Straightening mechanism for seamless steel pipe machining

Abstract

The utility model discloses a straightening mechanism for seamless steel tube processing, which relates to the technical field of seamless steel tube processing and comprises a slide rail base, two straightening mechanisms are arranged at the top of the slide rail base and used for being adaptive to straightening of seamless steel tubes with different specifications and sizes, and each straightening mechanism comprises a conveying unit, a straightening unit and a control unit, comprising a gantry moving frame installed above a sliding rail base in a sliding mode. The adaptive unit is arranged in the conveying unit and comprises an adaptive roller slidably mounted in the gantry moving frame, screw rods are rotatably mounted at the tops of bearings at the left end and the right end of the adaptive roller, a user rotates the hand wheels, the two hand wheels are connected through belts, the two belts rotate synchronously, the two belts drive the two screw rods to rotate, and the two screw rods are driven by the adaptive roller to rotate. And the two lead screws drive the adaptive roller to ascend, so that the distance between the adaptive roller and the conveying roller is realized, and the seamless steel pipes with different specifications and sizes are straightened.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, and specifically relates to a straightening mechanism for seamless steel pipe processing. Background Technique

[0002] Seamless steel pipe is made by piercing a whole round steel, and the steel pipe without weld on the surface is called seamless steel pipe. According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, extruded seamless steel pipes, pipe jacking, etc. Seamless steel pipes are mainly used as oil geological drilling pipes, cracking pipes for petrochemical industry, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.

[0003] It is found that the publication number: CN219004162U discloses a straightening mechanism for seamless steel pipes, including a mounting plate, a moving mechanism and a cooling mechanism. A mounting box is fixedly installed on the top of the mounting plate; the moving mechanism is arranged inside the mounting box, and the moving mechanism includes a motor and a rotating rod. A plurality of groups of rotating rods are rotatably installed inside the mounting box, and a motor is fixedly installed outside the mounting box. This straightening mechanism for seamless steel pipes can drive the two groups of gears to mesh and drive by controlling the start of the motor under the transmission of the pulley and the belt, so that the straightening cylinder rotates to drive the steel pipe to move, feed and discharge the steel pipe, reduce manual operation, and reduce the position deviation of the steel pipe. It can heat the steel pipe by controlling the opening of the electromagnetic heating coil, which is convenient for straightening the steel pipe with a large bending degree, reduce the fracture of the steel pipe during processing, save production resources, and reduce the damage to the device.

[0004] Based on the above-mentioned existing technology, the currently existing straightening mechanism for seamless steel pipe processing still has the following problems. The specifications and sizes of seamless steel pipes on the market are different, but the existing straightening mechanisms for seamless steel pipes are difficult to flexibly adapt to seamless steel pipes of different specifications and sizes. Therefore, the utility model provides a straightening mechanism for seamless steel pipe processing. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a straightening mechanism for seamless steel pipe processing, which solves the following problems existing in the existing straightening mechanism for seamless steel pipe processing. The specifications and sizes of seamless steel pipes on the market are different, but the existing straightening mechanisms for seamless steel pipes are difficult to flexibly adapt to seamless steel pipes of different specifications and sizes.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A straightening mechanism for seamless steel pipe processing includes a slide rail base, and two straightening mechanisms are arranged on the top of the slide rail base to adapt to the straightening of seamless steel pipes of different specifications and sizes. The straightening mechanism includes:

[0007] The conveying unit is arranged on the top of the slide rail base and includes a gantry moving frame slidably mounted above the slide rail base;

[0008] The adaptation unit is arranged inside the conveying unit and includes adaptation rollers slidably mounted inside the gantry moving frame. At the top of the bearings at the left and right ends of the adaptation rollers, lead screws are rotatably mounted. At the top ends of the lead screws, hand wheels are fixedly mounted, and a second V-shaped groove is formed on the outer ring of the adaptation rollers.

[0009] Preferably, the adaptation unit further includes a belt pulley fixedly mounted on the outer ring of the hand wheel, and a belt is sleeved inside the belt pulley.

[0010] Preferably, the conveying unit further includes a conveying roller fixedly mounted inside the gantry moving frame through a bearing. A driving motor is fixedly mounted at the right end of the conveying roller. A first V-shaped groove is formed on the outer ring of the conveying roller, and a positioning knob is threadedly mounted below the right side of the gantry moving frame.

[0011] Preferably, the straightening mechanism further includes a driving cylinder fixedly mounted on the top of the gantry moving frame. A connecting block is fixedly mounted at the output end of the driving cylinder, and two connecting rods are hingedly mounted inside the connecting block.

[0012] Preferably, the straightening mechanism further includes two clamping frames hingedly mounted on the front side of the gantry moving frame through connecting ears. Clamping rollers are rotatably mounted on the outer ring of the round rod of the clamping frame. A linkage column is fixedly mounted on the top of the clamping frame, and the linkage column is rotatably connected to the connecting rod.

[0013] Preferably, reinforcing rib rings are fixedly mounted inside both the conveying roller and the adaptation roller, and the reinforcing rib rings are arranged in a linear array inside the conveying roller and the adaptation roller.

[0014] The utility model provides a straightening mechanism for seamless steel pipe processing. Compared with the prior art, the following beneficial effects are achieved:

[0015] (1) For the straightening mechanism for seamless steel pipe processing, the user rotates the hand wheels, and the two hand wheels are connected by a belt. The two belts rotate synchronously, the two belts drive the two lead screws to rotate, and the two lead screws drive the adaptation rollers to rise, so as to realize the distance between the adaptation rollers and the conveying rollers, and thus realize straightening of seamless steel pipes with different specifications and sizes.

[0016] (2) For the straightening mechanism for seamless steel pipe processing, when the driving cylinder operates to pull the connecting block, the connecting block drives the two connecting rods to rotate towards each other. At this time, the connecting rods drive the clamping frames and the clamping rollers to rotate towards each other synchronously through the linkage columns, so as to realize clamping of the steel pipe, which can reduce the movement and deviation of the steel pipe during the straightening process and ensure the accuracy of the straightening result. Description of the Drawings

[0017] Figure 1 This is the right - view three - dimensional structure diagram of the present utility model;

[0018] Figure 2 This is the partial three - dimensional structure diagram of the conveying unit of the present utility model;

[0019] Figure 3 This is the partial three - dimensional structure diagram of the adaptation unit of the present utility model;

[0020] Figure 4 This is the partial three - dimensional structure diagram of the present utility model;

[0021] Figure 5 This is the partial sectional three - dimensional structure diagram of the present utility model.

[0022] In the figure: 1 - slide rail base, 2 - straightening mechanism, 21 - conveying unit, 211 - gantry moving frame, 212 - positioning knob, 213 - conveying roller, 214 - driving motor, 215 - first V - shaped groove, 22 - adaptation unit, 221 - adaptation roller, 222 - lead screw, 223 - hand wheel, 224 - belt pulley, 225 - belt, 226 - second V - shaped groove, 23 - kinetic energy unit, 231 - driving cylinder, 232 - connecting block, 233 - connecting rod, 24 - clamping unit, 241 - clamping frame, 242 - linkage column, 243 - clamping roller, 3 - reinforcing rib ring. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 - 5 , the present utility model provides a technical solution:

[0025] A straightening mechanism for seamless steel pipe processing, including a slide rail base 1. Two straightening mechanisms 2 are arranged on the top of the slide rail base 1 for adapting to the straightening of seamless steel pipes with different specifications and sizes. The straightening mechanism 2 includes:

[0026] A conveying unit 21, arranged on the top of the slide rail base 1, including a gantry moving frame 211 slidably installed above the slide rail base 1;

[0027] The adaptation unit 22 is arranged inside the conveying unit 21 and includes adaptation rollers 221 slidably installed inside the gantry moving frame 211. At the tops of the bearings at the left and right ends of the adaptation rollers 221, lead screws 222 are rotatably installed. At the top ends of the lead screws 222, handwheels 223 are fixedly installed, and a second V-shaped groove 226 is formed in the outer ring of the adaptation rollers 221.

[0028] Through the formed second V-shaped groove 226, seamless steel pipes with different diameters can be adapted. The user rotates the handwheels 223, and the two handwheels 223 are connected by a belt 225. The two belts 225 rotate synchronously. The two belts 225 drive the two lead screws 222 to rotate. The two lead screws 222 drive the adaptation rollers 221 to rise, so as to realize the distance between the adaptation rollers 221 and the conveying rollers 213, and thus realize straightening of seamless steel pipes with different specifications and sizes.

[0029] In this embodiment, the adaptation unit 22 further includes a belt pulley 224 fixedly installed on the outer ring of the handwheel 223, and a belt 225 is sleeved inside the belt pulley 224.

[0030] The two belt pulleys 224 are sleeved and connected by a belt 225, so as to realize synchronous movement of the two handwheels 223.

[0031] In this embodiment, the conveying unit 21 further includes conveying rollers 213 fixedly installed inside the gantry moving frame 211 through bearings. A driving motor 214 is fixedly installed at the right end of the conveying rollers 213. A first V-shaped groove 215 is formed in the outer ring of the conveying rollers 213. A positioning knob 212 is threadedly installed below the right side of the gantry moving frame 211.

[0032] Through the formed first V-shaped groove 215, seamless steel pipes with different diameters can be adapted. The driving motor 214 is a three-phase asynchronous motor, is electrically connected to an external power supply and is turned on and off through a personnel control control panel.

[0033] In this embodiment, the straightening mechanism 2 further includes a driving cylinder 231 fixedly installed on the top of the gantry moving frame 211. A connecting block 232 is fixedly installed at the output end of the driving cylinder 231. Two connecting rods 233 are hingedly installed inside the connecting block 232.

[0034] The model of the driving cylinder 231 is DSNU-20-50-PPV-A, is electrically connected to an external power supply and is turned on and off through a personnel control control panel. The driving cylinder 231 operates to pull the connecting block 232. The connecting block 232 drives the two connecting rods 233 to rotate towards each other. The two connecting rods 233 drive the two clamping units 24 to rotate synchronously.

[0035] In this embodiment, the straightening mechanism 2 further includes two clamping frames 241 hinged and installed on the front side of the gantry moving frame 211 through connecting ears. A clamping roller 243 is rotatably installed on the outer circle of the round rod of the clamping frame 241. A linkage column 242 is fixedly installed on the top of the clamping frame 241, and the linkage column 242 is rotatably connected to the connecting rod 233.

[0036] The connecting rod 233 drives the clamping frame 241 and the clamping roller 243 to rotate synchronously and towards each other through the linkage column 242, so as to clamp the steel pipe, which can reduce the movement and deviation of the steel pipe during the straightening process and ensure the accuracy of the straightening result.

[0037] In this embodiment, reinforcing rib rings 3 are fixedly installed inside both the conveying roller 213 and the matching roller 221, and the reinforcing rib rings 3 are installed in a linear array inside the conveying roller 213 and the matching roller 221.

[0038] Reinforcing rib rings 3 are fixedly installed inside both the conveying roller 213 and the matching roller 221, and the reinforcing rib rings 3 are installed in a linear array inside the conveying roller 213 and the matching roller 221, so as to strengthen the conveying roller 213 and the matching roller 221 and prevent deformation.

[0039] At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0040] During operation, first, the user connects the device to an external power supply. At this time, the user rotates the handwheels 223, and the two handwheels 223 are connected by belts 225. The two belts 225 rotate synchronously, and the two belts 225 drive the two lead screws 222 to rotate. The two lead screws 222 drive the matching roller 221 to rise, so as to adjust the distance between the matching roller 221 and the conveying roller 213 to a suitable distance for the steel pipe to be straightened. Then the steel pipe passes through between the two clamping rollers 243 and the conveying roller 213 and the matching roller 221. The driving cylinder 231 operates to pull the connecting block 232, and the connecting block 232 drives the two connecting rods 233 to rotate towards each other. At this time, the connecting rod 233 drives the clamping frame 241 and the clamping roller 243 to rotate synchronously and towards each other through the linkage column 242, so as to clamp the steel pipe. Then the driving motor 214 operates to drive the conveying roller 213 to rotate, drive the steel pipe to move, and then enter another straightening mechanism 2 for straightening.

[0041] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0042] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A straightening mechanism for seamless steel pipe processing, including a slide rail base (1), characterized in that: At the top of the slide rail base (1), there are two straightening mechanisms (2) for adapting to the straightening of seamless steel pipes with different specifications and sizes. The straightening mechanism (2) includes: A conveying unit (21), arranged at the top of the slide rail base (1), includes a gantry moving frame (211) slidably installed above the slide rail base (1); An adapting unit (22), arranged inside the conveying unit (21), includes adapting rollers (221) slidably installed inside the gantry moving frame (211). At the top of the bearings at the left and right ends of the adapting rollers (221), lead screws (222) are rotatably installed. At the top end of the lead screws (222), hand wheels (223) are fixedly installed. And a second V-shaped groove (226) is formed on the outer ring of the adapting rollers (221).

2. The straightening mechanism for seamless steel pipe processing according to claim 1, characterized in that: The adapting unit (22) further includes a belt pulley (224) fixedly installed on the outer ring of the hand wheel (223), and a belt (225) is sleeved inside the belt pulley (224).

3. A straightening mechanism for seamless steel pipe processing according to claim 1, characterized in that: The conveying unit (21) further includes conveying rollers (213) fixedly installed inside the gantry moving frame (211) through bearings. A driving motor (214) is fixedly installed at the right end of the conveying rollers (213). A first V-shaped groove (215) is formed on the outer ring of the conveying rollers (213). A positioning knob (212) is threadedly installed below the right side of the gantry moving frame (211).

4. A straightening mechanism for seamless steel pipe processing according to claim 1, characterized in that: The straightening mechanism (2) further includes a driving cylinder (231) fixedly installed on the top of the gantry moving frame (211). The output end of the driving cylinder (231) is fixedly installed with a connecting block (232). Inside the connecting block (232), two connecting rods (233) are hingedly installed.

5. The straightening mechanism for seamless steel pipe processing according to claim 4, characterized in that: The straightening mechanism (2) further includes two clamping frames (241) hingedly installed on the front side of the gantry moving frame (211) through connecting ears. Clamping rollers (243) are rotatably installed on the outer circle of the round rods of the clamping frames (241). A linkage column (242) is fixedly installed at the top of the clamping frames (241), and the linkage column (242) is rotatably connected with the connecting rod (233).

6. The straightening mechanism for seamless steel pipe processing according to claim 3, characterized in that: Reinforcing rib rings (3) are fixedly installed inside both the conveying rollers (213) and the adapting rollers (221), and the reinforcing rib rings (3) are installed in a linear array inside the conveying rollers (213) and the adapting rollers (221).

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