CN219010634U

CN219010634U - Sewing device capable of automatically sewing circular track

Info

Publication number: CN219010634U
Application number: CN202223548799.7U
Authority: CN
Inventors: 朱晓辉
Original assignee: Zhejiang Sunshine Leisure Products Co ltd
Current assignee: Zhejiang Sunshine Leisure Products Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-12
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a sewing device capable of automatically sewing a circular track, which comprises a frame (1), a sewing machine head (2) and a cloth feeding plate (3), wherein a rotating motor (4) is arranged on the frame (1), and a linkage cross rod (5) is arranged on the rotating motor (4); a linkage vertical rod (6) is vertically arranged on the top surface of the end part of the linkage cross rod (5), and a linkage piece (7) is arranged on the top surface of the linkage vertical rod (6); mounting seats (8) are arranged at two end parts of the linkage piece (7), and lifting cylinders (9) are arranged on each mounting seat (8); each lifting cylinder (9) is provided with an inclined supporting rod (10), and a sewing pressing plate (11) is arranged between the two supporting rods (10); a round hole (12) is arranged in the middle of the sewing pressing plate (11). The utility model not only can improve the working efficiency, but also has the advantages of good sewing effect, convenient use, long service life, high structural stability and high use safety.

Description

Sewing device capable of automatically sewing circular track

Technical Field

The utility model relates to a sewing device, in particular to a sewing device capable of automatically sewing a circular track.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more types of stitch on the stitch, so that one or more layers of stitch are interwoven or sewn together, and the sewing machine is needed to be used for sewing a chair surface or a leaning surface and the like in the process of producing the leisure chair; because various types of existing leisure chairs are adopted, a plurality of manufacturers can use a sewing machine to sew circular stitches on the fabric of a chair surface or a leaning surface in order to increase the attractiveness of the leisure chair, but because the positions of sewing needles on a common sewing machine are fixed, when arc-shaped stitches such as circular stitches are needed to be sewn, the stitches are firstly traced on the fabric by using a painting brush and the like manually, then an operator is required to adjust the moving direction and the angle of the fabric in the sewing process, and the sewing machine is controlled to work, so that the operation is complex, a lot of time is consumed, and the overall working efficiency is low. Therefore, the conventional sewing machine has a problem of low work efficiency when sewing a stitch having an arc such as a circle.

Disclosure of Invention

The utility model aims to provide a sewing device capable of automatically sewing a circular track. The utility model has the advantage of high working efficiency.

The technical scheme of the utility model is as follows: the sewing device capable of automatically sewing the circular track comprises a frame, a sewing machine head arranged on the frame and a cloth feeding plate arranged right below the sewing machine head, wherein a rotating motor arranged on one side of the sewing machine head is arranged on the frame, and a horizontal linkage cross rod is arranged on the rotating motor; a linkage vertical rod is vertically arranged on the top surface of the linkage cross rod, which is far away from the end part of the rotating motor, and a linkage piece is arranged on the top surface of the linkage vertical rod; mounting seats are arranged at the two ends of the linkage piece, and lifting cylinders are arranged on each mounting seat; each lifting cylinder is provided with an inclined supporting rod, and a sewing pressing plate positioned under the sewing machine head is arranged between the two supporting rods; a round hole is formed in the middle of the sewing pressing plate; the rotating motor drives the sewing pressing plate to perform circular motion on a horizontal plane through the linkage cross rod, the linkage vertical rod and the linkage piece, a round hole is formed in the middle of the sewing pressing plate, and the cloth feeding plate is matched with the rotating motor to automatically drive cloth to perform circular motion, so that a circular track can be sewn on the cloth by the sewing machine head, the working efficiency is improved, the sewn track is smoother and attractive, and the sewing effect is ensured; the lifting cylinder and the inclined supporting rod are arranged to connect the two ends of the sewing pressing plate, so that the sewing pressing plate can move up and down, and when a straight line track needs to be sewn, the sewing pressing plate is lifted, so that the sewing machine head can perform daily sewing work, and the use flexibility is improved; and the mode of two branches can guarantee the stability of sewing clamp plate position and removal, has guaranteed the stability of structure.

In the sewing device capable of automatically sewing the circular track, the connecting piece is arranged on the supporting rod at the position corresponding to the position connected with the sewing pressing plate, and a plurality of first connecting holes which are uniformly distributed are formed in the connecting piece; the top surfaces of the two end parts of the sewing pressing plate are provided with a plurality of second connecting holes corresponding to the first connecting holes, and fasteners are arranged between the second connecting holes and the first connecting holes; the support rod is connected with the sewing pressing plate through the first connecting hole, the second connecting hole and the fastener, so that the sewing pressing plate can be conveniently replaced and overhauled while the connection stability between the support rod and the sewing pressing plate is ensured, and overhauling is facilitated.

In the sewing device capable of automatically sewing the circular track, the two supporting rods are respectively arranged at two sides of the sewing machine head; a supporting seat for supporting the linkage piece is arranged on the top surface of the frame at the position corresponding to the position between each supporting rod and the rotating motor; the linkage member moves in all directions on the top surface of the supporting seat.

In the sewing device capable of automatically sewing the circular track, one side, close to the sewing machine head, of the supporting seat is provided with kidney-shaped holes positioned on the frame, and each kidney-shaped hole is provided with a positioning piece; an infrared sensor is arranged on the side surface of each positioning piece, which is far away from the supporting seat, and the infrared sensor is electrically connected with the sewing machine head; the bottom surface of the frame is provided with a driving cylinder for driving the positioning piece to move, and the driving cylinder is arranged on one side of the kidney-shaped hole.

In the sewing device capable of automatically sewing the circular track, the two side surfaces of the sewing pressing plate are respectively provided with a protection lug which bends upwards; the sewing needle on the sewing machine head can be protected by the protective lugs, so that injury to a human body caused by emergency (such as breakage of the sewing needle) can be avoided to a certain extent, and the use safety is improved.

In the sewing device capable of automatically sewing the circular track, a first shock pad is adhered to the top surface of the frame at a position corresponding to the rotating motor, and a second shock pad is arranged between the first shock pad and the rotating motor; the first shock pad and the second shock pad which are overlapped up and down are utilized to absorb the shock generated when the rotating motor works, so that the influence of the shock generated by the rotating motor on the sewing work of the sewing machine head is avoided, the influence of the sewing machine head on the work of the rotating motor is avoided, and the stability of the work is ensured; and the first shock pad and the second shock pad can also lift the height of the rotating motor.

Compared with the prior art, the utility model improves the existing sewing machine, the rotating motor is arranged on one side of the sewing machine head, the sewing press plate is driven to perform circular motion on a horizontal plane by the linkage cross rod, the linkage vertical rod and the linkage piece, the middle part of the sewing press plate is provided with the round hole, and the cloth feeding plate is matched to automatically drive the cloth to perform circular motion, so that the sewing machine head can sew out a circular track on the cloth, compared with the traditional mode of manually scribing on the cloth and pushing the cloth to move along the drawn line, the working efficiency is improved, the sewn track is smoother and attractive, and the sewing effect is ensured; the lifting cylinder and the inclined supporting rod are arranged to connect the two ends of the sewing pressing plate, so that the sewing pressing plate can move up and down, and when a straight line track needs to be sewn, the sewing pressing plate only needs to be lifted, so that the sewing machine head can perform daily sewing work, and the use flexibility is improved; the mode of the two support rods can ensure the position and the moving stability of the sewing pressing plate, and the structural stability is ensured; meanwhile, a round hole is formed in the middle of the sewing pressing plate, and the round hole can be used for protecting and limiting one side of a sewing needle on the sewing machine head when a round track is sewn, so that the sewing effect is guaranteed; when the circular track is not needed to be sewn, the round hole can be used as a through hole to enable the sewing pressing plate to pass through the sewing needle on the sewing machine head, so that the sewing pressing plate is prevented from obstructing the implementation or operation of the sewing work, and the use is convenient. In addition, the connecting piece is arranged on the supporting rod, and the connecting piece and the sewing pressing plate are connected together through the first connecting hole, the second connecting hole and the fastening piece (the fastening piece can adopt screws, bolts and the like), so that the connection stability between the connecting piece and the sewing pressing plate is ensured, and meanwhile, the sewing pressing plate can be conveniently replaced and overhauled, and the overhauling is convenient; two symmetrically distributed supporting seats are arranged on the frame, and the supporting seats can be used for supporting below the linkage piece, so that damage caused by overlarge pressure on the rotating motor is reduced, and the service life is prolonged; the supporting seat only plays a supporting role and is not bonded with the linkage piece, that is, the supporting seat does not influence the movement of the linkage piece, so that the stable cloth moving work of the sewing pressing plate is ensured; the waist-shaped hole, the positioning piece and the driving cylinder are arranged on the frame, the infrared sensor on the positioning piece can be used for detecting the position of the sewing pressing plate, whether the sewing pressing plate presses cloth or not is determined, and further, the starting of the sewing machine head and the rotating motor is automatically controlled, automatic work is achieved, and the use is convenient; the driving cylinder can drive the positioning piece to move, so that the distance between the positioning piece and the sewing pressing plate can be adjusted to adapt to the space required by the movement of cloth with different sizes, and the use flexibility is improved; the two side surfaces of the sewing pressing plate are respectively provided with the upward bending protective lugs, so that the sewing needle on the sewing machine head can be protected by the protective lugs, the injury to a human body caused by emergency situations (such as breakage of the sewing needle) is avoided, and the use safety is improved; the first shock pad and the second shock pad are arranged on the frame, so that vibration generated when the rotating motor works is absorbed by the first shock pad and the second shock pad which are overlapped up and down, the influence of the vibration generated by the rotating motor on the sewing work of the sewing machine head is avoided, meanwhile, the influence of the sewing machine head on the work of the rotating motor is also avoided, and the stability of the work is ensured; and the first shock pad and the second shock pad can also lift the height of the rotating motor. Therefore, the utility model not only can improve the working efficiency, but also has the advantages of good sewing effect, convenient use, long service life, high structural stability and high use safety.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a top view of a sewing platen;

fig. 5 is a partial enlarged view at a in fig. 3.

The marks in the drawings are: the device comprises a 1-frame, a 2-sewing machine head, a 3-cloth feeding plate, a 4-rotating motor, a 5-linkage cross rod, a 6-linkage vertical rod, a 7-linkage piece, an 8-installation seat, a 9-lifting cylinder, a 10-supporting rod, an 11-sewing pressing plate, a 12-round hole, a 13-connecting piece, a 14-first connecting hole, a 15-second connecting hole, a 16-fastening piece, a 17-supporting seat, a 18-kidney-shaped hole, a 19-positioning piece, a 20-infrared sensor, a 21-driving cylinder, a 22-protection lug, a 23-first shock pad and a 24-second shock pad.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples. The sewing device capable of automatically sewing circular tracks is formed as shown in figures 1 to 5 and comprises a frame 1, a sewing machine head 2 arranged on the frame 1 and a cloth feeding plate 3 positioned right below the sewing machine head 2, and is characterized in that: a rotating motor 4 positioned at one side of the sewing machine head 2 is arranged on the frame 1, and a horizontal linkage cross bar 5 is arranged on the rotating motor 4; a linkage vertical rod 6 is vertically arranged on the top surface of the end part of the linkage cross rod 5, which is far away from the rotating motor 4, and a linkage piece 7 is arranged on the top surface of the linkage vertical rod 6; mounting seats 8 are arranged at the two ends of the linkage piece 7, and lifting cylinders 9 are arranged on each mounting seat 8; each lifting cylinder 9 is provided with an inclined supporting rod 10, and a sewing pressing plate 11 positioned right below the sewing machine head 2 is arranged between the two supporting rods 10; a round hole 12 is arranged in the middle of the sewing pressing plate 11.

The connecting piece 13 is arranged on the support rod 10 at a position corresponding to the position connected with the sewing pressing plate 11, and a plurality of first connecting holes 14 which are uniformly distributed are arranged on the connecting piece 13; the top surfaces of the two end parts of the sewing pressing plate 11 are provided with a plurality of second connecting holes 15 corresponding to the first connecting holes 14, and a fastener 16 is arranged between the second connecting holes 15 and the first connecting holes 14; the two supporting rods 10 are respectively arranged at two sides of the sewing machine head 2; a supporting seat 17 for supporting the linkage piece 7 is arranged on the top surface of the frame 1 at a position corresponding to the position between each supporting rod 10 and the rotary motor 4; the linkage 7 moves in all directions on the top surface of the support seat 17; a waist-shaped hole 18 positioned on the frame 1 is arranged on one side, close to the sewing machine head 2, of the supporting seat 17, and a positioning piece 19 is arranged on each waist-shaped hole 18; an infrared sensor 20 is arranged on the side surface of each positioning piece 19 far away from the supporting seat 17, and the infrared sensor 20 is electrically connected with the sewing machine head 2; a driving cylinder 21 for driving the positioning piece 19 to move is arranged on the bottom surface of the frame 1, and the driving cylinder 21 is arranged on one side of the kidney-shaped hole 18; the two side surfaces of the sewing pressing plate 11 are respectively provided with a protective lug 22 which is bent upwards; a first shock pad 23 is adhered to the top surface of the frame 1 at a position corresponding to the rotary motor 4, and a second shock pad 24 is arranged between the first shock pad 23 and the rotary motor 4.

Working principle: when the sewing machine works specifically, the whole device is connected with external safe commercial power, so that the whole sewing machine head 2, the infrared sensor 20 and the like can be powered normally; then, the sewing materials needing to be sewn with the circular stitch are placed on the cloth feeding plate 3 of the frame 1, the distance between the positioning piece 19 and the sewing materials is adjusted according to the length of the sewing materials and the size of the circular stitch needing to be sewn, the specific adjusting step is to control the starting of the driving air cylinder 21, the driving air cylinder 21 can push the positioning piece 19 to move in the kidney-shaped hole 18 after being started, and the driving air cylinder 21 can be controlled to be stopped after the positioning piece 19 moves to a proper position.

After the positions of the positioning pieces 19 are adjusted, the two lifting cylinders 9 are controlled to be synchronously started, the lifting cylinders 9 can drive the supporting rod 10 to move towards the top surface of the frame 1 after being started, and the supporting rod 10 is tightly installed with the sewing pressing plate 11 through the connecting piece 13, the first connecting hole 14, the second connecting hole 15 and the fastening piece 16, so that the sewing pressing plate 11 can be synchronously driven to move together in the moving process of the supporting rod 10, and finally the bottom surface of the sewing pressing plate 11 is attached to the fabric and is matched with the cloth feeding plate 3 to clamp the fabric; when the sewing press plate 11 is attached to the fabric, the infrared sensor 20 detects the existence of the sewing press plate 11, and at the moment, the infrared sensor 20 sends an electric signal to an external controller (the controller is arranged on the side surface of the frame 1, particularly can be of the type FX2C-20MRD, cortex-R8, cortex-M7 and the like and is used for controlling the working states of different parts of the whole sewing yellow river, and meanwhile, the infrared sensor 20 particularly can be of the type PIS209, LHI878, SE2470 and the like), and after receiving the electric signal, the controller can determine that the sewing press plate 11 moves in place and then controls the lifting cylinder 9 to stop after 0.3 seconds; then, the rotating motor 4 and the sewing machine head 2 are controlled to start, wherein the sewing machine head 2 can drive a sewing needle on the sewing machine head 2 to reciprocate up and down after being started, so that the aim of sewing the stitch on the surface of the sewing material is fulfilled by matching with the sewing thread; the rotating motor 4 can drive the linkage cross rod 5 to rotate on the horizontal plane after being started, the linkage cross rod 5 can drive the linkage vertical rod 6 to move together in the rotating process, and the linkage vertical rod 6 is arranged on the top surface of one end part of the linkage cross rod 5, so that the linkage vertical rod 6 can perform circular motion by taking the rotating motor 4 as the circle center and the linkage cross rod 5 as the radius; because the linkage piece 7 is arranged on the linkage vertical rod 6, the linkage vertical rod 6 can synchronously drive the linkage piece 7 to move together in the moving process of the linkage vertical rod 6, the support rod 10 is synchronously driven to move when the linkage piece 7 moves, the sewing pressing plate 11 is finally driven to do circular motion on the horizontal plane through the support rod 10, the cloth feeding plate 3 is matched to drive the sewing material to move together in the moving process of the sewing pressing plate 11, the sewing pressing plate 11 is utilized to drive the fabric to do circular motion, and the sewing work of the sewing machine head 2 is added, so that the aim of sewing circular stitches on the surface of the sewing material is fulfilled.

In the working process of the rotating motor 4, the first shock pad 23 and the second shock pad 24 (the first shock pad 23 and the second shock pad 24 can be made of rubber specifically) can perform shock absorption work below the rotating motor 4 so as to avoid the influence of the vibration of the rotating motor 4 on the work of the sewing machine head 2; meanwhile, the influence of the sewing machine head 2 on the rotating motor 4 can be avoided in the reverse direction, and the use stability is improved.

Claims

1. Can automize and make the Sewing machines of the circular orbit, including the frame (1), install the sewing machine head (2) on the frame (1) and lie in the cloth board (3) of walking under the sewing machine head (2), its characterized in that: a rotating motor (4) positioned at one side of the sewing machine head (2) is arranged on the frame (1), and a horizontal linkage cross bar (5) is arranged on the rotating motor (4); a linkage vertical rod (6) is vertically arranged on the top surface of the end part of the linkage cross rod (5) far away from the rotating motor (4), and a linkage piece (7) is arranged on the top surface of the linkage vertical rod (6); mounting seats (8) are arranged at two end parts of the linkage piece (7), and lifting cylinders (9) are arranged on each mounting seat (8); each lifting cylinder (9) is provided with an inclined supporting rod (10), and a sewing pressing plate (11) positioned right below the sewing machine head (2) is arranged between the two supporting rods (10); a round hole (12) is arranged in the middle of the sewing pressing plate (11).

2. The sewing device capable of automatically sewing a circular track according to claim 1, wherein: connecting pieces (13) are arranged on the supporting rods (10) at positions corresponding to the positions connected with the sewing pressing plates (11), and a plurality of first connecting holes (14) which are uniformly distributed are formed in the connecting pieces (13); the top surfaces of the two end parts of the sewing pressing plate (11) are provided with a plurality of second connecting holes (15) corresponding to the first connecting holes (14), and fasteners (16) are arranged between the second connecting holes (15) and the first connecting holes (14).

3. The sewing device capable of automatically sewing a circular track according to claim 1, wherein: the two supporting rods (10) are respectively arranged at two sides of the sewing machine head (2); a supporting seat (17) for supporting the linkage piece (7) is arranged on the top surface of the frame (1) at the position corresponding to the position between each supporting rod (10) and the rotating motor (4); the linkage (7) moves in all directions on the top surface of the support seat (17).

4. A sewing apparatus for automated sewing of circular tracks as recited in claim 3, wherein: a kidney-shaped hole (18) positioned on the frame (1) is arranged on one side, close to the sewing machine head (2), of the supporting seat (17), and a positioning piece (19) is arranged on each kidney-shaped hole (18); an infrared sensor (20) is arranged on the side surface of each positioning piece (19) far away from the supporting seat (17), and the infrared sensor (20) is electrically connected with the sewing machine head (2); a driving cylinder (21) for driving the positioning piece (19) to move is arranged on the bottom surface of the frame (1), and the driving cylinder (21) is arranged on one side of the kidney-shaped hole (18).

5. The sewing device capable of automatically sewing a circular track according to claim 1, wherein: both side surfaces of the sewing pressing plate (11) are provided with upward bending protective lugs (22).

6. The sewing device for automated sewing of circular trajectories according to any of claims 1 to 5, wherein: a first shock pad (23) is adhered to the top surface of the frame (1) at a position corresponding to the rotating motor (4), and a second shock pad (24) is arranged between the first shock pad (23) and the rotating motor (4).