CN202000098U

CN202000098U - Overlock machine

Info

Publication number: CN202000098U
Application number: CN2010206980477U
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: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-10-05
Anticipated expiration: 2020-12-30

Abstract

The utility model discloses an overlock machine, which comprises a head (1), wherein a rotating shaft (11) is arranged in the head (1); one end of the rotating shaft (11) extends out of the side face of the head (1); the overlock machine is characterized in that: the side face of the head (1) is provided with a direct drive motor (2); and the direct drive motor (2) is directly connected with one end of the rotating shaft (11) and drives the rotating shaft (11) to rotate. The overlock machine does not have mechanical loss during transmission and is more energy-saving, mechanical faults are reduced, service life is prolonged, and low vibration noise is guaranteed; and compared with the overlock machine with an alternating current (AC) motor, the overlock machine provided by the utility model saves energy by 80 percent and saves labor by 20 percent through measurement and calculation, meets the national energy conservation and environmental protection policies and has broad application prospect.

Description

A kind of overlock machine

(1) technical field:

The utility model relates to a kind of overlock machine.

(2) background technology:

Existing overlock machine generally is to be used as power source by 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 overlock machine head by belt, clutch again, there is following shortcoming in this structure: 1) number of parts is many, complex structure contains precision elements such as bearing in the motor, bearing weares and teares easily and breaks down; 2) volume is big, and heating is serious, relatively power consumption, and vibration and noise are big, are easy to generate occupational disease.

In order to address the above problem, some schemes are in the side of overlock machine servomotor to be installed, servomotor drives the rotating shaft of overlock machine head again by transmission mechanism, but still there is following shortcoming in this kind scheme: 1) servomotor itself contains one or two bearings and comes the support motor rotating shaft, occur bearing inevitably and wear and tear easily, thereby cause occurring more mechanical breakdown and mechanical energy consumption; 2) axial dimension of servomotor is big, and the installation site, side of overlock machine is limited, causes the integrated operation inconvenience, and moulding is not attractive in appearance; 3) energy consumption is also higher.

(3) utility model content:

The purpose of this utility model provides a kind of overlock machine, and it is equipped with direct driving motor in the side of head, and direct driving motor directly is connected with an end of rotating shaft and drives rotating shaft and rotates, volume is little, energy consumption is little, and horsepower is big, and vibrating noise is little, integral body is comparatively attractive in appearance, and operating maintenance is simple and easy, and the little life-span of fault is long.

The utility model is to realize by following technical scheme:

A kind of overlock machine comprises head, and rotating shaft is installed in head the inside, and an end of rotating shaft stretches out the side of head, in the side of head direct driving motor is installed, and direct driving motor directly is connected with an end of rotating shaft and drives the rotating shaft rotation.

Above-mentioned described direct driving motor comprises stator module, rotor assembly and casing, and rotor assembly directly is sleeved on an end of rotating shaft, is with stator module in the rotor assembly outside, the nested casing the inside that is installed in of stator module, and casing is mounted on the side of head.

Above-mentioned described direct driving motor is the brush DC inner rotor motor, and it also comprises electric machine controller.

Above-mentioned described 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.

Above-mentioned described branch sleeve is equipped with radiator fan.

The end of above-mentioned described branch sleeve extends radially out postive stop baffle, and rotor core one end face leans against on the postive stop baffle.

Above-mentioned described stitch thumb wheel is connected on the postive stop baffle by screw.

Above-mentioned described casing is installed on the position adjustments plate, and the position adjustments plate is installed in the side of head by screw.

The utility model compared with prior art, following advantage is arranged: 1) direct driving motor is installed in the side of head, direct driving motor directly is connected with an end of rotating shaft and drives rotating shaft and rotates, the direct driving motor the inside does not have bearing, rotor assembly directly is sleeved on an end of rotating shaft, 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, compares with the overlock machine that the AC motor is installed through measuring and calculating, of the present utility model energy-conservation 80%, save manpower 20%, meet the energy-conserving and environment-protective policy of country, have broad prospect of application; 2) the direct driving motor volume is little, and the side globality that is installed in head is strong, better appearance, and occupation space is little, and is easy and simple to handle, and the dismounting maintenance is easily; 3) direct driving 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 by screw, and is simple in structure, processing ease; 6) casing is installed on the position adjustments plate, the position adjustments plate is installed in the side of head by screw, because not of uniform size the causing of head of the Sewing machines of different brands, adopt different position adjustments plates just direct driving motor of the present utility model can be installed, fairly simple, need not redevelop at the Sewing machines of each plate, thereby reduce development cost, realize large-scale production.

(4) description of drawings:

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

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the stereogram of an angle of direct driving motor of the present utility model;

Fig. 3 is the stereogram of another angle of direct driving motor of the present utility model;

Fig. 4 is the exploded view of direct driving motor of the present utility model;

Fig. 5 is the connection diagram of stitch thumb wheel of the present utility model and rotor assembly;

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

Fig. 7 is a direct driving motor of the present utility model and the cutaway view that is connected of the rotating shaft of overlock machine head;

Fig. 8 is the scheme of installation of direct driving motor of the present utility model and position adjustments plate.

(5) specific embodiment:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, a kind of overlock machine of the present utility model, comprise head 1, rotating shaft 11 is installed in head 1 the inside, one end of rotating shaft 11 stretches out the side of head 1, in the side of head 1 direct driving motor 2 is installed, direct driving motor 2 directly is connected with an end of rotating shaft 11 and drives rotating shaft 11 and rotates, direct driving motor 2 comprises stator module 21, rotor assembly 22 and casing 23, rotor assembly 22 directly is sleeved on an end of rotating shaft 11, be with stator module 21 in rotor assembly 22 outsides, stator module 21 nested casing 23 the insides that are installed in, casing 23 is mounted on the side of head 1, direct driving motor 2 is brush DC inner rotor motors, it also comprises electric machine controller, rotor assembly 22 comprises rotor core 221, be installed in the magnetic shoe 222 and the branch sleeve 224 in rotor core 221 outsides, rotor core 221 is sleeved on the outside of branch sleeve 224, branch sleeve 224 is sleeved in the rotating shaft 11, branch sleeve 224 is equipped with radiator fan 225, the end of branch sleeve 224 extends radially out postive stop baffle 223, branch sleeve 224 is connected by key 6 with rotating shaft 11, rotor core 221 1 end faces lean against on the postive stop baffle 223, described stitch thumb wheel 12 is connected on the postive stop baffle 223 by screw 3, casing 23 is installed on the position adjustments plate 4 by screw 26, and position adjustments plate 4 is installed in the side of head 1 by screw 5.Casing 23 is aluminum castings, can accelerate the heat radiation of motor, several lugs 231 of casing 23 arranged outside, have installing hole 232 on the lug 231, screw 26 passes installing hole 232 casing 23 and position adjustments plate 4 is coupled together, some through holes 41 are set on the position adjustments plate 4, the position of through hole 41 is corresponding with the screwhole position of the side of head 1, screw 5 passes through hole 41 side of position adjustments plate 4 with head 1 is coupled together, because not of uniform size the causing of head of the Sewing machines of different brands, adopt the position adjustments plate of different sizes just direct driving motor of the present utility model can be installed, need not be at the Sewing machines redevelopment direct driving motor 2 of each plate, thereby the reduction development cost realizes the large-scale production of motor.

The utility model is equipped with direct driving motor 2 in the side of head 1, direct driving motor 2 directly is connected with an end of rotating shaft 11 and drives rotating shaft 11 and rotates, direct driving motor 2 the insides do not have bearing, rotor assembly 22 directly is sleeved on an end of rotating shaft 11, direct driving motor 2 is to adopt the brush DC inner rotor motor, 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, compares with the AC motor through measuring and calculating, direct driving motor of the present utility model energy-conservation 80%, save manpower 20%, meet the energy-conserving and environment-protective policy of country, have broad prospect of application.

The foregoing description is a better embodiment of the present utility model; but embodiment of the present utility model is not limited thereto; other are any not to deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitute, combination, simplify; be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims

1. overlock machine, comprise head (1), rotating shaft (11) is installed in head (1) the inside, one end of rotating shaft (11) stretches out the side of head (1), it is characterized in that: in the side of head (1) direct driving motor (2) is installed, direct driving motor (2) directly is connected with an end of rotating shaft (11) and drives rotating shaft (11) and rotates.

2. a kind of overlock machine according to claim 1, it is characterized in that: direct driving motor (2) comprises stator module (21), rotor assembly (22) and casing (23), rotor assembly (22) directly is sleeved on an end of rotating shaft (11), be with stator module (21) in rotor assembly (22) outside, nested casing (23) the inside that is installed in of stator module (21), casing (23) is mounted on the side of head (1).

3. a kind of overlock machine according to claim 2 is characterized in that: direct driving motor (2) is the brush DC inner rotor motor, and it also comprises electric machine controller.

4. according to claim 1 or 2 or 3 described a kind of overlock machines, it is characterized in that: rotor assembly (22) comprises rotor core (221), is installed in the magnetic (222) and the branch sleeve (224) in rotor core (221) outside, rotor core (221) is sleeved on the outside of branch sleeve (224), and branch sleeve (224) is sleeved in the rotating shaft (11).

5. a kind of overlock machine according to claim 4 is characterized in that: branch sleeve (224) is equipped with radiator fan (225).

6. a kind of overlock machine according to claim 4 is characterized in that: the end of branch sleeve (224) extends radially out postive stop baffle (223), and rotor core (221) one end faces lean against on the postive stop baffle (223).

7. a kind of overlock machine according to claim 6 is characterized in that: described stitch thumb wheel (12) is connected on the postive stop baffle (223) by screw (3).

8. according to claim 2 or 3 described a kind of overlock machines, it is characterized in that: casing (23) is installed on the position adjustments plate (4), and position adjustments plate (4) is installed in the side of head (1) by screw.