CN211946251U - Corner sewing device of surrounding edge machine - Google Patents

Abstract

The utility model discloses a corner sewing device of a surrounding edge machine, which comprises a lower mounting disc, a rotating shaft, an upper mounting disc, a rotating disc, a sewing machine and a power device; power device is connected with mounting disc down, and power device's output and axis of rotation drive are connected, the vertical setting of axis of rotation, the upper portion and the last mounting disc rigid coupling of axis of rotation, and sewing machine includes syringe needle, needle file, sewing machine main part, and syringe needle, needle file all link to each other with the sewing machine main part, and the needle file top is located to the syringe needle, and the sewing machine main part links to each other with last mounting disc, and the rear of syringe needle is located to the axis of rotation. The power device sewing machine and the peripheral cushion synchronously rotate ninety degrees; then, the power device drives the sewing machine to rotate for ninety degrees to reset, the position of the peripheral cushion is unchanged in the process, the sewing machine can surround the corners of the peripheral cushion while rotating, the sewing machine can sew continuous and smooth circular-arc routing lines at the four corners of the peripheral cushion, the routing lines are attractive, and the quality of the surrounding edges is stable.

Description

Corner sewing device of surrounding edge machine

Technical Field

The utility model relates to a surrounding edge machine or serging machine field, especially a corner sewing device of surrounding edge machine.

Background

The prior edge binding machine or edge locking machine is provided with a corner mechanism, for example, Chinese patent with publication number CN201334356 discloses a corner device of the edge binding machine, which is arranged at one side of a conveying belt of the edge binding machine and comprises a support and a motor arranged on the support, a swing frame is arranged above the conveying belt, a transmission mechanism for enabling the swing frame to swing in an arc shape is arranged between the swing frame and the motor, at least two pressure plates and a baffle plate used for blocking the side edge of a mattress are arranged on the swing frame, the pressure plates are positioned at one side of the baffle plate, an adjusting structure for adjusting the height of the baffle plate is arranged between the swing frame and the baffle plate, and a lifting structure for driving the pressure plates to lift is arranged between the swing frame and each pressure plate. The working principle is as follows: when "the corner device department of this surrounding edge machine is carried with the mattress to the surrounding edge machine conveyer belt, the motor passes through drive mechanism and drives the swing span and be close to the side of mattress, and elevation structure promotes the pressure disk and steps down to the top surface of mattress simultaneously on, the mattress rotates along with the conveyer belt, and the baffle continues to be the arc swing under drive mechanism's promotion, with the mattress at the uniform velocity corner. After the mattress completes one turning, the lifting structure pulls the pressure plate to move upwards, and the swing frame returns to the original position to wait for the next turning. "

Besides the corner mechanism and the conveying belt, the edge surrounding machine also comprises a sewing machine, the sewing machine in the prior art is fixed beside the conveying belt, in the edge surrounding process, after the sewing machine completes the edge surrounding on one side of the mattress, the mattress is rotated by ninety degrees by using the corner device of the edge surrounding machine, and then the sewing machine performs the edge surrounding on the other side of the mattress. Because foretell corner device of surrounding edge machine is at the rotatory in-process, the sewing machine need pause work, and the syringe needle upwards lifts off the mat, avoids the syringe needle of sewing machine to hinder the mattress and rotates, and when the corner was accomplished, the syringe needle of sewing machine continued work, and its point that starts sewing and the point of its preceding pause sewing often are not same point on the mattress, consequently, the sewing of the four corners department of mattress is walked the line and is not smooth, and the sewing quality in the four corners of mattress is unstable, the quality is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: when the existing edge surrounding machine is used for surrounding edges, the four corners of the peripheral cushion are not smoothly routed, and the quality of the surrounding edges is unstable.

The utility model provides a solution of its technical problem is:

a corner sewing device of a surrounding edge machine comprises a lower mounting disc, a rotating shaft, an upper mounting disc, a sewing machine and a power device; the power device with the mounting disc is connected down, power device's output with rotation axis drive connects, the vertical setting of axis of rotation, the upper portion of axis of rotation with go up the mounting disc rigid coupling, sewing machine includes syringe needle, needle file, sewing machine main part, syringe needle, needle file all link to each other with the sewing machine main part, the syringe needle is located the needle file top, the sewing machine main part with it links to each other to go up the mounting disc, the axis of rotation is located the rear of syringe needle.

The upper end and the lower end of the mounting column are fixedly connected with the swing arm and the upper mounting plate respectively, the pressing mechanism mounting seat is fixedly connected with the rear end of the swing arm, and the pressing block is movably connected with the pressing mechanism mounting seat in the up-down direction.

Further, the pressing mechanism comprises an air cylinder, the air cylinder is connected with the pressing mechanism mounting seat, and the air cylinder drives the pressing block to move up and down.

Optionally, the mounting plate comprises a base, and the lower mounting plate is fixedly connected to the base.

Further, still including accepting board, rolling disc, the rolling disc is located go up the mounting disc top and with go up the mounting disc rigid coupling, the sewing machine main part is located the rolling disc side, the top surface of needle file with the top surface of rolling disc flushes, the back lateral wall of rolling disc is the arc, accept the board with the base rigid coupling, accept to be equipped with the forward arc breach of opening on the board, the back lateral wall of rolling disc with arc breach swivelling joint.

Furthermore, the needle holder further comprises a limiting plate, the limiting plate is arranged above the rotating disc and fixedly connected with the front part of the rotating disc, and the limiting plate is arranged on the left side of the needle holder.

Optionally, the mounting plate further comprises a vertically arranged supporting column, the upper end of the supporting column is fixedly connected with the upper mounting plate, a ball is arranged on the lower portion of the supporting column, and the ball is connected with the lower mounting plate in a rolling manner.

Further, the top of the lower mounting plate is provided with a wear-resistant plate, and the wear-resistant plate is abutted to the ball.

Optionally, the power device further comprises a rotating sleeve, the rotating sleeve is sleeved on the rotating shaft, the power device is fixedly connected with the rotating sleeve, and a bearing is arranged between the rotating sleeve and the rotating shaft.

Optionally, the sewing machine further comprises a sliding seat and a sliding rail extending in the front-back direction, the sliding rail is fixedly connected with the upper mounting plate, the sliding seat is fixedly connected with the sewing machine body, and the sliding rail is slidably connected with the sliding seat in the front-back direction.

The utility model has the advantages that: the power device drives the rotating shaft, the upper mounting disc, the sewing machine and the peripheral cushion to synchronously rotate for ninety degrees, and the relative positions of the peripheral cushion, the needle head and the needle seat of the sewing machine are unchanged; then, the power device drives the sewing machine to rotate for ninety degrees to reset, the position of the peripheral cushion is unchanged in the process, the sewing machine can surround the corners of the peripheral cushion while rotating, and smooth arc-shaped routing lines are sewn on the corners of the peripheral cushion by the sewing machine; then, the sewing machine encloses the other edge of the peripheral cushion; the above process is cycled until the four sides of the cushion are all surrounded. The sewing machine can sew continuous and smooth circular arc lines at four corners of the peripheral cushion, the lines are beautiful, and the surrounding edge quality is stable.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a front view of the present application;

FIG. 2 is a left side view of the present application;

FIG. 3 is a perspective view of the present application;

FIG. 4 is a top view of the present application;

fig. 5 is a schematic view of the corner sewing device and the peripheral conveyor belt of the edge-surrounding machine of the present application.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1-5 are embodiments of the present application, specifically:

a corner sewing device of a surrounding edge machine comprises a lower mounting disc 14, a rotating shaft, an upper mounting disc 12, a sewing machine and a power device 41; power device 41 with the mounting disc 14 is connected down, power device 41's output with the axis of rotation drive is connected, the vertical setting of axis of rotation, the upper portion of axis of rotation with go up mounting disc 12 rigid coupling, sewing machine includes syringe needle, needle file 26, sewing machine main part 21, syringe needle, needle file 26 all link to each other with sewing machine main part 21, the syringe needle is located needle file 26 top, sewing machine main part 21 with it links to each other to go up mounting disc 12, the axis of rotation is located the rear of syringe needle.

The corner sewing device of the edge-surrounding machine is arranged beside an external transmission belt, and the upper surface of the transmission belt is flush with the upper surface of the needle seat 26. When the angle sewing device of the edge surrounding machine is used, the angle sewing device of the edge surrounding machine and the peripheral transmission belt work cooperatively, the peripheral transmission belt transmits a peripheral cushion from left to right, the peripheral cushion moves from left to right between the needle head and the needle seat 26, the sewing machine surrounds one edge of the peripheral cushion, after the surrounding of the edge is completed, the peripheral transmission belt stops moving, the needle head is pressed down to fix the peripheral cushion on the needle seat 26, and when the weight of the cushion is light, the needle head cannot be bent and broken; then, the power device 41 drives the rotating shaft, the upper mounting disc 12 and the sewing machine to rotate ninety degrees, the rotating direction is anticlockwise of the overlooking direction, the peripheral cushion also rotates ninety degrees, and the relative positions of the peripheral cushion, a needle head of the sewing machine and a needle seat 26 are unchanged; then, the power device 41 drives the rotating shaft to rotate for ninety degrees to reset, the rotating direction is clockwise in the overlooking direction, meanwhile, the sewing machine encloses the corners of the peripheral cushion, the position of the peripheral cushion is not changed in the process, and smooth arc-shaped routing is sewn on the corners of the peripheral cushion by the sewing machine; then, the peripheral conveying belt continuously conveys the peripheral cushion from left to right, and the sewing machine encloses the other side of the peripheral cushion; the above process is cycled until the four sides of the cushion are all surrounded. When the axis of the rotating shaft is arranged right behind the needle head, the enclosed round angle is a quarter circular arc, and the circular arc is tangent to the surrounding edges of two adjacent straight lines. When the axis of the rotating shaft is arranged at the oblique rear part of the needle head, a circular-angle-shaped routing line can be enclosed.

The power device 41 is preferably a servo motor with a reduction box, and the servo motor can accurately control the rotation angle of the rotating shaft to be ninety degrees. The sewing machine comprises a needle head, a needle seat 26 and a sewing machine main body 21, wherein the needle head and the needle seat 26 are connected with the sewing machine main body 21, the needle head is arranged above the needle seat 26 and is a general characteristic of the existing sewing machine, and the brand and the model of the sewing machine can be selected by a person skilled in the art. When in use, the peripheral transmission belt is close to the needle seat 26, so that the peripheral cushion is prevented from falling from a gap between the peripheral transmission belt and the needle seat 26.

Further as a preferred embodiment, the device further comprises a swing arm 31, a pressing mechanism mounting seat 32, a pressing block 33 and a mounting column 34, wherein the upper end and the lower end of the mounting column 34 are fixedly connected with the swing arm 31 and the upper mounting plate 12 respectively, the pressing mechanism mounting seat 32 is fixedly connected with the rear end of the swing arm 31, and the pressing block 33 is movably connected with the pressing mechanism mounting seat 32 in the vertical direction. After the surrounding edge of one edge of the peripheral cushion is finished, the pressing block 33 presses the peripheral cushion downwards, the mounting column 34 drives the pressing block 33 to rotate ninety degrees along with the peripheral cushion in the process of rotating ninety degrees of the peripheral cushion, therefore, in the rotating process, the needle head can press the peripheral cushion downwards and can also be separated from the peripheral cushion upwards, and after rotating ninety degrees, the relative position of the needle head and the peripheral cushion cannot be changed. This embodiment may be used for lightweight, heavy duty peripheral mats.

Further as a preferred embodiment, the device further comprises an air cylinder, wherein the air cylinder is connected with the pressing mechanism mounting seat 32, and the air cylinder drives the pressing block 33 to move up and down.

As an alternative embodiment, the device comprises a base 11, and the lower mounting plate 14 is fixedly connected to the base 11. The base 11 is mainly used for mounting the lower mounting plate 14, and the lower mounting plate 14 is at a certain height above the ground, so that a mounting space is conveniently provided for the power device 41, and a mounting space is also conveniently provided for the rotating sleeve 42 and the bearing.

Further as preferred embodiment, still include and accept board 25, rolling disc 22 locate go up mounting disc 12 top and with go up mounting disc 12 rigid coupling, sewing machine main part 21 locates rolling disc 22 side, the top surface of needle file 26 with the top surface of rolling disc 22 flushes, the back lateral wall of rolling disc 22 is the arc, accept board 25 with base 11 rigid coupling, be equipped with the forward arc breach of opening on accepting board 25, the back lateral wall of rolling disc 22 with arc breach swivelling joint. The bearing plate 25 plays a role in transition and bearing between the peripheral conveying belt and the rotating disc 22, and in the use process, the rotating disc 22 and the upper mounting disc 12 rotate together, so that an arc-shaped notch with a forward opening is formed in the bearing plate 25, and in the rotating process of the rotating disc 22, the change of a gap between the bearing plate 25 and the rotating disc 22 can be avoided, and the peripheral cushion can be prevented from falling off.

Further as a preferred embodiment, the device further includes a limiting plate 23, the limiting plate 23 is disposed above the rotating disc 22 and is fixedly connected to the front portion of the rotating disc 22, and the limiting plate 23 is disposed on the left side of the needle seat 26. The position restricting plate 23 is used to restrict the position of the front end of the peripheral mat from falling from the front side.

As an optional implementation manner, the device further includes a supporting column 13 vertically arranged, an upper end of the supporting column 13 is fixedly connected with the upper mounting plate 12, a ball is arranged at a lower portion of the supporting column 13, and the ball is in rolling connection with the lower mounting plate 14. The weight of the upper mounting disc 12 and the weight of the sewing machine are supported only by the rotating shaft, the rotating shaft is easy to damage, the supporting columns 13 are arranged to assist bearing, deformation and inclination of the upper mounting disc 12 are avoided, the supporting columns 13 are driven to rotate in the rotating process of the upper mounting disc 12, and the balls at the lower parts of the supporting columns 13 are used for reducing friction force between the supporting columns 13 and the lower mounting disc 14.

In a further preferred embodiment, a wear plate is provided on the top of the lower mounting plate 14, and the wear plate abuts against the balls. The wear-resistant sheet may be made of a material having a low friction coefficient such as copper.

As an optional implementation manner, the device further comprises a rotating sleeve 42, the rotating sleeve 42 is sleeved on the rotating shaft, the power device 41 is fixedly connected with the rotating sleeve 42, and a bearing is arranged between the rotating sleeve 42 and the rotating shaft. The bearing comprises an upper ring, balls and a lower ring, the top of the rotating sleeve 42 is connected with the lower ring, the top of the rotating shaft is connected with the upper ring, and the balls are abutted with the upper ring and the lower ring; similarly, a bearing may be provided between the lower portion of the rotating sleeve 42 and the lower portion of the rotating shaft, and the sliding friction between the rotating sleeve 42 and the rotating shaft is converted into the rolling friction between the upper ring and the lower ring of the bearing.

As an optional embodiment, the sewing machine further comprises a sliding seat 24 and a sliding rail 15 extending along the front-back direction, the sliding rail 15 is fixedly connected with the upper mounting plate 12, the sliding seat 24 is fixedly connected with the sewing machine main body 21, and the sliding rail 15 is slidably connected with the sliding seat 24 along the front-back direction. The position of the sliding seat 24 on the sliding rail 15 is changed, the position of the sewing machine is adjusted, the requirement of the surrounding edges of different cushions can be met, and the diameter of the arc-shaped routing lines at the four corners of the cushions is changed.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. The utility model provides a corner sewing device of surrounding edge machine which characterized in that: comprises a lower mounting disc (14), a rotating shaft, an upper mounting disc (12), a sewing machine and a power device (41); power device (41) with mounting disc (14) are connected down, power device (41) the output with the axis of rotation drive is connected, the vertical setting of axis of rotation, the upper portion of axis of rotation with go up mounting disc (12) rigid coupling, sewing machine includes syringe needle, needle file (26), sewing machine main part (21), syringe needle, needle file (26) all link to each other with sewing machine main part (21), the syringe needle is located needle file (26) top, sewing machine main part (21) with it links to each other to go up mounting disc (12), the axis of rotation is located the rear of syringe needle.

2. The corner sewing device of a hemming machine according to claim 1, wherein: still include swing arm (31), hold-down mechanism mount pad (32), compact heap (33), erection column (34), upper end, the lower extreme of erection column (34) respectively with swing arm (31), last mounting disc (12) rigid coupling, hold-down mechanism mount pad (32) with the rear end rigid coupling of swing arm (31), compact heap (33) with hold-down mechanism mount pad (32) is direction movable connection from top to bottom.

3. The corner sewing device of a hemming machine according to claim 2, wherein: the pressing mechanism is characterized by further comprising an air cylinder, the air cylinder is connected with the pressing mechanism mounting seat (32), and the air cylinder drives the pressing block (33) to move up and down.

4. The corner sewing device of a hemming machine according to claim 1, wherein: comprises a base (11), and a lower mounting disc (14) is fixedly connected on the base (11).

5. The corner sewing device of a hemming machine according to claim 4, wherein: still including accepting board (25), rolling disc (22) are located go up mounting disc (12) top and with go up mounting disc (12) rigid coupling, sewing machine main part (21) are located rolling disc (22) side, the top surface of needle file (26) with the top surface of rolling disc (22) flushes, the back lateral wall of rolling disc (22) is the arc, accept board (25) with base (11) rigid coupling, be equipped with the forward arc breach of opening on accepting board (25), the back lateral wall of rolling disc (22) with arc breach swivelling joint.

6. The corner sewing device of a hemming machine according to claim 5, wherein: still include limiting plate (23), limiting plate (23) are located the top of rolling disc (22) and with the anterior rigid coupling of rolling disc (22), limiting plate (23) are located the left side of needle file (26).

7. The corner sewing device of a hemming machine according to claim 1, wherein: the support column is characterized by further comprising a vertically arranged support column (13), the upper end of the support column (13) is fixedly connected with the upper mounting disc (12), balls are arranged on the lower portion of the support column (13), and the balls are connected with the lower mounting disc (14) in a rolling mode.

8. The corner sewing device of a hemming machine according to claim 7, wherein: and the top of the lower mounting disc (14) is provided with a wear-resistant plate, and the wear-resistant plate is abutted to the ball.

9. The corner sewing device of a hemming machine according to claim 1, wherein: still including rotating cover (42), it establishes to rotate cover (42) the axis of rotation, power device (41) with rotate cover (42) rigid coupling, rotate cover (42) with be equipped with the bearing between the axis of rotation.

10. The corner sewing device of a hemming machine according to claim 1, wherein: still include sliding seat (24), along slide rail (15) of fore-and-aft direction extension, slide rail (15) with go up mounting disc (12) rigid coupling, sliding seat (24) with sewing machine main part (21) rigid coupling, slide rail (15) with sliding seat (24) are along fore-and-aft direction sliding connection.

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