阅读说明：本技术 一种改进的捻股机放线重力式断保装置 (Improved paying-off gravity type breaking and protecting device of stranding machine ) 是由 左树华 殷建国 汤恒威 于 2019-12-27 设计创作，主要内容包括：本发明提出一种改进的捻股机放线重力式断保装置,包括面机放线台,与其固定的L型支架,L型支架的底端平板上固定有断保铜片固定板,其两端设有绝缘的尼龙固定销,断保铜片通过所述的尼龙固定销设置在断保铜片固定板上；L型支架的侧壁板上固定有限位横板,限位横板上设有多个限位槽,竖板插在限位槽内,竖板上设有轴承及轴承套,工作时轴承套直接置在单丝上。本发明的改进的捻股机放线重力式断保装置,单丝在竖板上的轴承套下面运行,一但断丝竖板会立刻沿着限位横板的矩形槽掉落,触碰到断保铜片并报警,能适应各种规格钢丝绳断丝及少丝的检测,精准度高,提高产品合格率,降低生产成本。(The invention provides an improved pay-off gravity type breaking and protecting device of a stranding machine, which comprises a pay-off table of a face machine and an L-shaped support fixed with the pay-off table, wherein a breaking and protecting copper sheet fixing plate is fixed on a bottom end flat plate of the L-shaped support, insulated nylon fixing pins are arranged at two ends of the L-shaped support, and a breaking and protecting copper sheet is arranged on the breaking and protecting copper sheet fixing plate through the nylon fixing pins; a limiting transverse plate is fixed on a side wall plate of the L-shaped support, a plurality of limiting grooves are formed in the limiting transverse plate, the vertical plate is inserted into the limiting grooves, a bearing and a bearing sleeve are arranged on the vertical plate, and the bearing sleeve is directly arranged on the monofilament during operation. According to the improved pay-off gravity type breaking and protecting device of the stranding machine, the monofilaments run below the bearing sleeves on the vertical plate, and once the broken filament vertical plate falls along the rectangular groove of the limiting transverse plate, the broken filament vertical plate touches the breaking and protecting copper sheet and gives an alarm, so that the breaking and protecting device can adapt to detection of broken filaments and few filaments of steel wire ropes of various specifications, the accuracy is high, the product percent of pass is improved, and the production cost is reduced.)

1. An improved pay-off gravity type breaking and protecting device of a stranding machine is characterized by comprising a pay-off table of a face machine, an L-shaped support, a breaking and protecting copper sheet fixing plate and an alarm, wherein the L-shaped support is arranged on the pay-off table and fixed with the pay-off table; the side wall plate of the L-shaped support is fixed with a limiting transverse plate, the limiting transverse plate is provided with a plurality of limiting grooves, the vertical plate is inserted into the limiting grooves, the vertical plate is provided with a bearing and a bearing sleeve, the bearing is directly installed in an installation hole in the vertical plate, the bearing sleeve is installed on the bearing, and the bearing sleeve is directly arranged on a monofilament during operation.

2. The improved pay-off gravity type breaking device of the stranding machine as claimed in claim 1, wherein two limiting transverse plates are provided, the position alignment is fixed with the L-shaped bracket, and the vertical plate is vertically inserted into the corresponding limiting grooves of the upper and lower limiting transverse plates.

3. An improved pay-off gravity type breaking device of a stranding machine as claimed in claim 1 or claim 2, wherein the limiting cross plate is provided with a plurality of rectangular grooves into which a plurality of risers are inserted.

4. The improved pay-off gravity type breaking device of the stranding machine as claimed in claim 1 or 2, wherein the limiting cross plate is provided with a plurality of rectangular grooves, and a plurality of risers are inserted into the rectangular grooves, and each riser corresponds to a steel wire of a steel cord.

5. An improved gravity type pay-off breaking device for a stranding machine as claimed in claim 1 or 2, wherein the L-shaped bracket is fixedly connected with the pay-off table of the face machine by welding or screwing.

6. The improved pay-off gravity type breaking and protecting device of the stranding machine as claimed in claim 1 or 2, wherein the breaking and protecting copper sheet fixing plate and the limiting transverse plate are fixedly connected with the L-shaped bracket by welding or screw fixation.

Technical Field

The invention relates to the technical field of steel cord production, in particular to an improved paying-off gravity type breaking protection device of a stranding machine.

Background

The steel cord is a thin steel wire strand or rope which is made of high-quality high-carbon steel, has brass plated on the surface and special purposes, and is mainly used for car tires, light truck tires, heavy truck tires, engineering machinery tires, airplane tires and other rubber product framework materials. The radial ply tire manufactured by adopting the steel cord as the reinforcing material has the advantages of long service life, high driving speed, puncture resistance, good elasticity, safety, comfort, fuel saving and the like.

The stranding machine is important equipment in steel cord production, the current stranding machine has the types of DTU, DTS, DTA and the like, and the broken filament protection device is a very important key part of the stranding machine in the steel cord production. The existing stranding machine tool is completely provided with an external traction wheel straight copper segment protection (broken wire protection) device, and mainly aims to prevent the generation of unqualified steel cords caused by broken wire inner packages and less wires, when the stranding of the conventional steel wire rope is used for producing certain products with special structure, such as steel cords of 1+5+10ST, 1+18ST and 1820NT specifications, the structural particularity of the products (formed by three layers of cords in one step) is easy to generate unqualified products with less wires, when the innermost core wire or the middle core wire generates broken wires, the existing external traction wheel straight copper segment protection is difficult to detect, so that the condition that the steel wire rope has less wires is generated in the production process, the product percent of pass is low, and the production cost is increased.

Disclosure of Invention

Aiming at the problems of the existing straight strip type copper fragment protection device of the external traction wheel of the stranding machine, the invention aims to provide the improved paying-off gravity type breaking protection device of the stranding machine, which has the advantages of simple structure, convenience in operation, high precision, improvement on the product qualification rate and reduction in production cost, and is suitable for the detection of broken steel wires and few steel wires of various specifications.

In order to achieve the purpose of the invention, the improved pay-off gravity type breaking and protecting device of the stranding machine comprises a pay-off table of a face machine, an L-shaped support, a breaking and protecting copper sheet fixing plate and an alarm, wherein the L-shaped support is arranged on the pay-off table and fixed with the pay-off table; the side wall plate of the L-shaped bracket is fixed with a limit transverse plate, the limit transverse plate is provided with a plurality of limit grooves, the vertical plate is inserted into the limit grooves, the vertical plate is provided with a bearing and a bearing sleeve, the bearing is directly arranged in a mounting hole on the vertical plate, the bearing sleeve is arranged on the bearing, and the bearing sleeve is directly arranged on the monofilament during operation.

Preferably, the two limiting transverse plates are arranged, the positions of the two limiting transverse plates are aligned and fixed with the L-shaped bracket, and the vertical plates are vertically inserted into the limiting grooves corresponding to the upper limiting transverse plate and the lower limiting transverse plate.

Preferably, the limiting transverse plate is provided with a plurality of rectangular grooves, and a plurality of vertical plates are inserted into the rectangular grooves.

Preferably, the limiting transverse plate is provided with a plurality of rectangular grooves, a plurality of vertical plates are inserted into the rectangular grooves, and each vertical plate corresponds to a steel wire of the steel cord.

Preferably, the L-shaped support and the noodle paying-off table are connected and fixed in a welding or screw fixing mode.

Preferably, the fracture protection copper sheet fixing plate, the limiting transverse plate and the L-shaped bracket are fixedly connected in a welding or screw fixing mode.

The invention has the advantages that the L-shaped bracket is arranged on the pay-off table of the noodle making machine, the limiting transverse plate and the break-protection copper sheet fixing plate are fixed on the L-shaped bracket, the break-protection copper sheet is arranged on the break-protection copper sheet fixing plate, and the monofilament runs under the bearing sleeve on the vertical plate. The device is simple in structure and convenient to operate, and once the broken filament vertical plate can fall along the rectangular groove of the limiting transverse plate at once, the broken filament vertical plate touches the broken protection copper sheet and gives an alarm. The device can be used for detecting broken steel wire ropes and few steel wire ropes of various specifications, has high precision, improves the product percent of pass and reduces the production cost.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings. Wherein:

fig. 1 is a schematic structural view of an improved pay-off gravity type breaker of a stranding machine according to an embodiment of the present invention;

fig. 2 is a partial schematic view of the improved stranding machine pay-off gravity disconnect apparatus of fig. 1.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1, a schematic structural diagram of an improved strand stranding machine pay-off gravity type breaking device according to an embodiment of the present invention is shown, where the breaking device includes a face machine pay-off table 8, an L-shaped bracket 9 fixed to the pay-off table 8, a breaking copper sheet fixing plate 10 fixed to a bottom end plate of the L-shaped bracket 9, two ends of the breaking copper sheet fixing plate are provided with insulating nylon fixing pins 7, a breaking copper sheet 6 is arranged on the breaking copper sheet fixing plate 10 through the nylon fixing pins 7, and the breaking copper sheet 6 is electrically connected to an alarm (not shown); a limiting transverse plate 5 is fixed on a side wall plate of the L-shaped support 9, a plurality of limiting grooves 51 are formed in the limiting transverse plate 5, and the vertical plate 2 is inserted into the limiting grooves 51, so that the vertical plate 2 can freely slide up and down in the grooves; referring to fig. 2, the vertical plate 2 is provided with a bearing 4 (such as a 625 bearing) and a bearing sleeve 3, the bearing 4 is directly installed in the installation hole on the vertical plate 2, the bearing sleeve 3 is installed on the bearing 4, and the bearing sleeve 3 is directly placed on the monofilament 1 during operation.

In a preferred embodiment, two limiting transverse plates 5 are arranged, the positions of the two limiting transverse plates are aligned and fixed with the L-shaped bracket 9, and the vertical plates 2 are vertically inserted into the limiting grooves 51 of the upper and lower limiting transverse plates 5; in another preferred embodiment, the horizontal position-limiting plate is provided with a plurality of rectangular grooves 51, and a plurality of vertical plates 2 are inserted into the rectangular grooves, wherein each vertical plate corresponds to a steel wire of a steel cord.

In another preferred embodiment, the limiting transverse plate is provided with a plurality of rectangular grooves 51, a plurality of vertical plates 2 are inserted into the rectangular grooves, and during actual work, the vertical plates 2 and the bearings 4 with corresponding numbers can be selected according to different specifications (different numbers of core wires) to perform wire breakage or less wire protection.

In another preferred embodiment, the L-shaped bracket 9 and the facer wire-laying platform 8 are connected and fixed by welding or screwing.

In another preferred embodiment, the fracture protection copper sheet fixing plate 10 and the limiting transverse plate 5 are fixedly connected with the L-shaped bracket 9 by welding or screw fixation.

The working principle of the improved pay-off gravity type breaking device of the stranding machine is that when a machine tool runs to twist a steel cord, a bearing sleeve 3 loses the support of a steel wire, and a vertical plate 2 falls off due to gravity and touches a breaking protection copper sheet 6 below the bearing sleeve, so that an alarm signal is triggered, and the machine tool stops; restarting the machine table to continue twisting work after the working personnel connects the broken filaments; the instant broken wire protection can be carried out aiming at each steel wire twisted by the steel cord. According to the verification of the actual application effect, after the improved force type breaking and protecting device is applied, the unqualified fewer wires are reduced by more than 85 percent compared with the prior art, and the qualification rate of products is obviously improved.

The improved pay-off gravity type breaking and protecting device of the stranding machine is characterized in that an L-shaped support is arranged on a pay-off table of a face machine, a limiting transverse plate and a breaking and protecting copper sheet fixing plate are fixed on the L-shaped support, a breaking and protecting copper sheet is arranged on the breaking and protecting copper sheet fixing plate, and a monofilament runs under a bearing sleeve on a vertical plate. This simple structure, convenient operation, once disconnected silk riser can drop along the rectangular channel of spacing diaphragm at once, touches disconnected guarantor copper sheet and reports to the police. The device can be used for detecting broken steel wire ropes and few steel wire ropes of various specifications, has high precision, improves the product percent of pass and reduces the production cost.

The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.