CN114054980B

CN114054980B - A laser cutter for weaving pipe disconnect-type cutting

Info

Publication number: CN114054980B
Application number: CN202111594832.7A
Authority: CN
Inventors: 张庭军; 惠东宇
Original assignee: Relats SA
Current assignee: Relats SA
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2023-09-08
Anticipated expiration: 2041-12-23
Also published as: CN114054980A

Abstract

The application relates to the technical field of automatic processing equipment, in particular to a laser cutting machine for separating and cutting a braided tube, which aims to solve the problems that a hot cutting machine is adopted to cut the braided tube and a large heating range is easy to generate loose openings, inclined openings and uneven cuts in the prior art.

Description

A laser cutter for weaving pipe disconnect-type cutting

Technical Field

The application relates to the technical field of automatic processing equipment, in particular to a laser cutting machine for separating and cutting a braided tube.

Background

The braided tube is a product obtained by braiding a layer of net-shaped protective layer outside a stainless steel hose or a rubber tube, and is mainly used for protecting electric circuits and pipeline connectors such as household taps. The braided tube has flexible pitch, so that the braided tube has better elasticity, and meanwhile, the braided tube has certain wear resistance due to the protective layer formed by braiding, so that the braided tube is widely applied.

At present, due to the protection effect of the braiding layers of the braided tube, the conventional pipeline cutting equipment is difficult to efficiently cut the braided tube, and therefore a hot cutting machine is generally adopted to cut the braided tube in production. The hot cutting machine is mechanical equipment for melting and separating materials by utilizing concentrated heat energy, and heats the cutting part of the braided tube in the processing process, so that the cutting part is melted, and finally, the separation of two braided tubes is realized under the assistance of the cutting mechanism.

In carrying out the present application, the inventors have found that the above-described technique has at least the following problems:

the hot cutting machine is adopted to cut the braided tube, the heating range is large, the problems of open mouth, inclined mouth, uneven cut and the like are easy to occur, and the service performance of the braided tube is influenced.

Disclosure of Invention

In order to improve the cutting quality of a braided tube and improve a cutting notch, the application provides a laser cutting machine for separating and cutting the braided tube.

The application provides a laser cutting machine for separating and cutting a braided tube, which adopts the following technical scheme:

the utility model provides a laser cutter for weaving pipe disconnect-type cutting, includes the loading attachment that is used for storing and carries tubular product, is used for carrying out cutting device and the material collecting device who is used for collecting the tubular product that the cutting accomplished to tubular product, cutting device includes laser source and laser cutting head, the cutting workstation top is equipped with the work slide rail, laser cutting head slidable mounting is on the work slide rail, cutting device is still including the drive mechanism that is used for driving the laser cutting head and removes on the work slide rail.

Through adopting above-mentioned technical scheme, store and carry tubular product through loading attachment, carry cutting device with tubular product after, the laser source produces laser, laser cutting head sends laser, and then realizes the laser cutting to tubular product, helps melting the cutting to tubular product through the concentrated laser of heat energy, has replaced the hot cutting machine that adopts the scope great and has cut, helps reducing the heating width, reduces the possibility that the condition that the open or incision is uneven takes place after the tubular product cutting, helps improving the cutting process quality of tubular product.

In a specific implementation manner, the feeding device comprises a feeding wheel disc and a feeding motor, and an output shaft of the feeding motor is in key connection with a rotating shaft of the feeding wheel disc.

Through adopting above-mentioned technical scheme, through material loading motor drive material loading rim plate rotation, and then realize the material loading, help removing the form of substituting artifical material loading, help improving the efficiency of tubular product cutting, reduced the cost of labor.

In a specific implementation mode, a tension adjusting device is further arranged between the feeding device and the cutting device, the tension adjusting device comprises a fixed support fixed on the workbench, a driven roller used for supporting the pipe to pass through is arranged on the fixed support, one end, far away from the workbench, of the fixed support is hinged to a movable support, a tension adjusting rod is arranged on the movable support, and the tension adjusting rod is perpendicular to the conveying direction of the pipe.

Through adopting above-mentioned technical scheme, set up tension adjusting device between loading attachment and cutting device, help keeping the tubular product tension in the cutting equipment through tension adjusting device, and then help reinforcing tubular product when cutting processing, the roughness of braided wire in the weaving layer helps further improving the incision parallel and level degree after the cutting.

In a specific implementation manner, the tension adjusting device further comprises an infrared sensor and a controller, wherein the infrared sensor and the controller are both arranged on the fixed support, the infrared sensor is arranged at a position on the fixed support, which is close to the movable support, and can shield the infrared sensor when the movable support is lifted to a preset angle, and the infrared sensor is not shielded when the movable support is lowered to the preset angle, the infrared sensor is electrically connected with the controller, the controller is electrically connected with the feeding motor, and the controller is configured to receive signals detected by the infrared sensor and control the starting or the closing of the feeding motor according to the signals detected by the infrared sensor.

Through adopting above-mentioned technical scheme, through the system that infrared sensor and controller, material loading motor constitute, help controlling material loading motor work when tension is too high, input the tubular product into tension adjusting device, alleviate the tension of tubular product, and then reduce the cracked possibility of tubular product emergence in the in-process of tensioning, help improving the stability of laser cutting machine automation work, reduce the unusual possibility of tubular product transportation in the work.

In a specific embodiment, the tension adjusting device further comprises a cushion pad, wherein the cushion pad is arranged on the workbench and is positioned at a contact position of the movable support and the workbench.

Through adopting above-mentioned technical scheme, set up the blotter in movable support below, help buffering movable support when the movable support whereabouts with the help of the blotter, reduced the movable support and received the possibility that the impact leads to damaging in frequently whereabouts.

In a specific embodiment, the cutting device further comprises a protection chamber arranged outside the laser cutter and the cutting workbench, and a control panel electrically connected with the laser cutter is arranged on the protection chamber.

Through adopting above-mentioned technical scheme, set up the guard chamber in cutting device, block the laser that produces the cutting through the guard chamber, reduced staff's direct-view laser's possibility, help improving the security of laser cutter work.

In a specific implementation manner, the laser source comprises a laser generator, a laser tube is connected to the transmitting end of the laser generator, one end, far away from the laser generator, of the laser tube is connected to the laser cutting head, the laser tube is used for achieving reflection gain and conduction of laser, and a water cooling mechanism used for achieving cooling is arranged outside the laser tube.

By adopting the technical scheme, the water cooling mechanism is arranged outside the laser tube, so that the cooling efficiency of the laser source is enhanced by means of the water cooling mechanism, and the working stability of the laser source is improved.

In a specific embodiment, the water cooling mechanism comprises a sleeve portion adjacent to the laser generator and a coil portion coiled around the laser tube at an end remote from the laser generator.

By adopting the technical scheme, the coil is arranged at the transmitting end close to the laser, so that the heat dissipation efficiency of the laser source is further enhanced through the coiling structure of the coil, and the working stability of the laser source is improved.

In a specific embodiment, the water cooling mechanism further comprises a housing disposed outside the sleeve portion and the coil portion.

Through adopting above-mentioned technical scheme, set up the shell outside sleeve pipe portion and coil pipe portion, help reducing staff's direct contact and be used for radiating water pipe, and then help reducing staff's possibility of injury.

In summary, the present application includes at least one of the following beneficial technical effects:

the pipe is stored and conveyed through the feeding device, after the pipe is conveyed to the cutting device, the laser source generates laser, the laser cutting head emits the laser, so that the laser cutting of the pipe is realized, the pipe is melted and cut through the laser with concentrated heat energy, the cutting by adopting a hot cutting machine with a large range is replaced, the heating width is reduced, the possibility that the situation that a loose opening or a cut is not flush after the pipe is cut is reduced, and the cutting processing quality of the pipe is improved;

the tension adjusting device is arranged between the feeding device and the cutting device, so that the tension of the pipe in the cutting equipment is maintained through the tension adjusting device, further, the flatness of the braided wires in the braided layer is improved when the pipe is cut, the cut leveling degree after cutting is further improved, the feeding motor is controlled to work when the tension is too high through a system formed by the infrared sensor, the controller and the feeding motor, the pipe is input into the tension adjusting device, the tension of the pipe is relieved, the possibility of breakage of the pipe in the tensioning process is further reduced, the stability of automatic work of the laser cutting machine is improved, and the possibility of abnormal pipe conveying in the work is reduced;

the external water cooling mechanism is arranged outside the laser tube, so that the cooling efficiency of the laser source is enhanced by means of the water cooling mechanism, the working stability of the laser source is improved, the coil is arranged at the transmitting end close to the laser, the heat dissipation efficiency of the laser source is further enhanced by the coil coiling structure, and the working stability of the laser source is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall block diagram of a laser cutter for split cutting of woven tubes, shown in an embodiment of the application;

FIG. 2 is a block diagram of a system for laser cutter tension adjustment for split cutting of woven tubes, shown in an embodiment of the application;

fig. 3 is a cross-sectional view of a laser source of a laser cutter for split cutting of woven tubes, shown in an embodiment of the application.

Reference numerals illustrate: 1. a feeding device; 11. a feeding wheel disc; 12. a feeding motor; 2. a cutting device; 21. a laser source; 211. a laser generator; 212. a laser tube; 213. a water cooling mechanism; 2131. a sleeve portion; 2132. a coil pipe section; 2133. a housing; 22. a laser cutting head; 23. a working slide rail; 24. a transmission mechanism; 25. a protective chamber; 26. a control panel; 3. a material receiving device; 4. a tension adjusting device; 41. a fixed bracket; 42. driven roller; 43. a movable bracket; 44. a tension adjusting lever; 45. an infrared sensor; 46. a controller; 47. and a cushion pad.

Detailed Description

The present embodiments are to be considered as merely illustrative and not restrictive, and modifications may occur to those skilled in the art upon reading the present specification and may be made without inventive faculty thereto, and it is to be understood that the embodiments are to be considered as part of, but not all of, the embodiments of the present application are to be considered as being explicitly described in connection with fig. 1-3 of the embodiments of the present application insofar as they are protected by the patent law within the scope of the appended claims.

The embodiment of the application provides a laser cutting machine for separating and cutting a braided tube.

Referring to fig. 1, a laser cutter for separate cutting of a braided tube includes a feeding device 1 for storing and conveying a tube, a cutting device 2 for cutting the tube, a tension adjusting device 4 for adjusting tension of the tube, and a receiving device 3 for collecting the cut tube.

Referring to fig. 1 and 2, the loading device 1 includes a loading wheel disc 11 and a loading motor 12, the loading wheel disc 11 is configured as an i-shaped wheel disc, a pipe is stored in the middle of the loading wheel disc 11, and the loading wheel disc 11 is in key connection with the loading motor 12, so that an engineer can realize driving of the loading wheel disc 11 through the loading motor 12. The tension adjusting device 4 is arranged between the feeding device 1 and the cutting device 2 and is used for adjusting the tension of the pipe in conveying. The tension adjusting device 4 comprises a fixed support 41, the fixed support 41 is a door-shaped support, the fixed support 41 is arranged along the conveying direction perpendicular to the pipe, a driven roller 42 for supporting the pipe in the pipe conveying process is further arranged on the fixed support 41, the driven roller 42 is arranged on the fixed support 41 through a rotating shaft, and the driven roller 42 is also arranged along the mounting direction of the fixed support 41. The top of the fixed support 41 is hinged with a movable support 43, the movable support 43 is arranged on one side of the fixed support 41 away from the feeding device 1, a tension adjusting rod 44 is erected in one end of the movable support 43 away from the fixed support 41, and the tension adjusting rod 44 is arranged as a thin rod perpendicular to the conveying direction of the pipe. Thus, under the action of gravity, when the pipe passes under the tension adjusting rod 44 in the process of transmission, the pipe is pressed by the tension adjusting rod 44, and further tensioning is achieved. To protect the table, the position where the movable support 43 rests on the table when fully relaxed may be provided with a cushion 47 to help protect the table while relieving the movable support 43 from impact.

Referring to fig. 2, the tension adjusting device 4 further includes an infrared sensor 45 and a controller 46, both the infrared sensor 45 and the controller 46 are disposed on the fixed bracket 41, the infrared sensor 45 is disposed at the top end of the fixed bracket 41, and the infrared detection beam emitted by the infrared sensor 45 is configured to block the infrared detection beam when the lifting angle of the movable bracket 43 in the clockwise direction exceeds a preset value; when the lifting angle is lower than a preset value, the infrared detection light beam is not blocked. The infrared sensor 45 is arranged to be electrically connected with the controller 46, the controller 46 is also electrically connected with the feeding motor 12 in the feeding device 1, and the controller 46 is configured to: the signal detected by the infrared sensor 45 is received, and the opening and closing of the feeding motor 12 is controlled according to the received infrared detection signal.

Specifically, the infrared sensor 45 may be configured as an infrared correlation sensor, the controller 46 may be configured as a PLC controller 46, and the feeding motor 12 may be configured as a servo motor. During the pipe conveying process, when the pipe is stressed by the tension adjusting rod 44 to show tension, the reaction force of the pipe to the tension adjusting rod 44 enables the tension adjusting rod 44 to be lifted, and when the tension is larger, the lifting of the tension adjusting rod 44 is higher, and the lifting of the movable support 43 is also higher. Thus, when the tension exceeds the preset tension threshold, the movable bracket 43 can shield the infrared detection beam emitted by the infrared sensor 45 in the rotating process, and the infrared sensor 45 can acquire a detection signal immediately after the infrared detection beam is shielded. At this time, the infrared sensor 45 reports the detection signal to the controller 46, and after the controller 46 receives the detection signal, the controller sends a control signal to the feeding motor 12, and the feeding motor 12 rotates according to a preset step size according to the received signal.

It should be noted that, as the technical solution of the present application, the hardware setting is provided only for facilitating the implementation of the tension adjustment on the basis of the hardware facility, and the specific method how to implement the tension adjustment is not an object of the technical problem and protection to be solved by the present application. Meanwhile, the communication methods among the devices adopt the existing communication methods, and are not the application points of the application.

Referring to fig. 1, the cutting device 2 includes a cutting table, a laser cutter, and a shielding chamber 25, and the shielding chamber 25 is disposed outside the cutting table and the laser cutter for shielding laser. The cutting device 2 further comprises a control panel 26, the control panel 26 being provided on the outer side wall of the guard room 25, which helps to reduce the likelihood of the engineer being injured by the laser light. The cutting workstation top is equipped with work slide rail 23, and laser cutter includes laser source 21 and laser cutting head 22, and laser cutting head 22 slidable mounting still is equipped with drive mechanism 24 on work slide rail 23 in the protection room 25, and drive mechanism 24 can set up to the tank chain, and drive mechanism 24 is used for driving laser cutting head 22 and removes, and then realizes removing the cutting.

Referring to fig. 3, the laser source 21 includes a laser generator 211, the laser generator 211 is disposed at one end of the laser source 21 far away from the protection chamber 25, a transmitting end of the laser generator 211 is connected with a laser tube 212, one end of the laser tube 212 far away from the laser generator 211 is connected with a laser cutting head 22, the laser tube 212 is used for realizing reflection gain and conduction of laser, and a water cooling mechanism 213 for realizing cooling is arranged outside the laser tube 212. The water cooling mechanism 213 includes a sleeve portion 2131 and a coil portion 2132, the sleeve portion 2131 is fitted over the laser tube 212, the sleeve portion 2131 is disposed coaxially with the laser tube 212, and the sleeve portion 2131 is located closer to the laser generator 211 than the coil portion 2132. Coiled portion 2132 is coiled around laser tube 212 at an end remote from laser generator 211. The water cooling mechanism 213 further includes a housing 2133 provided outside the sleeve portion 2131 and the coil portion 2132.

The implementation principle of the embodiment of the application is as follows: the pipe is stored in the feeding wheel disc 11, the feeding wheel disc 11 rotates under the drive of the feeding motor 12, the pipe is conveyed into the tension adjusting device 4, the pipe passes through the tension adjusting device 4 after passing through the upper part of the driven roller 42 and the lower part of the tension adjusting rod 44, and at the moment, if the pipe tension is larger than a preset value, the controller 46 controls the feeding motor 12 to continue to work; if the tube tension is less than the preset value, the controller 46 controls the feeding motor 12 to stop working.

The pipe is conveyed into the cutting device 2 after passing through the tension adjusting device 4, a transmission mechanism 24 in the cutting device 2 controls the laser cutting head 22 to move, cutting is achieved, and finally the cut pipe falls into the receiving device 3 to be collected.

It will be clearly understood by those skilled in the art that, for convenience and simplicity of description, only the above-mentioned division of each functional module is illustrated, in practical application, the above-mentioned functional allocation may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above-mentioned functions, and the specific working processes of the above-mentioned system, device and unit may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein.

The foregoing embodiments are only used to describe the technical solution of the present application in detail, but the descriptions of the foregoing embodiments are only used to help understand the method and the core idea of the present application, and should not be construed as limiting the present application. Variations or alternatives, which are easily conceivable by those skilled in the art, are included in the scope of the present application.

Claims

1. A laser cutter for weaving pipe disconnect-type cutting which characterized in that: the pipe cutting device comprises a feeding device (1) for storing and conveying pipes, a cutting device (2) for cutting the pipes and a receiving device (3) for collecting the cut pipes, wherein the cutting device (2) comprises a laser source (21) and a laser cutting head (22), a working slide rail (23) is arranged above a cutting workbench, the laser cutting head (22) is slidably mounted on the working slide rail (23), and the cutting device (2) further comprises a transmission mechanism (24) for driving the laser cutting head (22) to move on the working slide rail (23);

the feeding device (1) comprises a feeding wheel disc (11) and a feeding motor (12), wherein an output shaft of the feeding motor (12) is connected with a rotating shaft of the feeding wheel disc (11) in a key manner;

a tension adjusting device (4) is further arranged between the feeding device (1) and the cutting device (2), the tension adjusting device (4) comprises a fixed support (41) fixed on the workbench, a driven roller (42) for supporting a pipe to pass through is arranged on the fixed support (41), a movable support (43) is hinged to one end, far away from the workbench, of the fixed support (41), a tension adjusting rod (44) is arranged on the movable support (43), and the tension adjusting rod (44) is perpendicular to the conveying direction of the pipe;

the tension adjusting device (4) further comprises an infrared sensor (45) and a controller (46), wherein the infrared sensor (45) and the controller (46) are both arranged on the fixed support (41), the infrared sensor (45) is arranged at a position, close to the movable support (43), on the fixed support (41) and can shield the infrared sensor (45) when the movable support (43) is lifted to a preset angle and can not shield the infrared sensor when the movable support is lowered to the preset angle, the infrared sensor (45) is electrically connected with the controller (46), the controller (46) is electrically connected with the feeding motor (12), and the controller (46) is configured to receive signals detected by the infrared sensor (45) and control the feeding motor (12) to be started or closed according to the signals detected by the infrared sensor (45);

the tension adjusting device (4) further comprises a buffer cushion (47), wherein the buffer cushion (47) is arranged on the workbench and is positioned at the contact position of the movable bracket (43) and the workbench;

the cutting device (2) further comprises a protection chamber (25) arranged outside the laser cutting head (22) and the cutting workbench, and a control panel (26) electrically connected with the laser cutting head (22) is arranged on the protection chamber (25);

the laser source (21) comprises a laser generator (211), a laser tube (212) is connected to the emitting end of the laser generator (211), one end, far away from the laser generator (211), of the laser tube (212) is connected with a laser cutting head (22), the laser tube (212) is used for realizing reflection gain and conduction of laser, and a water cooling mechanism (213) for realizing cooling is arranged outside the laser tube (212);

the water cooling mechanism (213) comprises a sleeve part (2131) and a coil pipe part (2132), the sleeve part (2131) is close to the laser generator (211), and the coil pipe part (2132) is coiled on a laser pipe (212) far from one end of the laser generator (211);

the water cooling mechanism (213) further comprises a housing (2133) provided outside the sleeve portion (2131) and the coil portion (2132).