Wire stripping device

Abstract

The present invention relates to a wire stripping device, which is composed of a cable locking and rotating unit and a cutting and feeding unit. The cable is assembled in the cable locking and rotating unit and is cut down in the height direction by the cutting and feeding unit. The present invention has a simple structure and is easy to use. The cable locking and rotating unit can not only tightly squeeze and frictionally fix the outer rubber ring of the cable, but also use the outer ring of the joint bearing to rotate relative to the inner ring of the joint bearing, so that the entire cutting and feeding mechanism can rotate in the circumferential direction to ensure that the cutting knife cuts around the outer circumference of the cable skin. The feeding assembly of the cutting and feeding unit is provided with a support, and the support is provided with a clamping part to fix the cutting device. The support is provided in the structural form of a main cylinder and a sub-cylinder, so that the sub-cylinder can move up and down along the guide of the spring sleeve.

Description

Technical Field

[0001] The invention relates to the technical field of cable stripping equipment, and in particular to a stripping device for high-voltage armored cables. Background Art

[0002] At present, when high-voltage armored cables are connected and laid, their connections need to be grounded. Operators need to manually remove the outer metal sheath and insulating sheath of the cable. However, this manual removal method is time-consuming and labor-intensive, with a poor safety factor. If it is restricted by the natural environment during field operations, the wire stripping efficiency is greatly affected. Summary of the invention

[0003] The applicant has conducted research and improvement on the above existing problems and provided a wire stripping device which can realize automatic wire stripping of armored cables.

[0004] The technical solution adopted by the present invention is as follows:

[0005] A wire stripping device, consisting of a cable locking and rotating unit and a cutting and feeding unit, wherein the cable is assembled on the cable locking and rotating unit and is cut downward in a height direction by the cutting and feeding unit;

[0006] The cable locking rotation unit is composed of a spherical bearing assembly and a universal bearing seat coaxially connected;

[0007] The cutting and feeding unit is composed of a cutting component and a feeding component connected in a sleeve manner.

[0008] Its further technical solution is:

[0009] The spherical bearing assembly comprises a spherical bearing inner ring, a spherical bearing outer ring and a spherical bearing sleeve. The spherical bearing sleeve is coaxially sleeved with the spherical bearing outer ring and the spherical bearing inner ring in sequence from outside to inside. The spherical bearing inner ring is approximately triangular in shape.

[0010] The inner ring of the universal bearing seat is provided with at least one first universal ball bearing along the circumferential direction;

[0011] The cutting assembly includes a driving device and a bottom plate, the bottom plate is provided with a notch for the driving device to freely enter and exit, and the output end of the driving device is connected to the cutting blade through the adjusting assembly;

[0012] The adjustment assembly comprises a clamping nut, the inner ring of the clamping nut cooperates with the output end of the driving device, the outer ring of the clamping nut cooperates with the adjustment ring, and the outer end of the adjustment ring is used to fix the cutting tool;

[0013] The feeding assembly includes a support and a spring sleeve, wherein the spring sleeve is fixed to the bottom plate; the support is formed into an integrated structure by combining a main cylinder and a secondary cylinder connected to both sides of the main cylinder, wherein the inner diameter of the secondary cylinder is used to match the spring sleeve, and the inner diameter of the main cylinder is used to match the driving device;

[0014] It also includes a spring column, which extends from the auxiliary cylinder body and passes through the spring sleeve to be threadedly connected to the bottom plate, a spring is sleeved on the periphery of the spring column, one end of the spring abuts against the end surface of the auxiliary cylinder body, and the other end of the spring abuts against the handle of the spring column;

[0015] An opening is provided on the main cylinder body, and two sides of the opening form a clamping part, and a double-ear seat is fixedly connected to the outer side of at least one clamping part, and the two ends of the double-ear seat are hinged to the wrench; a locking opening is provided on at least one auxiliary cylinder body, and a lock buckle is installed on the locking opening;

[0016] A through hole is provided on the bottom plate, and a profile bolt mounting piece is also provided on the outer side of the main cylinder body, a profile adjustment bolt with an adjustable nut cooperates with the profile bolt mounting piece, and the other end of the profile adjustment bolt passes through the through hole and is connected to a second universal ball bearing;

[0017] Also included is a depth limiting device, the depth limiting device comprising a depth limiting member and a contact member;

[0018] The limit member is rotatably mounted on the bottom plate, and the contact member is mounted on the secondary cylinder and is located above the depth limit member; the depth limit member includes a chassis, a protrusion is formed at the center of the chassis, and a plurality of limit columns are evenly distributed on the chassis with the protrusion as the center, and the heights of the limit columns are different, and threaded holes are provided on the protrusion and the limit columns; the contact member includes an adjusting sleeve, and the depth adjusting bolt is threadedly connected to the adjusting sleeve.

[0019] The beneficial effects of the present invention are as follows:

[0020] The cable locking rotation unit can not only squeeze and frictionally fix the outer rubber ring of the cable, but also utilize the outer ring of the spherical bearing to rotate relative to the inner ring of the spherical bearing, so that the entire cutting feed mechanism can rotate in the circumferential direction, ensuring that the cutting knife cuts around the outer circumference of the cable skin.

[0021] The cutting feed unit feed assembly is provided with a support, and a clamping portion is added to the support to fix the cutting device. The support is arranged in the structure of a main cylinder and a secondary cylinder, so that the secondary cylinder can move up and down along the spring sleeve.

[0022] The arrangement of the depth adjustment bolt and the limiter allows the cutting depth of the cable to be adjusted flexibly. The cutting depth difference can be adjusted according to the height difference of the upper limit column on the limiter.

[0023] The setting of the profile adjustment bolt enables the cutting knife to be adjusted adaptively according to the surface height of the cable, thereby ensuring the accuracy of the cutting depth.

[0024] The present invention can solve the traditional manual wire stripping method, save time and labor, greatly improve the production efficiency of the enterprise, and reduce the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The axial side of a wire stripping device of this embodiment Figure Ⅰ .

[0026] Figure 2 Axonometric view of a wire stripping device according to this embodiment Figure II .

[0027] Figure 3 The figure is a schematic structural diagram of a limit adjustment member in a wire stripping device according to the present embodiment.

[0028] Figure 4 This is a schematic diagram of the connection between a spring sleeve and a base plate in a wire stripping device of this embodiment.

[0029] Figure 5 This is a partial structural diagram of a wire stripping device according to this embodiment.

[0030] Figure 6 The figure is a schematic diagram of the structure of a contact member in a wire stripping device according to the present embodiment.

[0031] Figure 7 This is a schematic diagram of the connection between a compression nut and an adjustment ring in a wire stripping device according to this embodiment.

[0032] The accompanying drawings are marked as follows: 1, inner ring of spherical bearing; 2, outer ring of spherical bearing; 3, sleeve of spherical bearing; 4, universal bearing seat; 5, motor bottom plate; 501, through hole; 502, notch; 503, locking hole of limiter; 6, first universal ball bearing; 7, second universal ball bearing; 8, contour adjustment bolt; 81, adjustment nut; 9, support; 901, holding part; 902, shaft; 903, spanner; 904, lock; 90 5. Auxiliary cylinder; 906. Main cylinder; 907. Double-ear seat; 908. Profile bolt mounting piece; 10. Handle; 11. Spring column; 12. Spring; 13. Motor; 14. Depth limiter; 141. Chassis; 142. Protrusion; 143. Limit column; 144. Threaded hole; 15. Locking nut; 16. Adjustment ring; 17. Spring sleeve; 18. Contact piece; 181. Adjustment sleeve; 182. Depth adjustment bolt. DETAILED DESCRIPTION

[0033] The specific embodiments of the present invention are described below.

[0034] like Figure 1 , Figure 2 As shown, the wire stripping device is composed of a cable locking and rotating unit and a cutting and feeding unit. The cable is assembled in the cable locking and rotating unit and is cut down in the height direction by the cutting and feeding unit.

[0035] The cable locking rotation unit is composed of a spherical bearing assembly and a universal bearing seat 4 coaxially connected;

[0036] like Figure 1 , Figure 2 As shown, the spherical bearing assembly includes a spherical bearing inner ring 1, a spherical bearing outer ring 2 and a spherical bearing sleeve 3. The spherical bearing sleeve 3 is coaxially sleeved with the spherical bearing outer ring 2 and the spherical bearing inner ring 1 from the outside to the inside. The spherical bearing outer ring 2 and the spherical bearing sleeve 3 can rotate relative to the spherical bearing inner ring 1. The spherical bearing inner ring 1 is approximately triangular. The spherical bearing sleeve 3 is fixedly connected to the universal bearing seat 4 through a fastener. The inner ring of the universal bearing seat 4 is provided with at least one first universal ball bearing 6 along the circumferential direction. Preferably, in this embodiment, there are six first universal ball bearings 6, which can support the outer ring surface of the cable.

[0037] like Figure 1 , Figure 2 As shown, the cutting and feeding unit is composed of a cutting component and a feeding component which are connected in a sleeve manner.

[0038] The cutting assembly includes a driving device and a motor base plate 5. Preferably, the motor 13 is used in this embodiment. The motor base plate 5 is provided with a notch 502 for the motor 13 to freely enter and exit. The output end of the motor 13 is connected to the cutting blade through the adjustment assembly. Figure 1 , Figure 7 As shown, the above-mentioned adjustment assembly includes a clamping nut 15, the inner ring of the clamping nut 15 cooperates with the output end of the driving device, the outer ring of the clamping nut 15 cooperates with the adjustment ring 16, and the outer end of the adjustment ring 16 is used to fix the cutting tool (not shown due to the view relationship).

[0039] like Figure 1 , Figure 2 As shown, the feed assembly includes a support 9 and a spring sleeve 17, and the spring sleeve 17 is fixedly connected to the motor base plate 5; the support 9 is composed of a main cylinder 906 and a sub-cylinder 905 connected to both sides of the main cylinder 906 to form an integrated structure, the inner diameter of the sub-cylinder 905 is used to match the spring sleeve 17, and the inner diameter of the main cylinder 906 is used to match the motor 13, and a handle 10 is connected to the outside of the sub-cylinder 905.

[0040] like Figure 4As shown, the present invention also includes a spring column 11, which extends from the auxiliary cylinder 905 and passes through the spring sleeve 17 to be threadedly connected to the motor base plate 5. A spring 12 is sleeved on the periphery of the spring column 11, one end of the spring 12 abuts against the end surface of the auxiliary cylinder 905, and the other end of the spring 12 abuts against the handle of the spring column 11.

[0041] like Figure 2 As shown, an opening is provided on the main cylinder 906, and clamping parts 901 are formed on both sides of the opening. A double-ear seat 907 is fixedly connected to the outer side of at least one side of the clamping part 901, and both ends of the double-ear seat 907 are hinged to the wrench 903 through an axis 902; a locking opening is provided on at least one auxiliary cylinder 905, and a lock buckle 904 is installed on the locking opening.

[0042] like Figure 1 As shown, a through hole 501 is opened on the motor base plate 5, and a profiling bolt mounting piece 908 is also provided on the outer side surface of the main cylinder 906. The profiling adjustment bolt 8 with an adjustable nut 81 cooperates with the profiling bolt mounting piece 908, and the other end of the profiling adjustment bolt 8 passes through the through hole 501 and is connected to the second universal ball bearing 7.

[0043] like Figure 1 , Figure 3 As shown, the present invention further comprises a depth limiting device, which comprises a depth limiting member 14 and a contact member 18;

[0044] like Figure 3 As shown, the depth stopper 14 is rotatably mounted on the motor base plate 5, and the contact member 18 is mounted on the secondary cylinder 905 and is located above the depth stopper 14. Figure 1 As shown, a locking hole 503 of a limiting member is provided on the motor bottom plate 5. Figure 3 As shown, the depth stopper 14 includes a base 141, a protrusion 142 is formed at the center of the base 141, and a plurality of stopper columns 143 are evenly distributed on the base 141 with the protrusion 142 as the center. The heights of the stopper columns 143 are different, and threaded holes 144 are provided on the protrusion 142 and the stopper columns 143. The locking member passing through the threaded hole 144 in the protrusion 142 is loosened from the stopper locking hole 503, so that the depth stopper 14 can rotate with the locking member as the center. Figure 6 As shown, the contact member 18 includes an adjusting sleeve 181 , and a depth adjusting bolt 182 is threadedly connected to the adjusting sleeve 181 .

[0045] The specific working process of the present invention is as follows:

[0046] First, assemble the cable, use a fork wrench to connect it to the inner ring 1 of the spherical plain bearing, then rotate the inner ring 1 of the spherical plain bearing, squeeze the rubber of the inner ring 1 of the spherical plain bearing and the outer ring of the cable tightly, and fix them by friction, so that the outer ring 2 of the spherical plain bearing can rotate 360° around the cable. Figure 1As shown, each first universal ball bearing 6 supports the cable, so as to bear the downward force when the cutting feed device moves downward. The inner ring 1 of the spherical bearing and the outer ring 2 of the spherical bearing are both arranged in the spherical bearing sleeve 3, and the inner ring 1 of the spherical bearing is prevented from moving forward and backward in the axial direction by arranging a retaining ring at the front end and a screw at the rear end.

[0047] like Figure 1 , Figure 2 As shown, each sub-cylinder 905 of the support 9 moves upward along the outer circumference of the spring sleeve 17, and the spring 12 is compressed when the sub-cylinder 905 moves upward. The extension length of the cutting blade is adjusted by the clamping nut 15 and the adjusting ring 16 at the output end of the motor 13, so that the cutting blade moves downward as a whole until it contacts the surface of the cable insulation sheath. At this time, there is a margin between the sub-cylinder 905 and the spring sleeve 17, so that the sub-cylinder 905 can still move downward along the spring sleeve 17, and then the depth adjustment bolt 182 is rotated to the top of any limit column 143, and the limit screw is screwed into the limit column 143. Then start the motor 13 to operate the cutting knife to rotate, and the compression force of the spring 12 is released to drive the auxiliary cylinder 905 and the entire support 9 to move downward along the spring sleeve 17. During the downward process, the cutting knife rotates and removes the cable insulation sheath until the depth adjustment bolt 182 moves downward with the support 9 and contacts the limit screw of the limit column 143. At this time, the cutting knife reaches the specified depth, and the support 9 is locked as a whole on the spring sleeve 17 through the lock buckle 904 to fix the current position of the cutting knife.

[0048] like Figure 1 , Figure 2 As shown in the figure, after fixing the position of the cutting blade, the entire cutting feed unit is rotated 360° relative to the joint bearing inner ring 1 through the motor base plate 5, the universal bearing seat 4, the joint bearing sleeve 3 and the joint bearing outer ring 2 by the handle 10, so that the cutting blade can cut off the insulation sheath of the cable at the depth. The entire cutting feed unit rotates one circle back to the position shown in the figure. Figure 1 When in the position shown, turn off the motor 13 and then switch the limit column 143 again (i.e., release the locking member from the depth limit member 14, and rotate the depth limit member 14 to switch the limit column 143). The height of the next limit column 143 is smaller than the height of the previous limit column 143. The height difference is slightly larger than the thickness of the insulating sheath. Then continue to fix the depth limit member 14, start the motor 13 again, operate the support 9 and the motor 13 downward, so that the depth adjustment bolt 182 contacts the limit column 143 (the lower one) again, and then repeat the above action to rotate the entire cutting feed unit, thereby cutting the metal sheath under the insulating sheath of the cable.

[0049] like Figure 1 , Figure 2As shown, when the entire cutting feed unit is rotated, the second universal ball bearing 7 on the profiling adjustment bolt 8 always contacts the outer skin of the cable. Since the outer skin of the cable is squeezed by the approximately triangular inner ring of the spherical bearing inner ring 1, it will also form an approximate triangle. Therefore, during the rotation process, the second universal ball bearing 7 will contact the high point of the contour outside the cable skin. In order to avoid affecting the cutting depth, the second universal ball bearing 7 transmits force to the profiling adjustment bolt 8 at this time. The profiling adjustment bolt 8 drives the profiling bolt mounting part 908 and the entire support 9 to move upward, thereby driving the motor 13 and the cutting knife to move upward, thereby realizing the adaptive adjustment of the entire cutting feed unit to adapt to the contour of the cable skin.

[0050] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. The present invention may be modified in any form without violating the basic structure of the present invention.

Claims

1. Wire stripping device, characterized in that: It is composed of a cable locking and rotating unit and a cutting and feeding unit, the cable is assembled on the cable locking and rotating unit and is cut down in the height direction by the cutting and feeding unit; The cable locking rotation unit is composed of a spherical bearing assembly and a universal bearing seat (4) coaxially connected; The cutting feed unit is composed of a cutting component and a feed component sleeved together; the spherical bearing component comprises a spherical bearing inner ring (1), a spherical bearing outer ring (2) and a spherical bearing sleeve (3); the spherical bearing sleeve (3) is coaxially sleeved with the spherical bearing outer ring (2) and the spherical bearing inner ring (1) in sequence from outside to inside; the spherical bearing inner ring (1) is approximately triangular in shape; Also included is a depth limiting device, the depth limiting device comprising a depth limiting member (14) and a contact member (18); The depth stopper (14) is rotatably mounted on the bottom plate, and the contact member (18) is mounted on the secondary cylinder (905) and is located above the depth stopper (14); The depth limiting member (14) comprises a chassis (141), a protrusion (142) is formed at the center of the chassis (141), and a plurality of limiting columns (143) are evenly distributed on the chassis (141) with the protrusion (142) as the center, the heights of the limiting columns (143) are different, and threaded holes (144) are provided on the protrusion (142) and the limiting columns (143); the contact member (18) comprises an adjusting sleeve (181), and a depth adjusting bolt (182) is threadedly connected to the adjusting sleeve (181); and at least one first universal ball bearing (6) is provided on the inner ring of the universal bearing seat (4) along the circumferential direction.

2. The wire stripping device according to claim 1, characterized in that: The cutting assembly comprises a driving device and a base plate, the base plate is provided with a notch (502) for the driving device to freely enter and exit, and the output end of the driving device is connected to the cutting blade via an adjusting assembly.

3. The wire stripping device according to claim 2, characterized in that: The adjustment assembly comprises a clamping nut (15), the inner ring of the clamping nut (15) cooperates with the output end of the driving device, the outer ring of the clamping nut (15) cooperates with the adjustment ring (16), and the outer end of the adjustment ring (16) is used for fixing the cutting tool.

4. The wire stripping device according to claim 3, characterized in that: The feeding assembly comprises a support (9) and a spring sleeve (17), wherein the spring sleeve (17) is fixedly connected to a base plate (5); the support (9) is composed of a main cylinder (906) and a secondary cylinder (905) connected to both sides of the main cylinder (906) to form an integrated structure, wherein the inner diameter of the secondary cylinder (905) is used to match the spring sleeve (17), and the inner diameter of the main cylinder (906) is used to match the driving device.

5. The wire stripping device according to claim 4, characterized in that: It also comprises a spring column (11), the spring column (11) extending from the auxiliary cylinder (905) into and passing through the spring sleeve (17) to be threadedly connected to the bottom plate (5), a spring (12) being sleeved on the periphery of the spring column (11), one end of the spring (12) abutting against the end surface of the auxiliary cylinder (905), and the other end of the spring (12) abutting against the handle of the spring column (11).

6. The wire stripping device according to claim 5, characterized in that: An opening is provided on the main cylinder (906), and two sides of the opening form a clamping portion (901). A double-ear seat (907) is fixedly connected to the outer side of at least one clamping portion (901), and two ends of the double-ear seat (907) are hinged to the wrench (903). A locking opening is provided on at least one auxiliary cylinder (905), and a lock buckle (904) is installed on the locking opening.

7. The wire stripping device according to claim 6, characterized in that: A through hole (501) is provided on the bottom plate (5), and a profiling bolt mounting member (908) is also provided on the outer side surface of the main cylinder (906). A profiling adjustment bolt (8) with an adjustable nut (81) cooperates with the profiling bolt mounting member (908), and the other end of the profiling adjustment bolt (8) passes through the through hole (501) and is connected to a second universal ball bearing (7).

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