A stranding device for processing a multi-core stranded cable

Abstract

The application relates to a stranding device for processing a multi-core stranded cable, which comprises a stranding machine and a rack, the rack is arranged at the outgoing end of the stranding machine, a powder box is further arranged, a rotating frame is arranged on the rack, through holes for allowing the cable to pass through are arranged at both ends of the rotating frame, the powder box is filled with talcum powder, when the powder box rotates, the talcum powder in the powder box is driven and spilled on the outer periphery of the cable; a driving assembly is arranged on the rack and used for driving the powder box to rotate; a powder spraying mechanism is arranged on the rack, and a powder outlet of the powder spraying mechanism is arranged in the powder box, so that the talcum powder can be sprayed on the cable in the powder box. The application has the effect of improving the talcum powder coating on the outer periphery of the cable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable processing, in particular to a stranding device for processing multi-core stranded cable. BACKGROUND

[0002] Multi-core cable refers to a cable with one or more insulated cores, and multi-core cable plays an important role in electronic products and electronic systems, and is a key link for connecting various functions of electronic products.

[0003] Multi-core cable is formed by stranding device to strand multiple sub-conductors in a certain direction and according to certain rules to form a whole cable. The stranded cable is more flexible and has better bending performance than a single core of the same diameter. In the process of cable stranding, talc powder is often applied to the end of the stranding device to increase the density and strength of the cable and improve the insulation performance and fire resistance of the cable. Talc powder can effectively protect the internal wires and cable structure of the cable to prevent short circuit, leakage and other faults. In addition, talc powder has good chemical stability and corrosion resistance and can maintain stable performance in harsh environmental conditions.

[0004] The existing talc powder coating step is usually realized by using a powder passing mechanism. The powder passing mechanism includes a powder tank containing talc powder. The wire to be coated with talc powder is directly inserted into one end of the powder tank and then pulled out from the other end by the traction of the extruder, so that the surface of the wire is coated with a layer of talc powder. However, due to the adhesion and solid plasticity of talc powder, a cavity is formed in the talc powder when the insulated core passes through the talc powder. Under the action of gravity, part of the cavity collapses, so that the subsequent wire can still be coated with talc powder. However, in actual production process, it is found that if the humidity in the powder tank is high, the talc powder will be damp and clump, so that the cavity brought out by the insulated core cannot collapse, thereby affecting the coating effect of the subsequent wire. SUMMARY

[0005] In order to overcome the technical problems of the prior art, the present application provides a stranding device for processing multi-core stranded cable.

[0006] The stranding device for processing multi-core stranded cable provided by the present application adopts the following technical scheme:

[0007] A stranding device for processing multi-core stranded cable, comprising a stranding machine and a rack, the rack is arranged on one side of the wire outlet end of the stranding machine, further comprising

[0008] A powder tank is rotatably arranged on the rack, and through holes are formed in both ends of the powder tank for the cable to pass through. The powder tank contains talc powder. When the powder tank rotates, the talc powder in the powder tank is driven and spilled on the outer periphery of the cable.

[0009] A driving assembly is arranged on the frame and used to drive the powder box to rotate;

[0010] A powder spraying mechanism is arranged on the frame and has a powder outlet in the powder box, which can spray talcum powder on the cable in the powder box.

[0011] Further, the powder spraying mechanism comprises support cylinders arranged coaxially at two ends of the powder box, a talcum powder storage ring mounted coaxially on the inner wall of the support cylinder, and an air pump communicated with the talcum powder storage ring, the powder outlet is arranged on the inner wall of the talcum powder storage ring, one end of the support cylinder is fixed on the frame and the other end extends into the powder box and is connected with the powder box in rotation.

[0012] Further, the talcum powder storage ring is spaced into multiple independent chambers along the circumference, and the powder box is communicated with the independent chambers through the powder outlet.

[0013] Further, the support cylinder comprises a straight cylinder part used to rotatably support the end of the powder box on the frame and a horn cylinder part arranged coaxially with the straight cylinder part, the horn cylinder part is located in the powder box and the caliber of the horn cylinder part gradually increases away from the straight cylinder part, and the talcum powder storage ring is arranged on the inner wall of the horn cylinder part.

[0014] Further, the inner wall of the powder box is provided with a baffle used to drive the talcum powder to move with the powder box.

[0015] Further, the baffle is provided with two groups, the two groups of baffles are respectively arranged at two ends of the powder box, and the straight line where the baffle is arranged is arranged in a different plane with the straight line where the rotation axis of the powder box is arranged, so that when the powder box rotates, the talcum powder in the powder box is lifted by the baffle and slides towards the middle of the powder box.

[0016] Further, each group of baffles is provided with multiple baffles, and the multiple baffles are arranged circumferentially along the inner wall of the powder box.

[0017] Further, the surface of the baffle is provided with an anti-sticking layer.

[0018] In summary, the beneficial technical effects of the present application are: by rotating the powder box, the talcum powder in the powder box is driven and spilled on the outer periphery of the cable, and the powder spraying mechanism is additionally provided, so that the powder spraying mechanism can spray talcum powder on the cable in the powder box, and the coating effect of talcum powder on the cable is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0020] Figure 2 is a schematic diagram of the cross-sectional structure of the powder box and the powder spraying mechanism in the embodiment of the present application.

[0021] Figure 3is a cross-sectional structure schematic diagram of the powder storage ring in the embodiment of the present application.

[0022] Fig. 1 is a wire stranding machine; 2 is a machine frame; 3 is a powder box; 4 is a through hole; 5 is a driving assembly; 61 is a supporting cylinder; 611 is a straight cylinder part; 612 is a horn cylinder; 62 is a powder storage ring; 63 is an air pump; 7 is an independent chamber; 8 is a blocking strip; 9 is a powder outlet. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are 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 those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] The embodiment of the present application discloses a stranding device for multi-core stranded cable processing. Referring to Figure 1 , Figure 2 and Figure 3 , a stranding device for multi-core stranded cable processing includes a wire stranding machine 1 and a machine frame 2 arranged on one side of the wire outlet end of the wire stranding machine 1. The machine frame 2 is provided with a powder box 3, a driving assembly 5 and a powder spraying mechanism. The powder box 3 is arranged in a cylindrical shape, and through holes 4 are formed at both ends of the powder box 3 for the cable to pass through, so that the cable after being stranded by the wire stranding machine 1 can pass through the powder box 3 along the length direction of the powder box 3. The powder box 3 is horizontally rotatably arranged on the machine frame 2, and the inside of the powder box 3 is filled with talcum powder. The driving assembly 5 drives the powder box 3 to rotate stably on the machine frame 2, so that the talcum powder in the powder box 3 is driven and spilled on the outer periphery of the cable.

[0025] In order to enable the talcum powder to be driven and spilled by the rotating powder box 3, referring to Figure 1 , Figure 2 and Figure 3 , blocking strips 8 for driving the talcum powder to move with the powder box 3 are arranged on the inner wall of the powder box 3. The blocking strips 8 are arranged in two groups, and each group of blocking strips 8 is arranged on one end of the powder box 3. Each group of blocking strips 8 is arranged with a plurality of blocking strips 8, and the plurality of blocking strips 8 are arranged circumferentially along the inner wall of the powder box 3. When the driving assembly 5 drives the powder box 3 to rotate, the talcum powder at the bottom of the powder box 3 is lifted to a certain height under the driving of the blocking strips 8. With the continuous rotation of the powder box 3, the talcum powder lifted by the blocking strips 8 is spilled downward under the action of gravity. At this time, the talcum powder in the falling process is spilled to the outer periphery of the cable.

[0026] Considering the effect of coating the cable, referring to Figure 2, the straight line where the blocking strip 8 is located is arranged in a different plane with the straight line where the rotating shaft of the powder box 3 is located, so that when the powder box 3 rotates, the talcum powder in the powder box 3 is lifted by the blocking strip 8 and slides towards the middle direction of the powder box 3, ensuring that enough talcum powder is concentrated and lifted for sprinkling. At the same time, the surface of the blocking strip 8 is provided with an anti-sticking layer, which is specifically a Teflon coating, to reduce the adhesion of talcum powder on the surface of the blocking strip 8, thereby ensuring that the blocking strip 8 can smoothly drive the talcum powder for sprinkling.

[0027] For the setting of the driving assembly 5, in the embodiment of the present application, referring to Figure 1 and Figure 2 , the driving assembly 5 is set as a belt wheel transmission assembly, specifically, a driven wheel is fixedly sleeved on the powder box 3, a motor is installed on the rack 2, a driving wheel is fixedly connected on the shaft of the motor, and the driving wheel and the driven wheel are synchronously transmitted through a belt. In other embodiments, the driving assembly 5 can be a gear transmission assembly or a chain wheel transmission assembly, etc.

[0028] To further ensure the coating effect of talcum powder on the outer periphery of the cable, referring to Figure 1 , Figure 2 and Figure 3 , the powder spraying mechanism includes support cylinders 61 coaxially arranged at both ends of the powder box 3, a powder storage ring 62 coaxially installed on the inner wall of the support cylinder 61, and an air pump 63 communicating with the powder storage ring 62. The support cylinder 61 includes a straight cylinder part 611 and a horn cylinder 612, which are coaxially communicated, one end of the straight cylinder part 611 is fixedly installed on the rack 2, the other end extends into the powder box 3 and is rotatably connected with the end of the powder box 3 through a rotating bearing. The horn cylinder 612 is located in the powder box 3, and the caliber of the horn cylinder 612 gradually increases away from the straight cylinder part 611. The powder storage ring 62 is located on the inner wall of the horn cylinder 612, the inside of the powder storage ring 62 is hollow, and the powder storage ring 62 is spaced into a plurality of independent chambers 7 along the circumferential direction, the independent chambers 7 contain talcum powder, a plurality of powder outlets 9 are formed on the inner wall of the powder storage ring 62, the powder box 3 communicates with the independent chambers 7 through the powder outlets 9, and the air pump 63 communicates with the plurality of independent chambers 7 through a pipeline. When it is necessary to spray talcum powder on the cable part in the powder box 3, the air pump 63 can be started, the air pump 63 blows the talcum powder in the independent chambers 7 out of the powder box 3 through the powder outlets 9, so that the talcum powder is sprayed to the outer periphery of the cable. The excess talcum powder falls on the inner wall of the horn cylinder 612 and flows along the inner wall of the horn cylinder 612 to the powder box 3 under the action of gravity, so that the excess talcum powder can be driven by the powder box 3 to be sprinkled on the outer periphery of the cable again.

[0029] The implementation principle of the twisting device for processing multi-core stranded cable is as follows: first, the cable is twisted by the stranding machine 1, then the twisted cable is sequentially arranged in the straight cylinder 611, the horn cylinder 612 and the powder box 3, and then the motor and the air pump 63 are started as the cable is transmitted forwardly, the air pump 63 blows the talcum powder in the plurality of independent chambers 7 from the powder outlet 9 through the pipeline, so that the talcum powder is sprayed on the outer periphery of the cable, and the excess talcum powder falls on the inner wall of the horn cylinder 612 and flows to the powder box 3 along the inner wall of the horn cylinder 612 under the action of gravity. The motor drives the powder box 3 to rotate through the belt and the pulley, the talcum powder at the bottom of the powder box 3 is lifted to a certain height under the action of the baffle 8, and then the talcum powder lifted by the baffle 8 is poured downwardly under the action of gravity, and the talcum powder in the falling process is poured on the outer periphery of the cable. The excess talcum powder slides toward the middle part of the powder box 3 under the guidance of the baffle 8 arranged obliquely, so that enough talcum powder can be lifted and poured in the subsequent process.

[0030] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A stranding device for processing a multi-core stranded cable, comprising a stranding machine (1) and a frame (2) provided on the side of the outgoing end of the stranding machine (1), characterized in that, Also includes The powder box (3) is rotatably arranged on the frame (2), and a through hole (4) for passing the cable is arranged at both ends of the powder box (3). The powder box (3) is filled with talcum powder. When the powder box (3) rotates, the talcum powder in the powder box (3) is driven and spilled on the outer periphery of the cable. The driving assembly (5) is arranged on the frame (2) and is used to drive the powder box (3) to rotate. The powder spraying mechanism is arranged on the frame (2), and the powder outlet (9) of the powder spraying mechanism is located in the powder box (3). The powder spraying mechanism can spray talcum powder on the cable in the powder box (3). The powder spraying mechanism includes a support cylinder (61) coaxially arranged at both ends of the powder box (3), a powder storage ring (62) coaxially arranged on the inner wall of the support cylinder (61), and a gas pump (63) in communication with the powder storage ring (62). The powder outlet (9) is located on the inner wall of the powder storage ring (62). One end of the support cylinder (61) is fixed on the frame (2), and the other end extends into the powder box (3) and is rotatably connected with the powder box (3). The support cylinder (61) includes a straight cylinder portion (611) for rotatably arranging the end of the powder box (3) on the frame (2) and a horn cylinder (612) coaxially arranged with the straight cylinder portion (611). The horn cylinder (612) is located in the powder box (3), and the caliber of the horn cylinder (612) gradually increases away from the straight cylinder portion (611). The powder storage ring (62) is located on the inner wall of the horn cylinder (612).

2. The stranding apparatus for processing a multi-core stranded cable according to claim 1, wherein The powder storage ring (62) is spaced into a plurality of independent chambers (7) along the circumference. The powder box (3) is in communication with the independent chambers (7) through the powder outlet (9).

3. The stranding apparatus for processing a multi-core stranded cable according to claim 1, wherein A baffle (8) for driving the talcum powder to move with the powder box (3) is arranged on the inner wall of the powder box (3).

4. The stranding apparatus for processing a multi-core stranded cable according to claim 3, wherein The baffle (8) is arranged in two groups, and the two groups of baffles (8) are located at both ends of the powder box (3). The straight line where the baffle (8) is located is arranged in a different plane from the straight line where the rotating shaft of the powder box (3) is located. When the powder box (3) rotates, the talcum powder in the powder box (3) is lifted by the baffle (8) and slides towards the middle of the powder box (3).

5. The stranding apparatus for processing a multi-core stranded cable according to claim 4, wherein Each group of baffles (8) is arranged in multiple baffles (8), and the multiple baffles (8) are arranged circumferentially along the inner wall of the powder box (3).

6. The stranding apparatus for processing a multi-core stranded cable according to claim 4, wherein The surface of the baffle (8) is provided with an anti-sticking layer.

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