Steel pipe thread rolling machine

Abstract

The utility model discloses a steel pipe thread rolling machine, the steel pipe thread rolling machine comprises a frame, a turntable, a self-adaptive fixing mechanism, a limiting wheel and a first driving mechanism, the turntable is arranged on the frame in a reciprocating rotation mode through the first driving mechanism, and the self-adaptive fixing mechanism coaxially surrounds the turntable and is arranged on one side of the frame; wherein the self-adaptive fixing mechanism comprises rotating frames and first limiting sleeves, and a plurality of first limiting sleeves which are in one-to-one correspondence with the rotating frames are coaxially and rotatably arranged on one side of the rotating disc in a surrounding mode. The steel pipe thread rolling device overcomes the defects that when a steel pipe is fixed through the device, the height of an L-shaped moving frame needs to be adjusted, the distance between supporting rollers needs to be adjusted, nuts need to be fixed after adjustment, use is too troublesome, and the steel pipe thread rolling efficiency is greatly reduced. According to the steel pipe thread rolling machine, the steel pipe can be automatically fixed and rolled according to the height and the diameter of the steel pipe as long as the steel pipe is placed in the thread rolling machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, specifically, relate to a steel pipe thread thread rolling machine. BACKGROUND

[0002] The thread rolling machine is a multifunctional cold extrusion forming machine tool, which can process threads, straight lines and inclined lines of workpieces under cold state within its rolling pressure range; straight teeth, inclined teeth and inclined spline gears are rolled; straightening, reducing, rolling and various forming rolling are carried out. The machine has a safe and reliable electric-hydraulic execution and control system, and each working cycle can be selected in manual, semi-automatic and automatic modes. The thread rolling machine is divided into two-axis thread rolling machine and three-axis thread rolling machine, and the three-axis thread rolling machine is mainly applied to the pipe thread processing industry.

[0003] Chinese patent number CN202322557028.2 discloses a three-axis thread rolling machine. By rotating the knob, the screw rod is rotated, so that the L-shaped moving frame drives the mounting plate to move. At this time, the sliding block drives the supporting roller to move, and the supporting roller is adjusted to the appropriate height according to the actual diameter of the steel pipe. The moving mounting frame drives the sliding block and the supporting roller to move, and the supporting roller is adjusted to the appropriate position according to the actual diameter of the steel pipe. Rotating the fixed nut connects it with the fixed threaded rod and makes the fixed nut tightly adhere to the mounting plate, so as to fix the sliding block and the supporting roller at the appropriate position. Then the steel pipe can pass through the inside of the two supporting rollers, and the steel pipe is limited and supported.

[0004] The applicant found the following technical problems when implementing the above technical solutions.

[0005] When the device fixes the steel pipe, the height of the L-shaped moving frame and the distance between the supporting rollers need to be adjusted. After adjustment, the fixed nut needs to be fixed. It is too troublesome to use, which greatly reduces the steel pipe thread rolling efficiency.

[0006] Therefore, it is an urgent problem of the utility model to provide a steel pipe thread thread rolling machine which only needs to place the steel pipe in the thread rolling machine, and can automatically fix and thread roll the steel pipe according to the height and diameter of the steel pipe. CONTENT OF THE UTILITY MODEL

[0007] In view of the above technical problems, the utility model aims to overcome the problems in the prior art that the device needs to adjust the height of the L-shaped moving frame and the distance between the supporting rollers when fixing the steel pipe, and needs to fix the fixed nut after adjustment, which is too troublesome to use and greatly reduces the steel pipe thread rolling efficiency. Therefore, a steel pipe thread thread rolling machine is provided, which only needs to place the steel pipe in the thread rolling machine, and can automatically fix and thread roll the steel pipe according to the height and diameter of the steel pipe.

[0008] In order to achieve the above object, the utility model provides a kind of steel pipe thread rolling machine, the steel pipe thread rolling machine includes: rack, carousel, self-adapting fixing mechanism, limit wheel and first drive mechanism, the carousel is reciprocatingly rotatably arranged on rack by first drive mechanism, the self-adapting fixing mechanism is coaxially around carousel and is arranged on the one side of rack;Wherein, the self-adapting fixing mechanism includes: rotating frame and first limit sleeve, the one side of carousel is coaxially around and rotatably arranged with a plurality of first limit sleeves corresponding to each rotating frame, the one side of rack is coaxially around carousel and rotatably arranged with a plurality of rotating frames, each rotating frame is arranged through first limit sleeve, and its end close to carousel rotatably arranged with limit wheel.

[0009] Preferably, the first drive mechanism includes: second limit sleeve, third limit sleeve, screw rod and first rotary motor, the one side of carousel rotatably arranged with second limit sleeve, the one side of rack rotatably arranged with third limit sleeve, the threaded portion of screw rod is threadedly connected with second limit sleeve, and smooth portion is rotatably connected with third limit sleeve, the first rotary motor is arranged at one end of screw rod, and can drive screw rod to rotate.

[0010] Preferably, the carousel is provided with self-adapting fixing mechanism on opposite sides respectively;Wherein, each rotating frame on the one side of carousel rotatably arranged with limit wheel close to one end of carousel, each rotating frame on the other side rotatably arranged with rolling thread wheel close to one end of carousel, second drive mechanism for driving each rolling thread wheel to rotate synchronously is further arranged on the rack.

[0011] Preferably, the second drive mechanism includes: drive assembly and shaft coupling assembly, the drive assembly is arranged on the rack, and can be connected with each rolling thread wheel through shaft coupling assembly.

[0012] Preferably, the drive assembly includes: second rotary motor, drive gear and synchronous gear, the second rotary motor is arranged on the rack, and its output shaft is coaxially provided with drive gear, the drive gear is provided with synchronous gear on the side, and the synchronous gear is rotatably arranged with each rolling thread wheel corresponding to the drive gear, each synchronous gear is coaxially connected with rolling thread wheel through shaft coupling assembly.

[0013] Preferably, the shaft coupling assembly includes: cross shaft and telescopic rod, each synchronous gear and each rolling thread wheel are rotatably arranged with cross shaft on the side close to each other, one end of telescopic rod is hinged at the cross shaft on synchronous gear, and the other end is hinged at the cross shaft on corresponding rolling thread wheel.

[0014] Preferably, the rolling thread wheel is provided with thread rolling block around the side.

[0015] According to the technical scheme, the beneficial effects of the utility model compared with the prior art are that: the steel pipe is arranged between the plurality of limiting wheels, and then the first driving mechanism is started to drive the rotating disc to rotate, so as to drive each rotating frame to rotate through the first limiting sleeve, and the steel pipe is clamped through the limiting wheel on each rotating frame; through the cooperation of the limiting wheel and the rotating frame, the clamping demand of the steel pipe with different diameters and different height positions can be quickly adapted, the size and height position of the traditional fixed clamp are avoided to be limited, and the processing efficiency is significantly improved.

[0016] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation mode part; and the parts not involved in the utility model are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the following specific implementation mode, but do not constitute the limitation to the utility model.In the drawings:

[0018] Figure 1 It is the three-dimensional view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model Figure 1 .

[0019] Figure 2 It is the three-dimensional view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model Figure 2 .

[0020] Figure 3 It is the plan view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model.

[0021] Figure 4 It is the three-dimensional view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model Figure 3 .

[0022] Figure 5 It is the partial three-dimensional view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model Figure 1 .

[0023] Figure 6 It is the partial three-dimensional view of the steel pipe thread rolling machine provided in a preferred embodiment of the utility model Figure 2 .

[0024] Label explanation: 1-stand; 2-rotating disc; 3-adaptive fixing mechanism; 301-rotating frame; 302-first limiting sleeve; 4-limiting wheel; 5-first driving mechanism; 501-second limiting sleeve; 502-third limiting sleeve; 503-screw rod; 504-first rotary motor; 6-roller screw; 601-threaded roller screw block; 7-second driving mechanism; 701-driving assembly; 70101-second rotary motor; 70102-driving gear; 70103-synchronous gear; 702-coupling assembly; 70201-cross coupling shaft; 70202-telescopic rod. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0026] In the description of the embodiments of the present application, it should be explained that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" and the like appear, they are only used for differentiation, and cannot be understood as indicating or implying relative importance. In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, they do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the embodiments of the present application, it should be explained that, unless otherwise explicitly specified and limited, if the terms "set", "installed", "connected", "connected" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In order to further understand the features, technical means and specific purposes and functions achieved by the present application, the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Referring to Figure 1 and Figure 2 The utility model provides a steel pipe thread rolling machine, it includes frame 1, carousel 2, adaptive fixing mechanism 3, check wheel 4 and first drive mechanism 5, carousel 2 is set up on frame 1 by first drive mechanism 5 reciprocating rotation, and adaptive fixing mechanism 3 is set up with frame 1 one side coaxially around carousel 2, wherein, adaptive fixing mechanism 3 includes rotating frame 301 and first limiting sleeve 302, carousel 2 one side is set up with a plurality of first limiting sleeve 302 corresponding to each rotating frame 301 coaxially and rotatably, frame 1 one side is set up with a plurality of rotating frame 301 coaxially around carousel 2 and rotatably, and each rotating frame 301 passes through first limiting sleeve 302 and is rotatably set up with check wheel 4 near carousel 2 one end.

[0030] The utility model places steel pipe between a plurality of check wheels 4, then starts first drive mechanism 5 to drive carousel 2 to rotate, to drive each rotating frame 301 through first limiting sleeve 302, to clamp steel pipe through the check wheel 4 on each rotating frame 301, through the cooperation of check wheel 4 and rotating frame 301, can quickly adapt to the clamping demand of steel pipe of different diameters and different height positions, avoids the size and height position limitation of traditional fixed clamp, significantly improves processing efficiency.

[0031] Referring to Figure 3 First drive mechanism 5 includes second limiting sleeve 501, third limiting sleeve 502, screw rod 503 and first rotary motor 504, carousel 2 one side rotatably sets up with second limiting sleeve 501, frame 1 is located second limiting sleeve 501 one side rotatably sets up with third limiting sleeve 502, screw rod 503 screw part is connected with second limiting sleeve 501 threadedly, and smooth part is rotatably connected with third limiting sleeve 502, first rotary motor 504 is set up in screw rod 503 one end, and can drive screw rod 503 to rotate.

[0032] The application drives the screw rod 503 by starting the first rotary motor 504, and since the threaded part of the screw rod 503 is threadedly connected with the second limiting sleeve 501 and the smooth part is rotationally connected with the third limiting sleeve 502, the second limiting sleeve 501 gradually approaches the third limiting sleeve 502, thereby driving the rotating disc 2 to rotate, and further driving each rotating frame 301 to rotate through the first limiting sleeve 302, so that the limiting wheels 4 on each rotating frame 301 clamp the steel pipe; when the steel pipe needs to be loosened, the screw rod 503 is reversely rotated by starting the first rotary motor 504, so that the second limiting sleeve 501 gradually moves away from the third limiting sleeve 502, thereby driving the rotating disc 2 to rotate, and further driving each rotating frame 301 to rotate through the first limiting sleeve 302, so that the limiting wheels 4 on each rotating frame 301 are separated from the steel pipe.

[0033] With reference to Figure 2 : The rotating disc 2 is provided with the adaptive fixing mechanism 3 on opposite sides; each rotating frame 301 on one side of the rotating disc 2 is rotationally provided with the limiting wheel 4 near one end of the rotating disc 2, and each rotating frame 301 on the other side is rotationally provided with the thread rolling wheel 6 near one end of the rotating disc 2, and the rack 1 is further provided with the second driving mechanism 7 for driving each thread rolling wheel 6 to synchronously rotate.

[0034] The application drives the rotating disc 2 by starting the first rotary motor 504, thereby driving each rotating frame 301 to rotate through the first limiting sleeve 302 on the opposite sides, and further driving the limiting wheel 4 and the thread rolling wheel 6 on each rotating frame 301 to clamp the steel pipe, and then starting the second driving mechanism 7 to drive each thread rolling wheel 6 to synchronously rotate, so that the outer surface of the steel pipe is thread rolling processed.

[0035] With reference to Figure 4 : The second driving mechanism 7 comprises a driving assembly 701 and a shaft coupling assembly 702, the driving assembly 701 is arranged on the rack 1 and can be connected with each thread rolling wheel 6 through the shaft coupling assembly 702.

[0036] The application starts the driving assembly 701 to drive each thread rolling wheel 6 to synchronously rotate through the shaft coupling assembly 702.

[0037] With reference to Figure 5The driving assembly 701 comprises a second rotating motor 70101, a driving gear 70102 and a synchronous gear 70103, the second rotating motor 70101 is arranged on the rack 1, and the output shaft of the second rotating motor 70101 is coaxially arranged with the driving gear 70102, the driving gear 70102 is arranged with the synchronous gear 70103 which is rotatably matched with each thread rolling wheel 6 one by one on the side, and each synchronous gear 70103 is coaxially connected with the thread rolling wheel 6 through the shaft connecting assembly 702.

[0038] The second rotating motor 70101 is started to drive the driving gear 70102 to rotate, so as to drive each synchronous gear 70103 to rotate synchronously, and each synchronous gear 70103 drives the corresponding thread rolling wheel 6 to rotate synchronously through the shaft connecting assembly 702.

[0039] With reference to Figure 6 The shaft connecting assembly 702 comprises a cross shaft 70201 and a telescopic rod 70202, the cross shaft 70201 is rotatably arranged on each synchronous gear 70103 and each thread rolling wheel 6 which are close to each other, and the telescopic rod 70202 is hingedly connected at the cross shaft 70201 on the synchronous gear 70103 at one end and hingedly connected at the cross shaft 70201 on the corresponding thread rolling wheel 6 at the other end.

[0040] Through the design, when the thread rolling wheel 6 is displaced under the action of the rotating frame 301, the telescopic rod 70202 can be telescoped to ensure that the synchronous gear 70103 can stably drive each thread rolling wheel 6 to rotate synchronously.

[0041] With reference to Figure 6 The thread rolling wheel 6 is arranged with a threaded rolling block 601 around the side.

[0042] Through the design, the thread rolling wheel 6 can process the outer surface of the steel pipe during rolling, and the threaded rolling block 601 arranged around the side of the thread rolling wheel 6 can automatically transport the steel pipe, so that the user can process the threaded rolling of the steel pipe body at all positions without manually transporting the steel pipe.

[0043] The device provided by the utility model is used in the process of clamping the steel pipe between the plurality of limiting wheels 4, and then the first driving mechanism 5 is started to drive the rotating disc 2 to rotate, so as to drive each rotating frame 301 to rotate through the first limiting sleeve 302, and then the limiting wheel 4 on each rotating frame 301 is used to clamp the steel pipe; through the cooperation of the limiting wheel 4 and the rotating frame 301, the clamping requirement of the steel pipe with different diameters and different height positions can be quickly met, the limitation of the size and the height position of the traditional fixed clamp is avoided, and the processing efficiency is remarkably improved.

[0044] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0045] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combinations.

[0046] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the concept of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A steel pipe thread rolling machine, characterized in that, The steel pipe thread rolling machine includes: a frame (1), a turntable (2), an adaptive fixing mechanism (3), a limit wheel (4), and a first drive mechanism (5). The turntable (2) is rotatably mounted on the frame (1) via the first drive mechanism (5). The adaptive fixing mechanism (3) is coaxially arranged around the turntable (2) on one side of the frame (1). The adaptive fixing mechanism (3) includes: a rotating frame (301) and a first limiting sleeve (302). A plurality of first limiting sleeves (302) corresponding one-to-one with each rotating frame (301) are arranged coaxially around one side of the turntable (2). A plurality of rotating frames (301) are arranged coaxially around one side of the frame (1) and rotatably. Each rotating frame (301) passes through the first limiting sleeve (302) and is rotatably provided with a limiting wheel (4) near one end of the turntable (2).

2. The steel pipe thread rolling machine according to claim 1, characterized in that, The first driving mechanism (5) includes: a second limiting sleeve (501), a third limiting sleeve (502), a lead screw (503), and a first rotary motor (504). The second limiting sleeve (501) is rotatably provided on one side of the turntable (2). The third limiting sleeve (502) is rotatably provided on one side of the frame (1) located on the second limiting sleeve (501). The threaded part of the lead screw (503) is threadedly connected to the second limiting sleeve (501), and the smooth part is rotatably connected to the third limiting sleeve (502). The first rotary motor (504) is provided at one end of the lead screw (503) and can drive the lead screw (503) to rotate.

3. A steel pipe thread rolling machine according to claim 1, characterized in that, The turntable (2) is provided with adaptive fixing mechanisms (3) on both opposite sides; wherein, Each rotating frame (301) on one side of the turntable (2) is rotatably provided with a limiting wheel (4) near one end of the turntable (2), and each rotating frame (301) on the other side is rotatably provided with a thread rolling wheel (6) near one end of the turntable (2). The frame (1) is also provided with a second drive mechanism (7) for driving each thread rolling wheel (6) to rotate synchronously.

4. A steel pipe thread rolling machine according to claim 3, characterized in that, The second drive mechanism (7) includes a drive assembly (701) and a coupling assembly (702). The drive assembly (701) is mounted on the frame (1) and can be connected to each thread rolling wheel (6) via the coupling assembly (702).

5. A steel pipe thread rolling machine according to claim 4, characterized in that, The drive assembly (701) includes: a second rotary motor (70101), a drive gear (70102), and a synchronous gear (70103). The second rotary motor (70101) is mounted on the frame (1), and its output shaft is coaxially mounted with the drive gear (70102). The drive gear (70102) is respectively mounted with synchronous gears (70103) that mesh with it and are rotatably corresponding to each thread rolling wheel (6). Each synchronous gear (70103) is coaxially connected to the thread rolling wheel (6) through a coupling assembly (702).

6. A steel pipe thread rolling machine according to claim 5, characterized in that, The coupling assembly (702) includes a cross coupling (70201) and a telescopic rod (70202). Each synchronous gear (70103) and each thread rolling wheel (6) are rotatably provided with a cross coupling (70201) close to each other on one side. One end of the telescopic rod (70202) is hinged to the cross coupling (70201) on the synchronous gear (70103), and the other end is hinged to the cross coupling (70201) on the corresponding thread rolling wheel (6).

7. A steel pipe thread rolling machine according to claim 4, characterized in that, The thread rolling wheel (6) is surrounded by thread rolling blocks (601).

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