CN210066129U

CN210066129U - Presser foot device of bar tacking machine

Info

Publication number: CN210066129U
Application number: CN201920794398.9U
Authority: CN
Inventors: 王枕涛
Original assignee: Shaoxing Fa Liang Underwear Co Ltd
Current assignee: Shaoxing Fa Liang Underwear Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-02-14
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a bar tacking machine technical field discloses a bar tacking machine presser foot device, including left presser foot and right presser foot, the adjustment mechanism that mutually supports and the symmetry sets up, adjustment mechanism includes that adjusting screw, left presser foot and the right presser foot that the level set up rotate the locating part along with adjusting screw pivoted, adjusting screw rotates and installs in the bar tacking machine main part, be equipped with two sections reverse screw threads on the adjusting screw, left presser foot and right presser foot are threaded connection respectively on these two sections reverse screw threads. The utility model discloses utilize the regulation lead screw to rotate and drive left presser foot, right presser foot and be close to or keep away from each other to adjust the distance of left and right presser foot in order to be applicable to work needs, avoided the bartack many times on different bartackers, promoted work efficiency.

Description

Presser foot device of bar tacking machine

Technical Field

The utility model belongs to the technical field of the bar tacking machine, in particular to a presser foot device of the bar tacking machine.

Background

The bartacker, also known as a knotter or a sealer, is usually used for stitch reinforcement and is generally suitable for manufacturers of clothes, knitting, sweaters, western-style clothes, jeans and the like.

As in the garment manufacturing industry, the pocket of the garment is everywhere visible. The use of the bag opening greatly facilitates the life of people, however, the lining cloth positioned in the bag opening is easy to be taken out from the bag opening, which brings inconvenience to daily life. In the prior art, the pocket of the clothes is sewn by the straight-line-shaped slipknots commonly used, but when the clothes such as western-style clothes made of wool and other chemical fiber-free materials are sewn, the straight-line-shaped slipknots are easy to damage fabrics. In order to avoid the above situations, D-shaped slipknots are mostly adopted to sew the pockets of the western-style clothes.

Chinese patent with publication number CN202644128U discloses a presser foot for bartack sewing machine, which comprises a pressure lever, a presser foot plate, an anti-skid mechanism and a limit rod, wherein the pressure lever is connected with the presser foot plate connecting part through a connecting part and is installed on the presser foot plate, the two presser foot plates are butted in position and form a square guide groove, one side of the presser foot plate is provided with a notch, a corresponding anti-skid mechanism is installed in the notch, and the tail part of the limit rod is connected with the side edge of the presser foot plate. The presser foot can solve the problem that the lining cloth in the pocket is easy to take out.

However, in the actual production process: the positions of the two foot pressing plates are not adjustable once the positions are fixed, so that repeated sewing operations are required to be carried out on different tacking machines for many times once a worker needs to fix and sew interlining cloth in different large and small openings, the appearance of clothes is influenced, the working efficiency of the worker is reduced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a bartack sewing machine presser foot device can adjust distance and position between left presser foot, the right presser foot.

The above technical purpose of the present invention can be achieved by the following technical solutions: the presser foot device of the bar tacking machine comprises a left presser foot, a right presser foot and an adjusting mechanism, wherein the left presser foot, the right presser foot and the adjusting mechanism are mutually matched and symmetrically arranged, the adjusting mechanism comprises an adjusting screw rod, a rotating limiting part and a rotating limiting part, the adjusting screw rod is horizontally arranged, the left presser foot and the right presser foot rotate along with the adjusting screw rod, the adjusting screw rod is rotatably installed on a bar tacking machine main body, two sections of reverse threads are arranged on the adjusting screw rod, and the left presser foot and the right presser foot are respectively in threaded.

Through adopting above-mentioned technical scheme, during the use, rotate the regulation lead screw, because rotate the rotation that the locating part has restricted left presser foot, right presser foot for left and right presser foot is close to or keeps away from along adjusting the lead screw axial, thereby can adjust the distance position between the presser foot according to the working requirement, simple structure, it is convenient to adjust.

Further setting the following steps: the rotation limiting part comprises a limiting sliding groove which is arranged on the body of the bar tacking machine and is horizontally arranged with the adjusting screw rod and two limiting sliding blocks which are arranged in the limiting sliding groove in a sliding manner, and the two limiting sliding blocks are respectively fixedly connected with the left presser foot and the right presser foot.

Through adopting above-mentioned technical scheme, the cooperation of sliding through spacing spout and spacing slider restricts left and right presser foot and can only slide along spacing spout and can not rotate along with adjusting the lead screw, simple structure, stability, spacing effectual.

Further setting the following steps: the adjusting screw rod comprises a first screw rod, a second screw rod and a fixing piece, the first screw rod and the second screw rod are rotatably installed on the bar tacking machine main body, the first screw rod and the bar tacking machine main body are connected in a clamping mode in the axial direction of the first screw rod, the first screw rod and the second screw rod are identical in external thread distance and opposite in external thread direction, and are respectively in one-to-one correspondence with the left presser foot and the right presser foot and in threaded connection with the left presser foot and the right presser foot, the first screw rod is rotatably installed on the bar tacking machine main body, a connecting screw rod is arranged at the end portion, facing the second screw rod, of the first screw rod, a connecting screw hole is formed at the end portion, facing.

Through adopting above-mentioned technical scheme, become adjusting screw into two independent first screw rods and second screw rod, connect both through connecting screw rod again, utilize the mounting to fix the unscrewing direction between connecting screw and the connecting screw rod, at mounting during operation for first screw rod and second screw rod rotate in step, when the mounting loosens, first screw rod and second screw rod can be one motionless, another rotates, realize more kinds of regulation, if: the left presser foot and the right presser foot are synchronously close to and far away from each other; the left presser foot is fixed, and the right presser foot is close to or far away from.

Further setting the following steps: the mounting includes control lever, through hole and intercommunicating pore, and the through hole is seted up in second screw rod axle center department and is run through the second screw rod, and the intercommunicating pore is seted up in first screw rod towards the one end of second screw rod and is the same with through hole intercommunication and size, the control lever passes through hole, intercommunicating pore in proper order, control lever and second screw rod along axial joint, the intercommunicating pore hole bottom is equipped with restriction first screw rod and the relative pivoted joint spare of control lever with the terminal surface that the control lever stretched into in the intercommunicating pore.

Through adopting above-mentioned technical scheme, press the control lever and make joint spare during operation, when first screw rod, arbitrary one of second screw rod rotated, another also rotated thereupon for left and right presser foot is close to simultaneously or is adjusted far away from the ground. When the clamping piece does not work, and when the second screw rod is rotated along the screwing or unscrewing direction between the second screw rod and the connecting screw rod, the second screw rod is close to or far away from the first screw rod along the axial direction, and according to the thread pitch difference of the inner threads and the outer threads of the second screw rod and the thread direction condition, the right presser foot is close to or far away from or keeps unchanged.

Further setting the following steps: the thread directions of the first screw and the connecting screw are the same.

By adopting the technical scheme, when the clamping piece works, the first screw rod is pressed to enable the first screw rod not to rotate, when the second screw rod is rotated along the thread direction of the second screw rod, the connecting screw rod and the connecting screw hole are mutually screwed, the second screw rod moves towards the direction of the first screw rod, meanwhile, the right presser foot also moves leftwards due to the matching of the external thread of the second screw rod, the total moving distance is the displacement of the second screw rod and the displacement of the right presser foot relative to the second screw rod, and when the second screw rod is reversely rotated along the thread direction of the second screw rod, the connecting rod and the connecting screw hole are mutually loosened, the second screw rod moves towards the direction of the principle second screw rod, the same principle can be obtained, the right presser foot moves rightwards, the moving distance is the sum of the displacement of the second screw rod relative to the first screw rod and the displacement distance of the right presser foot relative to.

Further setting the following steps: the joint spare includes that a plurality of seting up in the intercommunicating pore hole bottom and along the limiting hole and the protrusion that intercommunicating pore circumference distributes set up the lug on the terminal surface of control lever towards first screw rod direction, the lug with limiting hole joint.

Through adopting above-mentioned technical scheme, when the control lever pressed in to first screw rod direction, the lug was close to the restriction hole of intercommunicating pore bottom and with restriction hole joint for form the ascending joint of rotation side between first screw rod and the second screw rod, when rotating the second screw rod this moment, first screw rod and second screw rod rotate in step, make left and right presser foot be close to or keep away from in step.

Further setting the following steps: be provided with the holding piece between control lever and the noose machine main part, the holding piece includes conflict ring sheet, retaining spring, keep spring coupling conflict ring sheet and noose machine main part, conflict ring sheet an organic whole sets up on the control lever and is located between noose machine main part and the second screw rod, makes when pressing the control lever the lug with during limiting hole joint, retaining spring is in the extension state.

Through adopting above-mentioned technical scheme, after pressing the control lever, the retaining spring is elongated, and after finishing adjusting and releasing the control lever, the retaining spring contracts for the lug breaks away from with the restriction hole, resumes the independent adjustment state of right presser foot.

To sum up, the utility model discloses following beneficial effect has:

1. when the adjusting screw is used, the adjusting screw rod is rotated, and the rotation of the left presser foot and the right presser foot is limited by the rotation limiting piece, so that the left presser foot and the right presser foot are close to or far away from each other along the axial direction of the adjusting screw rod, the distance position between the presser feet can be adjusted according to the working requirement, the structure is simple, and the adjustment is convenient;

2. when the control rod is pressed and the clamping piece works, when any one of the first screw rod and the second screw rod rotates, the other screw rod also rotates along with the first screw rod and the second screw rod, so that the left presser foot and the right presser foot are adjusted to be close to or far away from the ground at the same time. When the clamping piece does not work, and the second screw rod is rotated along the screwing or unscrewing direction between the second screw rod and the connecting screw rod, the second screw rod is close to or far away from the first screw rod along the axial direction, and the right presser foot is close to or far away from or keeps unchanged according to the pitch difference of the internal thread and the external thread of the second screw rod and the thread direction condition;

3. after the control rod is pressed, the holding spring is stretched, and after the control rod is released after adjustment is finished, the holding spring is contracted, so that the lug is separated from the limiting hole, and the independent adjusting state of the right presser foot is recovered.

Drawings

FIG. 1 is a schematic structural view of a presser foot device of a bar tacking machine in the present embodiment;

FIG. 2 is a vertical sectional plan view of the looper presser foot device of this embodiment taken along an axis passing through the first screw;

FIG. 3 is a schematic structural view of a first screw and a connecting screw in the presser foot device of the bar tacking machine of the present embodiment;

FIG. 4 is an exploded view of the mounting relationship between the second screw and the control rod in the presser foot device of the bar tacking machine in this embodiment;

fig. 5 is an exploded view at a in fig. 4.

Reference numerals: 1. a left presser foot; 2. a right presser foot; 4. adjusting the lead screw; 41. a first screw; 411. connecting a screw rod; 42. a second screw; 421. a connecting screw hole; 422. a card slot; 43. a fixing member; 44. a control lever; 441. a clamping block; 45. a through hole; 46. a communicating hole; 47. a limit ring sheet; 5. rotating the limiting piece; 51. a limiting chute; 52. a limiting slide block; 6. mounting a plate; 61. an adjustment groove; 7. a clamping piece; (ii) a 71. A bump; 72. a limiting aperture; 8. a holder; 81. a contact ring sheet; 82. a retention spring; 83. a fixing hole; 84. a fixed ring groove; 85. fixing the disc; 86. and fixing the ring sheet.

Detailed Description

A presser foot device of a bartack sewing machine, as shown in figures 1 and 2, comprises a left presser foot 1 and a right presser foot 2 which are mutually matched and symmetrically arranged, and an adjusting mechanism for adjusting the distance between the left presser foot 1 and the right presser foot 2. The adjusting mechanism comprises an adjusting screw 4 and a rotation limiting part 5, and the rotation limiting part 5 comprises a limiting sliding groove 51 and two limiting sliding blocks 52. The adjusting screw 4 includes a first screw 41, a second screw 42, and a fixing member 43. The fixing member 43 includes a control rod 44, a through hole 45, and a communication hole 46.

As shown in fig. 1 and 2, a mounting plate 6 is fixed on the body of the bar tacking machine, a horizontal adjusting groove 61 is formed in the mounting plate 6, and the first screw 41 is rotatably mounted in the adjusting groove 61 and is axially clamped along the first screw 41, so that the first screw 41 can rotate but cannot axially slide. The first screw rod 41 is located at the left half part of the adjusting groove 61, the right end of the first screw rod 41 is integrally provided with a connecting screw rod 411, the end part of the second screw rod 42 facing the first screw rod 41 is provided with a connecting screw hole 421, the connecting screw rod 411 is in threaded connection with the connecting screw hole 421, the screw pitches of the first screw rod 41 and the second screw rod 42 are the same, and the thread directions of the first screw rod 41 and the connecting screw rod 411 are the same and are opposite to the thread direction of the second screw rod 42.

As shown in fig. 2, the limiting sliding grooves 51 are opened on two side walls of the adjusting groove 61 and are parallel to the adjusting groove 61, and the two limiting sliding blocks 52 are both slid in the limiting sliding grooves 51 and are respectively connected to the first screw rod 41 and the second screw rod 42 through threads.

As shown in fig. 1 and 2, the left presser foot 1 is fixedly connected to the limit slider 52 on the first screw rod 41, and the right presser foot 2 is fixedly connected to the limit slider 52 on the second screw rod 42.

The surface of one end of the first screw rod 41 far away from the second screw rod 42 and the surface of one end of the second screw rod 42 far away from the first screw rod 41 are integrally provided with coaxial limiting ring pieces 47.

As shown in fig. 2, a through hole 45 is coaxially opened in an end portion of the second screw 42 and penetrates the second screw 42, a communication hole 46 is opened in an end surface of the connecting screw 411 facing the second screw 42, and the control rod 44 is inserted into the communication hole 46 through the through hole 45 in the second screw 42 and the right end wall of the adjustment groove 61 in this order.

As shown in FIG. 2, a clamping member 7 is arranged between the end of the control rod 44 extending into the communication hole 46 and the hole bottom of the communication hole 46.

As shown in fig. 2, 3 and 5, the clip 7 includes a protrusion 71 and a plurality of limiting holes 72, the protrusion 71 integrally protrudes from the end of the control rod 44, and the limiting holes 72 are matched with the protrusion 71 in size and are circumferentially distributed along the communication hole 46. When the lever 44 is pressed, the projection 71 is snap-fitted into one of the restricting holes 72.

As shown in fig. 2 and 4, an axial slot 422 is formed in the inner wall of the second screw rod 42, one end of the slot 422, which is far away from the first screw rod 41, penetrates through the end of the second screw rod 42, a block 441 protrudes from the surface of the control rod 44, and the block 441 slides in the slot 422.

As shown in fig. 2 and 4, the holding member 8 is disposed on the control rod 44, the holding member 8 includes an abutting ring 81 and a holding spring 82, the abutting ring 81 is integrally disposed on the control rod 44 and located between the second screw 42 and the right end wall of the adjusting groove 61, the holding spring 82 is sleeved on the control rod 44 and located between the abutting ring 81 and the right end wall of the adjusting groove 61, a fixing hole 83 coaxial with the control rod 44 is disposed on the right end wall of the adjusting groove 61, a fixing ring groove 84 is disposed on an inner wall of the fixing hole 83, a fixing plate 85 is disposed in the fixing hole 83, a fixing ring 86 protrudes from a side wall of the fixing plate 85, the fixing ring 86 is clamped with the fixing ring groove 84, one end of the holding spring 82 is fixedly connected to the abutting ring 81, and the other end is fixedly connected to the fixing plate 85.

The use principle is as follows:

synchronous adjustment: the control rod 44 is pressed to enable the lug 71 to be clamped with the limiting hole 72, then the first screw rod 41 or the second screw rod 42 is rotated, the first screw rod 41 and the second screw rod 42 synchronously rotate, and the left presser foot 1 and the right presser foot 2 are enabled to be close to or far away from each other according to the thread direction and the rotating direction of the first screw rod 41.

The left presser foot 1 is adjusted individually, the control rod 44 or the second screw rod 42 is fixed by hand, and then the first screw rod 41 is rotated, so that the left slider moves along the axial direction of the first screw rod 41, and the left presser foot 1 moves left and right.

The right presser foot 2 is adjusted independently, the first screw rod 41 is fixed by hand, the second screw rod 42 is rotated, the second screw rod 42 rotates and moves close to or away from the first screw rod 41 at the same time according to the rotating direction of the second screw rod 42, the right slide block is used for rotating the second screw rod 42, the right slide block moves away from or approaches to the right end wall of the adjusting groove 61 relative to the second screw rod 42, and the moving distance of the right presser foot 2 is equal to the sum of the sliding distance of the right slide block relative to the second screw rod 42 and the moving distance of the second screw rod 42 relative to the first screw rod 41.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a bar tacking machine presser foot device which characterized in that: the adjusting mechanism comprises an adjusting lead screw (4) horizontally arranged, a rotating limiting part (5) of the left presser foot (1) and the right presser foot (2) which are symmetrically arranged and matched with each other, the adjusting lead screw (4) is rotatably arranged on the body of the bar tacking machine, two sections of reverse threads are arranged on the adjusting lead screw (4), and the left presser foot (1) and the right presser foot (2) are respectively in threaded connection with the two sections of reverse threads.

2. A bartack machine presser foot apparatus according to claim 1, wherein: the rotation limiting part (5) comprises a limiting sliding groove (51) which is arranged on the tacking machine main body and is horizontally arranged with the adjusting screw rod (4) and two limiting sliding blocks (52) which are arranged in the limiting sliding groove (51) in a sliding manner, and the two limiting sliding blocks (52) are respectively fixedly connected with the left presser foot (1) and the right presser foot (2).

3. A bartack machine presser foot apparatus according to claim 2, wherein: the adjusting screw rod (4) comprises a first screw rod (41), a second screw rod (42) and a fixing piece (43), the first screw rod (41) and the second screw rod (42) are rotatably installed on the bar tacking machine body, the first screw rod (41) and the bar tacking machine body are axially clamped on the first screw rod (41), the first screw rod (41) and the second screw rod (42) are identical in external thread distance and opposite in external thread direction, and are respectively in one-to-one correspondence and threaded connection with the left presser foot (1) and the right presser foot (2), the first screw rod (41) is rotatably installed on the bar tacking machine body, a connecting screw rod (411) is arranged at the end part, facing the second screw rod (41), of the first screw rod (41), the second screw rod (42) is provided with a connecting screw hole (421), and the connecting screw rod (411) is in the connecting screw hole (421).

4. A bartack machine presser foot apparatus according to claim 3, wherein: fixing piece (43) include control lever (44), through hole (45) and intercommunicating pore (46), and second screw rod (42) axle center department and run through second screw rod (42) are seted up in through hole (45), and intercommunicating pore (46) are seted up in first screw rod (41) one end towards second screw rod (42) and are communicate and the size is the same with through hole (45), intercommunicating pore (46) are passed in proper order in control lever (44), control lever (44) and second screw rod (42) along axial joint, the terminal surface that intercommunicating pore (46) hole bottom and control lever (44) stretch into in intercommunicating pore (46) is equipped with restriction first screw rod (41) and the relative pivoted joint spare (7) of control lever (44).

5. A looper presser foot device according to claim 4, wherein: the thread directions of the first screw rod (41) and the connecting screw rod (411) are the same.

6. A bartack machine presser foot apparatus according to claim 5, wherein: joint spare (7) include that a plurality of seting up in intercommunicating pore (46) hole bottom and along intercommunicating pore (46) circumference distribution restrict hole (72) and protrusion set up lug (71) on control lever (44) towards the terminal surface of first screw rod (41) direction, lug (71) with restrict hole (72) joint.

7. A bartack machine presser foot apparatus according to claim 6, wherein: be provided with between control lever (44) and the noose machine main part holder (8), holder (8) are including conflict ring plate (81), retaining spring (82) are connected conflict ring plate (81) and noose machine main part, conflict ring plate (81) an organic whole sets up on control lever (44) and is located between noose machine main part and second screw rod (42), when pressing control lever (44) and make lug (71) with when limiting hole (72) joint, retaining spring (82) are in the extension state.

8. A bartack machine presser foot device according to claim 3, said first screw (41) and second screw (42) being provided with a stop ring tab (47) at both ends.