CN210648975U - Plasma cutting device - Google Patents

Plasma cutting device Download PDF

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Publication number
CN210648975U
CN210648975U CN201921010147.3U CN201921010147U CN210648975U CN 210648975 U CN210648975 U CN 210648975U CN 201921010147 U CN201921010147 U CN 201921010147U CN 210648975 U CN210648975 U CN 210648975U
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China
Prior art keywords
driven
plasma cutting
assembly
driven assembly
driving
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Active
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CN201921010147.3U
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Chinese (zh)
Inventor
曾景华
蔡怡睿
张永健
赵康
张梦迪
郭鸿翔
张玉舒
黄辉明
秦玉红
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Xiamen University
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Xiamen University
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Abstract

The utility model relates to a plasma cutting device, which comprises a supporting frame, wherein a driving component, a driven component and a driven component are arranged on the supporting frame; the driving assembly drives the driven assembly to synchronously rotate, and the bottom of the driven assembly is provided with a plasma cutting head; the driving assembly drives the driven assembly to rotate intermittently, a rope is arranged on the driven assembly, and the rope penetrates through the driven assembly and then is connected to the top of the plasma cutting head. The device cuts the intersecting line of the tubular object through a pure mechanical structure. Simple structure does not need the complicated manual operation of original digit control machine tool to the stable performance, the motion of cutting head is easily controlled, and the lower maintenance of cost is simple.

Description

Plasma cutting device
Technical Field
The utility model belongs to the technical field of the cutting equipment and specifically relates to a plasma cutting device is related to.
Background
The existing plasma cutting operation instrument for tubular objects is generally a numerical control machine tool, metal cutting is carried out by matching with different working gases, the plasma cutting system mainly comprises a gas supply device, a water supply device, a power supply, a cutting gun and the like, the structure and the operation are very complicated, the machine tool is high in cost, and the maintenance is difficult. The applicability is considerably limited.
Chinese document CN 108436240A discloses a pipeline intersecting line plasma cutting device, which comprises a chassis, a plasma cutting assembly, a pipe rotating platform and a thin-wall pipe; the plasma cutting component comprises a base, a fixed shaft, a fixed sleeve, a sliding sleeve, a knob, an adjusting wheel, a gear, a ring nut, a plasma cutting gun and the like; not only the equipment structure is complicated, also very loaded down with trivial details in the operation, no matter is manufacturing cost, use, maintenance all very inconvenient.
Disclosure of Invention
In view of the above, there is a need for a plasma cutting apparatus with simple structure and purely mechanical type.
In order to solve the technical problem, the technical scheme of the utility model is that: a plasma cutting device comprises a support frame, wherein a driving assembly, a driven assembly and a driven assembly are arranged on the support frame;
the driving assembly drives the driven assembly to synchronously rotate, and the bottom of the driven assembly is provided with a plasma cutting head;
the driving assembly drives the driven assembly to rotate intermittently, the rope is arranged on the driven assembly, the rope penetrates through the driven assembly and then is connected to the top of the plasma cutting head, so that when the driving assembly drives the driven assembly to rotate, the driven assembly lifts through the rope to pull the plasma cutting head, and when the driving assembly is separated from the driven assembly, the plasma cutting head descends under the action of gravity and drives the driven assembly to reset through the rope.
Furthermore, the driving assembly comprises a driving shaft hinged on the supporting frame, and a first transmission mechanism for driving the driven assembly to synchronously rotate and a second transmission mechanism for driving the driven assembly to intermittently rotate are arranged on the driving shaft.
Furthermore, the driven assembly comprises a driven shaft hinged to the support frame, a swing rod is arranged on the driven shaft, a first sliding block moving along the swing rod is arranged on the swing rod, and the rope is connected to the first sliding block.
Furthermore, the driven assembly comprises a driven pipe hinged to the support frame, a transverse pipe communicated with the driven pipe is arranged at the bottom of the driven pipe, a second sliding block moving along the transverse pipe is arranged on the transverse pipe, an axial strip seam is arranged at the bottom of the transverse pipe, a counter bore for accommodating a plasma cutting head is arranged at the bottom of the second sliding block, and the counter bore is communicated with the strip seam so that a rope sequentially penetrates through the counter bores of the driven pipe, the transverse pipe and the second sliding block.
Further, the first transmission mechanism is a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
Further, the second transmission mechanism comprises an incomplete gear arranged on the driving shaft and a gear arranged on the driven assembly and meshed with the incomplete gear.
Furthermore, the support frame comprises an upper support and a lower support, the lower support is rotatably mounted on a base, and the upper support is arranged on the lower support in a lifting manner.
Furthermore, a plurality of teeth are arranged on two opposite outer side walls of the incomplete gear so as to divide the incomplete gear into four equal parts.
Further, a handle for rotating the driving shaft is arranged at the upper part of the driving shaft.
Further, the base is a pipeline clamping mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has: the device changes the movement direction of the cutting head through a pure mechanical structure and mechanism combination application, thereby realizing the cutting of the tubular object, and the key point is the cutting of the intersecting line of the tubular object. Simple structure does not need the complicated manual operation of original digit control machine tool to the stable performance, the motion of cutting head is easily controlled, and the lower maintenance of cost is simple.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a front view of the embodiment of the present invention.
Fig. 2 is a schematic side view of the structure of the embodiment of the present invention.
3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 31 3. 3
Fig. 4 is a schematic diagram illustrating calculation of the rope lifting height according to an embodiment of the present invention.
In the figure: 1-base, 2-support frame, 21-lower support frame, 22-upper support frame, 23-first bolt, 24-bolt-nut component, 3-drive shaft, 31-incomplete gear, 32-handle, 4-driven shaft, 41-gear, 5-oscillating bar, 51-first slide block, 52-locking bolt on the first slide block, 53-adjusting screw, 6-rope, 7-belt transmission mechanism, 8-driven tube, 81-transverse tube, 82-second slide block, 83-locking bolt on the second slide block, and 9-plasma cutting head.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 3, a plasma cutting apparatus includes a support frame 2, the support frame includes an upper frame 22 and a lower frame 21, and a driving assembly, a driven assembly and a driven assembly are disposed on the upper frame.
The driving assembly comprises a driving shaft 3 hinged to the upper support, and a first transmission mechanism for driving the driven assembly to synchronously rotate and a second transmission mechanism for driving the driven assembly to intermittently rotate are arranged on the driving shaft.
The driven assembly comprises a driven shaft 4 hinged to the upper support, a swing rod 5 is arranged on the driven shaft, a first sliding block 51 moving along the swing rod is arranged on the swing rod, the first sliding block is connected with a rope 6 through an adjusting screw 53, and a locking bolt 52 is further arranged on the first sliding block so as to fix the first sliding block on the swing rod.
The driven assembly comprises a driven pipe 8 hinged to the upper support, a transverse pipe 81 communicated with the driven pipe is arranged at the bottom of the driven pipe, a second sliding block 82 moving along the transverse pipe is arranged on the transverse pipe, an axial strip seam is arranged at the bottom of the transverse pipe, the width of the strip seam is larger than the outer diameter of a rope, a counter bore for accommodating the plasma cutting head 9 is arranged at the bottom of the second sliding block, and the counter bore is communicated with the strip seam so that the rope sequentially penetrates through the counter bores of the driven pipe, the transverse pipe and the second sliding block and then is connected to the top of the plasma cutting head. When the driven assembly of drive assembly drive rotated, passive subassembly passed through the rope pulling plasma cutting head and rises, and when drive assembly and passive subassembly break away from the contact, the plasma cutting head descended under the effect of gravity and drove passive subassembly through the rope and reset.
In this embodiment, the counter bore is provided with spacing guide slot on square counter bore or the inside wall, takes place to deflect when avoiding the cutting head to do elevating movement along the counter bore axial. Meanwhile, the upper part of the cutting head does not depart from the counter bore when the cutting head is lifted.
In this embodiment, the second slider is also provided with a locking bolt 83 to secure the second slider to the cross bar.
In this embodiment, the first transmission mechanism is a belt transmission mechanism 7,
in this embodiment, the second transmission mechanism comprises an incomplete gear 31 provided on the drive shaft, a gear 41 provided on the driven member to mesh with the incomplete gear, and a plurality of teeth provided on opposite outer side walls of the incomplete gear to quarter the incomplete gear.
In this embodiment, the drive shaft is provided at an upper portion thereof with a handle 32 for rotating the drive shaft.
In this embodiment, the lower bracket is rotatably mounted on a base 1, and the upper bracket is arranged on the lower bracket in a lifting manner.
In this embodiment, the base 1 is a pipe clamping mechanism. Comprises an upper clamping seat and a lower clamping seat which are provided with arc-shaped clamping grooves.
In this embodiment, the lower bracket is screwed on the top of the upper clamping seat through a first bolt 23, the upper part of the lower bracket is provided with a vertical groove, and the lower part of the upper bracket is provided with a bolt and nut assembly 24 penetrating through the vertical groove, so that the upper bracket is locked on the lower bracket after the height of the upper bracket is adjusted.
When the upper bracket and the pipeline are coaxial, the lower bracket is used for cutting the ring shape of the right upper part of the pipeline, and the lower bracket rotates for a certain angle and is used for cutting the intersecting line shape of the side wall of the pipeline.
In this embodiment, all be provided with the scale on horizontal pole and the pendulum rod, the scale on the horizontal pole is convenient for adjust the radius of rotation of cutting head on the XY plane, and the scale on the pendulum rod is convenient for adjust the lift distance of cutting head in the Z axle direction.
The upper portion of the pipeline is cut for example, when the pipeline cutting device is used, the pipeline is fastened on the pipeline clamping mechanism, the height of the upper support, the rotating angle of the lower support and the positions of the first sliding block and the second sliding block are adjusted according to the outer diameter of the pipeline and the intersecting line to be cut, and the pipeline cutting device is locked and fixed. The handle is rotated, and the handle drives the drive shaft and rotates, and driven pipe rotates along with the drive shaft is synchronous to drive the cutting head and do the rotation of plane circumference, when the epaxial gear of driven was stirred by the epaxial incomplete gear of drive, through pendulum rod pulling rope, thereby mentions the cutting head, and when the incomplete gear tooth breaks away from the gear, the cutting head whereabouts under the action of gravity drives driven axle through the rope and resets, thereby accomplishes a complete annular cutting to the pipeline.
As shown in FIG. 4, when the driving shaft rotates 1/4 of a turn, the driven shaft and the cutting head also rotate 1/4 of a turn, and the z-axis movement of the cutting head is from the topmost (lower) end to the bottommost (top) end of the intersection line, i.e. the height distance the rope is pulled. Through the regulation of first slider, second slider, the cutting to different diameter holes is realized.
The rising distanceThe formula is h ═ c-b ═ a2+(a+b)2]1/2-b;
Wherein h is the height distance of the rope; a is the distance from the driven shaft to the end of the rope on the first sliding block, b is the distance from the end of the rope on the first sliding block to the driven pipe, and c is the distance from the driven pipeline to the end of the rope on the first sliding block after the driven shaft rotates 90 degrees.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (10)

1. A plasma cutting device, characterized in that: the device comprises a support frame, wherein a driving assembly, a driven assembly and a driven assembly are arranged on the support frame;
the driving assembly drives the driven assembly to synchronously rotate, and the bottom of the driven assembly is provided with a plasma cutting head;
the driving assembly drives the driven assembly to rotate intermittently, the rope is arranged on the driven assembly, the rope penetrates through the driven assembly and then is connected to the top of the plasma cutting head, so that when the driving assembly drives the driven assembly to rotate, the driven assembly lifts through the rope to pull the plasma cutting head, and when the driving assembly is separated from the driven assembly, the plasma cutting head descends under the action of gravity and drives the driven assembly to reset through the rope.
2. The plasma cutting apparatus according to claim 1, wherein: the driving assembly comprises a driving shaft hinged on the supporting frame, and a first transmission mechanism for driving the driven assembly to synchronously rotate and a second transmission mechanism for driving the driven assembly to intermittently rotate are arranged on the driving shaft.
3. The plasma cutting apparatus according to claim 1, wherein: the driven assembly comprises a driven shaft hinged to the support frame, a swing rod is arranged on the driven shaft, a first sliding block moving along the swing rod is arranged on the swing rod, and the rope is connected to the first sliding block.
4. The plasma cutting apparatus according to claim 1, wherein: the driven assembly comprises a driven pipe hinged to the support frame, a transverse pipe communicated with the driven pipe is arranged at the bottom of the driven pipe, a second sliding block moving along the transverse pipe is arranged on the transverse pipe, an axial strip seam is arranged at the bottom of the transverse pipe, a counter bore for accommodating the plasma cutting head is arranged at the bottom of the second sliding block, and the counter bore is communicated with the strip seam so that a rope sequentially penetrates through the counter bores of the driven pipe, the transverse pipe and the second sliding block.
5. The plasma cutting apparatus according to claim 2, wherein: the first transmission mechanism is a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
6. The plasma cutting apparatus according to claim 2, wherein: the second transmission mechanism comprises an incomplete gear arranged on the driving shaft and a gear arranged on the driven component and meshed with the incomplete gear.
7. The plasma cutting apparatus according to any one of claims 1 to 6, wherein: the support frame comprises an upper support and a lower support, the lower support is rotatably arranged on a base, and the upper support is arranged on the lower support in a lifting mode.
8. The plasma cutting apparatus according to claim 6, wherein: and a plurality of teeth are arranged on two opposite outer side walls of the incomplete gear so as to divide the incomplete gear into four equal parts.
9. The plasma cutting apparatus according to claim 2, wherein: and a handle for rotating the driving shaft is arranged at the upper part of the driving shaft.
10. The plasma cutting apparatus according to claim 7, wherein: the base is a pipeline clamping mechanism.
CN201921010147.3U 2019-07-01 2019-07-01 Plasma cutting device Active CN210648975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921010147.3U CN210648975U (en) 2019-07-01 2019-07-01 Plasma cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921010147.3U CN210648975U (en) 2019-07-01 2019-07-01 Plasma cutting device

Publications (1)

Publication Number Publication Date
CN210648975U true CN210648975U (en) 2020-06-02

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ID=70811665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921010147.3U Active CN210648975U (en) 2019-07-01 2019-07-01 Plasma cutting device

Country Status (1)

Country Link
CN (1) CN210648975U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181155A (en) * 2019-07-01 2019-08-30 厦门大学 Plasma cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110181155A (en) * 2019-07-01 2019-08-30 厦门大学 Plasma cutter

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