CN204589532U - A kind of sewing device platen - Google Patents

Abstract

The utility model embodiment discloses a kind of sewing device platen, this sewing device comprises lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism and control system, lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism share the upper axle being connected wheel, and on this, wheel is connected with motor by transmission mechanism; Control system comprises the microcontroller, SPM and the motor that are connected successively, microcontroller is connected with some sensing/input equipments to receive corresponding signal/input parameter or instruction, generate and output pwm signal, be transformed into motor drive signal for SPM and carry out drive motors, this sewing device comprises platen, head is installed on platen by support, and this platen has extension plate, and this extension plate carries out folding and unfolding by supporting hinges.The utility model improves at different aspect, can more comprehensive improving product performance.

Description

A kind of sewing device platen

Technical field

The utility model relates to sewing device, particularly relates to industrial sewing device and parts thereof or subsystem.

Background technology

Industry sewing device (industrial sewing machine) primarily of lead wires mechanism, thread take-up mechanism, hook line mechanism, cloth feeding mechanism etc. four great institutions and another one independently around compositions such as bottom line mechanisms, well-regulated motion is done by four major parts such as eedle, shuttle, thread take-up tension lever, feed dogs, can make upper thread and bottom line as make a rope by twisting the strands together stranded go out lock ring, form the chain stitching of two-wire thus.There is certain defect in common industrial sewing device, is that the structure of each mechanism is comparatively complicated, layout is compact not on the one hand; Be convenient not for the control of motor on the other hand, dynamic property is not ideal enough.Because not walking of existing industrial sewing device existence, be necessary to be improved this.

Utility model content

For the defect that prior art exists, the object of the utility model embodiment is that industrial sewing device complete machine and parts or subsystem thereof improve, so that the performance of improving product at least in one aspect.

For solving above technical problem, the utility model embodiment provides a kind of sewing device platen, this sewing device comprises lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism and control system, lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism share the upper axle being connected wheel, and on this, wheel is connected with motor by transmission mechanism; Control system comprises the microcontroller, SPM and the motor that are connected successively, microcontroller is connected with some sensing/input equipments to receive corresponding signal/input parameter or instruction, generate and output pwm signal, be transformed into motor drive signal for SPM and carry out drive motors; This sewing device comprises platen, and head is installed on platen by support, and this platen has extension plate, and this extension plate carries out folding and unfolding by supporting hinges.

More preferably, platen is offered some block cloth cylindrical voids, in order to load the pin of mounting block cloth in block cloth cylindrical void according to workpiece size.

More preferably, platen is supported in frame, and this frame has housiung separator and frame is kept a foothold, and the bottom surface of platen arranges platen groove, and housiung separator has the cross section that matches and is supported in platen groove.

More preferably, platen groove and housiung separator have inverted trapezoidal cross section.

More preferably, this sewing device comprises presser foot device, and this presser foot device comprises stock, presser feet, spring, and stock is supported in two needle bar frames by shank, spring is placed on stock and between two needle bar frames, and the bottom that presser feet is loaded on stock is rotationally with to cloth flanging.

Compared with prior art, the utility model embodiment is improved industrial sewing device complete machine and parts thereof or subsystem, can improve properties of product thus:

In mechanical structure, lead wires mechanism, thread take-up mechanism, hook line mechanism, cloth feeding mechanism parts are less, and drive with same motor simultaneously, optimize product structure, space layout is more compact, and are conducive to saving cost, reduce energy consumption; The pressure of presser feet can regulate, and platen can extend and be provided with block cloth bar, convenient during operation; Frame and platen adopt slot type to be connected, dismounting, storage, convenient transportation.

In electrical control, gather multiple sensors signal, can more effectively control motor, there is the advantage that dynamic property is good, control convenience, high power density.

Accompanying drawing explanation

Fig. 1 is the principle sketch of the utility model industry sewing device principal organ;

Fig. 2 is the half sectional view of the utility model industry sewing device head;

Fig. 3 is the right view of Fig. 2;

Fig. 4 is the top view of Fig. 2;

Fig. 5 is the A direction view of Fig. 2;

Fig. 6 is the structure diagram of the utility model industry sewing device presser foot device;

Fig. 7 is the structure diagram of the utility model industry sewing device platen;

Fig. 8 is the structure diagram of the utility model industry sewing device frame;

Fig. 9 is the block diagram of the utility model industry sewing device control system.

Detailed description of the invention

In order to understand know-why and the course of work of the utility model embodiment better, come to be described in detail the utility model further below in conjunction with drawings and the specific embodiments.

Simultaneously see Fig. 1-Fig. 8, the structure of the utility model industry sewing device machinery point principal organ and parts is shown, is below specifically described.

As Figure 1-Figure 5, the utility model industry sewing device comprises lead wires mechanism I, thread take-up mechanism II, hook line mechanism III and cloth feeding mechanism IV, each mechanism common sparing part, wherein shares upper wheel 1, upper axle 2 transmits power from motor.

Lead wires mechanism I comprise take turns 1, the parts such as upper axle 2, thread take-up cam 3, small rod 5 and shank 6: upper axle 2 is connected to takes turns 1 so that motor drives, thread take-up cam 3 is installed on axle 2, one end of small rod 5 is connected on thread take-up cam 3 prejudicially, and the shank 6 of bottom installation eedle 27 is connected to the other end of small rod 5.When main shaft 2 rotates, shank 6 can move up and down, and drives eedle 27 to go between thus.

Hook line mechanism III comprise take turns 1, upper axle 2, big connecting rod 19, balance staff 18, balance staff slide block 20, lower shaft crank 21, lower shaft 22 and shuttle holder 23: an end of big connecting rod 19 is connected to the connection bent axle 34 of axle 2, the other end of big connecting rod 19 is connected to balance staff 18, balance staff 18 is installed balance staff cam 17 and balance staff sliding york; One end of lower shaft crank 21 is connected to the lower shaft slide block 20 in balance staff sliding york, and the other end of lower shaft crank 21 is connected to main shaft 22, and shuttle holder 23 is installed on main shaft 22, and shuttle 24 is removably installed in shuttle holder 23; One end of feed lifting rock shaft 16 is loaded on balance staff cam 17 prejudicially, one end of feed lifting rock shaft crank 15 is connected to the other end of feed lifting rock shaft 16, lift the other end that tooth roller 25 is installed on feed lifting rock shaft crank 15, an end of feed dog 14 is connected to lifts tooth roller 25, and the other end of feed dog 14 is loaded on retainer 13.In this hook line mechanism III, lower shaft 22 and feed lifting rock shaft 16 coordinate by work tempo to realize hook line.

Cloth feeding mechanism IV comprise take turns 1, upper axle 2, tooth fork 8, tooth fork slide block 9, needle gage screw 10, cloth feeding crank 11, cloth pushing shaft 12, retainer 13, feed dog 14, feed lifting rock shaft 16, balance staff eccentric cam 17 and balance staff 18: an end of tooth fork 8 is connected to the cam of axle 2, the other end of tooth fork 8 is connected with cloth pushing shaft crank 11, cloth pushing shaft crank 11 connects cloth pushing shaft 12 simultaneously, cloth pushing shaft 12 connects retainer 13, one end of feed dog 14 is loaded on retainer 13, and the other end of feed dog 14 is connected to lifts tooth roller 25; Lift tooth roller 25 and be installed on feed lifting rock shaft crank 15 one end, the other end of feed lifting rock shaft crank 15 is connected to feed lifting rock shaft 16, and feed lifting rock shaft 16 is installed on balance staff cam 17, and balance staff cam 17 is installed on balance staff 18, and this 18 balance staff connects the connection bent axle 34 of axle 2 by big connecting rod 19.By the cooperation of cloth pushing shaft 12 and feed lifting rock shaft 16, according to predetermined tempo work feed.As shown in Figure 1, tooth fork 8 is also provided with tooth fork slide block 9, this tooth fork slide block 9 installs needle gage screw 10, when conveniently needing, walks pin spacing by needle gage screw 10.

Above-mentioned lead wires mechanism I, thread take-up mechanism II, hook line mechanism III and cloth feeding mechanism IV parts are less, optimize product structure, and space layout is more compact; These mechanisms are driven by same motor, are conducive to saving cost, reduce energy consumption.Electricity rotate time by belt drives take turns 1 rotate, on take turns 1 rotation after main shaft 2 rotate, can correspondingly drive these mechanisms to make workpiece by default work tempo.

As shown in Figure 6, the utility model arranges presser foot device, comprises stock 31, presser feet 28, spring 30 and spanner 29: stock 31 is supported by two needle bar frames of shank 6; Spring 30 is placed on stock 31, and between two needle bar frames; Presser feet 28 is loaded on the bottom of stock 31 rotationally, can to cloth flanging.As shown in Figure 6, stock 31 fixedly mounts spanner 29, when the spanner screens on head 33 pulled downwards by spanner 29, stock 31 downwards and be fixed, drives presser feet 28 to push down workpiece thus; Time upwards, presser feet 28 unclamps workpiece.Especially, the top of the stock 31 of the present embodiment arranges adjustment screw, to regulate the height of presser feet 28 according to fabric thickness, is convenient to operation like this.

As shown in Figure 7, head 33 is installed on platen 35 by support 32, and this platen 35 has extension plate 38, and this extension plate 38 carries out folding and unfolding by supporting hinges 39, can regulate working area easily thus.In addition, platen 35 is also offered some block cloth cylindrical voids 37, according to the size of the workpiece pin at block cloth cylindrical void 37 mounting block cloth 36, can align during operation workpiece easily, convenient during operation, and be conducive to improving linear slit regularity.

As shown in Figure 8, platen 35 is supported in frame, this frame has housiung separator 41 and keeps a foothold 42 with frame, the bottom surface of platen 35 has the platen groove 40 of inverted trapezoidal cross section or other cross sectional shape, the housiung separator 41 that shape matches therewith is supported in platen groove 40, can dismantle easily, storage, transport get up more convenient.

The utility model, outside mechanical part, also divides electrical control and improves, be described as follows:

See Fig. 9, the basic structure of the utility model industry sewing device control system is shown.This industrial sewing device control system comprises microcontroller (product type is as dsPIC33FJ16MC304) 43, intelligent function module (product type is as IRMSIOUP60B) 44, motor (are generally PMSM, permagnetic synchronous motor) 45 and some sensor/input equipments and peripheral circuit, further describe as follows.

As shown in Figure 9, microcontroller 43 is connected with intelligent function module 44, pedal pressing force sensor 48, eedle position sensor 49, speed probe 53, control panel 49 and display circuit 46 simultaneously, and intelligent function module 44 is connected with motor 45: pedal pressing force sensor 48 gathers and exports the pressure signal of pedal; Eedle position sensor 49 gathers and exports the distance signal of eedle and needle plate; Speed probe 53 detects and the real-time rotate speed signal of output motor 45; Control panel 50 inputs operating parameter and instruction; Microcontroller 43 receives the output signal of each sensor or the input parameter of control panel or instruction, generate and export PWM (pulse width modulation) signal, the signal that microcontroller 43 reception inputs, parameter, instruction and output signal all can show at display circuit 46; Intelligent function module 44 is by pwm signal, operated by axle 2 in transmission mechanism (as belt etc.) drive after this motor 45 starts, make above-mentioned lead wires mechanism I, thread take-up mechanism II, hook line mechanism III and cloth feeding mechanism IV by default beat running job thus.

As in Fig. 9, microcontroller 43 and SPM 44 are also connected to on-off circuit 47, failure detector circuit 51 and current detection circuit 52 respectively: failure detector circuit 51 detects the electric current of SPM 44 in real time, and by parameter transmission to microcontroller 43; When failure detector circuit 51 detects that SPM 44 breaks down, exportable fault cues signal is to microcontroller 43, so that microcontroller 43 processes further; On-off circuit 47 controls the On/Off of microcontroller 43 and SPM 44, to power as required.

The utility model industry sewing device is by gathering multiple sensors signal, can more effectively control motor, there is the advantage that dynamic property is good, control convenience, high power density, effectively improve properties of product thus, there are good market prospects.

Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection domain of the present utility model should define with the utility model claim is as the criterion.

Claims (5)

1. a sewing device platen, this sewing device comprises lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism and control system, lead wires mechanism, thread take-up mechanism, hook line mechanism and cloth feeding mechanism share the upper axle being connected wheel, and on this, wheel is connected with motor by transmission mechanism; Control system comprises the microcontroller, SPM and the motor that are connected successively, microcontroller is connected with some sensing/input equipments to receive corresponding signal/input parameter or instruction, generate and output pwm signal, be transformed into motor drive signal for SPM and carry out drive motors, it is characterized in that, this sewing device comprises platen, and head is installed on platen by support, this platen has extension plate, and this extension plate carries out folding and unfolding by supporting hinges.

2. platen as claimed in claim 1, is characterized in that, platen is offered some block cloth cylindrical voids, in order to load the pin of mounting block cloth in block cloth cylindrical void according to workpiece size.

3. platen as claimed in claim 2, it is characterized in that, platen is supported in frame, and this frame has housiung separator and frame is kept a foothold, and the bottom surface of platen arranges platen groove, and housiung separator has the cross section that matches and is supported in platen groove.

4. platen as claimed in claim 3, it is characterized in that, platen groove and housiung separator have inverted trapezoidal cross section.

5. platen as claimed in claim 4, it is characterized in that, this sewing device comprises presser foot device, this presser foot device comprises stock, presser feet, spring, stock is supported in two needle bar frames by shank, spring is placed on stock and between two needle bar frames, and the bottom that presser feet is loaded on stock is rotationally with to cloth flanging.