Automatic feeding, chamfering, drilling and tapping all-in-one machine for round pipes

Abstract

The utility model belongs to production equipment of an electric push rod, and particularly relates to integrated equipment for chamfering, drilling and tapping a pipe fitting of the electric push rod, which comprises an automatic feeding mechanism, and a chamfering mechanism, a drilling mechanism and a tapping mechanism which are arranged at the upper end of a machine base, the stand column, the angle iron, the cross beam, the sliding assembly, the driving cross beam, the transverse guide rail mounting plate, the transverse guide rail, the four grabbing assemblies, the linkage rod, the transverse driving air cylinder and the longitudinal driving air cylinder are arranged on the mounting bottom plate. According to the automatic feeding, chamfering, drilling and tapping all-in-one machine for the round pipe, automatic operation of the round pipe can be achieved, manual operation is not needed, production efficiency is improved, and product quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to production equipment of an electric push rod, in particular to an integrated equipment for chamfering, drilling and tapping pipe fittings of the electric push rod. Background Art

[0002] During the production process of electric push rod pipe fittings, it is necessary to chamfer, drill holes on the sides, and tap the inner wall of one end of the pipe fittings. In the prior art, during the production process, the above production process steps are generally performed in steps, which requires three workers and three corresponding processing equipment. There are many steps in the process, and the labor intensity of manual drilling, tapping, and chamfering is high. At the same time, since the entire process is manual, it is affected by the proficiency, mood, and fatigue of the personnel, and there are problems such as low production capacity and poor product quality stability. Moreover, since there is no waste chip collection device for manual drilling, tapping, and chamfering, the workstations are full of wood chips and iron chips, which are inconvenient to clean, resulting in a relatively dirty working environment. In order to meet the needs of automated production of enterprises, it is necessary to design an automatic feeding, chamfering, drilling, and tapping machine for round tubes. Summary of the invention

[0003] In view of the shortcomings of the prior art, the utility model designs an automatic feeding, chamfering, drilling and tapping machine for round tubes, which can realize the automated operation of round tubes without the need for human operation, improves production efficiency and ensures product quality.

[0004] The technical solution of the utility model is as follows:

[0005] The machine for automatic feeding, chamfering, drilling and tapping of round tubes comprises a machine base, an automatic feeding mechanism is arranged beside the machine base, a mounting base plate is arranged at the upper end of the machine base, a chamfering mechanism, a drilling mechanism and a tapping mechanism are arranged on the mounting base plate in sequence from close to the automatic feeding mechanism to far away from the automatic feeding mechanism, the mounting base plate is respectively provided with columns on the side of the chamfering mechanism and the side of the tapping mechanism, the upper ends of the two columns are respectively provided with angle irons, and also comprises a cross beam connected between the two columns, a sliding assembly is arranged on the surface of the angle iron along the length direction of the angle iron, and also comprises a driving cross beam fixed on the two sliding assemblies, a transverse guide rail mounting plate is arranged on the side of the driving cross beam, a transverse guide rail is fixed on the transverse guide rail mounting plate, four grabbing assemblies are slidably connected to the transverse guide rail, a transverse driving cylinder is fixed on the driving cross beam, a linkage rod is fixed on the output end of the transverse driving cylinder, the four grabbing assemblies are all fixedly connected to the linkage rod, a longitudinal driving cylinder is also arranged on the cross beam, and the output end of the longitudinal driving cylinder is connected to the driving cross beam.

[0006] Furthermore, the automatic loading mechanism includes a base, a material storage box is provided at the upper end of the base, a first material storage area and a second material storage area are provided in the material storage box, a material receiving plate with a material receiving groove is provided on the side wall of the material storage box, a first material dividing mechanism for lifting the workpiece from the first material storage area to the second material storage area is provided on the base, an inclined material guide plate is connected between the material receiving plate and the second material storage area, the base is also provided with a second material dividing mechanism for lifting a single workpiece from the second material storage area to the inclined material guide plate, a fixed plate is also fixed on the side wall of the material storage box below the material receiving plate, an adjusting plate whose position can be adjusted is connected to the fixed plate, a pushing cylinder is fixed on the adjusting plate, a pushing plate is connected to the pushing cylinder, and the pushing plate fits in the material receiving groove of the material receiving plate.

[0007] Furthermore, a parallel first cylinder and a second cylinder are provided between the two ends of the storage box in the length direction, and also includes a material dividing partition, which is slidably connected to the first cylinder and the second cylinder. A locking nut is also provided on the material dividing partition, and when the material dividing partition needs to be fixed, the locking nut abuts against the first cylinder.

[0008] Furthermore, the first material dividing mechanism includes a plurality of first material dividing holes arranged at the connection between the first material storage area and the second material storage area, a group of first material dividing cylinders are provided on the base below the material storage box, the upper end of the first material dividing cylinder is provided with a first material dividing bottom plate, the first material dividing bottom plate is provided with a plurality of first material dividing plates, the first material dividing plates correspond to the first material dividing holes one by one, the upper end of the first material dividing plate is an inclined surface, two material dividing fixing plates are provided on the second cylinder, a material dividing baffle is connected to the material dividing fixing plate, the end of the material dividing baffle is flush with the lower end of the first material dividing plate, a driving cylinder is provided on the outer wall of the material storage box, and also includes a swing arm fixedly connected to the second cylinder, and the movable end of the driving cylinder is connected to the swing arm through a pin shaft.

[0009] Furthermore, the second material dividing mechanism includes a plurality of second material dividing holes arranged at the connection between the second material storage area and the material receiving plate, the second material dividing holes span the second material storage area and the material receiving plate, a group of second material dividing cylinders are provided on the base below the material storage box, a second material dividing bottom plate is provided on the upper end of the second material dividing cylinder, a plurality of second material dividing plates are provided on the second material dividing bottom plate, the second material dividing plates correspond one to one with the second material dividing holes, the upper end of the second material dividing plate includes an inclined surface and a V-shaped groove, the inclined surface is located in the second material storage area, and the V-shaped groove is located in the material receiving plate.

[0010] Furthermore, the chamfering mechanism includes a chamfering clamping mechanism and a chamfering processing mechanism, the chamfering clamping mechanism includes a clamping base fixedly connected to the mounting base plate, a clamping lower base is fixed on the clamping base, step surfaces are respectively provided at both ends of the clamping lower base, a clamping connecting plate is fixed on the vertical surface of the step surface, the upper ends of the two clamping connecting plates are connected to a clamping upper plate, the lower surface of the clamping upper plate located between the two clamping connecting plates and the upper surface of the clamping lower base are both provided with guide grooves, and also includes two symmetrical clamping mounting blocks, the clamping mounting blocks are located between the two clamping mounting blocks The mounting plates are slidably fitted in the guide grooves at the upper and lower ends. Semicircular mounting grooves are provided on the opposite surfaces of the two clamping mounting blocks. A semicircular sunken step surface connected to the mounting groove is provided on the surface of the clamping mounting block. The clamping die also includes a semicircular clamping die body and a semicircular connecting edge extending from one end of the clamping die body. The clamping die body fits in the mounting groove, and the connecting edge fits in the sunken step surface and is fixed by fasteners. Clamping cylinders are respectively provided on the outer sides of the clamping connecting plates, and the clamping cylinders are connected to the clamping mounting blocks.

[0011] Furthermore, the chamfering processing mechanism includes a first power base plate fixedly connected to the mounting base plate, a group of parallel slide rails are provided on the first power base plate, a first sliding plate is connected to the slide rails, the chamfering motor is fixedly arranged on the first sliding plate, a first feed cylinder is provided on the mounting base plate next to the first power base plate, the output end of the first feed cylinder is connected to the first sliding plate, and a limit damper is also provided on the first power base plate.

[0012] Furthermore, the drilling mechanism includes a drilling processing mechanism and a workpiece conveying mechanism, the drilling processing mechanism includes a drilling fixing frame fixed on the mounting base plate, a drilling mounting plate is fixed on the side of the drilling fixing frame, a lifting mechanism that can move up and down is provided on the drilling mounting plate, a drilling motor mounting plate is fixed on the lifting mechanism, the drilling motor is fixed on the drilling motor mounting plate, the workpiece conveying mechanism includes a guide rail mounting block arranged on the mounting base plate, the guide rail is arranged on the upper surface of the guide rail mounting block, and also includes a drilling lower die seat arranged on the guide rail, a drilling lower die base plate is provided on the drilling lower die seat, drilling connecting plates are respectively provided at both ends of the drilling lower die base plate, a dovetail guide rail is provided on the upper surface of the drilling lower die base plate, and also includes a A symmetrical drilling fixture mounting block is provided, and a dovetail groove is provided at the lower end of the drilling fixture mounting block, which cooperates with the dovetail guide rail. A drilling fixture mounting groove is provided on the opposite surface of the drilling fixture mounting block, and a sunken step surface connected to the drilling fixture mounting groove is provided on the surface of the drilling fixture mounting block. The drilling fixture includes a semicircular drilling fixture body and a semicircular connecting edge connected thereto, the drilling fixture body cooperates in the drilling fixture mounting groove, and the connecting edge cooperates and is fixed in the sunken step surface. A drilling clamping cylinder is fixed on the outer wall of the drilling connecting plate, and the output end of the drilling clamping cylinder is connected to the drilling fixture mounting block. A shift cylinder is also provided on the mounting base plate, and the output end of the shift cylinder is connected to the drilling lower die seat.

[0013] Furthermore, the tapping mechanism includes a workpiece clamping and positioning mechanism and a tapping mechanism. The tapping mechanism includes a tapping base fixed on the mounting base, a group of parallel guide rails are provided on the tapping base, a tapping sliding plate is slidably connected to the guide rails, a tapping sliding plate is provided on the tapping sliding plate, a tapping motor is fixedly connected to the tapping fixed plate, a tapping feed motor is also provided on the mounting base, and the tapping feed motor is connected to the tapping sliding plate through a screw mechanism. The workpiece clamping and positioning mechanism includes a tapping base fixedly connected to the mounting base, an upper surface of the tapping base is provided with a mounting groove, and also includes a tapping clamp base, the lower end of the tapping clamp base is fixed in the mounting groove, a mounting through hole is provided on the tapping clamp base, and a pneumatic clamp is fixed in the mounting through hole.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. The utility model is a fully automatic equipment. Starting from the loading of round tubes, the transverse driving cylinder is used to drive four grabbing components to realize the flow of workpieces between different processing stations, and the longitudinal driving cylinder is set to adjust the longitudinal position of the grabbing components to realize the separation of the workpiece and the fixture on the processing station. Furthermore, the longitudinal driving cylinder can also realize the longitudinal movement of the driving beam to meet the processing requirements of pipes of different lengths and has a better scope of application.

[0016] 2. The chamfering mechanism, drilling mechanism and tapping mechanism of the utility model are all automatically controlled and do not require human operation, which reduces the labor intensity of workers, improves production efficiency and meets the needs of automated production of production lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a front view schematic diagram of the utility model;

[0019] Figure 3 It is a top view schematic diagram of the utility model;

[0020] Figure 4 It is a cutaway stereoscopic schematic diagram of the automatic feeding mechanism;

[0021] Figure 5 is another cutaway perspective schematic diagram of the automatic feeding mechanism;

[0022] Figure 6 It is a three-dimensional schematic diagram of the machine base and the chamfering mechanism, the drilling mechanism and the tapping mechanism;

[0023] Figure 7 A three-dimensional schematic diagram of the machine base and the chamfering mechanism, the drilling mechanism and the tapping mechanism from another perspective;

[0024] Figure 8 for Figure 7 The enlarged schematic diagram of point A in the middle;

[0025] Fig. 9 is a three-dimensional schematic diagram of a clamping mounting block;

[0026] Fig.10 is a schematic cross-sectional view along the central axis of the chamfering mechanism;

[0027] Fig.11 for Figure 7 The enlarged schematic diagram of point B in the middle;

[0028] Fig.12 is a schematic cross-sectional view along the central axis of the drilling mechanism;

[0029] Fig.13 for Figure 7 The enlarged schematic diagram of the center C;

[0030] Fig.14 is a schematic cross-sectional view along the central axis of the tapping mechanism; DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0032] It should be noted that when an element is referred to as being "disposed on" or "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "fixed on" another element, or "fixedly connected" to another element, they may be fixed in a detachable manner or in a non-detachable manner. When an element is considered to be "connected" or "rotatably connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used are for illustrative purposes only and do not represent the only implementation method.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to restrict the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] The terms “first”, “second”, “third” and the like in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0035] See also Figures 1 to 5As shown, the automatic feeding chamfering, drilling and tapping integrated machine for round tubes comprises a machine base 1, which is a square three-dimensional frame formed by overlapping aluminum alloy profiles. An automatic feeding mechanism 2 is arranged next to the machine base 1, and a mounting base plate 10 is arranged at the upper end of the machine base 1. A chamfering mechanism 3, a drilling mechanism 4 and a tapping mechanism 5 are arranged on the mounting base plate 10 in sequence from close to the automatic feeding mechanism to far away from the automatic feeding mechanism. The mounting base plate 10 is respectively provided with columns 11 on the side of the chamfering mechanism and the side of the tapping mechanism, and angle irons 12 are respectively arranged at the upper ends of the two columns 11, and also includes a crossbeam 13 connected between the two columns 11, and a crossbeam 13 is arranged along the length direction of the angle iron. A sliding assembly 120 is provided on the surface of the angle iron, and also includes a driving beam 14 fixed on the two sliding assemblies 120, a transverse guide rail mounting plate 140 is provided on the side of the driving beam 14, a transverse guide rail 141 is fixed on the transverse guide rail mounting plate 140, four grabbing assemblies 15 are slidably connected to the transverse guide rail, a transverse driving cylinder 142 is fixed on the driving beam 14, a linkage rod 143 is fixed on the output end of the transverse driving cylinder 142, the four grabbing assemblies 15 are all fixedly connected to the linkage rod, and a longitudinal driving cylinder 130 is also provided on the beam 13, and the output end of the longitudinal driving cylinder 130 is connected to the driving beam 14.

[0036] The utility model designs an automatic feeding, chamfering, drilling and tapping integrated machine for round tubes. The automatic feeding mechanism can transfer the workpiece to be processed from the material bin to the place to be clamped, and then clamp the workpiece through the grabbing assembly, and drive four grabbing assemblies to move along the horizontal guide rail through the horizontal driving cylinder to realize the switching of the workpiece between different processing stations, and can drive all mechanisms connected to the driving beam to move longitudinally through the longitudinal driving cylinder, on the one hand, the workpiece can be brought close to and away from the clamping mechanisms of each processing station, and on the other hand, it can be adjusted according to the length of the workpiece, so as to meet the applicable needs of workpieces of different lengths, so that the equipment has a better range of application.

[0037] The automatic feeding mechanism is described here, see Figures 1 to 5As shown, the automatic feeding mechanism 2 includes a base 20, which is also a square three-dimensional component formed by overlapping aluminum alloy profiles. A storage box 21 is provided at the upper end of the base 20, and a first storage area 210 and a second storage area 211 are provided in the storage box 21. The first storage area and the second storage area are respectively used to store workpieces. A receiving plate 22 with a receiving groove 220 is provided on the side wall of the storage box 21. A first material dividing mechanism 23 for lifting the workpiece from the first storage area to the second storage area is provided on the base 20, and an inclined material guide plate 24 is connected between the receiving plate 22 and the second storage area 211. The base 20 is also provided with a second material dividing mechanism 23 for lifting a single workpiece from the second storage area to the inclined material guide plate 5. A fixing plate 26 is also fixed on the side wall of the material storage box below the receiving plate 22, and an adjusting plate 27 whose position can be adjusted is connected to the fixing plate 26. A pushing cylinder 28 is fixed on the adjusting plate 27, and a pushing plate 280 is connected to the pushing cylinder. The pushing plate 280 cooperates in the receiving slot 220 of the receiving plate. The automatic feeding mechanism realizes the flow of workpieces between different storage areas through the first dividing mechanism and the second dividing mechanism. When the workpiece flows out from the second storage area onto the inclined material guide plate, the workpiece will roll down along the surface of the inclined material guide plate into the receiving slot of the receiving plate, and then the pushing cylinder works to push the workpiece forward in the receiving slot through the pushing plate, so that the workpiece moves to the bottom of the grabbing assembly, which is convenient for the grabbing assembly to clamp the workpiece.

[0038] See also Figures 3 to 5 As shown, a parallel first cylinder 212 and a second cylinder 213 are provided between the two ends of the material storage box 21 in the length direction, and a material dividing partition 214 is also provided. The material dividing partition 214 is slidably connected to the first cylinder 212 and the second cylinder 213. A locking nut 215 is also provided on the material dividing partition 214. When the material dividing partition needs to be fixed, the locking nut abuts against the first cylinder 212. The space in the material storage box is divided by the additional material dividing partition so that the length of the material storage box is the same as the length of the workpiece, so that the problem of the workpiece being placed in disorder in the material storage box due to the length of the workpiece being smaller than the length of the material storage box will not occur. Furthermore, it is also convenient for the first material dividing mechanism and the second material dividing mechanism to accurately push and separate the workpiece, thereby realizing the stable flow of the workpiece in each storage area.

[0039] See also Figures 3 to 5As shown, the first material dividing mechanism 23 includes a plurality of first material dividing holes 230 arranged at the connection between the first material storage area and the second material storage area, a group of first material dividing cylinders 231 are provided on the base 20 located below the material storage box, the upper end of the first material dividing cylinder 231 is provided with a first material dividing bottom plate 232, and the first material dividing bottom plate 232 is provided with a plurality of first material dividing plates 233, the first material dividing plates 233 correspond to the first material dividing holes one by one, and the upper end of the first material dividing plate 233 is an inclined surface 2330, where the first material dividing plate is driven up and down by the first material dividing cylinder, and since the upper end of the first material dividing plate is an inclined surface, the workpiece will fall between the upper end of the first material dividing plate and the connecting wall plate of the first material storage area and the second material storage area , and follows the upward movement of the first dividing plate to be transferred from the first storage area to the second storage area, the second cylinder 213 is provided with two dividing fixed plates 2130, and the dividing fixed plates 2130 are connected with dividing baffles 2131, and the end of the dividing baffles 2131 is flush with the lower end of the first dividing plate, and a driving cylinder 216 is provided on the outer wall of the storage box 21, and also includes a swing arm 2160 fixedly connected to the second cylinder, and the movable end of the driving cylinder is connected to the swing arm by a pin shaft. Here, the second cylinder is driven to rotate by the driving cylinder, thereby driving the dividing baffles to approach and move away from the first dividing plate, so as to control the number of workpieces entering the second storage area from the first storage area, and avoid the accumulation of workpieces.

[0040] See also Figures 3 to 5 As shown, the second material dividing mechanism 25 includes a plurality of second material dividing holes 250 arranged at the connection between the second material storage area and the material receiving plate, the second material dividing holes 250 span the second material storage area and the material receiving plate, a group of second material dividing cylinders 251 are arranged on the base below the material storage box, the upper end of the second material dividing cylinder 251 is provided with a second material dividing bottom plate 252, and the second material dividing bottom plate 252 is provided with a plurality of second material dividing plates 253, the second material dividing plates 253 correspond to the second material dividing holes 250 one by one, and the upper end of the second material dividing plate 253 includes an inclined surface 2530 and a V-shaped groove 2531, the inclined surface 2530 is located in the second material storage area, the V-shaped groove is located in the receiving plate, the second material dividing mechanism is used to transfer the workpiece in the second material storage area to the inclined material guide plate, the second material dividing cylinder drives the second material dividing plate to move up and down, the inclined surface on the upper end of the second material dividing plate can lift the workpiece upward from the second material storage area, when the workpiece is higher than the receiving plate, under the action of the inclined surface, the workpiece will move to the V-shaped groove on the upper end of the second material dividing plate, when the second material guide plate descends, the workpiece will fall on the inclined material guide plate, and then roll along the inclined material guide plate into the receiving trough.

[0041] See also Figures 6 to 10As shown, the chamfering mechanism 3 includes a chamfering clamping mechanism 30 and a chamfering processing mechanism 31, the chamfering clamping mechanism 30 includes a clamping base 301 fixedly connected to the mounting base 10, a clamping lower base 302 is fixed on the clamping base 301, step surfaces 3020 are respectively provided at both ends of the clamping lower base 302, clamping connecting plates 303 are fixed on the vertical surfaces of the step surfaces 3020, the upper ends of the two clamping connecting plates 303 are connected to a clamping upper plate 304, the lower surface of the clamping upper plate 304 located between the two clamping connecting plates 303 and the upper surface of the clamping lower base are both provided with guide grooves 3030, and also include two symmetrical clamping mounting blocks 305, the clamping mounting block 305 is located between the two clamping mounting plates and the upper and lower ends are slidably fitted in the guide grooves, the opposite surfaces of the two clamping mounting blocks 305 are provided with semicircular mounting grooves 306, The surface is provided with a semicircular sunken step surface 307 connected to the mounting groove, and also includes a clamping die 308, the clamping die includes a semicircular clamping die body 3080, and a semicircular connecting edge 309 extending at one end of the clamping die body 3080, the clamping die body fits in the mounting groove, and the connecting edge fits in the sunken step surface and is fixed by fasteners, and the outer sides of the clamping connecting plates are respectively provided with clamping cylinders 3031, which are connected to the clamping mounting blocks. The chamfering clamping mechanism of the chamfering mechanism is defined here, and the clamping cylinder is used to drive the clamping mounting block to move to realize the opening and closing of the clamping die. When the clamping die is opened, there is a large gap between the two clamping dies to facilitate the entry of the workpiece. When the clamping die is closed, the workpiece is fixed and positioned by the clamping die to facilitate subsequent chamfering processing, and the movement of the clamping mounting block is guided by the guide groove to make the movement of the clamping mounting block smooth.

[0042] The chamfering processing mechanism 31 includes a first power base plate 310 fixedly connected to the mounting base plate, a group of parallel slide rails 311 are provided on the first power base plate 310, a first sliding plate 312 is connected to the sliding rail 311, a chamfering motor 313 is fixedly arranged on the first sliding plate 312, a first feed cylinder 314 is provided on the mounting base plate 10 located next to the first power base plate, an output end of the first feed cylinder 314 is connected to the first sliding plate 312, and a limit damper 315 is also provided on the first power base plate 310, where the first sliding plate is driven by the first feed cylinder to move and drive the chamfering motor to move toward the workpiece, during the movement, the connection between the first feed cylinder and the first sliding plate will contact the limit damper, slowing down the movement speed of the first sliding plate, so that the chamfering motor can stably contact with the workpiece for processing, and the surface processing is completed when the limit of the limit damper is reached, and then the first feed cylinder is reset to drive the chamfering motor to reset.

[0043] See also Figure 6 , Figure 7 , Fig.11 and Fig.12 As shown, the drilling mechanism 4 includes a drilling processing mechanism 40 and a workpiece conveying mechanism 41. The drilling processing mechanism 40 includes a drilling fixing frame 401 fixed on the mounting base plate 10. A drilling mounting plate 402 is fixed to the side of the drilling fixing frame 401. A lifting mechanism 403 that can move up and down is provided on the drilling mounting plate 402. The lifting mechanism is a commonly used lifting mechanism of a screw rod and a guide rail. A drilling motor mounting plate 404 is fixed to the lifting mechanism 403. The drilling motor 405 is fixed to the The workpiece conveying mechanism 41 is fixed on the drilling motor mounting plate, and includes a guide rail mounting block 410 arranged on the mounting base plate 10, a guide rail 411 arranged on the upper surface of the guide rail mounting block, and also includes a drilling lower die seat 412 arranged on the guide rail, a drilling lower die base plate 413 is provided on the drilling lower die base 412, drilling connecting plates 414 are respectively provided at both ends of the drilling lower die base plate 413, and a dovetail guide rail 415 is provided on the upper surface of the drilling lower die base plate 413, and also includes a set of symmetrical drilling fixtures The mounting block 416, the lower end of the drilling fixture mounting block 416 is provided with a dovetail groove, the dovetail groove cooperates with the dovetail guide rail, the opposite surface of the drilling fixture mounting block 416 is provided with a drilling fixture mounting groove 4160, the surface of the drilling fixture mounting block is provided with a sinking step surface 4161 connected to the drilling fixture mounting groove, the drilling fixture 417 includes a semicircular drilling fixture body and a semicircular connecting edge connected thereto, the drilling fixture body cooperates in the drilling fixture mounting groove, and the connecting edge cooperates and is fixed in the sinking step surface, a drilling clamping cylinder 418 is fixed on the outer wall of the drilling connecting plate, and the output end of the drilling clamping cylinder is connected to the drilling fixture mounting block, and a shift cylinder 419 is also provided on the mounting base, and the output end of the shift cylinder is connected to the drilling lower die seat, the drilling mechanism is described in detail here, the workpiece conveying mechanism is used to clamp and fix the workpiece on the one hand, and on the other hand, the clamped workpiece is conveyed to the bottom of the drilling processing mechanism through the shift cylinder, Then the lifting mechanism of the drilling processing mechanism works, driving the drilling motor to descend to complete the drilling of the workpiece. After the drilling is completed, the lifting mechanism is reset and the shift cylinder is also reset.

[0044] See also Figure 6 , Figure 7 , Fig.13 and Fig.14As shown, the tapping mechanism 5 includes a workpiece clamping and positioning mechanism 50 and a tapping mechanism 51, the tapping mechanism 51 includes a tapping base plate 510 fixed on the mounting base plate, a group of parallel guide rails 511 are provided on the tapping base plate 510, a tapping sliding plate 512 is slidably connected to the guide rails 511, a tapping fixed plate 513 is provided on the tapping sliding plate 512, a tapping motor 514 is fixedly connected to the tapping fixed plate 513, a tapping feed motor 515 is also provided on the mounting base plate 10, and the tapping feed motor 515 is connected to the tapping sliding plate 512 through a screw mechanism, the workpiece clamping and positioning mechanism 50 includes a tapping base 501 fixedly connected to the mounting base plate, and a tapping The upper surface of the tapping base 501 is provided with a mounting groove 502, and also includes a tapping clamp base 503. The lower end of the tapping clamp base 503 is fixed in the mounting groove 502. The tapping clamp base 503 is provided with a mounting through hole, and the pneumatic clamp 504 is fixed in the mounting through hole. The workpiece is clamped here by the pneumatic clamp, and the pneumatic clamp fixes the workpiece axially and circumferentially. Then, the tapping motor approaches the workpiece under the drive of the tapping feed motor and completes the tapping process. After the tapping process is completed, the grabbing assembly clamps the workpiece, and the pneumatic clamp is released. Then, the grabbing assembly moves with the cooperation of the longitudinal drive cylinder and the transverse drive cylinder to complete the flow of the workpiece processing station.

[0045] In summary, the utility model has the following beneficial effects:

[0046] 1. The utility model is a fully automatic equipment. Starting from the loading of round tubes, the transverse driving cylinder is used to drive four grabbing components to realize the flow of workpieces between different processing stations, and the longitudinal driving cylinder is set to adjust the longitudinal position of the grabbing components to realize the separation of the workpiece and the fixture on the processing station. Furthermore, the longitudinal driving cylinder can also realize the longitudinal movement of the driving beam to meet the processing requirements of pipes of different lengths and has a better scope of application.

[0047] 2. The chamfering mechanism, drilling mechanism and tapping mechanism of the utility model are all automatically controlled and do not require human operation, which reduces the labor intensity of workers, improves production efficiency and meets the needs of automated production of production lines.

[0048] Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

Claims

1. A round tube automatic feeding, chamfering, drilling and tapping integrated machine, comprising a machine base, characterized in that: An automatic feeding mechanism is provided next to the machine base, and a mounting base plate is provided at the upper end of the machine base. A chamfering mechanism, a drilling mechanism and a tapping mechanism are provided on the mounting base plate in sequence from close to the automatic feeding mechanism to far away from the automatic feeding mechanism. The mounting base plate is provided with columns on the side of the chamfering mechanism and the side of the tapping mechanism, respectively. An angle iron is provided at the upper ends of the two columns, and also includes a beam connected between the two columns, a sliding assembly is provided on the surface of the angle iron along the length direction of the angle iron, and also includes a driving beam fixed on the two sliding assemblies, a transverse guide rail mounting plate is provided on the side of the driving beam, a transverse guide rail is fixed on the transverse guide rail mounting plate, four grabbing assemblies are slidably connected to the transverse guide rail, a transverse driving cylinder is fixed on the driving beam, a linkage rod is fixed on the output end of the transverse driving cylinder, and the four grabbing assemblies are fixedly connected to the linkage rod, and a longitudinal driving cylinder is also provided on the beam, and the output end of the longitudinal driving cylinder is connected to the driving beam.

2. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 1, characterized in that: The automatic feeding mechanism includes a base, a material storage box is provided at the upper end of the base, a first material storage area and a second material storage area are provided in the material storage box, a material receiving plate with a material receiving groove is provided on the side wall of the material storage box, a first material dividing mechanism for lifting the workpiece from the first material storage area to the second material storage area is provided on the base, an inclined material guide plate is connected between the material receiving plate and the second material storage area, the base is also provided with a second material dividing mechanism for lifting a single workpiece from the second material storage area to the inclined material guide plate, a fixed plate is also fixed on the side wall of the material storage box below the material receiving plate, an adjusting plate whose position can be adjusted is connected to the fixed plate, a pushing cylinder is fixed on the adjusting plate, a pushing plate is connected to the pushing cylinder, and the pushing plate fits in the material receiving groove of the material receiving plate.

3. The automatic round tube feeding, chamfering, drilling and tapping machine according to claim 2, characterized in that: A parallel first cylinder and a second cylinder are provided between the two ends of the material storage box in the length direction, and also includes a material dividing partition, which is slidably connected to the first cylinder and the second cylinder. A locking nut is also provided on the material dividing partition. When the material dividing partition needs to be fixed, the locking nut abuts against the first cylinder.

4. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 3, characterized in that: The first material dividing mechanism includes a plurality of first material dividing holes arranged at the connection between the first material storage area and the second material storage area, a group of first material dividing cylinders are provided on the base below the material storage box, a first material dividing bottom plate is provided on the upper end of the first material dividing cylinder, a plurality of first material dividing plates are provided on the first material dividing bottom plate, the first material dividing plates correspond to the first material dividing holes one by one, the upper end of the first material dividing plate is an inclined surface, two material dividing fixing plates are provided on the second cylinder, a material dividing baffle is connected to the material dividing fixing plate, the end of the material dividing baffle is flush with the lower end of the first material dividing plate, a driving cylinder is provided on the outer wall of the material storage box, and also includes a swing arm fixedly connected to the second cylinder, and the movable end of the driving cylinder is connected to the swing arm through a pin shaft.

5. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 4, characterized in that: The second material dividing mechanism includes a plurality of second material dividing holes arranged at the connection between the second material storage area and the material receiving plate, the second material dividing holes spanning the second material storage area and the material receiving plate, a group of second material dividing cylinders are provided on the base below the material storage box, a second material dividing bottom plate is provided on the upper end of the second material dividing cylinder, a plurality of second material dividing plates are provided on the second material dividing bottom plate, the second material dividing plates correspond one to one with the second material dividing holes, the upper end of the second material dividing plate includes an inclined surface and a V-shaped groove, the inclined surface is located in the second material storage area, and the V-shaped groove is located in the material receiving plate.

6. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 1, characterized in that: The chamfering mechanism includes a chamfering clamping mechanism and a chamfering processing mechanism, wherein the chamfering clamping mechanism includes a clamping base fixedly connected to the mounting base plate, a clamping lower base is fixed on the clamping base, step surfaces are respectively provided at both ends of the clamping lower base, a clamping connecting plate is fixed on the vertical surface of the step surface, the upper ends of the two clamping connecting plates are connected to a clamping upper plate, the lower surface of the clamping upper plate located between the two clamping connecting plates and the upper surface of the clamping lower base are both provided with guide grooves, and also includes two symmetrical clamping mounting blocks, the clamping mounting blocks are located between the two clamping mounting plates The upper and lower ends are slidably fitted in the guide groove, the opposite surfaces of the two clamping mounting blocks are provided with semicircular mounting grooves, and the surface of the clamping mounting block is provided with a semicircular sunken step surface connected to the mounting groove. It also includes a clamping mold, the clamping mold includes a semicircular clamping mold body, and a semicircular connecting edge extending from one end of the clamping mold body, the clamping mold body is fitted in the mounting groove, and the connecting edge is fitted in the sunken step surface and fixed by fasteners, and clamping cylinders are respectively provided on the outer sides of the clamping connecting plate, and the clamping cylinders are connected to the clamping mounting blocks.

7. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 6, characterized in that: The chamfering processing mechanism includes a first power base plate fixedly connected to the mounting base plate, a group of parallel slide rails are provided on the first power base plate, a first sliding plate is connected to the slide rails, the chamfering motor is fixedly arranged on the first sliding plate, a first feed cylinder is provided on the mounting base plate next to the first power base plate, the output end of the first feed cylinder is connected to the first sliding plate, and a limit damper is also provided on the first power base plate.

8. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 1, characterized in that: The drilling mechanism includes a drilling processing mechanism and a workpiece conveying mechanism, the drilling processing mechanism includes a drilling fixing frame fixed on the mounting base plate, a drilling mounting plate is fixed on the side of the drilling fixing frame, a lifting mechanism that can move up and down is provided on the drilling mounting plate, a drilling motor mounting plate is fixed on the lifting mechanism, and the drilling motor is fixed on the drilling motor mounting plate. The workpiece conveying mechanism includes a guide rail mounting block arranged on the mounting base plate, the guide rail is arranged on the upper surface of the guide rail mounting block, and also includes a drilling lower die seat arranged on the guide rail, a drilling lower die bottom plate is provided on the drilling lower die seat, drilling connecting plates are respectively provided at both ends of the drilling lower die bottom plate, a dovetail guide rail is provided on the upper surface of the drilling lower die bottom plate, and also includes a group of symmetrical A drilling fixture mounting block, a dovetail groove is provided at the lower end of the drilling fixture mounting block, the dovetail groove cooperates with the dovetail guide rail, a drilling fixture mounting groove is provided on the opposite surface of the drilling fixture mounting block, and a sinking step surface is provided on the surface of the drilling fixture mounting block that is connected to the drilling fixture mounting groove. The drilling fixture comprises a semicircular drilling fixture body and a semicircular connecting edge connected thereto, the drilling fixture body cooperates in the drilling fixture mounting groove, and the connecting edge cooperates and is fixed in the sinking step surface, a drilling clamping cylinder is fixed on the outer wall of the drilling connecting plate, and the output end of the drilling clamping cylinder is connected to the drilling fixture mounting block, and a shift cylinder is also provided on the mounting base plate, and the output end of the shift cylinder is connected to the drilling lower die seat.

9. The automatic round tube feeding, chamfering, drilling and tapping integrated machine according to claim 1, characterized in that: The tapping mechanism includes a workpiece clamping and positioning mechanism and a tapping mechanism. The tapping mechanism includes a tapping base plate fixed on the mounting base plate. The tapping base plate is provided with a group of parallel guide rails. A tapping sliding plate is slidably connected to the guide rails. A tapping sliding plate is provided on the tapping sliding plate. The tapping motor is fixedly connected to the tapping fixing plate. A tapping feed motor is also provided on the mounting base plate. The tapping feed motor is connected to the tapping sliding plate through a screw mechanism. The workpiece clamping and positioning mechanism includes a tapping base fixedly connected to the mounting base. An installation groove is provided on the upper surface of the tapping base. It also includes a tapping clamp base. The lower end of the tapping clamp base is fixed in the installation groove. A mounting through hole is provided on the tapping clamp base. The pneumatic clamp is fixed in the mounting through hole.

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