Encoder cable for automation equipment

Abstract

The utility model discloses an encoder cable for automation equipment, which comprises twisted wire groups, a filling wire, a coating layer and an outer sheath, each twisted wire group comprises two core wires, the two core wires are twisted at a time, the number of the twisted wire groups is multiple, the multiple twisted wire groups are twisted at a second time by taking the filling wire as a center, and the filling wire is arranged at the center of the outer sheath. The filling wires are cotton threads, the wrapping layer wraps the multiple twisted wire sets together, and the outer sheath is extruded on the outer surface of the wrapping layer. According to the utility model, the anti-dragging strength can be improved, the occurrence of cable breakage is reduced, and the dragging service life of the cable is prolonged.

Description

Technical Field

[0001] This utility model relates to the technical field of cables, and in particular to an encoder cable for automated equipment. Background Technology

[0002] Encoders are increasingly used in the motion mechanisms of existing automated equipment. Encoders are used to convert angular or linear displacement into electrical signals, which can improve the accuracy of the mechanical motion of the equipment.

[0003] Typically, encoders are equipped with cables that transmit the encoder's electrical signals. Consequently, the cables also reciprocate along with the motion mechanism of the automated equipment. However, existing cables are prone to breakage and damage due to prolonged reciprocating dragging, resulting in a short cable lifespan and affecting the normal operation of the equipment. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an encoder cable for automated equipment that can improve tensile strength, reduce cable breakage, and thus increase the cable's tensile life.

[0005] An encoder cable for automated equipment according to an embodiment of the present invention includes a stranded wire group, a filler wire, a sheath, and an outer sheath. The stranded wire group includes two core wires, which are stranded together once. Multiple stranded wire groups are provided, and multiple stranded wire groups are stranded together a second time around the filler wire. The filler wire is cotton thread. The sheath covers multiple stranded wire groups together, and the outer sheath is extruded from the outer surface of the sheath.

[0006] An encoder cable for automated equipment according to an embodiment of the present invention has at least the following beneficial effects:

[0007] This invention utilizes a twisted wire group system. Two core wires are twisted together in one step to form a twisted wire group. Then, multiple twisted wire groups are twisted together a second time. The untwisting twisting process can release the stress of the core wires, reducing the likelihood of breakage during cable dragging. Furthermore, by adding filler wires (cotton thread) between multiple twisted wire groups, the overall tensile strength of the cable can be improved, enabling the cable to achieve a drag chain life of 10 million cycles, thereby increasing the cable's dragging life.

[0008] According to an embodiment of the present invention, an encoder cable for automated equipment includes a core wire comprising a conductor and an insulation layer, wherein the insulation layer is sleeved on the outer surface of the conductor.

[0009] According to an embodiment of the present invention, an encoder cable for automated equipment has an insulation layer made of high-strength semi-rigid PVC material.

[0010] According to an embodiment of the present invention, an encoder cable for automated equipment is provided, wherein the sheathing layer is a thin non-woven fabric, and the overlap rate of the thin non-woven fabric sheathing is 25%.

[0011] According to an embodiment of the present invention, in an encoder cable for automated equipment, the twist pitch of the two core wires in the stranded wire group is 6-8 times the outer diameter of the stranded wire group.

[0012] According to an embodiment of the present invention, in an encoder cable for automated equipment, the twist pitch of the plurality of stranded wire groups is 12-16 times the outer diameter of the stranded wire groups.

[0013] According to an embodiment of the present invention, an encoder cable for automated equipment is provided, wherein the outer sheath is extruded from the surface of the covering layer using a semi-extrusion process, and an movable gap is formed between the outer sheath and the covering layer.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of an encoder cable for an automated device according to an embodiment of the present invention;

[0017] Figure 2 for Figure 1 This diagram illustrates the structure of a stranded wire assembly in an encoder cable for automated equipment.

[0018] Figure reference numerals: 100-stranded wire group, 110-filler wire, 120-coating layer, 130-outer sheath, 140-core wire, 150-conductor, 160-insulation layer, 170-gap. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0020] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] An encoder cable for automated equipment according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0024] Reference Figure 1 and Figure 2 The present invention aims to provide an embodiment of an encoder cable for automated equipment.

[0025] An encoder cable for automated equipment according to an embodiment of the present invention includes a stranded wire group 100, a filler wire 110, a sheathing layer 120, and an outer sheath 130. The stranded wire group 100 includes two core wires 140, which are stranded together once. Multiple stranded wire groups 100 are provided, and multiple stranded wire groups 100 are stranded together twice with the filler wire 110 as the center. The filler wire 110 is cotton thread. The sheathing layer 120 covers multiple stranded wire groups 100 together, and the outer sheath 130 is extruded on the outer surface of the sheathing layer 120.

[0026] This invention uses a twisted wire group 100 to twist two core wires 140 together in one step to form a twisted wire group 100. Then, multiple twisted wire groups 100 are twisted together a second time. The stress of the core wires 140 can be released by the untwisting twisting process, reducing the possibility of cable breakage during cable dragging. Furthermore, by setting a filler wire 110 between multiple twisted wire groups 100, the overall tensile strength of the cable can be improved, enabling the cable to achieve a drag chain life of 10 million cycles, thereby improving the cable's dragging life.

[0027] In some embodiments of this utility model, the core wire 140 includes a conductor 150 and an insulating layer 160, with the insulating layer 160 sleeved on the outer surface of the conductor 150.

[0028] In a further embodiment of this utility model, the insulating layer 160 is a high-strength semi-rigid PVC material.

[0029] Specifically, the conductor 150 has a diameter of 0.08 mm. The conductor 150 has a relatively thin wire diameter. Using high-strength semi-rigid PVC material as the insulation layer 160 is beneficial to improving the strength of the core wire 140 and reducing the possibility of core wire 140 breaking. By using the insulation layer 160, insulation between the core wires 140 can be achieved.

[0030] In some embodiments of this utility model, the covering layer 120 is a thin non-woven fabric, and the overlap rate of the thin non-woven fabric covering is 25%.

[0031] Therefore, after the stranded wire assembly 100 is stranded a second time, it can be wrapped with a thin non-woven fabric to prevent the stranded wire assembly 100 from becoming loose, which is conducive to the extrusion of the outer sheath 130.

[0032] In some embodiments of this utility model, the twist pitch of the two core wires 140 in the stranded wire group 100 is 6-8 times the outer diameter of the stranded wire group 100.

[0033] It should be noted that the two core wires 140 are twisted together using a stranding machine through a de-twisting stranding process to release the stress on the core wires 140.

[0034] In some embodiments of this utility model, the twist pitch of the plurality of stranded wire groups 100 is 12-16 times the outer diameter of the stranding of the plurality of stranded wire groups 100.

[0035] It should be noted that multiple stranded wire groups 100 can be stranded using a cage stranding machine.

[0036] In some embodiments of this utility model, the outer sheath 130 is extruded from the surface of the covering layer 120 using a semi-extrusion process, forming an movable gap 170 between the outer sheath 130 and the covering layer 120.

[0037] Therefore, the stranded wire assembly 100 has a movable gap 170 inside the outer sheath 130, which makes the core wire 140 less likely to break during cable dragging and bending, thus improving the service life of the cable.

[0038] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0039] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An encoder cable for automated equipment, characterized in that, The system includes stranded wire assemblies (100), filler wires (110), a sheathing layer (120), and an outer sheath (130). Each stranded wire assembly (100) includes two core wires (140) twisted together once. Multiple stranded wire assemblies (100) are arranged, and multiple stranded wire assemblies (100) are twisted together a second time around the filler wire (110). The filler wire (110) is cotton thread. The sheathing layer (120) covers multiple stranded wire assemblies (100) together. The outer sheath (130) is extruded from the outer surface of the sheathing layer (120). Each core wire (140) includes a conductor (150). The conductor (150) and the insulation layer (160) are sleeved on the outer surface of the conductor (150). The insulation layer (160) is made of high-strength semi-rigid PVC material. The pitch of the two core wires (140) in the stranded wire group (100) is 6-8 times the outer diameter of the stranded wire group (100). The pitch of the multiple stranded wire groups (100) is 12-16 times the stranded outer diameter of the multiple stranded wire groups (100). The outer sheath (130) is extruded from the surface of the covering layer (120) by a semi-extrusion process. An active gap (170) is formed between the outer sheath (130) and the covering layer (120).

2. The encoder cable for automated equipment according to claim 1, characterized in that, The covering layer (120) is a thin nonwoven fabric, and the overlap rate of the thin nonwoven fabric covering is 25%.

Images