Wear-resistant sizing jig

Abstract

The utility model discloses a wear-resistant sizing jig which comprises a jig body and a wear-resistant layer, and the wear-resistant layer is arranged on the surface of the jig body. The jig body is provided with a first sizing part and a second sizing part, the first sizing part is arranged in the center of the jig body, and the second sizing part is arranged on the adjacent side of the first sizing part; the wear-resistant layer comprises a first wrapping part and a second wrapping part, the first wrapping part is correspondingly matched with the first fixed diameter part, and the first wrapping part wraps the inner surface of the first fixed diameter part; the second coating part is correspondingly matched with the second sizing part, and the inner surface of the second sizing part is coated with the second coating part. According to the wear-resistant sizing jig, the surface of the jig main body is strengthened through the wear-resistant layer to obtain wear resistance, so that the wear of the wear-resistant sizing jig in the practical application process is effectively reduced to prolong the service life, the replacement frequency of the jig is reduced, the quality control difficulty of products is reduced, and the yield of the products is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable sizing fixture technical field, especially a kind of wear-resistant sizing fixture. BACKGROUND

[0002] The sizing fixture (also known as sizing die, sizing device or sizer) in cable production is a device used to control and adjust the outer diameter size of the cable. In the cable manufacturing process, the main function of the sizing fixture is to ensure that the cable can maintain a stable and consistent outer diameter size after coating the insulation layer or sheath layer, to meet the specification requirements. The sizing fixture is usually installed after the coating or forming process of the cable production line, and its working principle is to guide and press the cable through precise molds or rollers, to help size the outer diameter of the cable, prevent the outer diameter from being too large or too small, and ensure the quality of the cable. The design of the sizing fixture can be adjusted according to different types and production processes of the cable, such as different diameters, different materials (such as polyethylene, polyvinyl chloride, etc.) and different purposes of the cable, the design and configuration of the sizing fixture will also be different.

[0003] In the prior art, the sizing fixture often appears wear phenomenon due to friction during use, which reduces the service life and precision of the fixture. Specifically, the material and structure of the current sizing fixture have certain deficiencies in wear resistance, which causes low service life, easy wear, frequent replacement and difficult product quality control of the sizing fixture, which seriously affects the product yield, and a new sizing fixture structure is needed to improve the wear resistance of the fixture. SUMMARY

[0004] Therefore, it is necessary to provide a wear-resistant sizing fixture to solve the technical problem of insufficient wear resistance of the existing sizing fixture.

[0005] A wear-resistant sizing fixture, the wear-resistant sizing fixture includes a fixture body and a wear-resistant layer, the wear-resistant layer is arranged on the surface of the fixture body to enhance the wear resistance of the surface of the fixture body.

[0006] The fixture body is provided with a first sizing part and a second sizing part, the first sizing part is arranged at the center part of the fixture body, and the second sizing part is arranged at the adjacent side of the first sizing part, wherein the first sizing part is used for sizing the middle wire in the cable, and the second sizing part is used for sizing the edge wire in the cable.

[0007] The wear-resistant layer comprises a first cladding part and a second cladding part. The first cladding part is matched with the first sizing part, and the first cladding part clads the inner surface of the first sizing part. When the middle wire in the cable is sized by the first sizing part, the wire contacts the surface of the first cladding part and passes through. The second cladding part is matched with the second sizing part, and the second cladding part clads the inner surface of the second sizing part. When the edge wire in the cable is sized by the second sizing part, the wire contacts the surface of the second cladding part and passes through.

[0008] In one of the embodiments, the jig body is in a columnar structure, and the jig body extends along the axial direction by a preset distance.

[0009] In one of the embodiments, the first sizing part is arranged at the center of the jig body along the axial direction of the jig body.

[0010] In one of the embodiments, the second sizing part is arranged at the edge of the jig body along the axial direction of the jig body.

[0011] In one of the embodiments, the first sizing part is in a columnar hole structure, and the first sizing part extends through the jig body from one end of the jig body to the other end of the jig body to form a sizing channel for the center wire of the cable.

[0012] In one of the embodiments, the second sizing part is in a columnar hole structure, and the second sizing part extends through the jig body from one end of the jig body to the other end of the jig body to form a sizing channel for the edge wire of the cable.

[0013] In one of the embodiments, the first sizing part is a core wire sizing channel to size the core wire of the cable.

[0014] In one of the embodiments, the second sizing part is a ground wire sizing channel to size the ground wire of the cable.

[0015] In one of the embodiments, the second sizing part can be at least one, so that in actual application, one ground wire or multiple ground wires of the cable can be sized.

[0016] In one of the embodiments, the second sizing part is two, and the two second sizing parts are arranged on the two sides of the first sizing part.

[0017] In one of the embodiments, the wear-resistant layer further comprises a third cladding part, the third cladding part clads the outer surface of the jig body, and the third cladding part is connected to the first cladding part and the second cladding part from the two ends of the jig body, so as to form a complete and closed wear-resistant layer.

[0018] In one of the factual examples, the jig body is made of graphene material.

[0019] In one of the factual examples, the wear-resistant layer is made of PTFE material.

[0020] In one of the factual examples, the wear-resistant layer is made of PTFE tape with a thickness of 0.2mm.

[0021] In summary, the wear-resistant sizing jig disclosed by the utility model has the wear-resistant layer to strengthen the surface of the jig body, thereby effectively reducing the wear of the wear-resistant sizing jig in the actual application process, prolonging the service life, reducing the replacement frequency of the jig, reducing the quality control difficulty of the product, and further improving the product yield. Specifically, the first sizing part of the jig body is used for the sizing work of the middle wire in the cable, and the second sizing part is used for the sizing work of the edge part wire in the cable; based on this, the first covering part of the wear-resistant layer is covered on the inner surface of the first sizing part, so that when the middle wire in the cable passes through the first sizing part for sizing, the wire contacts and passes through the surface of the first covering part, in the process, the first sizing part provides stable support and limiting for the corresponding wire, and the first covering part separates the wire from the first sizing part to avoid wear of the inner wall of the first sizing part when the wire passes through; the second covering part is covered on the inner surface of the second sizing part, so that when the edge part wire in the cable passes through the second sizing part for sizing, the wire contacts and passes through the surface of the second covering part, in the process, the second sizing part provides stable support and limiting for the corresponding wire, and the second covering part separates the wire from the second sizing part to avoid wear of the inner wall of the second sizing part when the wire passes through. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the wear-resistant sizing jig in one embodiment;

[0023] Figure 2 It is a structural schematic view of the wear-resistant sizing jig in one embodiment;

[0024] Figure 3 It is Figure 2 It is a cross-sectional structure isometric view of the A-A part in the embodiment shown. DETAILED DESCRIPTION

[0025] In order to make the above object, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners without departing from the spirit of the present application. Those skilled in the art will appreciate the scope of the present application and can make similar modifications without departing from the spirit of the present application. Therefore, the present application is not limited by the embodiments disclosed below.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0028] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be the first and second features directly contact, or the first and second features indirectly contact through intermediate media. Moreover, the first feature "on", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or just indicate that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or just indicate that the first feature is lower than the second feature in horizontal height.

[0030] It should be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0031] Please refer to Figures 1 to 3The utility model discloses a kind of wear-resistant sizing fixtures 10, the wear-resistant sizing fixture 10 includes fixture main body 100 and wear-resistant layer 200, wear-resistant layer 200 is set to the surface of fixture main body 100, to strengthen the wear-resistant performance of the surface of fixture main body 100, to effectively reduce the wear of the wear-resistant sizing fixture 10 of the utility model in actual application process to prolong service life, reduce the replacement frequency of fixture, reduce the quality control difficulty of product, to further improve product yield. Specifically, fixture main body 100 is provided with first sizing part 110 and second sizing part 120, first sizing part 110 is set to the central part of fixture main body 100, and second sizing part 120 is set to the adjacent side of first sizing part 110, wherein, first sizing part 110 is used for the sizing work of middle wire in cable, and second sizing part 120 is used for the sizing work of edge part wire in cable;Based on this, wear-resistant layer 200 includes first cladding part 210 and second cladding part 220, first cladding part 210 is correspondingly matched with first sizing part 110, and first cladding part 210 is cladded to the inner surface of first sizing part 110, so that when middle wire in cable is sized by first sizing part 110, wire and first cladding part 210 surface contact and pass, in the process, first sizing part 110 provides stable support and limit for corresponding wire, and first cladding part 210 separates wire from first sizing part 110 to avoid that wire causes wear to the inner wall of first sizing part 110 when passing;Second cladding part 220 is correspondingly matched with second sizing part 120, and second cladding part 220 is cladded to the inner surface of second sizing part 120, so that when edge part wire in cable is sized by second sizing part 120, wire and second cladding part 220 surface contact and pass, in the process, second sizing part 120 provides stable support and limit for corresponding wire, and second cladding part 220 separates wire from second sizing part 120 to avoid that wire causes wear to the inner wall of second sizing part 120 when passing.

[0032] Further, fixture main body 100 is set to columnar structure, and fixture main body 100 extends along the axial direction by preset distance, to limit the processing stroke of wear-resistant sizing fixture 10 to cable. Specifically, first sizing part 110 is arranged at the center of fixture main body 100 along the axial direction of fixture main body 100;Second sizing part 120 is arranged at the edge of fixture main body 100 along the axial direction of fixture main body 100. More specifically, first sizing part 110 is set to columnar hole structure, and first sizing part 110 is through from one end of fixture main body 100 to the other end of fixture main body 100, to form the sizing channel of cable center wire;Similarly, second sizing part 120 is set to columnar hole structure, and second sizing part 120 is through from one end of fixture main body 100 to the other end of fixture main body 100, to form the sizing channel of cable edge wire.

[0033] In one embodiment, the first sizing portion 110 is configured as a core wire sizing channel to size the core wire of the cable.

[0034] In another embodiment, the second sizing portion 120 is configured as a ground wire sizing channel to size the ground wire of the cable. In this embodiment, the second sizing portion 120 can be configured as at least one, so that in practical applications, the abrasion-resistant sizing jig 10 can size one or more ground wires of the cable. Specifically, in this embodiment, the second sizing portion 120 is configured as two, and the two second sizing portions 120 are respectively arranged on both sides of the first sizing portion 110, so that the abrasion-resistant sizing jig 10 can size the core wire and the two ground wires of the cable.

[0035] Further, the abrasion-resistant layer 200 further comprises a third covering portion 230, the third covering portion 230 covers the outer surface of the jig body 100, and the third covering portion 230 is connected to the first covering portion 210 and the second covering portion 220 by both ends of the jig body 100, so as to form a complete and closed abrasion-resistant layer 200, thereby realizing the complete covering of the jig body 100 by the abrasion-resistant layer 200.

[0036] Further, the jig body 100 is made of graphene material, so that the jig body 100 itself has high strength, abrasion resistance and good thermal conductivity.

[0037] Further, the abrasion-resistant layer 200 is made of PTFE material, and the PTFE material has soft texture and extremely low friction coefficient, so as to reduce the friction loss between the abrasion-resistant sizing jig 10 and the wire, and thus, based on the stable support provided by the high-hardness jig body 100 made of graphene to the wire, the abrasion-resistant layer 200 made of PTFE material can effectively reduce the abrasion of the jig body 100 during use and prolong the service life. In one embodiment, the abrasion-resistant layer 200 is made of a PTFE tape with a thickness of 0.2 mm.

[0038] In summary, the wear-resistant sizing fixture disclosed by the utility model prolongs the service life, reduces the replacement frequency of the fixture, reduces the quality control difficulty of products, and further improves the product yield by strengthening the surface of the fixture main body with the wear-resistant layer to effectively reduce the wear of the wear-resistant sizing fixture in the actual application process. Specifically, the first sizing part of the fixture main body is used for the sizing work of the middle wire in the cable, and the second sizing part is used for the sizing work of the edge part wire in the cable; based on this, the first covering part of the wear-resistant layer is covered on the inner surface of the first sizing part, so that when the middle wire in the cable passes through the first sizing part for sizing, the wire contacts and passes through the surface of the first covering part, in the process, the first sizing part provides stable support and limiting for the corresponding wire, and the first covering part separates the wire from the first sizing part to avoid wear of the inner wall of the first sizing part when the wire passes through; the second covering part is covered on the inner surface of the second sizing part, so that when the edge part wire in the cable passes through the second sizing part for sizing, the wire contacts and passes through the surface of the second covering part, in the process, the second sizing part provides stable support and limiting for the corresponding wire, and the second covering part separates the wire from the second sizing part to avoid wear of the inner wall of the second sizing part when the wire passes through.

[0039] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.

[0040] The above-described embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, some modifications and improvements can be made, which are within the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A wear resistant sizing fixture, characterized by, The utility model relates to a cable drawing tool, which comprises a tool body and a wear-resistant layer arranged on the surface of the tool body to strengthen the surface of the tool body and provide wear resistance. The tool body is provided with a first sizing portion arranged at the center of the tool body and a second sizing portion arranged at the side of the first sizing portion, wherein the first sizing portion is used for the sizing of the middle wire of the cable, and the second sizing portion is used for the sizing of the edge wire of the cable. The wear-resistant layer comprises a first covering portion corresponding to the first sizing portion and a second covering portion corresponding to the second sizing portion, wherein the first covering portion is arranged on the inner surface of the first sizing portion, so that when the middle wire of the cable passes through the first sizing portion, the wire contacts the surface of the first covering portion and passes through; the second covering portion is arranged on the inner surface of the second sizing portion, so that when the edge wire of the cable passes through the second sizing portion, the wire contacts the surface of the second covering portion and passes through. The tool body is in a columnar structure and extends along the axial direction by a predetermined distance.

2. The wear resistant sizing fixture of claim 1, wherein, The first sizing portion is arranged at the center of the tool body along the axial direction of the tool body.

3. The wear resistant sizing fixture of claim 2, wherein, The second sizing portion is arranged at the edge of the tool body along the axial direction of the tool body.

4. The wear resistant sizing fixture of claim 2, wherein, The first sizing portion is in a columnar hole structure and extends through the tool body from one end to the other end to form a sizing channel for the middle wire of the cable.

5. The wear resistant sizing fixture of claim 3, wherein, The second sizing portion is in a columnar hole structure and extends through the tool body from one end to the other end to form a sizing channel for the edge wire of the cable.

6. The wear resistant sizing fixture of claim 4, wherein, The second sizing portion can be at least one.

7. The wear resistant sizing fixture of claim 6, wherein, The wear-resistant layer further comprises a third covering portion arranged on the outer surface of the tool body and connected to the first covering portion and the second covering portion at both ends of the tool body to form a complete and closed wear-resistant layer.

8. The wear resistant sizing fixture of claim 1, wherein, The tool body is made of graphene material.

9. The wear resistant sizing fixture of claim 1, wherein, The wear-resistant layer is made of PTFE material.

10. The wear resistant sizing fixture of claim 1, wherein, ​

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