CN102350580A - Pocket type automatic height-regulating plasma cutting machine - Google Patents
Pocket type automatic height-regulating plasma cutting machine Download PDFInfo
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- CN102350580A CN102350580A CN201110281096XA CN201110281096A CN102350580A CN 102350580 A CN102350580 A CN 102350580A CN 201110281096X A CN201110281096X A CN 201110281096XA CN 201110281096 A CN201110281096 A CN 201110281096A CN 102350580 A CN102350580 A CN 102350580A
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Abstract
The invention discloses a pocket type automatic height-regulating plasma cutting machine, which comprises a moving mechanism, a cutting mechanism and a micro automatic height regulator, wherein a trolley in the moving mechanism can do reciprocating linear motion along a pair of guide rails during a cutting process, by virtue of a pair of wheels and a pair of steering wheels at the bottom of the trolley; an electric equipment control part, a motor and a reduction gearbox are mounted on the trolley; a cutting torch regulating mechanism is mounted on one side at the top of the trolley; the micro automatic height regulator is mounted on a tubular rack in the cutting torch regulating mechanism; and a plasma cutting torch is mounted at the lowest end of a moving rod in the micro automatic height regulator through a cutting torch holder. The pocket type automatic height-regulating plasma cutting machine can be used for performing mechanical operation and continuous operation, realizing linear cutting and multi-angle groove cutting, automatically regulating the height of the cutting torch according to an unevenness degree of a metal panel during the cutting process, and controlling a distance from a cutting torque nozzle and the metal panel to be within an effective operating distance scope all the time, thereby ensuring cutting quality and cutting precision and improving working efficiency.
Description
Technical field
The present invention relates to the Metal Cutting equipment technical field, specifically relate to a kind of pocket CUT of heightening automatically that adopts the plasma arc cutting sheet metal.
Background technology
At present, be used for that the cutting of sheet metal is had only hand-held CUT, it exists deficiency to be:
(1) adopt handwork, inefficiency, labour intensity is big, operates dangerously, and cut quality is poor, and especially cutting section is unsmooth, can not guarantee the cutting accuracy of workpiece.
(2) nothing is heightened function automatically: before the cutting metal plate; Distance between essential accurately adjustment Cutting nozzle for cutting torch and the metallic plate machined surface; And it is controlled in EFFECTIVE RANGE 2～3mm scope all the time, could guarantee the cut quality and the cutting accuracy of sheet material so effectively.Because all there is uneven situation on the sheet metal surface; Distance is fully through artificial and control by rule of thumb between plasma cutting-torch and the processing boards face; Thereby the artificial control difficulty of above-mentioned EFFECTIVE RANGE is bigger; The continuation of continuous operation is not strong; Defectives such as cutting section out-of-flatness, fineness difference can appear; Thereby influenced the cut quality and the dimensional accuracy of workpiece, reduced cutting efficiency.
Summary of the invention
Technical problem to be solved by this invention provides a kind of pocket CUT of heightening automatically that can overcome above-mentioned deficiency; It can be realized mechanical work, work continuously; High efficiency; And can realize that the groove of straight cuts, circular cutting and multiple angles cuts to sheet metal; Can adjust the EFFECTIVE RANGE between plasma cutting-torch cutting torch and the metallic plate face automatically according to the ruggedness of metallic plate face during cutting, thereby guarantee cut quality and workpiece machining accuracy.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme: a kind of pocket CUT of heightening automatically comprises travel mechanism, cutting mechanism, miniature automatic Height-adjusting device; Wherein: said travel mechanism comprises dolly, guide rail, electrical equipment control device, dc brushless motor, reduction box, cutting torch guiding mechanism; Its annexation is: pair of wheels and a pair of deflecting roller that dolly is provided with through its bottom, can carry out linear reciprocating motion along pair of guide rails when cutting; Electrical equipment control device, dc brushless motor and reduction box are installed on dolly; One side is equipped with the cutting torch guiding mechanism at the top of dolly, and miniature automatic Height-adjusting device is installed on the pipe tooth bar in this cutting torch guiding mechanism, and the carriage release lever in miniature automatic Height-adjusting device is equipped with plasma cutting-torch through the cutting torch clamper bottom; Said cutting mechanism comprises plasma power supply, plasma cutting-torch, and the two is electrically connected through lead.
Said cutting torch guiding mechanism comprises to be heightened handwheel, vertical fixed bar, tooth bar and laterally adjusts handwheel, pipe tooth bar; Wherein: vertical fixed bar vertically is provided with, and its lower end is fixed on top one side of dolly; On vertical fixed bar, be equipped with and heighten handwheel, a side of this vertical fixed bar is provided with tooth bar; Handwheel is heightened in rotation, through the tooth bar engagement on gear on it and the vertical fixed bar, realizes the adjustment of height and position up and down of pipe tooth bar and plasma cutting-torch; The pipe tooth bar is horizontally disposed with, and it stretches out in the outer end of dolly miniature automatic Height-adjusting device is installed, and the other end of this pipe tooth bar is installed on the horizontal adjustment handwheel; Rotate laterally adjustment handwheel,, realize position, the level left and right sides adjustment of plasma cutting-torch through the engagement of gear on it and pipe tooth bar.
Said miniature automatic Height-adjusting device comprises Height-adjusting device seat, dc brushless motor, decelerator, shaft coupling, screw mandrel, screw, carriage release lever, movable plate, a pair of axis of guide, cutting torch clamper, plasma cutting-torch, plasma power supply, arc voltage height-regulating device and is arranged on safety guard, the limiting and protecting device on the plasma cutting-torch; Wherein: said dc brushless motor has decelerator, and is connected with the screw mandrel upper end through shaft coupling, and the screw that is arranged in the carriage release lever inner chamber forms with the mid portion of screw mandrel and is threaded; Being fixed on axial keyway that flat key and carriage release lever internal face on the screw be provided with forms and is slidingly matched; Upper end at carriage release lever is fixed with movable plate through pin, is symmetrically arranged with a pair of axis of guide that is fixed on the Height-adjusting device seat in the left and right sides of carriage release lever; This forms the linear bearing that is equipped with on the mid portion of the axis of guide and the movable plate and is slidingly matched; Plasma power supply is electrically connected with plasma cutting-torch, arc voltage height-regulating device through lead respectively, and the arc voltage height-regulating device is electrically connected with dc brushless motor through lead.
Said limiting and protecting device is to be installed in the travel switch on the Height-adjusting device seat medial surface and to be installed in meeting and discussing of movable plate one side; This is met and discussed when carriage release lever moves to maximum height, minimum constructive height, cooperates with upper and lower stroke switch respectively.
Said limiting and protecting device is a check ring; This spring and check ring all are sleeved on the hexagon socket cap head screw of screw mandrel lower end, and this spring is by the check ring latched position.
Said limiting and protecting device is a pin; The internal face of carriage release lever has been protruded in the inner of this pin, and can contact with the upper surface of screw.
Said safety device is the protective cap that is arranged on the plasma cutting-torch, and this protective cap is electrically connected with the arc voltage height-regulating device through lead.
Said Height-adjusting device seat is] shape, be provided with the guard shield that seals uncovered effect in its release part, the two forms a closed inner chamber.
The top and bottom of said Height-adjusting device seat are relatively set with through hole and lower through-hole; The output shaft of dc brushless motor is passed down through the last through hole of Height-adjusting device seat upper end; The lower vertical of this carriage release lever is passed the lower through-hole of Height-adjusting device seat lower end, and is slidingly matched with the fairlead formation that is packed in the above-mentioned lower through-hole.
Be set with dust cover on the said carriage release lever, this dust cover is an accordion structure, and its upper end is fixed on the lower surface of Height-adjusting device seat through connecting plate, and its lower end is fixed on the carriage release lever through the dust cover supporting plate.
Said plasma cutting-torch is installed on the cutting torch clamper through the cyclotomy annex.
Compared with the prior art the present invention has the following advantages and beneficial effect:
(1) adopt the cutting torch guiding mechanism, can before cutting, carry out about level in a big way to the cutting torch position and Height Adjustment up and down, be applicable to greatly the cutting than thick metal plate, operation, conveniently moving be flexible, high efficiency.
(2) have and heighten function automatically: adopt plasma power supply, arc voltage height-regulating device and miniature automatic Height-adjusting device; Thereby cutting the time can be adjusted the height of plasma cutting-torch automatically neatly according to the unevenness of metallic plate face; And distance is remained in the EFFECTIVE RANGE scope, thereby effectively guarantee the cut quality and the cutting accuracy of sheet metal.
(3) has the maltilevel security defencive function: adopt safety guard, can effectively prevent cutting torch bump cutting plate face, damage cutting torch; Adopt limiting and protecting device, can effectively realize the position limitation protection of maximum height and minimum constructive height, thereby make operation safe reliable.
(4) has dust reduction capability: by the enclosed construction that dust cover and guard shield and Height-adjusting device seat are formed, can prevent effectively that the flue dust that produces in the cutting process from getting into, avoid the wearing and tearing of screw mandrel screw, prolong its service life, and then reduce maintenance cost and production cost.
(5) in a word, the pocket CUT of heightening automatically of the present invention can be realized mechanical work, work continuously; Not only can realize straight cuts, circular cutting; But also can realize the groove cutting of multiple angles, it is little, in light weight, economical and practical to have a volume; Use, convenient in carrying safety; Cut quality is good, and cutting accuracy is high, and the workpiece size precision is high; Operating efficiency improves greatly, the advantage that labour intensity reduces greatly.
Description of drawings
Fig. 1 is the pocket front view of heightening CUT automatically of the present invention;
Fig. 2 is the pocket side view of heightening CUT automatically of the present invention;
Fig. 3 is the front view of miniature automatic Height-adjusting device;
Fig. 4 is the side view of miniature automatic Height-adjusting device.
Among Fig. 1-Fig. 2:
1, dolly; 1-1, pair of wheels; 1-2, a pair of deflecting roller; 2, guide rail; 3, electrical equipment control device; 4, arc voltage height-regulating device; 5, heighten handwheel; 6, tooth bar; 7, vertical fixed bar; 8, miniature automatic Height-adjusting device; 9, reduction box; 10, laterally adjust handwheel; 11, pipe tooth bar; 12, plasma cutting-torch; 13, safety guard; 14, cyclotomy annex.
Among Fig. 3-Fig. 4:
8-1, cutting torch clamper; 8-2, carriage release lever; 8-3, hexagon socket cap head screw; 8-4, spring; 8-5, connecting plate; 8-6, check ring; 8-7, fairlead; 8-8, screw mandrel; 8-9, movable plate; 8-10, screw; 8-11, pin; 8-12, shaft coupling; 8-13, decelerator; 8-14, dc brushless motor; 8-15, flat key; 8-16, travel switch; 8-17, Height-adjusting device seat; 8-18, dust cover; 8-19, dust cover supporting plate; 8-20, meet and discuss; 8-21, linear bearing; 8-22, the axis of guide; 8-23, guard shield; 15, plasma power supply.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done to describe in detail further.
Can know that by Fig. 1, Fig. 2 the pocket CUT of heightening automatically of the present invention can be divided into following three parts according to its effect and function: travel mechanism, cutting mechanism and miniature automatic Height-adjusting device, wherein:
(1) travel mechanism: with reference to Fig. 1, Fig. 2.
Comprise dolly 1, guide rail 2, dc brushless motor, reduction box 9, electrical equipment control device 3, cutting torch guiding mechanism, wherein:
Rear end in dolly 1 bottom is equipped with pair of wheels 1-1, and the front end in dolly 1 bottom is equipped with a pair of deflecting roller 1-2, above-mentioned wheel, deflecting roller and be installed in support on pair of guide rails 2 form to roll and cooperate.During cutting, dolly can carry out linear reciprocating motion on a pair of line slideway.
Electrical equipment control device 3 is installed on the dolly vehicle body, and it is used to adjust the translational speed of dolly, changes the positive and negative direction of motion of dolly.Beginning is installed on the control panel of dolly 1, the cutting of advancing, stops, retreating buttons such as cutting.
Before cutting with cutting process in, but the cutting torch guiding mechanism is about all carry out the operating position of article on plasma cutting torch 12 and adjustment up and down.This cutting torch guiding mechanism is arranged at top one side of dolly 1, and it comprises heightens handwheel 5, vertical fixed bar 7, tooth bar 6 and laterally adjust handwheel 10, pipe tooth bar 11; Wherein:
Pipe tooth bar 11 is horizontally disposed with, and is provided with tooth bar on it along its length.The end that this pipe tooth bar 11 stretches out in outside the dolly is equipped with miniature automatic Height-adjusting device 8, and the lower end of this miniature automatic Height-adjusting device 8 is equipped with plasma cutting-torch 12 through cutting torch clamper 8-1; The other end of this pipe tooth bar 11 is installed on the horizontal adjustment handwheel 10; Rotate laterally adjustment handwheel 10,, realize position, the level left and right sides adjustment of plasma cutting-torch 12 through gear on it and 11 engagements of pipe tooth bar.
(2) cutting mechanism:
Cutting mechanism comprises plasma power supply 15, plasma cutting-torch 12, cyclotomy annex 14 etc., is electrically connected through lead between plasma power supply 15 and the plasma cutting-torch 12.
When the groove of straight cuts and multiple angles cut, plasma cutting-torch 12 was directly installed on the cutting torch clamper 8-1; When the groove of different angles cuts, need rotation cutting torch clamper 8-1 to suitable angle, realize the cutting angle of plasma cutting-torch.
When circle was cut, plasma cutting-torch need be installed on the cutting torch clamper 8-1 through cyclotomy annex 14.
(3) miniature automatic Height-adjusting device: with reference to Fig. 3, Fig. 4.
Automatically heighten function when miniature automatic Height-adjusting device can be realized cutting, guarantee that spacing is an EFFECTIVE RANGE between plasma cutting-torch and the institute's cutting plate face, and then assurance cut quality and cutting accuracy.
Can know by Fig. 3, Fig. 4; Said miniature automatic Height-adjusting device 8 comprises Height-adjusting device seat 8-17, dc brushless motor 8-14, decelerator 8-13, shaft coupling 8-12, screw mandrel 8-8, screw 8-10, carriage release lever 8-2, movable plate 8-9, a pair of axis of guide 8-22, cutting torch clamper 8-1, plasma power supply 15, arc voltage height-regulating device 4 and limiting and protecting device, safety device 13 and dust guard, wherein:
Height-adjusting device seat 8-17 is] shape, be provided with the guard shield 8-23 that seals uncovered effect in its release part, the two forms a closed inner chamber, to prevent that flue dust from getting into and the wearing and tearing of screw mandrel screw, prolongs its service life.
Upper end, lower end at Height-adjusting device seat 8-17 are relatively set with through hole, lower through-hole; The output shaft of dc brushless motor 8-14 is passed down through the last through hole of Height-adjusting device seat upper end; The lower vertical of this carriage release lever 8-2 is passed the lower through-hole of Height-adjusting device seat 8-17 lower end, and is slidingly matched with the fairlead 8-7 formation that is fixed in the above-mentioned lower through-hole.
Linear brushless motor 8-14 has decelerator 8-13, and decelerator can make operation reach appropriate speed.This linear brushless motor 8-14 is packed in the upper surface of Height-adjusting device seat 8-17 through decelerator.
Lower surface at Height-adjusting device seat 8-17 is fixed with connecting plate 8-5, and outer end and the 11 overhanging ends of the pipe tooth bar in the cutting torch guiding mechanism through connecting plate 8-5 form a fixed connection, and miniature automatic Height-adjusting device 8 is installed on the cutting torch guiding mechanism.
This linear brushless motor 8-14 is connected with the upper end of screw mandrel 8-8 through shaft coupling 8-12, and the threaded portion of this screw mandrel is arranged in the inner chamber of carriage release lever 8-2, and screw 8-10 that has been threaded on it, and this screw also is arranged in the carriage release lever inner chamber.
Be connected through flat key 8-15 between this screw 8-10 and the carriage release lever 8-2.Concrete structure is: on the outer circumference surface of screw 8-10, be fixed with flat key 8-15, the axial keyway that is provided with on this flat key and the carriage release lever internal face forms and is slidingly matched.Match with the axial keyway effect of structure of flat key is: prevent relatively rotating between screw and the carriage release lever, but allow moving to axial between screw and the carriage release lever.
Screw mandrel 8-8 hexagon socket cap head screw 8-3 is installed bottom, on hexagon socket cap head screw, be set with check ring 8-6 and spring 8-4, this spring is by the check ring latched position.The effect of said structure is: during work, in case travel switch because of malfunctioning or damage is inoperative, it can prevent that screw from coming off from the lower end of screw mandrel, realizes the position limitation protection of minimum constructive height; Play two position limitation protection effects with travel switch.
Upper end at carriage release lever 8-2 is fixedly connected with movable plate 8-9 through pin 8-11, and the internal face of carriage release lever has been protruded in the inner of above-mentioned pin, and can contact with the upper surface of screw 8-10.The effect of above-mentioned pin is: can block the upper end of screw and stop it to move up, be threaded to prevent that screw 8-10 breaks away from screw mandrel 8-8, realize the position limitation protection of maximum height; Play two position limitation protection effects with travel switch 8-16.
Be symmetrically arranged with a pair of axis of guide 8-22 in the left and right sides of carriage release lever 8-2, this also can triangular in shapely be provided with the axis of guide and carriage release lever certainly, and the three is vertical setting and is parallel to each other.The upper and lower end of this a pair of axis of guide 8-22 is separately fixed at the upper and lower end of Height-adjusting device seat 8-17, and the linear bearing 8-21 that is equipped with on intermediate portion and the movable plate 8-9 forms and is slidingly matched.
Through cutting torch clamper 8-1 plasma cutting-torch 12 is installed bottom at carriage release lever 8-2.Plasma power supply 15 is electrically connected with plasma cutting-torch 12 and arc voltage height-regulating device 4 through lead respectively, and arc voltage height-regulating device 4 is electrically connected with dc brushless motor 8-14 through lead.
Said limiting and protecting device also comprises travel switch 8-16 except comprising above-mentioned pin 8-11 and check ring 8-6.On the lumen side wall of Height-adjusting device seat 8-17, the suitable spacing of being separated by is equipped with upper and lower stroke switch 8-16 respectively, and the 8-20 that meets and discusses of travel switch is installed on the side of movable plate 8-9.When the movable plate that is packed in carriage release lever 8-2 upper end rose to certain altitude, this was met and discussed and then can run into upper stroke switch, realized the limit function of maximum height; Otherwise when it dropped to certain altitude, this was met and discussed and then can run into lower stroke switch, realized the limit function of minimum constructive height.
Said safety device 13 is for being arranged on the protective cap on the plasma cutting-torch 12, and this protective cap is electrically connected with arc voltage height-regulating device 4 through lead.Its effect is: when plasma cutting-torch moves down, in case bump institute cuts sheet material can be damaged; Be provided with safety device for the generation that prevents above-mentioned situation, it can feed back signal to the arc voltage height-regulating device through protective cap, and when cutting torch touched institute's cuts sheet material, cutting torch can rise to safe height automatically.
Said dust guard comprises dust cover 8-18 and forms the guard shield 8-23 of a closed inner chamber with Height-adjusting device seat 8-17; Wherein: dust cover 8-18 is sleeved on the carriage release lever 8-2; Its upper end is fixed on the lower surface of connecting plate 8-5; This connecting plate 8-5 is fixed on the lower surface of Height-adjusting device seat 8-17, and its lower end is fixed on the dust cover supporting plate 8-19, and this dust cover supporting plate then is fixed on the carriage release lever by jackscrew.
Dust cover 8-18 mainly is provided with for fear of the wearing and tearing of screw mandrel screw, and this dust cover 8-18 is an accordion structure, and it can freely stretch in company with moving up and down of carriage release lever 8-2, thereby has sealing and Telescopic.Because dust cover has sealed up the hole between carriage release lever 8-2 and the Height-adjusting device seat 8-17, thereby can prevent effectively that the flue dust that produces in the cutting process from getting in the inner chamber of Height-adjusting device seat, and then avoid the wearing and tearing of screw mandrel and screw, prolong its service life.Certainly, the dust cover among the present invention also can bring replacement by sealing shroud or fluid sealant.
The course of work of miniature automatic Height-adjusting device is following:
When miniature automatic Height-adjusting device 8 drops to apart from the cutting plate face 2～3mm of institute automatically, at this moment be in the EFFECTIVE RANGE scope between plasma cutting-torch cutting torch and the institute's cutting plate face; Give digital control system by sensor feedback signal; Digital control system is sent instruction and is given relay, and the actuating of relay drives dc brushless motor 8-14 work.
When dc brushless motor 8-14 rotated along clockwise direction, screw mandrel 8-8 was clockwise, and carriage release lever 8-2 descends, and drove plasma cutting-torch 12 and descended; Otherwise plasma cutting-torch rises.
(4) the pocket course of work of heightening CUT automatically of the present invention is following:
(1) straight cuts
Open the power supply of power supply, plasma power supply 15 and the arc voltage height-regulating device 4 of dolly 1 earlier, adjust the position, the left and right sides and the upper-lower position of plasma cutting-torch 12, make between itself and the institute's cutting plate face apart from being EFFECTIVE RANGE 2～3mm through the cutting torch guiding mechanism.
Then, start the dolly button, dolly 1 begins to travel forward, and plasma power supply 15 work simultaneously produce plasma arc, and sheet material is cut.
In cutting process, plasma power supply 15 passes to miniature automatic Height-adjusting device 8 with the arc voltage signal that receives, and comes to adjust automatically distance between plasma cutting-torch 12 and the institute's cutting plate face through miniature automatic Height-adjusting device, makes it to remain in the EFFECTIVE RANGE scope.
After the cutting of advancing finishes, press the stop button on the dolly 1, shut down.
Then, the sheet metal that is cut is moved to the cutting position of appointment; Press and retreat the cutting button on the dolly 1, realize the cutting of dolly in setback; After retreating cutting and finishing, shut down.
In addition, dolly 1 also can turn back to original position, the cutting of advancing once more again after the cutting of advancing finishes, shuts down.
(2) groove cutting
Can adjust the angle between plasma cutting-torch 12 and the institute's cutting plate face arbitrarily through cutting torch clamper 8-1, thereby realize the groove cutting of multiple different angles.Other cutting process of groove cutting is identical with above-mentioned straight cuts.
(3) circular cutting
Earlier plasma cutting-torch 12 is installed on the cyclotomy annex 14, and then cyclotomy annex 14 is installed on the cutting torch clamper 8-1.Through the circular motion of cyclotomy annex, intact existing plasma cutting-torch is to the circle cutting of sheet metal.Other cutting process of circular cutting is also identical with above-mentioned straight cuts.
Claims (11)
1. the pocket CUT of heightening automatically is characterized in that,
A, comprise travel mechanism, cutting mechanism, miniature automatic Height-adjusting device; Wherein:
B, said travel mechanism comprise dolly (1), guide rail (2), electrical equipment control device (3), dc brushless motor, reduction box (9), cutting torch guiding mechanism; Wherein: pair of wheels (1-1) and a pair of deflecting roller (1-2) that dolly (1) is provided with through its bottom, can carry out linear reciprocating motion along pair of guide rails (2) when cutting; Electrical equipment control device (3), dc brushless motor and reduction box (9) are installed on dolly (1); A side is equipped with the cutting torch guiding mechanism at the top of dolly (1); On the pipe tooth bar (11) in this cutting torch guiding mechanism miniature automatic Height-adjusting device (8) is installed, the carriage release lever (8-2) in miniature automatic Height-adjusting device is equipped with plasma cutting-torch (12) through cutting torch clamper (8-1) bottom;
C, said cutting mechanism comprise plasma power supply (15), plasma cutting-torch (12), and the two is electrically connected through lead.
2. the pocket CUT of heightening automatically as claimed in claim 1 is characterized in that, said cutting torch guiding mechanism comprises to be heightened handwheel (5), vertical fixed bar (7), tooth bar (6) and laterally adjust handwheel (10), pipe tooth bar (11); Wherein: vertical fixed bar (7) is vertical to be provided with, and its lower end is fixed on top one side of dolly (1); On vertical fixed bar, be equipped with and heighten handwheel (5), a side of this vertical fixed bar is provided with tooth bar (6); Handwheel (5) is heightened in rotation, through the tooth bar engagement on gear on it and the vertical fixed bar, realizes the adjustment of height and position up and down of plasma cutting-torch (12); Pipe tooth bar (11) is horizontally disposed with, and it stretches out in the outer end of dolly miniature automatic Height-adjusting device (8) is installed, and the other end of this pipe tooth bar is installed on the horizontal adjustment handwheel (10); Rotate laterally adjustment handwheel (10),, realize position, the level left and right sides adjustment of plasma cutting-torch (12) through the engagement of gear on it and pipe tooth bar (11).
3. the pocket CUT of heightening automatically as claimed in claim 2; It is characterized in that said miniature automatic Height-adjusting device (8) comprises Height-adjusting device seat (8-17), dc brushless motor (8-14), decelerator (8-13), shaft coupling (8-12), screw mandrel (8-8), screw (8-10), carriage release lever (8-2), movable plate (8-9), a pair of axis of guide (8-22), cutting torch clamper (8-1), plasma cutting-torch (12), plasma power supply (15), arc voltage height-regulating device (4) and is arranged on safety guard (13), the limiting and protecting device on the plasma cutting-torch; Wherein: said dc brushless motor (8-14) has decelerator (8-13), and is connected with screw mandrel (8-8) upper end through shaft coupling (8-12), and the screw (8-10) that is arranged in carriage release lever (8-2) inner chamber forms with the mid portion of screw mandrel (8-8) and is threaded; The flat key (8-15) that is fixed on the screw is slidingly matched with the axial keyway formation that carriage release lever (8-2) internal face is provided with; Upper end at carriage release lever (8-2) is fixed with movable plate (8-9) through pin (8-11), is symmetrically arranged with a pair of axis of guide (8-22) that is fixed on the Height-adjusting device seat (8-17) in the left and right sides of carriage release lever (8-2); This forms the linear bearing (8-21) that is equipped with on the mid portion of the axis of guide (8-22) and the movable plate (8-9) and is slidingly matched; Plasma power supply (15) is electrically connected with plasma cutting-torch (12), arc voltage height-regulating device (4) through lead respectively, and arc voltage height-regulating device (4) is electrically connected with dc brushless motor (8-14) through lead.
4. the pocket CUT of heightening automatically as claimed in claim 3 is characterized in that, meet and discuss (8-20) of said limiting and protecting device for being installed in the travel switch (8-16) on Height-adjusting device seat (8-17) medial surface and being installed in movable plate (8-9) side; This is met and discussed when carriage release lever moves to maximum height, minimum constructive height, cooperates with upper and lower stroke switch respectively.
5. the pocket CUT of heightening automatically as claimed in claim 3 is characterized in that said limiting and protecting device is check ring (8-6); This spring (8-4) and check ring (8-6) all are sleeved on the hexagon socket cap head screw (8-3) of screw mandrel (8-8) lower end, and this spring is by the check ring latched position.
6. the pocket CUT of heightening automatically as claimed in claim 3 is characterized in that said limiting and protecting device is pin (8-11); The internal face of carriage release lever (8-2) has been protruded in the inner of this pin, and can contact with the upper surface of screw (8-10).
7. like claim 4 or the 5 or 6 described pocket CUTs of heightening automatically, it is characterized in that said safety device (13) is for being arranged on the protective cap on the plasma cutting-torch (12), this protective cap is electrically connected with arc voltage height-regulating device (4) through lead.
8. the pocket CUT of heightening automatically as claimed in claim 7 is characterized in that said Height-adjusting device seat (8-17) is] shape, be provided with the guard shield (8-23) that seals uncovered effect in its release part, the two forms a closed inner chamber.
9. the pocket CUT of heightening automatically as claimed in claim 8 is characterized in that the top and bottom of said Height-adjusting device seat (8-17) are relatively set with through hole and lower through-hole; The output shaft of dc brushless motor (8-14) is passed down through the last through hole of Height-adjusting device seat (8-17) upper end; The lower vertical of this carriage release lever (8-2) is passed the lower through-hole of Height-adjusting device seat (8-17) lower end, and is slidingly matched with fairlead (8-7) formation that is packed in the above-mentioned lower through-hole.
10. the pocket CUT of heightening automatically as claimed in claim 9; It is characterized in that; Be set with dust cover (8-18) on the said carriage release lever (8-2); This dust cover (8-18) is an accordion structure; Its upper end is fixed on the lower surface of Height-adjusting device seat (8-17) through connecting plate (8-5), and its lower end is fixed on the carriage release lever (8-2) through dust cover supporting plate (8-19).
11. the pocket CUT of heightening automatically as claimed in claim 3 is characterized in that said plasma cutting-torch (12) is installed on the cutting torch clamper (8-1) through cyclotomy annex (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110281096XA CN102350580A (en) | 2011-09-09 | 2011-09-09 | Pocket type automatic height-regulating plasma cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110281096XA CN102350580A (en) | 2011-09-09 | 2011-09-09 | Pocket type automatic height-regulating plasma cutting machine |
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| CN201110281096XA Pending CN102350580A (en) | 2011-09-09 | 2011-09-09 | Pocket type automatic height-regulating plasma cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102689188A (en) * | 2012-05-30 | 2012-09-26 | 扬州宏承机械有限公司 | Base of automatic bevelling machine |
| CN104117764A (en) * | 2013-04-25 | 2014-10-29 | 南通中集大型储罐有限公司 | Automatic welding equipment and automatic welding method |
| CN104923899A (en) * | 2015-05-31 | 2015-09-23 | 天津二十冶建设有限公司 | Plate cutting cart and method |
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Application publication date: 20120215 |