt clamp plate also can make the user carry out the dual accurate sewing of width to the cloth, can extensively popularize and apply.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a novel preceding trousers pocket welt is sewed up device, includes frame (1), connecting plate (2) fixed with frame (1), fixed and aircraft nose (3) of being connected with frame (1) cooperation with connecting plate (2), its characterized in that: the cloth pressing machine is characterized by further comprising a flanging frame (4), a welt pressing plate (5) and a displacement transmission mechanism for driving the welt pressing plate (5) to move and cloth pressing to act, wherein a pressure groove (31) is formed in the front end of the machine head (3), the pressing plate (32) connected with the connecting plate (2) is arranged on one side, close to the connecting plate (2), of the machine head (3), the displacement transmission mechanism comprises a first driving mechanism (61), a second driving mechanism (62), a supporting seat (63) and an upper shaft (64), the supporting seat (63) is movably arranged on the front side of the connecting plate (2), shaft seats are fixedly arranged at two ends of the upper shaft (64) respectively, the shaft seats at two ends of the upper shaft (64) are rotatably sleeved on rotating shafts at two sides of the supporting seat (63) respectively, the welt pressing plate (5) is fixedly arranged on the upper shaft (64) and the welt pressing plate (5) is located in the pressure groove (31), an output shaft of the first driving mechanism (61) is connected with the upper shaft (64) to drive the upper shaft (64) to swing back and forth and back to drive the welt pressing plate (64) to further drive the welt pressing plate (5) to move and then drive the welt pressing plate (4) to act (5) The cloth is lifted upwards to be loosened or compacted, the output shaft of the second driving mechanism (62) is connected with and drives the supporting seat (63) to move back and forth between the machine base (1) and the machine head (3) on the connecting plate (2), the flanging frame (4) is arranged in front of the welt pressing plate (5), the left end and the right end of the flanging frame (4) extend backwards to form a flanging connecting plate (41) respectively, and the free end of the flanging connecting plate (41) is connected with a third driving mechanism (42) which drives the flanging connecting plate (41) to move back and forth.

2. The novel front trouser pocket welt stitching device according to claim 1, characterized in that: a supporting frame (11) is arranged at the front side of the machine base (1), a fourth driving mechanism (12) is respectively arranged at two ends of the rear side of the machine base (1), the machine base (1) is also provided with a first connecting rod (13) and a second connecting rod (14), the middle parts of the first connecting rod (13) and the second connecting rod (14) are respectively and rotatably connected with the two sides of the supporting frame (11), the output shafts of the fourth driving mechanisms (12) at the two ends of the rear side of the machine base (1) are respectively hinged with one end of the first connecting rod (13) and one end of the second connecting rod (14) to drive the first connecting rod (13) and the second connecting rod (14) to move up and down, the two ends of the front side of the connecting plate (2) are provided with sockets (21) for the free ends of the first connecting rod (13) and the second connecting rod (14) to be movably inserted, the other end of the first connecting rod (13) and the other end of the second connecting rod (14) are respectively movably inserted and connected with the sockets (21) at the two ends of the front side of the connecting plate (2).

3. The novel front trouser pocket welt sewing device according to claim 1, wherein: the first driving mechanism (61) and the second driving mechanism (62) are both air cylinders or hydraulic cylinders.

4. The novel front trouser pocket welt stitching device according to claim 1, characterized in that: the displacement transmission mechanism further comprises a limiting block (65), and the limiting block (65) is arranged on the connecting plate and used for limiting the backward movement length and stroke of the supporting seat (63).

5. The novel front trouser pocket welt stitching device according to claim 1, characterized in that: waist-shaped grooves (411) are formed in the middle of the flanging connecting plates (41) on the two sides of the flanging frame (4) along the moving direction, and first limiting strips (43) for limiting the position of the flanging frame (4) are arranged on the waist-shaped grooves (411) and located on the two sides of the welting pressing plate (5).

6. The novel front pants pocket welt sewing device as set forth in claim 5, wherein: the front sides of the two ends of the flanging frame (4) are positioned at one end of the flanging connecting plate (41) far away from the third driving mechanism (42) and are provided with second limiting strips (44).

7. A novel front trouser pocket welt stitching device according to claim 5 or 6, characterized in that: and a convex part (412) is arranged on the upper surface of one end of the flanging connecting plate (41) far away from the third driving mechanism (42).

8. The novel front trouser pocket welt stitching device according to claim 7, characterized in that: the cross section of the convex part (412) of the flanging connecting plate (41) is in a herringbone shape.

9. The novel front trouser pocket welt stitching device according to claim 1, characterized in that: the third driving mechanism (42) comprises a first air cylinder (421) and a second air cylinder (422), the first air cylinder (421) is connected with the second air cylinder (422), output shafts of the first air cylinder (421) and the second air cylinder (422) are opposite to each other, the output shaft of the first air cylinder (421) is connected with the flanging connecting plate (41), and the output shaft of the second air cylinder (422) is fixedly connected with the fixed seat (15) on the machine base (1).

10. The novel front trouser pocket welt stitching device according to claim 1, characterized in that: the head (3) pressing plate (32) is an elastic plate, the pressing plate (32) and the connecting plate (2) can be connected in a swinging mode, and the connecting plate (2) is provided with a positioning adjusting bolt (22) for adjusting the height of the pressing plate (32) away from the side connected with the connecting plate (2).