Steel-cored aluminum strand cutting device

Abstract

The utility model discloses a steel-cored aluminum strand cutting device which comprises a machining table, a two-end pressing and cutting mechanism comprises conveying grooves formed in the two sides of the top end of the machining table, supporting shafts are arranged on one sides of the top ends of two extending strips in a penetrating and inserting mode, and limiting blocks are fixedly arranged at the bottoms of the two supporting shafts. And cutting blades are fixedly arranged in the cutting groove and at the bottom of the extrusion sheet. According to the utility model, the extrusion sheet is punched down through the hydraulic cylinder, and the bottom position of the supporting shaft at the upper end of the extension strip at the two ends is lower than the height of the cutting blade at the bottom of the extrusion sheet, so that the limiting block firstly contacts the two ends of the cable and is extruded and fixed through the rubber pad; and then the cutting blade in the cutting groove and the cutting blade at the bottom of the extrusion sheet are matched to cut off the cable under the pressure drop of the extrusion sheet, in the process, the two ends are extruded through the limiting blocks so that the cable cannot deviate, meanwhile, the cut-off cross section is kept flat, and the cutting effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel core aluminum processing, in particular to a steel core aluminum stranded wire cutting device. Background Art

[0002] Steel core aluminum cable, or steel core aluminum wire, is used in overhead wires. It uses a strong steel wire as the core of the conductor and is surrounded by aluminum wire for power supply. The outer layer uses aluminum wire because aluminum has good conductivity, light weight and cheapness. The inner layer uses steel wire because of its strong tensile strength. Fortunately, although the conductivity of steel wire is poor, due to the skin effect, most of the current passes through the outer layer of the cable. Therefore, it does not matter if the inner layer has poor conductivity. The higher the impedance of the inner layer, the better. In the process of use, it is often necessary to cut it off for use, and this type of steel core aluminum cutting device is needed in the process of cutting the steel core aluminum.

[0003] In view of this, Chinese patent No. CN216027766U proposes a steel core aluminum stranded wire cutting device, which first clamps the aluminum stranded wire and then shears it. The fixed block drives the connecting rope to start the control switch, and the control switch starts the electric telescopic rod, thereby lifting the connecting rod and allowing the straightening plate to straighten the aluminum stranded wire. After the scissors head cuts the aluminum stranded wire, it will reopen, causing the trigger block to trigger the stop switch, the clamping block releases the aluminum stranded wire, the control switch stops, the electric telescopic rod retracts, and the position of the straightening plate returns to its original position, so that the aluminum stranded wire can be cut again. However, in the above technical solution, although one end of the steel core aluminum wire is straightened and cut by the straightening plate during the cutting process of the steel core aluminum, during the cutting process, the other end of the cable has no fixed structure to squeeze and clamp it, so that the other end will be warped during the cutting process, which will still cause an uneven cross-section. Therefore, a two-end clamping and cutting structure is required. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a steel core aluminum stranded wire cutting device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model proposes a steel core aluminum strand cutting device, comprising a processing table, the upper end of which is provided with a two-end pressing and cutting mechanism, and one side of which is provided with an adjustable steel core aluminum straightening transmission mechanism;

[0006] The two-end clamping and cutting mechanism includes transmission grooves arranged on both sides of the top of the processing table, an extrusion sheet is inserted between the two transmission grooves, extension strips are fixedly provided at the middle positions on both sides of the outer walls of the extrusion sheets, a support shaft is inserted at one side of the top of the two extension strips, a limit block is fixedly provided at the bottom of the two support shafts, a rubber pad is fixedly provided at the bottom of the two limit blocks, a spring is sleeved on the outer wall of one end of the two support shafts, and one end of the two springs is fixedly connected to one side of the bottom of the two extension strips respectively, a cutting groove is opened in the middle position of the top of the processing table, and a cutting blade is fixedly provided inside the cutting groove and at the bottom of the extrusion sheet.

[0007] In one example, sliding grooves are opened in the middle positions on both sides of the two transmission grooves, and the outer walls of the four ends of the extrusion plate are respectively slidably connected with the inner walls of the four sliding grooves, and the inner walls of the four sliding grooves are interspersed with limiting shafts, and the outer walls of the four limiting shafts are respectively interspersed with the inner walls of the extrusion plate.

[0008] In one example, a support frame is fixed between the two transmission grooves, a hydraulic cylinder is fixedly provided at the top of the support frame, a connecting shaft is inserted into the middle position of the bottom of the support frame, and one end of the connecting shaft is inserted and connected with the output end of the hydraulic cylinder, and the bottom of the connecting shaft is fixedly connected with the top of the extrusion sheet.

[0009] In one example, the straightening transmission mechanism includes fixed brackets fixed at both ends of one side of the processing table, one side of the two fixed brackets is provided with a connecting groove, and a first traction roller is inserted between the two connecting grooves.

[0010] In one example, a second traction roller is rotatably provided between the two fixed brackets at the upper end of the first traction roller, a motor is fixedly provided on one side of one of the fixed brackets, and one end of the second traction roller is fixedly connected to the output end of the motor.

[0011] In one example, a switch panel is fixedly provided on one side of the outer wall of the processing table, and the motor is electrically connected to the external power supply through the switch panel.

[0012] The steel core aluminum stranded wire cutting device proposed by the utility model can bring the following beneficial effects:

[0013] 1. A steel core aluminum stranded wire cutting device. During the cutting process, the steel core aluminum cable is transmitted to the upper end of the cutting groove through the transmission groove and the traction mechanism, and the transmission is continued. After the transmission length reaches the target length, the transmission is stopped, and the extrusion sheet is punched down by the hydraulic cylinder. The bottom position of the support shaft at the upper end of the extension strips at both ends is lower than the height of the cutting blade at the bottom of the extrusion sheet, so that the limit block first contacts the two ends of the cable and squeezes and fixes it through the rubber pad, and then under the pressure drop of the extrusion sheet, the cutting blade in the cutting groove and the cutting blade at the bottom of the extrusion sheet cooperate to cut the cable. In this process, since both ends are squeezed by the limit block, they will not deviate, and the cut cross section remains flat, thereby improving the cutting effect of the device.

[0014] 2. This steel core aluminum stranded wire cutting device, before cutting, installs a first traction roller of suitable diameter in the connecting groove according to the diameter of the steel core aluminum cable so that it can contact the cable with the second traction roller at the upper end, and then starts the motor to rotate the second traction roller at the upper end to roll over the cable, so that the first traction roller at the lower end rotates in the opposite direction to the first traction roller and transfers the cable to the transmission groove. At the same time, the steel core aluminum at the transmission end is pressed straight by the squeezing of the two traction rollers, and there is no need for manual straightening by the staff at a later stage, which is convenient for the later cutting and improves the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

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

[0017] Figure 2 It is a schematic diagram of the overall structure of the extruded sheet of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the cross section of the processing table of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure of the pressure direct transmission structure of the utility model.

[0020] In the figure: 1. processing table; 2. transmission trough; 3. extrusion sheet; 4. extension strip; 5. support shaft; 6. limit block; 7. rubber pad; 8. spring; 9. cutting groove; 10. cutting blade; 11. slide groove; 12. limit shaft; 13. support frame; 14. hydraulic cylinder; 15. connecting shaft; 16. fixed bracket; 17. connecting groove; 18. first traction roller; 19. second traction roller; 20. motor. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the utility model, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] The examples are as follows:

[0023] The utility model provides Figure 1-4 The steel core aluminum stranded wire cutting device shown comprises a processing table 1, and the upper end of the processing table 1 is provided with a two-end pressing and cutting mechanism;

[0024] The two-end clamping and cutting mechanism includes a transmission groove 2 arranged on both sides of the top of the processing table 1, an extrusion sheet 3 is interspersed between the two transmission grooves 2, an extension strip 4 is fixedly provided at the middle position on both sides of the outer wall of the extrusion sheet 3, a support shaft 5 is interspersed on one side of the top of the two extension strips 4, a limit block 6 is fixedly provided at the bottom of the two support shafts 5, a rubber pad 7 is fixedly provided at the bottom of the two limit blocks 6, a spring 8 is sleeved on the outer wall of one end of the two support shafts 5, and one end of the two springs 8 is fixedly connected to one side of the bottom of the two extension strips 4 respectively, a cutting groove 9 is opened in the middle position of the top of the processing table 1, a cutting blade 10 is fixedly provided inside the cutting groove 9 and at the bottom of the extrusion sheet 3, and after the extrusion sheet 3 is raised after cutting, the support shaft 5 is lowered to its original position under the action of the spring 8, so that the limit block 6 also returns to its original position, so that it is convenient to squeeze the two ends of the cable again when cutting next time, and the cutting blade 10 at the bottom of the extrusion sheet 3 is slightly misaligned with the cutting blade 10 in the cutting groove 9, so that it will not collide when cutting.

[0025] Slide grooves 11 are provided in the middle positions on both sides of the two transmission grooves 2, and the outer walls of the four ends of the extrusion sheet 3 are respectively slidably connected with the inner walls of the four slide grooves 11, and the inner walls of the four slide grooves 11 are interspersed with limit shafts 12, and the outer walls of the four limit shafts 12 are respectively interspersed with the inner walls of the extrusion sheet 3, and the top diameters of the four limit shafts 12 are slightly larger, so that the extrusion sheet 3 is not easy to detach, and at the same time, the lower end of the limit shaft 12 is in close contact with the extrusion sheet 3 so that it will not shake during lifting and cutting;

[0026] Furthermore, a support frame 13 is fixed between the two transmission grooves 2, a hydraulic cylinder 14 is fixed on the top of the support frame 13, a connecting shaft 15 is inserted in the middle position of the bottom of the support frame 13, and one end of the connecting shaft 15 is inserted and connected with the output end of the hydraulic cylinder 14, the bottom of the connecting shaft 15 is fixedly connected with the top of the extrusion sheet 3, and the support frame 13 is fixed at the upper end of the junction of the two transmission grooves 2, so that the hydraulic cylinder 14 can drive the connecting shaft 15 to pressurize the extrusion sheet 3;

[0027] Furthermore, the straightening transfer mechanism includes fixed brackets 16 fixed at both ends of one side of the processing table 1, and a connecting groove 17 is opened on one side of the two fixed brackets 16. A first traction roller 18 is inserted between the two connecting grooves 17, and the rotation direction of the two first traction rollers 18 is inward, so that it is not easy to fall off from the connecting groove 17 when traction and transfer of the steel core aluminum.

[0028] A second traction roller 19 is rotatably provided at the upper end of the first traction roller 18 between the two fixed brackets 16, a motor 20 is fixedly provided on one side of one of the fixed brackets 16, and one end of the second traction roller 19 is fixedly connected to the output end of the motor 20. When the second traction roller 19 at the upper end rotates to extrude the steel-core aluminum wire for transmission, the friction between the cable and the first traction roller 18 at the lower end causes the first traction roller 18 and the second traction roller 19 to turn in opposite directions, thereby achieving the purpose of continuous transmission.

[0029] A switch panel is fixedly provided on one side of the outer wall of the processing table 1, and the motor 20 is electrically connected to an external power source through the switch panel.

[0030] Working principle: When using the steel-core aluminum stranded wire cutting device in the present design, firstly, it is necessary to fix the connecting shaft 15 at the bottom of the support frame 13 and the upper end of the extrusion sheet 3 with screws, so that the hydraulic cylinder 14 pushes the connecting shaft 15 and then squeezes the extrusion sheet 3 at the lower end to drop for cutting. During the cutting process, the steel-core aluminum cable is transmitted to the upper end of the cutting groove 9 through the transmission groove 2 and the traction mechanism, and is continuously transmitted. After the transmission length reaches the target length, the transmission is stopped, and the extrusion sheet 3 is punched down by the hydraulic cylinder 14. The bottom position of the support shaft 5 at the upper end of the extension strips 4 at both ends is lower than the height of the cutting blade 10 at the bottom of the extrusion sheet 3, so that the limit block 6 first contacts the two ends of the cable and squeezes and fixes it through the rubber pad 7, and then the cutting blade 10 in the cutting groove 9 is made to move downward under the pressure drop of the extrusion sheet 3. The cutting blade 10 and the cutting blade 10 at the bottom of the extrusion piece 3 cooperate to cut the cable. In this process, since both ends are squeezed by the limit block 6, they will not deviate, and the cut cross section remains flat, thereby improving the cutting effect of the device. Before cutting, a first traction roller 18 of a suitable diameter is installed in the connecting groove 17 according to the diameter of the steel-core aluminum cable so that it can cooperate with the second traction roller 19 at the upper end to contact the cable, and then the motor 20 is started to rotate the second traction roller 19 at the upper end to roll the cable, so that the first traction roller 18 at the lower end rotates in the opposite direction to the cable and then transfers the cable to the transmission groove 2. At the same time, the steel-core aluminum at the transmission end is pressed straight under the squeezing of the two traction rollers, and there is no need for manual straightening by the later staff, which is convenient for the later cutting and improves the working efficiency of the device.

[0031] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A steel core aluminum strand cutting device, comprising a processing table (1), characterized in that: The upper end of the processing table (1) is provided with a two-end pressing and cutting mechanism, and one side of the processing table (1) is provided with an adjustable steel-core aluminum straightening transmission mechanism; The two-end clamping and cutting mechanism comprises transmission grooves (2) arranged on both sides of the top of the processing table (1), an extrusion sheet (3) is inserted between the two transmission grooves (2), extension strips (4) are fixedly provided at the middle positions on both sides of the outer wall of the extrusion sheet (3), a support shaft (5) is inserted at one side of the top of the two extension strips (4), a limit block (6) is fixedly provided at the bottom of the two support shafts (5), a rubber pad (7) is fixedly provided at the bottom of the two limit blocks (6), a spring (8) is sleeved on the outer wall of one end of the two support shafts (5), and one end of the two springs (8) is fixedly connected to one side of the bottom of the two extension strips (4), a cutting groove (9) is opened at the middle position of the top of the processing table (1), and a cutting blade (10) is fixedly provided inside the cutting groove (9) and at the bottom of the extrusion sheet (3).

2. The steel core aluminum stranded wire cutting device according to claim 1, characterized in that: A slide groove (11) is provided at the middle position on both sides of the two transmission grooves (2), and the outer walls of the four ends of the extrusion sheet (3) are respectively slidably connected to the inner walls of the four slide grooves (11), and the inner walls of the four slide grooves (11) are interspersed with a limit shaft (12), and the outer walls of the four limit shafts (12) are respectively interspersed and connected to the inner wall of the extrusion sheet (3).

3. The steel core aluminum stranded wire cutting device according to claim 1, characterized in that: A support frame (13) is fixed between the two transmission grooves (2), a hydraulic cylinder (14) is fixedly provided at the top of the support frame (13), a connecting shaft (15) is inserted in the middle position of the bottom of the support frame (13), and one end of the connecting shaft (15) is inserted and connected with the output end of the hydraulic cylinder (14), and the bottom of the connecting shaft (15) is fixedly connected with the top of the extrusion sheet (3).

4. The steel core aluminum stranded wire cutting device according to claim 1, characterized in that: The straightening transmission mechanism comprises fixed brackets (16) fixed at both ends of one side of the processing table (1), one side of the two fixed brackets (16) is provided with a connecting groove (17), and a first traction roller (18) is inserted between the two connecting grooves (17).

5. The steel core aluminum stranded wire cutting device according to claim 4, characterized in that: A second traction roller (19) is rotatably provided between the two fixed brackets (16) and located at the upper end of the first traction roller (18), a motor (20) is fixedly provided on one side of one of the fixed brackets (16), and one end of the second traction roller (19) is fixedly connected to the output end of the motor (20).

6. A steel core aluminum stranded wire cutting device according to claim 5, characterized in that: A switch panel is fixedly provided on one side of the outer wall of the processing table (1), and the motor (20) is electrically connected to an external power source via the switch panel.

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