Transmission device of thick-wall pipe making machine

Abstract

The utility model discloses a transmission device of a thick-wall pipe making machine, which relates to the technical field of pipe making machines and comprises a plurality of flat roll devices and hard tooth surface reduction gearboxes, the flat roll devices and the hard tooth surface reduction gearboxes are respectively mounted on a first base and a second base, and the flat roll devices are connected with the first reduction gearboxes through transmission parts. A first reduction gearbox is arranged on one side of the hard tooth surface reduction gearbox, the first reduction gearbox is connected with a driving motor, the hard tooth surface reduction gearbox is connected with the first reduction gearbox through a shaft sleeve piece, and the flat roller devices and the hard tooth surface reduction gearboxes are arranged on the first base and the second base in parallel in a mode that two flat roller devices and two hard tooth surface reduction gearboxes form a group. The utility model has the beneficial effects that a plurality of flat roll devices are arranged, so that the whole pipe fitting is uniformly stressed, and the pipe manufacturing quality is ensured; the hard tooth surface reduction gearbox has high torque and large output torque; the structure is simple, the shaft sleeve piece is connected with the hard tooth surface reduction gearbox and the first reduction gearbox, and transmission force and movement continuity between the hard tooth surface reduction gearbox and the first reduction gearbox are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe making machines, in particular to a transmission device of a thick-walled pipe making machine. Background Art

[0002] A thick-walled pipe making machine is a device used for processing and manufacturing thick-walled pipes. Typically, manufacturing thick-walled pipes requires multiple steps, such as cutting, forming, heat treatment, and cold working, requiring specialized rotating devices. The Chinese patent document (Application Number: CN202210836569.6, Patent Title: A Novel Pipe Making Machine) discloses the following technical details: "It comprises a base connected to a shaping unit via a hydraulic assembly. The shaping unit comprises multiple shaping mechanisms, each containing multiple molds, and synchronized motion via a synchronization mechanism. The shaping mechanisms are secured by hydraulic pressure plates and clips. Installation and removal of the shaping mechanisms can be achieved by switching hydraulic valves, making assembly and disassembly of the shaping mechanisms easier, providing more flexible assembly and setup, and facilitating transport and assembly of the pipe making unit. The use of synchronous pulleys and belts for synchronous transmission reduces mechanical vibration. The optimized mounting positions of the first synchronous pulley and belt, as well as the use of high-precision bearings, ensure stable operation, more stable pipe feeding, better forming results, and higher product precision." However, the problems with the above technology are low power transmission efficiency, high energy consumption, small output torque, high maintenance cost, and inability to adapt to pipes of different diameters. Therefore, a transmission device for a thick-walled pipe cutting machine is urgently needed to solve the above problems. Utility Model Content

[0003] In view of the above technical defects, the present invention provides a transmission device for a thick-walled pipe cutting machine to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a transmission device of a thick-walled pipe cutting machine, comprising several flat roller devices and a hard-toothed surface reduction gearbox, the flat roller devices and the hard-toothed surface reduction gearbox are respectively installed on a first base and a second base, the flat roller device and the first reduction gearbox are connected through a transmission member, a first reduction gearbox is provided on one side of the hard-toothed surface reduction gearbox, the first reduction gearbox is connected to a drive motor, the hard-toothed surface reduction gearbox and the first reduction gearbox are connected through a shaft kit, the flat roller device and the hard-toothed surface reduction gearbox are grouped together and arranged in parallel on the first base and the second base.

[0005] Preferably, the flat roller device includes an upper flat roller and a lower flat roller, the upper flat roller and the lower flat roller are arranged in parallel and axially perpendicular to the long side of the first base, the lower flat roller is fixedly installed at the bottom of the first frame and the second frame, the upper flat roller is slidingly connected to the first frame and the second frame, and the ends of the upper flat roller and the lower flat roller in the same direction are respectively connected to the hard tooth surface reduction box through the transmission member.

[0006] Preferably, sliders are nested and installed in the first frame and the second frame, the upper flat roller is fixedly connected between the two sliders, a second vertical rod is provided on the top of the first frame, and a first vertical rod is provided on the top of the second frame, the first vertical rod and the second vertical rod are respectively connected to the sliders, a second motor is provided on one side of the first vertical rod, the second motor is connected to the first vertical rod through a second reduction gearbox, and the second reduction gearbox is connected to the second vertical rod through a synchronous shaft.

[0007] Preferably, the hardened gear reducer includes a first gear and a second gear, the first gear and the second gear are rotatably connected to the outer shell, a second transmission shaft is provided at one end of the first gear, a fourth transmission shaft is provided at one end of the second gear, and a third transmission shaft is provided at the other end, the second transmission shaft and the third transmission shaft are located on the same side of the outer shell, and a top cover is detachably connected to the top of the outer shell.

[0008] Preferably, a first commutator and a second commutator are respectively provided at both ends of the transmission member, a main transmission shaft is between the first commutator and the second commutator, a first connecting shaft and a second connecting shaft are respectively nested outside the first commutator and the second commutator, the first connecting shaft is connected to the second transmission shaft, and the second connecting shaft is connected to the upper flat roller.

[0009] Preferably, four assembly parts are provided on the first commutator, and the first commutator is connected to the first coupling member through a spring buckle.

[0010] Preferably, the shaft kit includes a third connecting member and a fourth connecting member, and the third connecting member and the fourth connecting member are fastened together by screws and washers.

[0011] Preferably, a first transmission shaft is provided at one end of the first reduction gearbox, and the first transmission shaft is fixedly connected to the shaft kit.

[0012] Compared with the prior art, the transmission device of the thick-walled pipe making machine of the utility model has the following beneficial effects: a plurality of flat roller devices are provided to uniformly stress the entire pipe during the pipe making process, thereby ensuring the quality of the pipe making; it has a high-torque, hard-toothed reducer, which can slow down the motor speed and greatly increase the transmitted torque, ensuring that the power requirements of thick-walled pipe production are met; it is composed of K / R combination hard gears with any combination of speed ratios of 1000-4000, with large output torque, which can meet the power requirements of thick-walled pipe production; it has a simple structure, and the shaft kit connects the hard-toothed reducer and the first reducer to ensure the transmission force and movement continuity between them. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 It is a front structural diagram of the transmission device;

[0015] Figure 3 It is a structural schematic diagram of the flat roller device;

[0016] Figure 4 This is a structural diagram of a hardened gear reducer;

[0017] Figure 5 It is a structural diagram of the transmission parts;

[0018] Figure 6 It is a structural diagram of the shaft kit;

[0019] Figure 7 It is a structural diagram of the transmission parts.

[0020] In the figure: 1-first base, 2-second base, 3-flat roller device, 301-first frame, 302-second frame, 303-upper flat roller, 304-lower flat roller, 305-first vertical rod, 306-second vertical rod, 307-synchronizing shaft, 308-second motor, 309-second reduction box, 310-slider, 4-transmission member, 401-main transmission shaft, 402-first connecting shaft, 403-second connecting shaft, 404-first commutator, 40401-spring buckle, 405-second commutator, 5-hardened gearbox, 501-housing, 502-top cover, 503-first gear, 504-second gear, 505-second transmission shaft, 506-third transmission shaft, 507-fourth transmission shaft, 6-axis kit, 601-third connecting shaft, 602-fourth connecting shaft, 603-washer, 604-screw, 7-first reduction gearbox, 701-first transmission shaft, 8-drive motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Please see the attached Figures 1-7 The utility model provides an embodiment of a transmission device for a thick-walled pipe cutting machine, comprising a plurality of flat roller devices 3 and a hardened gearbox 5. The flat roller devices 3 and the hardened gearbox 5 are respectively mounted on a first base 1 and a second base 2. The flat roller devices 3 and the first gearbox 7 are connected via a transmission member 4. A first gearbox 7 is provided on one side of the hardened gearbox 5. The first gearbox 7 is connected to a drive motor 8. The hardened gearbox 5 and the first gearbox 7 are connected via a shaft kit 6. The flat roller devices 3 and the hardened gearbox 5 form a group of two and are arranged in parallel on the first base 1 and the second base 2. The shaft kit 6 includes a third coupling 601 and a fourth coupling 602. The third coupling 601 and the fourth coupling 602 are fastened together by screws 604 and washers 603. A first transmission shaft 701 is provided at one end of the first gearbox 7. The first transmission shaft 701 is fixedly connected to the shaft kit 6.

[0023] Multiple flat rollers 3 ensure uniform stress distribution throughout the pipe during the production process. Individual flat rollers 3 can also be configured to deliver specific pressure to the pipe, according to process requirements, forcing it into a desired shape. The hardened gearbox 5, a key component of the transmission, is installed between the flat rollers 3 and the first gearbox 7. It slows the motor speed while significantly increasing the torque delivered. The hardened gearbox 5 utilizes a combination of K / R hardened gears with a high speed ratio of 1000-4000, providing high torque output to meet the power requirements of thick-walled pipe production.

[0024] The transmission element 4 connects the flat roller assembly 3 and the hardened gearbox 5, transmitting power and motion, and automatically adapting to the vertical translation of the upper flat roller 303 on the flat roller assembly 3. The first gearbox 7 provides initial deceleration for the drive motor 8. Each drive motor 8 provides driving force for each flat roller assembly 3. Because the production speed of thick-walled pipe is very low and the speed ratio of the hardened gearbox 5 is very high, the drive motor 8 for each flat roller assembly can be designed with a power of approximately 3 kW, or approximately 33 kW to 36 kW for the entire machine. This output provides high torque, ensuring that the required power is met.

[0025] The shaft assembly 6 tightly connects the hardened gearbox 5 and the first gearbox 7 to ensure the transmission power and movement continuity between them. The first transmission shaft 701 is used to output the power of the drive motor 8 to the hardened gearbox 5 and then transmit the power to the flat roller device 3 through the transmission member 4.

[0026] The flat roller device 3 includes an upper flat roller 303 and a lower flat roller 304. The upper flat roller 303 and the lower flat roller 304 are arranged in parallel and perpendicular to the long side of the first base 1 in the axial direction. The lower flat roller 304 is fixedly installed at the bottom of the first frame 301 and the second frame 302. The upper flat roller 303 is slidably connected to the first frame 301 and the second frame 302. The ends of the upper flat roller 303 and the lower flat roller 304 in the same direction are respectively connected to the hardened gear reducer 5 through the transmission member 4.

[0027] Sliders 310 are nested and installed in the first frame 301 and the second frame 302. The upper flat roller 303 is fixedly connected between the two slides 310. A second vertical rod 306 is provided on the top of the first frame 301, and a first vertical rod 305 is provided on the top of the second frame 302. The first vertical rod 305 and the second vertical rod 306 are respectively connected to the slides 310. A second motor 308 is provided on one side of the first vertical rod 305. The second motor 308 is connected to the first vertical rod 305 through a second reduction gearbox 309. The second reduction gearbox 309 is connected to the second vertical rod 306 through a synchronous shaft 307.

[0028] The ends of the upper flat roller 303 and the lower flat roller 304 are connected to the hard-toothed reduction box 5 through the transmission member 4 so that they can receive power transmission.

[0029] The lower flat roller 304 is fixedly connected to the first frame 301 and the second frame 302 and is used to support the pipe fittings. The upper flat roller 303 can drive the first vertical rod 305 and the second vertical rod 306 through the second motor 308 to control the slider 310 to slide up and down, thereby changing the distance between the upper flat roller 303 and the lower flat roller 304, and then adjusting the pressure of the pipe fitting to meet the requirements of the manufacturing process.

[0030] This arrangement allows the upper flat roller 303 and the lower flat roller 304 to slide between the first frame 301 and the second frame 302, enabling the processing and manufacturing of thick-walled pipes. Simultaneously, driven by the second motor 308 and the second reduction gearbox 309, the movement of the upper flat roller 303 and the lower flat roller 304 can be synchronized, ensuring uniform processing of the pipe.

[0031] The hard tooth surface reduction gearbox 5 comprises a first gear 503 and a second gear 504, the first gear 503 and the second gear 504 are rotatably connected to the shell 501, the first gear 503 is provided with a second transmission shaft 505 at one end, the second gear 504 is provided with a fourth transmission shaft 507 at one end and a third transmission shaft 506 at the other end, the second transmission shaft 505 and the third transmission shaft 506 are located on the same side of the shell 501, and the top of the third transmission shaft 506 is detachably connected with the top cover 502.

[0032] The hard tooth surface reduction gearbox 5 is composed of the first gear 503 and the second gear 504 and is hermetically installed in the shell 501, and the top of the shell 501 is detachably connected with the top cover 502, which is designed to protect the first gear 503 and the second gear 504 inside and facilitate maintenance and repair or timely supplement of lubricating oil.

[0033] The transmission member 4 is provided with a first reverser 404 and a second reverser 405 at two ends respectively, and the first reverser 404 and the second reverser 405 are connected with the main transmission shaft 401, the first reverser 404 and the second reverser 405 are respectively nested with the first connecting shaft member 402 and the second connecting shaft member 403, the first connecting shaft member 402 is connected with the second transmission shaft 505, and the second connecting shaft member 403 is connected with the upper flat roller 303.

[0034] The first reverser 404 is provided with four assembly parts, and the first reverser 404 is connected with the first connecting shaft member 402 through the spring buckle 40401.

[0035] The structure of the transmission member 4 enables the power of the driving motor 8 to be transmitted to the upper flat roller 303 and the lower flat roller 304, the reverser is connected with the shaft member through the spring buckle 40401, which can provide a certain flexibility and detachability, facilitating installation and maintenance.

[0036] In the specific use mode of the embodiment, the pipe member is sent into the flat roller device 3 and placed on the lower flat roller 304, the second motor 308 is started, and the positions of the sliding blocks 310 are adjusted one by one or in batches, so that the distance between the upper flat roller 303 and the lower flat roller 304 is changed to realize controllable pressure. When the upper flat roller 303 is adjusted, the upper flat roller 303 is connected with the hard tooth surface reduction gearbox 5 through the transmission member 4, the transmission member 4 is provided with the first reverser 404 and the second reverser 405, the first connecting shaft member 402 and the second connecting shaft member 403 are connected with the upper flat roller 303 and the second transmission shaft 505 respectively, and the lower flat roller 304 is connected with the third transmission shaft 506 through the transmission member 4, so that when the position of the upper flat roller 303 is adjusted, the structure of the transmission member 4 can automatically adjust and adapt to the position of the upper flat roller 303 to maintain stable power output.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A transmission device for a thick-walled pipe cutting machine, characterized in that: The invention comprises a plurality of flat roller devices (3) and a hardened tooth surface reduction gearbox (5), wherein the flat roller devices (3) and the hardened tooth surface reduction gearbox (5) are respectively mounted on a first base (1) and a second base (2), wherein the flat roller devices (3) and the first reduction gearbox (7) are connected via a transmission member (4), wherein a first reduction gearbox (7) is provided on one side of the hardened tooth surface reduction gearbox (5), wherein the first reduction gearbox (7) is connected to a driving motor (8), wherein the hardened tooth surface reduction gearbox (5) and the first reduction gearbox (7) are connected via a shaft kit (6), wherein the flat roller devices (3) and the hardened tooth surface reduction gearbox (5) form a group of two and are arranged in parallel on the first base (1) and the second base (2).

2. The transmission device of the thick-walled pipe cutting machine according to claim 1, characterized in that: The flat roller device (3) comprises an upper flat roller (303) and a lower flat roller (304), wherein the upper flat roller (303) and the lower flat roller (304) are arranged in parallel and are axially perpendicular to the long side of the first base (1), and the lower flat roller (304) is fixedly mounted on the bottom of the first frame (301) and the second frame (302), and the upper flat roller (303) is slidably connected to the first frame (301) and the second frame (302), and the ends of the upper flat roller (303) and the lower flat roller (304) in the same direction are respectively connected to the hardened gear reduction box (5) through the transmission member (4).

3. The transmission device of the thick-walled pipe cutting machine according to claim 2, characterized in that: Slide blocks (310) are nested and installed in the first frame (301) and the second frame (302); the upper flat roller (303) is fixedly connected between the two slide blocks (310); a second vertical rod (306) is provided on the top of the first frame (301); a first vertical rod (305) is provided on the top of the second frame (302); the first vertical rod (305) and the second vertical rod (306) are respectively connected to the slide blocks (310); a second motor (308) is provided on one side of the first vertical rod (305); the second motor (308) is connected to the first vertical rod (305) via a second reduction gearbox (309); and the second reduction gearbox (309) is connected to the second vertical rod (306) via a synchronous shaft (307).

4. The transmission device of the thick-walled pipe cutting machine according to claim 2, characterized in that: The hardened gear reduction box (5) comprises a first gear (503) and a second gear (504), wherein the first gear (503) and the second gear (504) are rotatably connected to the housing (501), a second transmission shaft (505) is provided at one end of the first gear (503), a fourth transmission shaft (507) is provided at one end of the second gear (504), and a third transmission shaft (506) is provided at the other end, the second transmission shaft (505) and the third transmission shaft (506) are located on the same side of the housing (501), and a top cover (502) is detachably connected to the top of the housing (501).

5. The transmission device of the thick-walled pipe cutting machine according to claim 4, characterized in that: A first commutator (404) and a second commutator (405) are respectively provided at both ends of the transmission member (4); a main transmission shaft (401) is provided between the first commutator (404) and the second commutator (405); a first coupling member (402) and a second coupling member (403) are respectively nested outside the first commutator (404) and the second commutator (405); the first coupling member (402) is connected to the second transmission shaft (505), and the second coupling member (403) is connected to the upper flat roller (303).

6. The transmission device of the thick-walled pipe cutting machine according to claim 5, characterized in that: Four assembly parts are provided on the first commutator (404), and the first commutator (404) is connected to the first coupling member (402) via a spring buckle (40401).

7. The transmission device of the thick-walled pipe cutting machine according to claim 1, characterized in that: The shaft assembly (6) comprises a third connecting shaft (601) and a fourth connecting shaft (602), wherein the third connecting shaft (601) and the fourth connecting shaft (602) are fastened together by screws (604) and washers (603).

8. The transmission device of the thick-walled pipe cutting machine according to claim 1, characterized in that: A first transmission shaft (701) is provided at one end of the first reduction gearbox (7), and the first transmission shaft (701) is fixedly connected to the shaft kit (6).

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