CN113145921B

CN113145921B - Hollow pipe cutting machine

Info

Publication number: CN113145921B
Application number: CN202110487102.0A
Authority: CN
Inventors: 林啊振
Original assignee: Guangzhou Pearl River Machine Tool Works Co ltd
Current assignee: Guangzhou Pearl River Machine Tool Works Co ltd
Priority date: 2021-05-04
Filing date: 2021-05-04
Publication date: 2022-11-29
Anticipated expiration: 2041-05-04
Also published as: CN113145921A

Abstract

The utility model discloses a hollow tube cutting machine, its structure includes splint, cutting device, the hollow tube, the supporting legs, the chip removal pipe, press from both sides tight adjustment mechanism down, well cartridge, go up and press from both sides tight adjustment mechanism, the adjustable ring, the bottom surface fixedly connected with supporting legs of well cartridge, the supporting legs is equipped with four, the bottom surface center of well cartridge is connected with the chip removal pipe perpendicularly, this product can support the hollow tube of different specifications and press from both sides tightly, use the hollow tube to be quiet, use the blade to move, cut with this, and the hollow tube is arranged in well cartridge, can prevent that the cutting bits from splashing everywhere, make the cutting bits can take advantage of the situation landing, discharge through the chip removal pipe, be convenient for collect the clearance, reduce the clearance burden, improve operation safety of operator, can provide a good operation environment for the operator, can support the both ends at well tube cutting position, take place to warp when preventing the hollow tube cutting and sink.

Description

Hollow tube cutting machine

Technical Field

The invention relates to the technical field of hollow pipe machining, in particular to a hollow pipe cutting machine.

Background

Like the steel pipe, the drain pipe all belongs to the hollow tube, the hollow tube has metal material also to have non-metal material, it also has thinly to have thick, because the hollow tube has hollow section, intensity is a lot of weak for solid, when cutting, because current cutting machine technique is perfect inadequately, the rotary cutting of blade can produce stronger stress to the hollow tube, thereby easily lead to the hollow tube to sink, the deformation, and all be outside-in cutting to the cutting of hollow tube, this cutting process can lead to cutting bits to splash everywhere, not only danger coefficient is high, the burden of operational environment clearance has still been increased.

Disclosure of Invention

The invention provides a hollow tube cutting machine, which aims at solving the problems that the existing cutting machine is not perfect in technology, the rotary cutting of a blade can generate strong stress on a hollow tube, so that the hollow tube is easy to collapse and deform, the cutting of the hollow tube is from outside to inside, cutting scraps can splash everywhere in the cutting process, the danger coefficient is high, and the burden of cleaning the operation environment is increased.

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a hollow tube cutting machine, its structure includes splint, cutting device, hollow tube, supporting legs, chip removal pipe, presss from both sides tight adjustment mechanism, well cavity section of thick bamboo, goes up and presss from both sides tight adjustment mechanism, adjustable ring down, the bottom surface fixedly connected with supporting legs of well cavity section of thick bamboo, the supporting legs is equipped with four, the bottom surface center of well cavity section of thick bamboo is connected with the chip removal pipe perpendicularly, the one end clearance fit of well cavity section of thick bamboo has the adjustable ring, the inside of well cavity section of thick bamboo is fixed with cutting device, four oblique positions of cutting device all are equipped with splint, splint are equipped with four, and two splint in the top link to each other with well cavity section of thick bamboo through last tight adjustment mechanism, and two splint in the below meet through pressing from both sides tight adjustment mechanism down, the hollow tube runs through in cutting device and splint contact, the hollow tube is located between cutting device and the splint.

Rectangular groove has been seted up to the bottom of cavity section of thick bamboo, and rectangular inslot is equipped with the bits board of leading that two slopes set up, two it describes the setting to lead the bits board to be interior eight, two it forms the chip removal mouth to lead between the bits board, chip removal mouth and chip removal pipe seamless connection.

The cutting device comprises a first supporting plate, a hydraulic cylinder, a cutting plate and a second supporting plate, an inner rod of the hydraulic cylinder is vertically connected with the center of the first supporting plate, the first supporting plate is connected with the second supporting plate through the cutting plate, and a cylinder body of the hydraulic cylinder is fixedly connected with the center of the inner end face of the hollow cylinder;

the cutting disc comprises a disc, a connecting rod, a cutter disc, blades, a translation plate, a limiting guide plate, a rotating rod, a molding block and a micro motor, wherein the micro motor is arranged inside the disc, an output shaft of the micro motor is connected with the center of the rotating rod, the two ends of the rotating rod are perpendicularly connected with the molding block, the molding block is movably matched with the translation plate, the two ends of the translation plate are in sliding fit with the limiting guide plate, the limiting guide plate is provided with two blocks of connecting rods, the connecting rod is fixedly connected with the center of one face of the translation plate, which is far away from the rotating rod, the cutter disc is installed on the connecting rod, and the blades are arranged in the cutter disc.

As the optimization, a supporting disk is the same with No. two supporting disk structures, a supporting disk is including disk body, movable passage, steel ball, bracing piece, magnet, electromagnetism magnet ring, the disk body internal center is fixed with the electromagnetism magnet ring, the outer wall of electromagnetism magnet ring is just relative with magnet, be equipped with movable passage in the disk body, movable passage is equipped with twelve and above and just is the circle array and lays, movable passage all cooperates the bracing piece, magnet inlays in the one end of bracing piece, the other end of bracing piece is equipped with the steel ball, disk body and disk fixed connection.

Preferably, the clamping plate comprises a plate body, a ball assembly, a vertical rod and a buckling plate, wherein the ball assembly is arranged in the plate body, two ends of the ball assembly are connected with the buckling plate through the vertical rod, and the buckling plate is buckled with the plate body.

Preferably, an inner groove is formed in the plate body, an outer groove is formed outside the plate body, the outer groove and the inner groove are arranged alternately, a long-strip-shaped opening is formed in one surface, facing the buckling plate, of the plate body, the long-strip-shaped opening is used for being matched with the buckling plate, and the ball assembly is matched with the inner groove.

Preferably, the ball assembly comprises a ball body, a guide block and a guide cover, wherein the ball body is internally provided with cooling liquid, the two ends of the ball body are respectively fixed with the guide block in a shape, the guide block is movably matched with the guide cover, the guide cover is fixedly connected with the vertical rod, and 1/5 of the ball body penetrates through the inner groove to be in contact with the hollow pipe.

As optimization, go up and press from both sides tight adjustment mechanism including roof, last guide pulley, go up the bracer, go up the line, the through-hole has been seted up on the roof, through-hole department all is equipped with the guide pulley, the through-hole is equipped with five and above, adjacent two be equipped with the last bracer of being connected with the roof is perpendicular between the through-hole, it has seted up the arc passageway to go up the bracer, it passes the arc passageway and cooperates with last guide pulley to go up the line, it installs the urceolus inner wall at well hollow cylinder to go up the guide pulley, it passes the inner tube and the plate connection of well hollow cylinder to go up the bracer.

Preferably, the lower clamping adjusting mechanism comprises a lower supporting block, a lower guide wheel, a bottom plate and a lower connecting line, the lower supporting block is fixed on the lower supporting block and distributed with the lower guide wheel alternately, round holes are formed in two ends of the bottom plate, an arc channel is formed in the lower supporting block, the lower connecting line penetrates through the round holes and connects the lower supporting block in series through the lower guide wheel, and the lower guide wheel is connected with the inner wall of the inner cylinder of the hollow cylinder.

Preferably, the adjusting ring is connected with the upper connecting line and the lower connecting line, the adjusting ring rotates anticlockwise to release the upper connecting line and generate tension on the lower connecting line, and the adjusting ring rotates clockwise to release the lower connecting line and generate tension on the upper connecting line.

To sum up, through splint, cutting device, the hollow tube, the supporting legs, the chip removal pipe, press from both sides tight adjustment mechanism down, the cavity section of thick bamboo, go up and press from both sides tight adjustment mechanism, the combination setting of adjustable ring, can arrange the hollow tube in the cavity section of thick bamboo, can support the hollow tube of different specifications and press from both sides tightly, use the hollow tube to be quiet, use the blade to move, cut with this, and the hollow tube is arranged in, can prevent that the cutting bits from splashing everywhere, make the cutting bits can take advantage of the situation landing, discharge through the chip removal pipe, be convenient for collect the clearance, reduce the clearance burden, improve operator's operation safety, can provide a good operational environment for the operator.

The cutting device is combined with the first supporting plate, the hydraulic cylinder, the cutting plate and the second supporting plate, so that two ends of a cutting part of a hollow pipe can be supported, the hollow pipe is prevented from deforming and collapsing when being cut, the principle that like poles repel each other is utilized, the cutting device is suitable for hollow pipes of different specifications, the hydraulic cylinder is in transmission connection with an external motor, the cutting device can integrally rotate, and the purpose of cutting the hollow pipe is achieved through the rotary displacement of the blade.

Drawings

Fig. 1 is a schematic structural view of a hollow pipe cutting machine according to the present invention.

Fig. 2 is a schematic structural view of the cutting device of the present invention engaged with a hollow tube.

Fig. 3 is a schematic cross-sectional view of the cutting disk of the present invention.

Fig. 4 is a schematic cross-sectional view of a first support disk according to the present invention.

Fig. 5 is a schematic front perspective view of the splint of the present invention.

Fig. 6 is a schematic perspective view of the vertical bar, the ball assembly and the fastening plate of the present invention.

Fig. 7 is a schematic reverse perspective view of the splint of the present invention.

Fig. 8 is a schematic cross-sectional view of the ball assembly of the present invention.

Fig. 9 is a schematic structural view of a first operating state of the upper clamp adjusting mechanism of the present invention.

Fig. 10 is a structural view illustrating a second operation state of the upper clamp adjusting mechanism of the present invention.

Fig. 11 is a schematic structural view of a first operating state of the lower clamp adjustment mechanism of the present invention.

Fig. 12 is a schematic structural view showing a second operating state of the lower clamp adjustment mechanism of the present invention.

FIG. 13 is a schematic cross-sectional view of the hollow cylinder of the present invention.

In the figure: the cutting device comprises a clamping plate 1, a cutting device 2, a hollow tube 3, a supporting leg 4, a chip removal tube 5, a lower clamping adjusting mechanism 6, a hollow cylinder 7, an upper clamping adjusting mechanism 8, an adjusting ring 9, a first supporting plate 21, a hydraulic cylinder 22, a cutting disc 23, a second supporting plate 24, a disc 230, a connecting rod 231, a cutter disc 232, a blade 233, a translation plate 234, a limiting guide plate 235, a rotating rod 236, a T-shaped block 237, a micro motor 238, a plate body 11, a ball component 12, an upright rod 13, a buckling plate 14, an inner groove 101, an outer groove 104, a long opening 102, a top plate 801, an upper guide wheel 802, an upper supporting block 803, an upper connecting line 804, a through hole a, an arc-shaped channel b, a lower supporting block 601, a lower guide wheel 602, a bottom plate 603, a lower connecting line 604, a circular hole c and an arc channel d.

Detailed Description

In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, fig. 1 to 13 schematically show the structure of a hollow pipe cutting machine according to an embodiment of the present invention, and the present invention will be further described with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "side", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1, the present invention provides a hollow tube cutting machine, which structurally comprises clamping plates 1, cutting devices 2, hollow tubes 3, supporting legs 4, scrap discharging tubes 5, a lower clamping adjusting mechanism 6, a hollow cylinder 7, an upper clamping adjusting mechanism 8 and an adjusting ring 9, wherein the bottom surface of the hollow cylinder 7 is fixedly connected with the supporting legs 4, the number of the supporting legs 4 is four, the scrap discharging tubes 5 are vertically connected with the center of the bottom surface of the hollow cylinder 7, the adjusting ring 9 is movably matched with one end of the hollow cylinder 7, the cutting devices 2 are fixed inside the hollow cylinder 7, the clamping plates 1 are arranged in four oblique directions of the cutting devices 2, the clamping plates 1 are four, the upper clamping plates 1 are connected with the hollow cylinder 7 through the upper clamping adjusting mechanism 8, the lower clamping plates 1 are connected with the hollow cylinder 7 through the lower clamping adjusting mechanism 6, the hollow tubes 3 penetrate through the cutting devices 2 to be in contact with the clamping plates 1, and the hollow tubes 3 are located between the cutting devices 2 and the clamping plates 1.

This cutting machine can put into hollow tube 7 with hollow tube 3, through last tight adjustment mechanism 8 of clamp, press from both sides tight adjustment mechanism 6 down, splint 1 realizes the support centre gripping to hollow tube 3, can be adapted to the hollow tube of different specifications simultaneously, cut hollow tube 3 through cutting device 2, and hollow tube 7 is arranged in to hollow tube 3, can prevent that the cutting bits from splashing everywhere, make the cutting bits can take advantage of the situation landing, discharge through chip removal pipe 5, be convenient for collect the clearance, reduce the clearance burden.

Referring to fig. 2, the cutting device 2 includes a first supporting plate 21, a hydraulic cylinder 22, a cutting plate 23, and a second supporting plate 24, an inner rod of the hydraulic cylinder 22 is vertically connected to a center of the first supporting plate 21, the first supporting plate 21 is connected to the second supporting plate 24 through the cutting plate 23, and a cylinder body of the hydraulic cylinder 22 is fixedly connected to a center of an inner end surface of the hollow cylinder 7.

The hydraulic cylinder 22 is arranged to drive the cutting disc 23 to cut different parts of the hollow pipe 3, the first supporting disc 21 and the second supporting disc 24 are arranged to support two ends of the cutting part of the hollow pipe 3, deformation and collapse of the hollow pipe 3 during cutting are prevented, and the hydraulic cylinder 22 is in transmission connection with an external motor, so that the whole cutting device 2 can rotate, and the purpose of cutting the hollow pipe 3 by the cutting device 2 is achieved.

Referring to fig. 3, the cutting disc 23 includes a circular disc 230, a connecting rod 231, a cutter disc 232, a blade 233, a translation plate 234, a limiting guide plate 235, a rotating rod 236, a T-shaped block 237, and a micro motor 238, the micro motor 238 is installed inside the circular disc 230, an output shaft of the micro motor 238 is connected with the center of the rotating rod 236, two ends of the rotating rod 236 are vertically connected with the T-shaped block 237, the T-shaped block 237 is movably matched with the translation plate 234, two ends of the translation plate 234 are slidably matched with the limiting guide plate 235, the limiting guide plate 235 is provided with two blocks and respectively fixed on an inner wall of the cutter disc 232, the connecting rod 231 is fixedly connected to the center of one surface of the translation plate 234 away from the rotating rod 236, the cutter disc 232 is installed on the connecting rod 231, the blade 233 is installed in the cutter disc 232, and the blade is driven to rotate by the micro motor.

The arrangement of the limiting guide plate 235 has the limiting and guiding effects on the translation plate 234, so that the translation plate 234 can only translate, the arrangement of the T-shaped block 237 can apply force to the translation plate 234, and the T-shaped block 237 can drive the translation plate 234 to translate along with the displacement of the connecting rod 231, so that the blade 233 can rotate and displace at the same time, the hollow pipe 3 can be cut from the inside to the outside, and cutting scraps are prevented from splashing everywhere.

Referring to fig. 4, the first supporting plate 21 and the second supporting plate 24 have the same structure, the first supporting plate 21 includes a plate body 211, a movable passage 212, steel balls 213, supporting rods 214, a magnet 215, and an electromagnet ring 216, an electromagnet ring 216 is fixed at the center inside the plate body 211, the outer wall of the electromagnet ring 216 is opposite to the magnet 215, the movable passage 212 is provided inside the plate body 211, the movable passage 212 is provided with twelve or more than two and arranged in a circular array, the movable passages 212 are respectively matched with the supporting rods 214, the magnet 215 is embedded at one end of the supporting rods 214, the other end of the supporting rods 214 is provided with the steel balls 213, and the plate body 211 is fixedly connected with the disc 230.

The arrangement of the steel balls 213 enables the first supporting disk 21 and the second supporting disk 24 to rotate along with the hydraulic cylinder 22, so that the hollow tube 3 is used as a static state, and the cutting device 2 is used as a moving state to realize cutting.

Example 2

Referring to fig. 1, the present invention provides a hollow tube cutting machine, which structurally comprises clamping plates 1, cutting devices 2, hollow tubes 3, supporting legs 4, scrap discharge pipes 5, a lower clamping adjusting mechanism 6, a hollow cylinder 7, an upper clamping adjusting mechanism 8 and an adjusting ring 9, wherein the bottom surface of the hollow cylinder 7 is fixedly connected with the supporting legs 4, the number of the supporting legs 4 is four, the scrap discharge pipes 5 are vertically connected with the center of the bottom surface of the hollow cylinder 7, the adjusting ring 9 is movably matched with one end of the hollow cylinder 7, the cutting devices 2 are fixed inside the hollow cylinder 7, the clamping plates 1 are arranged in four oblique directions of the cutting devices 2, the clamping plates 1 are four, the upper clamping plates 1 are connected with the hollow cylinder 7 through the upper clamping adjusting mechanism 8, the lower clamping plates 1 are connected with the hollow cylinder 7 through the lower clamping adjusting mechanism 6, the hollow tubes 3 penetrate through the cutting devices 2 to be in contact with the clamping plates 1, and the hollow tubes 3 are located between the cutting devices 2 and the clamping plates 1

Referring to fig. 13, a long groove is formed at the bottom of the hollow cylinder 7, two chip guide plates 71 are obliquely arranged in the long groove, the two chip guide plates 71 are arranged in an inner eight shape, a chip removal port 72 is formed between the two chip guide plates 71, and the chip removal port 72 is seamlessly connected with the chip removal pipe 5.

Referring to fig. 5-6, the clamping plate 1 includes a plate body 11, a ball assembly 12, an upright rod 13, and a fastening plate 14, the ball assembly 12 is disposed in the plate body 11, two ends of the ball assembly 12 are connected to the fastening plate 14 through the upright rod 13, and the fastening plate 14 is fastened to the plate body 11.

Referring to fig. 7, an inner groove 101 is formed in the plate body 11, an outer groove 104 is formed outside the plate body, the outer grooves 104 and the inner grooves 101 are alternately arranged, a long strip opening 102 is formed on one surface of the plate body 11 facing the buckling plate 14, the long strip opening 102 is used for being matched with the buckling plate 14, and the ball assembly 12 is matched with the inner groove 101.

The width of the outer groove 104 is greater than the thickness of the blade 233, the outer groove 104 can accommodate the blade 233, and after the blade 233 cuts the hollow tube 3, the blade 233 can be prevented from cutting the plate body 11.

Referring to fig. 8, the ball assembly 12 includes a ball body 121, a guide block 122, and a guide cover 123, the ball body 121 is provided with a cooling liquid therein, the two ends of the ball body 121 are fixed with the T-shaped guide block 122, the guide block 122 is movably engaged with the guide cover 123, the guide cover 123 is fixedly connected with the

vertical rod

13, and 1/5 of the ball body 121 passes through the inner groove 101 to contact the hollow tube 3.

The combination setting of guide block 122 and guide cover 123 plays direction, spacing effect to ball body 121, prevents effectively that ball body 121 can only rotate along single straight line to this can not only play the effect of supporting the centre gripping to hollow tube 3, makes hollow tube 3 only carry out the translation, still plays spacing effect to hollow tube 3, can avoid hollow tube 3 to take place to rotate.

Referring to fig. 9 to 10, the upper clamping adjustment mechanism 8 includes a top plate 801, an upper guide wheel 802, an upper support block 803, and an upper connecting wire 804, the top plate 801 is provided with through holes a, the through holes a are provided with the upper guide wheel 802, the through holes a are provided with five or more than five through holes a, the upper support block 803 vertically connected to the top plate 801 is disposed between two adjacent through holes a, the upper support block 803 is provided with an arc-shaped channel b, the upper connecting wire 804 passes through the arc-shaped channel b to be matched with the upper guide wheel 802, the upper guide wheel 802 is installed on the inner wall of the outer cylinder of the hollow cylinder 7, and the upper support block 803 passes through the inner cylinder of the hollow cylinder 7 to be connected to the plate 11.

When the upper connecting wire 804 is pulled, the upper connecting wire 804 can generate a pulling force on the upper supporting block 803, so that the upper supporting block 803 drives the clamping plate connected with the upper supporting block to retract towards the hollow cylinder 7, and conversely, when the upper connecting wire 804 is released, the upper supporting block 803 drives the clamping plate connected with the upper supporting block to extend towards the hollow cylinder 7 based on self weight.

Referring to fig. 11 to 12, the lower clamping adjustment mechanism 6 includes a lower support block 601, a lower guide wheel 602, a bottom plate 603, and a lower connecting line 604, the lower support block 601 is fixed on the lower support block 601, the lower support block 601 and the lower guide wheel 602 are distributed alternately, two ends of the bottom plate 603 are provided with circular holes c, the lower support block 601 is provided with an arc path d, the lower connecting line 604 passes through the circular holes c to connect the lower support block 601 in series through the lower guide wheel 602, and the lower guide wheel 602 is connected to the inner wall of the inner cylinder of the hollow cylinder 7.

When the lower connecting wire 604 is pulled, the lower connecting wire 604 can generate a pulling force on the lower supporting block 601, so that the lower supporting block 601 drives the clamping plate connected with the lower supporting block to extend outwards towards the hollow cylinder 7, and conversely, when the lower connecting wire 604 is released, the lower supporting block 601 drives the clamping plate connected with the lower supporting block to retract inwards towards the hollow cylinder 7 based on self weight.

The adjusting ring 9 is connected with the upper connecting line 804 and the lower connecting line 604, the counterclockwise rotation of the adjusting ring 9 releases the upper connecting line 804 to generate a pulling force on the lower connecting line 604, and the clockwise rotation of the adjusting ring 9 releases the lower connecting line 604 to generate a pulling force on the upper connecting line 804.

The working principle is as follows: the hollow tube 3 to be cut penetrates through the cutting device 2 to be placed in the hollow cylinder 7, the hollow tube 3 is placed in the hollow cylinder 7, cutting scraps can be prevented from splashing everywhere, the cutting scraps can slide off smoothly and are discharged through the scrap discharging pipe 5, collection and cleaning are facilitated, cleaning burden is reduced, the upper connecting line 804 is released through anticlockwise rotating the adjusting ring 9, the upper supporting block 803 can drive the clamping plate connected with the upper supporting block to extend outwards to the hollow cylinder 7 based on self weight, the adjusting ring 9 generates tensile force on the lower connecting line 604, the lower supporting block 601 drives the clamping plate connected with the lower supporting block to extend outwards to the hollow cylinder 7, so that the clamping plate 1 supports and clamps the hollow tube 3, the hollow tube 3 and the hollow cylinder 7 can be in line with each other, the electromagnet ring 216 is electrified to have magnetism, the generated magnetism is the same as the magnetic pole of the magnet 215 based on the principle that the same pole of the magnet repels each other, the electromagnet ring 216 generates repulsion force to the magnet 215, so that the support rod 214 extends outwards to the disc body 211, the steel balls 213 are contacted with the inner wall of the hollow tube 3, so as to support two sides of the cutting part inside the hollow tube 3, prevent the hollow tube from collapsing due to the influence of cutting force, the cutting device 2 is used for cutting the hollow tube 3, specifically, the blade 233 is driven by the micro-motor to rotate, so as to start cutting from the inside of the hollow tube 3, the micro-motor 238 is driven to rotate the rotating rod 236, the translation plate 234 is driven by the T-shaped block 237 to translate outwards through the guide of the limit guide plate 235, so that the blade can rotate and also displace, so as to cut from the inside of the hollow tube 3 to the outside, cuttings can be prevented from being splashed around in the inside-out cutting mode, and the whole circle of the hollow tube 3 can be cut through the rotation of the whole cutting device 2, through the flexible of pneumatic cylinder 22 to this realizes the cutting to the next section position of hollow tube 3, and pneumatic cylinder 22 can drive hollow tube 3 forward displacement simultaneously, is convenient for take out with the hollow tube of cutting, and the cutting bits that produce drops in chip guide plate 71, because chip guide plate 71 has the gradient for the cutting bits can be discharged from chip removal mouth 72, is convenient for collect.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hollow tube cutting machine, its structure includes splint (1), cutting device (2), hollow tube (3), supporting legs (4), chip removal pipe (5), lower clamp adjustment mechanism (6), cavity section of thick bamboo (7), goes up and presss from both sides tight adjustment mechanism (8), adjustable ring (9), its characterized in that: the bottom surface of the hollow cylinder (7) is connected with supporting legs (4), the bottom center of the hollow cylinder (7) is connected with a chip removal pipe (5), an adjusting ring (9) is arranged outside the hollow cylinder (7), a cutting device (2) is fixed inside the hollow cylinder, the upper two clamping plates (1) are connected with the hollow cylinder (7) through an upper clamping adjusting mechanism (8), the lower two clamping plates (1) are connected with the hollow cylinder (7) through a lower clamping adjusting mechanism (6), and the hollow pipe (3) penetrates through the cutting device (2);

the cutting device (2) comprises a first supporting disk (21), a hydraulic cylinder (22), a cutting disk (23) and a second supporting disk (24), the hydraulic cylinder (22) is connected with the first supporting disk (21), the first supporting disk (21) is connected with the second supporting disk (24) through the cutting disk (23), the cutting disk (23) comprises a disk (230), a connecting rod (231), a cutter head (232), blades (233), a translation plate (234), a limiting guide plate (235), a rotating rod (236), a T-shaped block (237) and a micro motor (238), the micro motor (238) connected with the rotating rod (236) is installed inside the disk (230), the two ends of the rotating rod (236) are respectively connected with the T-shaped block (237) matched with the translation plate (234), the translation plate (234) is matched with the limiting guide plate (235), the limiting guide plate (235) is connected with the cutter head (232), the translation plate (234) is connected with the cutter head (232) through the connecting rod (231), the cutter head (232) is provided with the blades (232), the guide plate (238) is driven by the rotating rod (233), and can drive the rotating rod (236) to rotate outwards so as to drive the rotating rod (235), the cutting is carried out from the inside to the outside of the hollow pipe (3) in a mode of cutting from the inside to the outside, so that the chips can be prevented from splashing around, and the whole circle of the hollow pipe (3) can be cut by the rotation of the whole cutting device (2);

the clamp plate (1) comprises a plate body (11), a ball assembly (12), a vertical rod (13) and a buckling plate (14), wherein the ball assembly (12) is arranged in the plate body (11), two ends of the ball assembly (12) are connected with the buckling plate (14) through the vertical rod (13), the buckling plate (14) is buckled with the plate body (11), an inner groove (101) is arranged in the plate body (11), an outer groove (104) is arranged outside the plate body, the outer groove (104) and the inner groove (101) are arranged alternately, the plate body (11) is further provided with a long strip opening (102) matched with the buckling plate (14), the width of the outer groove (104) is larger than the thickness of a blade (233), the outer groove (104) can accommodate the blade (233), and after the blade (233) cuts a hollow pipe (3), the blade (233) can be prevented from being cut into the plate body (11);

the first supporting plate (21) comprises a plate body (211), a movable channel (212), steel balls (213), a supporting rod (214), a magnet (215) and an electromagnet ring (216), wherein the electromagnet ring (216) is fixed at the inner center of the plate body (211), the outer wall of the electromagnet ring (216) is right opposite to the magnet (215), the movable channel (212) is arranged in the plate body (211), the movable channel (212) is provided with twelve or more than twelve electromagnet rings and is arranged in a circular array, the movable channels (212) are matched with the supporting rod (214), the magnet (215) is embedded at one end of the supporting rod (214), the steel balls (213) are arranged at the other end of the supporting rod (214), the plate body (211) is fixedly connected with a circular disc (230), the steel balls (213) are arranged so that the first supporting plate (21) and the second supporting plate (24) can rotate along with a hydraulic cylinder (22), the hollow tube (3) is used as a static state, the cutting device (2) is used for realizing cutting by using the electromagnet ring (216) as a motive force, the electromagnet ring has magnetism after the electromagnet ring (216) is electrified, the magnetism generated by the outward extending of the supporting rod (215), and the like poles of the magnet (215) are opposite to the electromagnet (216), so that the electromagnet rings (216) are opposite to the electromagnet (216), thereby, the steel balls (213) are contacted with the inner wall of the hollow pipe (3) to support the two sides of the cutting part inside the hollow pipe (3) and prevent the hollow pipe from collapsing due to the influence of cutting force.

2. The hollow-tube cutting machine according to claim 1, wherein: go up and press from both sides tight adjustment mechanism (8) including roof (801), go up guide pulley (802), go up supporting block (803), go up line (804), roof (801) are equipped with through-hole (a), through-hole (a) department all is equipped with last guide pulley (802) of being connected with hollow section of thick bamboo (7), roof (801) are fixed with supporting block (803), it has seted up arc passageway (b) to go up supporting block (803), go up line (804) and last guide pulley (802) cooperation.

3. The hollow-tube cutting machine according to claim 1, wherein: the lower clamping adjusting mechanism (6) comprises a lower supporting block (601), a lower guide wheel (602), a bottom plate (603) and a lower connecting line (604), the lower supporting block (601) is fixed with the lower supporting block (601), the bottom plate (603) is provided with a round hole (c), the lower supporting block (601) is provided with an arc channel (d), the lower connecting line (604) connects the lower supporting block (601) in series, and the lower guide wheel (602) is connected with the hollow cylinder (7).

4. A hollow pipe cutting machine according to claim 1, characterized in that: the long-strip groove is formed in the hollow cylinder (7), two chip guide plates (71) are arranged in the long-strip groove, and chip removal ports (72) communicated with the chip removal pipes (5) are formed between the two chip guide plates (71).