CN208440802U

CN208440802U - A kind of wire breakage detector of sewing machine

Info

Publication number: CN208440802U
Application number: CN201820167008.0U
Authority: CN
Inventors: 姚圣; 张勤; 黄成敏; 倪军
Original assignee: Shanghai Zhuo Yu Industrial Co Ltd
Current assignee: Shanghai Zhuo Yu Industrial Co Ltd
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2019-01-29
Anticipated expiration: 2028-01-31

Abstract

The utility model discloses a kind of wire breakage detectors of sewing machine, including pedestal, guide rod, spring, guide bracket, level board, vertical plate, crossed beam trunking, optical sensor, pressure sensor, single-chip microcontroller, power supply and relay, the power of the light above detection optical sensor can be achieved by the setting of optical sensor and optical signal is passed to the effect of single-chip microcontroller, detection spring can be achieved to the pressure of pressure sensor and by pressure signal transmission to the effect of single-chip microcontroller by the setting of pressure sensor, the effect for receiving the pressure signal of pressure sensor and controlling relay can be achieved by the setting of single-chip microcontroller, the effect of control shank motor can be achieved by the setting of relay, the utility model has pressure sensor due to existing optical sensor again, detection effect is more reliable.

Description

A kind of wire breakage detector of sewing machine

Technical field

The utility model relates to technical field of sewing machines, specific field is a kind of wire breakage detector of sewing machine.

Background technique

Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread The machine that material interweaves or unites by a seam, fabrics and leather, plastics, the paper such as sewing function sewing cotton, fiber crops, silk, hair, staple fibre Equal products, the stitching neat appearance stitched out, it is smooth securely, sewing velocity is fast, using simplicity, and derives hand push with it and embroider computer The phenomenon that breaks may occur at any time in the course of work of sewing machine for the art forms such as embroidery, discover from broken string to operator Break and the process shut down can generate empty needle, and during the sewing of some special clothes, do not allow empty needle occur, such as skin Leather, down jackets etc., this just needs sewing machine to be quickly detected broken string and shuts down, existing most of wire-off detection device for sewing machine Substantially only detecting whether to break by optical sensor or pressure sensor, detection effect is less reliable, for this purpose, it is proposed that A kind of wire breakage detector of sewing machine solves these problems.

Utility model content

The purpose of this utility model is to provide a kind of wire breakage detectors of sewing machine, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of wire breakage detector of sewing machine, packet Include pedestal, the upper surface of the pedestal is symmetrically arranged with guide rod, and the outside of the guide rod is cased with spring, under the spring End is fixedly connected with the upper surface of pedestal, and the upper end of the spring is fixedly connected with guide bracket, and the guide bracket includes level board and stands The upper surface left and right sides of plate, the level board is equipped with vertical plate, and the upper surface of the vertical plate is equipped with crossed beam trunking, the guiding Bar is through the upper surface for going out level board, and the upper surface of the level board is bolted with optical sensor, under one of them described spring End is equipped with pressure sensor, and the pressure sensor is located at the inner upper end face of pedestal, the optical sensor and pressure sensor Between single-chip microcontroller is electrically connected with by electric conductor, the single-chip microcontroller has been electrically connected power supply and relay by electric conductor.

Preferably, the side wall of the guide rod passes through polishing treatment.

Preferably, the outer surface of the spring is equipped with corrosion-inhibiting coating.

Preferably, the crossed beam trunking is in U-shape.

Preferably, the lower end surface minimum point of the crossed beam trunking is higher than the upper surface of guide rod.

Preferably, the relay is electrically connected with shank motor by electric conductor.

Preferably, it is electrically connected between the optical sensor, pressure sensor and single-chip microcontroller by electric conductor and door.

Compared with prior art, the utility model has the beneficial effects that detection light can be achieved in the setting by optical sensor Inspection can be achieved by the setting of pressure sensor in the power of light above sensor and the effect that optical signal is passed to single-chip microcontroller Spring is surveyed to the pressure of pressure sensor and by pressure signal transmission to the effect of single-chip microcontroller, can be achieved by the setting of single-chip microcontroller It receives the pressure signal of pressure sensor and controls the effect of relay, it is electronic that control shank can be achieved by the setting of relay The effect of machine, for the utility model since existing optical sensor has pressure sensor again, detection effect is more reliable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the side view of vertical plate in the utility model；

Fig. 3 is the control principle drawing of the utility model.

In figure: 1- pedestal, 2- guide rod, 3- spring, 4- guide bracket, 5- level board, 6- vertical plate, 7- crossed beam trunking, 8- light sensing Device, 9- pressure sensor, 10- single-chip microcontroller, 11- power supply, 12- relay.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of wire breakage detector of sewing machine, including Pedestal 1, the upper surface of the pedestal are symmetrically arranged with guide rod 2, and restricted spring vertical position can be achieved by the setting of guide rod Effect, the outside of the guide rod is cased with spring 3, can be achieved by the setting of spring when there is suture to pass through from guide bracket The effect compressed to bottom plate, the lower end of the spring are fixedly connected with the upper surface of pedestal, and the upper end of the spring is fixedly connected There is guide bracket 4, the guide bracket includes level board 5 and vertical plate 6, is equipped with vertical plate at left and right sides of the upper surface of the level board, described The upper surface of vertical plate is equipped with crossed beam trunking 7, and the effect for making suture by guide bracket, the guiding can be achieved by the setting of crossed beam trunking Bar is bolted with optical sensor 8 through the upper surface for going out level board, the upper surface of the level board, can by the setting of optical sensor It realizes the power of the light above detection optical sensor and optical signal is passed to the effect of single-chip microcontroller, pass through setting for pressure sensor Effect of the achievable detection spring to the pressure of pressure sensor and by pressure signal transmission to single-chip microcontroller is set, described in one of them The lower end of spring is equipped with pressure sensor 9, and the pressure sensor is located at the inner upper end face of pedestal, the optical sensor and pressure Single-chip microcontroller 10 is electrically connected with by electric conductor between force snesor, can be achieved to receive pressure sensor by the setting of single-chip microcontroller Pressure signal and the effect for controlling relay, the single-chip microcontroller have been electrically connected power supply 11 and relay 12 by electric conductor, It can be achieved to provide the effect of electric energy for the device by the setting of power supply, it is electronic that control shank can be achieved by the setting of relay The effect of machine.

Specifically, the side wall of the guide rod passes through polishing treatment.

Specifically, the outer surface of the spring is equipped with corrosion-inhibiting coating, anti-corrosion can be achieved by the setting of corrosion-inhibiting coating Effect.

Specifically, the crossed beam trunking is in U-shape.

Specifically, the lower end surface minimum point of the crossed beam trunking is higher than the upper surface of guide rod, setting in this way can Prevent the suture on crossed beam trunking.

Specifically, the relay is electrically connected with shank motor by electric conductor, pass through the setting of shank motor The effect of driving shank can be achieved.

Specifically, be electrically connected between the optical sensor, pressure sensor and single-chip microcontroller by electric conductor and door, this Sample relay when optical sensor and pressure sensor receive signal simultaneously, which just controls shank motor, makes it stop working.

Working principle: in the utility model, when there is suture to pass through from the crossed beam trunking on guide bracket, optical sensor is kept off by suture Firmly, optical sensor no signal, suture effect guide bracket keep its compressed spring mobile towards bottom plate, and spring increases the elastic force of pressure sensor Greatly, pressure sensor no signal, when broken string, optical sensor is not blocked by suture, and optical sensor detects signal, meanwhile, Guide bracket deviates from the mobile reset of bottom plate under the action of the spring, and spring reduces the elastic force of pressure sensor, pressure sensor detection To signal, at this moment all by signal by being transmitted to single-chip microcontroller with door, single-chip microcontroller is defeated to relay for optical sensor and pressure sensor Signal out, relay control shank motor make it stop working, and then entire sewing machine stops working.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of wire breakage detector of sewing machine, including pedestal (1), it is characterised in that: the upper surface of the pedestal (1) is symmetrical Equipped with guide rod (2), the outside of the guide rod (2) is cased with spring (3), and the lower end of the spring (3) is upper with pedestal (1) End face is fixedly connected, and the upper end of the spring (3) is fixedly connected with guide bracket (4), and the guide bracket (4) includes level board (5) and stands The upper surface left and right sides of plate (6), the level board (5) is equipped with vertical plate (6), and the upper surface of the vertical plate (6) was equipped with Wire casing (7), for the guide rod (2) through the upper surface for going out level board (5), the upper surface of the level board (5) is bolted with light biography The lower end of sensor (8), one of them spring (3) is equipped with pressure sensor (9), and the pressure sensor (9) is located at pedestal (1) inner upper end face is electrically connected with single-chip microcontroller by electric conductor between the optical sensor (8) and pressure sensor (9) (10), the single-chip microcontroller (10) has been electrically connected power supply (11) and relay (12) by electric conductor.

2. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: the guide rod (2) Side wall passes through polishing treatment.

3. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: outside the spring (3) Surface is equipped with corrosion-inhibiting coating.

4. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: the crossed beam trunking (7) is equal It is in U-shape.

5. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: the crossed beam trunking (7) Lower end surface minimum point is higher than the upper surface of guide rod (2).

6. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: the relay (12) is logical It crosses electric conductor and is electrically connected with shank motor.

7. a kind of wire breakage detector of sewing machine according to claim 1, it is characterised in that: the optical sensor (8), It is electrically connected between pressure sensor (9) and single-chip microcontroller (10) by electric conductor and door.