CN216066350U

CN216066350U - Pipe cutting chamfering machine

Info

Publication number: CN216066350U
Application number: CN202122387617.1U
Authority: CN
Inventors: 梁勇; 徐贵芳; 徐建华; 岳新红; 徐志坚
Original assignee: Zhejiang Foertai Intelligent Equipment Co ltd
Current assignee: Zhejiang Foertai Intelligent Equipment Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-18
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of pipe machining, in particular to a pipe cutting chamfering machine which comprises a machine body, a main chuck component, an auxiliary chuck component, a cutting mechanism and a fixed-length feeding assembly, wherein the main chuck component capable of loosening a steel pipe or clamping the steel pipe and then rotating the steel pipe is arranged on the upper side of the left part of the machine body. The steel pipe fixed-length feeding assembly is reasonable and compact in structure, a steel pipe with a certain length can penetrate through the main chuck assembly and then is fed into the auxiliary chuck assembly according to requirements, the main chuck assembly and the auxiliary chuck assembly clamp the steel pipe at the same time, the auxiliary chuck assembly synchronously rotates along with the main chuck assembly to drive the steel pipe to rotate, torque generated during machining is avoided, then the cutting mechanism simultaneously cuts and chamfers the steel pipe, the steel pipe with various specifications can be cut and chamfered according to requirements, the flexibility is strong, the structure of the steel pipe fixed-length feeding assembly can be simplified, the occupied area is reduced, and the steel pipe fixed-length feeding assembly has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.

Description

Pipe cutting chamfering machine

Technical Field

The utility model relates to the technical field of pipe machining, in particular to a pipe cutting chamfering machine.

Background

The pipe is applied to various production and manufacturing fields, and the pipe cutting equipment on the market basically cuts and processes the pipe through a pipe sawing machine and a single cutting saw blade in a rotating mode.

At present, the automatic cutting machine for cutting the pipe by rotating a plurality of cutting blades and performing outer chamfering on the pipe is provided, but the inner side burrs of the cutting surface are serious and unstable due to the rotating cutting mode of the plurality of cutting blades, only the error caused by the outer chamfering on subsequent automatic positioning is large, simultaneously the inner chamfering needs additional subsequent processing steps to remove the burrs, the cutting and chamfering processes are separately performed, and the length of the production line is prolonged while the productivity is reduced.

The transmission shaft is a shaft capable of transmitting power in a universal transmission device, and is a rotating body with high rotating speed and less support, so that the dynamic balance of the transmission shaft is crucial. The transmission shaft tube is an important component of a transmission shaft, is a connecting part between an automobile transmission shaft and each part, and is an essential part for producing the modern automobile transmission shaft. The unloading of current transmission shaft central siphon is got by tubular product intercepting as required, because its length differs, needs the length that detects tubular product before the steel pipe cutting, and the testing process is loaded down with trivial details, need carry out corresponding adjustment during the tubular product cutting of different specifications, and degree of automation is low, and intensity of labour is high.

With the increasing expansion of the market of the transmission shaft tube, the requirements of customers on the product specification are more and more diversified. The deburring method has the advantages that the deburring is carried out while the dimensional precision of a workpiece is not changed, the appearance and the hand feeling are obviously improved, and the functions of polishing, brightening and the like are achieved; however, most deburring machines are complex in structure and not compact enough, and the deburring station and the blanking station are separated, so that the working efficiency is low.

Weight reduction and energy conservation are one of the subjects of current automobile development, and for a truck, the weight is reduced to a certain extent, so that cargoes with corresponding weight can be overloaded, and meanwhile, the consumption of raw materials required by manufacturing a single automobile can be reduced.

The main damage forms of the automobile transmission shaft are damage, abrasion, deformation and loss of dynamic balance of transmission shaft parts, and the damage of the parts is mainly represented by fracture of a cross shaft and a flange yoke, and the damage forms of yielding and deformation of the shaft tube are rare, so that the possibility of realizing thinness and weight reduction by improving the material strength of the shaft tube is provided. The yield strength of the transmission shaft tube material commonly adopted in China at present is 360-470N/mm2, and the tensile strength is 470-580N/mm 2. Different outer diameters and wall thicknesses are selected according to different torque output requirements, and typical specifications are as follows: 76 × 2.5, 89 × 3.5, 100 × 3.5, 110 × 4, 120 × 5, 140 × 6, etc.

Along with the rapid development of industrial manufacturing and the progress of mechanical technology in China, the competition in the field of mechanical processing is more and more intense. The machining industry has entered the micro-profit era, and the current situation forces the machining industry to continuously innovate and improve, and the production of high-quality products becomes the trend of industrial development, but the production of the competitive products must have more detection technologies and control means to ensure the quality of the mechanical products, and the important means strictly controls the geometric precision of parts from the raw materials, thereby ensuring the quality of the finished products and improving the competitiveness of enterprises in the market.

Patent document CN210451419U discloses a steel tube cutting device with automatic feeding and discharging, which comprises a feeding area, a feeding area and a steel pipe cutting area, wherein the feeding area is positioned between the feeding area and the steel pipe cutting area, a plurality of feeding mechanisms capable of automatically feeding are arranged in the feeding area, the plurality of feeding mechanisms are mutually abutted and transversely distributed, a feeding mechanism capable of conveying the steel pipe into the steel pipe cutting area is arranged in the feeding area, a lathe bed is arranged in the steel pipe cutting area, a clamping part for the steel pipe to penetrate out and fixedly clamp the steel pipe is arranged on the lathe bed close to the feeding mechanism, a cutting device capable of cutting the steel pipe is arranged at the position of the front end part of the lathe bed close to the clamping part, the steel pipe cutting device is characterized in that a distance sensor capable of sensing the extension length of a steel pipe is arranged below the cutting device at the front end of the lathe bed, and a limiting mechanism which is arranged opposite to the clamping part and can move back and forth is mounted on the lathe bed. This automatic cutting device who goes up among steel pipe cutting equipment of unloading is laser cutter, needs the clamping part to press from both sides tight steel pipe and rotates in cutting process, and when the cutting, the steel pipe only has one end atress, and the steel pipe can receive the moment of torsion influence in cutting process, and this can reduce the processingquality of steel pipe, especially is used for the steel pipe of transmission shaft central siphon, and the dust that the laser in-process produced simultaneously can air pollution environment.

Patent document No. CN206464882U discloses an inclined lathe bed numerically controlled lathe with a servo direct-drive turret, which includes a lower lathe bed, and a workpiece clamping chuck assembly and an upper lathe bed that are arranged on the lower lathe bed and are arranged in front and back; the workpiece clamping chuck assembly comprises a spindle mounting frame, a servo spindle is mounted on the spindle mounting frame, a servo motor for driving the servo spindle to rotate is mounted on a lower lathe bed, a hydraulic chuck is mounted at the output end of the servo spindle, and a rotary oil cylinder for controlling the hydraulic chuck to clamp and loosen a workpiece is further mounted on the servo spindle; the upper lathe bed is an inclined lathe bed, a transverse guide rail is arranged on the inclined surface of the upper lathe bed, a mounting plate which slides along the transverse guide rail and is parallel to the inclined surface of the upper lathe bed is arranged on the transverse guide rail, and a first driving mechanism which drives the mounting plate to slide along the transverse guide rail is further arranged on the upper lathe bed; the mounting plate is provided with a longitudinal slide rail which inclines from top to bottom, the longitudinal slide rail is provided with a movable dragging plate which slides along the longitudinal slide rail, the movable dragging plate is provided with a transversely arranged servo direct-drive tool turret, and the longitudinal slide rail is provided with a second driving mechanism which drives the movable dragging plate to slide along the longitudinal slide rail. This take steel pipe in servo lathe bed numerical control lathe that directly drives sword tower presss from both sides tight tip through hydraulic chuck, and the steel pipe can receive the moment of torsion at the cutting process from this, and then reduces processingquality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipe cutting chamfering machine, which overcomes the defects of the prior art and solves the problems of long process line, large occupied area, torque generation during processing and poor flexibility of the conventional steel pipe cutting chamfering.

The utility model further solves the problems that burrs of the existing steel pipe cutting chamfer need to be cleaned independently, the processing stability is poor, and the operation environment is poor.

The technical scheme of the utility model is realized by the following measures: the utility model provides a pipe cutting beveler, including the lathe bed, main chuck subassembly, vice chuck subassembly, cutting mechanism and fixed length feeding assembly, the upper side of lathe bed left part is equipped with can loosen the steel pipe or press from both sides behind the tight steel pipe belted steel pipe pivoted main chuck subassembly, the upper side of lathe bed right part is equipped with and makes steel pipe right-hand member and left part synchronous pivoted vice chuck subassembly after loosening the steel pipe or pressing from both sides tight steel pipe, the lathe bed left side is equipped with and can makes the steel pipe right-hand member send into the fixed length feeding assembly in the vice chuck subassembly after passing main chuck subassembly according to setting for length, be equipped with the cutting mechanism that can cut and chamfer the steel pipe simultaneously between main chuck subassembly and the vice chuck subassembly.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the main chuck component can comprise a main chuck, a first main shaft arranged on the upper side of the left part of the machine body and a first driving mechanism arranged on the left side of the upper part of the machine body and driving the first main shaft to rotate, the main chuck is arranged at the right end of the first main shaft, a second driving mechanism for controlling the main chuck to clamp or loosen is arranged at the left end of the first main shaft, the auxiliary chuck component comprises a chuck base and a second main shaft, the chuck base is arranged on the upper side of the right part of the lathe bed in a left-right direction in a sliding mode, a second main shaft corresponding to the first main shaft is arranged in the middle of the chuck base, a third driving mechanism for driving the second main shaft to rotate synchronously with the first main shaft is arranged on the upper portion of the chuck base, an auxiliary chuck corresponding to the main chuck is installed at the left end of the second main shaft, a fourth driving mechanism for controlling the auxiliary chuck to clamp or loosen is installed at the right end of the second main shaft, and a fifth driving mechanism capable of driving the chuck base to move left and right is installed on the right part of the lathe bed.

The fixed-length feeding assembly can comprise a feeding frame, a feeding driving mechanism, a feeding pneumatic clamping jaw and an induction device, wherein the feeding frame is fixedly arranged on the left side of the rear part of the lathe bed, a feeding seat is arranged on the front side of the feeding frame in a left-right sliding mode, the feeding driving mechanism for enabling the feeding seat to move left and right is arranged on the left side of the feeding frame, the feeding pneumatic clamping jaw is arranged on the front side of the feeding seat, the feeding clamping jaw is fixedly arranged on the front portions of two clamping fingers of the feeding pneumatic clamping jaw, a feeding clamping groove which is communicated with the left and right is formed in the front portions of the two feeding clamping jaws, openings of the two feeding clamping grooves are oppositely arranged, the induction device is arranged on the front side of the left part of the feeding frame, the induction device comprises a blocking frame, a blocking plate and an approach switch, the blocking frame is fixedly arranged on the front side of the left part of the feeding frame, a blocking cylinder is fixedly arranged on the right side of the upper part of the blocking frame, the blocking plate is fixedly arranged on the upper end of the piston rod of the blocking plate, the approach switch is arranged on the left side of the blocking frame corresponding to the blocking plate, the proximity switch is electrically connected with the feeding driving mechanism.

Above-mentioned fixed length feeding assembly still can include floating support and unsteady pneumatic clamping jaw, the pay-off frame left side place ahead is equipped with floating support, floating support upper portion is equipped with unsteady pneumatic clamping jaw, the equal fixed mounting in two clamp finger upper portions of the pneumatic clamping jaw that floats has unsteady clamping jaw, the unsteady double-layered groove that link up about two unsteady clamping jaw upper portions all are equipped with, two unsteady double-layered inslot openings set up relatively, every unsteady double-layered inslot side is equal the longitudinal symmetry rotation and is installed two pinch rollers, the distance between the central axis of four pinch rollers and the central axis of main chuck is equal the same.

The cutting mechanism can comprise a front tool rest, a front bottom plate, a rear tool rest, a rear bottom plate, a chamfering feeding mechanism and a cutting feeding mechanism, the front bottom plate is fixedly installed on the upper side of the front part of the machine body corresponding to the right position of the main chuck, the front tool rest is slidably installed on the upper side of the front bottom plate in the front-back direction, the chamfering feeding mechanism capable of enabling the front tool rest to move back and forth is arranged on the upper side of the front part of the front bottom plate, the rear bottom plate is fixedly installed on the upper side of the rear part of the machine body corresponding to the right position of the main chuck, the rear tool rest is slidably installed on the upper side of the rear bottom plate in the front-back direction, the cutting tool corresponding to the chamfering tool is fixedly installed on the upper part of the rear tool rest, and the cutting feeding mechanism capable of enabling the rear tool rest to move back and forth is arranged on the upper side of the rear part of the rear bottom plate.

The front bottom plate rear side can be fixedly provided with a chip removal cover with the rear side fixedly installed together with the rear bottom plate front side, a front cutter outlet hole which is through from front to back is formed in the chip removal cover front side corresponding to the chamfering cutter position, a rear cutter outlet hole which is through from front to back is formed in the chip removal cover rear side corresponding to the cutting cutter position, the lower portion of the lathe bed corresponding to the chip removal cover lower position is provided with a scraper conveyor with a conveying direction from front to back, the lower portion of the scraper conveyor is located at the rear of the lathe bed from the front to back, and an aggregate trolley is arranged below an outlet of the scraper conveyor.

Above-mentioned lathe bed rear side that corresponds rear floor right side position can be followed and is followed to slidable mounting and arrange the material base about, lathe bed right part rear side is equipped with and makes the sixth actuating mechanism who arranges the material base and remove, it has row material frame to slidable mounting around along row material base upside, it is equipped with the row material actuating mechanism that can make row material frame back-and-forth movement to arrange material base rear portion upside, it installs row material pneumatic clamping jaw to arrange material frame upper portion, it indicates the anterior equal fixed mounting of front portion to arrange material pneumatic clamping jaw two presss from both sides, it presss from both sides the groove to arrange the row material that link up about two row material clamping jaw front portions all are equipped with, two row material clamp groove openings set up relatively, it installs row material cylinder to correspond row material frame upper portion of arranging material pneumatic clamping jaw right side position.

The first driving mechanism and the third driving mechanism can be servo motors, output shafts of the two servo motors are in transmission connection with the first main shaft and the second main shaft respectively, the second driving mechanism and the fourth driving mechanism are rotary hydraulic cylinders, the fifth driving mechanism, the sixth driving mechanism, the feeding driving mechanism, the chamfering feeding mechanism, the cutting feeding mechanism and the discharging driving mechanism are screw rod sliding block mechanisms, and screw rod end portions of the screw rod sliding block mechanisms are in transmission connection with the output shaft end portions of the driving motors.

The fixed-length feeding assembly has the advantages of reasonable and compact structure and high flexibility, is convenient to use, can pass a steel pipe with a certain length through the main chuck assembly and then feed the steel pipe into the auxiliary chuck assembly according to requirements, the main chuck assembly and the auxiliary chuck assembly simultaneously clamp the steel pipe, the auxiliary chuck assembly synchronously rotates along with the main chuck assembly to drive the steel pipe to rotate, so that the torque generated during processing is avoided, and then the cutting mechanism simultaneously cuts and chamfers the steel pipe, so that the steel pipes with various specifications can be cut and chamfered according to the requirements, the fixed-length feeding assembly also can simplify the structure of the fixed-length feeding assembly, reduces the occupied area, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.

Drawings

Fig. 1 is a schematic front view of the preferred embodiment of the present invention.

Fig. 2 is a left-view enlarged structural diagram of fig. 1.

Fig. 3 is a schematic perspective view of a preferred embodiment of the present invention.

Fig. 4 is a schematic perspective view of the second preferred embodiment of the present invention.

Fig. 5 is a schematic front view of the preferred embodiment of the present invention with the hood removed.

Fig. 6 is a left-view enlarged structural diagram of fig. 5.

Fig. 7 is a schematic perspective view of the preferred embodiment of the present invention with the hood removed.

Fig. 8 is a perspective view of the chip evacuation cover in accordance with the preferred embodiment of the present invention.

Fig. 9 is an enlarged schematic view of a portion a of fig. 3.

The codes in the figures are respectively: 1 is a lathe bed, 2 is a main chuck, 3 is a first main shaft, 4 is a first driving mechanism, 5 is a second driving mechanism, 6 is a secondary chuck, 7 is a chuck base, 8 is a second main shaft, 9 is a third driving mechanism, 10 is a fourth driving mechanism, 11 is a fifth driving mechanism, 12 is a feeding frame, 13 is a feeding seat, 14 is a feeding driving mechanism, 15 is a feeding pneumatic clamping jaw, 16 is a feeding clamping jaw, 17 is a blocking frame, 18 is a blocking plate, 19 is a blocking cylinder, 20 is an approach switch, 21 is a floating bracket, 22 is a floating pneumatic clamping jaw, 23 is a floating clamping jaw, 24 is a pressing wheel, 25 is a front tool rest, 26 is a rear tool rest, 27 is a front bottom plate, 28 is a rear bottom plate, 29 is a chamfering feeding mechanism, 30 is a cutting feeding mechanism, 31 is a chamfering tool, 32 is a cutting tool, 33 is a chip removal cover, 34 is a scraper conveyer, 35 is an aggregate trolley, 36 is a discharge base, 37 is a sixth driving mechanism, 38 is a discharging frame, 39 is a discharging driving mechanism, 40 is a discharging pneumatic clamping jaw, 41 is a discharging clamping jaw, 42 is a discharging air cylinder, 43 is a feeding clamping groove, and 44 is a floating clamping groove.

Detailed Description

The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The utility model is further described with reference to the following examples and figures:

as shown in the attached drawings 1 to 9, the pipe cutting and chamfering machine comprises a machine body 1, a main chuck component, an auxiliary chuck component, a cutting mechanism and a fixed-length feeding assembly, wherein the main chuck component capable of rotating with a steel pipe after the steel pipe can be loosened or clamped is arranged on the upper side of the left part of the machine body 1, the auxiliary chuck component capable of synchronously rotating the right end and the left part of the steel pipe after the steel pipe can be loosened or clamped is arranged on the upper side of the right part of the machine body 1, the fixed-length feeding assembly capable of enabling the right end of the steel pipe to penetrate through the main chuck component according to a set length and then to be fed into the auxiliary chuck component is arranged on the left side of the machine body 1, and the cutting mechanism capable of simultaneously cutting and chamfering the steel pipe is arranged between the main chuck component and the auxiliary chuck component.

The lathe bed 1 can be a slant lathe bed according to requirements. In the using process, the fixed-length feeding assembly can penetrate a steel pipe with a certain length through the main chuck component and then is fed into the auxiliary chuck component according to requirements, the main chuck component and the auxiliary chuck component simultaneously clamp the steel pipe, the auxiliary chuck component synchronously rotates along with the main chuck component to further drive two ends of the steel pipe to synchronously rotate, the generation of torque in machining is avoided, then the cutting mechanism simultaneously cuts and chamfers the steel pipe, the steel pipe with various specifications can be cut and chamfered according to requirements, the flexibility is strong, the structure of the fixed-length feeding assembly can be simplified, and the occupied area is reduced.

The pipe cutting and chamfering machine can be further optimized or/and improved according to actual needs:

as shown in fig. 1 to 7, the main chuck assembly comprises a main chuck 2, a first main shaft 3 arranged on the upper left side of the machine body 1, and a first driving mechanism 4 arranged on the left side of the upper portion of the machine body 1 and driving the first main shaft 3 to rotate, the main chuck 2 is arranged at the right end of the first main shaft 3, a second driving mechanism 5 for controlling the main chuck 2 to clamp or loosen is arranged at the left end of the first main shaft 3, the auxiliary chuck assembly comprises a chuck base 7, a second main shaft 8, an auxiliary chuck 6, a third driving mechanism 9 and a fourth driving mechanism 10, the chuck base 7 is arranged on the upper right side of the machine body 1 in a left-right sliding manner, the middle of the chuck base 7 is provided with the second main shaft 8 corresponding to the first main shaft 3, the upper portion of the chuck base 7 is provided with the third driving mechanism 9 for driving the second main shaft 8 to rotate synchronously with the first main shaft 3, the auxiliary chuck 6 corresponding to the main chuck 2 is arranged at the left end of the second main spindle 8, a fourth driving mechanism 10 for controlling the clamping or loosening of the auxiliary chuck 6 is installed at the right end of the second main shaft 8, and a fifth driving mechanism 11 capable of driving the chuck base 7 to move left and right is installed at the right part of the lathe bed 1.

According to requirements, the first main shaft 3 and the second main shaft 8 are both known hollow shafts, and the main chuck 2 and the auxiliary chuck 6 are both known chucks with hollow structures. In the use, through setting up fifth actuating mechanism 11, can remove chuck base 7 according to the different position demands of the steel pipe of different length, and then make the 6 centre gripping of auxiliary chuck in the different positions of steel pipe, form simple beam model or outrigger model, can effectively support long, short-size steel pipe, can be at the steel pipe again along with main chuck 2 and the 6 rotation in-process of auxiliary chuck, prevent that cutting mechanism from taking place the extrusion deformation phenomenon at cutting and chamfer in-process, make the course of working more stable.

As shown in the attached drawings 1 to 7, the fixed-length feeding assembly comprises a feeding frame 12, a feeding driving mechanism 14, a feeding pneumatic clamping jaw 15 and a sensing device, the feeding frame 12 is fixedly installed on the left side of the rear part of a machine body 1, a feeding seat 13 is installed on the front side of the feeding frame 12 in a left-right sliding mode, the feeding driving mechanism 14 enabling the feeding seat 13 to move left and right is arranged on the left side of the feeding frame 12, the feeding pneumatic clamping jaw 15 is installed on the front side of the feeding seat 13, the feeding clamping jaws 16 are fixedly installed on the front portions of two clamping fingers of the feeding pneumatic clamping jaw 15, feeding clamping grooves 43 which are communicated left and right are formed in the front portions of the two feeding clamping jaws 16, openings of the two feeding clamping grooves 43 are arranged oppositely, the sensing device is arranged on the front side of the left part of the feeding frame 12, the sensing device comprises a blocking frame 17, a blocking plate 18 and a proximity switch 20, the blocking frame 17 is fixedly installed on the front side of the left part of the feeding frame 12, the right side of the upper part of the blocking frame 17 is fixedly installed with a blocking cylinder 19, a stop plate 18 is fixedly arranged at the upper end of a piston rod of the stop cylinder 19, a proximity switch 20 is arranged at the upper end of the stop frame 17 corresponding to the left side position of the stop plate 18, and the proximity switch 20 is electrically connected with the feeding driving mechanism 14.

According to requirements, the feeding pneumatic clamping jaw 15 is a parallel clamping jaw which is well known in the prior art, two clamping fingers of the feeding pneumatic clamping jaw 15 are arranged at intervals up and down, the feeding clamping groove 43 is a trapezoidal groove with the width of a groove opening larger than that of a groove bottom, the proximity switch 20 is a photoelectric switch which is well known in the prior art, such as the model E3Z-L61, and the blocking plate 18 is a vertical plate. In the use process, the feeding seat 13 is located at the left side of the blocking plate 18, the two clamping fingers of the feeding clamping jaw 16 are opened to the maximum position, when the right end of a new steel pipe moves to the left side of the blocking plate 18, the photoelectric switch detects the steel pipe, the initial position can be determined, the feeding pneumatic clamping jaw 15 acts, the blocking plate 18 descends after the two feeding clamping jaws 16 clamp the steel pipe, then the feeding driving mechanism 14 sends the right end of the steel pipe into the auxiliary chuck 6 after penetrating through the main chuck 2 according to the designed length, and finally, subsequent processing is carried out.

As shown in fig. 4, the upper portion of the blocking frame 17 is provided with a sliding slot with opposite openings, and the blocking plate 18 is slidably mounted in the sliding slot.

In the use process, through the arrangement, in the up-and-down movement process of the blocking plate 18, the left side surface of the blocking plate 18 can be perpendicular to the end surface of the steel pipe, and the precision of the steel pipe transportation length is improved.

As shown in fig. 1 to 7, the fixed-length feeding assembly further includes a floating support 21 and floating pneumatic clamping jaws 22, the floating support 21 is arranged in front of the left side of the feeding frame 12, the floating pneumatic clamping jaws 22 are arranged on the upper portion of the floating support 21, the floating clamping jaws 23 are fixedly arranged on the upper portions of two clamping fingers of the floating pneumatic clamping jaws 22, floating clamping grooves 44 which are communicated from left to right are arranged on the upper portions of the two floating clamping jaws 23, openings of the two floating clamping grooves 44 are arranged oppositely, two pressing wheels 24 are rotatably arranged on the inner sides of each floating clamping groove 44 in an up-down symmetrical manner, and distances between the central axes of the four pressing wheels 24 and the central axis of the main chuck 2 are the same.

According to requirements, the floating pneumatic clamping jaw 22 is a parallel clamping jaw which is well known in the prior art, two clamping fingers of the floating pneumatic clamping jaw 22 are arranged at intervals in the front-back direction, and the floating clamping groove 44 is a trapezoidal groove with a notch width larger than a groove bottom width. In the use process, the four pressing wheels 24 can play a role in guiding and supporting the steel pipe, the load of the feeding clamping jaw 16 is reduced, the failure rate is reduced, the distances between the central axes of the four pressing wheels 24 and the central axis of the main chuck 2 are the same, the straightness of the central axis of the steel pipe, the central axis of the main chuck 2 and the central axis of the auxiliary chuck 6 can be improved, the circular runout of the pipe is reduced, and the processing quality of chamfers is improved.

As shown in fig. 1 to 7, the cutting mechanism includes a front tool post 25, a front bottom plate 27, a rear tool post 26, a rear bottom plate 28, a chamfering feed mechanism 29 and a cutting feed mechanism 30, the front bottom plate 27 is fixedly mounted on the upper side of the front portion of the bed 1 corresponding to the right position of the main chuck 2, the front tool post 25 is slidably mounted on the upper side of the front bottom plate 27 in the front-rear direction, a chamfering tool 31 is fixedly mounted on the upper portion of the front tool post 25, the chamfering feed mechanism 29 capable of moving the front tool post 25 forward and backward is disposed on the upper side of the front portion of the front bottom plate 27, the rear bottom plate 28 is fixedly mounted on the upper side of the rear portion of the bed 1 corresponding to the right position of the main chuck 2, the rear tool post 26 is slidably mounted on the upper side of the rear bottom plate 28 in the front-rear direction, a cutting tool 32 corresponding to the chamfering tool 31 is fixedly mounted on the upper portion of the rear tool post 26, and the cutting feed mechanism 30 capable of moving the rear tool post 26 is disposed on the upper side of the rear portion of the rear bottom plate 28.

According to the requirement, the cutting-off tool 32 and the chamfering tool 31 adopt standard replaceable blades and tool bodies, and simultaneously adopt a chip breaking design to prevent iron chips from being wound. In the use, through setting up chamfer feed mechanism 29 and cutting off feed mechanism 30, can cut the steel pipe of different specifications and chamfer, can also make its back-and-forth movement sword, chamfer sword 31 and cutting off cutter 32 correspond the setting, can make chamfer and cutting process go on in step, improve machining efficiency, the steel pipe atress is balanced when can also making cutting and chamfer, avoids serious deformation, can also improve the processingquality of steel pipe, avoids producing the burr and increases the process.

As shown in fig. 2, 3, 4 and 9, a chip discharge cover 33 with a rear side fixedly mounted together with a front side of the rear bottom plate 28 is fixedly mounted on the rear side of the front bottom plate 27, a front cutter outlet hole which is through from front to back is formed in the front side of the chip discharge cover 33 corresponding to the position of the chamfer cutter 31, a rear cutter outlet hole which is through from front to back is formed in the rear side of the chip discharge cover 33 corresponding to the position of the cutting cutter 32, a scraper conveyor 34 which is in a conveying direction from front to back from bottom to top and is located behind the lathe bed 1 at the rear end is arranged on the lower portion of the lathe bed 1 corresponding to the position below the chip discharge cover 33, and an aggregate trolley 35 is arranged below an outlet of the scraper conveyor 34.

The scraper conveyor 34 is of a known prior art and the aggregate trolley 35 is of a known prior art trolley for collecting scrap iron, as required. In the use, through setting up chip removal cover 33, can concentrate the entry end to scraper conveyor 34 with the sweeps in the cutting process, the sweeps is falling into the dolly 35 that gathers materials by scraper conveyor 34 export in, concentrates and collects the waste material, keeps the clean and tidy of lathe bed 1, reduces the potential safety hazard, improves the operational environment.

As shown in the accompanying drawings 1, 3, 5, 6, 7 and 9, a material discharging base 36 is arranged on the rear side of the bed body 1 corresponding to the right side position of the rear bottom plate 28 in a left-right sliding mode, a sixth driving mechanism 37 capable of enabling the material discharging base 36 to move left and right is arranged on the rear side of the right side of the bed body 1, a material discharging frame 38 is arranged on the upper side of the rear portion of the material discharging base 36 in a front-back sliding mode, a material discharging driving mechanism 39 capable of enabling the material discharging frame 38 to move back and forth is arranged on the upper portion of the rear portion of the material discharging frame 36, material discharging pneumatic clamping jaws 40 are arranged on the upper portion of the material discharging frame 38, material discharging clamping jaws 41 are fixedly arranged on the front portions of two clamping jaws 40, material discharging clamping grooves penetrating left and right are formed in the front portions of the two clamping jaws, openings of the two material discharging clamping grooves are arranged oppositely, and a material discharging cylinder 42 is arranged on the upper portion of the material discharging frame 38 corresponding to the right side position of the material discharging pneumatic clamping jaws 40.

According to the requirement, the discharging pneumatic clamping jaw 40 is a parallel clamping jaw known in the prior art, two clamping fingers of the discharging pneumatic clamping jaw 40 are arranged at intervals up and down, the discharging clamping groove is a trapezoidal groove with the width of a groove opening larger than that of a groove bottom, and the discharging air cylinder 42 is a double-shaft air cylinder known in the prior art and having the model number of TN32 × 10S Suadeka. In the use process, through such setting, after the long material is cut, the sixth driving mechanism 37 can drive the discharging base 36 to move left and right to the middle of the long material, then the discharging driving mechanism 39 drives the discharging frame 38 to move forward, the discharging clamping jaws 41 clamp the long material under the action of the discharging pneumatic clamping jaws 40, then the clamping jaws are loosened by the auxiliary chuck 6, the discharging driving mechanism 39 drives the discharging frame 38 to move forward, the long material is conveyed to the front side, the discharging clamping jaws 41 loosen the long material, then the piston of the discharging air cylinder 42 extends out, the long material is pushed to the conveying belt or other stations, discharging automation is realized, and labor intensity is reduced.

As shown in fig. 1 to 7, the first driving mechanism 4 and the third driving mechanism 9 are both servo motors, output shafts of the two servo motors are respectively in transmission connection with the first main shaft 3 and the second main shaft 8, the second driving mechanism 5 and the fourth driving mechanism 10 are both rotary hydraulic cylinders, the fifth driving mechanism 11, the sixth driving mechanism 37, the feeding driving mechanism 14, the chamfering feeding mechanism 29, the cutting feeding mechanism 30 and the discharging driving mechanism 39 are all screw rod slider mechanisms, and screw rod end portions of the screw rod slider mechanisms are in transmission connection with output shaft end portions of the driving motors.

According to requirements, an output shaft of a servo motor of the first driving mechanism 4 is in transmission connection with the first main shaft 3, an output shaft of a servo motor of the second driving mechanism 5 is in transmission connection with the second main shaft 8 through belt wheels, the end part of a screw rod of the screw rod sliding block mechanism is in transmission connection with the end part of the output shaft of the driving motor through a conventional well-known optical shaft coupler or belt wheel, the proximity switch 20 is electrically connected with the driving motor of the feeding driving mechanism 14, and the outer side of the upper part of the machine body 1 can be covered with a machine cover to enhance safety. In the use, through such setting, can make main chuck 2 and the synchronous rotation of vice chuck 6, reduce the moment of torsion that adds the steel pipe and receive man-hour, the life after the extension steel pipe processing, lead screw slider mechanism can increase the stationarity of removal in-process, precision when can also improving the removal, and then the machining precision of improvement steel pipe.

The technical feature groups form various embodiments of the utility model, and the utility model has strong adaptability and implementation effect, and can increase or decrease unnecessary technical features according to actual needs to meet the requirements of different situations.

Claims

1. The pipe cutting and chamfering machine is characterized by comprising a machine body, a main chuck component, an auxiliary chuck component, a cutting mechanism and a fixed-length feeding assembly, wherein the main chuck component capable of rotating with a steel pipe after the steel pipe can be loosened or clamped is arranged on the upper side of the left part of the machine body, the auxiliary chuck component capable of synchronously rotating the right end and the left part of the steel pipe after the steel pipe can be loosened or clamped is arranged on the upper side of the right part of the machine body, the fixed-length feeding assembly capable of enabling the right end of the steel pipe to penetrate through the main chuck component according to a set length and then be fed into the auxiliary chuck component is arranged on the left side of the machine body, and the cutting mechanism capable of simultaneously cutting and chamfering the steel pipe is arranged between the main chuck component and the auxiliary chuck component.

2. The pipe cutting and chamfering machine according to claim 1, wherein the main chuck assembly includes a main chuck, a first main spindle provided on an upper side of a left portion of the machine body, and a first driving mechanism provided on a left side of an upper portion of the machine body and driving the first main spindle to rotate, the main chuck is mounted on a right end of the first main spindle, a second driving mechanism controlling the main chuck to clamp or unclamp is mounted on a left end of the first main spindle, the sub chuck assembly includes a chuck base, a second main spindle, a sub chuck, a third driving mechanism and a fourth driving mechanism, the chuck base is slidably mounted on an upper side of a right portion of the machine body in a left-right direction, the second main spindle corresponding to the first main spindle is disposed in a middle portion of the chuck base, the third driving mechanism driving the second main spindle to rotate synchronously with the first main spindle is disposed on the upper portion of the chuck base, the sub chuck corresponding to the main chuck is mounted on a left end of the second main spindle, the fourth driving mechanism controlling the sub chuck to clamp or unclamp is mounted on a right end of the second main spindle, and a fifth driving mechanism capable of driving the chuck base to move left and right is arranged at the right part of the lathe bed.

3. The pipe cutting and chamfering machine according to claim 2, wherein the fixed-length feeding assembly comprises a feeding frame, a feeding driving mechanism, feeding pneumatic clamping jaws and a sensing device, the feeding frame is fixedly installed on the left side of the rear portion of the machine body, a feeding seat is installed on the front side of the feeding frame in a left-right sliding manner, the feeding driving mechanism for enabling the feeding seat to move left and right is arranged on the left side of the feeding frame, the feeding pneumatic clamping jaws are installed on the front side of the feeding seat, the feeding clamping jaws are fixedly installed on the front portions of two clamping fingers of the feeding pneumatic clamping jaws, feeding clamping grooves which are communicated left and right are formed in the front portions of the two feeding clamping jaws, openings of the two feeding clamping grooves are oppositely arranged, the sensing device is arranged on the front side of the left portion of the feeding frame and comprises a blocking frame, a blocking plate and an approach switch, the blocking frame is fixedly installed on the front side of the left portion of the feeding frame, a blocking cylinder is fixedly installed on the right side of the upper portion of the blocking frame, the blocking plate is fixedly installed on the upper end of a piston rod of the blocking cylinder, and the upper end of the blocking frame corresponding to the left side of the blocking plate is provided with a proximity switch, and the proximity switch is electrically connected with the feeding driving mechanism.

4. The pipe cutting and chamfering machine according to claim 3, wherein the fixed-length feeding assembly further comprises a floating support and floating pneumatic clamping jaws, the floating support is arranged in front of the left side of the feeding frame, the floating pneumatic clamping jaws are arranged on the upper portion of the floating support, the floating clamping jaws are fixedly arranged on the upper portions of the two clamping fingers of the floating pneumatic clamping jaws, floating clamping grooves which are communicated from left to right are formed in the upper portions of the two floating clamping jaws, openings of the two floating clamping grooves are oppositely arranged, two pressing wheels are rotatably arranged on the inner sides of each floating clamping groove in an up-and-down symmetrical mode, and the distances between the central axes of the four pressing wheels and the central axis of the main chuck are the same.

5. The pipe cutting and chamfering machine according to claim 2, 3 or 4, wherein the cutting mechanism includes a front cutter holder, a front base plate, a rear cutter holder, a rear base plate, a chamfering feed mechanism and a cutting feed mechanism, the front base plate is fixedly mounted on the upper side of the front portion of the machine body corresponding to the right position of the main chuck, the front cutter holder is slidably mounted on the upper side of the front base plate in the front-rear direction, the chamfering cutter is fixedly mounted on the upper side of the front portion of the front cutter holder, the chamfering feed mechanism capable of moving the front cutter holder back and forth is provided on the upper side of the front portion of the main chuck, the rear base plate is fixedly mounted on the upper side of the rear portion of the machine body corresponding to the right position of the main chuck, the rear cutter holder is slidably mounted on the upper side of the rear base plate in the front-rear direction, the cutting feed mechanism capable of moving the rear cutter holder back and forth is provided on the upper side of the rear portion of the rear base plate.

6. The pipe cutting and chamfering machine according to claim 5, wherein a chip removal cover with a rear side fixedly mounted with a front side of the rear bottom plate is fixedly mounted on the rear side of the front bottom plate, a front cutter outlet hole penetrating through the front and rear sides is formed in the front side of the chip removal cover corresponding to the position of the chamfering cutter, a rear cutter outlet hole penetrating through the front and rear sides is formed in the rear side of the chip removal cover corresponding to the position of the cutting cutter, a scraper conveyor with a conveying direction from front to rear and from bottom to top and a rear end located behind the scraper conveyor is arranged on the lower portion of the machine body corresponding to the position below the chip removal cover, and a material collecting trolley is arranged below an outlet of the scraper conveyor.

7. The pipe cutting and chamfering machine according to claim 5, characterized in that a discharging base is installed on the rear side of the machine body corresponding to the right side position of the rear bottom plate in a left-right sliding manner, a sixth driving mechanism capable of enabling the discharging base to move left and right is arranged on the rear side of the right side of the machine body, a discharging frame is installed on the upper side of the discharging base in a front-back sliding manner, a discharging driving mechanism capable of enabling the discharging frame to move back and forth is arranged on the upper side of the rear portion of the discharging base, discharging pneumatic clamping jaws are installed on the upper portion of the discharging frame, discharging clamping jaws are fixedly installed on the front portions of two clamping fingers of the discharging pneumatic clamping jaws, discharging clamping grooves which are communicated left and right are formed in the front portions of the two discharging clamping jaws, openings of the two discharging clamping grooves are arranged oppositely, and a discharging cylinder is installed on the upper portion of the discharging frame corresponding to the right side position of the discharging pneumatic clamping jaws.

8. The pipe cutting and chamfering machine according to claim 6, characterized in that a discharging base is installed on the rear side of the machine body corresponding to the right side position of the rear bottom plate in a left-right sliding manner, a sixth driving mechanism capable of enabling the discharging base to move left and right is arranged on the rear side of the right side of the machine body, a discharging frame is installed on the upper side of the discharging base in a front-back sliding manner, a discharging driving mechanism capable of enabling the discharging frame to move back and forth is arranged on the upper side of the rear portion of the discharging base, discharging pneumatic clamping jaws are installed on the upper portion of the discharging frame, discharging clamping jaws are fixedly installed on the front portions of two clamping fingers of the discharging pneumatic clamping jaws, discharging clamping grooves which are communicated left and right are formed in the front portions of the two discharging clamping jaws, openings of the two discharging clamping grooves are arranged oppositely, and a discharging cylinder is installed on the upper portion of the discharging frame corresponding to the right side position of the discharging pneumatic clamping jaws.

9. The pipe cutting and chamfering machine according to claim 7, wherein the first driving mechanism and the third driving mechanism are both servo motors, output shafts of the two servo motors are respectively in transmission connection with the first main shaft and the second main shaft, the second driving mechanism and the fourth driving mechanism are both rotary hydraulic cylinders, the fifth driving mechanism, the sixth driving mechanism, the feeding driving mechanism, the chamfering feeding mechanism, the cutting feeding mechanism and the discharging driving mechanism are all screw rod and slider mechanisms, and screw rod ends of the screw rod and slider mechanisms are in transmission connection with output shaft ends of the driving motors.

10. The pipe cutting and chamfering machine according to claim 8, wherein the first driving mechanism and the third driving mechanism are both servo motors, output shafts of the two servo motors are respectively in transmission connection with the first main shaft and the second main shaft, the second driving mechanism and the fourth driving mechanism are both rotary hydraulic cylinders, the fifth driving mechanism, the sixth driving mechanism, the feeding driving mechanism, the chamfering feeding mechanism, the cutting feeding mechanism and the discharging driving mechanism are all screw rod and slider mechanisms, and screw rod ends of the screw rod and slider mechanisms are in transmission connection with output shaft ends of the driving motors.