Portable carbon arc gouging cut mouth
Technical Field
The utility model relates to a carbon arc gouging cut technical field especially relates to a portable carbon arc gouging cut.
Background
The carbon arc gouging is a surface processing groove method which uses a carbon rod or a graphite rod as an electrode, generates electric arc with a workpiece, melts metal and blows off the melted metal by compressed air, and is mainly used for gouging, eliminating weld defects and back gouging in welding production; the existing portable carbon arc gouging planer is mostly composed of a conical head gouging head and an air inlet handle, and the conical gouging head is provided with a placing hole for placing a carbon rod or a graphite rod.
The length of the handle that admits air of current portable carbon arc gouging planer mouth exists the shortcoming that is not convenient for adjust and fix, and its air output size is also all unadjustable greatly, in some special welding, if need go deep into when the inboard processing slot of machine or shelf, the length that needs the handle that admits air is enough to extend to and treats processing department, and if directly set up longer handle that admits air, then can bring the influence when processing outside position and occupy great space, make portablely, can not satisfy the user demand, therefore we have proposed a portable carbon arc gouging planer mouth and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a portable carbon arc gouging planer mouth.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable carbon arc gouging planer mouth comprises a conical shell, wherein a carbon rod hole is formed in the top of the conical shell, an air inlet handle is arranged on one side of the conical shell and consists of a first pipe and a second pipe, one end, far away from the second pipe, of the first pipe is fixedly connected with the outer side of the conical shell, a transverse chute is formed in one side, close to the air inlet handle, of the conical shell and communicated with the first pipe, an inclined air outlet hole is formed in the inner wall of the bottom of the transverse chute, a first annular groove is formed in the outer side of the second pipe, an opening is formed in one side, close to the first pipe, of the first annular groove, a knob ring is rotatably sleeved on the inner side wall of the first annular groove, a plurality of anti-slip strips are fixedly connected to the outer side of the knob ring, a circular pipe head is fixedly sleeved in the knob ring, the circular pipe head is positioned between the first pipe and the second pipe, a connecting pipe is, one end of the connecting pipe extends into the second pipe, the second pipe is sleeved on the connecting pipe in a sealing and sliding manner, a second annular groove is formed in the outer side of the connecting pipe, external threads are arranged on the inner side wall of the second annular groove, a nut is fixedly sleeved in the circular pipe head and is sleeved on the external threads in a threaded manner, one end of the second pipe is fixedly connected with two fixed blocks, one sides of the two fixed blocks, which are close to each other, extend into the second annular groove, supporting blocks are fixedly connected on the inner top wall and the inner bottom wall of the second pipe, one sides of the fixed blocks, which are close to the corresponding supporting blocks, and a same positioning rod is fixed between the supporting blocks in a threaded manner, the connecting pipe is sleeved on the two positioning rods in a sliding manner, a rectangular groove is formed in the inner top wall of the first pipe, a baffle is sleeved in the rectangular groove in the, one side bottom fixedly connected with of baffle and the stopper of connecting pipe top inner wall movable contact, the top of first pipe is equipped with the handle, and the bottom fixedly connected with screw rod of handle, and the rectangular channel is run through and extend to first intraductal in the bottom of screw rod, and the baffle thread bush is established on the screw rod.
Preferably, two third ring channels have been seted up in the outside of connecting pipe, and two third ring channels all are located the second ring channel and keep away from one side of conical shell, and the fixed cover in the third ring channel is equipped with the sealing washer, and the outside of sealing washer and the sealed movable contact of lateral wall of second pipe.
Preferably, the knob ring is internally and fixedly sleeved with a first bearing, and the inner ring of the first bearing is fixedly sleeved on the inner side wall of the first annular groove.
Preferably, two first round holes are formed in the inner wall of one side, away from the conical shell, of the second annular groove, a sealing rubber sheet is bonded in each first round hole, and the inner side of each sealing rubber sheet is connected with the outer side of the corresponding positioning rod in a sliding mode.
Preferably, the inner side of the nut is provided with an internal thread, and the internal thread is meshed with the external thread.
Preferably, the top of the baffle is provided with a threaded hole, and the threaded hole is in threaded connection with the screw.
Preferably, a second round hole is formed in the inner wall of the top of the rectangular groove, a sealing bearing is fixedly sleeved in the second round hole, and the inner ring of the sealing bearing is welded and fixed with the outer side of the screw rod.
Preferably, the outer side of the baffle plate is in sliding close contact with the side wall of the rectangular groove.
Preferably, the diameter of the transverse chute is smaller than that of the first pipe, and one end of the transverse chute is positioned inside the first pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
through the second pipe, the connecting pipe, the first pipe, the transverse chute, the oblique air outlet hole, the sealing ring, the handle, the screw rod is matched with the baffle, the second pipe is connected with an air source, the gas enters the oblique air outlet hole through the second pipe, the connecting pipe, the first pipe and the transverse chute in sequence, and finally the slag blowing operation is carried out on the groove in the processing through the oblique air outlet hole;
through the knob ring, the pipe head, the nut, the external screw thread, the connecting pipe, the locating lever, the sealing washer, first pipe, conical shell body and second pipe cooperate, forward rotation knob ring passes through the pipe head and drives the nut and rotate on the external screw thread, can drive external screw thread and connecting pipe removal when the nut rotates, make the connecting pipe slide and drive two sealing washers and remove on two locating levers, the connecting pipe still drives conical shell body through first pipe and removes, distance increase between the one end of keeping away from each other is managed to first pipe and second this moment, thereby reach the total length of handle that admits air and change, adjust suitable back, stop rotating knob ring, automatic level and smooth phenomenon appears in the connecting pipe when can preventing to use this moment under nut and external screw thread self interlock damping.
The utility model relates to a rationally, practical portable is convenient for carry out quick adjustment and fixed to the total length of handle that admits air according to the demand, appears the automatic phenomenon that contracts when can effectively avoiding using, is convenient for adjust the air input, and can improve sealed effect under the cooperation of two sealing washers in order to avoid appearing gas leakage phenomenon, satisfies the user demand.
Drawings
FIG. 1 is a perspective view of a portable carbon arc gouging torch according to the present invention;
FIG. 2 is a perspective view of the intake handle of FIG. 1 shown prior to installation;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a perspective view of FIG. 2;
FIG. 5 is a side cross-sectional structural view of the air intake handle of FIG. 1;
FIG. 6 is a schematic view of the structure of part A in FIG. 5;
FIG. 7 is a schematic view of the structure of part B in FIG. 5;
FIG. 8 is a perspective view of the connection tube and two gasket couplings of FIG. 5;
fig. 9 is a perspective view of the knob ring and barrel head connector of fig. 5.
In the figure: the device comprises a conical shell 1, a carbon rod hole 2, a transverse chute 3, an inclined air outlet hole 4, a first pipe 5, a second pipe 6, a first annular groove 7, a knob ring 8, an anti-slip strip 9, a connecting pipe 10, a second annular groove 11, an external thread 12, a circular pipe head 13, a nut 14, a fixed block 15, a positioning rod 16, a supporting block 17, a rectangular groove 18, a baffle 19, a limiting block 20, a handle 21, a screw 22, a first bearing 23, a third annular groove 24, a sealing ring 25 and a first circular hole 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-9, the utility model provides a portable carbon arc gouging nozzle, which comprises a conical shell 1, a carbon rod hole 2 is arranged at the top of the conical shell 1, an air inlet handle is arranged at one side of the conical shell 1, the air inlet handle is composed of a first pipe 5 and a second pipe 6, one end of the first pipe 5 far away from the second pipe 6 is fixedly connected with the outer side of the conical shell 1, a transverse chute 3 is arranged at one side of the conical shell 1 close to the air inlet handle, the transverse chute 3 is communicated with the first pipe 5, an inclined air outlet hole 4 is arranged on the inner wall at the bottom of the transverse chute 3, a first annular groove 7 is arranged at the outer side of the second pipe 6, an opening is arranged at one side of the first annular groove 7 close to the first pipe 5, a knob ring 8 is rotatably sleeved on the inner side wall of the first annular groove 7, a plurality of anti-skid strips 9 are fixedly connected with the outer side of the knob ring 8, a circular tube head 13, the round tube head 13 is positioned between the first tube 5 and the second tube 6, the connecting tube 10 is fixedly sleeved in the first tube 5, one end of the connecting tube 10 extends into the second tube 6, the second tube 6 is sleeved on the connecting tube 10 in a sealing and sliding manner, the outer side of the connecting tube 10 is provided with a second annular groove 11, the inner side wall of the second annular groove 11 is provided with an external thread 12, the round tube head 13 is fixedly sleeved with a nut 14, the nut 14 is sleeved on the external thread 12 in a threaded manner, one end of the second tube 6 is fixedly connected with two fixing blocks 15, the mutually adjacent sides of the two fixing blocks 15 extend into the second annular groove 11, the top inner wall and the bottom inner wall of the second tube 6 are both fixedly connected with supporting blocks 17, the same positioning rod 16 is fixed in a threaded manner between one side of the fixing block 15 adjacent to the corresponding supporting block 17 and the supporting block 17, the utility model has the advantages of reasonable design, practicality and portability, is convenient for rapidly adjusting and fixing the total length of the air inlet handle according to requirements, can effectively avoid the automatic retraction phenomenon during use, is convenient for adjusting the air input amount, and can improve the sealing effect under the matching of two sealing rings 25 so as to avoid the air leakage phenomenon, the use requirement is met.
In the utility model, two third ring grooves 24 are opened on the outside of the connecting pipe 10, the two third ring grooves 24 are both located on one side of the second ring groove 11 away from the conical shell 1, the sealing ring 25 is fixedly sleeved in the third ring groove 24, the outside of the sealing ring 25 is in sealing movable contact with the side wall of the second pipe 6, the first bearing 23 is fixedly sleeved in the knob ring 8, the inner ring of the first bearing 23 is fixedly sleeved on the inner side wall of the first ring groove 7, the inner wall of one side of the second ring groove 11 away from the conical shell 1 is opened with two first round holes 26, the first round hole 26 is internally bonded with a sealing rubber sheet, the inner side of the sealing rubber sheet is in sliding connection with the outer side of the corresponding positioning rod 16, the inner side of the nut 14 is provided with an internal thread, the internal thread is meshed with the external thread 12, the top of the baffle plate 19 is, the second round hole has been seted up on the top inner wall of rectangular channel 18, and the second round hole internal fixation cover is equipped with seal bearing, seal bearing's inner circle and screw rod 22's outside welded fastening, baffle 19's the outside and rectangular channel 18's lateral wall sliding close contact, the diameter ratio of horizontal chute 3 is little than the diameter of the first pipe 5, and the one end of horizontal chute 3 is located the inboard of first pipe 5, the utility model relates to a rationally, practical portable is convenient for carry out the quick adjustment and fix to the total length of handle that admits air according to the demand, appears the automatic phenomenon of returning when can effectively avoiding using, is convenient for adjust the air input, and can improve sealed effect under two sealing washer 25's cooperation in order to avoid appearing gas leakage phenomenon, satisfies the user demand.
The working principle is as follows: when air is supplied, one end of the second pipe 6, which is far away from the conical shell 1, is connected with an air source, the air enters the connecting pipe 10 through the second pipe 6, then enters the first pipe 5 through the connecting pipe 10, then sequentially enters the inclined air outlet 4 through the first pipe 5 and the transverse chute 3, and finally is blown out through the inclined air outlet 4, so that the slag melted in the groove being processed is blown off, the two sealing rings 25 on the connecting pipe 10 are in contact with the side wall of the first pipe 6, the air can be effectively prevented from being discharged between the first pipe 6 and the connecting pipe 10, when the air inflow needs to be adjusted, the forward rotating handle 21 drives the screw rod 22 to rotate, under the action of the threaded hole arranged at the top of the baffle plate 19, the screw rod 22 rotates to drive the baffle plate 19 to slide downwards in the rectangular groove 18, the position sheltered from the other end of the connecting pipe 10 is gradually increased when the baffle plate 19 moves downwards, so that the space when the other end of the, thereby reducing the air output and achieving the purpose that the air input into the inclined air outlet hole 4 is changed;
when the length of the air inlet handle is adjusted, the knob ring 8 is rotated in the forward direction, the knob ring 8 drives the circular tube head 13 to rotate, the circular tube head 13 drives the nut 14 to rotate on the external thread 12, the nut 14 can drive the external thread 12 to move towards the direction close to the conical shell 1 when rotating, the external thread 12 drives the connecting tube 10 to slide on the two positioning rods 16, the connecting tube 10 drives the two sealing rings 25 to slide on the inner side wall of the first tube 6, meanwhile, the connecting tube 10 drives the first tube 5 to move towards the direction far away from the second tube 6, the first tube 5 drives the conical shell 1 to move, the distance between the ends, far away from each other, of the first tube 5 and the second tube 6 is increased, thereby the total length of the air inlet handle is changed, after the air inlet handle is adjusted properly, the knob ring 8 stops rotating, the nut 14 does not rotate any more at the moment, and the self-locking characteristic of the threaded part of the, when the nut 14 does not rotate, an occluded damping gnawing force to the external thread 12 exists, so that the phenomenon of automatic smoothness of the connecting pipe 10 can be prevented, the total length and air inflow of the air inlet handle can be conveniently adjusted, and the phenomenon of air leakage can be avoided under the matching of the two sealing rings 25.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.