A rotary support mechanism for a bowstring device

Abstract

The application discloses a rotating supporting mechanism of a bow-shaped stranding equipment, relates to the technical field of stranding machines, and comprises rotating supporting seats which are fixedly installed on a supporting bottom plate in two groups; one of the rotating supporting seats is provided with a rotating shaft which is rotatably installed thereon; the other rotating supporting seat is provided with a supporting shaft which is rotatably installed thereon; the rotating shaft is fixedly provided with a pay-off side plate; the rotating supporting seat comprises a supporting base; the supporting base is provided with bearing supports one and two which are arranged side by side at the upper end of the supporting base; the rotating shaft is installed on the bearing supports one and two through a bearing set; the bearing supports one and two are fixedly provided with bearing cover seats which are used for locking the bearing set; and the bearing set is provided with a bearing cover between the bearing supports and the bearing cover seats. The bearing combination structure solves the problem of bidirectional slight swing of the stranding bow rotating shaft during high-speed operation, and improves the stability of the equipment during high-speed operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stranding machines, in particular to a rotating support mechanism of an arch-shaped stranding device. BACKGROUND

[0002] A stranding machine is an automatic device used in the manufacture of wires and cables, which is used to twist multiple thin wires or cables together in a rotating manner to form twisted bundles. In order to improve the mechanical and electrical performance of wires and cables, several single wires can be twisted together by a stranding device in a certain direction and according to certain rules to form a stranded wire bundle. The stranded wire bundle is an expansion and enlargement of single wires, and it can also be a combination of multiple stranding layers.

[0003] The arch-shaped stranding machine commonly used in the cable manufacturing industry is generally composed of special equipment for paying off, stranding, traction and taking up. Stranding is the key link. The arch-shaped stranding device for two cables is provided with a paying-off disc on the inside and outside of the arch, respectively. The two cables on the inside and outside of the arch are stranded in a passive paying-off mode. The arch-shaped stranding machine has the advantage of high-speed rotation compared to the traditional stranding machine, which can improve the stranding efficiency. However, high-speed rotation can cause the rotating support shaft to swing in both directions, affecting the stability of the device during operation. SUMMARY

[0004] The purpose of the present application is to provide a rotating support mechanism of an arch-shaped stranding device, which solves the technical problem of high-speed rotation causing the rotating support shaft to swing in both directions.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A rotating support mechanism of an arch-shaped stranding device, comprising a driving base for mounting a driving assembly for providing driving force to the stranding; a support base provided with two groups and fixedly installed at both ends of the driving base, the support base being connected to the driving base through an inclined reinforcing frame; a rotating support seat provided with two groups fixedly installed on the support base; and one of the rotating support seats is rotatably installed with a rotating shaft; the other rotating support seat is rotatably installed with a support shaft, the rotating shaft is fixedly installed with a paying-off side plate; the rotating support seat comprises a support base, the support base is provided with a bearing seat one and a bearing seat two side by side at the upper end, the rotating shaft is installed on the bearing seat one and the bearing seat two through a bearing set, and the bearing seat one and the bearing seat two are fixedly installed with a bearing cover seat for locking the bearing set; the bearing set is provided with a bearing cover between the bearing seat and the bearing cover seat.

[0007] As a further scheme of the present application: the rotating shaft is fixedly provided with a guide wheel support, the guide wheel support is rotatably installed with a wire paying guide wheel, and the rotating shaft is provided with a guide wheel groove for accommodating part of the wire paying guide wheel.

[0008] As a further scheme of the present application: the rotating shaft is provided with a central shaft hole, the central shaft hole is tangent to the bottom of the guide wheel groove, the rotating shaft is provided with a wire shaft hole, the wire shaft hole is tangent to the wire groove and communicates with the central shaft hole.

[0009] As a further scheme of the present application: the bearing set comprises a tapered roller bearing installed on bearing support one and a cylindrical roller bearing installed on bearing support two.

[0010] As a further scheme of the present application: the bearing set further comprises a one-way thrust ball bearing, the outer ring of the one-way thrust ball bearing is connected with bearing support one, and the inner ring of the one-way thrust ball bearing is connected with the rotating shaft.

[0011] As a further scheme of the present application: the bearing cover seat is installed with a thermocouple for detecting the temperature of the bearing and an oiling interface for adding lubricant to the bearing set, and the support base is installed with an oil pump for supplying oil to the bearing.

[0012] As a further scheme of the present application: the bearing cover comprises a shaft cover installed on the rotating shaft, and the shaft cover is threadedly connected with a bearing cover on the outer periphery.

[0013] The present application has the following beneficial effects:

[0014] (1) The one-way thrust ball bearing improves the axial positioning accuracy, the tapered roller bearing ensures the axial tension generated when the twisted bow rotates at high speed, and the cylindrical roller bearing at the free end provides large radial bearing. The use of this bearing combination structure solves the problem of bidirectional slight swing of the twisted bow rotating shaft during high-speed operation, and improves the stability of the equipment during high-speed operation.

[0015] (2) The bearing set is provided with a thermocouple for temperature detection, and the bearing temperature rise is detected in real time during operation. The bearing adopts centralized lubrication device, and the grease can be supplied regularly and quantitatively during operation and maintenance of the equipment, so as to ensure the lubrication and cooling effect of the bearing. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below with reference to the drawings.

[0017] Figure 1 is a schematic view of the overall installation structure of the present application;

[0018] Figure 2 is a schematic view of the rotating support seat of the present application;

[0019] Figure 3 is a schematic view of a cross-sectional structure of the rotating support seat of the present application;

[0020] Figure 4 is a schematic view of an enlarged structure at A in the present application. Figure 3

[0021] In the figure: 1, drive base; 2, support base plate; 3, reinforcing frame; 4, drive mechanism; 5, rotating support seat; 51, support base; 52, bearing support one; 53, bearing support two; 54, bearing cover seat; 541, thermocouple; 542, oil filling interface; 55, cylindrical roller bearing; 56, tapered roller bearing; 57, one-way thrust ball bearing; 58, oil pump; 59, bearing cover; 591, shaft cover; 592, bearing cover; 593, outer cover end cap; 6, wire frame body; 7, winding bow; 8, take-up side plate; 9, pay-off side plate; 91, frame body connecting seat; 92, winding bow connecting seat; 10, winding motor; 11, wire reel seat; 12, rotating shaft; 121, guide pulley support; 122, central shaft hole; 123, wire shaft hole; 13, pay-off guide pulley; 14, pay-off guide box; 15, support shaft; 16, tension disc; 17, tension controller; 18, upper disc mechanism; 19, wire guide pulley one; 20, wire guide pulley two; 21, wire guide pulley three; 22, wire guide pulley four; 23, wire arranging mechanism; 24, pay-off turntable; 25, wire reel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0023] Please refer to Figures 1-4 the present application is a rotating support mechanism of an arc-shaped winding device. The arc-shaped winding device comprises a drive base 1, a drive assembly 4 installed on the drive base 1, the drive assembly 4 being used to provide driving force to winding wire; a support base plate 2, which is provided with two groups and is fixedly installed at both ends of the drive base 1, the support base plate 2 being connected with the drive base 1 through an obliquely arranged reinforcing frame 3; a rotating support seat 5, which is provided with two groups and is fixedly installed on the support base plate 2; and one group of the rotating support seat 5 is rotatably installed with a rotating shaft 12, and the other group of the rotating support seat 5 is rotatably installed with a support shaft 15, the rotating shaft 12 being fixedly installed with a pay-off side plate 9.

[0024] ​By setting a rotating support base 5 to support the rotating shaft 12 and the support shaft 15, the stability of the installation of the rotating shaft 12 and the support shaft 15 is ensured. The setting of the rotating support base 5 also ensures the stability of the installation of the stranding frame 6 and the stranding bow 7, improves the overall structural stability of the entire bow-shaped stranding equipment, and ensures the stability of the stranding process of the conductor.

[0025] The stranding frame 6 is disposed between two sets of rotating support seats 5, and one end of the stranding frame 6 is fixedly connected to the rotating shaft, and the other end is fixedly connected to the support shaft 15; the stranding frame 6 is equipped with a guide wheel assembly for guiding the conductor; the conductor is guided by the guide wheel assembly to ensure that the conductor is accurately guided into the coil for winding.

[0026] The bow 7 is fixedly installed above the stranding frame 6 and is used to guide the conductor;

[0027] Specifically, the bow 7 has an arch-shaped structure, with one end fixedly connected to the take-up side plate 8 and the other end fixedly connected to the pay-off side plate 9. The take-up side plate 8 and the pay-off side plate 9 are equipped with a frame connection 91 for connecting to the stranding frame 6, and the take-up side plate 8 and the pay-off side plate 9 are fixedly equipped with a bow connection seat 92 for installing the bow 7.

[0028] The wire reel holder 11 has two sets and is rotatably mounted on the strand frame 6, which is used to install the wire reel 25.

[0029] Specifically, a winding motor 10 is installed on the stranding frame 6. The output end of the winding motor 10 is connected to a wire reel shaft, which is connected to a wire reel base 11. The wire reel base 11 drives the wire reel 25 to rotate, thereby taking in the wire.

[0030] The drive base 1 is equipped with an upper plate mechanism 18 in the middle, which is used to feed the wire reel into the wire reel seat 11.

[0031] The upper mechanism 18 is connected to the drive base 1, which enables quick upper and lowering operations on the wire reel 25, effectively improving the efficiency of conductor strand processing. The wire reel 25 can be transported to the upper mechanism 18 by an AGV trolley, and strand processing can be completed without the need for other additional equipment.

[0032] Specifically, the upper plate mechanism 18, the drive base 1, and the support base plate 2 are integrated together, making the entire stranding equipment compact and highly integrated. It fully integrates the different functions of stranding and can complete the processing requirements of conductor stranding without the need for additional equipment.

[0033] The wire-drawing rotating shaft is fixedly installed with a wire-drawing side plate 9 on the side close to the wire-drawing frame body 6, and the supporting shaft 15 is fixedly installed with a wire-rewinding side plate 8 on the side close to the wire-drawing frame body 6.

[0034] The wire-drawing rotating shaft and the supporting shaft 15 are fixedly installed with a tension disc 16 on the side away from the wire-drawing frame body 6.

[0035] The rotating speed of the wire-drawing rotating shaft and the supporting shaft 15 is controlled by the tension controller 17, so as to ensure the accurate control of the conductor wire and improve the synchronism of the rotation of the supporting shaft 15 and the wire-drawing rotating shaft.

[0036] The wire-drawing rotating shaft is fixedly installed with a wire-drawing rotating support 5, and the wire-drawing rotating shaft 12 is rotatably installed with a wire-drawing guide wheel 13 radially perpendicular to the direction shaft.

[0037] The wire passes through the wire-drawing guide box 14 into the wire-drawing guide wheel 13, is guided by the wire-drawing guide wheel 13 into the wire-drawing rotating disc 24, and then enters the wire-drawing bow 7 through the wire-drawing rotating disc 24, enters another wire guide assembly after being guided by the wire-drawing bow 7, and finally is guided by the wire guide assembly and is rewound into the wire reel 25 by the wire arranging mechanism 23.

[0038] The wire guide assembly comprises a wire guide wheel one 19 rotatably installed on the wire-rewinding side plate 8 and wire guide wheels two 20, three 21 and four 22 rotatably installed on the wire-drawing frame body 6.

[0039] The wire-drawing frame body 6 is installed with a wire arranging mechanism 23, and the wire arranging mechanism 23 arranges the wire rewound into the wire reel 25.

[0040] Specifically, the wire guide wheel one 19 is used for leading out the wire on the wire-drawing bow 7 and guiding the wire into the wire guide wheel two 20 through the guiding action of the wire guide wheel one 19; the wire guide wheel two 20 is an inclined-angle wire guide wheel, which guides the wire led out from the wire guide wheel one 19 into the wire guide wheel three 21; the wire guide wheel three 21 guides the wire into the wire guide wheel four 22, and the wire is led into the wire guide wheel three 21 again through the wire guide wheel four 22; after being guided by the wire guide wheels three 21 and four 22, the wire is rewound into the wire reel 25 in sequence under the action of the wire arranging mechanism 23; the wire is stably and orderly rewound into the wire reel 25 by the wire arranging mechanism 23, and the rewinding quality of the wire is ensured.

[0041] The rotating support base 5 comprises a support base 51, the upper end of which is provided with bearing support one 52 and bearing support two 53 side by side, the rotating shaft 12 is installed on the bearing support one 52 and the bearing support two 53 through a bearing set, and the bearing support one 52 and the bearing support two 53 are fixedly provided with a bearing cover seat 54 for locking the bearing set; the bearing set is provided with a bearing cover 59 between the bearing support and the bearing cover seat 54.

[0042] The rotating shaft 12 is fixedly provided with a guide wheel support 121, the wire guide wheel 13 is rotatably installed on the guide wheel support 121, and the rotating shaft 12 is provided with a guide wheel groove for accommodating part of the wire guide wheel 13.

[0043] The rotating shaft 12 is provided with a center shaft hole 122 which is tangent to the bottom of the guide wheel groove, and is provided with a wire shaft hole 123 which is tangent to the wire groove and communicates with the center shaft hole 122.

[0044] The bearing set comprises a tapered roller bearing 56 installed on the bearing support one 52 and a cylindrical roller bearing 55 installed on the bearing support two 53.

[0045] The bearing set further comprises a one-way thrust ball bearing 57, the outer ring of which is connected with the bearing support one 52, and the inner ring of which is connected with the rotating shaft 12.

[0046] Specifically, the one-way thrust ball bearing 57 improves the axial positioning accuracy, the tapered roller bearing 56 ensures the axial tension generated when the twisted bow rotates at high speed, and the cylindrical roller bearing 55 at the free end provides large radial load. Using this combined structure, the problem of bidirectional slight swing of the twisted bow rotating shaft 12 during high-speed operation is solved, and the stability of the equipment during high-speed operation is improved.

[0047] The bearing cover seat 54 is provided with a thermocouple 541 for detecting the temperature of the bearing and an oil inlet 542 for adding lubricating oil to the bearing set, and the support base 51 is provided with an oil pump for supplying oil to the bearing.

[0048] The bearing set is provided with a thermocouple 541 for temperature detection, which detects the bearing temperature rise in real time during operation. The bearing adopts centralized lubrication device, which can supply oil in a fixed amount during operation and maintenance of the equipment, to ensure the lubrication and cooling effect of the bearing.

[0049] The bearing cover 59 comprises a shaft cover 591 mounted on the rotating shaft 12, and a bearing cover 592 threadedly connected to the outer periphery of the shaft cover 591, wherein the shaft cover 591 is used to clamp the inner ring of the bearing and the rotating shaft 12, to ensure the stability of the mounting between the inner ring of the bearing and the rotating shaft 12, and the bearing cover 592 is used to clamp the outer ring of the bearing and the rotating support base 5, thereby effectively improving the stability of the bearing mounting.

[0050] Further, the outer periphery of the rotating shaft 12 is provided with an outer sealing end cover 593, which limits the shaft cover 591, to ensure the stability of the bearing assembly mounting.

[0051] The above has described one embodiment of the present application in detail, but the content is only the preferred embodiment of the present application, and cannot be considered to limit the implementation range of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage range of the present application.

Claims

1. A rotating support mechanism for a bow-shaped stranded wire device, comprising a drive base (1) for mounting a drive assembly (4) for providing driving force to the stranded wire; a support base plate (2) having two sets respectively fixedly mounted at both ends of the drive base (1), the support base plate (2) being connected to the drive base (1) via an inclined reinforcing frame (3); a rotating support seat (5) having two sets respectively fixedly mounted on the support base plate (2); and a rotating shaft (12) rotatably mounted on one set of rotating support seats (5); a support shaft (15) rotatably mounted on the other set of rotating support seats (5), and a wire feeding side plate (9) fixedly mounted on the rotating shaft (12); characterized in that, The rotating support (5) includes a support base (51), on which a bearing support one (52) and a bearing support two (53) are arranged side by side. The rotating shaft (12) is mounted on the bearing support one (52) and the bearing support two (53) through a bearing assembly. A bearing cover (54) for locking the bearing assembly is fixedly installed on the bearing support one (52) and the bearing support two (53). A bearing cover (59) is provided between the bearing assembly and the bearing support and the bearing cover (54). The bearing assembly includes a tapered roller bearing (56) mounted on the bearing support one (52) and a cylindrical roller bearing (55) mounted on the bearing support two (53). The bearing assembly also includes a one-way thrust ball bearing (57). The outer ring of the one-way thrust ball bearing (57) is connected to the bearing support one (52), and the inner ring of the one-way thrust ball bearing (57) is connected to the rotating shaft (12).

2. The rotating support mechanism of the bow-shaped stranded wire device according to claim 1, characterized in that, A guide wheel support (121) is fixedly provided on the rotating shaft (12), and a wire feeding guide wheel (13) is rotatably installed on the guide wheel support (121). A guide wheel groove for accommodating part of the wire feeding guide wheel (13) is provided on the rotating shaft (12).

3. The rotating support mechanism of the bow-shaped stranded wire device according to claim 2, characterized in that, The rotating shaft (12) is provided with a central shaft hole (122), which is tangent to the bottom of the guide wheel groove. The rotating shaft (12) is provided with a wire shaft hole (123), which is tangent to the wire groove and connected to the central shaft hole (122).

4. The rotating support mechanism of the bow-shaped stranded wire device according to claim 1, characterized in that, The bearing cover (54) is equipped with a thermocouple (541) for detecting bearing temperature and an oiling port (542) for adding lubricant to the bearing assembly. The support base (51) is equipped with an oil pump for supplying oil to the bearing.

5. The rotating support mechanism of the bow-shaped stranded wire device according to claim 1, characterized in that, The bearing cover (59) includes a shaft cover (591) mounted on the rotating shaft (12), and the outer circumference of the shaft cover (591) is threaded with a bearing cover (592).

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