Double-arm stranding machine

Abstract

The utility model belongs to the technical field of cable stranding equipment, and more specifically relates to a double-arm stranding machine. Comprising a first box body and a second box body, a first hollow rotating shaft is arranged on the first box body, a second hollow rotating shaft is arranged on the second box body, the first hollow rotating shaft is rotatably inserted into the first box body, the second hollow rotating shaft is rotatably installed on the second box body, a bobbin holder is arranged on the first hollow rotating shaft, and a second cantilever is arranged on the outer wall of the second hollow rotating shaft. A first guide wheel is arranged in the second hollow rotating shaft, the first guide wheel is externally tangent to the axis of the second hollow rotating shaft, a second guide wheel is arranged on the second cantilever, a first cantilever is arranged on the first hollow rotating shaft, a third guide wheel is arranged in the first hollow rotating shaft, and the third guide wheel is externally tangent to the axis of the first hollow rotating shaft. And a fourth guide wheel is arranged on the first cantilever. The double-arm wire twisting machine has the advantages that the windmill type bobbin creel is adopted, the distance between the double arms is shortened, the overall occupied area is small, the double-arm wire twisting speed is high, and efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable twisting equipment, and more specifically relates to a double-arm twisting machine. Background Art

[0002] The stranding machine is used to strand various soft and hard conductor wires, so that each stranded single wire is twisted together into a whole. During the stranding process, each stranded single wire needs to be unwound and spread out from its own coil before being stranded.

[0003] Common stranding machines include tubular stranding machines and bow stranding machines. Among them, tubular stranding machines are traditional stranding equipment, and their stranding speed can no longer meet the requirements of current high-speed production; the speed of bow stranding machines is 4-5 times that of tubular stranding machines, but because the speed is directly controlled by the wire take-up, excessive speed causes excessive stretching of the wire core, resulting in uneven resistivity of the wire core.

[0004] Therefore, how to solve the problems of low speed and uneven wire core resistivity of existing stranding machines is a key technical problem that technical personnel in this field need to solve. Utility Model Content

[0005] Based on this, it is necessary to provide a double-arm stranding machine to address the problems of low stranding speed and uneven core resistivity in the prior art.

[0006] Therefore, the present application provides a double-arm wire twisting machine, including a first box body and a second box body, the first box body is provided with a first hollow rotating shaft, the second box body is provided with a second hollow rotating shaft opposite to the first hollow rotating shaft, the first hollow rotating shaft can be rotatably inserted into the first box body, the second hollow rotating shaft can be rotatably installed on the second box body, a bobbin frame is provided on the first hollow rotating shaft, the bobbin frame is a windmill-type bracket, a bobbin is provided between two adjacent windmill blades, a wire core is provided on the bobbin, a second cantilever that can rotate with the second hollow rotating shaft is provided on the outer wall of the second hollow rotating shaft, and the second hollow rotating shaft can rotate with the second hollow rotating shaft. A first guide wheel is provided in the central rotating shaft, and the first guide wheel is circumscribed to the axis of the second hollow rotating shaft. A second guide wheel is provided on the end port of the second cantilever away from the first hollow rotating shaft. A first cantilever is provided on the first hollow rotating shaft, and the first cantilever is arranged between the first box body and the bobbin frame. A third guide wheel is provided in the first hollow rotating shaft, and the third guide wheel is circumscribed to the axis of the first hollow rotating shaft. A fourth guide wheel is provided on the end port of the first cantilever away from the first hollow rotating shaft. The double-arm twisting machine also includes a driving device for driving the first hollow rotating shaft and the second hollow rotating shaft to rotate synchronously.

[0007] In some embodiments, a through hole is provided on the axis of the bobbin frame, and the first hollow rotating shaft passes through the through hole and is movably connected to the bobbin frame through a bearing.

[0008] In some embodiments, a wire combining device for converging the wire cores of multiple spools at the wire inlet end of the second hollow rotating shaft is provided on the side of the spool rack facing the second box body.

[0009] In some embodiments, the wire paralleling device includes a threading plate and a connecting rod for fixing the threading plate on a wire drum frame. The threading plate is perpendicular to the axial direction of the second hollow rotating shaft, and the threading plate is provided with a plurality of thread paralleling holes for the wire core to pass through.

[0010] In some embodiments, the driving device is a first motor installed on one side of the first box body, and the first hollow rotating shaft and the second hollow rotating shaft are connected to the first motor through gears and chains.

[0011] In some embodiments, the double-arm twisting machine also includes a traction device for pulling the wire core forward, the traction device includes a first traction wheel, a second traction wheel and a second motor, the second motor is used to drive the first traction wheel and the second traction wheel to pull the wire core in the same direction, and the first traction wheel and the second traction wheel are both connected to the second motor through a belt drive.

[0012] In some embodiments, the first cantilever is disposed perpendicularly to the axial direction of the first hollow rotating shaft, and the second cantilever is disposed perpendicularly to the axial direction of the second hollow rotating shaft.

[0013] In some embodiments, the double-arm twisting machine further includes a wire taking-up device, which includes a wire taking-up frame and a rotating shaft mounted on the wire taking-up frame, and one end of the rotating shaft is connected to a wire taking-up motor for driving the rotating shaft to rotate.

[0014] The utility model provides a double-arm wire twisting machine, which has the following technical effects: a windmill-type wire reel frame is adopted to shorten the distance between the two arms, the overall footprint is small, the double-arm wire twisting speed is fast, and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 yes Figure 1 Enlarged view of the middle R part.

[0018] Figure 3 yes Figure 1 Enlarged view of the middle S part.

[0019] Explanation of the accompanying drawings: first box body 100, first hollow rotating shaft 110, reel frame 120, reel 121, second box body 200, second hollow rotating shaft 210, second cantilever 220, second cantilever mounting frame 221, No. 3 arm 222, No. 4 arm 223, first guide wheel mounting hole 211, first guide wheel 212, second guide wheel 224, first cantilever 130, first cantilever mounting frame 131, No. 1 arm 132, No. 2 arm 133, third guide wheel mounting hole 111, third guide wheel 112, fourth guide wheel 134, first motor 300, threading plate 141, connecting rod 142, first traction wheel 410, second traction wheel 420, second motor 430, take-up frame 510, rotating shaft 520, take-up motor 530. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "liquid level", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher liquid level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower liquid level than the second feature.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "liquid horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0026] An embodiment of the utility model provides a double-arm wire twisting machine, which is used to twist multiple single branch wires into one strand to meet the process requirements of the wires.

[0027] The following combination Figures 1 to 3 , the structure of the stranding machine in this application is explained.

[0028] refer to Figure 1 The utility model provides a double-arm twisting machine, including a first box body 100 and a second box body 200, wherein a first hollow rotating shaft 110 is provided on the first box body 100, and a second hollow rotating shaft 210 is provided on the second box body 200 opposite to the first hollow rotating shaft 110, the first hollow rotating shaft 110 can be rotatably inserted in the first box body 100, and the second hollow rotating shaft 210 can be rotatably installed on the second box body 200.

[0029] Furthermore, a bobbin frame 120 is provided on the first hollow rotating shaft 110. The bobbin frame 120 is a windmill-type bracket. A bobbin 121 is provided between two adjacent windmill blades. The bobbin 121 is provided with a wire core. The bobbin 121 is rotatably provided on the bobbin frame 120 and rotates to release the wire under traction. A through hole is provided on the axis of the bobbin frame 120. The first hollow rotating shaft 110 is inserted into the through hole and is movably connected to the bobbin frame 120 through a bearing.

[0030] Furthermore, a second cantilever 220 is provided on the outer wall of the second hollow rotating shaft 210, and the second cantilever 220 can rotate with the second hollow rotating shaft 210, so that the second cantilever 220 rotates relative to the spool frame 120, and the second cantilever 220 includes a second cantilever mounting frame 221 and a third arm 222 and a fourth arm 223 symmetrically mounted on the second cantilever mounting frame 221, and the third arm 222 and the fourth arm 223 are both hollow arms, see Figure 3 A first guide wheel mounting hole 211 is opened on the outer side wall of the second hollow rotating shaft 210 at a position corresponding to the No. 3 arm 222, and a first guide wheel 212 is arranged in the first guide wheel mounting hole 211. The first guide wheel 212 is circumscribed to the axis of the second hollow rotating shaft 210. A second guide wheel 224 is arranged on an end port of the No. 3 arm 222 away from the first hollow rotating shaft 110. The first guide wheel 212 is used to guide the wire core in the second hollow rotating shaft 210 along the No. 3 arm 222 to the second guide wheel 224. When the second hollow rotating shaft 210 and the second cantilever 220 are driven to rotate, the multiple wire cores between the wire drum frame 120 and the second cantilever 220 form a first twisted wire.

[0031] Furthermore, the first hollow rotating shaft 110 is further provided with a first cantilever 130, which is arranged between the first box 100 and the bobbin frame 120. The first cantilever 130 includes a first cantilever mounting frame 131 and a first arm 132 and a second arm 133 symmetrically mounted on the first cantilever mounting frame 131. Both the first arm 132 and the second arm 133 are hollow arms. Figure 2A third guide wheel mounting hole 111 is provided on the shaft wall of the first hollow shaft 110 at a position corresponding to the No. 1 arm 132, and a third guide wheel 112 is installed in the third guide wheel mounting hole 111. The third guide wheel 112 is circumscribed to the axis of the first hollow shaft 110. A fourth guide wheel 134 is provided on an end of the No. 1 arm 132 away from the first hollow shaft 110. The second guide wheel 224 is used to guide the wire core in the No. 3 arm 222 to the fourth guide wheel on the No. 1 arm 132. The guide wheel 134, the fourth guide wheel 134 is used to guide the wire core guided from the second cantilever 220 along the No. 1 arm 132 to the third guide wheel 112, and the third guide wheel 112 is used to guide the wire core in the No. 1 arm 132 to the first hollow shaft 110, and the wire core passes through the first hollow shaft 110 and comes out from the end of the first hollow shaft 110 away from the first cantilever 130. When the first hollow shaft 110 and the first cantilever 130 are driven to rotate, the wire core in the first hollow shaft 110 forms a second twisted wire.

[0032] Furthermore, the double-arm twisting machine also includes a driving device for driving the first hollow rotating shaft 110 and the second hollow rotating shaft 210 to rotate synchronously. Preferably, the driving device is a first motor 300, and the first hollow rotating shaft 110 and the second hollow rotating shaft 210 are connected to the first motor 300 through gears and chains.

[0033] In some embodiments, a wire joining device is provided on the side of the spool frame 120 facing the second hollow rotating shaft 210. The wire joining device is used to gather the wire cores of multiple spools 121 so as to facilitate entering the second hollow rotating shaft 210. The wire joining device can ensure that the wire cores are evenly distributed to prevent wire jumps during twisting.

[0034] Furthermore, the wire paralleling device includes a threading plate 141 and a connecting rod 142 for fixing the threading plate 141 on the wire drum frame 120. The plate surface of the threading plate 141 is perpendicular to the axial direction of the second hollow rotating shaft 210. The threading plate 141 is provided with a plurality of thread paralleling holes for the wire core to pass through.

[0035] In some embodiments, the double-arm stranding machine also includes a traction device for pulling the wire core forward. The traction device is also connected to the first motor 300 through gears and chains. The traction direction of the traction device is consistent with the direction from the second guide wheel 224 to the fourth guide wheel 134.

[0036] Further, the traction device includes a first traction wheel 410, a second traction wheel 420 and a second motor 430, the second motor 430 is used to drive the first traction wheel 410 and the second traction wheel 420 to pull the wire core in the same direction, and the first traction wheel 410 and the second traction wheel 420 are both connected to the second motor 430 through a belt transmission. It should be noted that the first traction wheel 410 and the second traction wheel 420 can also be connected to the first motor 300 through a ground axis connection.

[0037] In some embodiments, the double-arm twisting machine also includes a wire taking-up device, which includes a wire taking-up frame 510 and a rotating shaft 520 installed on the wire taking-up frame 510. One end of the rotating shaft 520 is connected to a wire taking-up motor 530 for driving the rotating shaft 520 to rotate. The rotating shaft 520 can also pull the wire core forward while rotating to take up the wire.

[0038] In some embodiments, the double-arm wire twisting machine further includes a wire drawing device, which includes a wire drawing frame 610 and at least two wire drawing wheels 620, and the two wire drawing wheels 620 are installed on the wire drawing frame 610 in an externally tangential manner up and down.

[0039] The utility model provides a double-arm wire twisting machine, which has the following technical effects: a windmill-type wire reel frame is adopted to shorten the distance between the two arms, the overall footprint is small, the double-arm wire twisting speed is fast, and the efficiency is high.

[0040] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A double-arm stranding machine, characterized in that: The invention comprises a first box body and a second box body, wherein a first hollow rotating shaft is arranged on the first box body, a second hollow rotating shaft is arranged on the second box body opposite to the first hollow rotating shaft, the first hollow rotating shaft is rotatably inserted into the first box body, and the second hollow rotating shaft is rotatably installed on the second box body, a spool frame is arranged on the first hollow rotating shaft, the spool frame is a windmill type bracket, a spool is arranged between two adjacent windmill blades, a spool is arranged on the spool, a second cantilever which can rotate with the second hollow rotating shaft is arranged on the outer wall of the second hollow rotating shaft, a first guide is arranged in the second hollow rotating shaft A guide wheel is provided, the first guide wheel is circumscribed to the axis of the second hollow rotating shaft, a second guide wheel is provided on the end port of the second cantilever away from the first hollow rotating shaft, a first cantilever is provided on the first hollow rotating shaft, the first cantilever is arranged between the first box body and the bobbin frame, a third guide wheel is provided in the first hollow rotating shaft, the third guide wheel is circumscribed to the axis of the first hollow rotating shaft, a fourth guide wheel is provided on the end port of the first cantilever away from the first hollow rotating shaft, and the double-arm twisting machine also includes a driving device for driving the first hollow rotating shaft and the second hollow rotating shaft to rotate synchronously.

2. A double-arm stranding machine according to claim 1, characterized in that: A through hole is provided on the axis of the bobbin frame, and the first hollow rotating shaft is passed through the through hole and is movably connected to the bobbin frame through a bearing.

3. A double-arm stranding machine according to claim 1, characterized in that: A line combining device for gathering the wire cores of a plurality of wire spools at the wire inlet end of the second hollow rotating shaft is provided on one side of the wire spool frame facing the second box body.

4. A double-arm stranding machine according to claim 3, characterized in that: The wire paralleling device includes a threading plate and a connecting rod for fixing the threading plate on the wire drum frame. The threading plate is perpendicular to the axial direction of the second hollow rotating shaft. The threading plate is provided with a plurality of thread paralleling holes for the wire core to pass through.

5. A double-arm wire twisting machine according to claim 1, characterized in that: The driving device is a first motor installed on one side of the first box body, and the first hollow rotating shaft and the second hollow rotating shaft are connected to the first motor through gears and chains.

6. A double-arm stranding machine according to claim 1, characterized in that: The double-arm stranding machine also includes a traction device for pulling the wire core forward, the traction device includes a first traction wheel, a second traction wheel and a second motor, the second motor is used to drive the first traction wheel and the second traction wheel to pull the wire core in the same direction, and the first traction wheel and the second traction wheel are both connected to the second motor through a belt drive.

7. A double-arm stranding machine according to claim 1, characterized in that: The first cantilever is arranged perpendicularly to the axial direction of the first hollow rotating shaft, and the second cantilever is arranged perpendicularly to the axial direction of the second hollow rotating shaft.

8. A double-arm wire twisting machine according to claim 1, characterized in that: The double-arm wire twisting machine also includes a wire taking-up device, which includes a wire taking-up frame and a rotating shaft installed on the wire taking-up frame, and one end of the rotating shaft is connected to a wire taking-up motor for driving the rotating shaft to rotate.

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