A lifting chuck mechanism for yarn strength detection

Abstract

The present invention discloses a lifting chuck mechanism for yarn strength detection, comprising a frame top plate and a lifting workbench arranged above the frame top plate and capable of lifting and lowering, a yarn positioning structure for positioning the upper end of the yarn is arranged below the lifting workbench, the yarn positioning structure comprises a connecting frame and a pair of yarn positioning clamps, the connecting frame is fixed to the lower part of the lifting workbench, the pair of yarn positioning clamps are elastic clamps, the upper ends of the pair of yarn positioning clamps are movably arranged on the connecting frame, and the lower ends of the pair of yarn positioning clamps are provided with a pair of yarn clamps for clamping the yarn. The lifting chuck mechanism for yarn strength detection has a reasonable structural design, is clamped and positioned by the yarn clamp at the lower end of the yarn positioning clamp, and the clamping position is ensured by the wire block, the yarn positioning operation is simple, and the detection efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of yarn strength detection, in particular to a lifting chuck mechanism for yarn strength detection. Background Art

[0002] After the yarn is produced, its performance needs to be tested, and the quality of the yarn produced needs to be paid attention to in real time; the yarn is cotton thread, and its strength performance needs to be tested. When testing the strength performance of the yarn, one end of the yarn needs to be fixed for stretching. Currently, most of them are fixed by winding and clamping, which is cumbersome to operate and affects the detection efficiency. Summary of the invention

[0003] In view of the shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a lifting chuck mechanism for yarn strength detection, so as to achieve the purpose of simple yarn positioning.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] The lifting chuck mechanism for yarn strength detection comprises a frame top plate and a lifting workbench which is arranged above the frame top plate and can be lifted and lowered. A yarn positioning structure for positioning the upper end of the yarn is arranged below the lifting workbench. The yarn positioning structure comprises a connecting frame and a pair of yarn positioning clamps. The connecting frame is fixed to the lower part of the lifting workbench. The pair of yarn positioning clamps are elastic clamps. The upper ends of the pair of yarn positioning clamps are movably arranged on the connecting frame. The lower ends of the pair of yarn positioning clamps are provided with a pair of yarn clamps for clamping the yarn.

[0006] Further or preferred:

[0007] A group of lifting cylinders are arranged on the top plate of the frame, and the lower part of the lifting workbench is connected to the upper ends of the piston rods of the group of lifting cylinders.

[0008] A wire rack is arranged on the side edge of the top plate of the frame body, and a wire ring is arranged on the top of the wire rack for the yarn to pass through the wire.

[0009] The lower parts of the pair of yarn positioning clamps are hingedly connected, a compression spring is arranged between the upper parts of the pair of yarn positioning clamps, a connecting pin is arranged on the connecting frame, and the top ends of the pair of yarn positioning clamps are provided with connecting ears extending inward, and the connecting ears are provided with movable holes, and the connecting pins are movably arranged in the movable holes.

[0010] The movable hole is a waist-shaped hole arranged transversely.

[0011] The lower inner sides of the pair of yarn positioning clamps are both provided with lugs, the pair of lugs are hingedly connected through a rotating shaft, and the conductor block is arranged inside a yarn positioning clamp and between the rotating shaft and the yarn clamping plate.

[0012] A guide hole is arranged in the conductor block, and the guide hole comprises a guide horizontal hole and a guide vertical hole which are connected to each other, and the guide vertical hole is arranged corresponding to the center of the yarn clamping plate.

[0013] A rubber strip is provided at the middle position of the yarn clamp corresponding to the vertical guide hole, and a bonding layer for pre-positioning the yarn is provided on the rubber strip.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The lifting chuck mechanism for yarn strength detection has a reasonable structural design, is clamped and positioned by the yarn clamping plate at the lower end of the yarn positioning chuck body, and the clamping position is ensured by the wire block. The yarn positioning operation is simple and convenient, which greatly improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following is a brief description of the contents and symbols in the drawings of this specification:

[0017] Figure 1 It is a schematic diagram of the mechanism structure of the present invention.

[0018] Figure 2 It is a partially enlarged schematic diagram of the present invention.

[0019] In the figure:

[0020] 1. Top plate of frame, 2. Lifting cylinder, 3. Lifting workbench, 4. Connecting frame, 5. Yarn positioning clamp body I, 6. Yarn positioning clamp body II, 7. Compression spring, 8. Yarn clamp plate, 9. Wire block, 901. Wire hole, 11. Wire rack, 12. Wire ring. DETAILED DESCRIPTION

[0021] The specific implementation modes of the present invention will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0022] like Figure 1 and Figure 2 As shown, the lifting chuck mechanism for yarn strength detection includes a frame top plate 1 and a lifting workbench 3 which is arranged above the frame top plate and can be lifted and lowered. The frame top plate is arranged on the frame at a certain height for easy operation.

[0023] A yarn positioning structure for positioning the upper end of the yarn is provided below the lifting workbench 3. The yarn positioning structure includes a connecting frame 4 and a pair of yarn positioning clamps. The connecting frame is fixed to the lower part of the lifting workbench. The pair of yarn positioning clamps are elastic clamps. The upper ends of the pair of yarn positioning clamps are movably arranged on the connecting frame. The lower ends of the pair of yarn positioning clamps are provided with a pair of yarn clamps 8 for clamping the yarn. The lower end of the yarn is fixed to the lower part of the frame, and the upper end of the yarn is clamped and positioned by a pair of yarn clamps.

[0024] A set of lifting cylinders 2 are arranged on the top plate of the frame, the lower part of the lifting workbench is connected to the upper ends of the piston rods of a set of lifting cylinders, and the top plate of the frame and a pair of yarn positioning clamps can be raised and lowered under the drive of the lifting cylinders to detect the yarn stretching.

[0025] A wire rack 11 is provided on the side of the top plate of the frame body, and a wire ring 12 for passing the yarn through the wire is provided on the top of the wire rack. The unwound yarn is introduced into the yarn clamping plate through the wire ring, and the operation is simple.

[0026] A pair of yarn positioning clamps are respectively a yarn positioning clamp Ⅰ5 and a yarn positioning clamp Ⅱ 6 which are arranged opposite to each other. The lower parts of the pair of yarn positioning clamps are hingedly connected, a compression spring 7 is arranged between the upper parts of the pair of yarn positioning clamps, a connecting pin is arranged on the connecting frame, and the top ends of the pair of yarn positioning clamps are provided with connecting ears extending inwards, and the connecting ears are provided with movable holes. The connecting pins are movably arranged in the movable holes. When positioning the yarn, the upper ends of the pair of yarn positioning clamps can be pressed inwards, and a pair of yarn clamps are opened to put the yarn in. After that, the yarn clamps are automatically clamped when the hands are released without applying pressure, thereby realizing the yarn clamping and positioning, and the operation is simple.

[0027] The connecting frame comprises a connecting rod and an ear fork arranged at the lower end of the connecting rod, the rotating shaft is arranged in the ear fork, and the movable hole is a waist-shaped hole arranged horizontally.

[0028] Lugs are arranged on the inner sides of the lower parts of a pair of yarn positioning clamps, and the lugs are hingedly connected through a rotating shaft. The wire block is arranged inside a yarn positioning clamp and between the rotating shaft and the yarn clamping plate, and the structure is compact.

[0029] A guide hole 901 is provided in the wire block 9, and the guide hole includes a connected guide horizontal hole and a guide vertical hole. The guide vertical hole is arranged corresponding to the center of the yarn clamp. The yarn passing through the wire ring passes through the guide horizontal hole and the guide vertical hole, and the vertical position of the yarn is positioned through the guide vertical hole, so as to ensure the clamping and positioning position of the upper end of the yarn.

[0030] A rubber strip is provided at the middle position of the yarn clamping plate 8 corresponding to the vertical guide hole, and an adhesive layer for pre-positioning the yarn is provided on the rubber strip, which is convenient for pre-positioning the yarn and facilitating the positioning of the yarn.

[0031] The lifting chuck mechanism for yarn strength detection of the present invention has a reasonable structural design, is clamped and positioned by a yarn clamping plate at the lower end of a yarn positioning chuck body, and the clamping position is ensured by a wire block, the yarn positioning operation is simple, and the detection efficiency is greatly improved.

[0032] The above is only an explanation of the preferred embodiments of the present invention, and the above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

[0033] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A lifting chuck mechanism for yarn strength testing, comprising a frame top plate and a lifting workbench disposed above the frame top plate and capable of being lifted and lowered, characterized in that: A yarn positioning structure for positioning the upper end of the yarn is provided below the lifting workbench, and the yarn positioning structure includes a connecting frame and a pair of yarn positioning clamps, the connecting frame is fixed to the lower part of the lifting workbench, the pair of yarn positioning clamps are elastic clamps, the upper ends of the pair of yarn positioning clamps are movably arranged on the connecting frame, and the lower ends of the pair of yarn positioning clamps are provided with a pair of yarn clamps for clamping the yarn; A wire rack is provided on the side of the top plate of the frame body, and a wire ring is provided on the top of the wire rack for the yarn to pass through the wire; the lower parts of the pair of yarn positioning clamps are hingedly connected, a compression spring is provided between the upper parts of the pair of yarn positioning clamps, a connecting pin is provided on the connecting frame, and the top ends of the pair of yarn positioning clamps are provided with connecting ears extending inwardly, and the connecting ears are provided with movable holes, and the connecting pins are movably arranged in the movable holes; the movable holes are waist-shaped holes arranged laterally; the inner sides of the lower parts of the pair of yarn positioning clamps are provided with lugs, and the pair of lugs are hingedly connected by a rotating shaft, and the wire block is arranged on the inner side of a yarn positioning clamp and is located between the rotating shaft and the yarn clamp.

2. The lifting chuck mechanism for yarn strength detection as claimed in claim 1, characterized in that: A group of lifting cylinders are arranged on the top plate of the frame, and the lower part of the lifting workbench is connected to the upper ends of the piston rods of the group of lifting cylinders.

3. The lifting chuck mechanism for yarn strength detection as claimed in claim 1, characterized in that: A guide hole is arranged in the conductor block, and the guide hole comprises a guide horizontal hole and a guide vertical hole which are connected to each other, and the guide vertical hole is arranged corresponding to the center of the yarn clamping plate.

4. The lifting chuck mechanism for yarn strength detection as claimed in claim 3, characterized in that: A rubber strip is provided at the middle position of the yarn clamp corresponding to the vertical guide hole, and a bonding layer for pre-positioning the yarn is provided on the rubber strip.

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