Head cutting device for machining high-toughness seamless steel pipe

Abstract

The utility model discloses a head cutting device for processing a high-toughness seamless steel pipe. The head cutting device comprises a positioning device, wherein the outer wall of the positioning device is fixedly connected with a cutting device; the seamless steel pipe cutting device relates to the technical field of steel pipe cutting, through the positioning device and the cutting device, a positioning frame in the positioning device is matched with a positioning clamping plate through a two-way threaded rod, the axial position of a seamless steel pipe can be accurately adjusted and fixed, and meanwhile the combined design of an arc-shaped supporting plate, an adjusting threaded rod, a sliding rod and a sliding groove is matched; the supporting height can be flexibly adjusted according to the high-toughness seamless steel pipes with different diameters and lengths, stable rear end supporting is provided for the steel pipes, the cutting motor drives the cutting knife rotating at a high speed to move and conduct cutting operation under the matching action of the worm, the worm gear, the gear and the rack, and meanwhile the protection frame is matched; and the cutting knife rotating at a high speed is effectively isolated from the external environment, so that metal chips generated during cutting are prevented from splashing all around.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe cutting technical field, concretely relates to a kind of head cutting device for high toughness seamless steel pipe processing. BACKGROUND

[0002] In modern industrial field, the application of high toughness seamless steel pipe is extremely extensive, such as petrochemical industry, construction engineering, automobile manufacturing and aerospace industry, with the rapid development of these industries, the processing precision and production efficiency of high toughness seamless steel pipe are increasingly stringent requirements.

[0003] Traditional seamless steel pipe head cutting device often has many deficiencies, in positioning aspect, only simple fixing can be realized, some old fixtures are in the face of diameter difference larger or length longer steel pipe, and offset and so on condition is generated due to rear end support instability, and then lead to cutting error greatly increase, seriously affect the cut flatness and dimensional accuracy of product, and in cutting process, the safety of traditional head cutting device also has big hidden danger, many equipment lack effective protective measures, and metal scraps produced when cutting often fly everywhere, which constitutes serious threat to the personal safety of operator. SUMMARY

[0004] In view of the deficiencies of prior art, the technical scheme adopted by the utility model to solve its technical problems is: a kind of head cutting device for high toughness seamless steel pipe processing, it includes: positioning device, the outer wall of the positioning device is fixedly connected with cutting device;The positioning device includes base, the outer wall of the top of the base is fixedly connected with support frame, the outer wall of the support frame is symmetrically provided with sliding slot, the inner wall of the sliding slot is slidably connected with sliding rod, the outer wall of the top of the sliding rod is fixedly connected with arc-shaped support plate, the outer wall of the bottom of the arc-shaped support plate is rotatably connected with adjusting screw rod, the outer wall of the top of the base is fixedly connected with positioning frame, the outer wall of the positioning frame is provided with positioning slot, the inner wall of the positioning slot is rotatably connected with bidirectional screw rod, the outer wall of the bidirectional screw rod is symmetrically screw-connected with positioning clamping plate.

[0005] Preferably, the outer wall of the adjusting screw rod is screw-connected with the inner wall of the top of the support frame, the outer wall of the bottom of the arc-shaped support plate is in contact with the outer wall of the top of the support frame, rotating adjusting screw rod drives the arc-shaped support plate rotationally connected with it to move axially, while sliding rod slides up and down along the sliding slot.

[0006] Preferably, the outer wall of the positioning clamping plate is slidably connected with the inner wall of the positioning slot, rotating bidirectional screw rod, due to the screw thread characteristics of bidirectional screw rod, two positioning clamping plates will slide towards each other in positioning slot.

[0007] Preferably, the cutting device comprises a cutting frame, the inner wall of the top of the cutting frame is slidably connected with a toothed rod, the outer wall of the top of the cutting frame is fixedly connected with an adjusting frame, the inner wall of the adjusting frame is rotatably connected with a worm, the inner wall of the adjusting frame is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with a gear and a worm wheel, the outer wall of the bottom of the toothed rod is fixedly connected with a protective frame, the inner wall of the protective frame is fixedly connected with a cutting motor, the outer wall of the cutting motor is rotatably connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a cutting knife.

[0008] Preferably, the outer wall of the protective frame is slidably connected with the inner wall of the cutting frame, the outer wall of the worm wheel is engaged with the outer wall of the worm, the outer wall of the gear is engaged with the outer wall of the toothed rod, rotating the worm drives the worm wheel engaged with the worm to rotate, the gear fixedly connected with the rotating rod rotates, drives the toothed rod to slide up and down along the inner wall of the top of the cutting frame, and the protective frame fixedly connected with the bottom of the toothed rod also slides up and down on the inner wall of the cutting frame, and the outer wall of the bottom of the cutting frame is fixedly connected with three triangular fixing frames.

[0009] Preferably, the outer wall of the bottom of the cutting frame is fixedly connected with the outer wall of the top of the base, and the cutting frame is arranged on the side close to the positioning frame, the cutting device is fixedly connected with the base of the positioning device through the cutting frame and the triangular fixing frames at the bottom, and the running stability of the cutting device is guaranteed.

[0010] The utility model discloses the beneficial effects are as follows:

[0011] 1. The utility model discloses a positioning device, the cooperation of arc -shaped support plate, adjusting screw rod, sliding rod and sliding groove can be flexibly adjusted support height according to different diameter and length's high tenacity seamless steel pipe, provides stable rear -end support for steel pipe, avoids the unstable phenomenon of clamping because of the uneven distribution of steel pipe's gravity, further guarantees the stability of steel pipe position in the cutting process, reduces the cutting error because of steel pipe shaking or deviation.

[0012] 2. The utility model discloses a cutting device, the cooperation of worm, worm wheel and gear and rack under cutting motor, drive high -speed rotation cutting knife to move, carry out cutting operation, cooperate protective frame simultaneously, effectively isolate high -speed rotation cutting knife with outside environment, prevent the metal scrap produced when cutting from flying everywhere, avoid the risk of accidental injury to the operator's body, create safe working environment for operator. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model discloses;

[0014] Figure 2 is the structural schematic view of the positioning device of the utility model;

[0015] Figure 3 is the structural schematic view of the support frame of the utility model;

[0016] Figure 4 is the structural schematic view of the positioning frame of the utility model;

[0017] Figure 5 is the structural schematic view of the cutting device of the utility model;

[0018] Figure 6 is the structural schematic view of the A place of the utility model Figure 5 ;

[0019] Figure 7 is the structural schematic view of the protective frame of the utility model.

[0020] In the figure: 1, positioning device;11, base;12, support frame;13, sliding groove;14, sliding rod;15, arc-shaped support plate;16, adjusting threaded rod;17, positioning frame;18, positioning groove;19, two-way threaded rod;191, positioning clamping plate;2, cutting device;21, cutting frame;211, toothed rod;22, adjusting frame;221, worm;222, rotating rod;223, gear;224, worm gear;23, protective frame;24, cutting motor;25, rotating shaft;26, cutting knife. DETAILED DESCRIPTION

[0021] The utility model will be explained further in detail in combination with the drawings and specific embodiments. The embodiments of the utility model are given for example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical application of the utility model, and enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

[0022] Embodiment:

[0023] Please refer to Figure 1 - Figure 7The utility model provides a technical scheme: a high tenacity seamless steel tube processing is with cutting device, it includes: positioning device 1, the outer wall fixed connection of positioning device 1 has cutting device 2, positioning device 1 includes base 11, the outer wall fixed connection of base 11 top has support frame 12, the outer wall of support frame 12 is opened in the symmetry sliding slot 13, the inner wall sliding connection of sliding slot 13 has sliding rod 14, the outer wall fixed connection of sliding rod 14 top has arc bracing 15, the outer wall rotationally connected of arc bracing 15 bottom has adjusting screw rod 16, the outer wall fixed connection of base 11 top has locating frame 17, the outer wall of locating frame 17 is opened and has locating groove 18, the inner wall of locating groove 18 is rotationally connected with two -way threaded rod 19, the outer wall of two -way threaded rod 19 is connected with the outer wall of locating clamping plate 191 in the symmetry screw thread.

[0024] The outer wall of adjusting screw rod 16 is connected with the inner wall of the top of support frame 12 in screw thread, the outer wall of arc bracing 15 bottom is in contact with the outer wall of the top of support frame 12, rotating adjusting screw rod 16 drives the axial movement of arc bracing 15 rotationally connected with it, and sliding rod 14 slides up and down along sliding slot 13.

[0025] The outer wall of locating clamping plate 191 is connected with the inner wall of locating groove 18 in sliding, rotating two -way threaded rod 19, due to the screw thread characteristics of two -way threaded rod 19, will make two locating clamping plates 191 slide in locating groove 18.

[0026] Cutting device 2 includes cutting frame 21, the inner wall sliding connection of cutting frame 21 top has tooth bar 211, the outer wall fixed connection of tooth bar 211 cutting frame 21 top has adjusting frame 22, the inner wall rotationally connected of tooth bar 211 adjusting frame 22 has worm 221, the inner wall rotationally connected of tooth bar 211 adjusting frame 22 has rotary rod 222, the outer wall fixed connection of tooth bar 211 rotary rod 222 has gear 223 and worm wheel 224, the outer wall fixed connection of tooth bar 211 bottom has protection frame 23, the inner wall fixed connection of protection frame 23 has cutting motor 24, the outer wall rotationally connected of cutting motor 24 has rotating shaft 25, the outer wall fixed connection of rotating shaft 25 has cutting knife 26.

[0027] The outer wall of protection frame 23 is connected with the inner wall of cutting frame 21 in sliding, the outer wall of tooth bar 211 worm wheel 224 is engaged with the outer wall of worm 221, the outer wall of tooth bar 211 gear 223 is engaged with the outer wall of tooth bar 211, rotating worm 221 drives the rotation of worm wheel 224 engaged with it, gear 223 fixedly connected with rotary rod 222 also rotates, drives tooth bar 211 to slide up and down along the inner wall of cutting frame 21 top, the protection frame 23 fixedly connected with the outer wall of its bottom also slides up and down on the inner wall of cutting frame 21, the outer wall of cutting frame 21 bottom is fixedly connected with triangular fixed frame.

[0028] The outer wall of the bottom of the cutting frame 21 is fixedly connected with the outer wall of the top of the base 11, and the cutting frame 21 is arranged on the side close to the positioning frame 17, and the cutting device 2 is fixedly connected with the base 11 of the positioning device 1 through the cutting frame 21 and the triangular fixing frame at the bottom, so that the running stability of the cutting device 2 is ensured.

[0029] Working principle: first, the high-toughness seamless steel pipe to be processed is placed on the positioning device 1, the base 11 provides a stable support foundation for the whole device, the high-toughness seamless steel pipe is placed in the middle of the symmetrically arranged positioning clamping plates 191 in the positioning frame 17, then the bidirectional threaded rod 19 is rotated, due to the threaded characteristics of the bidirectional threaded rod 19, the two positioning clamping plates 191 will slide towards each other in the positioning groove 18, so as to clamp the high-toughness seamless steel pipe from both sides, accurately determine the position of the high-toughness seamless steel pipe in the axial direction, prevent the axial displacement of the high-toughness seamless steel pipe during cutting, then the adjusting threaded rod 16 is rotated, since the arc-shaped supporting plate 15 is fixedly connected with the sliding rod 14, and the sliding rod 14 is slidingly connected with the sliding groove 13 in the supporting frame 12, the rotation of the adjusting threaded rod 16 will cause the axial movement of the adjusting threaded rod 16 relative to the supporting frame 12, and then drive the arc-shaped supporting plate 15 connected with the adjusting threaded rod 16 to slide upwards along the sliding rod 14 in the sliding groove 13, so that the outer wall of the top of the arc-shaped supporting plate 15 contacts with the outer wall of the high-toughness seamless steel pipe, supporting the rear end of the high-toughness seamless steel pipe, avoiding the instability of clamping caused by the gravity of the rear end of the high-toughness seamless steel pipe due to the length of the rear end, after determining the support height of the steel pipe, the bidirectional threaded rod 19 is rotated again to finely adjust the positioning clamping plates 191, so that the positioning clamping plates 191 are more closely attached to the high-toughness seamless steel pipe, ensuring the stability of subsequent cutting.

[0030] After the high-toughness seamless steel pipe is fixed, the worm 221 on the adjusting frame 22 is rotated to drive the worm wheel 224 engaged with the worm 221 to rotate, the gear 223 fixedly connected with the worm wheel 224 also rotates to drive the toothed rod 211 to slide up and down along the inner wall of the top of the cutting frame 21, and the protective frame 23 fixedly connected with the bottom outer wall of the toothed rod 211 also slides up and down on the inner wall of the cutting frame 21. Before the toothed rod 211 slides, the cutting motor 24 is started first, the cutting motor 24 starts to rotate to drive the rotating shaft 25 connected with the cutting motor 24 to rotate at high speed, and the cutting knife 26 fixedly connected with the outer wall of the rotating shaft 25 also rotates at high speed synchronously. The toothed rod 211 controls the protective frame 23 to drive the cutting knife 26 to descend at a constant speed, so that the cutting knife 26 rotating at high speed contacts with the high-toughness seamless steel pipe positioned, and gradually cuts off the head of the steel pipe by virtue of the high-speed rotation of the cutting knife 26 and the sharp blade of the cutting knife 26. Under the protection of the protective frame 23, the cutting process can also avoid the splashing of debris and other situations, so as to realize safe and precise cutting operation. The cutting device 2 is fixedly connected with the base 11 of the positioning device 1 through the cutting frame 21 and the triangular fixing frame at the bottom, so that the running stability of the cutting device 2 is ensured.

[0031] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A cutting device for processing high-toughness seamless steel pipes, characterized in that, Include: Positioning device (1), the outer wall of positioning device (1) is fixedly connected with cutting device (2); The positioning device (1) comprises a base (11), the outer wall of the top of the base (11) is fixedly connected with a support frame (12), the outer wall of the support frame (12) is symmetrically provided with a sliding groove (13), the inner wall of the sliding groove (13) is slidably connected with a sliding rod (14), the outer wall of the top of the sliding rod (14) is fixedly connected with an arc-shaped supporting plate (15), the outer wall of the bottom of the arc-shaped supporting plate (15) is rotatably connected with an adjusting threaded rod (16), the outer wall of the top of the base (11) is fixedly connected with a positioning frame (17), the outer wall of the positioning frame (17) is provided with a positioning groove (18), the inner wall of the positioning groove (18) is rotatably connected with a bidirectional threaded rod (19), and the outer wall of the bidirectional threaded rod (19) is symmetrically and threadedly connected with a positioning clamping plate (191).

2. A high toughness seamless pipe processing cut head device according to claim 1, characterized in that: The outer wall of the adjusting threaded rod (16) is threadedly connected with the inner wall of the top of the support frame (12), and the outer wall of the bottom of the arc-shaped supporting plate (15) is in contact with the outer wall of the top of the support frame (12).

3. A high toughness seamless pipe processing cut head device according to claim 1, characterized in that: The outer wall of the positioning clamping plate (191) is slidably connected with the inner wall of the positioning groove (18).

4. The high toughness seamless pipe processing cut head device according to claim 1, characterized in that: The cutting device (2) comprises a cutting frame (21), the inner wall of the top of the cutting frame (21) is slidably connected with a toothed rod (211), the outer wall of the top of the cutting frame (21) is fixedly connected with an adjusting frame (22), the inner wall of the adjusting frame (22) is rotatably connected with a worm (221), the inner wall of the adjusting frame (22) is rotatably connected with a rotating rod (222), the outer wall of the rotating rod (222) is fixedly connected with a gear (223) and a worm wheel (224), the outer wall of the bottom of the toothed rod (211) is fixedly connected with a protective frame (23), the inner wall of the protective frame (23) is fixedly connected with a cutting motor (24), the outer wall of the cutting motor (24) is rotatably connected with a rotating shaft (25), and the outer wall of the rotating shaft (25) is fixedly connected with a cutting knife (26).

5. A trimmer device for high toughness seamless steel pipe processing according to claim 4, characterized in that: The outer wall of the protective frame (23) is slidably connected with the inner wall of the cutting frame (21), the outer wall of the worm wheel (224) is engaged with the outer wall of the worm (221), the outer wall of the gear (223) is engaged with the outer wall of the toothed rod (211), and the bottom outer wall of the cutting frame (21) is symmetrically fixedly connected with a triangular fixing frame.

6. A trimmer device for high toughness seamless steel pipe processing according to claim 4, characterized in that: The outer wall of the bottom of the cutting frame (21) is fixedly connected with the outer wall of the top of the base (11), and the cutting frame (21) is arranged on one side close to the positioning frame (17).

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