Transmission mechanism for needle bar of straight-type flat seaming machine
A technology of needle bar transmission and interlock sewing machine, which is applied in the direction of sewing machine needle base, sewing machine components, sewing equipment, etc., which can solve problems such as inability to meet customer needs, and achieve the effects of small vibration, low working noise and simple structure
Active Publication Date: 2012-12-05
浙江振盛缝制机械有限公司
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Problems solved by technology
It is clear that the existing technology cannot meet the needs of customers
Method used
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[0014] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0015] like figure 1 As shown, the needle bar transmission mechanism of the straight interlock sewing machine is located at the machine head of the interlock sewing machine, and includes a fixed shaft 1 fixed on the frame and a crank shaft 2 that can rotate freely. It turns the crank 5.
[0016] like figure 2 As shown, the crankshaft 2 includes a main journal 2b of the main body and an eccentric pin journal 2a in the middle, and the pin journal 2a is provided with a ball stud for connection. One end of the crank 5 is fixedly connected with the needle bar 3, and the other end of the crank 5 is connected with the connecting rod journal 2a of the crankshaft 2 through the transmission connecting rod 4, and the main journal ...
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The invention provides a transmission mechanism for a needle bar of a straight-type flat seaming machine, belonging to the technological field of machinery. The invention solves the technical problems of low operating speed, strong vibration, and the like existing in the prior flat seaming machine. A crank axle capable of rotating and a needle bar capable of axially moving are fixedly arranged atthe head of the flat seaming machine; the mechanism is arranged between the crank axle and the needle bar and comprises a transmission connection rod and a crank sequentially arranged between the crank axle and the needle bar; the crank is sleeved on a fixed axle fixed at the head of the flat seaming machine and can rotate around the fixed axle; one end of the crank is connected with the needle bar, the other end of the crank is articulated with one end of the transmission connection rod; the other end of the transmission connection rod is articulated with the connection rod journal of the crank axle. The transmission mechanism for the needle bar enables the needle bar to realize the high-speed reciprocating motion, and the machine has the advantages of little vibration, simple structure,low cost and strong market competitiveness.
Description
technical field [0001] The invention belongs to the technical field of machinery, and relates to a needle bar transmission mechanism, in particular to a needle bar transmission mechanism of a straight-type interlock sewing machine. Background technique [0002] With the development of the industry, higher requirements have been put forward for the straight cylinder interlock sewing machine widely used in the industry. The interlock sewing machine needs to run at a higher speed, be more stable during use, and have a lighter vibration of the machine. For this reason, be badly in need of developing a kind of novel high-speed straight cylinder type interlock sewing machine. [0003] The interlock sewing machines currently on the market are mainly low-to-medium speed models. The needle bars of these models adopt a lever-type transmission mechanism, and there are problems such as low needle bar running speed and large vibration. The working speed of the interlock sewing machine m...
Claims
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IPC IPC(8): D05B55/14
Inventor 董伟弦
Owner 浙江振盛缝制机械有限公司