CN113478070A

CN113478070A - Circular tube cutting system and method

Info

Publication number: CN113478070A
Application number: CN202110640790.XA
Authority: CN
Inventors: 肖俊
Original assignee: Zhejiang Taihao Technology Co ltd
Current assignee: Zhejiang Taihao Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-10-08
Anticipated expiration: 2041-06-09
Also published as: CN113478070B

Abstract

The invention provides a circular tube cutting system and a method thereof, wherein the circular tube cutting system comprises a cutting base, a cutting mechanism and a clamping mechanism which are arranged on the cutting base, and at least one group of feeding and discharging devices which are arranged on the side part of the cutting base, wherein each feeding and discharging device comprises a lifting assembly, a feeding driving assembly for driving the lifting assembly to vertically lift, and a discharging driving assembly for driving the lifting assembly to laterally incline; set up the unloading device that the multiunit had jacking material loading concurrently and unloading function through sliding distribution between two jack catch assemblies, it can cooperate the jack catch assemblies to carry out the centre gripping spacing to the tubular product of different pipe diameters, cooperation cutting mechanism carries out the multistage to the cutting process and supports, then the accessible heels directly to shift to the unloading station with the cutting finished product, the action cooperation degree between unloading device and each process is good, link up compactly, improve production automation level and efficiency, the last unloading structure separation that exists among the prior art has been solved, the production continuity subalternation technical problem.

Description

Circular tube cutting system and method

Technical Field

The invention relates to the technical field of pipe cutting, in particular to a circular pipe cutting system and a circular pipe cutting method.

Background

Currently, the machine industry uses cutting machines to cut materials to mass produce finished products of specific length and shape. With the continuous improvement of the laser cutting technology, particularly the rapid development of the pipe fitting cutting industry, the laser processing brings convenience and benefits to the production and manufacturing industry, and the market demands for the laser pipe cutting machine are also increasing.

The Chinese patent CN201810520524.1 discloses a special pipe cutting machine for round pipes, which comprises a frame and a laser cutting head, wherein a feeding mechanism for placing round pipes to the frame is arranged at one side of the frame; the automatic feeding device is characterized in that a pushing mechanism, a pressing mechanism and a discharging mechanism are sequentially arranged on a rack, wherein a plurality of supporting devices distributed at intervals are arranged between the pushing mechanism and the pressing mechanism; the pushing mechanism comprises a pushing track arranged on the rack, a clamping device used for clamping a circular tube and a pushing driving device driving the clamping device to move on the pushing track; when the pipe passes through feed mechanism and arranges the frame in, strutting arrangement upwards supports the pipe and removes to clamping device department, and after clamping device presss from both sides tight pipe, propelling movement drive arrangement ordered about clamping device and is close to or keeps away from hold-down mechanism, with the pipe propelling movement forward and arrange laser cutting head below in and cut, the pipe after the cutting is accomodate through unloading mechanism.

However, in the prior art, the feeding and discharging of the pipes need manual intervention, the automation degree is low, or the feeding mechanism and the discharging mechanism need to be separately arranged to respectively complete the feeding and discharging operation, the equipment structure is complex, the continuity of the production action is poor, and the efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a circular tube cutting system and a method thereof.

In order to achieve the purpose, the invention provides the following technical scheme:

a circular tube cutting system comprises a cutting base, a cutting mechanism and a clamping mechanism, wherein the cutting mechanism and the clamping mechanism are arranged on the cutting base;

the feeding and discharging device comprises a lifting assembly for supporting the pipe, a feeding driving assembly for driving the lifting assembly to vertically lift and a discharging driving assembly for driving the lifting assembly to laterally incline.

Preferably, the feeding and discharging device and the cutting mechanism are arranged in a sliding mode along the length direction of the pipe clamping and fixing device respectively, and multiple groups of the feeding and discharging device are distributed along the length direction of the pipe clamping and fixing device.

Preferably, the feeding and discharging device further comprises a feeding and discharging base installed on the cutting base, and the feeding driving assembly comprises a feeding driving part vertically installed on the feeding and discharging base and a bracket base fixedly connected with a top driving end of the feeding driving part.

Preferably, the lifting assembly is horizontally and rotatably arranged on the bracket base; the bottom of the blanking driving assembly is hinged to the bracket base, and the telescopic end of the blanking driving assembly is eccentrically hinged to the horizontal rotating shaft of the lifting assembly.

Preferably, the lifting assembly is arranged in a V-shaped structure and comprises a horizontal rotating shaft and two groups of lifting parts which are symmetrically arranged on the horizontal rotating shaft; the inner side surface of the lifting part contacting with the pipe is uniformly and rotatably provided with universal balls.

Preferably, the lifting device further comprises a limiting assembly arranged on the bracket base, wherein the limiting assembly is positioned on one side of the lifting assembly and can limit the rotation of the lifting assembly.

Preferably, the material storage rack is positioned on the side of the cutting base, and the feeding and discharging device is positioned between the cutting base and the material storage rack.

Preferably, the clamping mechanism comprises a front jaw assembly and a rear jaw assembly which are oppositely arranged on the cutting base; the feeding and discharging device is located between the front jaw assembly and the rear jaw assembly.

Preferably, the front jaw assembly clamps one end of the pipe, and the rear jaw assembly is matched with the pipe to circumferentially limit the other end of the pipe; the front clamping jaw assembly is slidably mounted on the cutting base; and a material receiving platform mechanism is arranged on one side of the rear jaw assembly relative to the front jaw assembly.

The invention also provides a pipe cutting method based on any one of the circular pipe cutting systems, which comprises the following steps:

step one, jacking and feeding: the feeding and discharging device horizontally supports the pipe to move up and down and is matched with the clamping mechanism to clamp and limit two ends of the pipe;

step two, cutting: the cutting mechanism acts to cut the pipe;

step three, turning and blanking: after the clamping mechanism loosens the clamping of the pipe, the feeding and discharging device carries the cut pipe to incline laterally so as to automatically transfer the cut pipe to a discharging station.

The invention has the beneficial effects that:

1. according to the invention, a plurality of groups of loading and unloading devices are arranged between the two jaw assemblies in a sliding manner, the loading and unloading devices have the functions of jacking, loading and tilting for loading, can be matched with the jaw assemblies to clamp and limit pipes with different pipe diameters in a loading stage, can be matched with the cutting mechanism to support the cutting process in multiple sections in a cutting stage, can directly shift cut finished products to a blanking station in a tilting manner in a blanking stage, and has good action matching degree and compact connection with each process, so that the production automation level and efficiency are improved;

2. according to the feeding and discharging device, the lifting assembly is arranged, the feeding driving assembly is arranged in a matched mode to drive the lifting assembly to vertically lift for feeding, the discharging driving assembly is hinged to the bracket base to drive the lifting assembly to horizontally rotate for discharging, the feeding and discharging structure and the function are integrated, and the structure is compact;

3. according to the invention, the limiting component is arranged on one side of the lifting component, and when the lifting component is in a horizontal lifting state and a pipe is lifted for feeding or cutting, the limiting buckle of the limiting component is buckled in the limiting groove of the lifting part in a matching manner, so that the pipe is prevented from falling off due to the rotation of the lifting component when gas or power is suddenly cut off, and the production safety is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of the lateral-tipping and blanking state of the loading and unloading device according to the present invention;

FIG. 4 is a schematic view of a loading and unloading device of the present invention in a horizontal bearing loading state;

FIG. 5 is a schematic view of a partial structure of a loading/unloading apparatus according to the present invention;

FIG. 6 is a schematic view of the main structure of the present invention;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is an enlarged view at C of FIG. 6;

fig. 9 is an enlarged view of fig. 6 at D.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1, a round tube cutting system comprises a cutting base 1, a cutting mechanism 2 and a clamping mechanism 3 which are arranged on the cutting base 1, and at least one group of loading and unloading devices 4 which are arranged on the side of the cutting base 1;

as shown in fig. 2, the loading and unloading device 4 includes a lifting assembly 41 for supporting the tube, a loading driving assembly 42 for driving the lifting assembly 41 to vertically lift, and a discharging driving assembly 43 for driving the lifting assembly 41 to laterally tilt.

In this embodiment, through sliding distribution between the two jack catch assemblies at fixture 3 set up multiunit unloader 4, this unloader 4 has the function of jacking material loading and unloading of heeling concurrently, in the material loading stage, it can cooperate the jack catch assembly to carry out the centre gripping spacing to the tubular product of different pipe diameters, in the cutting stage, it can cooperate cutting mechanism 2 to carry out the multistage to the cutting process and support, in the unloading stage, it can directly heeling the cutting finished product and shift to on the unloading station, the action cooperation degree between unloader and each process is good, link up compactly, improve production automation level and efficiency.

Preferably, as shown in fig. 1, the feeding and discharging device 4 and the cutting mechanism 2 are respectively arranged in a sliding manner along the length direction of the clamping and fixing of the pipe, and a plurality of groups of the feeding and discharging device 4 are distributed along the length direction of the clamping and fixing of the pipe.

Preferably, as shown in fig. 9, the cutting mechanism 2 includes an X-axis slide carriage 21 linearly slidably disposed on the cutting base 1, a Y-axis slide carriage 22 slidably disposed on the X-axis slide carriage 21 perpendicularly to the sliding direction of the X-axis slide carriage 21, and a Z-axis slide carriage 23 vertically slidably disposed on the Y-axis slide carriage 22, and a laser cutting portion is disposed at the bottom of the Z-axis slide carriage 23.

The sliding structure of the X-axis slide 21 includes: the cutting machine is characterized in that a sliding rail and a rack parallel to the sliding rail are arranged on the cutting base 1, a motor is arranged on the X-axis sliding seat 21, and the rotating end of the motor is arranged on a gear meshed with the rack on the cutting base 1. The sliding structure of the Y-axis slide 22 is similar to that of the X-axis slide 21, and is not described herein.

Preferably, as shown in fig. 2 to 3, the loading and unloading device 4 further includes a loading and unloading base 44 installed on the cutting base 1, and the loading driving assembly 42 includes a loading driving portion 421 vertically installed on the loading and unloading base 44 and a bracket base 422 fixedly connected to a top driving end of the loading driving portion 421.

Preferably, as shown in fig. 2, a sliding block is arranged on one side of the feeding and discharging base 44, which faces the cutting base 1, and a linear sliding rail for slidably clamping the sliding block is correspondingly arranged on the cutting base 1.

Preferably, as shown in fig. 4, the lifting assembly 41 is horizontally and rotatably mounted on the bracket base 422; the bottom of the blanking driving component 43 is hinged on the bracket base 422, and the telescopic end part of the blanking driving component is eccentrically hinged with the horizontal rotating shaft of the lifting component 41.

In this embodiment, lift subassembly 41 through setting up, the cooperation sets up material loading drive assembly 42 again and lifts the vertical lift of subassembly 41 with the drive and carry out the material loading, and the articulated unloading drive assembly 43 that sets up on bracket base 422 lifts subassembly 41 level rotation with the drive and carries out the unloading, integrates last unloading structure and function, and the structure is compacter, and the front and back way moves the linking degree well between the process.

Preferably, as shown in fig. 3, the lifting assembly 41 is configured as a V-shaped structure, and includes a horizontal rotating shaft 411 and two sets of lifting parts 412 symmetrically installed on the horizontal rotating shaft 411; as shown in fig. 5, universal balls 410 are uniformly and rotatably arranged on the inner side surface of the lifting part 412 contacting with the pipe.

In this embodiment, the blanking driving component 43 is located below the lifting component 41, the blanking driving component 43 is configured as a telescopic cylinder, one end of the horizontal rotating shaft 411 is coaxially fixed with a cam structure, a connecting shaft is arranged on the cam structure in parallel to the horizontal rotating shaft 411, a telescopic end of the blanking driving component 43 is hinged to the connecting shaft, and the telescopic end of the blanking driving component 43 jacks up the cam structure when extending out, so that the lifting component 41 is rotated to a horizontal lifting state; when the telescopic end of the blanking driving assembly 43 retracts, the cam structure is pulled back, so that the lifting assembly 41 rotates and inclines towards one end far away from the main structure of the cutting machine, and the cut and sunk pipe fittings automatically fall and are collected.

In a preferred embodiment, the two lifting portions 412 are rotatably mounted on the horizontal rotating shaft 411, so that an included angle formed between the two lifting portions 412 is adjustable, and the pipe can be adapted to pipes with different diameters.

Preferably, as shown in fig. 3 and 5, the feeding driving unit 421 includes a feeding driving unit 4211 horizontally mounted on the feeding and discharging base 44, and a screw lifting unit 4212 driven by the feeding driving unit 4211 to vertically move, and a screw extending end of the screw lifting unit 4212 is fixedly connected to the bracket base 422.

In this embodiment, the structure of the lead screw lifting assembly 4212 is a structure known in the art, and will not be described herein.

Preferably, as shown in fig. 1, the cutting machine further comprises a storage rack 5 located at a side portion of the cutting base 1, and the loading and unloading device 3 is located between the cutting base 1 and the storage rack 5.

Preferably, as shown in fig. 6-8, the clamping mechanism 3 comprises a front jaw assembly 31 and a rear jaw assembly 32 which are oppositely arranged on the cutting base 1; the loading and unloading device 4 is located between the front jaw assembly 31 and the rear jaw assembly 32.

Preferably, the front jaw assembly 31 clamps one end of the pipe, and the rear jaw assembly 32 is matched to circumferentially limit the other end of the pipe; the front jaw assembly 31 is slidably mounted on the cutting base 1; and a material receiving platform mechanism 6 is arranged on one side of the rear jaw assembly 32, which is opposite to the front jaw assembly 31.

Example two

The same or corresponding components in this embodiment as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

preferably, as shown in fig. 3 to 4, the lifting device further includes a limiting assembly 45 disposed on the bracket base 422, wherein the limiting assembly 45 is disposed at one side of the lifting assembly 41 and can limit the rotation of the lifting assembly 41.

Preferably, the limiting member 45 includes a mounting plate 451 fixedly mounted on the bracket base 422, a limiting driving portion 452 horizontally disposed on the mounting plate 451, a limiting buckle 453 horizontally slidably disposed through the mounting plate 451 and fixedly connected to an extendable end of the limiting driving portion 452, and a limiting groove 454 disposed on an outer surface of the one of the lifting portions 412 on the same side as the limiting member 45, wherein when the lifting member 41 is in the horizontally supported state, the limiting driving portion 452 drives the limiting buckle 453 to horizontally slide and to be engaged with the limiting groove 454.

In this embodiment, through set up spacing subassembly 45 in one side of lifting subassembly 41, when lifting subassembly 41 is in the horizontal state of lifting, lift the tubular product promptly and carry out material loading or cutting process's in-process, spacing knot 453 of spacing subassembly 45 matches the buckle in the spacing groove 454 of lifting portion 412 for it is spacing to rotate lifting subassembly 41, thereby it leads to the condition that tubular product dropped to prevent to lift subassembly 41 to take place to rotate when cutting off the power supply suddenly or cutting off the power supply, guarantees production safety.

Before the rotary turnover blanking is carried out, the limit buckle 453 is driven by the limit driving part 452 to move towards the direction of the lifting part 412 so as to be separated from the limit groove 454; when the lifting assembly 41 is in the horizontal lifting state, the position-limiting buckle 453 moves away from the lifting part 412 to be clamped into the position-limiting groove 454.

In addition, the top of the mounting plate 451 is provided with an inclined slope structure matched with the inclined angle of the lifting part 412, so that when the lifting assembly 41 is in a horizontal lifting state, the mounting plate 451 can support the lifting part 412, and the overall supporting strength is improved.

EXAMPLE III

A method for cutting a round pipe comprises the following steps:

step one, jacking and feeding: the feeding and discharging device 4 horizontally supports the pipe to move up and down and is matched with the clamping mechanism 3 to clamp and limit two ends of the pipe;

step two, cutting: the cutting mechanism 2 acts to cut the pipe;

step three, turning and blanking: after the clamping mechanism 3 loosens the clamping of the pipe, the feeding and discharging device 4 carries the cut pipe to incline laterally so as to automatically transfer the pipe to a discharging station.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A circular tube cutting system comprises a cutting base (1), and a cutting mechanism (2) and a clamping mechanism (3) which are arranged on the cutting base (1), and is characterized by further comprising at least one group of feeding and discharging devices (4) which are arranged on the side part of the cutting base (1);

the feeding and discharging device (4) comprises a lifting assembly (41) for supporting a pipe, a feeding driving assembly (42) for driving the lifting assembly (41) to vertically lift and a discharging driving assembly (43) for driving the lifting assembly (41) to laterally incline.

2. The round tube cutting system according to claim 1, wherein the feeding and discharging device (4) and the cutting mechanism (2) are respectively slidably arranged along the length direction of the tube clamping fixture, and a plurality of groups of the feeding and discharging devices (4) are distributed along the length direction of the tube clamping fixture.

3. The round tube cutting system according to claim 1, wherein the feeding and discharging device (4) further comprises a feeding and discharging base (44) installed on the cutting base (1), and the feeding driving assembly (42) comprises a feeding driving part (421) vertically installed on the feeding and discharging base (44) and a bracket base (422) fixedly connected with a top driving end of the feeding driving part (421).

4. A pipe cutting system as claimed in claim 3, wherein said lifting assembly (41) is horizontally pivotally mounted to said carriage base (422); the bottom of the blanking driving assembly (43) is hinged to the bracket base (422), and the telescopic end part of the blanking driving assembly is eccentrically hinged to the horizontal rotating shaft of the lifting assembly (41).

5. A round pipe cutting system according to claim 1, wherein the lifting assembly (41) is configured as a V-shaped structure, and comprises a horizontal rotating shaft (411) and two groups of lifting parts (412) symmetrically arranged on the horizontal rotating shaft (411); the inner side surface of the lifting part (412) contacting with the pipe is uniformly and rotatably provided with universal balls (410).

6. A round pipe cutting system according to claim 3, further comprising a limiting component (45) disposed on the bracket base (422), wherein the limiting component (45) is disposed on one side of the lifting component (41) and can limit the rotation of the lifting component (41).

7. The round pipe cutting system according to claim 1, further comprising a storage rack (5) located on the side of the cutting base (1), wherein the feeding and discharging device (3) is located between the cutting base (1) and the storage rack (5).

8. A round pipe cutting system as claimed in claim 1, wherein the clamping mechanism (3) comprises a front jaw assembly (31) and a rear jaw assembly (32) oppositely arranged on the cutting base (1); and the loading and unloading device (4) is positioned between the front jaw assembly (31) and the rear jaw assembly (32).

9. A round tube cutting system as claimed in claim 8, wherein the front jaw assembly (31) clamps one end of the tube, and the rear jaw assembly (32) is adapted to circumferentially restrain the other end of the tube; the front jaw assembly (31) is slidably mounted on the cutting base (1); and a material receiving platform mechanism (6) is further arranged on one side, opposite to the front jaw assembly (31), of the rear jaw assembly (32).

10. A pipe cutting method of a round pipe cutting system according to any one of claims 1 to 9, comprising the steps of:

step one, jacking and feeding: the feeding and discharging device (4) horizontally supports the pipe to move up and down, and is matched with the clamping mechanism (3) to clamp and limit two ends of the pipe;

step two, cutting: the cutting mechanism (2) acts to cut the pipe;

step three, turning and blanking: after the clamping mechanism (3) loosens the clamping of the pipe, the feeding and discharging device (4) carries the pipe subjected to cutting to incline laterally so as to automatically transfer the pipe to a discharging station.