CN102814538B - A steel pipe axial cutting machine - Google Patents

Abstract

The invention relates to a steel pipe axial cutting machine. Its technical scheme is: be installed on the speed-regulating motor (19) output shaft on the upper plane of platform (6) milling cutter (4) is installed, the radial slide block (9) slide sleeve that platform (6) lower plane four corners is installed is in On the corresponding sliding rods (10) on the same side, the sliding rods (10) are respectively fixed on both sides of the axial slider (5), and the axial slider (5) is slipped on the guide rail (3); through the axial The feed handwheel (2) drives the axial slider (5) to slide along the guide rail (3) through thread transmission, so as to realize the axial movement of the milling cutter (4) along the steel pipe (1); through the radial feed handwheel (7 ) drives the platform (6) to slide along the slide rod (10) through thread transmission, so as to realize the radial movement of the milling cutter (4) along the steel pipe (1); adjust the movable clamping block (14) by clamping the handwheel (17) to The cutting machine is fixed on the steel pipe (1). The invention adopts a mechanical cutting method, has a simple structure, is suitable for axial cutting of steel pipes laid with cables, natural gas pipelines, petroleum gas pipelines, etc., and has good market prospects.

Description

A steel pipe axial cutting machine

technical field

The invention belongs to the technical field of steel pipe cutting machines. Specifically relates to a steel pipe axial cutting machine.

Background technique

With the development of society, steel pipe products are widely used in all walks of life, and there are more and more processing methods for steel pipes. There are a large number of steel pipe cutting equipment on the market, such as electric cutting machines and oxygen cutting devices, but these equipment are mainly aimed at the treatment of steel pipes before installation, and are mainly used for end face cutting of steel pipes, that is, radial cutting, so there are Certain limitations.

At present, when repairing a pipeline with cables laid, it is often necessary to strip and cut part of the damaged pipeline, that is, to cut axially and radially. Due to the particularity and complexity of the construction site, special equipment is required to carry out the cutting. To ensure a better cutting effect. In addition, because the cable itself cannot withstand high temperatures, in order to ensure safety, the cutting equipment needs to generate less heat during the cutting process. A large number of existing cold cutting processing equipment can only achieve radial cutting of steel pipes.

Contents of the invention

The invention aims to solve the problems of the prior art, and aims to provide a steel pipe axial cutting machine with simple structure, capable of cutting along the axial direction and generating less heat during the cutting process.

In order to achieve the above object, the technical solution adopted by the present invention is: the milling cutter is installed on the output shaft of the speed-regulating motor, the speed-regulating motor is fixedly installed on the upper plane of the platform, radial sliders are respectively fixed at the four corners of the lower plane of the platform, and the platform The two radial sliders on both sides are slidingly sleeved on the respective corresponding sliding rods on the same side, and the sliding rods are respectively fixed on both sides of the axial slider.

The axial slider is a rectangular block, and an axial threaded hole is processed in the middle of the horizontal plane of the rectangular block. The two sides of the axial threaded hole are symmetrically provided with axial hole-shaped slideways, and any axial hole-shaped slideway and A radial threaded hole is arranged in the middle of the axial threaded hole, and the radial threaded hole is perpendicular to the axial hole-shaped slideway.

The axial slider slides on the corresponding guide rail through two axial hole-shaped slideways, the axial threaded hole of the axial slider is threadedly connected with the axial feed screw, and one end of the axial feed screw is equipped with an axial Feed handwheel The other end of the axial feed screw is movably installed on the base.

The middle part of the base is welded by rectangular steel plates with clamping openings on the upper and lower layers. The left rectangular block is fixed on the left side of the rectangular steel plate, and the axial feed is movable in the middle position of the upper plane of the left rectangular block. Two guide rails are symmetrically fixed on both sides of the screw; the right rectangular block is fixed on the right side of the rectangular steel plate, and a threaded hole is provided in the middle of the right rectangular block, and the threaded hole is threadedly connected with the clamping screw, and the right end of the clamping screw Equipped with a clamping hand wheel, the left end of the clamping screw is connected with the movable clamping block through a spherical pair; the left side of the clamping port is equipped with a fixed clamping block.

The radial feed screw rod is installed on the lower plane of the platform, the radial feed screw rod is threadedly connected with the radial threaded hole of the axial slide block, and the radial feed screw rod is installed at one end of the radial feed screw rod.

The platform is a rectangular steel plate, a rectangular hole is opened in the middle of the rectangular steel plate, and the middle part of one side of the rectangular steel plate is recessed.

The clamping opening is rectangular, and the clamping opening is located on the right half of the rectangular steel plate.

Both the fixed clamping block and the movable clamping block are arc surfaces, and the radius of curvature of the arc surface of the fixed clamping block and the arc surface of the movable clamping block are equal; the central axis of the arc surface of the fixed clamping block is respectively Parallel to the axis of the axial feed screw and guide.

Due to the adoption of the above-mentioned technical scheme, the radial slider sliding sleeves installed at the four corners of the lower plane of the platform of the present invention are on the respective corresponding same-side sliding rods, and the sliding rods are respectively fixed on both sides of the axial slider, and the axial slider sliding sleeves On the guide rail; drive the axial slider to slide along the guide rail through the axial feed handwheel through thread transmission, and realize the axial movement of the milling cutter along the steel pipe; drive the platform to slide along the slide bar through the radial feed handwheel through thread transmission, Realize the radial movement of the milling cutter along the steel pipe; adjust the movable clamping block by clamping the hand wheel to fix the cutting machine on the steel pipe. Therefore, the present invention has the following advantages:

1. This equipment adopts the mechanical cutting method, and uses the speed-regulating motor to drive the milling cutter to realize the axial cutting of the steel pipe, which is suitable for the processing of various types of steel pipes. The heat generated during the processing is small, and the processing efficiency is high. It is suitable for the processing of steel pipes with cables, natural gas pipelines, and petroleum gas pipelines.

2. This equipment uses the radial feed screw to cooperate with the sliding rod to realize the adjustment of the radial feed of the milling cutter, and uses the axial feed screw to cooperate with the guide rail to realize the adjustment of the axial feed of the milling cutter. The structure is simple, the operation is convenient, and the repair.

3. This equipment uses the fixed clamping block and the movable clamping block to realize the fixing of the cutting machine on the steel pipe, which ensures the parallelism between the guide rail and the steel pipe axis, so that the milling cutter can cut smoothly along the steel pipe axis. It is easy to install and has good processing effect. .

4. This equipment adopts screw fit to realize the adjustment of the feed rate of the milling cutter, and the machining accuracy is high.

Therefore, this equipment has the characteristics of simple structure, cutting along the axial direction of the steel pipe, and less heat generated during the cutting process. It is suitable for axial cutting of steel pipes with cables laid, natural gas pipelines, petroleum gas pipelines, etc., and has a good market prospect. .

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is the left view structural representation of the present invention;

Fig. 3 is the A-A direction view of Fig. 1;

Fig. 4 is a B-B arrow view of Fig. 2 .

Detailed ways

The present invention will be further described below in conjunction with specific embodiment, is not the limitation of its protection scope:

A steel pipe axial cutting machine, its structural schematic diagram as shown in Figure 1 and Figure 2: the milling cutter 4 is installed on the output shaft of the speed-regulating motor 19, and the speed-regulating motor 19 is fixedly installed on the upper plane of the platform 6, and the The four corners of the lower plane are respectively fixed with radial sliders 9, and the two radial sliders 9 on both sides of the platform 6 are slidingly sleeved on the respective corresponding slide bars 10 on the same side, and the slide bars 10 are respectively fixed on the two ends of the axial slider 5. side.

As shown in Figure 4, the axial slider 5 is a rectangular block, and an axial threaded hole is processed at the middle position of the horizontal plane of the rectangular block, and the two sides of the axial threaded hole are symmetrically provided with axial hole-shaped slideways. A radial threaded hole is arranged between the axial hole-shaped slideway and the axial threaded hole, and the radial threaded hole is perpendicular to the axial hole-shaped slideway.

The axial slider 5 slides on the corresponding guide rail 3 through two axial hole-shaped slideways, the axial threaded hole of the axial slider 5 is threadedly connected with the axial feed screw 18, and the axial feed screw 18 One end is equipped with the axial feed hand wheel 2 and the other end of the axial feed screw rod 18 is movably installed on the base 12 .

As shown in Figure 3, the middle part of the base 12 is welded by rectangular steel plates with clamping openings 20 on the upper and lower layers. The left rectangular block 11 is fixed on the left side of the rectangular steel plate. Two guide rails 3 are fixed symmetrically on the axial feed screw rod 18 both sides that the position place movable is equipped with. The right side of rectangular steel plate is fixed with right rectangular block 16, and the middle position of right rectangular block 16 is provided with threaded hole, and threaded hole is threadedly connected with clamping screw rod 15, and the right end of clamping screw rod 15 is equipped with clamping hand wheel 17, clamps The left end of the tightening screw 15 is connected with the movable clamping block 14 through a spherical pair; the left side of the clamping port 20 is equipped with a fixed clamping block 13 .

The radial feed screw 8 is installed on the lower plane of the platform 6, the radial feed screw 8 is threadedly connected with the radial threaded hole of the axial slider 5, and the radial feed hand wheel 7 is installed on the radial feed screw 8 one end.

The platform 6 is a rectangular steel plate, a rectangular hole is opened in the middle of the rectangular steel plate, and the middle part of one side of the rectangular steel plate is recessed.

The clamping opening 20 is rectangular, and the clamping opening 20 is located in the right half of the rectangular steel plate.

The fixed clamping block 13 and the movable clamping block 14 are arc surfaces, and the radius of curvature of the arc surface of the fixed clamping block 13 and the arc surface of the movable clamping block 14 are equal; The central axis of the face is parallel to the axes of the axial feed screw 18 and the guide rail 3 respectively.

The radial sliders 9 installed at the four corners of the lower plane of the platform 6 of the specific embodiment are slid on the respective corresponding same-side sliders 10, and the sliders 10 are respectively fixed on both sides of the axial slider 5, and the axial slider 5 The sliding sleeve is on the guide rail 3; the axial slider 5 is driven to slide along the guide rail 3 through the axial feed handwheel 2 through thread transmission, so as to realize the axial movement of the milling cutter 4 along the steel pipe 1; through the radial feed handwheel 7 through The screw drive drives the platform 6 to slide along the slide bar 10 to realize the radial movement of the milling cutter 4 along the steel pipe 1 ; Therefore, this embodiment has the following advantages:

1. This equipment adopts the mechanical cutting method, uses the speed regulating motor 19 to drive the milling cutter 4 to realize the axial cutting of the steel pipe 1, and is suitable for processing various types of steel pipes. The heat generated during the processing is small, and the processing efficiency is high. It is suitable for the processing of steel pipes with cables, natural gas pipelines, and petroleum gas pipelines.

2. This equipment uses the radial feed screw 8 to cooperate with the slide rod 10 to realize the adjustment of the radial feed amount of the milling cutter 4, and uses the axial feed screw 18 to cooperate with the guide rail 3 to realize the adjustment of the axial feed amount of the milling cutter 4. The structure Simple, easy to operate and easy to maintain.

3. This equipment uses the fixed clamping block 13 and the movable clamping block 14 to realize the fixing of the cutting machine on the steel pipe 1, which ensures the parallelism between the guide rail 3 and the axis of the steel pipe 1, so that the milling cutter 4 can cut smoothly along the axial direction of the steel pipe 1. , simple installation, good processing effect.

4. This equipment adopts screw fit to realize the adjustment of the milling cutter 4 feed rate, and the processing accuracy is high.

Therefore, this equipment has the characteristics of simple structure, cutting along the axial direction of the steel pipe, and less heat generated during the cutting process. It is suitable for axial cutting of steel pipes with cables laid, natural gas pipelines, petroleum gas pipelines, etc., and has a good market prospect. .

Claims (4)

1. a steel shaft is to cutting machine, it is characterized in that milling cutter (4) is arranged on the output shaft of buncher (19), buncher (19) is fixedly mounted in the upper plane of platform (6), four jiaos of the lower planes of platform (6) are fixed with respectively radial slider (9), it is upper that 2 radial slider (9) of platform (6) both sides slide over each self-corresponding homonymy slide bar (10), and slide bar (10) is separately fixed at the both sides of axial slider (5);

Axial slider (5) is rectangular block, centre position place at rectangular block horizontal plane is processed with axial thread hole, be provided with to the bilateral symmetry in axial thread hole axial poroid slideway, in the middle of arbitrary axial hole shape slideway and axial thread hole, be provided with radial screw bore, radial screw bore is vertical with axial poroid slideway;

Axial slider (5) slides on corresponding guide rail (3) by two axial poroid slideways, the axial thread hole of axial slider (5) and axial feed screw rod (18) thread connection, axial feed handwheel (2) is equipped with in one end of axial feed screw rod (18), and the other end of axial feed screw rod (18) is movably arranged on base (12);

The mid portion of base (12) is that the upper and lower two-layer rectangular steel plates that is equipped with clamp port (20) is welded, the left side of rectangular steel plates is fixed with left rectangular block (11), axial feed screw rod (18) both sides of being equipped with in the centre position place activity of the upper plane of left rectangular block (11), are fixedly equipped with 2 guide rails (3) symmetrically; The right side of rectangular steel plates is fixed with right rectangular block (16), the centre position place of right rectangular block (16) is provided with screwed hole, screwed hole and clamping screw (15) thread connection, the right-hand member of clamping screw (15) is equipped with and clamps handwheel (17), and the left end of clamping screw (15) is connected by spherical pair with movable clamping piece (14); The left side of clamp port (20) is provided with and fixes to clamp piece (13);

Radial feed screw rod (8) is arranged on the lower plane of platform (6), the radial screw bore thread connection of radial feed screw rod (8) and axial slider (5), radial feed handwheel (7) is arranged on one end of radial feed screw rod (8).

2. steel shaft according to claim 1, to cutting machine, is characterized in that described platform (6) is for rectangular steel plates, and the centre position place of rectangular steel plates has rectangular opening, and rectangular steel plates middle part is on one side recessed.

3. steel shaft according to claim 1, to cutting machine, is characterized in that described clamp port (20) is for rectangular-shaped, and clamp port (20) is positioned at the right half part of rectangular steel plates.

4. steel shaft according to claim 1 is to cutting machine, described in it is characterized in that, fix to clamp piece (13) and movable clamping piece (14) is arc surface, the radius of curvature that fixes to clamp the arc surface of piece (13) and the arc surface of movable clamping piece (14) equates; The central axis that fixes to clamp piece (13) arc surface is parallel with the axis of guide rail (3) with axial feed screw rod (18) respectively.

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