CN108526668B - Plasma cutting machine with floating adjusting mechanism - Google Patents
Plasma cutting machine with floating adjusting mechanism Download PDFInfo
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- CN108526668B CN108526668B CN201810629091.3A CN201810629091A CN108526668B CN 108526668 B CN108526668 B CN 108526668B CN 201810629091 A CN201810629091 A CN 201810629091A CN 108526668 B CN108526668 B CN 108526668B
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- frame
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- plasma cutting
- cutting
- adjusting mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
Abstract
A plasma cutting machine with a floating adjusting mechanism comprises a plasma cutting trolley and the floating adjusting mechanism; a driving motor and a traveling wheel are arranged in the frame of the plasma cutting trolley, a driving gear is arranged at the output end of the driving motor, a rack is arranged on the rack, and the driving gear is in meshing transmission with the rack; lifting lugs are arranged at four corners of the bottom of the frame, and each lifting lug is provided with a swinging arm; the lower end of the swing arm at the same side is connected with the wheel carrier; a cutting gun is arranged between the two wheel carriers, rollers are arranged on two sides of the cutting gun, the cutting gun is connected with the wheel carriers, and the rollers are connected with the wheel carriers. The plasma cutting machine is simple in structure and convenient to operate, can adjust the height of the cutting gun in real time when the cutting gun cuts, changes the height according to the change of the surface of a steel plate, is high in continuity and stability, and can effectively improve the working efficiency and the cutting quality.
Description
Technical Field
The invention relates to plasma cutting equipment, in particular to a plasma cutting machine with a floating adjusting mechanism.
Background
At present, the most applied in the cutting process of the steel plate is plasma cutting equipment. The existing plasma cutting machine is of a handheld type and a mechanical type, the handheld type cutting equipment is low in working efficiency, high in labor intensity, unsafe to operate, poor in cutting quality, and especially the cutting section is not smooth, and the cutting precision of a workpiece cannot be guaranteed.
The existing mechanical plasma cutting machine has no automatic height-adjusting function: before cutting the metal plate, the distance between the cutting torch cutting nozzle and the processing surface of the metal plate must be accurately adjusted, and the cutting torch cutting nozzle is always controlled within the range of 2-3 mm of effective action distance, so that the cutting quality and the cutting precision of the plate can be effectively guaranteed. Because the metal plate surface all has the unevenness condition, the distance between plasma cutting torch and the processing face is controlled by manpower and experience, therefore the above-mentioned artificial control degree of difficulty of effective working distance is great, the continuity of continuous work is not strong, can appear cutting the defect such as the section is not level, the smooth finish is poor, therefore has influenced cutting quality and the size precision of work piece, has reduced cutting efficiency.
Although patent documents about automatic cutting height adjustment appear, for example, chinese patent "pocket-sized automatic height adjustment plasma cutting machine (201120349957.9)" discloses a plasma cutting machine capable of automatic height adjustment, when the height of the cutting machine is adjusted, a screwing structure between a lead screw and a nut still needs to be adjusted before working, and the purpose of realizing online real-time height adjustment in the cutting process cannot be achieved.
Disclosure of Invention
The invention provides a plasma cutting machine with a floating adjusting mechanism, which is simple in structure, can continuously operate and can realize real-time adjustment of the height of a cutting gun in the cutting process, aiming at the technical defects mentioned in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a plasma cutting machine with a floating adjusting mechanism comprises a plasma cutting trolley and the floating adjusting mechanism; the floating adjusting mechanism is arranged on the plasma cutting machine frame and is matched with the plasma cutting trolley for use;
the plasma cutting trolley comprises a frame, a driving motor and a traveling wheel are arranged in the frame, a driving gear is sleeved at the output end of the driving motor, a rack is arranged on the frame along the working direction of the frame, the driving gear is in meshing transmission with the rack, and the traveling wheel is matched with the frame; the plasma cutting trolley freely moves on the rack;
the floating adjusting mechanism comprises a lifting lug, a swinging arm and a roller; lifting lugs are fixedly connected to four corners of the bottom of the frame respectively, and each lifting lug is movably connected with a swing arm through a connecting piece; the lower ends of the swing arms at the same side are connected with the wheel carrier through a connecting piece; a cutting gun is arranged between the two wheel carriers, a group of idler wheels are respectively arranged on two sides of the cutting gun, the cutting gun and the wheel carriers are connected together through a connecting piece, and the idler wheels are connected with the lower parts of the wheel carriers through connecting pieces.
As a preferable scheme: the bottom of the wheel carrier is of an arc surface structure with two convex ends and a concave middle part, and the roller is arranged on the inner side of the convex position.
As a preferable scheme: the frame bottom is provided with two sets of swing arms along its direction of travel, and the upper end of every group swing arm is through first pivot swing joint, and the lower extreme of every group swing arm is connected with the wheel carrier through the second pivot.
As a preferable scheme: the roller is arranged on the lower part between the wheel frames and is connected with the wheel frames through a third rotating shaft.
As a preferable scheme: the lower edge of the roller is lower than the lower edge of the wheel frame.
As a preferable scheme: the middle part of the cutting gun is fixedly connected with the inner side wall of the wheel carrier through a connecting piece.
As a preferable scheme: the roller rolls along with the upper surface of the steel plate, the wheel frame is linked with the roller, the upper end of the wheel frame and the lower end of the swing arm swing around the second rotating shaft, and the upper end of the swing arm swings around the first rotating shaft.
Compared with the prior art, the plasma cutting machine disclosed by the invention is simple in structure and convenient to operate, can realize real-time adjustment of the height of the cutting gun while the cutting gun cuts, the height is changed according to the change of the surface of a steel plate, the continuity is strong, the stability is high, and the working efficiency and the cutting quality can be effectively improved.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a side view of the overall structure of the present invention.
In the figure: the cutting machine comprises a roller 1, a cutting gun 2, a swing arm 3, a lifting lug 4, a rack 5, a rack 6, a walking wheel 7, a driving motor 8, a frame 9, a driving gear 10, a wheel carrier 11, a first rotating shaft 12, a second rotating shaft 13 and a third rotating shaft 14.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to the attached drawings 1-2, the plasma cutting machine disclosed by the invention is suitable for cutting various plates, particularly for cutting plates with uneven surfaces, and can automatically adjust the height of a cutting gun in real time and continuously in the cutting process.
The plasma cutting machine with the floating adjusting mechanism comprises a plasma cutting trolley and the floating adjusting mechanism. The floating adjusting mechanism is arranged on the plasma cutting machine frame 5 and is matched with the plasma cutting trolley for use.
The plasma cutting trolley comprises a frame 9, a driving motor 8 and a walking wheel 7 are arranged inside the frame 9, a driving gear 10 is sleeved at the output end of the driving motor 8, a rack 6 is arranged on the frame along the working direction of the frame, and the driving gear 10 is in meshing transmission with the rack 6. The walking wheel 7 is arranged in the frame through connecting pieces such as a pin shaft and the like, the walking wheel is matched with the rack 5, and the walking wheel rolls on the rack, so that the plasma cutting trolley can freely move on the rack. The whole plasma cutting trolley is hung on the frame, and the walking wheels play a role in walking and supporting. The driving gear is meshed with the rack to rotate under the driving of the driving motor, so that the whole vehicle frame is driven to move, and the walking wheels assist in moving.
The floating adjusting mechanism comprises a lifting lug 4, a swing arm 3 and a roller 1. Lifting lugs 4 are fixedly connected to four corners of the bottom of the frame respectively, and each lifting lug is movably connected with a swing arm 3 through a connecting piece; the lower ends of the swing arms at the same side are connected with the wheel carrier 11 through connecting pieces; a cutting gun 2 is arranged between the two wheel carriers 11, a group of idler wheels 1 are respectively arranged on two sides of the cutting gun, the cutting gun and the wheel carriers are connected together through a connecting piece, and the idler wheels are connected with the lower parts of the wheel carriers through connecting pieces. The bottom of the frame is provided with two groups of swing arms along the advancing direction, as shown in figure 1, the cutting gun is respectively provided with a left group and a right group, the upper end of each group of swing arms is movably connected through a first rotating shaft 12, and the lower end of each group of swing arms is connected with the upper part of the wheel carrier 11 through a second rotating shaft 13. The roller is arranged on the lower part between the two wheel frames and is connected with the wheel frames through a third rotating shaft. The bottom of the wheel frame is of an arc-shaped structure with two convex ends and a concave middle part, and as shown in the attached drawing 1, the roller is arranged on the inner side of the convex position.
Two groups of swing arms are arranged below the frame, two groups are arranged on the left side and the right side of the cutting gun shown in the attached drawing 1, the lower ends of the swing arms are movably connected with the upper parts of the wheel carriers through second rotating shafts, the front and the back of the cutting gun are respectively provided with the wheel carriers shown in the attached drawing 2, and the lower ends of the wheel carriers are connected with the idler wheels through third rotating shafts. The swing arm is movably connected with the front part of the lifting lug in a free swinging mode, the swing arm is movably connected with the wheel carrier in a free swinging mode, the wheel carrier is connected with the roller through a third rotating shaft, the roller can freely rotate on the third rotating shaft, but the position relation between the roller and the wheel carrier cannot be displaced.
Preferably, the lower edge of the roller is lower than the lower edge of the wheel frame. The height difference between the two is 1-2 cm.
As a preferable scheme: the middle part of the cutting gun is fixedly connected with the inner side wall of the wheel carrier through connecting pieces such as bolts.
As a preferable scheme: the roller rolls along with the upper surface of the steel plate, the wheel carrier is linked with the roller, the upper end of the wheel carrier and the lower end of the swing arm swing around the second rotating shaft, and the upper end of the swing arm swings around the first rotating shaft.
When the plasma cutting trolley advances and cuts along a fixed direction, the roller rolls and advances on the surface of a cut steel plate, when the surface of the cut steel plate is uneven, the roller drives the wheel carrier to move up and down, because the wheel carrier drives the swing arm to swing in the advancing process, the swing arm and the vertical direction generate an included angle alpha, the included angle alpha is automatically adjusted along with the advancing of the roller on the surface of the steel plate, and therefore a cutting gun is always perpendicular to the upper surface of the cut steel plate and keeps the vertical distance from the surface of the steel plate unchanged.
Claims (4)
1. A plasma cutting machine with a floating adjusting mechanism comprises a plasma cutting trolley and the floating adjusting mechanism; the floating adjusting mechanism is arranged on the plasma cutting machine frame and is matched with the plasma cutting trolley for use;
the plasma cutting trolley comprises a frame, a driving motor and a traveling wheel are arranged in the frame, a driving gear is sleeved at the output end of the driving motor, a rack is arranged on the frame along the working direction of the frame, the driving gear is in meshing transmission with the rack, and the traveling wheel is matched with the frame; the plasma cutting trolley freely moves on the rack;
the method is characterized in that:
the floating adjusting mechanism comprises a lifting lug, a swinging arm and a roller; lifting lugs are fixedly connected to four corners of the bottom of the frame respectively, and each lifting lug is movably connected with a swing arm through a connecting piece; the lower ends of the swing arms at the same side are connected with the wheel carrier through a connecting piece; a cutting gun is arranged between the two wheel carriers, a group of idler wheels are respectively arranged on two sides of the cutting gun, the cutting gun and the wheel carriers are connected together through a connecting piece, and the idler wheels are connected with the lower parts of the wheel carriers through the connecting piece;
the bottom of the frame is provided with two groups of swing arms along the advancing direction of the frame, the upper end of each group of swing arms is movably connected through a first rotating shaft, and the lower end of each group of swing arms is connected with the wheel carrier through a second rotating shaft;
the roller rolls along with the upper surface of the steel plate, the wheel frame is linked with the roller, the upper end of the wheel frame and the lower end of the swing arm swing around the second rotating shaft, and the upper end of the swing arm swings around the first rotating shaft.
2. The plasma cutting machine with a floating adjustment mechanism of claim 1, wherein the roller is disposed at a lower portion between the wheel frames and connected to the wheel frames through a third rotation shaft.
3. The plasma cutting machine with a floating adjustment mechanism according to claim 1, wherein a lower edge of the roller is lower than a lower edge of the wheel frame.
4. The plasma cutting machine with the floating adjusting mechanism according to claim 1, wherein the middle part of the cutting torch is fixedly connected with the inner side wall of the wheel carrier through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629091.3A CN108526668B (en) | 2018-06-19 | 2018-06-19 | Plasma cutting machine with floating adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810629091.3A CN108526668B (en) | 2018-06-19 | 2018-06-19 | Plasma cutting machine with floating adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108526668A CN108526668A (en) | 2018-09-14 |
| CN108526668B true CN108526668B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810629091.3A Active CN108526668B (en) | 2018-06-19 | 2018-06-19 | Plasma cutting machine with floating adjusting mechanism |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052040A (en) * | 1976-06-30 | 1977-10-04 | Ralph Ogden | Cutting torch and guide assembly |
| US4333636A (en) * | 1980-12-10 | 1982-06-08 | Bethlehem Steel Corporation | Cutting-torch holder |
| CN2930940Y (en) * | 2006-04-07 | 2007-08-08 | 广州广船国际股份有限公司 | Floating control device for flame gun |
| CN201023174Y (en) * | 2007-02-16 | 2008-02-20 | 江西铜业集团公司 | Semi-automatic cutting machine for adjusting bicycle cutting nozzle height |
| CN102179623B (en) * | 2011-04-28 | 2013-09-18 | 武汉工研光学科学技术有限责任公司 | Z axis elastic distance servo system used for laser processing |
| CN102909468A (en) * | 2012-11-13 | 2013-02-06 | 陈文� | Anti-collision device for gantry base of plasma cutting machine |
| CN203062046U (en) * | 2013-02-01 | 2013-07-17 | 江南造船(集团)有限责任公司 | Automatic adjustment mechanism for cutting knife of semi-automatic cutting machine |
| CN106238985B (en) * | 2016-08-12 | 2017-12-05 | 合肥江航飞机装备有限公司 | A kind of welding tooling of auxiliary tank of aircraft casing annular weld seam |
| CN107931778A (en) * | 2017-12-01 | 2018-04-20 | 上海振华重工(集团)股份有限公司 | A kind of cutter device for the preceding both sides groove of outfield general assembly steel plate splicing |
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2018
- 2018-06-19 CN CN201810629091.3A patent/CN108526668B/en active Active
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| CN108526668A (en) | 2018-09-14 |
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