CN102225489B - Plasma cutting torch protection and collision detection device of numerically controlled plasma cutting machine - Google Patents
Plasma cutting torch protection and collision detection device of numerically controlled plasma cutting machine Download PDFInfo
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- CN102225489B CN102225489B CN 201110149182 CN201110149182A CN102225489B CN 102225489 B CN102225489 B CN 102225489B CN 201110149182 CN201110149182 CN 201110149182 CN 201110149182 A CN201110149182 A CN 201110149182A CN 102225489 B CN102225489 B CN 102225489B
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- plasma cutting
- cutting torch
- plate
- mount pad
- base plate
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Abstract
The invention discloses a plasma cutting torch protection and collision detection device of a numerically controlled plasma cutting machine. A positioning plate is mounted on the base plate of the device. A plasma cutting torch mounting base is mounted in the through holes of the base plate and the positioning plate. The upper surface of the positioning plate is provided with a conductive layer, and three pairs of evenly distributed steel balls which are in contact with the conductive layer are mounted on the positioning plate. Three evenly distributed metal pins are mounted on a plasma cutting torque mounting base, and the metal pins are in contact with the steel balls respectively. The bottom of the plasma cutting torque mounting base is provided with a flange, and three springs are evenly distributed between the flange and the base plate. A plasma cutting torch is mounted in the mounting hole of the plasma cutting torch mounting base. One end of a wiring terminal is connected to a numerical control system, while the other end of the wiring terminal is connected to the conductive layer. The device provided by the invention is capable of preventing the plasma cutting torque from being collided and damaged while cutting a metal; under support of the numerical control system, the system is used for measuring the distance between the plasma cutting torque and a steel plate at the beginning of cutting, so that the cutting height is automatically set, and the production efficiency and the cutting quality are improved.
Description
Technical field
The present invention relates to a kind of plasma cutting torch protection and collision detecting device of numerical control plasma cutting machine.
Background technology
Numerical control plasma cutting machine is in cutting process, and the ion cutting torch is at three-dimensional space motion, and the ion cutting torch will keep accurate location, could preserve value cutting accuracy in claimed range.If ion cutting torch height is out of control or the cutting material distortion, crash, all may cause the damage of ion cutting torch and workpiece to be scrapped.
For timely position with the ion cutting torch can reset, usually adopt digital control system to receive the signal that approach switch returns, in case approach switch is triggered, digital control system can stop cutting and reporting an error.But in the real process process, sensing station and ion cutting torch front position have segment distance, the precision of sensor is also limited, height can not Accurate Measurement, time-delay when stopping, digital control system is also arranged, the ion cutting torch still can be impacted, and can not guarantee what the ion cutting torch did not damage, can not guarantee ion cutting torch parking position accuracy.
In like manner, when beginning to cut, the ion cutting torch need to be parked in the precise height of material and carry out starting the arc perforation, then begin cutting, common way is that digital control system is controlled ion cutting torch slow decreasing, until proximity transducer sends signal, the indication ion cutting torch has just been encountered workpiece, then returns to setting height starting the arc perforation.Sensor position and ion cutting torch front position have segment distance, and the precision of sensor is also limited, can not Accurate Measurement and the collision height point of material and ion cutting torch, can not guarantee the quality of boring a hole.
Summary of the invention
The purpose of this invention is to provide a kind of utilization machinery and electrical equipment control combination principle in time protects the ion cutting torch; and can parking position accuracy, can protect and collision detecting device with the plasma cutting torch of the height of material impacts point by Accurate Measurement ion cutting torch simultaneously.
In order to address the above problem, the present invention takes following technical scheme:
Plasma cutting torch protection and the collision detecting device of a kind of numerical control plasma cutting machine provided by the invention are installed location-plate 2 on the base plate 1 of device, plasma cutting torch mount pad 5 is arranged in the through hole of base plate 1 and location-plate 2; Location-plate 2 upper surfaces are conductive layers 6, and three pairs of uniform steel balls 3 are installed on location-plate 2, and steel ball 3 contacts with conductive layer 6; 4, three metallic pins 4 of three uniform metallic pins are installed on plasma cutting torch mount pad 5 to be contacted with three pairs of steel balls 3 respectively; Plasma cutting torch mount pad 5 bottoms are flanges 9, and three springs 8 of uniform installation between flange 9 and base plate 1 keep in touch metallic pin 4 and steel ball 3; Have the installing hole of plasma cutting torch 7 in the middle of plasma cutting torch mount pad 5, plasma cutting torch 7 is arranged in the installing hole of plasma cutting torch mount pad 5; Binding post 10 1 ends are connected to digital control system, and the other end is connected to conductive layer 6.
The lower surface of above-mentioned base plate 1 has three uniform counterbores, and spring 8 is housed in counterbore, and spring 8 one ends withstand base plate 1, and the other end withstands the flange 9 of plasma cutting torch mount pad 5 bottoms.
Described location-plate 2 is by the plastic production of insulation.
Described plasma cutting torch mount pad 5 is by the plastic production of insulation.
Adopt such scheme, have following beneficial effect:
Can be found out by technique scheme, characteristics of the present invention comprise base plate, are fixed with location-plate on base plate, and location-plate has plasma cutting torch mount pad hole by the plastic production of insulation on base plate and location-plate.Conductive layer on location-plate is fixed with 6 steel balls on location-plate, steel ball contacts with conductive layer on base plate.The plasma cutting torch mount pad by the insulation plastic production, on three uniform metallic pins are installed, three metallic pins contact with 3 pairs of steel balls respectively.Location-plate conductive layer, steel ball, metallic pin consist of the galvanic circle, come in contact under normal circumstances conduction.When the ion cutting torch is collided, three strong points are subjected to force unbalance, and wherein a metallic pin is moved, and disengages steel ball, and losing efficacy in the galvanic circle, sends signal to digital control system, stops current action, prevents further infringement.Flange is arranged at plasma cutting torch mount pad bottom, 3 counterbores are arranged on base plate, spring is housed in counterbore, base plate is lived on spring one crown, the flange of plasma cutting torch mount pad bottom is withstood in the other end, three metallic pins, and steel ball plays the effect of location simultaneously, spring can make it keep in touch, and can guarantee that ion cutting torch holder is not moved.Have the plasma cutting torch installing hole in the middle of the plasma cutting torch mount pad, plasma cutting torch is installed in the installing hole of plasma cutting torch mount pad.When carrying out starting the arc perforation, when the ion cutting torch slowly moves down, come in contact with workpiece, the plasma cutting torch mount pad is subjected to force unbalance that metallic pin is moved, and can not consist of the galvanic circle, and digital control system obtains this signal, makes shut-down operation.Owing to being that ion cutting torch itself contacts with workpiece; be not that approach switch is measured; the shortcoming that there is no approach switch; digital control system is energy Accurate Determining contact point just; simultaneously to be subject to spring fixing for the ion cutting torch, and very large elasticity is arranged, can automatic deviation after being collided; protection ion cutting torch is not damaged, and the ion cutting torch can automatically reset after disengaging workpiece.
Description of drawings
Fig. 1～3rd, plasma cutting torch protection of the present invention and collision detecting device structural representation.
Fig. 4～5th, digital control system of the present invention galvanic circle schematic diagram.
The specific embodiment
In order to further illustrate the present invention, enumerate following examples, but do not limit the scope of the invention, below in conjunction with accompanying drawing 1-3, the specific embodiment of the invention is described:
Plasma cutting torch protection of the present invention and collision detecting device are installed location-plate 2 on the base plate 1 of device, plasma cutting torch mount pad 5 is arranged in the through hole of base plate 1 and location-plate 2; Location-plate 2 upper surfaces are conductive layers 6, and three pairs of uniform steel balls 3 are installed on location-plate 2, and steel ball 3 contacts with conductive layer 6; 4, three metallic pins 4 of three uniform metallic pins are installed on plasma cutting torch mount pad 5 to be contacted with three pairs of steel balls 3 respectively; Plasma cutting torch mount pad 5 bottoms are flanges 9, and three springs 8 of uniform installation between flange 9 and base plate 1 keep in touch metallic pin 4 and steel ball 3; Have the installing hole of plasma cutting torch 7 in the middle of plasma cutting torch mount pad 5, plasma cutting torch 7 is arranged in the installing hole of plasma cutting torch mount pad 5; Binding post 10 1 ends are connected to digital control system, and the other end is connected to conductive layer 6.The lower surface of above-mentioned base plate 1 has three uniform counterbores, and spring 8 is housed in counterbore, and spring 8 one ends withstand base plate 1, and the other end withstands the flange 9 of plasma cutting torch mount pad 5 bottoms.Described location-plate 2 is by the plastic production of insulation.Described plasma cutting torch mount pad 5 is by the plastic production of insulation.
Claims (4)
1. the plasma cutting torch of a numerical control plasma cutting machine is protected and collision detecting device, it is characterized in that: the upper location-plate (2) of installing of the base plate of this device (1), plasma cutting torch mount pad (5) is arranged in the through hole of base plate (1) and location-plate (2); Location-plate (2) upper surface is conductive layer (6), the upper three pairs of uniform steel balls (3) of installing of location-plate (2), and steel ball (3) contacts with conductive layer (6); Upper three the uniform metallic pins (4) of installing of plasma cutting torch mount pad (5), three metallic pins (4) contact with three pairs of steel balls (3) respectively; Plasma cutting torch mount pad (5) bottom is flange (9), three springs of uniform installation (8) between flange (9) and base plate (1); Have the installing hole of plasma cutting torch (7) in the middle of plasma cutting torch mount pad (5), plasma cutting torch (7) is arranged in the installing hole of plasma cutting torch mount pad (5); Binding post (10) one ends connect digital control system, other end connecting conductive layer (6).
2. plasma cutting torch as claimed in claim 1 is protected and collision detecting device; it is characterized in that: the lower surface of above-mentioned base plate (1) has three uniform counterbores; spring (8) is housed in counterbore; spring (8) one ends withstand base plate (1), and the other end withstands the flange (9) of plasma cutting torch mount pad (5) bottom.
3. plasma cutting torch as claimed in claim 1 is protected and collision detecting device, it is characterized in that: described location-plate (2) is by the plastic production of insulation.
4. plasma cutting torch as claimed in claim 1 is protected and collision detecting device, it is characterized in that: described plasma cutting torch mount pad (5) is by the plastic production of insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110149182 CN102225489B (en) | 2011-06-03 | 2011-06-03 | Plasma cutting torch protection and collision detection device of numerically controlled plasma cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110149182 CN102225489B (en) | 2011-06-03 | 2011-06-03 | Plasma cutting torch protection and collision detection device of numerically controlled plasma cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102225489A CN102225489A (en) | 2011-10-26 |
| CN102225489B true CN102225489B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110149182 Expired - Fee Related CN102225489B (en) | 2011-06-03 | 2011-06-03 | Plasma cutting torch protection and collision detection device of numerically controlled plasma cutting machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500488A (en) * | 2018-05-22 | 2018-09-07 | 安徽斯塔克机器人有限公司 | A kind of laser anti-collision cutting head |
| CN108465949A (en) * | 2018-05-22 | 2018-08-31 | 安徽斯塔克机器人有限公司 | A kind of laser special purpose robot and its robotic arm |
| CN109332949A (en) * | 2018-10-31 | 2019-02-15 | 上海江南长兴造船有限责任公司 | A kind of shipbuilding numerical control plasma cutting machine cutting main body protection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338126Y (en) * | 1998-05-29 | 1999-09-15 | 梅塞尔切割焊接有限公司(昆山) | Apparatus for protecting cutting torch of plasma cutting machine |
| CN101134261A (en) * | 2007-09-30 | 2008-03-05 | 无锡市风华焊接设备有限公司 | Plasma cutting gun displacement colliding-proof device |
| CN201201131Y (en) * | 2008-05-10 | 2009-03-04 | 无锡华联科技集团有限公司 | Cutting torch collision protector of steel pipe plasma cutting machine |
| CN201264146Y (en) * | 2008-10-16 | 2009-07-01 | 北京林克曼数控技术股份有限公司 | Cutting torch anticollision device |
| CN101850466A (en) * | 2009-04-03 | 2010-10-06 | 苏州威达焊割科技有限公司 | Numerical control plasma torch cutting anti-collision device |
| CN202143995U (en) * | 2011-06-03 | 2012-02-15 | 广东工业大学 | Plasma cutting torch protecting and collision detecting device |
-
2011
- 2011-06-03 CN CN 201110149182 patent/CN102225489B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338126Y (en) * | 1998-05-29 | 1999-09-15 | 梅塞尔切割焊接有限公司(昆山) | Apparatus for protecting cutting torch of plasma cutting machine |
| CN101134261A (en) * | 2007-09-30 | 2008-03-05 | 无锡市风华焊接设备有限公司 | Plasma cutting gun displacement colliding-proof device |
| CN201201131Y (en) * | 2008-05-10 | 2009-03-04 | 无锡华联科技集团有限公司 | Cutting torch collision protector of steel pipe plasma cutting machine |
| CN201264146Y (en) * | 2008-10-16 | 2009-07-01 | 北京林克曼数控技术股份有限公司 | Cutting torch anticollision device |
| CN101850466A (en) * | 2009-04-03 | 2010-10-06 | 苏州威达焊割科技有限公司 | Numerical control plasma torch cutting anti-collision device |
| CN202143995U (en) * | 2011-06-03 | 2012-02-15 | 广东工业大学 | Plasma cutting torch protecting and collision detecting device |
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