Production process of mineral insulated flexible fireproof cable and its tape wrapping machine

Abstract

The present invention discloses a tape wrapping machine for producing mineral insulated flexible fireproof cables, including a base and a wrapping machine device, wherein the upper side wall of the base is symmetrically fixedly connected with a vertical plate, and the side walls of the two vertical plates are penetrated with three threading holes, and the two vertical plates are fixedly connected with a horizontal plate on the side away from each other, and the upper side walls of the horizontal plates on the same side are rotatably inserted with guide cylinders, and the lower end outer walls of the two guide cylinders are fixedly sleeved with limit plates, and the outer walls of the two guide cylinders are slidably sleeved with pressure cylinders, including. The present invention completes the tightening and fixing of the wires through the coordinated use of the guide cylinders, the pressure cylinders and the driving mechanism, thereby ensuring the quality of the cables made from the wires, and the use of the wrapping equipment reduces the labor of workers, is simple to operate, and effectively improves the efficiency of cable production.

Description

Technical Field

[0001] The invention relates to the technical field of cable production, in particular to a production process of a mineral insulated flexible fireproof cable and a tape wrapping machine thereof. Background Art

[0002] At present, the fireproof cable structures manufactured at home and abroad mainly include: 1. MI type mineral insulated cable invented in the 1890s; 2. Fireproof mica wrapped polymer insulation material coated fireproof cable (NH type); 3. Fireproof aluminum tube isolation sleeve type fireproof cable (NG type). For MI type mineral insulated cable, the copper sheath increases the copper consumption and production cost; the copper tube drawing technology is complicated and the equipment investment is large; in addition, it is difficult to achieve large diameter and long length production, and the cable is particularly hard, which makes the laying, installation and joints more troublesome.

[0003] In the existing production process of mineral insulated flexible fire-resistant cables, the conductors cannot be tightened due to poor fixing, which affects the quality of cable production. In addition, the winding machines used in cable production require a large amount of manual operation and are not convenient to operate, which in turn affects production efficiency.

[0004] Therefore, a production process of mineral insulated flexible fireproof cable and its tape wrapping machine are proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the background technology and to propose a production process for a mineral insulated flexible fireproof cable and a tape wrapping machine thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] The strip wrapping machine for producing mineral insulated flexible fireproof cable includes a base and a wrapping machine equipment, the upper side wall of the base is symmetrically fixedly connected with vertical plates, the side walls of the two vertical plates are penetrated with three threading holes, the sides of the two vertical plates away from each other are fixedly connected with cross plates, the upper side walls of the cross plates on the same side are rotatably inserted with guide cylinders, the lower end outer walls of the two guide cylinders are fixedly sleeved with limit plates, the outer walls of the two guide cylinders are slidably sleeved with pressure cylinders, wires are arranged inside the threading holes, the upper side walls of the two vertical plates are arranged with driving mechanisms, and the wrapping machine equipment includes motor 2 fixedly connected to the upper side wall of the base, and the driving end of the motor 2 is fixedly connected with an extension The cam is an angular movement mechanism which is arranged on a pair of rotating plates, which are attached to the side panels of the cam and are adapted to move the cams together to form a circle which is arranged on the side panels of the camshafts.

[0008] Preferably, the driving mechanism includes a guide rod fixedly connected to the upper side walls of the two vertical plates, the outer wall sliding sleeve of the guide rod located on the same side is provided with a mounting plate 1, the upper side wall of the mounting plate 1 located on the same side is fixedly connected with a motor 1, the driving end of the motor 1 located on the same side is fixedly connected with a gear 1, the upper side wall of the mounting plate 1 located on the same side is rotatably inserted with a rotating shaft, the lower end of the rotating shaft located on the same side is rotatably connected with a pressure plate, the top of the rotating shaft located on the same side is fixedly connected with a gear 2 meshing with gear 1, the side away from the two vertical plates is fixedly connected with a load-bearing plate, the upper side wall of the load-bearing plate located on the same side is fixedly connected with a hydraulic cylinder, and the end of the hydraulic cylinder located on the same side away from the load-bearing plate is fixedly connected to the lower side wall of the mounting plate 1.

[0009] Preferably, bearings are fixedly embedded in the upper side walls of the pressure plates on the same side, and the inner rings of the bearings on the same side are fixedly connected to the outer wall of the rotating shaft.

[0010] Preferably, the upper side wall of the base is provided with a guide groove matching the moving block.

[0011] Preferably, the outer wall of the cylinder is provided with an annular groove matching the annular plate.

[0012] Preferably, the mounting mechanism comprises a vertical plate symmetrically fixedly connected to the inner top wall of the cylinder, the right side wall of the vertical plate on the left side is rotatably connected to a rotating rod that is in contact with the right side vertical plate, the lower end of the vertical plate on the right side is provided with a notch matching the rotating rod, the inner wall of the notch is slidably inserted with a clamping plate that is in contact with the outer wall of the rotating rod, the clamping plate and the right side vertical plate are fixed by bolts, and the outer wall of the rotating rod is sleeved with a winding drum.

[0013] The production process of mineral insulated flexible fire-resistant cables includes the following steps:

[0014] S1, first, pass the three wires through the three threading holes respectively, then remove the pressure tube, then pass the two ends of the wires through the guide tube, the ends of the wires are placed on the outer wall of the guide tube, and then put the pressure tube on;

[0015] S2, secondly, start the hydraulic cylinder, the driving end of the hydraulic cylinder drives the mounting plate 1, the rotating shaft and the pressure plate to move downward, so that the pressure plate squeezes and contacts to drive the pressure cylinder to move downward, so that the pressure cylinder completes the fixing of the wire, and the wire near the lower end of the guide cylinder is wound around the outer wall of the guide cylinder;

[0016] S3, then, start the motor 1, the driving end of the motor 1 drives the gear 1 to rotate counterclockwise, and then drives the meshing gear 2, the rotating shaft and the guide cylinder to rotate clockwise, so that the wire continues to be wound around the outer wall of the guide cylinder, thereby completing the tightening and fixing of the wire, thereby ensuring the quality of the cable made from the wire;

[0017] S4, then, the bolt is screwed counterclockwise, and the clamping plate is removed, and the rotating rod is rotated, and then the winding drum is replaced, and finally the rotating rod is reset, and the clamping plate is fixed by the bolt, and one end of the material on the winding drum is wound around the outside of the wire;

[0018] S5, finally, start the second motor, the driving end of the second motor drives the screw to rotate clockwise or counterclockwise, thereby driving the moving block, the cylinder and the winding drum to move left and right, and at the same time start the third motor, the driving end of the third motor with the third gear rotates, and then drives the gear ring, the cylinder and the winding drum meshing therewith to rotate, thereby realizing the winding of the outer wall material of the conductor, reducing the labor of the workers, simplifying the operation, and effectively improving the efficiency of cable production;

[0019] Compared with the existing technology, the advantages of this mineral insulated flexible fireproof cable production process and its tape wrapping machine are:

[0020] 1. Set up a vertical plate, threading holes, a guide cylinder, a pressing cylinder and a driving mechanism. First, thread the three wires through the three threading holes respectively, then remove the pressing cylinder, then pass the two ends of the wire through the guide cylinder, and put the end of the wire on the outer wall of the guide cylinder, and then put the pressing cylinder on. Secondly, start the hydraulic cylinder, and the driving end of the hydraulic cylinder drives the mounting plate 1, the rotating shaft and the pressing plate to move downward, so that the pressing plate squeezes and contacts to drive the pressing cylinder to move downward, so that the pressing cylinder completes the fixation of the wire, and the wire near the lower end of the guide cylinder is wound around the outer wall of the guide cylinder. Finally, start the motor 1, and the driving end of the motor 1 drives the gear 1 to rotate counterclockwise, and then drives the meshing gear 2, the rotating shaft and the guide cylinder to rotate clockwise, so that the wire continues to be wound around the outer wall of the guide cylinder, thereby completing the tensioning and fixing of the wire, thereby ensuring the quality of the cable made from the wire;

[0021] 2. Set up the wrapping machine, screw the bolts counterclockwise, then take out the cardboard, turn the rotating rod, then replace the winding drum, finally reset the rotating rod, and fix the cardboard with bolts, wind one end of the material on the winding drum around the outside of the wire, start motor 2, the driving end of motor 2 drives the screw rod to rotate clockwise or counterclockwise, thereby driving the moving block, cylinder and winding drum to move left and right, and start motor 3 at the same time, the driving end of motor 3 with gear 3 rotates, and then drives the gear ring, cylinder and winding drum meshing with it to rotate, thereby realizing the winding of the outer wall material of the wire, reducing the labor of workers, simple operation, and effectively improving the efficiency of cable production;

[0022] In summary, the present invention achieves the tightening and fixing of the wire through the coordinated use of the guide cylinder, the pressure cylinder and the driving mechanism, thereby ensuring the quality of the cable made from the wire, and the use of the wrapping equipment reduces the workload of the workers, is simple to operate, and effectively improves the efficiency of cable production. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the production process of the mineral insulated flexible fireproof cable and the structure of the tape wrapping machine thereof proposed by the present invention;

[0024] Figure 2 for Figure 1 Sectional view at A in the middle;

[0025] Figure 3 A side view of the connection between the neutral plate and the threading hole of the mineral insulated flexible fireproof cable production process and the strip wrapping machine proposed by the present invention;

[0026] Figure 4 A schematic diagram of the structure of the connection between the cylinder, the vertical plate, the rotating rod and the clamping plate in the production process of the mineral insulated flexible fireproof cable and the strip wrapping machine proposed by the present invention;

[0027] Figure 5The invention discloses a side view of the connection between the vertical plate, the notch, the clamping plate and the bolts in the production process of the mineral insulated flexible fireproof cable and the strip wrapping machine thereof.

[0028] In the figure: 1 base, 2 vertical plate, 3 threading hole, 4 horizontal plate, 5 guide cylinder, 6 limit plate, 7 pressure cylinder, 8 guide rod, 9 mounting plate 1, 10 motor 1, 11 gear 1, 12 rotating shaft, 13 gear 2, 14 bearing, 15 load-bearing plate, 16 hydraulic cylinder, 17 motor 2, 18 screw rod, 19 moving block, 20 mounting plate 2, 21 support rod, 22 circular ring plate, 23 cylinder, 24 gear ring, 25 fixing rod, 26 motor 3, 27 gear 3, 28 vertical plate, 29 rotating rod, 30 notch, 31 clamping plate, 32 bolt, 33 wire. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Reference Figure 1-5 , a strip wrapping machine for producing mineral insulated flexible fireproof cable comprises a base 1 and a wrapping machine device, the upper side wall of the base 1 is symmetrically fixedly connected with a vertical plate 2, the side walls of the two vertical plates 2 are penetrated with three threading holes 3, the two vertical plates 2 are fixedly connected with a horizontal plate 4 on the side away from each other, the upper side wall of the horizontal plate 4 on the same side is rotatably inserted with a guide cylinder 5, the lower end outer walls of the two guide cylinders 5 are fixedly sleeved with a limit plate 6, the outer walls of the two guide cylinders 5 are slidably sleeved with a pressure cylinder 7, a wire 33 is arranged inside the threading hole 3, the upper side walls of the two vertical plates 2 are provided with a driving mechanism, the driving mechanism comprises a guide rod 8 fixedly connected to the upper side walls of the two vertical plates 2, the outer wall of the guide rod 8 on the same side is slidably sleeved with a mounting plate 9, the upper side wall of the mounting plate 9 on the same side is fixedly connected with a motor 10, and the driving end of the motor 10 on the same side is fixedly connected with a gear 11;

[0032] The upper side walls of the mounting plates 19 on the same side are rotatably inserted with rotating shafts 12, the lower ends of the rotating shafts 12 on the same side are rotatably connected with pressure plates, the upper side walls of the pressure plates on the same side are fixedly embedded with bearings 14, the inner rings of the bearings 14 on the same side are fixedly connected to the outer walls of the rotating shafts 12, the tops of the rotating shafts 12 on the same side are fixedly connected to gears 13 meshing with gears 11, the two sides of the two vertical plates 2 away from each other are fixedly connected to load-bearing plates 15, the upper side walls of the load-bearing plates 15 on the same side are fixedly connected to hydraulic cylinders 16, and the ends of the hydraulic cylinders 16 on the same side away from the load-bearing plates 15 are fixedly connected to the lower side walls of the mounting plates 19, the wrapping machine equipment includes motors 17 fixedly connected to the upper side walls of the base 1, the driving end of the motors 17 is fixedly connected to a screw rod 18 extending to the left side, and the left vertical plate 2 is rotatably connected, the outer wall of the screw rod 18 is threadedly connected to a moving block 19 slidably connected to the upper side wall of the base 1;

[0033] The upper side wall of the base 1 is provided with a guide groove matching the moving block 19, the upper side wall of the moving block 19 is fixedly connected with a mounting plate 20, the upper side wall of the mounting plate 20 is symmetrically fixedly connected with a support rod 21, the tops of the two support rods 21 are commonly fixedly connected with a circular plate 22 sleeved on the outside of the wire 33, the inner wall of the circular plate 22 is rotatably connected with a cylinder 23, the outer wall of the cylinder 23 is provided with an annular groove matching the circular plate 22, the outer wall of the cylinder 23 is fixedly sleeved with a gear ring 24 located on the right side of the circular plate 22, the upper side wall of the mounting plate 20 is fixedly connected with a fixing rod 25, the top of the fixing rod 25 The end of the cylinder 23 is fixedly connected with a motor 3 26, and the driving end of the motor 3 26 is fixedly connected with a gear 3 27 meshing with the gear ring 24. The inner wall of the cylinder 23 is provided with a mounting mechanism, which includes a vertical plate 28 symmetrically fixedly connected to the inner top wall of the cylinder 23, and the right side wall of the vertical plate 28 on the left side is rotatably connected with a rotating rod 29 that contacts with the right vertical plate 28, and the lower end of the vertical plate 28 on the right side is provided with a notch 30 that matches the rotating rod 29, and the inner wall of the notch 30 is slidably inserted with a clamping plate 31 that contacts with the outer wall of the rotating rod 29, and the clamping plate 31 and the right vertical plate 28 are fixed by bolts 32;

[0034] The outer wall of the rotating rod 29 is sleeved with a winding drum. First, the three wires 33 are respectively passed through the three threading holes 3, and then the pressing cylinder 7 is removed, and then the two ends of the wires 33 are passed through the guide cylinder 5, and the ends of the wires 33 are placed on the outer wall of the guide cylinder 5, and then the pressing cylinder 7 is sleeved. Secondly, the hydraulic cylinder 16 is started, and the driving end of the hydraulic cylinder 16 drives the mounting plate 19, the rotating shaft 12 and the pressure plate to move downward, so that the pressure plate squeezes and contacts to drive the pressing cylinder 7 to move downward, so that the pressing cylinder 7 completes the fixation of the wire 33, and the wire 33 near the lower end of the guide cylinder 5 is wound around the outer wall of the guide cylinder 5. Finally, the motor 10 is started, and the driving end of the motor 10 drives the gear 11 to rotate counterclockwise, and then drives the gear 2 11, the rotating shaft 12 and the guide cylinder 5 meshing therewith to rotate clockwise, so that the wire 33 continues to be wound around the outer wall of the guide cylinder 5, thereby completing the tensioning and fixing of the wire 33, thereby ensuring the quality of the cable made from the wire 33;

[0035] Tighten the bolt 32 counterclockwise, then take out the clamping plate 31, rotate the rotating rod 29, then replace the winding drum, finally reset the rotating rod 29, and fix the clamping plate 31 with the bolt 32, wind the material on one end of the winding drum around the outside of the wire 33, start the motor 2 17, and the driving end of the motor 2 17 drives the screw rod 18 to rotate clockwise or counterclockwise, thereby driving the moving block 19, the cylinder 23 and the winding drum to move left and right, and at the same time start the motor 3 26, and the driving end of the motor 3 26 is driven by the gear 3 27 to rotate, thereby driving the gear ring 24, the cylinder 23 and the winding drum that are meshed with it to rotate, thereby realizing the winding of the outer wall material of the wire 33, reducing the labor of workers, simple operation, and effectively improving the efficiency of cable production.

[0036] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0037] The operating principle of the present invention is now described as follows:

[0038] During operation, firstly, the three wires 33 are respectively passed through the three threading holes 3, and then the pressing cylinder 7 is removed, and then the two ends of the wires 33 are passed through the guide cylinder 5, and the ends of the wires 33 are placed on the outer wall of the guide cylinder 5, and then the pressing cylinder 7 is put on. Secondly, the hydraulic cylinder 16 is started, and the driving end of the hydraulic cylinder 16 drives the mounting plate 19, the rotating shaft 12 and the pressure plate to move downward, so that the pressure plate squeezes and contacts to drive the pressing cylinder 7 to move downward, so that the pressing cylinder 7 completes the fixation of the wires 33, and the wires 33 near the lower end of the guide cylinder 5 are wound around the outer wall of the guide cylinder 5. Finally, the motor 10 is started, and the driving end of the motor 10 drives the gear 11 to rotate counterclockwise, and then drives the gear 2 11, the rotating shaft 12 and the guide cylinder 5 meshing therewith to rotate clockwise, so that the wires 33 continue to be wound around the outer wall of the guide cylinder 5, thereby completing the tensioning and fixing of the wires 33, thereby ensuring the quality of the cables made from the wires 33.

[0039] Tighten the bolt 32 counterclockwise, then take out the clamping plate 31, rotate the rotating rod 29, then replace the winding drum, finally reset the rotating rod 29, and fix the clamping plate 31 with the bolt 32, wind the material on one end of the winding drum around the outside of the wire 33, start the motor 2 17, and the driving end of the motor 2 17 drives the screw rod 18 to rotate clockwise or counterclockwise, thereby driving the moving block 19, the cylinder 23 and the winding drum to move left and right, and at the same time start the motor 3 26, and the driving end of the motor 3 26 is driven by the gear 3 27 to rotate, thereby driving the gear ring 24, the cylinder 23 and the winding drum that are meshed with it to rotate, thereby realizing the winding of the outer wall material of the wire 33, reducing the labor of workers, simple operation, and effectively improving the efficiency of cable production.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tape wrapping machine for producing mineral insulated flexible fire-resistant cables, comprising a base and a wrapping machine device, characterized in that: The upper side walls of the base are symmetrically fixedly connected with vertical plates, and the side walls of the two vertical plates are penetrated with three threading holes. The two vertical plates are fixedly connected with a horizontal plate on the side away from each other, and the upper side walls of the horizontal plates on the same side are rotatably inserted with guide cylinders, the lower end outer walls of the two guide cylinders are fixedly sleeved with limit plates, the outer walls of the two guide cylinders are slidably sleeved with pressure cylinders, and wires are arranged inside the threading holes. The upper side walls of the two vertical plates are provided with driving mechanisms, and the wrapping machine equipment includes motor 2 fixedly connected to the upper side wall of the base, and the driving end of the motor 2 is fixedly connected to a screw rod extending to the left side, and the left vertical plate is rotatably connected The outer wall of the screw rod is threadedly connected with a moving block which is slidably connected to the upper side wall of the base, the upper side wall of the moving block is fixedly connected with a mounting plate 2, the upper side wall of the mounting plate 2 is symmetrically fixedly connected with a support rod, the top ends of the two support rods are commonly fixedly connected with a circular ring plate sleeved on the outside of the wire, the inner wall of the circular ring plate is rotatably connected with a cylinder, the outer wall of the cylinder is fixedly sleeved with a gear ring located on the right side of the circular ring plate, the upper side wall of the mounting plate 2 is fixedly connected with a fixing rod, the top end of the fixing rod is fixedly connected with a motor 3, the driving end of the motor 3 is fixedly connected with a gear 3 meshing with the gear ring, and a mounting mechanism is provided on the inner wall of the cylinder.

2. The tape wrapping machine for producing mineral insulated flexible fire-resistant cables according to claim 1, characterized in that: The driving mechanism includes a guide rod fixedly connected to the upper side walls of the two vertical plates, the outer wall sliding sleeve of the guide rod located on the same side is provided with a mounting plate 1, the upper side wall of the mounting plate 1 located on the same side is fixedly connected with a motor 1, the driving end of the motor 1 located on the same side is fixedly connected with a gear 1, the upper side wall of the mounting plate 1 located on the same side is rotatably inserted with a rotating shaft, the lower end of the rotating shaft located on the same side is rotatably connected with a pressure plate, the top end of the rotating shaft located on the same side is fixedly connected with a gear 2 meshing with gear 1, the side away from the two vertical plates is fixedly connected with a load-bearing plate, the upper side wall of the load-bearing plate located on the same side is fixedly connected with a hydraulic cylinder, and the end of the hydraulic cylinder located on the same side away from the load-bearing plate is fixedly connected to the lower side wall of the mounting plate 1.

3. The tape wrapping machine for producing mineral insulated flexible fire-resistant cables according to claim 2, characterized in that: The upper side walls of the pressure plates on the same side are fixedly embedded with bearings, and the inner rings of the bearings on the same side are fixedly connected to the outer wall of the rotating shaft.

4. The tape wrapping machine for producing mineral insulated flexible fire-resistant cables according to claim 3, characterized in that: The upper side wall of the base is provided with a guide groove matching the moving block.

5. The tape wrapping machine for producing mineral insulated flexible fire-resistant cables according to claim 4, characterized in that: The outer wall of the cylinder is provided with an annular groove matching the annular plate.

6. The tape wrapping machine for producing mineral insulated flexible fire-resistant cables according to claim 5, characterized in that: The mounting mechanism includes a vertical plate symmetrically fixedly connected to the inner top wall of the cylinder, the right side wall of the vertical plate on the left side is rotatably connected to a rotating rod that is in contact with the right side vertical plate, the lower end of the vertical plate on the right side is provided with a notch matching the rotating rod, the inner wall of the notch is slidably inserted with a clamping plate that is in contact with the outer wall of the rotating rod, the clamping plate and the right side vertical plate are fixed by bolts, and the outer wall of the rotating rod is sleeved with a winding drum.

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