Coiling machine convenient to use

Abstract

The utility model relates to a coiling machine convenient to use, which comprises a base, a driving mechanism is arranged above the base, a shaft roller is arranged at the side part of the driving mechanism, the driving mechanism is used for driving the shaft roller to rotate, a plurality of first guide holes are formed in the shaft roller around the axis of the shaft roller in an array manner, and first guide rods are arranged in the first guide holes in a sliding manner; expansion tiles are fixed to the ends, extending to the outside, of the first guide rods correspondingly, a plurality of second guide holes are formed in the shaft roller around the axis of the shaft roller in an array mode, the second guide holes and the first guide holes are formed at intervals, first pistons are installed in the second guide holes correspondingly, and second guide rods are connected to the first pistons. When the expansion strips extrude the expansion tiles to the limiting positions, the outer edge of the cross section of a whole formed by all the expansion tiles and all the expansion strips is in a perfect circle shape, the matching precision of micro gaps is kept between the expansion tiles and the expansion strips, large gaps are eliminated, waste products caused by impressions on products are avoided, the flatness of the surface of a strip steel coil material is improved, and the production efficiency is improved. Therefore, additional bushings are not needed, and the cost investment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coiling machines, and specifically relates to a coiling machine that is convenient to use. Background Technique

[0002] A coiling machine is a machine used to wind materials into reels or spools. This kind of machine is widely used in industries such as textile, printing, and packaging. A coiling machine usually includes a main shaft driven by an electric motor for coiling materials, and a series of auxiliary devices such as a tension control device, counter rollers, cutting devices, etc., to ensure the quality and stability of material coiling.

[0003] When using a traditional coiling machine to wind strip steel into a coil, additional steel liners, paper liners, or rubber sleeves need to be added to the coiling drum of the coiling machine to avoid quality defects such as imprints on the steel coil. As spare parts, steel liners, paper liners, or rubber sleeves have a large inventory and a high capital occupancy, which undoubtedly increases the production input cost. In addition, when adding accessories such as steel liners, paper liners, or rubber sleeves, the liners need to be removed during the blanking of the strip steel coil, and new liners need to be reinstalled during the next winding, resulting in a time-consuming and laborious blanking process for the strip steel coil. Content of the Utility Model

[0004] The purpose of the utility model is to provide a coiling machine that is convenient to use to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution.

[0006] A coiling machine that is convenient to use includes a base. Above the base is provided a driving mechanism. On the side of the driving mechanism is provided a shaft roller. The driving mechanism is used to drive the shaft roller to rotate. Around the axis of the shaft roller are arranged a number of first guide holes in an array. In each first guide hole is slidably installed a first guide rod. The end of the first guide rod extending to the outside is respectively fixed with an expansion tile. Around the axis of the shaft roller are arranged a number of second guide holes in an array. The second guide holes are arranged at intervals with the first guide holes. In each second guide hole is installed a first piston. Connected to the first piston is a second guide rod. The end of the second guide rod extending to the outside is respectively installed with an expansion strip. The two ends of the expansion strip are respectively in extrusion fit with the inclined surfaces of the expansion tiles on both sides. Inside the shaft roller is provided a pressure regulating mechanism. The pressure regulating mechanism is used to realize pressurization or depressurization in the second guide holes. When the expansion strip extrudes the expansion tile to the limit position, the outer edge of the cross-section of the whole formed by all the expansion tiles and all the expansion strips is a perfect circle.

[0007] Further, the pressure regulating mechanism includes a second piston, a connecting rod, and a first oil cylinder. Inside the shaft roller is provided a shaft hole extending along its length direction. The second piston and the first oil cylinder are arranged in the shaft hole. One end of the connecting rod is connected to the second piston. The first oil cylinder is fixed to the end of the shaft roller. The telescopic rod of the first oil cylinder penetrates and extends into the shaft hole and is fixed to the other end of the connecting rod.

[0008] Furthermore, the driving mechanism includes a fixed seat, a driving motor and a gear box. The gear box is fixed on the upper surface of the base. The driving motor is fixed on the upper surface of the base through the fixed seat and is located on one side of the gear box. The output shaft of the driving motor is fixedly connected to the input end of the gear box, and the shaft roller is fixed on the output end of the gear box.

[0009] Furthermore, an inner hole is provided in the first guide rod, and a limiting hole that penetrates the inner hole is provided at one end of the first guide rod away from the expansion shoe. A limiting rod is fixed on the inner end wall of the first guide hole, and the limiting rod slides through the limiting hole and extends into the inner hole. A limiting cap that can slide in the inner hole is fixed on the end of the limiting rod extending into the inner hole, and the diameter of the limiting cap is larger than the aperture of the limiting hole.

[0010] Furthermore, an auxiliary rolling mechanism is also provided on the top of the gear box, which includes a bracket, a rotating shaft, a mounting arm, a pressure roller, a second oil cylinder and a pulling arm. The two brackets are fixed on the top of the gear box, the rotating shaft is rotatably mounted on the two brackets, and one end extends to the upper side of the expansion shoe, the two mounting arms are fixedly sleeved on the rotating shaft, a pressure roller is installed between the two mounting arms, and a mounting sleeve is rotatably sleeved on the outside of the pressure roller, the pulling arm is fixed on the rotating shaft, one end of the second oil cylinder is hinged to the side of the gear box, and the other end is hinged to the pulling arm.

[0011] Furthermore, a lubrication system is provided in the gear box, and the lubrication system includes a pressure pump, a flow guide pipe, a shunt pipe, a connecting pipe and an inlet pipe. The pressure pump is fixed on the inner side wall of the gear box, the flow guide pipe is fixed on the inner top wall of the gear box, one end of the connecting pipe is connected to the output end of the pressure pump, and the other end is connected to the flow guide pipe, one end of the inlet pipe is connected to the input end of the pressure pump, and the other end of the inlet pipe extends to be submerged in the lubricating oil at the bottom of the gear box, and a number of shunt pipes are installed on the flow guide pipe, and nozzles aimed at the gear transmission parts are installed at the ends of the shunt pipes.

[0012] Furthermore, a liquid flow detector is installed inside the connecting pipe, and an electric pressure regulating valve is also installed on the connecting pipe.

[0013] Furthermore, an electric flow regulating valve is installed on the shunt pipe.

[0014] Furthermore, the end of the inlet pipe submerged in the lubricating oil is connected to an inlet cylinder, and a filter screen is installed in the inlet cylinder.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0016] 1. When the pressure regulating mechanism of the present utility model works to increase the pressure in all the second guide holes, the pressure in the second guide holes increases, which in turn pushes the first piston and the second guide rod to slide outward, thereby pushing the expansion strip inclined surface to squeeze the expansion tiles on both sides to move. When the expansion strip squeezes the expansion tiles to the limit position, the outer edge of the cross-section of the whole formed by all the expansion tiles and all the expansion strips is a perfect circle, and a micro-gap fitting accuracy is maintained between the expansion tiles and the expansion strips, eliminating the large gap, avoiding causing imprints on the product and generating defective products, improving the flatness of the surface of the strip coil, so that there is no need to additionally provide a lining cylinder, reducing the cost investment.

[0017] 2. When the pressure regulating mechanism of the present utility model works to reduce the pressure in the second guide holes, it drives the first piston and the second guide rod to reset, so that the pressing of the expansion strip on the expansion tiles can be cancelled, enabling the expansion tiles to be movable, and further ensuring the contraction of the expansion tiles and generating a gap between the expansion tiles and the inner wall of the coil, thus facilitating the unloading of the coil from the shaft roller without disassembling and assembling parts, making the unloading process time-saving and labor-saving, and having higher efficiency. Brief Description of the Drawings

[0018] Figure 1 is one of the three-dimensional schematic diagrams of the overall structure of the present utility model;

[0019] Figure 2 is the second sectional schematic diagram of the overall structure of the present utility model;

[0020] Figure 3 is the structural layout schematic diagram of the expansion tiles and the expansion strips in the present utility model;

[0021] Figure 4 is the detailed structural schematic diagram of the pressure regulating mechanism in the present utility model;

[0022] Figure 5 is the structural installation schematic diagram of the limiting rod and the limiting cap in the present utility model;

[0023] Figure 6 is the structural schematic diagram of the lubrication system in the gearbox of the present utility model;

[0024] Figure 7 is the detailed structural schematic diagram of the inlet pipe in the present utility model.

[0025] In the figure: 1, base; 2, driving mechanism; 21, fixed seat; 22, driving motor; 23, gearbox; 3, shaft roller; 31, first guide hole; 311, limiting rod; 312, limiting cap; 32, first guide rod; 321, inner hole; 322, limiting hole; 33, second guide hole; 34, first piston; 35, second guide rod; 4, expansion tile; 5, expansion strip; 6, pressure regulating mechanism; 601, shaft hole; 61, second piston; 62, connecting rod; 63, first oil cylinder; 7, coiling assisting mechanism; 71, bracket; 72, rotating shaft; 73, mounting arm; 74, pressing roller; 741, mounting sleeve; 75, second oil cylinder; 76, pulling arm; 8, pressure pump; 81, diversion pipe; 82, shunt pipe; 821, nozzle; 822, electric flow regulating valve; 83, connecting pipe; 831, liquid flow detector; 832, electric pressure regulating valve; 84, inlet pipe; 841, inlet cylinder; 842, filter screen. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "connection", "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or an inseparable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct communication or an indirect communication through an intermediate medium. Among them, "fixing" means that they are connected to each other and the relative position relationship after connection remains unchanged. The orientation terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only references to the directions of the accompanying drawings. Therefore, the orientation terms used are for better and clearer description and understanding of the embodiments of the present invention, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the embodiments of the present invention.

[0028] In the embodiments of the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0029] Please refer to Figures 1-7, a coiler that is convenient to use provided by the utility model includes a base 1. A driving mechanism 2 is arranged above the base 1. A shaft roller 3 is arranged on the side of the driving mechanism 2. The driving mechanism 2 is used to drive the shaft roller 3 to rotate, wind the strip steel on the shaft roller 3, and drive the shaft roller 3 to rotate through the operation of the driving mechanism 2, so as to wind the strip steel into a strip steel coil.

[0030] A number of first guide holes 31 are arranged around the axis of the shaft roller 3. First guide rods 32 are slidably installed in the first guide holes 31 respectively. Expansion tiles 4 are fixed on the ends of the first guide rods 32 extending to the outside. A number of second guide holes 33 are arranged around the axis of the shaft roller 3. The second guide holes 33 are arranged at intervals with the first guide holes 31. It can be understood that there is a first guide hole 31 between two adjacent second guide holes 33 around the outer edge of the shaft roller 3. Similarly, there is a second guide hole 33 between two adjacent first guide holes 31 around the outer edge of the shaft roller 3.

[0031] First pistons 34 are installed in the second guide holes 33 respectively. Second guide rods 35 are connected to the first pistons 34. Expansion strips 5 are installed on the ends of the second guide rods 35 extending to the outside. The two ends of the expansion strips 5 are in inclined surface extrusion fit with the expansion tiles 4 on both sides respectively. A pressure regulating mechanism 6 is arranged in the shaft roller 3. The pressure regulating mechanism 6 is used to increase or decrease the pressure in the second guide holes 33. When the pressure regulating mechanism 6 works to increase the pressure in all the second guide holes 33, the pressure in the second guide holes 33 increases, and then the first pistons 34 and the second guide rods 35 are pushed to slide outwards, so as to push the expansion strips 5 to extrude the expansion tiles 4 on both sides to move. When the expansion strips 5 extrude the expansion tiles 4 to the limit position, the outer edge of the cross-section of the whole formed by all the expansion tiles 4 and all the expansion strips 5 is a perfect circle. A micro-gap fitting accuracy is maintained between the expansion tiles 4 and the expansion strips 5, eliminating large gaps, avoiding producing waste products due to imprints on the product, improving the flatness of the surface of the strip steel coil, so that there is no need to add an additional liner, and the cost input is reduced.

[0032] In addition, by reducing the pressure in the second guide holes 33 through the operation of the pressure regulating mechanism 6, the first pistons 34 and the second guide rods 35 are driven to reset, so as to cancel the pressing of the expansion strips 5 on the expansion tiles 4, enabling the expansion tiles 4 to be movable, and then ensuring that the expansion tiles 4 contract and a gap is generated between the expansion tiles 4 and the inner wall of the coil, so as to facilitate unloading the coil from the shaft roller 3, and there is no need to disassemble and assemble parts, making the unloading process time-saving and labor-saving, and with higher efficiency.

[0033] Specifically, the pressure regulating mechanism 6 includes a second piston 61, a connecting rod 62, and a first oil cylinder 63. An axial hole 601 extending along the length direction is provided in the shaft roller 3. The second piston 61 and the first oil cylinder 63 are arranged in the axial hole 601. One end of the connecting rod 62 is connected to the second piston 61. The first oil cylinder 63 is fixed to the end of the shaft roller 3. The telescopic rod of the first oil cylinder 63 penetrates and extends into the axial hole 601 and is fixedly connected to the other end of the connecting rod 62. By the first oil cylinder 63 working in an extended manner, under the connection action of the connecting rod 62, a part of the gas in the axial hole 601 is pressed into the second guide hole 33 by the second piston 61. Furthermore, the pressure in the second guide hole 33 increases, which can push the first piston 34 and the second guide rod 35 to move outwards, providing stable drive for the expansion strip 5 to push the expansion tile 4. When the first oil cylinder 63 retracts, it drives the second piston 61 to slide back to its original position. Under the action of the air pressure balance principle, it can drive the first piston 34 and the second guide rod 35 to slide back to their original positions, thereby canceling the inclined extrusion of the expansion strip 5 on the expansion tile 4.

[0034] Specifically, the driving mechanism 2 includes a fixed seat 21, a driving motor 22, and a gearbox 23. The gearbox 23 is fixed on the upper surface of the base 1. The driving motor 22 is fixed on the upper surface of the base 1 through the fixed seat 21 and is located on one side of the gearbox 23. The output shaft of the driving motor 22 is fixedly connected to the input end of the gearbox 23. The shaft roller 3 is fixed on the output end of the gearbox 23. By the driving motor 22 working, its output shaft drives the input end of the gearbox 23 to rotate. The gearbox 23 adjusts the torque and speed and drives the shaft roller 3 to rotate through the output end, providing stable drive for the winding of the strip steel and optimizing the efficiency of mechanical transmission and reducing energy loss.

[0035] Specifically, inner holes 321 are provided in the first guide rods 32. A limiting hole 322 communicating with the inner hole 321 is provided at one end of the first guide rod 32 away from the expansion tile 4. A limiting rod 311 is fixed on the inner end wall of the first guide hole 31. The limiting rod 311 slidably penetrates through the limiting hole 322 and extends into the inner hole 321. A limiting cap 312 that can slide in the inner hole 321 is fixed on the end of the limiting rod 311 extending into the inner hole 321. The diameter of the limiting cap 312 is larger than the aperture of the limiting hole 322. During the movement of the expansion tile 4, through the dimensional fit between the limiting cap 312 and the limiting hole 322, the limiting cap 312 is used to achieve a blocking and limiting effect, which can prevent the first guide rod 32 from sliding out of the first guide hole 31 randomly and causing the expansion tile 4 to fall off.

[0036] Specifically, a coiling assisting mechanism 7 is further provided at the top of the gearbox 23. The coiling assisting mechanism 7 includes a bracket 71, a rotating shaft 72, mounting arms 73, a pressing roller 74, a second oil cylinder 75 and a pulling arm 76. The two brackets 71 are fixed to the top of the gearbox 23. The rotating shaft 72 is rotatably mounted on the two brackets 71, and one end extends above the side of the expansion tile 4. The two mounting arms 73 are fixedly sleeved on the rotating shaft 72. A pressing roller 74 is mounted between the two mounting arms 73. An installation sleeve 741 is rotatably sleeved outside the pressing roller 74. The pulling arm 76 is fixed to the rotating shaft 72. One end of the second oil cylinder 75 is hinged to the side of the gearbox 23, and the other end is hinged to the pulling arm 76. By the extension of the second oil cylinder 75, the rotating shaft 72 is driven to rotate under the connection action of the pulling arm 76. The rotating rotating shaft 72 can drive the pressing roller 74 to swing downward. The strip steel is pressed against the expansion tile 4 through the installation sleeve 741 on the pressing roller 74, which can ensure that the end of the strip steel falls off the expansion tile 4 at the initial stage of coiling, realizing the fixing effect of the strip steel end at the initial stage of coiling. When the second oil cylinder 75 retracts, it drives the rotating shaft 72 to reverse, thereby driving the pressing roller 74 to swing upward and reset, that is, making space for the normal coiling of the strip steel.

[0037] Specifically, a lubrication system is provided in the gearbox 23. The lubrication system includes a pressure pump 8, a diversion pipe 81, a shunt pipe 82, a connecting pipe 83 and an inlet pipe 84. The pressure pump 8 is fixed on the inner side wall of the gearbox 23. The diversion pipe 81 is fixed on the inner top wall of the gearbox 23. One end of the connecting pipe 83 is communicated with the output end of the pressure pump 8, and the other end is communicated with the diversion pipe 81. One end of the inlet pipe 84 is connected to the input end of the pressure pump 8, and the other end of the inlet pipe 84 extends and is submerged in the lubricating oil at the inner bottom of the gearbox 23. A number of shunt pipes 82 are communicated and installed on the diversion pipe 81. Spray nozzles 821 for aligning the gear transmission parts are installed at the ends of the shunt pipes 82. By the operation of the pressure pump 8, the lubricating oil accumulated at the inner bottom of the gearbox 23 is pumped through the inlet pipe 84 and the connecting pipe 83 into the diversion pipe 81, and finally flows into the shunt pipes 82 and is sprayed onto the gear transmission parts by the spray nozzles 821, thereby achieving the lubrication effect on the mechanical transmission parts.

[0038] Specifically, a liquid flow detector 831 is installed inside the connecting pipe 83. The flow condition of the lubricating oil in the connecting pipe 83 can be monitored through the liquid flow detector 831. Once an abnormality is detected, such as too low or stagnant lubricating oil flow, a signal is sent by the liquid flow detector 831, and the system alarm is triggered, and the operation of the lubrication device is automatically stopped to prevent gear damage or other adverse conditions. An electric pressure regulating valve 832 is also installed on the connecting pipe 83. The electric pressure regulating valve 832 can control the pressure of the lubricating oil to ensure that the lubrication system can provide sufficient lubricating oil pressure within a safe range. This can prevent damage to the pipeline or lubrication points caused by too high lubricating oil pressure, and can also avoid poor lubrication effect caused by too low pressure, thus ensuring the normal operation of the equipment.

[0039] Specifically, an electric flow regulating valve 822 is installed on the flow divider pipe 82. The electric flow regulating valve 822 can control the flow rate of the lubricating oil to ensure that the amount of lubricating oil provided by the lubrication system matches the actual needs. This can avoid excessive or insufficient lubricating oil, thereby ensuring that mechanical equipment such as gears is properly lubricated and extending the service life of the equipment.

[0040] Specifically, the end of the inlet flow pipe 84 that is submerged in the lubricating oil is connected to an inlet flow cylinder 841. A filter screen 842 is installed in the inlet flow cylinder 841. By providing the inlet flow cylinder 841 and the filter screen 842, debris generated by long-term mechanical component wear in the lubricating oil can be filtered, preventing it from flowing back onto the mechanical components and increasing the wear degree, thus protecting the mechanical components.

[0041] The gearbox 23 is designed for internal oil circuit lubrication, with functions of flow regulation, pressure regulation, and liquid flow detection. When the lubrication conditions are poor, it actively sends an alarm signal to the system, avoiding accidents such as overheating and damage of the gear bearings, reducing the maintenance workload, and providing more installation space for the coiling mechanism 7. The oil volume is precisely controlled, which is both energy-saving and environmentally friendly.

[0042] When the liquid flow detector 831 detects a jam or insufficient flow of the lubricating oil, an oil shortage alarm can be issued, promptly reminding to replenish the oil in the gearbox 23 to ensure the long-term stable operation of the gearbox 23.

[0043] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A coiler convenient to use, comprising a base (1), characterized in that: A driving mechanism (2) is arranged above the base (1), and a shaft roller (3) is arranged on the side of the driving mechanism (2), and the driving mechanism (2) is used to drive the shaft roller (3) to rotate; A plurality of first guide holes (31) are arranged around the axis of the shaft roller (3), and first guide rods (32) are slidably installed in the first guide holes (31), and expanding tiles (4) are respectively fixed on the ends of the first guide rods (32) extending to the outside; A plurality of second guide holes (33) are arranged around the axis of the shaft roller (3), the second guide holes (33) are arranged at intervals with the first guide holes (31), first pistons (34) are installed in the second guide holes (33), second guide rods (35) are connected to the first pistons (34), and expanding strips (5) are respectively installed on the ends of the second guide rods (35) extending to the outside; Both ends of the expanding strip (5) are in extrusion fit with the inclined surfaces of the expanding tiles (4) on both sides correspondingly; A pressure regulating mechanism (6) is arranged in the shaft roller (3), and the pressure regulating mechanism (6) is used to realize pressurization or decompression in the second guide holes (33); When the expanding strip (5) extrudes the expanding tile (4) to the limit position, the outer edge of the cross-section of the whole formed by all the expanding tiles (4) and all the expanding strips (5) is a perfect circle.

2. The coiler convenient to use according to claim 1, characterized in that: The pressure regulating mechanism (6) includes a second piston (61), a connecting rod (62) and a first oil cylinder (63); A shaft hole (601) extending along the length direction of the shaft roller (3) is arranged in the shaft roller (3), the second piston (61) and the first oil cylinder (63) are arranged in the shaft hole (601), and one end of the connecting rod (62) is connected to the second piston (61); The first oil cylinder (63) is fixed on the end of the shaft roller (3), and the telescopic rod of the first oil cylinder (63) penetrates and extends into the shaft hole (601) and is fixedly connected to the other end of the connecting rod (62).

3. The coiler convenient to use according to claim 1, characterized in that: The driving mechanism (2) includes a fixed seat (21), a driving motor (22) and a gear box (23); The gear box (23) is fixed on the upper surface of the base (1), the driving motor (22) is fixed on the upper surface of the base (1) through the fixed seat (21) and is located on one side of the gear box (23); The output shaft of the driving motor (22) is fixedly connected to the input end of the gear box (23), and the shaft roller (3) is fixed on the output end of the gear box (23).

4. The coiler convenient to use according to claim 1, characterized in that: Inner holes (321) are arranged in the first guide rods (32), and limit holes (322) communicating with the inner holes (321) are arranged at one ends of the first guide rods (32) far away from the expanding tiles (4); A limiting rod (311) is fixed on the inner end wall of the first guide hole (31), and the limiting rod (311) slides through the limiting hole (322) and extends into the inner hole (321); A limiting cap (312) that can slide in the inner hole (321) is fixed to the end of the limiting rod (311) extending into the inner hole (321), and the diameter of the limiting cap (312) is larger than the aperture of the limiting hole (322).

5. A convenient-to-use coiler according to claim 3, characterized in that: A rolling assistance mechanism (7) is also provided on the top of the gear box (23), and the rolling assistance mechanism (7) comprises a bracket (71), a rotating shaft (72), a mounting arm (73), a pressure roller (74), a second oil cylinder (75) and a pulling arm (76); The two brackets (71) are fixed on the top of the gear box (23); the rotating shaft (72) is rotatably mounted on the two brackets (71), and one end of the rotating shaft extends to the upper side of the expansion shoe (4); The two mounting arms (73) are fixedly sleeved on the rotating shaft (72), a pressure roller (74) is installed between the two mounting arms (73), and a mounting sleeve (741) is rotatably sleeved on the outside of the pressure roller (74); The pulling arm (76) is fixed on the rotating shaft (72); one end of the second oil cylinder (75) is hinged to the side of the gear box (23), and the other end is hinged to the pulling arm (76).

6. A convenient-to-use coiler according to claim 3, characterized in that: The gear box (23) is provided with a lubrication system, which includes a pressure pump (8), a flow guide pipe (81), a flow distribution pipe (82), a connecting pipe (83) and a flow inlet pipe (84); The pressure pump (8) is fixed on the inner side wall of the gear box (23), and the flow guide pipe (81) is fixed on the inner top wall of the gear box (23); One end of the connecting pipe (83) is connected to the output end of the pressure pump (8), and the other end is connected to the flow guide pipe (81); One end of the inlet pipe (84) is connected to the input end of the pressure pump (8), and the other end of the inlet pipe (84) extends to be submerged in the lubricating oil at the bottom of the gear box (23); A plurality of flow diversion pipes (82) are installed in communication with each other on the flow guide pipe (81), and nozzles (821) aligned with the gear transmission member are installed in communication with each other at the ends of the flow diversion pipes (82).

7. A convenient-to-use coiler according to claim 6, characterized in that: A liquid flow detector (831) is installed inside the connecting pipe (83), and an electric pressure regulating valve (832) is also installed on the connecting pipe (83).

8. A convenient-to-use coiler according to claim 6, characterized in that: An electric flow regulating valve (822) is installed on the diverter pipe (82).

9. A convenient-to-use coiler according to claim 6, characterized in that: The end of the inlet pipe (84) submerged in the lubricating oil is connected to an inlet cylinder (841) in communication, and a filter screen (842) is installed in the inlet cylinder (841).

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