A wrapping mechanism of a cable wrapping machine

Abstract

The application relates to the technical field of cable wrapping, in particular to a wrapping mechanism of a cable wrapping machine, which comprises a rotating column and a rotating disc fixed on the outside of the rotating column, the front side of the rotating disc is provided with a wrapping tape shaft installed on the outside of the rotating column, the front side of the rotating disc is provided with a first guide roller, the front end of the first guide roller is connected with a support ring frame, the front side of the support ring frame is provided with a guide adjusting assembly, the front end of the rotating column is internally fixed with a second auxiliary rod, the middle part of the rotating column is internally hollow, and the middle part of the rotating column is internally provided with a core wire. The wrapping mechanism of the cable wrapping machine can limit and assist the support of the core wire to be wrapped with wrapping tape and the part of the core wire after being wrapped with wrapping tape through the cooperation of a group of first auxiliary rods and three groups of second auxiliary rods, the core wire can be prevented from shaking too much upwards and downwards when the wrapping tape is spirally wrapped outside the core wire, and therefore the compactness of the wrapping tape spirally wrapped outside the core wire can be improved.

Description

Technical Field

[0001] This invention relates to the field of cable wrapping technology, specifically to a cable wrapping machine wrapping mechanism. Background Technology

[0002] During cable manufacturing, a wrapping mechanism is needed to evenly and tightly wrap insulating or shielding materials such as mica tape and cotton paper tape around the cable core wire, thereby improving the cable's service life and performance, so that the cable can be well used in the smart grid industry. For example, the patent application published in the prior art with publication number "CN106448948A" is entitled "A Cable Wrapping Machine". It discloses that a lower tray for wrapping tape, wrapping tape, and upper pressure plate for wrapping tape are sequentially mounted on a wrapping tape mounting shaft. The mounting base is provided with two sets of guide shafts. The first set is located outside the cable inlet pipe, and the angle between the first guide shaft and the cable inlet pipe can be adjusted within the range of 0-180°. The second set is located close to the turntable, and the angle between the second guide shaft and the cable inlet pipe can be adjusted within the range of 0-90°. Each turntable corresponds to one first guide shaft and one second guide shaft. The first guide shaft is used to adjust the wrapping angle of the cable core wire entering the upper part of the cable inlet pipe, and the second guide shaft is used to adjust the tension of the wrapping tape output from the wrapping tape reel to ensure that the wrapping tape maintains a certain tension.

[0003] When the cable in the above-mentioned prior art is used, if the cable is wrapped around the right end of the cable inlet tube, the cable is not restricted again. As the wrapping tape is spirally wrapped around the outside of the cable, the cable will shake up and down, resulting in poor wrapping tightness.

[0004] Therefore, we propose a wrapping mechanism for a cable wrapping machine to solve the problems mentioned above. Summary of the Invention

[0005] The purpose of this invention is to provide a wrapping mechanism for a cable wrapping machine to solve the problem mentioned in the background art that, when the cable is wrapped after passing through the right end of the cable inlet tube, the cable is not restrained again, causing the cable to sway up and down when the wrapping tape is spirally wrapped around the outside of the cable, resulting in poor wrapping tightness.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wrapping mechanism for a cable wrapping machine, comprising a rotating column and a turntable fixed through and on its outer side, wherein a wrapping tape shaft is provided on the front side of the turntable and installed on the outer side of the rotating column, a first guide roller is installed on the front side of the turntable, a support ring frame is connected to the front end of the first guide roller, a guide adjustment component is installed on the front side of the support ring frame, a first auxiliary rod is engaged and slidably connected inside the front end of the rotating column, and a second auxiliary rod is fixed through and through inside the front end of the rotating column, the middle interior of the rotating column is hollow, and a core wire is inserted through the middle interior of the rotating column.

[0007] Preferably, the guide adjustment assembly includes a third guide roller and a fourth guide roller installed on the front side of the support ring frame, and the fourth guide roller is arranged below the third guide roller, and a second guide roller is installed on the front side of the turntable located at the corresponding position behind the fourth guide roller.

[0008] The above structure facilitates the guidance of the strapping, allowing it to be wound in a spiral shape around the outside of the core wire.

[0009] Preferably, the strap shaft is connected to the rotating column via a nut to form a disassembly structure.

[0010] The above structure facilitates the disassembly and replacement of the strap shaft later.

[0011] Preferably, a support frame is rotatably mounted through the outer rear end of the rotating column, and the bottom end of the support frame is connected to the interior of the wrapping machine.

[0012] The above structure facilitates the later installation of the wrapping mechanism.

[0013] Preferably, the shortest distance between the first auxiliary rod and the core wire is the same for both the first auxiliary rod and the three sets of second auxiliary rods, and the diameter of the first auxiliary rod is greater than the diameter of the second auxiliary rod.

[0014] The above structure allows the first auxiliary rod and the three sets of second auxiliary rods to effectively limit the outer side of the core wire, reducing the swaying space and amplitude of the core wire.

[0015] Preferably, the front outer side of the first auxiliary rod is provided with a first groove for guiding and limiting the strap.

[0016] With the above structure, the first groove can block and limit the outer side of the strap, allowing the strap to get close to the core wire, which facilitates the wrapping operation.

[0017] Preferably, a receiving groove is provided on the rear outer side of the rotating column, and a retaining ring is provided inside the receiving groove. A collar is fixed on the outer side of the retaining ring, and a vertical plate is fixed above the collar. The output end of the electric push rod installed above the support frame is connected to the vertical plate.

[0018] The above structure facilitates the movement of the collar and the retaining ring together.

[0019] Preferably, the inner diameter of the collar is larger than the outer diameter of the rotating column, a second groove is provided on the rear outer side of the first auxiliary rod, and a retaining ring is provided on the outer side of the second groove, and the thickness of the receiving groove is greater than the thickness of the retaining ring.

[0020] The above structure allows the retaining ring to move back and forth within the receiving groove.

[0021] Preferably, a pressure airbag is installed on the front side of the second auxiliary rod near the core wire.

[0022] The above structure allows the intermittent expansion of the pressure airbag to press and limit the outer surface of the wrapped core wire, preventing the wrapping tape from separating from the core wire.

[0023] Preferably, the turntable has an internal slot for installing an air-storing airbag, and a counterweight is installed in the slot inside the turntable. One end of the air-storing airbag is connected to a diversion pipe installed inside the turntable via a connecting pipe. The diversion pipe is arc-shaped, and an "L"-shaped guide pipe is installed on the front side of the diversion pipe. The other end of the guide pipe passes through the interior of the second auxiliary rod and communicates with the interior of the pressing airbag.

[0024] The above structure allows for intermittent inflation of the compression airbag, and its simple design eliminates the need for an additional power source.

[0025] Compared with the prior art, the beneficial effects of the present invention are: the wrapping mechanism of the cable wrapping machine can avoid excessive up-and-down shaking of the core wire when the wrapping tape is spirally wound around the outside of the core wire during use, thus improving the tightness of the wrapping tape spirally wound around the outside of the core wire. The specific details are as follows: (1) By using a set of first auxiliary rods and three sets of second auxiliary rods in cooperation, the core wire to be wrapped with the tape and the part of the core wire after the tape is wrapped can be limited and supported, so as to avoid the core wire from swinging too much when the tape is spirally wrapped around the outside of the core wire. Therefore, the tightness of the tape spirally wrapped around the outside of the core wire can be improved. (2) Insert one end of the strap into the space between the first groove and the core wire. Therefore, the first groove can further limit one end of the strap and shorten the distance between one end of the strap and the core wire, which can improve the quality and efficiency of wrapping. (3) The electric push rod drives the vertical plate, collar and retaining ring to move forward or backward, so that the retaining ring can drive the first auxiliary rod to move forward or backward in the second groove. Therefore, the position of the first groove can be adjusted to avoid the spacing of the bag strap wrapping the bag being too large or too small. (4) When the turntable rotates, the counterweight intermittently squeezes the air storage bladder, thereby causing the gas in the air storage bladder to enter the pressing bladder, causing the pressing bladder to expand intermittently, so that the pressing bladder can intermittently press the core wire after wrapping, thereby improving the tightness of the wrapping tape and the outer side of the core wire. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the rear view structure of the present invention; Figure 3 This is a schematic diagram of the separation structure of the rotating column and the wrapping shaft of the present invention; Figure 4 This is a schematic diagram of the left cross-sectional structure of the rotating column of the present invention; Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the middle; Figure 6 This is a schematic cross-sectional view of the connection between the retaining ring and the receiving groove of the present invention; Figure 7 This is a schematic diagram of the three-dimensional structure of the second auxiliary rod in Embodiment 2 of the present invention; Figure 8 This is a partial cross-sectional view of the rotating column and turntable in Embodiment 2 of the present invention; Figure 9 This is a schematic diagram of the three-dimensional structure of the diversion tube of the present invention; Figure 10 This is a schematic cross-sectional view of the second auxiliary rod of the present invention.

[0027] In the diagram: 1. Rotating column; 2. Turntable; 3. Wrapping shaft; 4. Support ring frame; 5. First guide roller; 6. Second guide roller; 7. Third guide roller; 8. Fourth guide roller; 9. First auxiliary rod; 91. First groove; 92. Second groove; 10. Second auxiliary rod; 11. Core wire; 12. Support frame; 13. Collar; 14. Electric push rod; 15. Snap ring; 16. Receiving groove; 17. Vertical plate; 18. Pressing airbag; 19. Air storage airbag; 191. Connecting pipe; 20. Counterweight; 21. Diverter pipe; 22. Guide pipe. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-10The present invention provides the following technical solution: Example 1: The wrapping mechanism of the cable wrapping machine in this example can prevent excessive up-and-down swaying of the core wire 11 when the wrapping tape is spirally wound around the outside of the core wire 11. Therefore, it can improve the tightness of the wrapping tape spirally wound around the outside of the core wire 11. For the specific structure, please refer to the attached diagram. Figures 1-3 As shown, a rotating column 1 and a turntable 2 fixed to its outer side are arranged. A wrapping shaft 3 is installed on the front side of the turntable 2 and mounted on the outer side of the rotating column 1. A first guide roller 5 is installed on the front side of the turntable 2. A support ring frame 4 is connected to the front end of the first guide roller 5. A guide adjustment assembly is installed on the front side of the support ring frame 4. A first auxiliary rod 9 is slidably connected to the front end of the rotating column 1. A second auxiliary rod 10 is fixed through the front end of the rotating column 1. The middle of the rotating column 1 is hollow. A core wire 11 is inserted through the middle of the rotating column 1. The guide adjustment assembly includes a third guide roller 7 and a fourth guide roller 8 installed on the front side of the support ring frame 4. A fourth guide roller 8 is arranged below the third guide roller 7. A second guide roller 6 is installed on the front side of the turntable 2 at the corresponding position behind the fourth guide roller 8.

[0030] The wrapping shaft 3 is connected to the rotating column 1 by a nut to form a disassembly structure. A support frame 12 is rotatably mounted on the outer rear end of the rotating column 1, and the bottom end of the support frame 12 is connected to the inside of the wrapping machine. The shortest distance between the first auxiliary rod 9 and the three sets of second auxiliary rods 10 and the core wire 11 is the same, and the diameter of the first auxiliary rod 9 is larger than the diameter of the second auxiliary rod 10. A first groove 91 for guiding and limiting the wrapping is provided on the outer front of the first auxiliary rod 9.

[0031] First, the entire wrapping mechanism is installed inside the wrapping machine via the support frame 12. Then, the entire wrapping mechanism begins to be used. One end of the wrapping tape wrapped around the outside of the wrapping tape shaft 3 is first passed over the outside of the first guide roller 5 adjacent to the second guide roller 6. Next, one end of the wrapping tape is wrapped around the outside of the second guide roller 6 and the third guide roller 7. Then, one end of the wrapping tape is passed under the fourth guide roller 8, so that the fourth guide roller 8 presses and limits one end of the wrapping tape. Finally, one end of the wrapping tape is inserted into the distance between the first groove 91 and the core wire 11 bracket. Therefore, the setting of the first groove 91 can further limit one end of the wrapping tape, shortening the distance between one end of the wrapping tape and the core wire 11, which can improve the quality and efficiency of wrapping. Finally, one end of the wrapping tape is wrapped around the outside of the core wire 11. At this point, the rear end of the rotating column 1 is connected to an external motor via a pulley assembly or sprocket assembly, causing the motor to drive the rotating column 1 to rotate. The rotating column 1 drives the turntable 2, the support ring frame 4, the first auxiliary rod 9, and the second auxiliary rod 10 to rotate. Since the core wire 11 only moves forward and does not rotate, the wrapping tape is spirally wrapped around the outside of the core wire 11. During the wrapping process, through the coordinated use of one set of first auxiliary rods 9 and three sets of second auxiliary rods 10, the core wire 11 to be wrapped with the wrapping tape and the part of the core wire 11 after the wrapping tape is wrapped can be limited and supported, preventing the core wire 11 from shaking too much when the wrapping tape spirally wraps around the outside of the core wire 11. Therefore, the tightness of the wrapping tape spirally wrapping around the outside of the core wire 11 can be improved, thus enabling the wrapping operation to be carried out well.

[0032] Example 2: The cable wrapping machine in this example, based on Example 1, avoids the wrapping spacing of the wrapping tape being too large or too small. For the specific structure, please refer to the attached diagram. Figures 4-6 As shown, a receiving groove 16 is provided on the rear outer side of the rotating column 1, and a retaining ring 15 is provided inside the receiving groove 16. A collar 13 is fixed on the outer side of the retaining ring 15. A vertical plate 17 is fixed above the collar 13. The output end of the electric push rod 14 installed above the support frame 12 is connected to the vertical plate 17. The inner diameter of the collar 13 is larger than the outer diameter of the rotating column 1. A second groove 92 is provided on the rear outer side of the first auxiliary rod 9, and a retaining ring 15 is provided on the outer side of the second groove 92. The thickness of the receiving groove 16 is greater than the thickness of the retaining ring 15.

[0033] When the vision inspection mechanism on the wrapping machine detects that the wrapping spacing of the strap is too large, the outer side of the core wire 11 is not completely wrapped by the strap, resulting in an exposed area. At this time, the PLC controller inside the wrapping machine controls the electric push rod 14 to start. The output end of the electric push rod 14 drives the vertical plate 17, the collar 13, and the retaining ring 15 to move forward together. Since the retaining ring 15 is engaged with the second groove 92, the retaining ring 15 drives the first auxiliary rod 9 to move forward, which in turn drives the first groove 91 to move forward. Then, the first groove 91 guides the inner side of the strap forward for the wrapping operation, thus avoiding excessively large wrapping spacing. This results in the outer side of the core wire 11 not being completely wrapped by the wrapping tape. When the visual inspection mechanism on the wrapping machine detects that the wrapping tape spacing is too small, there is a large overlap area of ​​the wrapping tape wrapped around the outer side of the core wire 11. This not only slows down the wrapping efficiency but also increases the amount of wrapping tape used. As mentioned above, the output end of the electric push rod 14 drives the vertical plate 17, the collar 13, and the retaining ring 15 to move backward together. This causes the first auxiliary rod 9 to drive the first groove 91 to move backward. Then, the first groove 91 guides the wrapping tape inside it backward for the wrapping operation, thereby avoiding a large overlap area of ​​the wrapping tape wrapped around the outer side of the core wire 11.

[0034] Example 3: The wrapping mechanism of the cable wrapping machine in this example, based on Example 1, can further improve the tightness of the wrapping tape wrapping the outer side of the core wire 11. For the specific structure, please refer to the attached diagram. Figures 7-10 As shown, a pressing airbag 18 is installed on the front side of the second auxiliary rod 10 near the core wire 11. An air storage airbag 19 is installed in the slot inside the turntable 2. A counterweight 20 is set in the slot inside the turntable 2. One end of the air storage airbag 19 is connected to the diversion pipe 21 installed inside the turntable 2 through the connecting pipe 191. The diversion pipe 21 is arc-shaped. An "L"-shaped guide pipe 22 is installed on the front side of the diversion pipe 21. The other end of the guide pipe 22 passes through the interior of the second auxiliary rod 10 and is connected to the interior of the pressing airbag 18.

[0035] When turntable 2 rotates, when counterweight 20 rotates to a position above the air storage bladder 19, it automatically moves downwards under its own weight, compressing the air storage bladder 19. This causes the gas inside the air storage bladder 19 to flow through connecting pipe 191, diverting pipe 21, and guide pipe 22 into the three sets of pressing air bladders 18. The expansion of the three sets of pressing air bladders 18 then presses the outer side of the wrapped core wire 11. When counterweight 20 rotates to a position below the air storage bladder 19, this... When the counterweight 20 moves downward and separates from the air storage bladder 19, the gas inside the pressing bladder 18 flows back into the air storage bladder 19. This operation is repeated, causing the pressing bladder 18 to expand intermittently, so that the pressing bladder 18 can intermittently press the wrapped core wire 11, thereby improving the tightness of the wrapping between the strap and the outer side of the core wire 11. A sponge pad or rubber pad can be installed on the inner wall of the groove opened in the turntable 2 to reduce the impact of the counterweight 20 on the inner wall of the groove opened in the turntable 2.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wrapping mechanism for a cable wrapping machine, comprising a rotating column (1) and a turntable (2) fixed through and on its outer side, wherein a wrapping tape shaft (3) is provided on the front side of the turntable (2) and mounted on the outer side of the rotating column (1), characterized in that: The turntable (2) is equipped with a first guide roller (5) on its front side. The front end of the first guide roller (5) is connected to a support ring frame (4). The front side of the support ring frame (4) is equipped with a guide adjustment component. The front end of the rotating column (1) is engaged and slidably connected with a first auxiliary rod (9). The front end of the rotating column (1) is fixedly connected with a second auxiliary rod (10). The middle interior of the rotating column (1) is hollow. The middle interior of the rotating column (1) is connected with a core wire (11).

2. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: The guide adjustment assembly includes a third guide roller (7) and a fourth guide roller (8) installed on the front side of the support ring frame (4), and the fourth guide roller (8) is provided below the third guide roller (7). A second guide roller (6) is installed on the front side of the turntable (2) located at the corresponding position behind the fourth guide roller (8).

3. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: The wrapping shaft (3) is connected to the rotating column (1) via a nut to form a disassembly structure.

4. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: A support frame (12) is rotatably mounted on the outer rear end of the rotating column (1), and the bottom end of the support frame (12) is connected to the interior of the wrapping machine.

5. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: The shortest distance between the first auxiliary rod (9) and the core wire (11) is the same for both the first auxiliary rod (9) and the three sets of second auxiliary rods (10), and the diameter of the first auxiliary rod (9) is greater than the diameter of the second auxiliary rod (10).

6. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: The first auxiliary rod (9) has a first groove (91) on its front outer side for guiding and limiting the strap.

7. The wrapping mechanism of a cable wrapping machine according to claim 4, characterized in that: The rotating column (1) has a receiving groove (16) on its rear outer side, and a retaining ring (15) is provided inside the receiving groove (16). A collar (13) is fixed on the outer side of the retaining ring (15), and a vertical plate (17) is fixed above the collar (13). The output end of the electric push rod (14) installed above the support frame (12) is connected to the vertical plate (17).

8. The wrapping mechanism of a cable wrapping machine according to claim 7, characterized in that: The inner diameter of the collar (13) is greater than the outer diameter of the rotating column (1). A second groove (92) is provided on the rear outer side of the first auxiliary rod (9), and a retaining ring (15) is provided on the outer side of the second groove (92). The thickness of the receiving groove (16) is greater than the thickness of the retaining ring (15).

9. The wrapping mechanism of a cable wrapping machine according to claim 1, characterized in that: A pressure airbag (18) is installed on the front side of the second auxiliary rod (10) near the core wire (11).

10. The wrapping mechanism of a cable wrapping machine according to claim 9, characterized in that: The turntable (2) has an internal slot for installing an air storage bag (19). A counterweight (20) is installed in the slot inside the turntable (2). One end of the air storage bag (19) is connected to a diversion pipe (21) installed inside the turntable (2) via a connecting pipe (191). The diversion pipe (21) is arc-shaped. An "L"-shaped guide pipe (22) is installed on the front side of the diversion pipe (21). The other end of the guide pipe (22) passes through the interior of the second auxiliary rod (10) and is connected to the interior of the pressing air bag (18).

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