Laser pipe cutting machine convenient for loading and unloading and application method thereof
Technical Field
The invention relates to the technical field of laser pipe cutting, in particular to a laser pipe cutting machine convenient for loading and unloading and a use method thereof.
Background
The laser cutting technology is widely applied to the fields of aviation, aerospace, automobile manufacturing and the like as a high-quality, high-precision and high-efficiency processing method. At present, along with the continuous improvement of the optical fiber laser cutting technology, especially the rapid development of the pipe cutting industry, the laser processing brings convenience and benefit to the production and manufacturing industry, the market demand for the laser pipe cutting machine is also increasing, and the laser cutting head of the laser pipe cutting machine is time-consuming, labor-consuming and complex when the position of the laser cutting head is adjusted according to the requirement at present, and the prior patent document improves the laser cutting head.
For example, chinese patent CN220880953U, a laser pipe cutting machine, belongs to the technical field of laser cutting, and includes a supporting frame, two sections of slide slots are opened at the top end of the supporting frame and two straight rods are provided, two screws are provided inside the supporting frame, two first bearings are fixed on two inner side walls of the supporting frame, a first driving wheel and a second driving wheel are respectively fixed on the screws, a top plate is fixed at the top end of each straight rod, a screw is fixed at the bottom end of each straight rod through a slide plate, a groove is opened at the bottom end of each top plate, a driving motor is fixed on one side wall of each groove, a screw rod is connected at the output end of each groove, a limiting block is connected to each screw rod, a hydraulic cylinder is mounted at the bottom end of each limiting block, and a laser cutting head is connected to each piston rod through a mounting seat; a third driving wheel, a first conveying belt and a second conveying belt are arranged in the supporting frame, and the side surface of the third driving wheel is connected with a handle through a rotating shaft; the laser pipe cutting machine can randomly adjust the position of the laser cutting head during cutting, so that time and labor are saved, and a user can use the machine more conveniently and efficiently.
The device in the above document, although being capable of adjusting the position of the laser cutting head to improve the convenience in use, has obvious drawbacks in practical use, such as:
Although the device can adjust the cutting position of the laser, the device is very troublesome in steel pipe feeding, the steel pipe is required to be transported to the top of the device by using manpower for fixing, the process is tedious, the efficiency is reduced, and compared with the existing device, the steel pipe is moved, and the adjustment of the laser cutting head is undoubtedly cumbersome and inconvenient;
so the laser pipe cutting machine which can facilitate loading and unloading is designed to solve the defects.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a laser pipe cutting machine convenient for loading and unloading and a use method thereof, and solves the problem that the conventional laser cutting equipment is inconvenient for loading and unloading.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a laser pipe cutting machine convenient to go up unloading, includes material loading conveying mechanism, material loading conveying mechanism includes the bottom plate, spacing laser cutting mechanism is installed at the top of bottom plate.
Preferably, the top of bottom plate is through support fixedly connected with transmission platform, the rear portion of transmission platform is through fixed plate fixedly connected with brace table, the rear portion of brace table is rotated through the bearing piece and is connected with horizontal bull stick, the transfer wheel is all installed to the both ends of horizontal bull stick and the both sides at transmission platform inner chamber rear portion, connects through the conveyer belt transmission between two transfer wheels of homonymy, the top fixedly connected with recess seat of conveyer belt, and the recess seat is provided with a plurality of, the left side fixedly connected with first gear on horizontal bull stick surface.
Preferably, the rear side fixedly connected with first cylinder at bottom plate top, the top fixed mounting of first cylinder is retracted the frame, the interior side sliding of retracting the frame is installed the arc tooth board, and fixedly connected with first spring between the inner wall of arc tooth board and the frame that contracts, the right side of retracting the frame has the lifting rod through sliding sleeve slidable mounting, and the bottom fixedly connected with lifting plate of lifting rod.
Preferably, the top of lifting plate is through the horizontal roof of support fixedly connected with, and the horizontal roof is provided with a plurality of, the horizontal roof is located the inboard of transmission platform, rectangular channel has all been seted up to the front side and the rear side at horizontal roof top, the inside sliding mounting in rectangular channel has the sliding block, and fixedly connected with fourth spring between the inner wall of sliding block and rectangular channel, the top fixedly connected with of sliding block erects the fagging, two the upper portion of the opposite one side of erects the fagging all has the rebound pole through seting up opening slidable mounting, two the relative one end of rebound pole all rotates through the bearing spare and is connected with the side cylinder, the surface cover of rebound pole is equipped with the second spring, the top of top and being located between two rebound poles is through seting up opening slidable mounting and is equipped with down the cylinder, the surface cover of last ejector rod is equipped with the third spring, two the equal fixedly connected with circular arc board in one side that erects the fagging is on the back mutually, the front portion and the rear portion of transmission platform inner chamber all fixedly connected with and the cooperation of board is the circular arc piece and uses.
Preferably, the front side fixedly connected with of lifting board top erects the pull rod, the surface sliding of erects the pull rod installs and rolls over the board, the left side of roll over the board rear portion is connected with through the bearing piece rotation and pushes away the feed cylinder, the right side of roll over the board surface is connected with the driven lever through seting up the opening rotation, push away and pass through belt assembly transmission connection between feed cylinder and the driven lever, the front end fixedly connected with second gear of driven lever, the surface cover of erects the pull rod is equipped with the fifth spring, the surface of roll over the board passes through support fixedly connected with motor, and the output shaft of motor passes through the front end fixed connection of shaft coupling and driven lever.
Preferably, the spacing laser cutting mechanism includes the rectangle frame, and the rectangle frame is installed in the right side at bottom plate top, the right side of rectangle frame is through seting up opening fixedly connected with drum frame, the inboard rotation of drum frame is connected with worm wheel section of thick bamboo, the rear portion of rectangle frame inner chamber is connected with the worm with worm wheel section of thick bamboo engaged with through the bearing piece rotation, and the front end of worm runs through the rectangle frame and extends to the front portion of rectangle frame, the surface of lifting rod just is located the front portion fixedly connected with of rectangle frame and the third gear that meshes with the second gear.
Preferably, the front part and the rear part of the inner cavity of the worm wheel cylinder and the cylinder frame are provided with side arc openings which are matched with each other for use, the inner sides of the front part and the rear side arc openings of the worm wheel cylinder are provided with round head compression bars in sliding mode, two opposite ends of the round head compression bars are fixedly connected with clamping plates, and the surfaces of the round head compression bars are sleeved with sixth springs.
Preferably, the front portion and the rear portion on rectangular frame inner chamber right side are all slidable mounting has the round cross bar, the one end fixedly connected with of round cross bar and side arc cooperation use the cambered surface piece, the top of rectangular frame is through seting up opening fixedly connected with second cylinder, the top fixedly connected with of second cylinder pushes down the frame, the both ends of pushing down the frame all press the seat through support fixedly connected with the inclined plane that round cross bar cooperatees the use, and the inclined plane presses the inside of seat rectangular frame, the right side of rectangular frame is through support fixedly connected with button, the left side fixedly connected with of pushing down the frame is with the butt riser that rolls over the cooperation of template and use, the right side of pushing down the frame is through support fixedly connected with laser cutting head.
The invention also discloses a use method of the laser pipe cutting machine convenient for loading and unloading, which comprises the following steps:
The method comprises the steps that S1, before the steel pipes are used, firstly, a plurality of steel pipes are placed on the inner sides of groove seats on the two sides in sequence, after the steel pipes are placed, a first air cylinder is started to descend, so that a lifting plate and a lifting rod drive a plurality of transverse top plates to descend by means of self weight, the lifting plate is completely lowered to the bottom and is not lowered after being contacted with a bottom plate, but the first air cylinder still pushes a retraction frame to slide downwards on the surface of the lifting rod, at the moment, an arc tooth plate is meshed with a first gear under the elasticity of a first spring and drives a transverse rotating rod to rotate, after the transverse rotating rod rotates, the steel pipes are driven to move forwards by a conveying belt to the inner sides of a conveying table, then the first air cylinder is started to drive a plurality of transverse top plates on the lifting plate and the top by means of connection of the retraction frame and the lifting rod, the arc tooth plate is not meshed with the first gear, and is extruded to retract into the retraction frame, after the lifting plate is lifted to the top, the arc tooth plate is contacted with an arc-shaped lifting block and is extruded to enable two lower frames to push two side rolling cylinders to close the steel pipes by means of the elasticity of the first spring, at the moment, and then the steel pipes are simultaneously pushed to be folded by the groove seats by the two side rolling cylinders to be lifted by the steel pipes, and then lifted by the steel pipes are simultaneously, and the step 2 is also pushed to be lifted to be contacted with the steel pipes by the lifting cylinder to the groove seat;
S2, after the steel pipe is fed, a driven rod is driven by a starting motor to drive a pushing cylinder to rotate by utilizing the transmission of a belt assembly, the steel pipe is driven to move right until the steel pipe passes through a worm gear cylinder when the pushing cylinder rotates, the motor is closed when the right end of the steel pipe is contacted with a button and pressed, a second cylinder is started at the same time when the button is pressed, a laser cutting head is driven to synchronously descend by the second cylinder, a vertical pressing plate and an inclined pressing seat are pressed against the pressing plate, the laser cutting head descends to the bottom and is contacted with the surface of the steel pipe, the vertical pressing plate is pressed against the descending pressing plate to descend in the limit of a vertical pull rod, the pushing cylinder is not contacted with the steel pipe any more, meanwhile, a second gear is meshed with a third gear, and two inclined pressing seats can press a round and transverse pressing rod to push the round head pressing rod to shrink into the worm gear cylinder, meanwhile, the arc opening on the inner side of a cylinder frame is filled by the arc surface block, and the steel pipe is clamped by a clamping plate at the moment, and then the step S3 is carried out;
S3, after the clamping of the steel tube is completed, the motor is started again, at the moment, the pushing cylinder descends and is not contacted with the steel tube, so that the steel tube is not driven to move, the meshing of the second gear and the third gear only drives the worm to rotate, the worm drives the worm wheel cylinder to rotate, the round head pressing rod retracts to the inner side of the worm wheel cylinder, the worm wheel cylinder can drive the steel tube to rotate for one circle, the steel tube is cut off by utilizing the contact of the laser cutting head, the lower roller and the side roller can retract through the third spring and the second spring, the steel tube cannot be blocked when rotating, and after the steel tube falls after being cut off, the second cylinder rises to enable the pushing cylinder to be contacted with the steel tube again.
Preferably, the surface of the pushing cylinder in the step S2 and the step S3 is wrapped with a rubber layer.
Advantageous effects
The invention provides a laser pipe cutting machine convenient for loading and unloading and a use method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) This laser pipe cutting machine convenient to go up unloading and application method thereof through carrying out the use of combination formula with material loading conveying mechanism and spacing laser cutting mechanism, the setting of these two mechanisms can utilize the lift of first cylinder to carry out the material loading to the steel pipe, and still can carry out spacing centre gripping to the steel pipe through the linkage between the structure after the material loading is accomplished, utilize the pressure to the button when conveying the steel pipe simultaneously, make the second cylinder descend to accomplish the butt joint to motor power, and match the laser cutting head to accomplish the cutting to the steel pipe, whole process convenient and fast, reduce staff's operation, laser cutting efficiency has been improved.
(2) According to the laser pipe cutting machine convenient for loading and unloading and the use method thereof, the first gear is arranged on the surface of the transverse rotating rod, the two side rollers are arranged at the top of the transverse top plate through the rectangular groove, the transverse top plate is pushed to descend by the aid of the first air cylinder in cooperation with the lower roller, the arc toothed plate drives the conveying belt to drive the conveying belt to move the steel pipe to the inner side of the conveying table, and after the first air cylinder ascends again, the arc toothed plate can be extruded by the arc abutting blocks, so that the side rollers and the lower roller clamp and lift the steel pipe to limit.
(3) This laser pipe cutting machine convenient to go up unloading and application method thereof through installing the button on the right side of rectangle frame, uses with the second cylinder, and the setting of these structures can let to press the riser to descend the doubling template and press after the steel pipe is driven by the pushing cylinder and presses the button to make second gear and third gear meshing accomplish power butt joint, make follow-up worm wheel section of thick bamboo can drive the steel pipe rotation, and can not let the rotation of pushing cylinder influence the steel pipe, improved the stability of equipment.
(4) According to the laser pipe cutting machine convenient for loading and unloading and the application method thereof, the inclined plane pressing seats are arranged at the two ends of the pressing frame, the round transverse pressing rod and the cambered surface block are matched for use, the cambered surface block can be used for pressing the round head pressing rod to retract to the inner side of the worm wheel cylinder by utilizing the downward pressing of the inclined plane pressing seats, and the cambered surface block fills the side arc opening, so that the worm wheel cylinder can smoothly drive the steel pipe to rotate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a rear elevational view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the lift plate, cross roof and vertical bracing plates of the present invention;
FIG. 4 is a schematic view of a belt assembly, a second gear and a fifth spring arrangement of the present invention;
FIG. 5 is a schematic view of the rebound lever, side roller and second spring arrangement of the present invention;
FIG. 6 is a schematic view of a conveyor belt, a groove seat and a first gear arrangement of the present invention;
FIG. 7 is a cross-sectional view of a retractor frame structure of the present invention;
FIG. 8 is a schematic view of a spacing laser cutting mechanism of the present invention;
FIG. 9 is a schematic view of a second cylinder, bevel press and laser cutting head configuration of the present invention;
FIG. 10 is a schematic view of the structure of the worm gear barrel, side arc and button head of the present invention;
Fig. 11 is a cross-sectional view of a rectangular frame structure of the present invention.
In the figure: 1. a feeding conveying mechanism; 2. a limit laser cutting mechanism; 101. a bottom plate; 102. a transmission station; 103. a support table; 104. a transverse rotating rod; 105. a transfer wheel; 106. a conveyor belt; 107. a groove seat; 108. a first gear; 109. a lifting rod; 110. a retraction frame; 111. arc tooth plate; 112. a first spring; 113. a first cylinder; 114. a lifting plate; 115. a transverse top plate; 116. rectangular grooves; 117. a sliding block; 118. a vertical supporting plate; 119. a rebound bar; 120. a side roller; 121. a second spring; 122. an upper ejector rod; 123. a lower drum; 124. a third spring; 125. arc supporting blocks; 126. a fourth spring; 127. an arc plate; 128. a vertical pull rod; 129. folding plates; 130. a pushing cylinder; 131. a driven rod; 132. a belt assembly; 133. a second gear; 134. a fifth spring; 201. a rectangular frame; 202. a cylinder frame; 203. a worm wheel cylinder; 204. a side arc port; 205. a button head compression bar; 206. a clamping plate; 207. a sixth spring; 208. a cambered surface block; 209. a worm; 210. a motor; 211. a third gear; 212. pressing the vertical plate; 213. a second cylinder; 214. an inclined plane pressing seat; 215. a laser cutting head; 216. a button; 217. a pressing frame is pressed down; 218. a round transverse compression bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a laser pipe cutting machine convenient to go up unloading, includes material loading conveying mechanism 1, and material loading conveying mechanism 1 includes bottom plate 101, and spacing laser cutting mechanism 2 is installed at bottom plate 101's top.
Referring to fig. 3, 4, 5, 6, 7 and 8, the overall structure of the feeding and conveying mechanism 1 is shown, the top of the bottom plate 101 is fixedly connected with a conveying table 102 through a bracket, the rear part of the conveying table 102 is fixedly connected with a supporting table 103 through a fixing plate, the rear part of the supporting table 103 is rotatably connected with a transverse rotating rod 104 through a bearing member, two ends of the transverse rotating rod 104 and two sides of the rear part of the inner cavity of the conveying table 102 are respectively provided with a conveying wheel 105, two conveying wheels 105 on the same side are in transmission connection through a conveying belt 106, the top of the conveying belt 106 is fixedly connected with a groove seat 107, the groove seat 107 is provided with a plurality of grooves, The left side of the surface of the transverse rod 104 is fixedly connected with a first gear 108, the rear side of the top of the bottom plate 101 is fixedly connected with a first cylinder 113, the top end of the first cylinder 113 is fixedly provided with a retraction frame 110, the inner side of the retraction frame 110 is fixedly provided with an arc tooth plate 111, a first spring 112 is fixedly connected between the arc tooth plate 111 and the inner wall of the retraction frame 110, the right side of the retraction frame 110 is slidably provided with a lifting rod 109 through a sliding sleeve, the bottom end of the lifting rod 109 is fixedly connected with a lifting plate 114, the top of the lifting plate 114 is fixedly connected with a transverse top plate 115 through a bracket, the transverse top plate 115 is provided with a plurality of, The transverse top plate 115 is positioned at the inner side of the transmission table 102, rectangular grooves 116 are respectively formed at the front side and the rear side of the top of the transverse top plate 115, a sliding block 117 is slidably arranged in the inner side of each rectangular groove 116, a fourth spring 126 is fixedly connected between the sliding block 117 and the inner wall of each rectangular groove 116, a vertical supporting plate 118 is fixedly connected at the top of each sliding block 117, rebound rods 119 are slidably arranged at the upper parts of the opposite sides of the two vertical supporting plates 118 through openings, side rollers 120 are rotatably connected at the opposite ends of the two rebound rods 119 through bearing pieces, rubber layers are wrapped on the surfaces of the side rollers 120 to improve friction force, the surface of the rebound rod 119 is sleeved with a second spring 121, an upper ejector rod 122 is slidably arranged at the top of the transverse top plate 115 and between the two rebound rods 119 through an opening, the top end of the upper ejector rod 122 is rotationally connected with a lower roller 123, the surface of the lower roller 123 is wrapped with a rubber layer to improve friction force, the surface of the upper ejector rod 122 is sleeved with a third spring 124, one side of the two vertical supporting plates 118 opposite to each other is fixedly connected with an arc plate 127, the front part and the rear part of the inner cavity of the transmission platform 102 are fixedly connected with arc supporting blocks 125 which are matched with the arc plates 127 for use, the front side of the top of the lifting plate 114 is fixedly connected with a vertical pull rod 128, The surface of the vertical pull rod 128 is slidably provided with a folding plate 129, the left side of the rear part of the folding plate 129 is rotationally connected with a pushing cylinder 130 through a bearing piece, the right side of the surface of the folding plate 129 is rotationally connected with a driven rod 131 through an opening, the pushing cylinder 130 is in transmission connection with the driven rod 131 through a belt component 132, the belt component 132 comprises a belt pulley and a belt, the front end of the driven rod 131 is fixedly connected with a second gear 133, the position of the second gear 133 is always higher than that of the third gear 211, the surface of the vertical pull rod 128 is sleeved with a fifth spring 134, the surface of the folding plate 129 is fixedly connected with a motor 210 through a bracket, the motor 210 is a servo motor and can drive the worm gear 203 to rotate for one circle and reset after being preset, and an output shaft of the motor 210 is fixedly connected with the front end of the driven rod 131 through a coupler.
Referring to fig. 9, 10 and 11, the overall structure of the spacing laser cutting mechanism 2 is shown, the spacing laser cutting mechanism 2 comprises a rectangular frame 201, the rectangular frame 201 is installed on the right side of the top of the bottom plate 101, the right side of the rectangular frame 201 is fixedly connected with a cylindrical frame 202 through an opening, the inner side of the cylindrical frame 202 is rotatably connected with a worm wheel cylinder 203, the rear part of the inner cavity of the rectangular frame 201 is rotatably connected with a worm 209 meshed with the worm wheel cylinder 203 through a bearing piece, the front end of the worm 209 penetrates through the rectangular frame 201 and extends to the front part of the rectangular frame 201, the surface of the lifting rod 109 is fixedly connected with a third gear 211 meshed with a second gear 133 at the front part of the rectangular frame 201, the front part and the rear part of the inner cavity of the worm wheel cylinder 203 and the cylindrical frame 202 are respectively provided with a side arc 204 which are mutually matched, the inner sides of the front part and the rear side arc 204 of the worm wheel cylinder 203 are slidably provided with a round head compression rod 205, the opposite ends of the two round head compression bars 205 are fixedly connected with a clamping plate 206, the surfaces of the round head compression bars 205 are sleeved with sixth springs 207, the front part and the rear part of the right side of the inner cavity of the rectangular frame 201 are respectively provided with a round transverse compression bar 218 in a sliding manner, one end of each round transverse compression bar 218 is fixedly connected with a cambered surface block 208 matched with the side arc opening 204 for use, the cambered surface blocks 208 can be butted with the side arc opening 204 to enable the cylindrical frame 202 to form a complete cylinder shape, the top of the rectangular frame 201 is fixedly connected with a second cylinder 213 through an opening, the top end of the second cylinder 213 is fixedly connected with a pressing frame 217, both ends of the pressing frame 217 are fixedly connected with inclined surface pressing seats 214 matched with the round transverse compression bars 218 through brackets, the inclined surface pressing seats 214 are positioned in the rectangular frame 201, the right side of the rectangular frame 201 is fixedly connected with buttons 216 through the brackets, the buttons 216 can be manually adjusted in advance through the distance of pipeline cutting, the left side of the lower pressing frame 217 is fixedly connected with a pressing vertical plate 212 matched with the folding plate 129 for use, the right side of the lower pressing frame 217 is fixedly connected with a laser cutting head 215 through a bracket, and the laser cutting head 215 is laser cutting equipment.
The invention also discloses a use method of the laser pipe cutting machine convenient for loading and unloading, which comprises the following steps:
S1, before the steel tube lifting device is used, firstly, a plurality of steel tubes are sequentially placed on the inner sides of groove seats 107 on two sides, after the steel tubes are placed, a first air cylinder 113 is started to descend, so that a lifting plate 114 and a lifting rod 109 drive a plurality of transverse top plates 115 to descend by self weight, when the lifting plate 114 is completely descended to the bottom and does not descend after contacting with a bottom plate 101, the first air cylinder 113 still pushes a retraction frame 110 to slide downwards on the surface of the lifting rod 109, at the moment, an arc tooth plate 111 is meshed with a first gear 108 under the elasticity of a first spring 112 and drives a transverse rotating rod 104 to rotate, after the transverse rotating rod 104 rotates, a conveying belt 106 is utilized to drive the steel tubes to move forwards to the inner side of a conveying table 102, then, the first cylinder 113 is started again, the lifting plate 114 and the top transverse top plates 115 are driven to ascend by the connection of the retraction frame 110 and the lifting rods 109, the arc tooth plates 111 are arc-shaped and are not meshed with the first gears 108, but are extruded to retract into the retraction frame 110, after the lifting plate 114 ascends to the top, the arc plates 127 are contacted with the arc supporting blocks 125 and are extruded to enable the two lower pressing frames 217 to push the two side rollers 120 to fold so as to clamp the steel pipes in the transmission table 102 by using the vertical supporting plates 118, meanwhile, the lower rollers 123 jack the steel pipes to be separated from the groove seats 107, the lifting plate 114 ascends and simultaneously drives the folding plates 129 by using the fifth springs 134 so that the pushing cylinders 130 are also contacted with the bottoms of the steel pipes, and then the steel pipes are fed, and the step S2 is completed;
S2, after the steel pipe is fed, the driving motor 210 drives the driven rod 131 to drive the pushing cylinder 130 to rotate by utilizing the transmission of the belt assembly 132, the pushing cylinder 130 drives the steel pipe to move right until the steel pipe passes through the worm gear cylinder 203, when the right end of the steel pipe is contacted with the button 216 and pressed, the motor 210 is closed, the pressing of the button 216 simultaneously starts the second cylinder 213, the second cylinder 213 is started and then drives the laser cutting head 215, the pressing vertical plate 212 and the inclined surface pressing seat 214 to synchronously descend, the laser cutting head 215 is contacted with the surface of the steel pipe after descending to the bottom, the pressing vertical plate 212 descends and presses the folding plate 129 to descend in the limit of the vertical pull rod 128, the pushing cylinder 130 is not contacted with the steel pipe any more, the second gear 133 is meshed with the third gear 211, the two inclined surface pressing seats 214 squeeze the round transverse pressing rod 218, the round head 205 is pushed by the arc surface block 208 to shrink into the cylinder 203, and the arc 204 at the inner side edge of the round surface block 202 is filled, the clamping plate 206 is clamped by the clamping plate 206, and then the step S3 is carried out;
S3, after the steel pipe is clamped, the motor 210 is started again, at this time, the pushing barrel 130 descends and is not contacted with the steel pipe, so that the steel pipe is not driven to move, the engagement of the second gear 133 and the third gear 211 only drives the worm 209 to rotate, the rotation of the worm 209 drives the worm wheel barrel 203 to rotate, the round head compression rod 205 retracts to the inner side of the worm wheel barrel 203, so that collision cannot occur, the worm wheel barrel 203 can drive the steel pipe to rotate for one circle, the steel pipe is cut off by utilizing the contact of the laser cutting head 215, the lower roller 123 and the side roller 120 can retract through the third spring 124 and the second spring 121, the steel pipe cannot be blocked when rotating, the pushing barrel 130 is contacted with the steel pipe again after the steel pipe falls off after the steel pipe is cut off, and the rubber layer is wrapped on the surface of the pushing barrel 130 in the steps S2 and S3.
And all that is not described in detail in this specification is well known to those skilled in the art.