CN212865200U

CN212865200U - Wrapping bag sewing machine's broken string detection device

Info

Publication number: CN212865200U
Application number: CN202021422149.6U
Authority: CN
Inventors: 桂银太; 曾占清
Original assignee: Xiamen Cyr Environmental Protection Technology Co ltd
Current assignee: Xiamen Cyr Environmental Protection Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-02
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a wrapping bag sewing machine's broken string detection device relates to wrapping bag sewing technical field, and its technical scheme main points are: including locating the support on the sewing machine and from bottom to top install in proper order in location platform and the mount table of installing on the support, be equipped with the winding roller on the location bench, be equipped with the woof detector that is used for detecting the yarn disconnection on the mount table, connect on the sewing machine after the yarn on the winding roller passes the woof detector, interval size between location platform and the mount table is established to adjustable, just be equipped with the signal intensity regulator that is used for adjusting detectivity on the woof detector, the woof detector is connected with the controller, the controller is used for controlling the sewing machine according to woof detector feedback signal and opens and close. The utility model discloses can automize and judge whether the yarn breaks off the line, need not artificial nurse, have the effect that improves its convenience of use.

Description

Wrapping bag sewing machine's broken string detection device

Technical Field

The utility model relates to a wrapping bag sewing technical field, more specifically says that it relates to a wrapping bag sewing machine's broken string detection device.

Background

In the production process of the packaging bag, a sewing machine is needed to sew part of the structure on the packaging bag. In the prior art, if the thread breakage occurs in the production line of the sewing machine, the sewing machine generally needs to manually observe the thread breakage at the sewing machine to judge whether the thread breakage occurs, so that the phenomenon of empty sewing is avoided. However, manual observation is time-consuming and labor-consuming, fatigue is easy to occur under long-time operation, people need to be replaced for nursing, labor cost is increased, and production cost is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a wrapping bag sewing machine's broken string detection device can automize and judge whether the yarn breaks, need not artificial nurse, has the effect that improves its convenience of use.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a wrapping bag sewing machine's broken string detection device, is including locating support on the sewing machine and from bottom to top install location platform and mount table on the support in proper order, be equipped with the winding roller on the location platform, be equipped with the woof detector that is used for detecting the yarn disconnection on the mount table, the yarn on the winding roller passes and connects on the sewing machine after the woof detector, interval size between location platform and the mount table is established to adjustable, just be equipped with the strong and weak regulator of signal that is used for adjusting detectivity on the woof detector, the woof detector is connected with the controller, the controller is used for controlling the sewing machine according to woof detector feedback signal and opens and close.

Further setting: the mounting table is lifted and slid on the support, and a fixing piece used for fixing the mounting table on the support is arranged on the mounting table.

Further setting: the mounting includes that the screw thread wears to establish the fixing bolt of mount table one side and locates the rotation hand wheel on the fixing bolt, the one end slip cap of mount table is located on the support, fixing bolt wears to establish the mount table and with mount table threaded connection, when fixing bolt locks, fixing bolt keeps away from the one end of rotating the hand wheel and contradicts on the support.

Further setting: the positioning table is corresponding to the mounting table and slides on the support in a lifting mode, and the positioning table and the mounting table are fixed on the support through a fixing structure.

Further setting: the weft yarn detector comprises a shell and a pressure sensor arranged on the shell, wherein a plurality of wire holes for yarns to pass through are formed in the shell, and the pressure sensor is arranged on the inner peripheral wall of each wire hole.

Further setting: the signal strength regulator is set to be a two-position type coding switch or a dial switch, and the pressure sensor is connected with the signal strength regulator by a lead.

Further setting: the automatic sewing machine is characterized by further comprising an alarm, wherein the alarm is connected with the controller, and the controller controls the alarm to give an alarm when the sewing machine stops.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. the yarn is placed on the winding roller, so that the yarn passes through the weft yarn detector on the mounting table and then is connected with the sewing machine, the weft yarn detector is used for sensing whether the yarn passes through to detect whether the yarn is broken or not, the yarn is fed back to the controller, the controller controls the sewing machine to be closed, whether the yarn is broken or not can be automatically judged, manual nursing is not needed, and the effect of improving the use convenience of the sewing machine is achieved;

2. the installation table is arranged above the positioning table, so that the yarn can be in contact with the weft yarn detector when passing through the weft yarn detector, and meanwhile, the distance between the positioning table and the installation table is adjustable, so that the corresponding height can be conveniently adjusted according to the use requirement of the yarn, the yarn can be conveniently and stably detected and used, and the effect of improving the use convenience of the yarn is achieved;

3. the signal intensity adjuster can adjust the corresponding signal intensity according to the thickness of the yarn, so that different yarns can be accurately detected, the phenomenon of error detection in the process of changing the yarn is avoided, the checking time of workers is reduced, and the use convenience is improved;

4. through with mount table and location platform lifting slide on the support to it is fixed to utilize the mounting, conveniently adjusts the interval between the two, has the effect that improves the simple operation nature.

Drawings

FIG. 1 is a schematic view of a broken thread detecting device mounted on a sewing machine;

FIG. 2 is a partial schematic view of the mounting table in section on the bracket;

FIG. 3 is a schematic view showing the connection of the weft yarn detector, the controller, the alarm and the sewing machine.

In the figure: 1. a support; 2. a positioning table; 3. an installation table; 31. a fixing member; 311. fixing the bolt; 312. rotating a hand wheel; 4. a winding roller; 5. a weft yarn detector; 51. a housing; 52. a pressure sensor; 53. a wire guide hole; 6. a signal intensity adjuster; 7. a controller; 8. an alarm; 9. a sewing machine.

Detailed Description

The thread breakage detecting device of the sewing machine for the packing bag will be further described with reference to fig. 1 to 3.

The utility model provides a wrapping bag sewing machine's broken string detection device, as shown in figure 1, including locating support 1 on sewing machine 9 and from bottom to top install location platform 2 and mount table 3 on support 1 in proper order, be equipped with winding roller 4 on the location platform 2, be equipped with the woof detector 5 that is used for detecting the yarn disconnection on the mount table 3, place the yarn on the winding roller 4, and connect on sewing machine 9 after the yarn on the winding roller 4 passes woof detector 5, woof detector 5 is connected with controller 7, controller 7 is used for controlling sewing machine 9 according to woof detector 5 feedback signal and opens and close, so that automatic shutdown sewing machine 9 when the broken string, avoid the blank seam phenomenon to appear.

As shown in figures 1 and 3, an alarm 8 is arranged at the top of the support 1, the alarm 8 is connected with the controller 7, and when the controller 7 controls the sewing machine 9 to be shut down, the alarm 8 is controlled to give an alarm so as to prompt people to shut down due to yarn breakage, so that workers can make adjustment quickly, and production efficiency is guaranteed. Wherein, be equipped with the signal intensity regulator 6 that is used for adjusting detectivity on weft detector 5 to adopt different feedback signal intensity to different yarns, guarantee that various yarns all can obtain effective detection, improve suitability and detection accuracy.

As shown in fig. 1, specifically, the weft yarn detector 5 includes a housing 51 and a pressure sensor 52 disposed on the housing 51, the pressure sensor 52 is connected to the controller 7, the housing 51 is provided with a plurality of guide holes 53 for passing the yarn, and the pressure sensor 52 is disposed on an inner peripheral wall of the guide holes 53. The mounting table 3 is mounted above the positioning table 2, so that when the yarn passes through the guide hole and is connected to the sewing machine 9, the yarn can be pressed and rubbed on the inner wall of the guide hole 53, and the pressure and friction signals sensed by the pressure sensor 52 are fed back to the controller 7 to display the effective passing of the yarn. The signal strength regulator 6 is a two-position type coding switch or a dial switch, and the pressure sensor 52 is connected with the signal strength regulator 6 by a lead, so that the signal magnitude sensed by the pressure sensor 52 can be adjusted, and the accurate detection requirements of various yarns can be met.

As shown in fig. 1, the distance between the positioning table 2 and the mounting table 3 is adjustable, and the distance between the winding roller 4 and the wire guide 53 is adjusted by adjusting the distance between the positioning table and the mounting table, so that different yarns can pass through the yarn guide at different height positions, the weft yarn detector 5 can accurately detect the yarns, and various use requirements are met.

As shown in fig. 1, further, the mounting table 3 is lifted and slid on the support 1, the mounting table 3 is provided with a fixing member 31 for fixing the mounting table on the support 1, the positioning table 2 is lifted and slid on the support 1 corresponding to the mounting table 3, and the fixing structure of the positioning table 2 and the fixing structure of the mounting table 3 fixed on the support 1 are consistent, the positions of the mounting table 3 and the positioning table 2 are adjusted through lifting and sliding, the fixing member 31 is adopted for fixing after adjustment, the distance between the mounting table and the positioning table 2 is convenient to adjust, and the convenience in operation and use is improved.

As shown in fig. 1 and fig. 2, specifically, the fixing member 31 includes a fixing bolt 311 having a thread penetrating through one side of the mounting table 3 and a rotating handwheel 312 disposed on the fixing bolt 311, one end of the mounting table 3 is slidably sleeved on the bracket 1, the fixing bolt 311 penetrates through the mounting table 3 and is in threaded connection with the mounting table 3, and when the fixing bolt 311 is locked, one end of the fixing bolt 311 far away from the rotating handwheel 312 abuts against the bracket 1. Locking or not hard up through control fixing bolt 311, can control the fixed of mount table 3 and the switching of sliding state, the operation is very convenient, conveniently according to the height of yarn kind adjustment mount table 3 and location head, satisfies multiple user demand.

The working principle is as follows: the yarn is placed on the winding roller 4 and passed through the weft yarn detector 5 and then connected to the sewing machine 9. Then, the heights of the mounting table 3 and the positioning table 2 are adjusted according to the thickness of the yarn, so that the height of the yarn passing through the weft yarn detector 5 is suitable for the yarn with the corresponding thickness to use, and the signal intensity regulator 6 is adjusted to adjust the sensitivity of the detection of the weft yarn detector 5 so as to be suitable for the yarn with the corresponding thickness to detect. Then starting the sewing machine 9 to perform sewing operation, detecting whether the yarn passes through the thread guide 53 by the weft yarn detector 5 through pressure and friction force in the operation process, if the yarn is broken, feeding back a signal to the controller 7 by the weft yarn detector 5, controlling the sewing machine 9 to stop by the controller 7, and starting the alarm 8 to give an alarm so as to warn a worker to perform processing quickly. According to the above technical scheme, the utility model discloses can automize and judge whether the yarn breaks off the line, need not artificial nurse to can correspond the sensitivity that detects according to the demand adjustment of yarn, have the effect that improves its convenience of use.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A broken thread detection device of a sewing machine for packaging bags is characterized by comprising a bracket (1) arranged on the sewing machine (9) and a positioning table (2) and a mounting table (3) which are sequentially arranged on the bracket (1) from bottom to top, a winding roller (4) is arranged on the positioning table (2), a weft yarn detector (5) for detecting yarn breakage is arranged on the mounting table (3), the yarn on the winding roller (4) passes through the weft yarn detector (5) and then is connected to the sewing machine (9), the distance between the positioning table (2) and the mounting table (3) is adjustable, and the weft yarn detector (5) is provided with a signal intensity regulator (6) for regulating the detection sensitivity, the weft yarn detector (5) is connected with a controller (7), and the controller (7) is used for controlling the sewing machine (9) to be opened and closed according to a feedback signal of the weft yarn detector (5).

2. The thread breakage detecting device of a sewing machine for bags according to claim 1, wherein the mounting table (3) is adapted to slide up and down on the support (1), and the mounting table (3) is provided with a fixing member (31) for fixing the mounting table to the support (1).

3. The broken thread detection device of the packaging bag sewing machine according to claim 2, wherein the fixing member (31) comprises a fixing bolt (311) and a rotating hand wheel (312), the fixing bolt (311) is arranged on one side of the mounting table (3) in a penetrating mode through threads, the rotating hand wheel (312) is arranged on the fixing bolt (311), one end of the mounting table (3) is sleeved with the support (1) in a sliding mode, the fixing bolt (311) is arranged on the mounting table (3) in a penetrating mode and in threaded connection with the mounting table (3), and when the fixing bolt (311) is locked, one end, far away from the rotating hand wheel (312), of the fixing bolt (311) abuts against the support (1).

4. The thread breakage detection device of the sewing machine for the packaging bag as claimed in claim 2, wherein the positioning table (2) is adapted to be slid up and down on the support (1) in correspondence with the mounting table (3), and the positioning table (2) is in accordance with a fixing structure of the mounting table (3) to the support (1).

5. The device for detecting thread breakage of a sewing machine for a packaging bag according to claim 1, wherein the weft detector (5) includes a housing (51) and a pressure sensor (52) provided on the housing (51), the housing (51) is provided with a plurality of thread guide holes (53) through which the yarn passes, and the pressure sensor (52) is provided on an inner peripheral wall of the thread guide holes (53).

6. The thread breakage detecting device of a sewing machine for bags according to claim 5, wherein the signal strength adjuster (6) is provided as a two-position encoder switch or a dial switch, and the pressure sensor (52) is connected to the signal strength adjuster (6) by a wire.

7. The broken thread detection device of the sewing machine for the packaging bag as claimed in claim 1, further comprising an alarm (8), wherein the alarm (8) is connected with the controller (7), and the controller (7) controls the alarm (8) to give an alarm when the sewing machine (9) is shut down.