CN218903780U

CN218903780U - Chipless pipe cutting machine

Info

Publication number: CN218903780U
Application number: CN202223015608.0U
Authority: CN
Inventors: 陈昭宇; 伍镇; 李荣辉
Original assignee: Foshan Hongshan Hardware Products Co ltd
Current assignee: Foshan Hongshan Hardware Products Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-25
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a chipless pipe cutting machine, which aims to prevent the pipe from shaking randomly during cutting, avoid the pipe from deviating and improve the cutting quality, and adopts the technical scheme that: the utility model provides a tubular product chipless cutting machine, includes the frame, be equipped with the interior body that supplies tubular product to pass on the frame, the one end of interior body is equipped with two at least blades of axis circumference equipartition around interior body, the blade can be close to or keep away from the axis of interior body under first drive arrangement's drive, interior body is rotatable under second drive arrangement's drive, one side that interior body was kept away from to the blade is equipped with the limiting plate, be equipped with the first spacing passageway coaxial with interior body on the limiting plate, the diameter of first spacing passageway suits with the diameter of tubular product, belongs to tubular product processing technical field.

Description

Chipless pipe cutting machine

Technical Field

The utility model belongs to the technical field of pipe machining, and particularly relates to a chipless pipe cutting machine.

Background

When in actual use, the pipe needs to be cut according to the preset length, and in order to avoid flying scraps generated during cutting the pipe, a chipless pipe cutting machine is arranged.

For example, CN205519868U discloses a numerical control large pipe chipless cutting machine, which comprises an inner pipe sleeve for fixing a pipe, a machine head for cutting the pipe, a machine head mounting seat for fixing the machine head, and a machine head mounting seat rotating mechanism for driving the machine head to rotate; the machine head mounting seat is sleeved on the outer layer of the inner tube sleeve and can rotate relative to the inner tube sleeve; the machine head is fixedly connected to the end face of the machine head mounting seat so as to synchronously rotate along with the machine head mounting seat, a through hole aligned with the inner pipe sleeve is formed in the machine head for the pipe to extend, at least two guide grooves extending to the through hole are formed in the front face of the machine head, each guide groove is slidably connected with a cutting blade mounting seat with a cutting blade, and each cutting blade mounting seat is driven by a cutting blade feeding/retracting mechanism to slide along the guide groove so as to realize opposite/backward movement of each cutting blade mounting seat.

Above-mentioned chipless cutting machine realizes the chipless cutting to tubular product through the rotation of interior sleeve pipe and the extrusion of cutting blade, but when the cutting, the tubular product stretches out the back from interior sleeve pipe, does not have corresponding bearing structure, if the part that the tubular product stretches out is longer, when starting the cutting, because interior sleeve pipe can rotate, tubular product when rotating in following, the extension is in disorder easily, the off tracking leads to the tubular product terminal surface after the cutting to be uneven, and tubular product also is buckled easily, influences the quality of tubular product.

Disclosure of Invention

The utility model mainly aims to provide a chipless pipe cutting machine which aims to prevent the pipe from shaking randomly during cutting, avoid the pipe from deviating and improve the cutting quality.

According to a first aspect of the utility model, there is provided a chipless pipe cutting machine, comprising a machine base, wherein an inner pipe body for a pipe to pass through is arranged on the machine base, at least two blades which are circumferentially and uniformly distributed around the axis of the inner pipe body are arranged at one end of the inner pipe body, the blades can be close to or far away from the axis of the inner pipe body under the drive of a first driving device, the inner pipe body can rotate under the drive of a second driving device, a limiting plate is arranged at one side of the blades far away from the inner pipe body, a first limiting channel coaxial with the inner pipe body is arranged on the limiting plate, and the diameter of the first limiting channel is adapted to the diameter of the pipe.

In the pipe chipless cutting machine, the limiting plate is detachably fixed with the first guide sleeve, and the first limiting channel is arranged in the first guide sleeve.

In the pipe chipless cutting machine, the inner pipe body is internally provided with the second limiting channel coaxial with the inner pipe body, and the diameter of the second limiting channel is matched with the diameter of the pipe.

In the pipe chipless cutting machine, the inner pipe body is detachably provided with the second guide sleeve, and the second limiting channel is arranged in the second guide sleeve.

In the pipe chipless cutting machine, two blades are arranged, two wedge sliding blocks are arranged on the end face of the inner pipe body and can be mutually separated under the action of an elastic piece, and the two blades are respectively arranged on the two wedge sliding blocks;

the first driving device comprises an outer sleeve sleeved outside the inner pipe body, one end of the outer sleeve, which is close to the blade, is provided with an annular slope matched with the wedge sliding block, and the outer sleeve can move along the axial direction of the inner pipe body under the driving of a toggle mechanism, so that the two wedge sliding blocks are close to each other.

In the pipe chipless cutting machine, the stirring mechanism comprises a stirring rod hinged to the machine base and an annular guide groove arranged on the outer sleeve, a positioning block embedded into the annular guide groove is arranged on the stirring rod, and the stirring rod is broken to drive the positioning block to move so as to drive the outer sleeve to axially move along the inner pipe body.

In the pipe chipless cutting machine, the machine base is provided with the air cylinder, and the output end of the air cylinder is hinged with the deflector rod.

In the pipe chipless cutting machine, the second driving device is a hollow motor, the hollow motor is fixed on the machine base through a mounting plate, and the inner pipe body is connected with the output end of the hollow motor.

In the pipe chipless cutting machine, a guide pipe is arranged in the hollow motor, one end of the guide pipe extends into the inner pipe body, the other end of the guide pipe extends out of the hollow motor, and the second guide sleeve is detachably arranged at one end, close to the blade, of the guide pipe.

In the pipe chipless cutting machine, a limiting rod is arranged at one end, far away from the base, of the deflector rod, and the length, between the mounting plate and the deflector rod, of the limiting rod is adjustable.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:

according to the utility model, the limiting plate is arranged, the pipe extends out of the inner pipe body and then enters the first limiting channel, the diameter of the first limiting channel is matched with that of the pipe, the pipe can be limited, when the blade cuts the pipe, the pipe can not shake in disorder, the deviation can not occur, the cutting stability is better, and the quality of the cut pipe can be ensured.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a top view of embodiment 1 of the present utility model;

FIG. 3 isbase:Sub>A sectional view A-A of FIG. 2 of example 1 of the present utility model;

FIG. 4 is a schematic structural view of an inner tube body according to embodiment 1 of the present utility model;

fig. 5 is a schematic structural view of an outer sleeve according to embodiment 1 of the present utility model.

Wherein, each reference sign in the figure:

1. a base; 2. an inner tube body; 21. wedge slide block; 22. a T-shaped chute; 23. a through hole; 24. an elastic member; 3. a blade; 4. a first driving device; 41. an outer sleeve; 42. an annular slope; 43. a toggle mechanism; 431. a deflector rod; 432. an annular guide groove; 433. a positioning block; 434. a cylinder; 5. a second driving device; 51. a mounting plate; 52. a guide tube; 6. a limiting plate; 61. a first limiting channel; 62. a first guide sleeve; 7. the second limiting channel; 71. a second guide sleeve; 8. and a limit rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Example 1

Referring to fig. 1 to 5, in one embodiment of the present utility model, a chipless pipe cutting machine includes a base 1, an inner pipe body 2 through which a pipe passes is provided on the base 1, at least two blades 3 circumferentially and uniformly distributed around an axis of the inner pipe body 2 are provided at one end of the inner pipe body 2, the blades 3 can approach or depart from the axis of the inner pipe body 2 under the driving of a first driving device 4, the inner pipe body 2 can rotate under the driving of a second driving device 5, a limiting plate 6 is provided at a side of the blades 3 departing from the inner pipe body 2, a first limiting channel 61 coaxial with the inner pipe body 2 is provided on the limiting plate 6, and a diameter of the first limiting channel 61 is adapted to a diameter of the pipe;

when the pipe cutting device is used, a pipe penetrates through the inner pipe body 2, the pipe extends out from one end with the blade 3 and enters the first limiting channel 61, then the first driving device 4 is started, the blade 3 is moved, the second driving device 5 also drives the inner pipe body 2 to rotate, the blade 3 rotates together, chipless cutting of the pipe is completed under the action that the blade 3 rotates and extrudes, and due to the limitation of the first limiting channel 61, the pipe can not shake when the blade 3 cuts the pipe, the situation of deviation cannot occur, the cutting stability is good, and the quality of the cut pipe can be guaranteed.

In order to adapt to the pipes with different diameters conveniently, the diameter of the first limiting channel 61 needs to be adjustable, in this embodiment, the limiting plate 6 is detachably fixed with a first guide sleeve 62, the first limiting channel 61 is arranged in the first guide sleeve 62, the diameters of the first limiting channels 61 in different first guide sleeves 62 can be different, and the diameter of the first limiting channel 61 is adjusted by replacing the first guide sleeve 62; the limiting plate 6 is provided with a hole position corresponding to the outer diameter of the first guide sleeve 62, and the inner diameter of the hole position is reduced by a screw, so that the first guide sleeve 62 is fixed on the limiting plate 6.

Preferably, a second limiting channel 7 coaxial with the inner pipe body 2 is arranged in the inner pipe body 2, and the diameter of the second limiting channel 7 is matched with the diameter of the pipe; after the pipe extends out of the second limiting channel 7, the pipe passes through the blade 3 and then enters the first limiting channel 61, the second limiting channel 7 is matched with the first limiting channel 61, the pipe is limited on two sides of a cutting position of the pipe, stability is better during cutting, and cutting of the blade 3 is facilitated.

In order to adapt to the pipes with different diameters conveniently, the diameter of the second limiting channel 7 also needs to be adjustable, in this embodiment, the second guiding sleeve 71 is detachably mounted in the inner pipe body 2, the second limiting channel 7 is disposed in the second guiding sleeve 71, the diameters of the second limiting channels 7 in different second guiding sleeves 71 can be different, and the diameter of the second limiting channel 7 is adjusted by replacing the second guiding sleeve 71.

The diameter of the first limiting channel 61 is larger than that of the pipe, generally, the diameter of the first limiting channel 61 is 0.2-1.5mm larger than that of the pipe, so that the pipe can be ensured to pass smoothly, and the pipe can not shake during cutting; preferably, the diameter of the first limiting channel 61 is 0.5mm larger than the diameter of the tubing. The diameter of the second limiting channel 7 is the same as the diameter of the first limiting channel 61.

In order to facilitate the pipe to enter the first limiting channel 61 and the second limiting channel 7, the input end of the first limiting channel 61 and the input end of the second limiting channel 7 are guide annular slopes, the guide annular slopes shrink gradually along the conveying direction of the pipe, and after touching the guide annular slopes, the pipe can gradually move along the guide annular slopes to enter the first limiting channel 61 or the second limiting channel 7.

Specifically, two wedge sliding blocks 21 are arranged on the end face of the inner pipe body 2, a corresponding T-shaped sliding groove 22 is arranged on the end face of the inner pipe body 2, the wedge sliding blocks 21 can be matched with the T-shaped sliding groove 22, a through hole 23 for a pipe to pass through is formed in the T-shaped sliding groove 22, the pipe stretches out from the through hole 23 after entering the inner pipe body 2 and is positioned between the two wedge sliding blocks 21, the two wedge sliding blocks 21 can be mutually separated under the action of an elastic piece 24, and the two blades 3 are respectively arranged on the two wedge sliding blocks 21;

the first driving device 4 comprises an outer sleeve 41 sleeved outside the inner pipe body 2, one end of the outer sleeve 41, which is close to the blade 3, is provided with an annular slope surface 42 matched with the wedge sliding block 21, the outer sleeve 41 can axially move along the inner pipe body 2 under the driving of a toggle mechanism 43, the annular slope surface 42 is matched with the wedge sliding block 21, one end, which is close to the blade 3, of the annular slope surface 42 is a larger end, one end, which is far away from the blade 3, is a smaller end, and further the two wedge sliding blocks 21 are pushed to be close to each other, so that extrusion cutting is carried out on the pipe.

Of course, the surface of the wedge slider 21 matched with the annular slope 42 is an arc-shaped slope, and can be attached to the annular slope 42, so that the wedge slider is conveniently pushed by the outer sleeve 41.

In this configuration, the second guide sleeve 71 is located in the through hole 23, and the pipe extends from the second limiting channel 7 and is located between the two wedge blocks 21.

In a specific embodiment, the toggle mechanism 43 includes a toggle lever 431 hinged on the stand 1 and an annular guide groove 432 disposed on the outer sleeve 41, a positioning block 433 embedded in the annular guide groove 432 is disposed on the toggle lever 431, and the toggle lever 431 is pulled to drive the positioning block 433 to move, so as to drive the outer sleeve 41 to move along the axial direction of the inner tube 2;

preferably, one end of the lever 431 is a U-shaped groove, both sides of the open end of the U-shaped groove are hinged to the base 1, and the positioning blocks 433 are two sides arranged at the middle of the U-shaped groove, so that the outer sleeve 41 is more stable when being pulled.

Preferably, the positioning block 433 may be a guiding wheel, the outer wall of which contacts with two sides of the annular guiding groove 432, and the guiding wheel may rotate when the outer sleeve 41 is pulled to move, so that no jamming phenomenon occurs.

The cutting action is performed by pulling the lever 431; generally, if the operation is performed manually, a handle is provided at one end of the lever 431 away from the U-shaped groove, and a worker manually breaks the handle to swing the lever 431 and further move the outer sleeve 41; in order to improve efficiency, an air cylinder 434 may be disposed on the machine base 1, where an output end of the air cylinder 434 is hinged to the deflector 431, and an output end of the air cylinder 434 stretches to drive the deflector 431 to swing.

In this embodiment, the second driving device 5 is a hollow motor, the hollow motor is fixed on the stand 1 through a mounting plate 51, and the inner tube 2 is connected with an output end of the hollow motor; the hollow motor is adopted to facilitate the insertion of the pipe, meanwhile, the transmission mechanism is reduced, the cost is low, and the installation is simpler.

Preferably, a stop lever 8 is disposed at one end of the rod 431 away from the base 1, the length of the stop lever 8 between the mounting plate 51 and the rod 431 is adjustable, and the stop lever 8 will touch the mounting plate 51 when the rod 431 is pulled towards the direction of the hollow motor, so that the pulling can not be continued; the angle of the deflector 431 when the deflector is deflected towards the direction of the hollow motor can be limited according to the diameter of the pipe, so that the distance of the outer sleeve 41 when moving is regulated and controlled, and the distance between the two blades 3 when cutting is changed; in this embodiment, the limit lever 8 may be a screw, a threaded hole is provided on the lever 431, the screw is screwed with the threaded hole, and the screw is rotated to change the length of the screw between the mounting plate 51 and the lever 431.

Preferably, a guide pipe 52 is arranged in the hollow motor, one end of the guide pipe 52 extends into the inner pipe body 2 and can be directly abutted to the through hole 23, the other end of the guide pipe 52 extends out of the hollow motor, the second guide sleeve 71 is detachably arranged at one end of the guide pipe 52, which is close to the blade 3, and thus when a pipe is penetrated, the pipe can be directly extended into the second limiting channel 7 from one end of the hollow motor, and the operation of workers is very convenient.

The second guide sleeve 71 can be fixed on the guide tube 52 by a screw, and can also be directly inserted on the guide tube 52, and the guide tube 52 can be rotatably connected with the inner tube body 2 by a bearing. The elastic piece 24 is a plurality of springs, the springs are arranged avoiding the guide pipe 52, and two ends of the springs are respectively abutted against the two wedge sliding blocks 21.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a tubular product chipless cutting machine, includes the frame, be equipped with the interior body that supplies tubular product to pass on the frame, the one end of interior body is equipped with two at least blades of axis circumference equipartition around interior body, the blade can be close to or keep away from the axis of interior body under first drive arrangement's drive, interior body is rotatable under second drive arrangement's drive, its characterized in that, one side that interior body was kept away from to the blade is equipped with the limiting plate, be equipped with the first spacing passageway coaxial with interior body on the limiting plate, the diameter of first spacing passageway suits with the diameter of tubular product.

2. The chipless pipe cutting machine according to claim 1 wherein the limiting plate is detachably secured with a first guide sleeve, the first limiting channel being disposed within the first guide sleeve.

3. The chipless pipe cutter according to claim 1 or 2, wherein a second limiting channel coaxial with the inner pipe body is arranged in the inner pipe body, and the diameter of the second limiting channel is matched with the diameter of the pipe.

4. A pipe chipless cutting machine according to claim 3 wherein a second guide sleeve is removably mounted in the inner pipe body, the second limiting channel being disposed within the second guide sleeve.

5. The chipless pipe cutting machine according to claim 4, wherein the number of the blades is two, two wedge sliding blocks are arranged on the end face of the inner pipe body, the two wedge sliding blocks can be mutually far away under the action of an elastic piece, and the two blades are respectively arranged on the two wedge sliding blocks;

6. The chipless pipe cutting machine according to claim 5, wherein the shifting mechanism comprises a shifting rod hinged to the machine base and an annular guide groove arranged on the outer sleeve, a positioning block embedded into the annular guide groove is arranged on the shifting rod, and the shifting rod is shifted to drive the positioning block to move, so that the outer sleeve is driven to move along the axial direction of the inner pipe body.

7. The chipless pipe cutter of claim 6 wherein the housing is provided with a cylinder, the output end of the cylinder being hinged to the lever.

8. The chipless pipe cutter of claim 6 wherein the second drive means is a hollow motor, the hollow motor being secured to the housing by a mounting plate, the inner tube being connected to the output of the hollow motor.

9. The chipless pipe cutting machine according to claim 8 wherein a guide tube is provided in the hollow motor, one end of the guide tube extends into the inner pipe body, the other end of the guide tube extends out of the hollow motor, and the second guide sleeve is detachably mounted at one end of the guide tube adjacent to the blade.

10. The chipless pipe cutting machine according to claim 8 wherein a stop lever is provided at an end of the lever remote from the housing, the stop lever being adjustable in length between the mounting plate and the lever.