CN113481665A - Round collar sewing machine - Google Patents

Abstract

The invention provides a round collar sewing machine which does not need manual operation when a collar is sewn on collar cloth, has low labor intensity, does not bend sewing stitches, has uniform sewing quality and higher automation degree, and comprises a frame, a sewing machine set arranged on the frame and used for sewing, a collar loading device arranged on the frame and close to the sewing machine set and used for completing automatic collar loading work, and a sewing auxiliary device arranged on the collar loading device and used for arranging the collar cloth before sewing by the sewing machine set, the collar sewing machine further comprises a fitting device which is arranged on the sewing machine set and used for fitting the collar on the collar cloth after the sewing machine set sews the collar cloth on the upper garment piece, a loosening and clamping device which is arranged on the sewing machine set and used for loosening the collar when the collar is fitted on the collar cloth, and a traction device which is arranged between the rack and the sewing auxiliary device and used for drawing the collar when the sewing machine set sews the collar on the collar cloth.

Description

Round collar sewing machine

Technical Field

The invention relates to the technical field of round-neck sewing machines, in particular to a round-neck sewing machine.

Background

The operation mode of holding the clothes body and the collar cloth by hands by operators in the sewing process has the following defects: firstly, hands of operators hold the sewing materials for a long time, so that the hands are easy to fatigue and feel sour, and the labor intensity is high; secondly, the sewing route is controlled by hands in the sewing process, so that the situations of stitch bending and the like are easily caused, and the sewing effect is poor; thirdly, the quality of the sewn collar of different workers is difficult to unify, the collar heights are inconsistent, particularly, the collar of the stripe is more obvious, and the automation degree is lower.

Chinese patent number is 201821629462.X discloses a round collar sewing machine, including setting up the sewing machine group on the work platen, sewing machine group's left end is equipped with the eedle, and this round collar sewing machine is still including installing on the work platen and being close to sewing device's last neck device and installing the auxiliary device of making up on last neck device, and the neck cloth cover is established at last neck stage go up the neck device and make and refute a position operation at same position, send into the eedle and accomplish the whole circle of neck cloth and clothing body and make up after sewing auxiliary device arrangement again at sewing stage neck cloth. Go up leading device and include driving pulley group, driven pulley group and tensioning wheelset, wherein the center pin that driving pulley group installed at sewing machine group front side and its action wheel is fixed motionless, the tensioning wheelset is installed and is rotated and have and lead the operating position and make up the operating position on the center pin of below and its take-up pulley of driving pulley group on a fixed radius's circumference, but driven pulley group installs at sewing machine group rear side and its center pin from the driving pulley back-and-forth movement and have and lead the operating position and make up the operating position, just be equipped with the outage delay circuit that is used for making refuting the mouth position and stop at same sewing initial position that is triggered by refuted the mouth position of neck cloth on the driving pulley group, sewing auxiliary device installs the one side towards the eedle at driving pulley group. Preferably, the driving wheel set comprises a mounting seat, a driving wheel arranged at the top of the mounting seat through a first connecting seat and a driving motor arranged at the top of the mounting seat through a second connecting block and used for driving the driving wheel to rotate around a self-axis, the driving wheel consists of a conical part and a cylindrical part, and the mounting seat is fixedly connected with the working bedplate; outage time delay switch includes micro-gap switch, micro-gap switch's main part is installed on first connecting seat, micro-gap switch's lever fulcrum rotates to be connected on the second connecting seat and is connected with the first extension spring on the second connecting seat, micro-gap switch's lever response end extends to the cylinder below of action wheel and constitutes between response end and action wheel and walks the cloth clearance, should walk the cloth clearance adjustment for being less than the width of refute mouthful of position thickness of collarband cloth and be greater than the thickness of other positions of collarband cloth. The cylindrical part is provided with a limit flange corresponding to the position of the machine needle, and the outward protruding height of the limit flange is smaller than the thickness of the lapel position of the collar cloth. The tensioning wheel set comprises a tensioning wheel, an L-shaped oscillating bar and a rotary cylinder, the rotary cylinder is fixedly mounted on the mounting seat, one end of the L-shaped oscillating bar is fixedly connected with a rotating shaft of the rotary cylinder, the other end of the L-shaped oscillating bar is rotatably connected with the tensioning wheel, and the upper collar working position of the tensioning wheel is located below the driving wheel and is located on a collar cloth inner ring in the upper collar process. The driven wheel set comprises a driven wheel, a sliding plate, a guide rail and a first air cylinder, the guide rail is fixedly installed on the working table plate and is arranged in the front-back direction perpendicular to the central axis of the driving wheel, the sliding plate is vertically arranged, the bottom end of the sliding plate is matched with the guide rail in a sliding mode through a sliding block, the first air cylinder is fixedly installed at the top of the sliding plate, the driven wheel is fixedly installed on one side, facing the driving wheel set, of the sliding plate through an installation plate, and the cloth feeding end of the driven wheel is lower than the cloth discharging end of the driving wheel. The sewing auxiliary device comprises a supporting flat plate, the supporting flat plate is fixedly arranged on the collar mounting device in front of the machine needle, a second air cylinder is fixedly arranged on the right side of the bottom of the supporting flat plate, a second L-shaped plate is fixedly connected to the tail end of a piston rod of the second air cylinder, and a strip hole parallel to the telescopic direction of the second air cylinder is formed in the supporting flat plate; a lead-in piece is fixedly arranged on the left side of the top surface of the supporting flat plate, and a gap is reserved between the lead-in piece and the start position of the insertion piece; the middle part of the top surface of the support flat plate is sequentially overlapped with a first base plate, an inserting piece, a second base plate and a pressing piece from bottom to top, and sequentially penetrates through the pressing piece, the second base plate, the inserting piece, the first base plate, the support flat plate and the second L-shaped plate from top to bottom through a fastener to be fixed together, a first space enough for containing a collar cloth lower piece is reserved between the left end of the inserting piece and the support flat plate, a second space enough for containing a collar cloth upper piece is reserved between the left end of the pressing piece and the inserting piece, and the leftward convex width of the pressing piece relative to the second base plate is smaller than the leftward convex width of the inserting piece relative to the second base plate. The position department that meets with the second cylinder of support flat board establishes to the bar hole, the position department that meets with the second backing plate of inserted sheet also establishes to the bar hole, the position department that meets with leading-in piece of support flat board also establishes to the bar hole. This make up auxiliary device still includes revolving fragment, response piece, check bar and photoelectric switch, the revolving fragment plane is rotated and is set up the right-hand member at the second backing plate, the right-hand member fixed connection of check bar is on the revolving fragment and the left end level extends to the dead ahead position department of inserted sheet left end thickness wall to a left side, photoelectric switch fixed mounting is in supporting dull and stereotyped bottom front side, response piece fixed mounting is on the revolving fragment and its one end relative inserted sheet and revolving fragment stretch forward convexly, be connected with the second extension spring between the other end of response piece and the right-hand member of second backing plate. The sewing auxiliary device further comprises a displacement sensor which is arranged corresponding to the collar cloth and used for detecting whether the upper collar cloth is static or moving, and the displacement sensor is fixedly arranged on the supporting flat plate on the right side of the guide-in piece. The invention has the beneficial effects that: 1. the collar attaching device comprises a driving wheel set, a driven wheel set and a tensioning wheel set, wherein the central shaft of the driving wheel set is fixed, the driven wheel of the driven wheel set can do reciprocating linear motion back and forth between a collar attaching working rear position and a sewing working front position, and the tensioning wheel of the tensioning wheel set can do circular reciprocating motion between the collar attaching working rear position and the sewing working front position, so that the structural change of the collar attaching device in the collar attaching stage and the sewing stage with a clothes body is realized, and the collar attaching device more meets the transmission requirements of different stages, and is specific: in the collar loading stage, the collar cloth is in tension sleeve connection with the driving wheel and the driven wheel, the tension wheel is positioned in the inner ring of the collar cloth and does not participate in transmission, and the collar loading is realized by utilizing the rotation of the driving wheel around the self-axis and the guiding action of the conical part of the driving wheel; before sewing, the driven wheel and the tension wheel are switched to sewing working positions, the collar cloth is sleeved on the driving wheel, the driven wheel and the tension wheel in a tensioning mode, and the sewing of the clothes body and the collar cloth is completed by utilizing the cloth feeding gear of the sewing machine to provide power during sewing. 2. According to the invention, the microswitch is arranged below the cylindrical part of the driving wheel, the collar cloth passes through the cloth feeding gap between the microswitch and the driving wheel in the upper collar process, and by utilizing the characteristic that the thickness of the lapel position of the collar cloth is larger than the thickness of other positions of the collar cloth, when the lapel position is operated to the cloth feeding gap, the microswitch is touched to act, then the power-off delay circuit is started to continue to operate in a delayed mode until the lapel position is operated to a set position, so that the consistency of the initial sewing positions of all the collar cloths can be ensured. 3. According to the invention, the displacement sensor is arranged below the collar cloth after the upper collar is in place, the collar cloth is detected to be static or moving through the displacement sensor, and the driven wheel and the tensioning wheel are automatically switched to the sewing working position after the upper collar is in place, so that the efficiency is better compared with manual switching. 4. The sewing auxiliary device is operated in advance to act with the collar cloth after the collar is put in place and before sewing, and then the collar cloth before entering the machine needle is arranged in the sewing operation process, wherein the sewing auxiliary device comprises an inserting piece inserted into an interlayer of the collar cloth and a pressing piece for smoothing the upper piece of the collar cloth, so that the collar cloth is ensured to be neat and not wrinkled, and the sewing quality of the clothes body and the collar cloth is ensured. Simultaneously, make up auxiliary device and still including inserting the intermediate layer of neck cloth's measuring pole, when refuting the mouth position and rerun to touch the measuring pole, make the response piece action and leave photoelectric switch's response scope for the second cylinder withdrawal drives inserted sheet, preforming and measuring pole and leaves the neck cloth, lets refute the mouth position and continues to operate to the eedle and can accomplish the work of making up of whole circle. In short, the sewing auxiliary device of the invention can finish the upper and lower collar cloth pieces without affecting the whole circle sewing. 5. The invention can replace manual collar-sewing, realize automatic collar-sewing, is convenient to connect, and arranges the collar cloth before the sewing collar cloth enters the machine needle, thereby ensuring consistent sewing effect and higher automation degree.

Although the above patent can solve the corresponding technical problems, there still exist certain drawbacks:

the circular collar sewing machine needs manual operation when sewing the collar cloth on the collar cloth after sewing the collar cloth on the upper garment piece, the labor intensity is high, the sewing stitch seam is easy to bend, the sewing quality is not uniform, and the automation degree is low.

Disclosure of Invention

The invention aims to provide a circular collar sewing machine which does not need manual operation when a collar is sewn on collar cloth, has low labor intensity, does not bend sewing stitches, has uniform sewing quality and higher automation degree aiming at the defects and the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a round collar sewing machine comprises a rack, a sewing machine set, a collar feeding device, a sewing auxiliary device, a gluing device, a clamping device and a traction device, wherein the sewing machine set is used for sewing on the rack, the collar feeding device is arranged on the rack and close to the sewing machine set and used for finishing collar cloth before sewing, the gluing device is arranged on the sewing machine set and used for gluing the collar cloth on the collar cloth after the collar cloth is sewn on a jacket piece, the clamping device is arranged on the sewing machine set and used for loosening the collar when the collar is glued on the collar cloth, and the traction device is arranged between the rack and the sewing auxiliary device and used for traction on the collar when the sewing machine set sews the collar on the collar cloth.

The further improvement is that: the attaching device is an attaching air blowing pipe which is arranged on the sewing machine set and used for attaching a collar to the collar cloth after the collar cloth is sewn on the upper garment piece by the sewing machine set.

The further improvement is that: the loosening device comprises a fixed clamp, a movable clamp and a lifting driving piece, wherein the fixed clamp is rotatably arranged on the sewing machine set, the movable clamp is arranged on the fixed clamp in a lifting mode and matched with the fixed clamp, and the lifting driving piece is arranged on the fixed clamp and used for driving the movable clamp to lift.

The further improvement is that: the lifting driving piece is a telescopic cylinder or a telescopic motor.

The further improvement is that: the traction device comprises a placing disc which is movably arranged on the rack and used for placing a collar, and a traction frame which is arranged on the sewing auxiliary device and used for drawing the collar placed on the placing disc when the collar is sewn on collar cloth by the sewing machine set.

The further improvement is that: the traction frame is a wavy traction frame convenient for traction of the collar.

The further improvement is that: and the sewing auxiliary device is provided with a shaping cylinder for shaping a collar drawn by the traction frame.

The further improvement is that: the lower end face of the placing plate is provided with a sliding assembly frame which is used for sliding assembly on the rack, and the sliding assembly frame is in threaded connection with a fixing rod which is used for fixing the sliding assembly frame on the rack.

The further improvement is that: and a heightening frame used for heightening the height of the placing disc so as to facilitate the traction of the collar is arranged between the sliding frame and the placing disc.

The further improvement is that: the last fixed link that is provided with of sewing machine group, the rotatable portion of rotating that is provided with on the link, be provided with the dwang in the portion of rotating, the dwang passes the link, the fixation clamp fixed set up in on the dwang.

After the technical scheme is adopted, the invention has the beneficial effects that: the collar sewing machine is characterized in that a garment piece and collar cloth are placed on the collar sewing device in sequence, the collar sewing device finishes automatic collar sewing, the sewing auxiliary device arranges the collar cloth before sewing by the sewing machine set, then the sewing machine set sews the collar cloth on the garment piece, then the attaching device attaches the collar to the collar cloth, the collar is loosened when the collar is attached to the collar cloth by the loosening clamp device, the collar is sewn on the collar cloth by the sewing machine set, the traction device pulls the collar when the collar is sewn on the collar cloth by the sewing machine set, manual operation is not needed when the collar is sewn on the collar cloth, labor intensity is low, sewing stitches cannot be bent, sewing quality is uniform, and automation degree is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the hidden parts corresponding to FIG. 1;

FIG. 3 is a schematic view of the hidden collar attaching device and the auxiliary sewing device corresponding to FIG. 1;

FIG. 4 is an enlarged view of portion A corresponding to FIG. 3;

FIG. 5 is an enlarged view of portion B corresponding to FIG. 3;

FIG. 6 is a schematic view showing the structure of the neck-attaching device and the sewing auxiliary device in the present invention;

FIG. 7 is a schematic view of the structure corresponding to another view of FIG. 6;

fig. 8 is a schematic view of another view angle corresponding to fig. 7.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, the technical solution adopted by the present embodiment is:

a round collar sewing machine comprises a frame 1, a sewing machine set 2 arranged on the frame 1 for sewing, a collar feeding device 3 arranged on the frame 1 and close to the sewing machine set 2 for completing automatic collar feeding work, a sewing auxiliary device 4 arranged on the collar feeding device 3 for arranging collar cloth before sewing by the sewing machine set 2, a fitting device arranged on the sewing machine set 2 for fitting the collar cloth on the collar cloth after the sewing machine set 2 sews the collar cloth on a top cloth, a loose clamp device arranged on the sewing machine set 2 for loosening the collar when the collar is fitted on the collar cloth, a traction device arranged between the frame 1 and the sewing auxiliary device 4 for drawing the collar when the sewing machine set 2 sews the collar on the collar cloth, the fitting device is a fitting gas blow pipe (not shown in the figure) fixedly arranged on the sewing machine set 2 for fitting the collar on the collar cloth after the sewing machine set 2 sews the collar cloth on the top cloth, the attaching blowing pipe (not shown in the figure) is communicated with an external air pump, the attaching blowing pipe (not shown in the figure) is a flexible attaching blowing pipe and is convenient for adjusting the position, the clip loosening device comprises a fixed clip 5 which is rotatably arranged on the sewing machine set 2, a movable clip 6 which is arranged on the fixed clip 5 in a lifting way and is matched with the fixed clip 5, and a lifting driving piece 7 which is fixedly arranged on the fixed clip 5 and is used for driving the movable clip 6 to lift, the lifting driving piece 7 is a telescopic air cylinder or a telescopic motor, the traction device comprises a placing disc 8 which is movably arranged on the machine frame 1 and is used for placing a collar, a traction frame 9 which is fixedly arranged on the sewing auxiliary device 4 and is used for drawing the collar placed on the placing disc 8 when the collar is sewn on collar cloth by the sewing machine set 2, the traction frame 9 is a wavy traction frame which is convenient for drawing the collar, a shaping cylinder 10 which is used for shaping the collar drawn from the traction frame 9 is fixedly arranged on the sewing auxiliary device 4, the lower end face of the placing disc 8 is provided with a sliding matching frame 11 used for sliding matching on the rack 1, the sliding matching frame 11 is connected with a fixing rod 12 used for fixing the sliding matching frame 11 on the rack 1 through threads, a height increasing frame 13 used for increasing the height of the placing disc 8 so that a collar is pulled is arranged between the sliding matching frame 11 and the placing disc 8, a connecting frame 14 is fixedly arranged on the sewing machine set 2, a rotating portion 15 is rotatably arranged on the connecting frame 14, a rotating rod 16 is arranged on the rotating portion 15, the rotating rod 16 penetrates through the connecting frame 14, a fixing clamp 5 is fixedly arranged on the rotating rod 16, the sewing machine set 2, the collar mounting device 3 and the sewing auxiliary device 4 are all the prior art, and descriptions are provided in a round collar sewing machine disclosed in the Chinese patent number of 201821629462.

The working principle of the invention is as follows: the upper garment piece and the collar cloth are sequentially placed on the upper collar device 3, the upper collar device 3 finishes the automatic collar feeding work, the sewing auxiliary device 4 arranges the collar cloth before the sewing of the sewing unit 2, then the sewing unit 2 sews the collar cloth on the upper garment piece, then the collar cloth is attached to an air blowing pipe (not shown in the figure) for air blowing, the collar is attached to the collar cloth, when the collar is attached to the collar cloth, the lifting driving piece 7 drives the movable clamp 6 to leave the fixed clamp 5, namely, the collar is loosened, the sewing unit 2 sews the collar on the collar cloth, the traction frame 9 pulls the collar when the sewing unit 2 sews the collar on the collar cloth, manual operation is not needed when the collar is sewn on the collar cloth, the labor intensity is low, the sewing stitches cannot bend, the sewing quality is uniform, and the automation degree is high.

The invention is to protect the structure of a product, the types of all elements are not the content protected by the invention and are also the known technology, and the elements which can realize the functions of the invention can be selected and applied in the market. Therefore, the present invention will not be described in detail.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. The invention is not described in detail, but is well known to those skilled in the art.

Claims (10)

1. The utility model provides a round collar sewing machine, include the frame, set up in be used for the sewing machine group of sewing in the frame, set up in be close to in the frame the sewing machine group is used for accomplishing the automatic collar of going up of work device, set up in go up be used for in the collar device go up the sewing machine group sews up the preceding auxiliary device of making up that puts in order collar cloth, its characterized in that: the collar sewing machine further comprises a fitting device which is arranged on the sewing machine set and used for fitting the collar on the collar cloth after the sewing machine set sews the collar cloth on the upper garment piece, a loosening and clamping device which is arranged on the sewing machine set and used for loosening the collar when the collar is fitted on the collar cloth, and a traction device which is arranged between the rack and the sewing auxiliary device and used for drawing the collar when the sewing machine set sews the collar on the collar cloth.

2. A circular collar sewing machine according to claim 1, characterized in that: the attaching device is an attaching air blowing pipe which is arranged on the sewing machine set and used for attaching a collar to the collar cloth after the collar cloth is sewn on the upper garment piece by the sewing machine set.

3. A circular collar sewing machine according to claim 1, characterized in that: the loosening device comprises a fixed clamp, a movable clamp and a lifting driving piece, wherein the fixed clamp is rotatably arranged on the sewing machine set, the movable clamp is arranged on the fixed clamp in a lifting mode and matched with the fixed clamp, and the lifting driving piece is arranged on the fixed clamp and used for driving the movable clamp to lift.

4. A circular collar sewing machine according to claim 3, characterized in that: the lifting driving piece is a telescopic cylinder or a telescopic motor.

5. A circular collar sewing machine according to claim 1, characterized in that: the traction device comprises a placing disc which is movably arranged on the rack and used for placing a collar, and a traction frame which is arranged on the sewing auxiliary device and used for drawing the collar placed on the placing disc when the collar is sewn on collar cloth by the sewing machine set.

6. A circular collar sewing machine according to claim 5, characterized in that: the traction frame is a wavy traction frame convenient for traction of the collar.

7. A circular collar sewing machine according to claim 5, characterized in that: and the sewing auxiliary device is provided with a shaping cylinder for shaping a collar drawn by the traction frame.

8. A circular collar sewing machine according to claim 5, characterized in that: the lower end face of the placing plate is provided with a sliding assembly frame which is used for sliding assembly on the rack, and the sliding assembly frame is in threaded connection with a fixing rod which is used for fixing the sliding assembly frame on the rack.

9. A circular collar sewing machine according to claim 8, characterized in that: and a heightening frame used for heightening the height of the placing disc so as to facilitate the traction of the collar is arranged between the sliding frame and the placing disc.

10. A circular collar sewing machine according to claim 3, characterized in that: the last fixed link that is provided with of sewing machine group, the rotatable portion of rotating that is provided with on the link, be provided with the dwang in the portion of rotating, the dwang passes the link, the fixation clamp fixed set up in on the dwang.

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