A wire ring returning mechanism and a joint operating mechanism for a spinning frame

Abstract

The present invention relates to a wire ring return mechanism and a joint operation mechanism for a spinning frame, which enables the wire ring to return to a specified steel ring phase, has a high success rate and a simple mechanism structure. The wire ring return mechanism comprises a return screw, a driving mechanism, a memory alloy wire, a pusher and a sleeve, the return screw is connected to one end of the memory alloy wire, the other end of the memory alloy wire is connected to the pusher, the driving mechanism is adapted to the return screw, and the driving mechanism drives the return screw to move; the sleeve is located outside the memory alloy wire, and one end of the memory alloy wire extends out of the sleeve.

Description

Technical Field

[0001] The invention relates to a return mechanism, in particular to a wire ring return mechanism and a joint operating mechanism for a spinning frame. Background Art

[0002] Spinning ends of ring spinning machines are an objective reality in spinning production. There are many specific reasons for spinning ends, but the main factor is that the breaking strength of the weak link of the yarn is less than the peak value of the spinning tension. Due to the particularity and complexity of the spinning joint work, the ring spinning technology has been developed since its birth for nearly 200 years. The joint after the ring spinning machine has always been done manually. With the development of technology and the progress of society, machine replacement is a major trend.

[0003] In the scheme provided by the patent application with Chinese patent application No. 201510497301.4 and titled "A method for positioning the wire ring of the automatic joint of a ring spinning frame", in order to make the wire ring of the broken spindle stop at a phase that facilitates the yarn head to penetrate the wire ring, a set of steel ring rotatable mechanism is added to the steel ring of each spindle, including a special steel ring, a large diameter bearing of the outer ring of the steel ring and its bearing seat, and even a belt transmission mechanism for driving the steel ring to rotate. In this way, under the condition that the original scheme is complex and the motion control is difficult, these structures with motion and control are added to each spindle, which not only makes the automatic joint scheme of the spinning frame more complicated, but also greatly increases the overall investment cost of the system, or the cost performance of the automatic joint technical scheme of the spinning frame is greatly reduced. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a wire ring returning mechanism and a joint operating mechanism for a spinning frame, so that the wire ring can be returned to a specified steel ring phase with a high success rate and a simple mechanism structure.

[0005] To solve the above technical problems, the embodiments of the present invention provide the following technical solutions:

[0006] In the first aspect, an embodiment of the present invention provides a wire ring return mechanism for a spinning machine, comprising a return screw, a driving mechanism, a memory alloy wire, a pushing member and a sleeve, the return screw being connected to one end of the memory alloy wire, the other end of the memory alloy wire being connected to the pushing member, the driving mechanism being adapted to the return screw, and the driving mechanism driving the return screw to move; the sleeve being located on the outside of the memory alloy wire, and one end of the memory alloy wire extending out of the sleeve.

[0007] As a preferred example, the wire ring return mechanism for the spinning frame further includes a return screw rod sleeve, and the return screw rod sleeve is connected to the outer side of the return screw rod.

[0008] As a preferred example, the memory alloy wire is a nickel-titanium memory alloy wire.

[0009] As a preferred example, the wire ring returning mechanism for the spinning frame further includes a transmission mechanism, and the transmission mechanism is connected between the driving mechanism and the returning screw rod.

[0010] As a preferred example, the transmission mechanism includes a worm wheel and a worm that are adapted to each other, the worm is connected to the rotating shaft of the driving mechanism, and the worm wheel is connected to the return screw.

[0011] As a preferred example, the pushing member is a plastic block.

[0012] In a second aspect, the present invention also provides a joint operating mechanism containing the wire ring return mechanism for the spinning frame, comprising a base body, and a wire ring return mechanism and a magnet connected to the base body, wherein the magnet and the wire ring return position are opposite to each other.

[0013] Compared with the prior art, the wire ring return mechanism and joint operating mechanism for the spinning frame of the embodiment of the present invention enable the wire ring to return to the specified steel collar phase, with a high success rate and a simple mechanism structure. The wire ring return mechanism of the embodiment of the present invention includes a return screw, a driving mechanism, a memory alloy wire, a pusher and a sleeve. In the working state, the return screw drives the memory alloy wire to move to the outside of the sleeve. The memory alloy wire extends out of the sleeve, and the free memory alloy wire moves along the surface of the steel collar and returns to a circular ring-shaped memory state with a diameter close to the diameter of the steel collar. In this process, the pusher at the end of the memory alloy wire returns the wire ring to the specified steel collar phase. After the wire ring returns to the specified steel collar phase, the wire ring return mechanism retracts quickly. By setting the memory alloy wire, the wire ring can be returned to the specified steel collar phase. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 1 is a schematic structural diagram of a wire ring returning mechanism in an embodiment of the present invention.

[0015] The figure includes: a return screw rod 1, a driving mechanism 2, a memory alloy wire 3, a pusher 4, a sleeve 5, a transmission mechanism 6, a return screw rod sleeve 7, a spinning frame 8, and a wire ring 9. DETAILED DESCRIPTION

[0016] The technical solution of the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

[0017] like Figure 1As shown, a wire ring return mechanism for a spinning machine according to an embodiment of the present invention comprises a return screw 1, a drive mechanism 2, a memory alloy wire 3, a pusher 4 and a sleeve 5. The return screw 1 is connected to one end of the memory alloy wire 3, the other end of the memory alloy wire 3 is connected to the pusher 4, the drive mechanism 2 is adapted to the return screw 1, and the drive mechanism 2 drives the return screw 1 to move. The sleeve 5 is located outside the memory alloy wire 3, and one end of the memory alloy wire 3 extends out of the sleeve 5. Preferably, the memory alloy wire 3 is a nickel-titanium memory alloy wire.

[0018] Under certain conditions, the memory alloy wire 3 is made into an open circular ring slightly smaller than the outer diameter of the steel collar. This is the memory state of the memory alloy wire 3. The driving mechanism 2 drives the return screw 1 to move. When entering the working state, the return screw 1 drives the memory alloy wire 3 to move to the outside of the sleeve 5. The memory alloy wire 3 extends out of the sleeve 5, and the free memory alloy wire 3 moves along the surface of the steel collar, and recovers to a circular ring-shaped memory state with a diameter close to the diameter of the steel collar. In this process, the pusher 4 at the end of the memory alloy wire 3 returns the wire ring to the specified steel collar phase, such as the 0 degree phase. After the wire ring 9 is returned, the driving mechanism 2 drives the return screw 1 in the reverse direction. Under the action of the return screw 1, the memory alloy wire 3 moves to the inside of the sleeve 5. The memory alloy wire 3 is separated from the steel collar. After the wire ring 9 is returned to the specified steel collar phase, the wire ring 9 return mechanism retracts quickly. The stroke of the return screw 1 is controlled by two return stroke switches.

[0019] In the above embodiment, during the movement of the return screw rod 1 and the memory alloy wire 3, the position of the sleeve 5 is fixed and does not move accordingly.

[0020] In this embodiment, the superelasticity or temperature memory property of the memory alloy wire 3 is utilized to force the memory alloy wire 3 to enter the sleeve 5 when in standby mode; and to restore the free circular state of the memory alloy wire 3 when in operation.

[0021] As a preferred example, the wire ring return mechanism further comprises a return screw sleeve 7, which is connected to the outside of the return screw 1. The return screw sleeve 7 can protect the return screw 1. At the same time, the return screw sleeve 7 can prevent the return screw 1 from hurting people around.

[0022] The driving mechanism 2 is used to drive the return screw 1 to move. Preferably, the wire ring return mechanism also includes a transmission mechanism 6, which is connected between the driving mechanism 2 and the return screw 1. Through the transmission mechanism 6, the power of the driving mechanism 2 is transmitted to the return screw 1 to make it move. In this preferred example, the rotation of the driving mechanism 2 is converted into the linear movement of the return screw 1 through the transmission mechanism 6. The structure of the transmission mechanism 6 can be various. Preferably, the transmission mechanism 6 includes a worm wheel and a worm that are adapted to each other, the worm is connected to the rotating shaft of the driving mechanism 2, and the worm wheel is connected to the return screw 1. Through the adaptation of the worm wheel and the worm, the rotation of the driving mechanism 2 is converted into the linear movement of the return screw 1. Of course, in addition to the adaptation of the worm wheel and the worm, the adaptation of the gear and the rack, the adaptation of the synchronous belt and the synchronous pulley, and other transmission mechanisms can also be used to achieve the same function.

[0023] Preferably, the pusher 4 is a plastic block. The plastic block is light in weight and can be pushed by the memory alloy wire 3.

[0024] The embodiment of the present invention further provides a joint operating mechanism, including a base, and a wire ring returning mechanism and a magnet connected to the base, wherein the magnet and the wire ring returning position are opposite to each other.

[0025] The wire ring return mechanism is installed on the joint operation platform. During the automatic joint process, after the floating joint operation platform is bound to the ring plate of the spinning frame 8, the wire ring 9 is returned. The wire ring return mechanism is used to return the wire ring 9 on the ring of the spinning frame 8 to the specified ring phase. When the wire ring 9 is at the specified ring phase, the magnet uses its magnetism to generate a magnetic force to attract the wire ring 9, so that the position of the wire ring 9 is fixed.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above specific embodiments. The above specific embodiments and the description in the specification are only for further illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of the present invention to be protected is defined by the claims and their equivalents.

Claims

1. A wire ring return mechanism for a spinning frame, characterized in that: The invention comprises a return screw (1), a driving mechanism (2), a memory alloy wire (3), a pushing piece (4) and a sleeve (5); the return screw (1) is connected to one end of the memory alloy wire (3), the other end of the memory alloy wire (3) is connected to the pushing piece (4), the driving mechanism (2) is adapted to the return screw (1), and the driving mechanism (2) drives the return screw (1) to move; the sleeve (5) is located outside the memory alloy wire (3), and one end of the memory alloy wire (3) extends out of the sleeve (5); The memory alloy wire (3) is formed into an open circular ring slightly smaller than the outer diameter of the steel collar; the memory alloy wire (3) in a free state moves along the surface of the steel collar and returns to a circular ring-shaped memory state with a diameter close to the diameter of the steel collar; and a pusher (4) at the end of the memory alloy wire (3) causes the steel ring to return to a specified phase of the steel collar.

2. The wire ring return mechanism for a spinning frame according to claim 1, characterized in that: It also includes a return screw sleeve, which is connected to the outside of the return screw (1).

3. The wire ring return mechanism for a spinning frame according to claim 1, characterized in that: The memory alloy wire (3) is a nickel-titanium memory alloy wire.

4. The wire ring return mechanism for a spinning frame according to claim 1, characterized in that: It also comprises a transmission mechanism (6), wherein the transmission mechanism (6) is connected between the driving mechanism (2) and the return screw rod (1).

5. The wire ring return mechanism for a spinning frame according to claim 4, characterized in that: The transmission mechanism (6) comprises a worm wheel and a worm that are adapted to each other, the worm wheel is connected to the rotating shaft of the driving mechanism (2), and the worm wheel is connected to the return screw (1).

6. The wire ring return mechanism for a spinning frame according to claim 1, characterized in that: The pushing member (4) is a plastic block.

7. A piecing operation mechanism comprising a wire ring returning mechanism for a spinning frame according to any one of claims 1 to 6, characterized in that: The utility model comprises a base body, and a wire ring returning mechanism and a magnet connected to the base body, wherein the magnet and the wire ring returning position are opposite to each other.

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