CN202139417U

CN202139417U - Flat seaming machine

Info

Publication number: CN202139417U
Application number: CN201120215877U
Authority: CN
Inventors: 谢新伟
Original assignee: ZHONGSHAN BAICHUAN HUIYING PRECISE INDUSTRY Co Ltd
Current assignee: ZHONGSHAN BAICHUAN HUIYING PRECISE INDUSTRY Co Ltd
Priority date: 2011-06-23
Filing date: 2011-06-23
Publication date: 2012-02-08
Anticipated expiration: 2021-06-23

Abstract

The utility model belongs to the field of a sewing apparatus, in particular, discloses a flat seaming machine, which comprises a base and a head mounted on the base, wherein a needle bar subassembly and a second drive axle for driving the needle bar subassembly to move are arranged on the head; a first drive axle is arranged on the base; a drive mechanism is arranged between the first drive axle and the second drive axle; the second drive axle is driven by the first drive axle through the drive mechanism; the first drive axle is connected with a driving mechanism; the driving mechanism is a direct drive brushless direct-current motor; the direct drive brushless direct-current motor includes a stator subassembly, a rotor subassembly, a shell and a motor controller; the end of the first drive axle is directly mounted on the rotor subassembly; the stator subassembly is coated on the outside of the rotor subassembly and embedded and mounted in the shell; the shell is mounted on the side face of the base. The flat seaming machine has the advantages of simple structure, small volume, small energy consumption, large power, small vibration noise, beautiful integrated appearance, simple operation and maintenance, small fault, long service life and high intelligence level.

Description

A kind of flat seaming machine

(1) technical field:

The utility model belongs to the sewing instrument field, especially a kind of flat seaming machine.

(2) background technology:

Existing flat seaming machine generally is to be used as power source through alternating current generator, because the alternating current generator volume is big; Generally be installed in the bottom of workbench; Alternating current generator is connected with the rotating shaft of flatcar head through belt, clutch again, and there is following shortcoming in this structure: 1) number of parts is many, complex structure; Contain precision elements such as bearing in the motor, bearing easy abrasion and breaking down; 2) volume is big, and heating is serious, relatively power consumption, and vibration and noise are big, are easy to generate occupational disease, poor stability.3) control is through manually accomplishing, and intelligent degree is low, and the operation accuracy is not good enough, influences sewing quality.

(3) utility model content:

The purpose of the utility model be to provide a kind of simple in structure, volume is little, energy consumption is little, horsepower is big, vibrating noise is little, integral body is comparatively attractive in appearance, operating maintenance is simple and easy, the little life-span of fault is long, the flat seaming machine that intelligent degree is high.

The utility model is to realize through following technical scheme:

A kind of flat seaming machine comprises support and is installed in the head on the support, second driving shaft that said head is provided with the shank assembly and drives the action of shank assembly; Said support is provided with first driving shaft; Be provided with transmission mechanism between said first driving shaft and second driving shaft, first driving shaft drives second driving shaft through transmission mechanism, and said first driving shaft is connected with driving mechanism; It is characterized in that: said driving mechanism is for drive brshless DC motor always; This directly drives brshless DC motor and comprises stator module, rotor assembly, casing and electric machine controller, and the end of said first driving shaft is directly installed on the rotor assembly, is with stator module in the rotor assembly outside; The nested casing the inside that is installed in of stator module, casing is installed in the side of support.

Above technical scheme can be done further to improve through following measure:

One end of said second driving shaft connects a handwheel, and said handwheel is arranged on a side of head.

The said brshless DC motor that directly drives is the brush DC inner rotor motor, and casing comprises housing, bonnet and position adjustments plate, and bonnet and position adjustments plate are installed in the two ends of housing respectively, and the position adjustments plate is installed in the side of support through screw.

On the said position adjustments plate some through holes are set, the side of support is provided with screw, and the position of through hole is corresponding with the position of screw, and screw passes through hole the side of position adjustments plate and support is coupled together, and position adjustments plate middle part is provided with centre bore.

Said rotor assembly comprises rotor core, is installed in the magnetic shoe and the branch sleeve in the rotor core outside, and rotor core is sleeved on the outside of branch sleeve, and branch sleeve is sleeved on the end of first driving shaft.

Said branch sleeve is equipped with radiator fan, and the end of branch sleeve extends radially out positive stop, and rotor core one end face leans against on the positive stop.

Have through hole in the middle of the said bonnet, a stitch thumb wheel passes through hole and is connected on the positive stop with screw, and several pin devices are installed on the said stitch thumb wheel.

The output of said several pin devices connects the input of electric machine controller; The output of electric machine controller is connected with display; Also be provided with the speed setting button on the display, the output of said speed setting button connects the input of electric machine controller, and the output of electric machine controller connects stator winding.

The utility model compared with prior art has following advantage: 1) be equipped with in the side of support and directly drive brshless DC motor, directly drive brshless DC motor and directly be connected with an end of first driving shaft and drive first drive shaft turns; Directly driving the brshless DC motor the inside does not have bearing, rotor assembly directly to be sleeved on an end of first driving shaft, and transmission process does not have the loss of machinery; More energy-conservation, the fault that reduces machinery increases the service life, and vibrating noise is little; Compare with the flatcar that the AC motor is installed through measuring and calculating, the utility model energy-conservation 80% practiced thrift manpower 20%; Meet the energy-conserving and environment-protective policy of country, have broad prospect of application; 2) it is little directly to drive the brshless DC motor volume, and the side globality that is installed in support is strong, better appearance, and occupation space is little, and is easy and simple to handle, and the dismounting maintenance is easily; 3) directly driving brshless DC motor is the brush DC inner rotor motor, and it also comprises electric machine controller, and is more energy-conservation; 4) rotor assembly comprises rotor core, is installed in the magnetic shoe and the branch sleeve in the rotor core outside, and rotor core is sleeved on the outside of branch sleeve, and branch sleeve is sleeved in the rotating shaft, and branch sleeve is equipped with radiator fan, and is simple in structure, and heat radiation is very fast; 5) the stitch thumb wheel is connected on the rotor core through screw, and is simple in structure, processing ease; 6) a position adjustments plate is set on the casing; The position adjustments plate is installed in the side of head through screw, because not of uniform size the causing of head of the flatcar of different brands, that adopts that different position adjustments plates just can install the utility model directly drives brshless DC motor; Fairly simple; Need not redevelop to the flatcar of each plate, thereby reduce development cost, realize large-scale production; 7) count the pin device and be installed on the stitch thumb wheel, number pin device output connects the electric machine controller input, and the output of electric machine controller is connected with display; The output of speed setting button connects the input of electric machine controller; The output of electric machine controller connects stator winding, realizes that intelligent degree is high, and speed governing is convenient; Control accurately easily, help improving sewing quality.

(4) description of drawings:

Below in conjunction with accompanying drawing the utility model is done detailed explanation:

Fig. 1 is the stereogram of the utility model;

Fig. 2 is the exploded view of the utility model;

Fig. 3 is the stereogram of an angle of directly driving brshless DC motor of the utility model;

Fig. 4 is the stereogram of another angle of directly driving brshless DC motor of the utility model;

Fig. 5 is the exploded view that directly drives brshless DC motor of the utility model;

Fig. 6 is the exploded view of the rotor assembly of the utility model;

Fig. 7 be on direct driving motor and the support of the utility model first driving shaft be connected cutaway view;

Fig. 8 is the electrical equipment control schematic diagram of the utility model.

(5) specific embodiment:

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9; A kind of flat seaming machine comprises support 1 and is installed in the head 2 on the support 1, the second driving shaft (not shown) that said head 2 is provided with shank assembly 21 and drives 21 actions of shank assembly; Said support 1 is provided with first driving shaft 11; Be provided with the transmission mechanism (not shown) between said first driving shaft 11 and second driving shaft, first driving shaft 11 drives second driving shaft through transmission mechanism, and said first driving shaft 11 is connected with driving mechanism; It is characterized in that: said driving mechanism is for drive brshless DC motor 3 always; This directly drives brshless DC motor 3 and comprises stator module 31, rotor assembly 32, casing and electric machine controller 33, and the end of said first driving shaft 11 is directly installed on the rotor assembly 32, is with stator module 31 in rotor assembly 32 outsides; The stator module 31 nested casing the insides that are installed in, casing is installed in the side of support 1.

One end of said second driving shaft connects a handwheel 22, and said handwheel 22 is arranged on a side of head 2.

The said brshless DC motor 3 that directly drives is brush DC inner rotor motors; Casing comprises housing 34, bonnet 35 and position adjustments plate 36; Bonnet 35 and position adjustments plate 36 are installed in the two ends of housing 34 respectively, and position adjustments plate 36 is installed in the side of support 1 through screw 4.

Some through holes 361 are set on the said position adjustments plate 36; The side of support 1 is provided with screw 12; The position of through hole 361 is corresponding with the position of screw 12, and screw 4 passes through hole 361 side of position adjustments plate 36 with support 1 coupled together, and position adjustments plate 36 middle parts are provided with centre bore 362.

Said rotor assembly 32 comprises rotor core 321, is installed in the magnetic shoe 322 and the branch sleeve 323 in rotor core 321 outsides, and rotor core 321 is sleeved on the outside of branch sleeve 323, and branch sleeve 323 is sleeved on the end of first driving shaft 11.

Said branch sleeve 323 is equipped with radiator fan 324, and the end of branch sleeve 323 extends radially out positive stop 3231, and rotor core 321 1 end faces lean against on the positive stop 3231.

Have through hole 351, one stitch thumb wheels 5 in the middle of the said bonnet 35 and pass through hole 351 and be connected on the positive stop 3231, several pin devices 7 are installed on the said stitch thumb wheel 5 with screw 6.

The output of said several pin devices 7 connects the input of electric machine controller 33; The output of electric machine controller 33 is connected with display 8; Also be provided with speed setting button 9 on the display 8; The output of said speed setting button 9 connects the input of electric machine controller 33, and the output of electric machine controller 33 connects stator winding.

The foregoing description is the preferred embodiments of the utility model; But the embodiment of the utility model is not limited thereto; Other are any not to deviate from change, the modification done under spirit and the principle of the utility model, substitute, combination, simplify and be the equivalent replacement mode, is included within the protection domain of the utility model.

Claims

1. a flat seaming machine comprises support and is installed in the head on the support, second driving shaft that said head is provided with the shank assembly and drives the action of shank assembly; Said support is provided with first driving shaft; Be provided with transmission mechanism between said first driving shaft and second driving shaft, first driving shaft drives second driving shaft through transmission mechanism, and said first driving shaft is connected with driving mechanism; It is characterized in that: said driving mechanism is for drive brshless DC motor always; This directly drives brshless DC motor and comprises stator module, rotor assembly, casing and electric machine controller, and the end of said first driving shaft is directly installed on the rotor assembly, is with stator module in the rotor assembly outside; The nested casing the inside that is installed in of stator module, casing is installed in the side of support.

2. a kind of flat seaming machine according to claim 1 is characterized in that: an end of said second driving shaft connects a handwheel, and said handwheel is arranged on a side of head.

3. a kind of flat seaming machine according to claim 1; It is characterized in that: the said brshless DC motor that directly drives is the brush DC inner rotor motor; Casing comprises housing, bonnet and position adjustments plate; Bonnet and position adjustments plate are installed in the two ends of housing respectively, and the position adjustments plate is installed in the side of support through screw.

4. a kind of flat seaming machine according to claim 3; It is characterized in that: on the said position adjustments plate some through holes are set; The side of support is provided with screw; The position of through hole is corresponding with the position of screw, and screw passes through hole the side of position adjustments plate and support is coupled together, and position adjustments plate middle part is provided with centre bore.

5. a kind of flat seaming machine according to claim 1; It is characterized in that: said rotor assembly comprises rotor core, is installed in the magnetic shoe and the branch sleeve in the rotor core outside; Rotor core is sleeved on the outside of branch sleeve, and branch sleeve is sleeved on the end of first driving shaft.

6. a kind of flat seaming machine according to claim 5 is characterized in that: said branch sleeve is equipped with radiator fan, and the end of branch sleeve extends radially out positive stop, and rotor core one end face leans against on the positive stop.

7. according to claim 3 or 4 described a kind of flat seaming machines, it is characterized in that: have through hole in the middle of the said bonnet, a stitch thumb wheel passes through hole and is connected on the positive stop with screw, and several pin devices are installed on the said stitch thumb wheel.

8. a kind of flat seaming machine according to claim 7; It is characterized in that: the output of said several pin devices connects the input of electric machine controller; The output of electric machine controller is connected with display; Also be provided with the speed setting button on the display, the output of said speed setting button connects the input of electric machine controller, and the output of electric machine controller connects stator winding.