CN201068511Y

CN201068511Y - Bead hemming machine

Info

Publication number: CN201068511Y
Application number: CNU2007201259837U
Authority: CN
Inventors: 冯银安
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-04
Filing date: 2007-07-20
Publication date: 2008-06-04
Anticipated expiration: 2017-07-20

Abstract

The utility model relates to a sewing device, in particular to a hand stitch machine, which includes a frame and a machine body arranged on the frame. The machine body includes a machine head and a pedestal. A main shaft, a cloth tooth shaft, an eccentric block and a swing piece are arranged o at the bottom side of the pedestal. The rotation of the main shaft is driven by a servo motor, and a step motor drives the swing piece to swing. The utility model is characterized in that the step motor is arranged at the bottom side of the pedestal, and the output shaft of the step motor is connected in linkage with the swing piece. The utility model has the advantages that the output shaft of the step motor is connected with the swing piece directly, the inertia is little, the brake is accurate, the noise is low, the structure is simple, and the cost is minimized.

Description

Bead edging machine

Technical field

The utility model relates to a kind of sewing device, particularly a kind of bead edging machine.

Background technology

In bead edging machine, servomotor drives main axis rotation, when main shaft rotates, main shaft drives the goods of furniture for display rather than for use swing by eccentric block, goods of furniture for display rather than for use and then the rotation of drive dog axle, thereby make feed dog realize the walking of length-specific, and for the length of conversion walking, the control of then adopting stepper motor that goods of furniture for display rather than for use is carried out the amplitude of oscillation again realizes the conversion of the step-length of walking, yet in the current bead edging machine, stepper motor comes goods of furniture for display rather than for use is controlled by linkage, but adopt linkage to exist following problem: complex structure, inertia makes parking spot inaccurate greatly, and noise is also big in addition, and cost is relatively also high.

Summary of the invention

The purpose of this utility model provides a kind of parking spot accurate, the bead edging machine that noise is little.

Another purpose of the present utility model provides a kind of structure simple relatively, the bead edging machine that cost is low.

The purpose of this utility model is achieved by the following technical solution: a kind of bead edging machine, comprise frame, rack-mounted body, described body includes head and base, be provided with main shaft, dog axle, eccentric block and goods of furniture for display rather than for use in underside, described main shaft is by the servomotor driven rotary, and stepper motor then drives the goods of furniture for display rather than for use swing, it is characterized in that: described cloth enters the bottom side of electric machine at base, the output shaft of stepper motor directly and goods of furniture for display rather than for use be connected.

The utility model further is set to: the output shaft of described stepper motor includes this axle and connecting axle, and this axle is connected in the stepper motor body, and connecting axle is connected with goods of furniture for display rather than for use, and this axle is connected by shaft joint is coaxial with connecting axle.

Further be set to: described shaft joint is a quill shaft again, and on the sidewall at the two ends of shaft joint, also be provided with trip bolt, one end of described connecting axle is enclosed within an end of shaft joint and fixes with trip bolt, and the other end that described axle sleeve is located at shaft joint is fixed with another trip bolt.

Further be set to: described servomotor is fixed on the position with respect to the outside of base of frame.

The beneficial effects of the utility model are: utilize the output shaft of stepper motor directly to be connected with goods of furniture for display rather than for use, so inertia is little, stop accurately, noise is also little, and makes simple in structurely, and cost also is reduced.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 3 is the B-B cutaway view of Fig. 2

The specific embodiment

Now in conjunction with the accompanying drawings the utility model is further described:

As shown in Figure 1 to Figure 3, the embodiment of a kind of bead edging machine of the utility model, comprise frame 1, be installed in the body 2 on the frame 1, described body 2 includes head 21 and base 22, be provided with main shaft 6 in base 22 bottom sides, dog axle 7, eccentric block 4 and goods of furniture for display rather than for use 5, goods of furniture for display rather than for use 5 one ends are fixedly sleeved on dog axle 7, goods of furniture for display rather than for use 5 other ends then directly are connected with the output shaft 31 of stepper motor 3, and eccentric block 4 one ends are fixedly sleeved on main shaft 6, eccentric block 4 other ends are hinged between the axis hole (this axis hole is the axis hole that is connected of goods of furniture for display rather than for use 5 and dog axle 7) and connecting hole (this hole is the connecting hole of the output shaft 31 of goods of furniture for display rather than for use 5 and stepper motor 3) of goods of furniture for display rather than for use 5, servomotor 8 drives main shaft 6 rotations by belt wheel, during main shaft 6 rotations, main shaft 6 drives goods of furniture for display rather than for use 5 rotations by eccentric block 4, goods of furniture for display rather than for use 5 drives 7 rotations of dog axle again makes feed dog realize constant step-length walking, and when needing the step-length of conversion walking, then control the amplitude of oscillation of goods of furniture for display rather than for uses 5 by stepper motor 3, thereby the rotation angle that realizes conversion dog axle 7 reaches the purpose that step tooth step-length is sent in conversion, because the output shaft 31 of stepper motor 3 directly is connected with goods of furniture for display rather than for use 5, therefore inertia is little, stop accurately, noise is also little, and make simple in structurely, cost also is reduced.

In the present embodiment, stepper motor 3 output shafts 31 with make a general reference direct connection of goods of furniture for display rather than for use 5, be not establish miscellaneous part between output shaft and the goods of furniture for display rather than for use of stepper motor and directly be connected, also can be connected with goods of furniture for display rather than for use at the coaxial sheathed jackshaft of the front end of output shaft, promptly can be expressed as simultaneously: the output shaft 31 of stepper motor 3 includes this axle 311 and connecting axle 313, this axle 311 is connected in the stepper motor body, connecting axle 313 is connected with goods of furniture for display rather than for use 5, and this axle 311 and connecting axle 313 are by 312 coaxial connections of shaft joint.And for ease of installing, also be usually by this 311, connecting axle 313 is connected with the mode of shaft joint 312.And common described shaft joint 312 is a quill shaft, and on the sidewall at the two ends of shaft joint 312, also be provided with trip bolt, one end of described connecting axle 313 is enclosed within an end of shaft joint 312 and fixes with trip bolt, and the other end that described axle 311 is set in shaft joint 312 is fixed with another trip bolt.

In the present embodiment, described servomotor 8 is fixed on the position with respect to the outside of base 22 of frame 1.

Claims

1. bead edging machine, comprise frame, rack-mounted body, described body includes head and base, be provided with main shaft, dog axle, eccentric block and goods of furniture for display rather than for use in underside, described main shaft is by the servomotor driven rotary, and stepper motor then drives the goods of furniture for display rather than for use swing, it is characterized in that: described cloth enters the bottom side of electric machine at base, the output shaft of stepper motor directly and goods of furniture for display rather than for use be connected.

2. bead edging machine as claimed in claim 1 is characterized in that: the output shaft of described stepper motor includes this axle and connecting axle, and this axle is connected in the stepper motor body, and connecting axle is connected with goods of furniture for display rather than for use, and this axle is connected by shaft joint is coaxial with connecting axle.

3. bead edging machine as claimed in claim 2, it is characterized in that: described shaft joint is a quill shaft, and on the sidewall at the two ends of shaft joint, also be provided with trip bolt, one end of described connecting axle is enclosed within an end of shaft joint and fixes with trip bolt, and the other end that described axle sleeve is located at shaft joint is fixed with another trip bolt.

4. as claim 1 or 2 or 3 described bead edging machines, it is characterized in that: described servomotor is fixed on the position with respect to the outside of base of frame.