CN120055361B

CN120055361B - End beveling machine for metal bent pipe

Info

Publication number: CN120055361B
Application number: CN202510402626.3A
Authority: CN
Inventors: 王磊; 刘晓磊
Original assignee: Hebei Shikang Pipeline Equipment Co ltd
Current assignee: Hebei Shikang Pipeline Equipment Co ltd
Priority date: 2025-04-01
Filing date: 2025-04-01
Publication date: 2025-12-23
Anticipated expiration: 2045-04-01
Also published as: CN120055361A

Abstract

This invention belongs to the technical field of pipe bending equipment, specifically, it relates to a metal pipe bending end beveling machine, including a base plate, which serves as the load-bearing carrier of the beveling machine, and a base plate fixed on the base plate, the surface of which is provided with an annular clamping groove; it also includes: two sliding blocks, which are symmetrically slidably mounted in the annular clamping groove of the base plate, and the sliding blocks can only slide within the annular clamping groove of the base plate; and U-shaped support blocks, which are rotatably mounted on each sliding block and are used to limit the two ends of the pipe material. This invention uses a servo motor to drive a rotating frame and beveling cutters mounted on it to simultaneously bevele the two ends of the pipe material. An angle adjustment component allows users to precisely adjust the angle of the beveling cutters as needed, and turning the second bidirectional lead screw can also adjust the beveling distance of the beveling cutters to meet different beveling processing requirements.

Description

End beveling machine for metal bent pipe

Technical Field

The invention belongs to the technical field of pipe bending equipment, and particularly relates to a metal pipe bending end beveling machine.

Background

With the development of industrial technology, the quality requirements on pipeline connection are higher and higher, particularly in the fields of petrochemical industry, natural gas transportation, shipbuilding, nuclear power station construction and the like, high-quality welding joints are important, the traditional manual polishing or cutting mode is low in efficiency, consistency and accuracy of grooves are difficult to ensure, and the appearance and development of special beveling machines are promoted.

Through the search, the patent with the publication number of CN104209596B discloses a pipe end beveling machine for bent pipes, which comprises a machine base, a pipe conveying mechanism for conveying bent pipes, a cutting mechanism, a power mechanism and a pipe fixing mechanism, wherein the pipe fixing mechanism is arranged on a sliding rail I of the machine base in a sliding way through a supporting table, a clamping mechanism is arranged on the supporting table and comprises a plurality of rows of bases I and a chain arranged on the supporting table, the pipe beveling machine enables the bent pipes clamped by the pipe end beveling machine to be placed in the clamping mechanism through a clamp, and therefore the pipe end beveling machine can process the bent pipes, however, certain limitation still exists in the process, because one end of each bent pipe can only be subjected to bevel cutting, the two ends of each bent pipe cannot be simultaneously processed, an operator can readjust the position of each bent pipe after finishing the processing of one end, and then the processing of the other end of each bent pipe is performed, so that the operation time is prolonged, the processing precision is possibly inconsistent, the position of each supporting plate and the angle of a beveling knife are required to be manually adjusted by the operator, and the operation is relatively complicated.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a metal bent pipe end beveling machine which can conveniently carry out synchronous beveling on the two ends of a metal bent pipe.

The invention discloses a metal bent pipe end beveling machine, which comprises a base plate and base plates, wherein the base plate is a bearing carrier of the beveling machine, the base plates are fixedly arranged on the base plate, annular clamping grooves are formed in the surfaces of the base plates, two sliding blocks are arranged and symmetrically installed in the annular clamping grooves of the base plates in a sliding mode through the clamping blocks, the sliding blocks only can slide in the annular clamping grooves of the base plates, U-shaped supporting blocks are rotatably installed on each sliding block and used for limiting pipe ends of bent pipe materials, a plurality of stages of push rods are identical in number and symmetrically hinged to the base plates, the push rods of the plurality of stages of push rods are hinged to the corresponding sliding blocks on the same side respectively, clamping assemblies are arranged on the base plates, a mounting frame is fixedly connected to one side, away from each other, of the two mounting frame is provided with an electric sliding rail, the electric sliding rail is fixedly installed on one side, away from the U-shaped supporting block, the electric sliding rail is fixedly installed with an assembly block, the top of the assembly block is rotatably installed on each sliding block, the two sliding blocks are rotatably installed on the sliding groove, the two sides of the sliding guide plates are rotatably installed on the sliding groove are rotatably, the sliding guide plates are rotatably installed on the sliding groove, and the two sides of the sliding guide plates are rotatably arranged on the sliding groove are rotatably, and are rotatably installed on the sliding groove plates correspondingly, and two sides of the sliding guide plates are rotatably arranged correspondingly, and two sides are rotatably matched with two sides of a sliding groove.

Further, the through grooves are symmetrically formed in the two ends of the upper portion of the U-shaped supporting block, sliding frames are penetrated and slidably mounted in the through grooves in the two ends of the U-shaped supporting block, limiting plates are fixedly mounted at one ends of the sliding frames, which are close to each other, and are arc-shaped and symmetrically distributed on the two sides of the inner wall of the U-shaped supporting block, electric push rods are symmetrically and fixedly mounted on the outer walls of the two sides of the U-shaped supporting block, and push rods of the electric push rods are connected with the sliding frames in the same side.

Further, the clamping assembly comprises a fixing plate, guide rods, clamping seats, rubber pads and a first bidirectional screw rod, wherein two fixing plates are symmetrically and fixedly connected to the top surface of the base plate, at least two guide rods are connected between the fixing plates, the clamping seats are symmetrically and slidably arranged on the guide rods, the rubber pads are arranged on clamping surfaces, which are close to each other, on the upper parts of the clamping seats, the two clamping seats are respectively matched with and clamp the bent pipe walls of the bent pipe material, the first bidirectional screw rod is rotatably arranged between the fixing plates, and bidirectional threads of the first bidirectional screw rod are respectively matched with threads of the clamping seats corresponding to the same side.

Further, the mounting plate is hinged to the mounting block, the cutting edge of the bevel cutter is welded to the rotating shaft of the mounting plate, the bevel cutter and the mounting block are inclined at a certain bevel angle, and the mounting block is further provided with an angle adjusting piece which is used for supporting and adjusting the bevel angle of the bevel cutter, so that the bevel machine can process bevel of different angles on the pipe orifice of a bent pipe material.

Further, angle adjusting part is including pneumatic cylinder, connecting block and connecting rod, fixed mounting has the pneumatic cylinder on the installation piece, fixed mounting has the connecting block on the piston rod of pneumatic cylinder, the spread groove has been seted up on the handle of a knife of groove cutter, the top rigid coupling of connecting block has the connecting rod, connecting block and groove cutter slide and link to each other, the connecting rod of connecting block is located the spread groove of groove cutter, and the piston rod push-and-pull connecting block of pneumatic cylinder makes connecting block drive groove cutter rotate with the pivot of mounting panel on the installation piece, makes groove cutter can bevel return bend material with different angles.

Further, the side face, close to the mounting plate, of the mounting block is provided with the protractor, the protractor is particularly a semicircular angle measuring ruler, the reference scale of the protractor is consistent with the top face of the mounting block, and the protractor takes the bottom surface edge line of the mounting plate as an angle indication reference line to assist a user in accurately adjusting the rotation angles of the mounting plate and the bevel cutter.

Further, be equipped with elastic cord one on the grip slipper, elastic cord one fixed connection is in the top of one of them grip slipper, another the top of grip slipper is provided with first buckle, elastic cord one's free end buckle is on first buckle, elastic cord one is used for assisting the grip slipper to firmly bind the department of bending of curved pipe material, two equal fixedly connected with elastic cord two of top one end of U-shaped support piece, the top other end of U-shaped support piece is provided with the second buckle, elastic cord two's free end buckle is on the second buckle that corresponds U-shaped support piece, elastic cord two is used for assisting the both ends mouth of pipe department that U-shaped support piece firmly bound curved pipe material, elastic cord one and elastic cord two all possess elasticity, further improves the stability of curved pipe material groove processing on the beveling machine.

Further, be provided with on the mounting bracket and blow bits spare, blow bits spare and include air pump, gas-supply pipe and shower nozzle, the equal fixed mounting in both sides of U-shaped riding piece has the air pump, the equal adjustable shower nozzle that sets up in both sides of mounting bracket, the fumarole of shower nozzle is towards between two groove cutters of homonymy, the gas outlet of air pump passes through the gas-supply pipe and links to each other with the shower nozzle that corresponds.

The invention has the beneficial effects that:

1. According to the invention, the rotating frame and the bevel cutter arranged on the rotating frame are driven by the servo motor, so that simultaneous bevel processing of pipe orifices at two ends of the bent pipe is realized, the angle of the bevel cutter is allowed to be accurately adjusted by a user according to the needs by matching with the angle adjusting piece, and the bevel interval of the bevel cutter can be adjusted by screwing the second bidirectional screw rod, so that different bevel processing requirements are met.

2. The invention can be matched with mechanical structures such as a multi-stage push rod, a two-way screw rod and the like, the equipment can flexibly adjust the positions and angles of the sliding block and the U-shaped supporting block, is suitable for bent pipe materials with different curvatures, and can effectively fix bent pipe materials with different diameters by matching with the electric push rod and the limiting plate arranged on the U-shaped supporting block, so that the beveling machine can carry out beveling operation on pipe orifices at two ends of various bent pipe materials.

3. According to the invention, the first bidirectional screw rod is adopted for spacing adjustment, and the rubber pad is used for increasing friction force, so that the stability of the bent pipe material in the processing process is ensured, and meanwhile, the design of the elastic band further enhances the stable binding of the bent pipe material.

4. According to the invention, through the arrangement of the protractor, a user is helped to set the bevel angle more accurately, the requirement of manual adjustment is reduced, the production efficiency is improved, and the scrap blowing piece is matched to remove scraps in the process of bevel, so that the machining area is kept clean, and the quality of the bevel is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a diagram showing the connection relationship among the components of the base plate, the sliding block, the U-shaped supporting block and the like.

FIG. 3 is a cross-sectional view of a base plate, slider and U-shaped bracket of the present invention.

Fig. 4 is a schematic perspective view of specific components of the clamping assembly of the present invention.

Fig. 5 is a schematic view of the mounting bracket, servo motor, rotating frame and bevel tool of the present invention.

Fig. 6 is a diagram of the connection relationship of the beveling tool, the hydraulic cylinder, the connecting block and the connecting rod according to the present invention.

Fig. 7 is a schematic view of the U-shaped support block, the sliding frame, the limiting plate and the electric push rod of the present invention.

FIG. 8 is a schematic illustration of the mating relationship of the mounting block, mounting plate, bevel tool and protractor of the present invention.

FIG. 9 is a diagram showing the relationship between the clamping seat, the first elastic band, the U-shaped supporting block and the second elastic band.

The reference numerals are 100-bent pipe materials, 1-bottom plates, 2-base plates, 21-annular clamping grooves, 3-sliding blocks, 31-clamping blocks, 4-U-shaped supporting blocks, 41-sliding frames, 42-limiting plates, 43-electric push rods, 5-multi-stage push rods, 6-clamping assemblies, 61-fixed plates, 62-guide rods, 63-clamping seats, 64-rubber pads, 65-first bidirectional screw rods, 7-mounting frames, 71-electric sliding rails, 72-mounting blocks, 8-servo motors, 9-rotating frames, 10-mounting blocks, 101-sliding plates, 11-second bidirectional screw rods, 12-mounting plates, 13-bevel cutters, 131-connecting grooves, 14-angle adjusting pieces, 141-hydraulic cylinders, 142-connecting blocks, 143-connecting rods, 15-protractors, 16-elastic belts I161-first buckles, 17-elastic belts II, 171-second buckles, 18-chip blowing pieces, 181-air pumps, 182-air pipes and 183-spray heads.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The position specification, upper, lower, lateral, etc. selected in the description are also referred to directly in the description and the figures shown and are transferred in the sense of a new position when the position is changed.

The embodiment 1 is that a metal elbow end beveling machine, as shown in figures 1, 3, 5 and 6, comprises a bottom plate 1 and a base plate 2, wherein the bottom plate 1 is a bearing carrier of the beveling machine, the base plate 2 is fixedly arranged on the bottom plate 1, and an annular clamping groove 21 is formed in the surface of the base plate 2; the sliding blocks 3 are arranged in two and symmetrically and slidably arranged in the annular clamping grooves 21 of the base plate 2 through the clamping blocks 31, and the sliding blocks 3 can only slide in the annular clamping grooves 21 of the base plate 2; the U-shaped supporting blocks 4 are rotatably arranged on each sliding block 3, the U-shaped supporting blocks 4 are used for limiting pipe orifices at two ends of a bent pipe 100, the multistage pushing rods 5 are consistent in number with the sliding blocks 3 and symmetrically hinged to the base plate 2, pushing rods of the multistage pushing rods 5 are respectively hinged to the sliding blocks 3 corresponding to the same sides, the clamping assemblies 6 are arranged on the base plate 2 and used for clamping the bent part of the bent pipe 100, the mounting frames 7 are fixedly connected to one side, away from the U-shaped supporting blocks 4, of the mounting frames 7, electric sliding rails 71 are arranged on one side, away from the U-shaped supporting blocks 4, of the mounting frames 7, an assembly block 72 is arranged on the electric sliding rails 71, a servo motor 8 is fixedly arranged at the top of the assembly block 72, the rotating frame 9 is fixedly arranged on an output shaft of the servo motor 8, the rotating frame 9 is a square frame, sliding grooves are formed in two side faces of the rotating frame, the mounting blocks 10 are arranged on two sides of the rotating frame 9 in a symmetrical sliding mode through sliding plates 101, the sliding grooves of the sliding plates 101 and the sliding grooves of the rotating frame 9 are matched, the second bidirectional screw rods 11 are symmetrically rotatably arranged on two sides of the rotating frame 9, the two sides of the rotating frame 11 are respectively matched with the sliding grooves of the corresponding sliding blocks 10, the rotating frame 13 are arranged on the rotating frame 11, one side, and the groove faces 13 are matched with the cutter groove faces 13 are arranged on the side, which are close to the cutter groove faces 13 respectively, and the cutter groove faces 13 are arranged on the sliding frame respectively, the multi-stage push rod 5 drives the sliding blocks 3 and the U-shaped supporting blocks 4 on two sides to adjust the limiting angle and position on the base plate 2, so that the bent pipe material 100 placed on the base plate 2 can be initially limited, the clamping assembly 6 is matched to further clamp and fix the bent pipe material 100 at the bending position, the electric sliding rail 71 on the mounting frame 7 drives the assembling block 72 and the servo motor 8 to approach to the pipe opening on the same side of the bent pipe material 100, the servo motor 8 on two sides is utilized to synchronously drive the rotating frame 9 and the mounting block 10 to rotate, the bevel cutter 13 on the mounting block 10 can synchronously bevel the pipe opening on two ends of the bent pipe material 100, and the second bidirectional screw rod 11 is screwed to adjust the distance between the two mounting blocks 10 and the bevel cutter 13, so that the bevel cutter 13 can process bevel grooves on different positions and depths, and the processing efficiency of the bevel of the bent pipe material 100 is improved.

As shown in fig. 1, fig. 3 and fig. 7, through grooves are symmetrically formed at two ends of the upper portion of the U-shaped supporting block 4, sliding frames 41 are penetrated through and slidably mounted in the through grooves at two ends of the U-shaped supporting block 4, limiting plates 42 are fixedly mounted at one ends of the sliding frames 41, which are close to each other, the limiting plates 42 are arc-shaped plates and are symmetrically distributed on two sides of the inner wall of the U-shaped supporting block 4, electric push rods 43 are symmetrically and fixedly mounted on two outer walls of the two sides of the U-shaped supporting block 4, push rods of the electric push rods 43 are connected with the sliding frames 41, the electric push rods 43 at two ends of the U-shaped supporting block 4 are synchronously started, the electric push rods 43 drive the sliding frames 41 and the limiting plates 42 to limit bent pipe materials 100 inside the U-shaped supporting block 4, and the U-shaped supporting block 4 can limit the bent pipe materials 100 with different pipe diameters through the limiting plates 42, so that groove processing of the bent pipe materials 100 with different sizes is met.

As shown in fig. 1, fig. 2 and fig. 4, the clamping assembly 6 comprises a fixed plate 61, guide rods 62, clamping seats 63, rubber pads 64 and a first bidirectional screw rod 65, two fixed plates 61 are symmetrically and fixedly connected to the top surface of the base plate 2, two guide rods 62 are connected between the fixed plates 61, the clamping seats 63 are symmetrically and slidably installed on the guide rods 62, the rubber pads 64 are arranged on clamping surfaces, which are close to each other, on the upper parts of the clamping seats 63, the two clamping seats 63 are respectively adapted to and clamp the bent pipe wall of the bent pipe 100, the first bidirectional screw rod 65 is rotatably installed between the fixed plates 61, bidirectional threads of the first bidirectional screw rod 65 are respectively in threaded fit with the clamping seats 63 corresponding to the same side, the first bidirectional screw rod 65 is screwed, the clamping space between the two clamping seats 63 is regulated by threads under the guidance of the guide rods 62, and the clamping seats 63 elastically clamp the bent pipe 100 by the rubber pads 64, so that the bevel machine can stably clamp bent pipe 100 with different sizes.

When the beveling machine is used for carrying out port beveling on the bent pipe material 100, an operator needs to place the bent pipe material 100 to be beveled above the base plate 2, in the placing process, two multi-stage push rods 5 are synchronously started, the sliding blocks 3 and the U-shaped supporting blocks 4 at two sides are driven by the push rods of the multi-stage push rods 5 to carry out sliding adjustment along the annular clamping grooves 21 of the base plate 2, as the sliding blocks 3 can only move in the annular clamping grooves 21, the clamping position of the bent pipe material 100 can be accurately adjusted, meanwhile, the U-shaped supporting blocks 4 are rotated and adjusted on the sliding blocks 3 to a proper limiting angle until two pipe ends of the bent pipe material 100 can be smoothly placed into the U-shaped supporting blocks 4 on the sliding blocks 3, and then the multi-stage push rods 5 at two positions are closed, so that the bent pipe material 100 can be initially limited in the U-shaped supporting blocks 4, in order to adapt to bent pipe materials 100 with different diameters, the limiting plates 42 are arranged in the U-shaped supporting blocks 4, the electric push rods 43 on two sides of the U-shaped supporting blocks 4 are started, the electric push rods 43 drive the sliding frame 41 to clamp inwards in the through grooves of the U-shaped supporting blocks 4, the bent pipe materials 100 in the U-shaped supporting blocks 4 are further limited and clamped by the limiting plates 42, so that the bent pipe materials 100 with different sizes are adapted, after two pipe ends of the bent pipe materials 100 are stably limited by the limiting plates 42, the first bidirectional screw rod 65 is screwed finally, under the guiding action of the guide rods 62, the distance between the two clamping seats 63 is adjusted by utilizing threads, the rubber pads 64 on the clamping surfaces of the clamping seats 63 can firmly clamp the bent part of the bent pipe materials 100, and therefore the whole bent pipe materials 100 are ensured not to shift in the processing process, and preparation is made for the slope operation of the double pipe ends of the follow-up bent pipe materials 100.

After the pipe bending material 100 is firmly fixed, starting to enter a beveling stage, firstly driving the second bidirectional screw rods 11 on two sides of the rotary frame 9 to synchronously move through screwing according to the actual beveling requirement of the pipe bending material 100, driving the sliding plate 101 and the mounting blocks 10 by screw threads, thereby adjusting the distance between the two mounting blocks 10 and the beveling tools 13 to meet the requirements of different pipe bending materials 100 on the beveling depth, after the beveling distance of the beveling tools 13 is adjusted, starting the electric sliding rail 71 on the mounting frame 7, driving the assembly block 72 and the servo motor 8 on the assembly block 72 to approach the pipe bending material 100, simultaneously starting the servo motor 8, driving the mounting blocks 10 and the beveling tools 13 on two sides by the output shaft of the servo motor 8 to rotate at high speed through the rotary frame 9, continuously approaching the pipe bending material 100 along with the high-speed rotating beveling tools 13, synchronously polishing the two ends of the pipe bending material 100, continuously driving the two beveling tools 13 until the electric sliding rail 71 finishes beveling the pipe bending material 100, driving the assembly block 72 and the servo motor 8 after the beveling is finished, simultaneously resetting the servo motor 71, and finally, finishing the clamping of the pipe bending material 100 by the clamping seat 63.

In the embodiment 2, on the basis of the embodiment 1, as shown in fig. 1, 5 and 6, the mounting plate 12 is hinged to the mounting block 10, the edge of the bevel cutter 13 is welded at the rotating shaft of the mounting plate 12, the bevel cutter 13 and the mounting block 10 are in a certain inclined bevel angle, the mounting block 10 is also provided with an angle adjusting piece 14, the angle adjusting piece 14 is used for supporting and adjusting the bevel angle of the bevel cutter 13, so that the bevel cutter 13 can process bevel of pipe orifices of the pipe bending material 100 at different angles, the angle adjusting piece 14 comprises a hydraulic cylinder 141, a connecting block 142 and a connecting rod 143, the mounting block 10 is fixedly provided with the hydraulic cylinder 141, a connecting block 142 is fixedly arranged on a piston rod of the hydraulic cylinder 141, a connecting groove 131 is formed in a cutter handle of the bevel cutter 13, the connecting rod 143 of the connecting block 142 is fixedly connected with the connecting rod 142 in a sliding manner, and the connecting rod 143 of the connecting block 142 is positioned in the connecting groove 131 of the bevel cutter 13, and the connecting block 142 is pushed and pulled by the piston rod 142 of the connecting block 141 so that the bevel cutter 13 is driven by the rotating shaft of the mounting block 12 to enable the bevel cutter 13 to process bevel 100 at different angles.

As shown in fig. 6 and 8, a protractor 15 is assembled on the side surface of the mounting block 10, which is close to the mounting plate 12, and the protractor 15 is specifically a semicircular angle measuring ruler, the reference scale of the protractor 15 is consistent with the top surface of the mounting block 10, and the protractor 15 takes the edge line of the bottom surface of the mounting plate 12 as an angle indication reference line, so that a user is assisted in accurately adjusting the rotation angles of the mounting plate 12 and the bevel tool 13.

When the bevel angle of the bent pipe material 100 needs to be changed, the connecting block 142 is pushed and pulled by starting the hydraulic cylinder 141, and the connecting rod 143 on the connecting block 142 is pressed at the connecting groove 131 of the bevel tool 13 by the piston cylinder of the hydraulic cylinder 141, so that the bevel tool 13 and the mounting plate 12 are driven to rotate on the mounting block 10 by a certain inclination angle, a user can refer to the protractor 15 in the adjusting process, and the user can be assisted in accurately adjusting the bevel angle by observing the angle change of the mounting plate 12 indicated on the protractor 15.

As shown in fig. 1 and 9, the clamping seat 63 is provided with an elastic first 16, the elastic first 16 is fixedly connected to the top of one clamping seat 63, the top of the other clamping seat 63 is provided with a first buckle 161, the free end of the elastic first 16 is buckled on the first buckle 161, the elastic first 16 is used for assisting the clamping seat 63 to firmly bind the bending position of the bent pipe material 100, one ends of the tops of the two U-shaped supporting blocks 4 are fixedly connected with an elastic second 17, the other ends of the tops of the U-shaped supporting blocks 4 are provided with a second buckle 171, the free end of the elastic second 17 is buckled on the second buckle 171 corresponding to the U-shaped supporting blocks 4, the elastic second 17 is used for assisting the U-shaped supporting blocks 4 to firmly bind the two end pipe orifices of the bent pipe material 100, the elastic first 16 and the elastic second 17 are respectively provided with elasticity, and the stability of the beveling of the bent pipe material 100 on a beveling machine is further improved.

As shown in fig. 1 and 5, the chip blowing member 18 is arranged on the mounting frame 7, the chip blowing member 18 comprises an air pump 181, an air pipe 182 and a spray nozzle 183, the air pump 181 is fixedly arranged on two sides of the U-shaped supporting block 4, the spray nozzle 183 is arranged on two sides of the mounting frame 7 in an adjustable mode, an air injection hole of the spray nozzle 183 faces between two bevel cutters 13 on the same side, an air outlet of the air pump 181 is connected with the corresponding spray nozzle 183 through the air pipe 182, the air pump 181 is synchronously started when the bevel cutters 13 are beveled, air is injected into the spray nozzle 183 through the air pipe 182 by the air pump 181, so that the spray nozzle 183 can blow high-pressure air flow at a beveled edge of the bent pipe material 100, beveled edge fragments are generated at the beveled edge of the bent pipe material 100 to clean, and the beveled edge quality of the bent pipe material 100 is improved.

After the preliminary positioning and clamping of the bent pipe material 100 are completed, in order to further improve the stability of the bent pipe material 100 on the beveling machine, an operator can clamp the free end of the elastic band I16 on the first clamp 161 on the clamping seat 63, so that a closed loop structure is formed, the auxiliary clamping seat 63 is firmly bound with the bent position of the bent pipe material 100, and simultaneously, on the U-shaped supporting blocks 4 on two sides, the free end of the elastic band II 17 is clamped on the corresponding second clamp 171, so that the U-shaped supporting blocks 4 can firmly fix the pipe orifices on two ends of the bent pipe material 100, ensure that the bent pipe material 100 is kept stable and motionless in the whole beveling process, improve the working accuracy and safety, synchronously enable the air pumps 181 on two sides when the beveling tool 13 performs beveling operation, the air produced by the air pumps 181 can be transmitted to the spray heads 183 in a high-pressure airflow mode, and the high-pressure airflows directly act on the beveling position of the bent pipe material 100, so that the quality of the beveling of the bent pipe material 100 is effectively removed, the quality of the beveling of the bent pipe material 100 is improved, the subsequent cleaning amount of work is reduced, the work load is further, and the wear of the tool 13 is prevented, and the service life of the beveling tool is prolonged.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A metal pipe bending end beveling machine, comprising a base plate (1) and a base plate (2), wherein the base plate (2) is fixed on the base plate (1), and the surface of the base plate (2) is provided with an annular clamping groove (21).

Its features include:

Two sliding blocks (3) are provided and are symmetrically slidably installed in the annular groove (21) of the substrate (2) through clamping blocks (31);

U-shaped support blocks (4) are rotatably mounted on each sliding block (3);

The number of multi-stage push rods (5) is the same as that of the sliding blocks (3) and they are symmetrically hinged to the base plate (2). The push rods of the multi-stage push rods (5) are respectively hinged to the corresponding sliding blocks (3) on the same side.

Clamping assembly (6), the substrate (2) is provided with clamping assembly (6) for clamping the bending part of the bent tube material (100);

Mounting bracket (7) is fixed to the two U-shaped support blocks (4) on opposite sides. An electric slide rail (71) is mounted on the side of the mounting bracket (7) away from the U-shaped support blocks (4). An assembly block (72) is mounted on the electric slide rail (71).

A servo motor (8) is fixedly installed on the top of the assembly block (72);

The rotating frame (9) is fixed on the output shaft of the servo motor (8);

The mounting blocks (10) are provided in two parts and are symmetrically slidably mounted on both sides of the rotating frame (9) via sliding plates (101);

The second bidirectional lead screw (11) is symmetrically rotated and installed on both sides of the rotating frame (9). The bidirectional threads on the second bidirectional lead screw (11) are respectively threaded into the sliding plate (101) of the corresponding mounting block (10).

Beveling cutter (13), the mounting block (10) near the U-shaped support block (4) is equipped with beveling cutter (13) through mounting plate (12);

The mounting plate (12) is hinged to the mounting block (10), and the cutting edge of the beveling tool (13) is welded to the rotating shaft of the mounting plate (12). The beveling tool (13) and the mounting block (10) are at a certain beveling angle. An angle adjustment component (14) is also provided on the mounting block (10). The angle adjustment component (14) is used to support and adjust the beveling angle of the beveling tool (13).

The angle adjustment component (14) includes a hydraulic cylinder (141), a connecting block (142), and a connecting rod (143). The hydraulic cylinder (141) is fixedly installed on the mounting block (10). The connecting block (142) is fixedly installed on the piston rod of the hydraulic cylinder (141). A connecting groove (131) is provided on the handle of the beveling tool (13). The connecting rod (143) is fixedly connected to the top of the connecting block (142). The connecting block (142) and the beveling tool (13) are slidably connected. The connecting rod (143) of the connecting block (142) is located in the connecting groove (131) of the beveling tool (13).

A protractor (15) is mounted on the side of the mounting block (10) near the mounting plate (12). The protractor (15) is a semi-circular protractor. The reference scale of the protractor (15) is consistent with the top surface of the mounting block (10). The protractor (15) uses the bottom edge line of the mounting plate (12) as the angle indication reference line.

The mounting bracket (7) is provided with a chip blowing component (18), which includes an air pump (181), an air supply pipe (182), and a nozzle (183). The air pump (181) is fixedly installed on both sides of the U-shaped support block (4). The nozzle (183) can be adjusted on both sides of the mounting bracket (7). The air jet hole of the nozzle (183) faces the two bevel cutters (13) on the same side. The air outlet of the air pump (181) is connected to the corresponding nozzle (183) through the air supply pipe (182).

2. A metal pipe beveling machine according to claim 1, characterized in that the upper two ends of the U-shaped support block (4) are symmetrically provided with through grooves, and sliding frames (41) are slidably installed in the through grooves at both ends of the U-shaped support block (4). Limiting plates (42) are fixedly installed at the ends of the sliding frames (41) that are close to each other. The limiting plates (42) are arc-shaped plates and are symmetrically distributed on both sides of the inner wall of the U-shaped support block (4). Electric push rods (43) are symmetrically fixedly installed on both outer walls of the U-shaped support block (4). The push rod of the electric push rod (43) is connected to the sliding frame (41) on the same side.

3. A metal pipe bending end beveling machine according to claim 2, characterized in that the clamping assembly (6) includes a fixed plate (61), a guide rod (62), a clamping seat (63), a rubber pad (64) and a first bidirectional screw (65), two fixed plates (61) are symmetrically fixed on the top surface of the base plate (2), and at least two guide rods (62) are connected between the fixed plates (61). The clamping seats (63) are symmetrically slidably installed on the guide rods (62), and rubber pads (64) are provided on the clamping surfaces of the clamping seats (63) that are close to each other on the upper part. The two clamping seats (63) are respectively adapted to and clamp the pipe wall of the bent pipe material (100). The first bidirectional screw (65) is rotatably installed between the fixed plates (61), and the bidirectional threads of the first bidirectional screw (65) are respectively threaded with the corresponding clamping seats (63) on the same side.

4. A metal pipe bending end beveling machine according to claim 3, characterized in that, the clamping seat (63) is provided with an elastic band one (16), the elastic band one (16) is fixedly connected to the top of one of the clamping seats (63), the top of the other clamping seat (63) is provided with a first buckle (161), the free end of the elastic band one (16) is buckled on the first buckle (161), the top one end of the two U-shaped support blocks (4) is fixedly connected with an elastic band two (17), the other end of the top of the U-shaped support block (4) is provided with a second buckle (171), the free end of the elastic band two (17) is buckled on the second buckle (171) of the corresponding U-shaped support block (4), and the elastic band one (16) and the elastic band two (17) are both elastic.