CN219079794U

CN219079794U - High-speed sewing machine for making bags from non-woven fabrics

Info

Publication number: CN219079794U
Application number: CN202222606947.XU
Authority: CN
Inventors: 吕作进; 林丽娟; 李来塔
Original assignee: Cangnan Yage Bag Making Co ltd
Current assignee: Cangnan Yage Bag Making Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-26
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a high-speed sewing machine for making bags from non-woven fabrics, which belongs to the technical field of sewing machines and comprises a sewing machine body, a machine head, a presser foot arm and a machine needle, wherein a connecting arm is fixedly arranged on the machine head, a socket is formed in the presser foot arm, a limiting mechanism for limiting the presser foot and facilitating subsequent fixing is arranged on the connecting arm, a jack and a fixing port are formed in the connecting arm, the jack is communicated with the fixing port, a connecting hole is formed in the presser foot arm, a movable rod is slidably arranged on the jack and the connecting hole, and a fixing mechanism for fixing the presser foot arm and the presser foot is arranged on the movable rod.

Description

High-speed sewing machine for making bags from non-woven fabrics

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a high-speed sewing machine for making bags from non-woven fabrics.

Background

The non-woven fabric is a non-woven fabric, which is a novel fiber product with soft, breathable and planar structure, directly formed by using polymer slices, short fibers or filaments through various fiber web forming methods and consolidation techniques, and the non-woven fabric bag is cheap and good, environment-friendly and practical, has wide application, has outstanding advertising positions, is suitable for various business activities and exhibition and sales, is an ideal advertising promotion gift for enterprises and institutions, and needs to be sewn by using a high-speed sewing machine when the non-woven fabric is manufactured.

The presser foot of the existing high-speed sewing machine for making bags from non-woven fabrics on the market is generally connected to a machine head through screw threads, the presser foot is likely to wear or shake after long-time use, the presser foot needs to be detached and replaced, the situation that the internal threads of the thread opening of the machine head are worn and slide is likely to occur due to multiple detachment and replacement, and improvement is needed.

Disclosure of Invention

The utility model provides a high-speed sewing machine for making bags from non-woven fabrics, which solves the problems that the presser foot of the existing high-speed sewing machine for making bags from non-woven fabrics on the market is generally connected to a machine head through screw threads, the presser foot is likely to wear or shake after long-time use, the presser foot needs to be detached and replaced, and the situation that the internal threads of the threaded opening of the machine head are worn and slide is likely to occur due to repeated detachment and replacement.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high car sewing machine for non-woven fabrics system bag, includes sewing machine body, aircraft nose, presser foot arm and needle, fixed mounting has the linking arm on the aircraft nose, the socket has been seted up on the presser foot arm, be provided with on linking arm and the presser foot arm and be used for carrying out spacing the stop gear who is convenient for follow-up fixed to the presser foot, jack and fixed orifices have been seted up on the linking arm, the jack is linked together with the fixed orifices, the connecting hole has been seted up on the presser foot arm, slide on jack and the connecting hole and be provided with the movable rod, be provided with the fixed establishment who is used for carrying out fixed to presser foot arm and presser foot on the movable rod.

As a preferable scheme of the utility model, the limiting mechanism comprises a mounting opening formed in the connecting arm, a limiting spring arranged in the mounting opening, a limiting block arranged on the mounting opening in a sliding manner and a limiting opening formed in the presser foot arm and positioned beside the socket, wherein the joint surfaces of the limiting block and the limiting opening are both cambered surfaces, the end part of the limiting spring is fixedly arranged with the connecting arm and the limiting block respectively, and the limiting spring is pressed between the connecting arm and the limiting block.

As a preferable scheme of the utility model, the size of the connecting arm is matched with the size of the socket, and the size of the limiting block is matched with the size of the limiting opening.

As a preferable scheme of the utility model, the fixing mechanism comprises a sliding groove arranged in the movable rod, a fixed block arranged in the sliding groove in a sliding way, a reset spring fixedly arranged in the movable rod, a pull rod fixedly arranged at the end part of the reset spring and a driving piece arranged on the movable rod for driving the fixed block to horizontally move, wherein the pull rod is fixedly arranged with the fixed block, and the side surface of the fixed block, which is close to one end of the pull rod, is provided with an inclined surface.

As a preferable scheme of the utility model, the driving piece comprises a slideway arranged in the movable rod, a nut fixedly arranged on the movable rod, a screw rod in threaded connection with the nut, a handle fixedly arranged at the end part of the screw rod and an extrusion block fixedly arranged at the end part of the screw rod, wherein the extrusion block is arranged on the slideway in a sliding manner, and the end part of the extrusion block, which is close to one end of the fixed block, is arc-shaped.

As a preferable scheme of the utility model, at least two groups of the jacks and the fixed ports are arranged, and the number of the connecting holes and the movable rods is the same as that of the jacks.

The utility model has the beneficial effects that:

the device can realize preliminary fixation of the presser foot arm and the presser foot by arranging the connecting arm, the socket, the mounting port, the limiting spring, the limiting block and the limiting port for cooperation, so that the follow-up complete fixation of the presser foot arm and the presser foot is facilitated;

the device is through setting up the cooperation work between jack, fixed orifices, connecting hole, movable rod, spout, fixed block, reset spring, pull rod and the driving piece, can realize being convenient for the procedure dismouting simultaneously to the complete fixation of presser foot arm and presser foot, easy operation, labour saving and time saving, fixed effectual, the practicality is strong.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a side cross-sectional view of the connecting arm of the present utility model;

FIG. 4 is a view showing the internal structure of the movable rod according to the present utility model;

fig. 5 is a preliminary connecting structure diagram of the connecting arm and the presser foot arm of the present utility model.

In the figure:

1. a sewing machine body; 2. a machine head; 3. a presser foot; 4. a presser foot arm; 5. a needle; 6. a connecting arm; 7. a socket; 8. a limiting mechanism; 81. a mounting port; 82. a limit spring; 83. a limiting block; 84. a limit opening; 9. a jack; 10. a fixed port; 11. a connection hole; 12. a movable rod; 13. a fixing mechanism; 131. a chute; 132. a fixed block; 133. a return spring; 134. a pull rod; 135. a driving member; 1351. a slideway; 1352. a nut; 1353. a screw; 1354. a handle; 1355. extruding the blocks.

Detailed Description

Examples

Referring to fig. 1-5, the utility model provides a high-speed sewing machine for making bags from non-woven fabrics, which comprises a sewing machine body 1, a machine head 2, a presser foot 3, a presser foot arm 4 and a needle 5, wherein a connecting arm 6 is fixedly arranged on the machine head 2, a socket 7 is arranged on the presser foot arm 4, a limiting mechanism 8 for limiting the presser foot 3 and facilitating subsequent fixing is arranged on the connecting arm 6 and the presser foot arm 4, a jack 9 and a fixing opening 10 are arranged on the connecting arm 6, the jack 9 is communicated with the fixing opening 10, a connecting hole 11 is arranged on the presser foot arm 4, a movable rod 12 is slidably arranged on the jack 9 and the connecting hole 11, and a fixing mechanism 13 for fixing the presser foot arm 4 and the presser foot 3 is arranged on the movable rod 12.

When an operator needs to detach the presser foot 3, the fixing mechanism 13 on the movable rod 12 is driven to separate from the fixing port 10, the presser foot arm 4 is unlocked after separation, the movable rod 12 is pulled out of the jack 9 and the connecting hole 11 after unlocking, the movable rod 12 is pulled down vertically by holding the presser foot arm 4 after all detachment, the presser foot arm 4 is separated from the limiting mechanism 8 on the connecting arm 6, the presser foot arm 4 and the presser foot 3 can be detached, when a new presser foot arm 4 and the presser foot 3 are installed, the jack 7 on the presser foot arm 4 is directly opposite to the connecting arm 6, the jack 7 is inserted on the connecting arm 6 to perform preliminary limiting through the limiting mechanism 8, the connecting hole 11 on the presser foot arm 4 after limiting is opposite to the jack 9 on the connecting arm 6, at this time, the movable rod 12 is inserted into the jack 9 from the connecting hole 11, and the movable rod 12 is completely inserted into the fixing port 10 through the fixing mechanism 13, so that the presser foot arm 4 and the presser foot 3 are installed and fixed, the high-speed trolley for making a non-woven fabric bag can realize simple detachment and installation of the presser foot 3, convenience in replacement, easy operation, high practicability and high practicability are realized, and high sewing effect.

The limiting mechanism 8 comprises a mounting opening 81 formed in the connecting arm 6, a limiting spring 82 arranged in the mounting opening 81, a limiting block 83 arranged on the mounting opening 81 in a sliding manner and a limiting opening 84 formed in the presser foot arm 4 and positioned beside the socket 7, the joint surfaces of the limiting block 83 and the limiting opening 84 are cambered surfaces, the end part of the limiting spring 82 is fixedly arranged with the connecting arm 6 and the limiting block 83 respectively, and the limiting spring 82 is pressed between the connecting arm 6 and the limiting block 83; when dismantling presser foot arm 4, presser foot arm 4 is in the gliding in-process down on linking arm 6, presser foot arm 4 inner wall is contradicted to stopper 83 and is made stopper 83 receive the extrusion force, stopper 83 receives extrusion force compression limit spring 82 gets into inside the installing port 81, when stopper 83 breaks away from spacing port 84, can realize dismantling presser foot arm 4 and presser foot 3, when installing presser foot arm 4 and presser foot 3, the in-process presser foot arm 4 of inserting on linking arm 6 inner wall is contradicted to stopper 83 and is made stopper 83 receive extrusion force compression limit spring 82 gets into installing port 81, when presser foot arm 4 is inserted on linking arm 6 completely, installing port 81 on linking arm 6 is just to spacing port 84 on the presser foot arm 4, at this moment, the restoring force through limit spring 82 clamps stopper 83 in spacing port 84, carry out spacing and be convenient for follow-up to presser foot arm 4 and presser foot 3 and fix completely.

The size of the connecting arm 6 is matched with the size of the socket 7, and the size of the limiting block 83 is matched with the size of the limiting port 84; the stability of the presser foot arm 4 after the presser foot 3 is fixed is improved.

The fixed mechanism 13 comprises a chute 131 arranged in the movable rod 12, a fixed block 132 arranged in the chute 131 in a sliding manner, a reset spring 133 fixedly arranged in the movable rod 12, a pull rod 134 fixedly arranged at the end part of the reset spring 133 and a driving piece 135 arranged on the movable rod 12 and used for driving the fixed block 132 to horizontally move, wherein the pull rod 134 and the fixed block 132 are fixedly arranged, and the side surface of the fixed block 132, which is close to one end of the pull rod 134, is provided with an inclined surface; the operator rotates the driving piece 135 to enable the driving piece 135 to be far away from the fixed block 132, the pull rod 134 is pulled by the restoring force of the restoring spring 133, the pull rod 134 pulls the fixed block 132 to slide on the sliding groove 131 into the movable rod 12, the fixed block 132 is separated from the fixed port 10, the presser foot arm 4 can be unlocked, and otherwise, the fixed block 132 in the movable rod 12 can be inserted into the fixed port 10 through the driving piece 135 to fix the presser foot arm 4 and the presser foot 3.

The driving piece 135 comprises a slideway 1351 arranged in the movable rod 12, a nut 1352 fixedly arranged on the movable rod 12, a screw rod 1353 in threaded connection with the nut 1352, a handle 1354 fixedly arranged at the end part of the screw rod 1353 and a squeezing block 1355 fixedly arranged at the end part of the screw rod 1353, wherein the squeezing block 1355 is arranged on the slideway 1351 in a sliding manner, and the end part of the squeezing block 1355 close to one end of the fixed block 132 is arc-shaped; the operating personnel rotates handle 1354, and handle 1354 rotates and drives rather than fixed mounting's screw 1353 to rotate on nut 1352 for screw 1353 outwards removes on nut 1352, and screw 1353 drives extrusion piece 1355 and slides on slide 1351 and keep away from fixed block 132, alright make fixed block 132 be close to each other and break away from fixed port 10, and contrarily rotate handle 1354 and drive extrusion piece 1355 and remove extrusion fixed block 132 toward fixed block 132 department, with fixed block 132 card income fixed port 10 in, alright fix presser foot arm 4 completely, be favorable to realizing driving fixed block 132, simple structure, convenient operation.

The jack 9 and the fixed port 10 are at least provided with two groups, and the number of the groups of the connecting holes 11 and the movable rods 12 is the same as that of the jack 9; the stability of the presser foot arm 4 and the presser foot 3 after being installed and fixed is improved.

Working principle: when an operator needs to disassemble the presser foot 3, firstly, a handle 1354 on the movable rod 12 is rotated, the handle 1354 rotates to drive a screw 1353 fixedly installed on the movable rod 12 to rotate on a nut 1352, the screw 1353 moves outwards on the nut 1352, the screw 1353 drives a squeezing block 1355 to slide on a slide 1351 and far away from a fixed block 132, a pull rod 134 is pulled by the restoring force of a return spring 133, the pull rod 134 pulls the fixed block 132 to slide on the slide slot 131 into the movable rod 12, the fixed block 132 is separated from a fixed port 10, then the movable rod 12 is pulled out of a jack 9 and a connecting hole 11, after the movable rod 12 is removed, a presser foot arm 4 is held by a hand to be vertically pulled downwards, in the process that the presser foot arm 4 slides downwards on the connecting arm 6, the inner wall of the presser foot arm 4 is abutted to a limiting block 83, the limiting block 83 is subjected to a squeezing force, the limiting block 83 is subjected to the squeezing force to compress the limiting spring 82 to enter the inside the mounting port 81, when the limiting block 83 breaks away from the limiting opening 84, the detachment of the presser foot arm 4 and the presser foot 3 can be realized, when the presser foot arm 4 and the presser foot 3 are installed, the socket 7 on the presser foot arm 4 is directly opposite to the connecting arm 6, the socket 7 is inserted on the connecting arm 6, the inner wall of the presser foot arm 4 is abutted against the limiting block 83 in the process of inserting the presser foot arm 4 on the connecting arm 6, so that the limiting block 83 is compressed by the extrusion force to compress the limiting spring 82 to enter the installation opening 81, when the presser foot arm 4 is completely inserted on the connecting arm 6, the installation opening 81 on the connecting arm 6 is opposite to the limiting opening 84 on the presser foot arm 4, at the moment, the limiting block 83 is clamped into the limiting opening 84 by the restoring force of the limiting spring 82, the connecting hole 11 on the limiting presser foot 4 is opposite to the jack 9 on the connecting arm 6, at the moment, the movable rod 12 is inserted into the jack 9 from the connecting hole 11, and when the movable rod 12 is completely inserted, the handle 1354 is rotated to drive the extrusion block 1355 to move towards the fixing block 132 to extrude the fixing block 132, and the fixing block 132 is clamped into the fixing opening 10, so that the presser foot arm 4 and the presser foot 3 can be completely fixed.

Claims

1. The utility model provides a high car sewing machine for non-woven fabrics system bag, includes sewing machine body (1), aircraft nose (2), presser foot (3), presser foot arm (4) and needle (5), a serial communication port, fixed mounting has linking arm (6) on aircraft nose (2), jack (7) have been seted up on presser foot arm (4), be provided with on linking arm (6) and presser foot arm (4) and be used for carrying out spacing stop gear (8) that are convenient for follow-up fixed to presser foot (3), jack (9) and fixed orifices (10) have been seted up on linking arm (6), jack (9) are linked together with fixed orifices (10), connecting hole (11) have been seted up on presser foot arm (4), slide on jack (9) and connecting hole (11) and be provided with movable rod (12), be provided with on movable rod (12) and be used for carrying out fixed mechanism (13) to arm (4) and presser foot (3).

2. The high car sewing machine for making bags from non-woven fabrics according to claim 1, characterized in that the limiting mechanism (8) comprises a mounting opening (81) formed in the connecting arm (6), a limiting spring (82) arranged in the mounting opening (81), a limiting block (83) arranged on the mounting opening (81) in a sliding manner and a limiting opening (84) formed in the presser foot arm (4) and located beside the socket (7), the abutting surfaces of the limiting block (83) and the limiting opening (84) are both cambered surfaces, the end part of the limiting spring (82) is fixedly mounted with the connecting arm (6) and the limiting block (83) respectively, and the limiting spring (82) is pressed between the connecting arm (6) and the limiting block (83).

3. A sewing machine for making bags from non-woven fabrics according to claim 2, characterized in that the connecting arm (6) is adapted in size to the socket (7) and the stopper (83) is adapted in size to the stopper opening (84).

4. The high car sewing machine for making bags from non-woven fabrics according to claim 1, wherein the fixing mechanism (13) comprises a chute (131) arranged in the movable rod (12), a fixed block (132) arranged in the chute (131) in a sliding manner, a return spring (133) fixedly arranged in the movable rod (12), a pull rod (134) fixedly arranged at the end part of the return spring (133) and a driving piece (135) arranged on the movable rod (12) for driving the fixed block (132) to horizontally move, the pull rod (134) and the fixed block (132) are fixedly arranged, and the side surface of the fixed block (132) close to one end of the pull rod (134) is provided with an inclined surface.

5. The high car sewing machine for making bags from non-woven fabrics according to claim 4, wherein the driving member (135) comprises a slideway (1351) arranged in the movable rod (12), a nut (1352) fixedly arranged on the movable rod (12), a screw (1353) connected with the nut (1352) in a threaded manner, a handle (1354) fixedly arranged at the end of the screw (1353) and a squeezing block (1355) fixedly arranged at the end of the screw (1353), the squeezing block (1355) is slidably arranged on the slideway (1351), and the shape of the end of the squeezing block (1355) close to one end of the fixed block (132) is arc-shaped.

6. The high car sewing machine for making bags from non-woven fabrics according to claim 4, wherein at least two groups of the insertion holes (9) and the fixed ports (10) are arranged, and the number of the groups of the connecting holes (11) and the movable rods (12) is the same as the number of the groups of the insertion holes (9).