阅读说明：本技术 能实现高质量切割且便于操作的等离子自动切割装置 (Plasma automatic cutting device capable of achieving high-quality cutting and convenient to operate ) 是由 苟渝路 苟大利 肖卫洪 卢圆圆 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种能实现高质量切割且便于操作的等离子自动切割装置,包括等离子切割枪、基座、万向滚轮、主动转向齿轮、从动转向齿轮、主动滚轮、从动滚轮、调节齿轮和传动齿轮,多个万向滚轮、主动转向齿轮和从动转向齿轮分别安装在基座的下面,主动滚轮固定安装在主动转向齿轮的下面,从动滚轮固定安装在从动转向齿轮的下面,相互啮合连接的调节齿轮和传动齿轮分别安装在基座的下面并位于主动转向齿轮和从动转向齿轮之间,调节齿轮和传动齿轮分别同时与主动转向齿轮或从动转向齿轮啮合连接。本发明能够实现精确的直线、圆形、弧形等切割且切割面整齐,以较低的人力和财力成本完成高质量的等离子切割任务,适合推广应用。(The invention discloses a plasma automatic cutting device capable of realizing high-quality cutting and convenient to operate, which comprises a plasma cutting gun, a base, universal rollers, a driving steering gear, a driven steering gear, a driving roller, a driven roller, an adjusting gear and a transmission gear, wherein the universal rollers, the driving steering gear and the driven steering gear are respectively arranged below the base, the driving roller is fixedly arranged below the driving steering gear, the driven roller is fixedly arranged below the driven steering gear, the adjusting gear and the transmission gear which are mutually meshed and connected are respectively arranged below the base and positioned between the driving steering gear and the driven steering gear, and the adjusting gear and the transmission gear are respectively and simultaneously meshed and connected with the driving steering gear or the driven steering gear. The plasma cutting machine can realize accurate linear, circular, arc and other cutting, has regular cutting surfaces, can finish high-quality plasma cutting tasks with lower labor and financial cost, and is suitable for popularization and application.)

1. The utility model provides a can realize high quality cutting and be convenient for plasma automatic cutting device of operation, includes plasma cutting rifle, its characterized in that: the steering gear comprises a base, universal rollers, a driving steering gear, a driven steering gear, a driving roller, a driven roller, an adjusting gear and a transmission gear, wherein the universal rollers are arranged below the base, the driving steering gear and the driven steering gear are transversely arranged below the base and can rotate respectively, the driving roller with a driving motor is fixedly arranged below the driving steering gear, the driven roller is fixedly arranged below the driven steering gear, the driving roller, the driven roller and the universal rollers are arranged on the same virtual transverse plane, the adjusting gear and the driving gear are transversely arranged below the base and can rotate respectively, the adjusting gear and the transmission gear are meshed with each other and are arranged between the driving steering gear and the driven steering gear, the adjusting gear is meshed with the driving steering gear or the driven steering gear at the same time, and the transmission gear is meshed with the driven steering gear or the driving steering gear at the same time.

2. The automatic plasma cutting device capable of achieving high-quality cutting and facilitating operation according to claim 1, wherein: the angle adjusting plate capable of transversely rotating and being fixed is installed on the position, corresponding to the adjusting gear, on the base, and the central shaft of the adjusting gear penetrates through the corresponding through hole in the base and then is fixedly connected with the angle adjusting plate.

3. The automatic plasma cutting device capable of achieving high-quality cutting and facilitating operation according to claim 2, wherein: the angle adjusting plate is provided with a vertical locking bolt, and the lower end of the locking bolt can tightly push the upper surface of the base to fix the angle adjusting plate with the base.

4. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 2 or 3, wherein: a circular dial is arranged at a position, outside the angle adjusting disc, on the upper surface of the base, and a marking structure or a marking line corresponding to the scale mark on the dial is arranged on the peripheral edge of the angle adjusting disc; the calibrated scale is by locating scale mark on the upper surface of base constitutes, perhaps, the calibrated scale is installed on the base.

5. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 2 or 3, wherein: the adjusting gear is in meshed connection with the driven steering gear, and the transmission gear is in meshed connection with the driving steering gear.

6. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 1, 2 or 3, wherein: the adjusting gear with drive gear's the same and number of teeth of external diameter is the same, initiative steering gear with driven steering gear's the same and number of teeth of external diameter is the same, adjusting gear's external diameter and number of teeth are less than initiative steering gear's external diameter and number of teeth.

7. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 1, 2 or 3, wherein: vertical plasma cutting rifle passes through the cutting torch support mounting on the base.

8. The automatic plasma cutting device capable of achieving high-quality cutting and facilitating operation according to claim 7, wherein: keep away from on the cutting gun support the staple bolt is installed to the one end of base, the plasma cutting gun passes through the staple bolt is installed on the cutting gun support.

9. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 1, 2 or 3, wherein: the universal idler wheels are four and are respectively arranged below four corners of the base, and the universal idler wheels are magnetic universal idler wheels with permanent magnets.

10. The automatic plasma cutting apparatus capable of achieving high-quality cutting and facilitating operation according to claim 1, 2 or 3, wherein: and a speed regulator box and a power supply box which are used for providing a driving power supply for a driving motor of the driving roller are arranged on the base.

Technical Field

The invention relates to an automatic plasma cutting device, in particular to an automatic plasma cutting device which can realize high-quality cutting and is convenient to operate.

Background

The plasma cutting technology is a cutting technology which utilizes plasma arc with high energy density and high-speed plasma flow to blow melted metal away from a cutting opening so as to form a continuous notch. Meanwhile, the plasma cutting industry has obvious development advantages: compared with gas flame cutting, the plasma cutting speed is higher, the efficiency is higher, and the quality is better; compared with laser cutting, the plasma cutting has obvious advantages in cost.

At present, the method of plasma cutting comprises the steps that firstly, a worker holds a plasma cutting gun to perform manual cutting; and secondly, the plasma cutting gun is arranged on large-scale two-axis, three-axis and other equipment to carry out automatic or semi-automatic cutting.

The two conventional plasma cutting methods have the following defects:

when manual cutting is adopted, a general operation mode is that firstly, marks are marked on a material to be cut in a marking mode, cutting is carried out along the marking during cutting, the cutting speed and the cutting precision are closely related to the experience of an operator, the problem that the cutting surface is not neat is easily caused, and particularly, the straightness and the roundness cannot be well guaranteed.

When large-scale two-axis and three-axis equipment is used for cutting, firstly, a computer is used for programming cutting tracks and parameters, corresponding cutting is carried out after debugging is finished, higher skill requirements are provided for operators, programming is needed, and the like, so that higher cost is needed in the aspects of manpower and financial resources, more auxiliary time is generated for application occasions needing simple cutting, the cost is not proportional to the return, and the cutting machine is not suitable for popularization and application.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide an automatic plasma cutting apparatus which can achieve high-quality cutting and is easy to handle.

The invention realizes the purpose through the following technical scheme:

the utility model provides a can realize high quality cutting and be convenient for plasma automatic cutting device of operation, includes the plasma cutting rifle, still includes base, universal gyro wheel, initiative steering gear, driven steering gear, initiative gyro wheel, driven gyro wheel, adjusting gear and drive gear, a plurality of universal gyro wheel is installed below the base, and is horizontal initiative steering gear and horizontal driven steering gear install respectively below the base and can rotate, have driving motor the initiative gyro wheel fixed mounting below the initiative steering gear, driven gyro wheel fixed mounting is below the driven steering gear, initiative gyro wheel, driven gyro wheel and a plurality of below the universal gyro wheel be in same virtual horizontal plane, and is horizontal adjusting gear and horizontal drive gear install respectively below the base and can rotate, the adjusting gear and the transmission gear are meshed with each other and are located between the driving steering gear and the driven steering gear, the adjusting gear is meshed with the driving steering gear or the driven steering gear at the same time, and the transmission gear is meshed with the driven steering gear or the driving steering gear at the same time.

Preferably, in order to facilitate the rotation adjustment operation of the adjustment gear, an angle adjustment disc which can rotate transversely and can be fixed is mounted on the upper surface of the base corresponding to the adjustment gear, and a central shaft of the adjustment gear penetrates through a corresponding through hole on the base and then is fixedly connected with the angle adjustment disc.

Preferably, in order to fix the angle adjusting disc and the adjusting gear, a vertical locking bolt is mounted on the angle adjusting disc, and the lower end of the locking bolt can tightly prop against the upper surface of the base to fix the angle adjusting disc and the base.

Preferably, in order to realize precise angle control of the adjusting gear, a circular dial is arranged on the upper surface of the base at a position outside the angle adjusting disc, and a marking structure or a marking line corresponding to a scale line on the dial is arranged on the peripheral edge of the angle adjusting disc; the calibrated scale is by locating scale mark on the upper surface of base constitutes, perhaps, the calibrated scale is installed on the base.

Preferably, in order to make the rotation direction of the angle adjustment disc coincide with the actual running direction of the cutting device, the adjusting gear is in meshed connection with the driven steering gear, and the transmission gear is in meshed connection with the driving steering gear.

As preferred, enlarge in order to realize more accurate angle modulation function in order to adjust the angle modulation of gear, adjust the gear with drive gear's external diameter is the same and the number of teeth is the same, initiative steering gear with driven steering gear's external diameter is the same and the number of teeth is the same, adjust gear's external diameter and number of teeth and be less than initiative steering gear's external diameter and number of teeth.

Preferably, in order to facilitate installation of the plasma cutting torch and adjustment of a cutting radius of a circular or arc cutting process, the vertical plasma cutting torch is mounted on the base through a torch support.

Preferably, in order to adjust the distance between the lower gun head of the plasma cutting gun and the cut piece, an anchor ear is installed at one end, far away from the base, of the cutting gun support, and the plasma cutting gun is installed on the cutting gun support through the anchor ear.

Preferably, in order to realize the stable support of the base and facilitate the cutting work on the surface of the metal part more stably and reliably, the four universal rollers are respectively installed below four corners of the base, and the universal rollers are magnetic universal rollers with permanent magnets.

Preferably, in order to facilitate the supply of the driving power to the driving motor of the driving roller, a speed governor box and a power supply box for supplying the driving power to the driving motor of the driving roller are mounted on the base.

The invention has the beneficial effects that:

the invention designs the base, the universal roller, the driving steering gear, the driven steering gear, the driving roller, the driven roller, the adjusting gear and the transmission gear which are connected with each other, the constant speed and the reverse rotation of the driving steering gear and the driven steering gear can be realized by rotating the adjusting gear, so as to drive the driving roller and the driven roller to realize the constant speed and the reverse rotation, finally realize the direction control of the movement of the base and the plasma cutting gun, realize the accurate cutting of straight line, round, arc and the like with neat cutting surfaces, after the adjusting gear is accurately rotated to the position, the whole cutting device can automatically complete the plasma cutting task without depending on the experience of operators, without programming and other operations, without expensive equipment of two shafts, three shafts and the like, and complete the high-quality plasma cutting task with lower manpower and financial cost, has important practical significance and is suitable for popularization and application; the cutting device can realize the plasma cutting of the types of linear cutting, inner circle cutting, outer circle cutting, fixed circle center cutting, inner arc cutting, outer arc cutting and the like.

Drawings

FIG. 1 is a perspective view of an automatic plasma cutting apparatus according to the present invention, which is capable of achieving high quality cutting and is convenient to operate, from a top view;

FIG. 2 is a top view of the automatic plasma cutting apparatus according to the present invention, which is capable of achieving high quality cutting and is convenient to operate;

FIG. 3 is a bottom view of the automatic plasma cutting apparatus according to the present invention, which is capable of achieving high quality cutting and is convenient to operate;

fig. 4 is a second bottom view of the automatic plasma cutting apparatus capable of achieving high-quality cutting and being convenient to operate, which is different from the cutting direction of fig. 3.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 4, the automatic plasma cutting apparatus according to the present invention, which can perform high quality cutting and is convenient to operate, includes a plasma cutting torch 1, a base 4, a plurality of universal rollers 5, a driving steering gear 13, a driven steering gear 16, a driving roller 7, a driven roller 12, an adjusting gear 15, and a driving gear 14, wherein the plurality of universal rollers 5 are installed under the base 4, the transverse driving steering gear 13 and the transverse driven steering gear 16 are respectively installed under the base 4 and can rotate, the driving roller 7 with a driving motor (not shown) is fixedly installed under the driving steering gear 13, the driven roller 12 without a driving motor is fixedly installed under the driven steering gear 16, the driving roller 7, the driven roller 12 and the plurality of universal rollers 5 are located on the same virtual transverse plane, the transverse adjusting gear 15 and the transverse driving gear 14 are respectively installed under the base 4 and can rotate, the adjusting gear 15 and the transmission gear 14 are meshed with each other and are located between the driving steering gear 13 and the driven steering gear 16, the adjusting gear 15 is meshed with the driving steering gear 13 or the driven steering gear 16 (the driven steering gear 16 in the figure) at the same time, and the transmission gear 14 is meshed with the driven steering gear 16 or the driving steering gear 13 (the driving steering gear 13 in the figure) at the same time. The base 4 is a substrate in the figure, and may have other shapes and structures as required as long as the corresponding functional requirements are met.

As shown in fig. 1 to 4, the present invention further discloses a plurality of more optimized specific structures, and in practical applications, the structures may be combined with one or more specific structures to form a more optimized technical solution.

In order to facilitate the rotation adjustment operation of the adjusting gear 15, an angle adjusting disc 9 which can rotate transversely and can be fixed is installed on the upper surface of the base 4 corresponding to the adjusting gear 15, and a central shaft of the adjusting gear 15 penetrates through a corresponding through hole on the base 4 and then is fixedly connected with the angle adjusting disc 9.

In order to fix the angle adjusting disk 9 and the adjusting gear 15 conveniently, the angle adjusting disk 9 is provided with a vertical locking bolt 8, and the lower end of the locking bolt 8 can tightly push the upper surface of the base 4 to fix the angle adjusting disk 9 and the base 4.

In order to realize accurate angle control of the adjusting gear 15, a circular dial 10 (the minimum scale is 1 ° or less) is arranged at a position outside the angle adjusting disc 9 on the upper surface of the base 4, and a marking structure (a sharp corner structure in the figure, and other marking structures or marking lines can be also used) corresponding to the scale lines on the dial 10 is arranged on the peripheral edge of the angle adjusting disc 9; the scale 10 is composed of scale marks provided on the upper surface of the base 4, or the scale 10 is separately processed and mounted on the base 4.

In order to align the direction of rotation of the angle adjustment disk 9 with the actual direction of travel of the cutting device, the adjusting gear 15 is in meshing engagement with the driven steering gear 16, and the transmission gear 14 is in meshing engagement with the driving steering gear 13.

Preferably, in order to enlarge the angle adjustment of the adjustment gear 15 to achieve a more precise angle adjustment function, the adjustment gear 15 has the same outer diameter (outer diameter is 20mm in the present embodiment) and the same number of teeth (number of teeth is 25 in the present embodiment) as the transmission gear 14, the driving steering gear 13 has the same outer diameter (outer diameter is 80mm in the present embodiment) and the same number of teeth (number of teeth is 100 in the present embodiment) as the driven steering gear 16, and the outer diameter and the number of teeth of the adjustment gear 15 are smaller than the outer diameter and the number of teeth of the driving steering gear 13.

In order to facilitate the installation of the plasma cutting torch 1 and the adjustment of the cutting radius of circular or arc cutting processing, the vertical plasma cutting torch 1 is installed on the base 4 through the cutting torch bracket 3.

In order to facilitate the adjustment of the distance between the lower gun head of the plasma cutting gun 1 and the cut piece, the hoop 2 is installed at one end, far away from the base 4, of the cutting gun support 3, and the plasma cutting gun 1 is installed on the cutting gun support 3 through the hoop 2.

In order to realize the stable support of the base 4 and facilitate the more stable and reliable cutting work on the surface of the metal part, four universal rollers 5 are respectively arranged below four corners of the base 4, and the universal rollers 5 are magnetic universal rollers with permanent magnets (not separately shown in the figure).

In order to provide a driving power supply for the driving motor of the driving roller 7, a speed regulator box 11 (used for adjusting the rotating speed of the driving roller 7, namely, the cutting speed) and a power supply box 6 for providing the driving power supply for the driving motor of the driving roller 7 are installed on the base 4, the conventional components and structures in the prior art are adopted for a circuit in the speed regulator box 11, a battery in the power supply box 6 and other components, and the structure that a power line penetrates through the base 4 to be connected with the driving motor of the driving roller 7 can be easily realized by adopting a conventional adaptive structure, so that the description is omitted.

As shown in fig. 1-4, when in use, the cutting device is firstly placed on a to-be-cut piece to be cut, such as a metal plate, and the permanent magnet in the universal roller 5 is utilized to enable the cutting device to be more stably and reliably adsorbed on the to-be-cut piece, but the magnetic force is not enough to counterbalance the driving force of the driving motor of the driving roller 7, so that the driving motor of the driving roller 7 is not influenced to drive the cutting device to move; then, the angle adjusting disk 9 can realize the accurate rotation of the adjusting gear 15, the angle adjusting disk 9 is fixed through the locking bolt 8 after the angle adjusting disk 9 rotates in place, the adjusting gear 15, the transmission gear 14, the driving steering gear 13 and the driven steering gear 16 are all fixed and can not rotate, and the directions of the driving roller 7 and the driven roller 12 are fixed; and then starting a driving motor of the driving roller 7 and starting the plasma cutting gun 1, wherein the driving roller 7 rotates, the driven roller 12 and the four universal rollers 5 rotate along with the driving roller, so that the base 4 and the plasma cutting gun 1 are driven to synchronously move, the plasma cutting task of a cut piece is completed, and the moving direction is determined by the directions determined by the driving roller 7 and the driven roller 12. Specifically, if the driving roller 7 and the driven roller 12 are in the same direction and are positioned on the same straight line, the base 4 and the plasma cutting gun 1 move linearly to realize linear cutting; if the directions of the driving roller 7 and the driven roller 12 are different and the circle center of the formed arc is on the side far away from the plasma cutting gun 1, the base 4 and the plasma cutting gun 1 move in an excircle or outer arc manner to realize excircle or outer arc cutting, as shown in fig. 3; if the directions of the driving roller 7 and the driven roller 12 are different and the circle center of the formed arc is at one side close to the plasma cutting gun 1, the base 4 and the plasma cutting gun 1 move in an inner circle or an inner arc to cut the inner circle or the inner arc, as shown in fig. 4; if the directions of the driving roller 7 and the driven roller 12 are the same and are parallel to each other (not on a straight line), the base 4 and the plasma cutting gun 1 move in situ in a rotating manner, and the circle-centered cutting is realized.

The relationship between the degrees of rotation of the angle adjustment disk 9 and the cutting radius (or cutting diameter) will be described in more detail below by way of example.

As shown in fig. 1 to 4, when the outer diameters of the adjusting gear 15 and the transmission gear 14 are 20mm and the number of teeth is 25, the outer diameters of the driving steering gear 13 and the driven steering gear 16 are 80mm and the number of teeth is 100, if the rotation angle of the angle adjustment disk 9 is + a degrees (+ indicating clockwise or counterclockwise rotation), the rotation angle of the adjusting gear 15 is + a degrees, the rotation angle of the transmission gear 14 is-a degrees (-indicating counterclockwise or clockwise rotation), the rotation angle of the driven steering gear 16 is-a/4 degrees, the rotation angle of the driving steering gear 13 is + a/4 degrees, that is, the rotation angle of the driving roller 7 is + a/4 degrees, and the rotation angle of the driven roller 12 is-a/4 degrees.

The following equation is satisfied between the rotation angle a of the angle adjustment disk 9 and the cutting diameter d regardless of the rotation direction: a is 4arctan [100/(d/2-L) ], wherein, A is more than or equal to 0 and less than or equal to 360, and L is the distance between the connecting line of the central point of the driving roller 7 and the central point of the driven roller 12 and the central axis of the plasma cutting gun 1; when A is 0, the cutting device moves along a straight line, and the plasma cutting gun 1 can realize straight line cutting; when A is 360 degrees, the driving roller 7 and the driven roller 12 rotate 90 degrees, the cutting device rotates in situ, and the plasma cutting gun 1 can cut with a fixed center; when A is more than 0 and less than 360, the cutting device moves along a circle or an arc, the plasma cutting gun 1 can realize the cutting of the circle or the arc, the cutting diameter d and the corresponding rotation angle A are calculated by adopting the formula, and the inner circle or the outer circle is determined by the rotation direction of the angle adjusting disc 9.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.