CN215846258U - Groove processing device and plasma cutting system - Google Patents

Abstract

The utility model relates to a groove preparation technical field especially relates to a groove preparation device and plasma cutting system, including the device main part, be used for fixing the chuck of pipe fitting, be used for carrying out the cutting torch of cutting and the cutting position that is used for adjusting the cutting torch and the regulation support of cutting angle to the pipe fitting, be provided with in the device main part and be used for adjusting the chuck along the axial for device main part slew rate's drive assembly, the first end and the device main part of regulation support are connected, the second end is connected with the cutting torch. So set up, through the chuck can the centre gripping shorter pipe fitting, be favorable to carrying out the grooving to shorter pipe fitting, grooving in the cutting of pipe fitting, production efficiency is high, and is with low costs, and the cutting quality is reliable.

Description

Groove processing device and plasma cutting system

Technical Field

The application relates to the technical field of groove machining, in particular to a groove machining device and a plasma cutting system.

Background

The main methods for grooving the metal pipe at present comprise a lathe for processing the pipe groove, a magnetic pipeline cutting machine and a numerical control intersecting line beveling machine, wherein the lathe for processing the pipe groove utilizes a turning tool for metal cutting, and has low speed and low production rate; the minimum length of a cut pipeline is 700mm, and the minimum diameter of the cut pipeline is phi 108 mm; the numerical control intersecting line beveling machine has the disadvantages of high manufacturing cost, large equipment volume and high operation difficulty.

The existing technology for preparing the groove of the metal pipe mostly depends on lathe machining, and for a welding mechanism which is a place with more training welder materials and frequent groove preparation, because the hardness of a welding seam area is very high, the difficulty of machining the groove by using the lathe is high, the groove is not easy to machine and the machining efficiency is low, and the magnetic pipeline cutting machine is limited by the length of the pipeline and cannot machine the groove for a relatively short pipe weldment.

Therefore, how to solve the problems that the existing equipment has low groove machining efficiency and cannot perform groove machining on the short pipe is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the present application aims to provide a groove machining device and a plasma cutting system, which can solve the problems that the groove machining efficiency of the existing equipment is low and the short pipe cannot be subjected to groove machining. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the application are described in detail in the following.

The application provides groove preparation device and plasma cutting system, including the device main part, be used for the chuck of fixed pipe fitting, be used for carrying out the cutting torch of cutting to the pipe fitting and be used for adjusting the cutting position of cutting torch and the regulation support of cutting angle, be provided with in the device main part and be used for adjusting the chuck along the axial for device main part slew rate's drive assembly, the first end of regulation support with device main part is connected, the second end with the cutting torch is connected.

Preferably, the adjusting bracket comprises a first adjusting structure for adjusting the axial displacement of the second end along the chuck, a second adjusting structure for adjusting the radial displacement of the second end along the chuck, and a third adjusting structure for adjusting the axial rotation of the second end perpendicular to the chuck.

Preferably, the third adjusting structure comprises a first rotating part and a second rotating part, one of the first rotating part and the second rotating part is provided with an angle scale, the other one of the first rotating part and the second rotating part is provided with an angle pointer, and the angle scale is consistent with the angle value relative to the angle pointer and the included angle value of the cutting gun relative to the axial direction of the chuck.

Preferably, the driving assembly comprises a motor and a frequency converter, and the motor is in transmission connection with the chuck and is electrically connected with the frequency converter.

Preferably, the device main body comprises a control box, and a motor control knob for controlling the forward and reverse rotation and the starting and stopping of the motor, a frequency adjusting knob for controlling the frequency of the frequency converter and a power switch are arranged in the control box.

Preferably, a brake module used for limiting the rotation of the output shaft of the motor is arranged in the control box, and the brake module is electrically connected with the power switch.

Preferably, the device body further comprises a storage box located below the control box.

Preferably, the control box is provided with a heat dissipation hole and a heat dissipation fan.

Preferably, the pipe fitting further comprises a roller bracket for supporting the pipe fitting.

The application also provides a plasma cutting system, which comprises the groove machining device.

The technical scheme provided by the application can comprise the following beneficial effects:

when the groove of pipe fitting is being processed, fix the pipe fitting on the chuck earlier, and keep coaxial, so that drive assembly can drive chuck and pipe fitting rotatory for the device main part, fix the second end on adjusting the support with the cutting torch, and keep adjusting the first end of support and be connected with the device main part, position and angle according to the groove of required processing, adjust the cutting position and the cutting angle of cutting torch through adjusting the support, axis towards the pipe fitting with the cutting direction of guaranteeing the cutting torch, and form corresponding slope, through the rotation of pipe fitting, can realize the cutting of pipe fitting simultaneously and open the groove. So set up, through the chuck can the centre gripping shorter pipe fitting, be favorable to carrying out the grooving to shorter pipe fitting, grooving in the cutting of pipe fitting, production efficiency is high, and is with low costs, and the cutting quality is reliable.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present groove preparation device shown in accordance with some exemplary embodiments;

FIG. 2 is a top view of the present groove preparation device shown in accordance with some exemplary embodiments;

fig. 3 is a side view of the present groove preparation device shown in accordance with some exemplary embodiments.

In the figure: 1. a chuck; 2. cutting the torch; 3. adjusting the bracket; 4. a motor; 5. a frequency converter; 6. a motor control knob; 7. a frequency adjustment knob; 8. a power switch; 9. a brake assembly; 10. a heat radiation fan; 11. a control box; 12. a storage box.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 1-3, the present embodiment provides a groove preparation device, including a device main body, a chuck 1, a cutting gun 2 and an adjusting bracket 3, wherein the chuck 1 is used for fixing a pipe and can drive the pipe and the chuck 1 to rotate coaxially, the chuck 1 can be configured as a two-jaw chuck, a three-jaw chuck, a four-jaw chuck, a manual chuck, a pneumatic chuck, a hydraulic chuck, an electric chuck and a mechanical chuck, where the chuck 1 is configured with a three-jaw chuck, which can be clamped at the periphery of the pipe and can be supported at the inner side of the pipe, thereby facilitating groove preparation of a shorter pipe; cutting torch 2 is used for cutting the pipe fitting to form the groove in cutting position, specifically, cutting torch 2 sets up the cutting end to LGK-100 plasma cutting machine, and the device main part sets up to the electrically conductive material of metal, is connected cutting torch 2 and cutting machine, switches on the earth connection of cutting machine and device main part simultaneously, so that form the plasma arc between cutting torch 2 and the pipe fitting, and then carries out the cutting of plasma arc.

The device main body is provided with a driving assembly, the driving end of the driving assembly is in transmission connection with the chuck 1 and can drive the chuck 1 to rotate along the axis of the chuck 1, so that the chuck 1 can drive the pipe fitting to rotate relative to the device main body; simultaneously, drive assembly has regulatory function, can adjust the slew rate of chuck, like this, can adjust the rotational speed of chuck according to the wall thickness of pipe fitting or diameter to guarantee that the rotatory a week of chuck can accomplish the pipe fitting cutting and form the groove, be favorable to promoting the groove cutting precision of pipe fitting.

The first end and the device main part of adjusting support 3 are connected, the second end is connected with cutting gun 2, through adjusting the position form of adjusting support 3, and then adjusts cutting position and cutting angle of 2 pairs of pipe fittings of cutting gun.

When the groove of pipe fitting is being processed, fix the pipe fitting on chuck 1 earlier, and keep coaxial, so that drive assembly can drive chuck 1 and pipe fitting rotatory for the device main part, fix cutting gun 2 at the second end on adjusting support 3, and keep adjusting support 3's first end and device main part and be connected, position and angle according to the groove of required processing, adjust cutting gun 2's cutting position and cutting angle through adjusting support 3, axis towards the pipe fitting in the cutting direction of guaranteeing cutting gun 2, and form corresponding slope, through the rotation of pipe fitting, can realize the cutting of pipe fitting simultaneously and open the groove.

So set up, through chuck 1 can the centre gripping shorter pipe fitting, be favorable to carrying out the grooving to shorter pipe fitting, grooving when cutting pipe fitting, production efficiency is high, and is with low costs, and the cutting quality is reliable.

In some embodiments, the adjusting bracket 3 comprises a first adjusting structure, a second adjusting structure and a third adjusting structure, wherein the first adjusting structure is used for adjusting the axial displacement of the second end of the adjusting bracket 3 relative to the first end along the chuck 1, which is beneficial to adjusting the cutting length of the pipe; the second adjusting structure is used for adjusting the radial displacement of the second end of the adjusting bracket 3 relative to the first end along the chuck 1, so that the cutting distance of the pipe fitting can be adjusted; the third adjusting structure is used for adjusting the second end of the adjusting bracket 3 to rotate relative to the first end along the axial direction perpendicular to the chuck 1, so that the cutting angle of the pipe fitting can be adjusted. And then, the second end through adjusting support 3 drives cutting gun 2 for device main part displacement and rotation to be convenient for cut and the grooving to the pipe fitting according to actual demand.

Specifically, the first adjusting structure comprises a first sliding rod and a first adjusting piece which can be slidably adjusted along the first sliding rod, wherein the first sliding rod is arranged along the axial direction of the chuck 1, so that the displacement direction of the first adjusting piece is the axial direction of the chuck 1; the second adjusting structure comprises a second slide rod and a second adjusting piece capable of being adjusted along the second slide rod in a sliding mode, and the second slide rod is arranged along the radial direction of the chuck 1, so that the displacement direction of the second adjusting piece is the radial direction of the chuck 1. Of course, the first sliding rod and the second sliding rod are vertically arranged, and the first adjusting piece and the second adjusting piece are fixed into a whole.

Wherein, the third is adjusted the structure including first rotating part and second rotating part, one of them of first rotating part and second rotating part is provided with the angle scale, another is provided with the angle pointer, the specific numerical value of the directional angle scale of angle pointer, so that the angle value that angle scale and angle pointer are relative is unanimous with the axial contained angle value of cutting gun 2 for chuck 1, like this, can judge the cutting angle of cutting gun 2 through the angle registration that the angle pointer indicates, convenient and fast, and time and labor saving.

Here, the adjusting bracket 3 may be provided as a gimbal, a welding gun adjusting bracket, a welding gun fixing bracket, or the like, so as to adjust the position and angle of the cutting gun 2.

In some embodiments, the driving assembly comprises a motor 4 and a frequency converter 5, wherein an output end of the motor 4 is in transmission connection with the chuck 1 to drive the chuck 1 to rotate, an electric connection end of the motor 4 is connected with the frequency converter 5, the rotating speed of the motor 4 is adjusted through the output frequency of the frequency converter 5, and the rotating speed of the motor 4 can be correspondingly adjusted according to the thickness and the diameter of the pipe fitting in the using process, so that the cutting efficiency of the cutting gun 2 on the pipe fitting is improved.

Here, the motor 4 is provided as a servo motor 4, which facilitates the control of the rotational speed.

The device main body comprises a control box 11, wherein a motor control knob 6, a frequency adjusting knob 7 and a power switch 8 are arranged in the control box 11, the motor control knob 6 is used for controlling the forward rotation, the reverse rotation and the stop of the motor 4, specifically, the motor control knob 6 is provided with three gears, and the three gears are switched by rotation; the frequency adjusting knob 7 is used for adjusting the output frequency of the frequency converter 5 so as to adjust the rotating speed of the motor 4; the power switch 8 is electrically connected with the frequency converter 5 and is used for controlling the on-off of the circuit so as to control the on-off of the frequency converter 5 and the motor 4. So, conveniently carry out accurate regulation to chuck 1's rotation, promote grooving and cutting quality.

Here, the inverter 5 has a frequency display panel for displaying an actual output frequency.

Because the output shaft of the motor 4 has certain inertia, when the motor 4 is powered off and stopped, the chuck 1 can continue to rotate due to the inertia, inaccurate cutting is easily caused, the control box 11 is also internally provided with the brake module 9 for limiting the rotation of the output shaft of the motor 4, meanwhile, the brake module 9 is electrically connected with the power switch 8, and when the power switch 8 is powered off, the brake module 9 takes effect and limits the rotation of the output shaft of the motor 4.

Specifically, the working principle of the power-off brake of the motor 4 is as follows: the tail part of the motor 4 is provided with an electromagnetic brake, when the motor 4 is electrified, the electromagnetic brake is also electrified and sucked, and the electromagnetic brake does not brake the motor 4; when the motor 4 is powered off, the motor 4 is also powered off, and the brake is used for braking the motor 4 under the action of the spring. The back end cover of the motor 4 is provided with a friction disc and an excitation coil which are made of asbestos wear-resistant materials, when the motor 4 is powered off, the friction disc is tightly pressed on a processed plane of the back end cover of the motor 4 through a pressing plate by a brake spring, so that the brake disc generates strong friction torque to achieve the purpose of braking, when the excitation coil is powered on, electromagnetic attraction is generated to attract the spring pressing plate, the pressing plate leaves the friction disc to release the friction disc, the motor flexibly rotates, and the coil resistance is between dozens of ohms and hundreds of ohms according to different motor powers.

In some preferred schemes, the device main part is still including storage tank 12, and storage tank 12 sets up to the below of control box 11 for place cutting gun 2 and accessory, be favorable to realizing accomodating of article.

Because the existence of motor 4 and converter 5 generates heat, seted up the louvre on control box 11 to install radiator fan 10 additional, with the heat escape in the control box 11, be favorable to guaranteeing control box 11 inside temperature stability.

In some embodiments, in order to bevel a longer pipe, a roller bracket is further provided, which is used for supporting the pipe and can rotate the pipe, so that the pipe rotates under the support of the roller bracket when the pipe is coaxial with the chuck 1. Here, the roller bracket can be designed for an existing product, and is not described in detail.

The machining mode of the present beveling apparatus will be specifically described below.

When cutting, firstly, according to the thickness of the cut pipe, the rotating speed of the motor 4 is controlled by adjusting the frequency of the frequency converter 5, for example: the wall thickness of the pipe is 6mm, the outer diameter is 60mm, when a 30-degree groove is formed, the output frequency of the frequency converter 5 can be adjusted to be 45 Hz, the current of the plasma cutting machine is adjusted to be 60A, the pipe needing to cut the groove is clamped, the angle of the plasma cutting gun 2 relative to the surface of the pipe is adjusted to be 30 degrees after the parameters are adjusted, the distance is 5mm, cutting is ready to start, firstly, a switch of the cutting gun 2 is opened, then a starting switch of the frequency converter 5 is opened, normal cutting action is achieved, cutting action is stopped after the pipe is cut for a circle, the switch of the frequency converter 5 is closed, the motor 4 stops running, and cutting work is completed.

The application also provides a plasma cutting system comprising the groove machining device. Of course, a plasma cutter or the like is also included. So set up, through chuck 1 can the centre gripping shorter pipe fitting, be favorable to carrying out the grooving to shorter pipe fitting, grooving when cutting pipe fitting, production efficiency is high, and is with low costs, and the cutting quality is reliable. The derivation process of the beneficial effect is substantially similar to that of the beneficial effect brought by the groove machining device, and therefore, the description is omitted here.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The stated "horizontal", "vertical", "up", "down", "left" and "right" are the ones that are indicated when the groove preparation device is in a natural state of placement.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the application comprise basic schemes of the schemes, are independent of each other and are not restricted to each other, but can be combined with each other under the condition of no conflict, so that multiple effects are achieved together.

While embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. The utility model provides a groove preparation device, its characterized in that, including device main part, the chuck (1) that is used for fixed pipe fitting, be used for carrying out the cutting torch (2) of cutting to the pipe fitting and be used for adjusting cutting position and the regulation support (3) of cutting angle of cutting torch (2), be provided with in the device main part and be used for adjusting chuck (1) along the axial for device main part slew rate's drive assembly, adjust the first end of support (3) with device main part is connected, the second end with cutting torch (2) are connected.

2. Groove preparation device according to claim 1, characterized in that the adjustment support (3) comprises a first adjustment structure for adjusting the axial displacement of the second end along the chuck (1), a second adjustment structure for adjusting the radial displacement of the second end along the chuck (1) and a third adjustment structure for adjusting the axial rotation of the second end perpendicular to the chuck (1).

3. Groove preparation device according to claim 2, characterized in that the third adjustment structure comprises a first rotary part and a second rotary part, one of the first rotary part and the second rotary part is provided with an angle scale, the other is provided with an angle pointer, and the angle scale corresponds to the angle value of the angle pointer and the angle value of the cutting torch (2) relative to the axial direction of the chuck (1).

4. Groove preparation device according to claim 1, characterized in that the drive assembly comprises a motor (4) and a frequency converter (5), wherein the motor (4) is in transmission connection with the chuck (1) and is electrically connected with the frequency converter (5).

5. The groove machining device according to claim 4, wherein the device body comprises a control box (11), and a motor control knob (6) for controlling the forward and reverse rotation and start and stop of the motor (4), a frequency adjusting knob (7) for controlling the frequency of the frequency converter (5) and a power switch (8) are arranged in the control box (11).

6. Groove preparation device according to claim 5, characterized in that a brake module (9) for limiting the rotation of the output shaft of the motor (4) is arranged in the control box (11), and the brake module (9) is electrically connected with the power switch (8).

7. Groove preparation device according to claim 5, characterized in that the device body further comprises a storage compartment (12) located below the control compartment (11).

8. Groove preparation device according to claim 5, characterized in that the control box (11) is provided with heat dissipation holes and a heat dissipation fan (10).

9. The groove preparation apparatus of claim 1, further comprising a roller support for supporting the tube.

10. A plasma cutting system comprising the groove preparation apparatus of any one of claims 1 to 9.

Images