Chamfering machine for pipe machining

Abstract

The utility model relates to a chamfering machine for pipe machining, and belongs to the technical field of pipe chamfering machining, the chamfering machine comprises two sets of clamping frames, one set of clamping frames are fixedly arranged, and the other set of clamping frames are arranged in a sliding mode; the two clamping wheel sets are installed on the corresponding clamping frames respectively, each clamping wheel set comprises two clamping wheels, and the two clamping wheels are arranged in a spaced mode and rotationally connected with the clamping frames; and the two groups of chamfering assemblies are respectively mounted on the corresponding groups of clamping frames and are used for chamfering the pipes. Due to the fact that one set of clamping frames can slide, and the two clamping wheels in the clamping wheel set are arranged in a spaced mode, the pipe chamfering device can adapt to supporting of pipes of different lengths and different diameters, chamfering treatment of the pipes of different sizes can be achieved, and the machining efficiency can be improved.

Description

Technical Field

[0001] This application relates to the technical field of pipe chamfering processing, and in particular to a chamfering machine for pipe processing. Background Art

[0002] When processing pipes, it is necessary to chamfer the inside and outside of the pipes; chamfering refers to removing the sharp edges at the edge parts of the pipes, usually forming an inclined plane or a rounded corner to improve the assembly and safety of the pipes.

[0003] In the current related technology, when chamfering pipes, usually one chamfering machine corresponds to one size of pipe and cannot adapt to the processing of pipes of multiple sizes. For example, the patent "A Chamfering Machine for Pipe Processing" with the publication number CN213005677U and the publication date of April 20, 2021; this processing method will result in relatively low processing efficiency. Utility Model Content

[0004] In order to improve the processing efficiency, this application provides a chamfering machine for pipe processing, and adopts the following technical solutions:

[0005] A chamfering machine for pipe processing, comprising:

[0006] Two groups of clamping frames, one group of the clamping frames is fixedly arranged, and the other group of the clamping frames is slidably arranged;

[0007] Two groups of clamping wheel sets, which are respectively installed on the corresponding group of clamping frames. Each group of clamping wheel sets includes two clamping wheels. The two clamping wheels are arranged at intervals and are both rotatably connected to the clamping frames;

[0008] Two groups of chamfering components, which are respectively installed on the corresponding group of clamping frames and are used for chamfering the pipes.

[0009] By adopting the above technical solutions, one end of the pipe can be first placed on the clamping wheel set of the fixed clamping frame, and then the sliding clamping frame is driven to move, so that the other end of the pipe can be placed on the corresponding clamping wheel set, thereby realizing the support of the pipe; then the two groups of chamfering components respectively chamfer the two ends of the pipe; since one group of clamping frames can slide and the two clamping wheels in the clamping wheel set are arranged at intervals, it is possible to adapt to the support of pipes of different lengths and different diameters, thereby realizing the chamfering treatment of pipes of different sizes, and thus improving the processing efficiency.

[0010] Optionally, the chamfering component includes:

[0011] A chamfering base frame, which is horizontally slidably connected to the clamping frame;

[0012] An inner chamfering component, which is used for chamfering the inside of the pipe;

[0013] An external chamfering component for chamfering the outer part of a pipe;

[0014] The external chamfering component includes:

[0015] An external chamfering frame rotatably connected to the chamfering base frame, and the rotation axis of the external chamfering frame is parallel to the axis of the pipe;

[0016] An external chamfering motor mounted on the external chamfering frame;

[0017] An external chamfering milling cutter rotatably connected to the external chamfering frame, and the external chamfering motor is used to drive the rotation of the external chamfering milling cutter.

[0018] By adopting the above technical solution, after the external chamfering milling cutter abuts against the outer wall of the pipe, the external chamfering motor is started, and the external chamfering motor drives the rotation of the external chamfering milling cutter to chamfer the outer part of the pipe.

[0019] Optionally, the internal chamfering component includes:

[0020] An internal chamfering frame rotatably connected to the chamfering base frame, and the rotation axis of the internal chamfering is perpendicular to the axis of the pipe in the horizontal plane;

[0021] An internal chamfering motor mounted on the internal chamfering frame;

[0022] An internal chamfering milling cutter rotatably connected to the internal chamfering frame, and the internal chamfering motor is used to drive the rotation of the internal chamfering milling cutter.

[0023] By adopting the above technical solution, after the internal chamfering milling cutter abuts against the inner wall of the pipe, the internal chamfering motor is started, and the internal chamfering motor drives the rotation of the internal chamfering milling cutter to chamfer the inner part of the pipe.

[0024] Optionally, the external chamfering component further includes:

[0025] An external chamfering airbag mounted on the chamfering base frame, and the rotation of the external chamfering frame is driven by inflation and deflation;

[0026] The internal chamfering component further includes:

[0027] An internal chamfering airbag mounted on the chamfering base frame, and the rotation of the internal chamfering frame is driven by inflation and deflation.

[0028] By adopting the above technical solution, the method of using the airbag to drive the rotation of the chamfering frame can not only apply pressure to the chamfering frame but also buffer the chamfering frame during the milling cutter processing.

[0029] Optionally, the external chamfering component further includes:

[0030] An external chamfering limit group, comprising two external chamfering limit columns, which are mounted on the chamfering base frame and are arranged on both sides of the rotation axis of the external chamfering frame;

[0031] The inner chamfered component also includes:

[0032] The inner chamfer limiting group comprises two inner chamfer limiting columns, which are installed on the chamfering base frame and are arranged on both sides of the rotation axis of the inner chamfering frame.

[0033] By adopting the above technical solution, the outer chamfer limiting group can realize the rotation limiting of the outer chamfer frame, and the inner chamfer limiting group can realize the rotation limiting of the inner chamfer frame.

[0034] Optionally, the chamfering component further includes:

[0035] The limiting wheel is installed on the chamfered bottom frame and can abut against the end of the pipe.

[0036] By adopting the above technical solution, when the limiting wheel abuts against the pipe, it indicates that the chamfering chassis has slid into place, so there is no need to drive the chamfering chassis to slide, so that the chamfering chassis maintains the current position.

[0037] Optionally, the inner chamfer component further includes:

[0038] The inner chamfering counterweight block is installed on one end of the inner chamfering frame away from the inner chamfering motor.

[0039] By adopting the above technical solution, a weight is added to the end of the inner chamfering frame away from the inner chamfering motor, so that the weights at both ends of the inner chamfering motor are matched, thereby avoiding affecting the normal operation of the inner chamfering airbag.

[0040] Optionally, the outer chamfered component further includes:

[0041] An external chamfered primary pulley, coaxially fixedly connected to the output shaft of the external chamfered motor;

[0042] The external chamfering slave pulley is coaxially fixedly connected to the external chamfering milling cutter; the external chamfering slave pulley is drivingly connected to the external chamfering master pulley through an external chamfering belt;

[0043] An external chamfer protection shell is installed on the external chamfer frame and covers the external chamfer main pulley, the external chamfer secondary pulley and the external chamfer belt;

[0044] The inner chamfered component also includes:

[0045] An inner chamfered primary pulley is coaxially fixedly connected to the inner chamfered motor output shaft;

[0046] The inner chamfering pulley is coaxially and fixedly connected to the inner chamfering cutter; the inner chamfering pulley is drivingly connected to the inner chamfering main pulley through an inner chamfering belt;

[0047] The inner chamfering protective shell is installed on the inner chamfering frame and covers the inner chamfering main pulley, the inner chamfering pulley and the inner chamfering belt therein.

[0048] Optionally, the outer chamfering component further includes:

[0049] The outer chamfering adjusting block is fixedly connected to the outer chamfering frame; the outer chamfering motor is slidably connected to the outer chamfering frame;

[0050] The outer chamfering adjusting rod is threadedly connected to the outer chamfering adjusting block and rotatably connected to the outer chamfering motor;

[0051] The inner chamfering component further includes:

[0052] One end of the inner chamfering adjusting rod is hinged to the inner chamfering motor; the inner chamfering motor is hinged to the inner chamfering frame; the rotation axis of the inner chamfering adjusting rod is parallel to the rotation axis of the inner chamfering motor;

[0053] The inner chamfering adjusting block is fixedly connected to the inner chamfering frame, and the inner chamfering adjusting rod passes through the inner chamfering adjusting block;

[0054] There are two inner chamfering adjusting nuts, both of which are threadedly connected to the inner chamfering adjusting rod and are respectively arranged on both sides of the inner chamfering adjusting block.

[0055] By adopting the above technical solution, the tension adjustment of the inner chamfering belt and the outer chamfering belt can be realized.

[0056] Optionally, the chamfering assembly further includes:

[0057] The chamfering cylinder has a cylinder body horizontally installed on the clamping frame, and a piston rod connected to the chamfering bottom frame;

[0058] The chamfering guide rail is installed on the clamping frame and is respectively arranged on both sides of the chamfering bottom frame;

[0059] There are two groups of chamfering traveling wheels, and the two groups of chamfering traveling wheels are respectively arranged on both sides of the chamfering bottom frame and move along the corresponding chamfering guide rails. The chamfering traveling wheels are rotatably connected to the chamfering bottom frame;

[0060] The buffer blocks are installed at both ends of the chamfering guide rail.

[0061] By adopting the above technical solution, when the piston rod of the chamfering cylinder contracts, it drives the chamfering bottom frame to move towards the direction close to the pipe; when the piston rod of the chamfering cylinder extends, it drives the chamfering bottom frame to move away from the pipe.

[0062] In summary, the present application has at least the following beneficial effects:

[0063] 1. One set of clamping brackets is fixed, and the other set of clamping brackets slides. The purpose of setting the two clamping wheels in each set of clamping wheel groups at intervals is that before processing the pipe, one end of the pipe can be first placed on the clamping wheel group of the fixed clamping bracket, and then the sliding clamping bracket is driven to move, so that the other end of the pipe can be placed on the corresponding clamping wheel group, thereby realizing the support of the pipe; then the two chamfering components respectively chamfer the two ends of the pipe; since one set of clamping brackets can slide and the two clamping wheels in the clamping wheel group are spaced apart, it is possible to adapt to the support of pipes of different lengths and different diameters, so that chamfering treatment of pipes of different sizes can be realized, thereby improving the processing efficiency.

[0064] 2. The purpose of setting the outer chamfer airbag and the inner chamfer airbag is that by using the airbag to drive the chamfering frame to rotate, it is possible to not only apply pressure to the chamfering frame, but also buffer the chamfering frame during the milling cutter processing.

[0065] 3. The purpose of setting the limit wheel is that when the limit wheel abuts against the pipe, it indicates that the chamfering bottom frame has slid into place, so there is no need to drive the chamfering bottom frame to slide anymore, and the chamfering bottom frame maintains its current position. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] Figure 1 is a schematic structural diagram of an embodiment of the present application;

[0067] Figure 2 is a schematic structural diagram of the sliding structure for driving the clamping bracket to slide;

[0068] Figure 3 is a schematic structural diagram of the sliding of the chamfering bottom frame and the clamping bracket;

[0069] Figure 4 is a schematic structural diagram of the outer chamfering component;

[0070] Figure 5 is a schematic structural diagram of the inner chamfering component from one perspective;

[0071] Figure 6 is a schematic structural diagram of the inner chamfering component from another perspective;

[0072] Figure 7 is a schematic structural diagram of another embodiment of the present application;

[0073] Figure 8 is a schematic structural diagram of the surface treatment component;

[0074] Figure 9 is Figure 8Enlarged schematic diagram of part A structure.

[0075] Description of reference numerals in the drawings: 100, clamping frame; 110, clamping walking wheel; 120, clamping auxiliary block; 130, clamping locking block; 140, clamping locking bolt; 141, clamping locking nut; 200, clamping wheel set; 210, clamping wheel; 220, driving motor; 230, driving sprocket; 240, driven sprocket; 250, chain; 260, driving protective housing; 300, chamfering component; 310, chamfering base frame; 320, external chamfering component; 321, external chamfering frame; 322, external chamfering motor; 323, external chamfering milling cutter; 324, external chamfering airbag; 325, external chamfering limit post; 326, external chamfering main pulley; 327, external chamfering driven pulley; 328, external chamfering protective housing; 329, external chamfering adjusting block; 330, external chamfering adjusting rod; 331, external chamfering fastening bolt; 332, external chamfering fastening nut; 340, internal chamfering component; 341, internal chamfering frame; 342, internal chamfering motor; 343, internal chamfering milling cutter; 344, internal chamfering airbag; 345, internal chamfering limit post; 346, internal chamfering counterweight block; 347, support frame; 348, support block; 349, support adjusting rod; 350, support bolt; 351, support nut; 352, internal chamfering main pulley; 353, internal chamfering driven pulley; 354, internal chamfering protective housing; 355, internal chamfering adjusting rod; 356, internal chamfering adjusting block; 357, internal chamfering adjusting nut; 360, chamfering cylinder; 361, chamfering guide rail; 362, chamfering walking wheel; 363, buffer block; 364, guide rail mounting block; 365, guide rail pressing block; 366, guide rail pressing bolt; 367, guide rail locking bolt; 370, limit bracket; 371, limit wheel; 400, clamping guide rail; 410, limit stop block; 500, surface treatment component; 510, fixing frame; 511, linear motor; 520, moving frame; 521, slide rail group; 530, receiving frame; 531, guiding bolt; 532, guiding nut; 533, pressing block; 534, rotating screw; 535, surface treatment cylinder; 540, surface treatment component; 541, surface treatment frame; 542, surface treatment motor; 543, surface treatment milling cutter; 544, surface counterweight block; 545, surface main pulley; 546, surface driven pulley. Detailed implementation manners

[0076] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will combine the accompanying drawings in the embodiments of the present utility model Figure 1 - accompanying Figure 9, the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the protection scope of the present utility model.

[0077] An embodiment of the present application discloses a chamfering machine for pipe processing.

[0078] Referring to Figure 1 , as an embodiment of the chamfering machine, the chamfering machine may include two groups of clamping frames 100, two groups of clamping wheel sets 200, and two groups of chamfering assemblies 300. Among them, one group of clamping frames 100 is fixedly arranged, and the other group of clamping frames 100 is horizontally slidably arranged. One group of clamping wheel sets 200 is installed on the fixed clamping frame 100, and the other group of clamping wheel sets 200 is installed on the slidable clamping frame 100; each group of clamping wheel sets 200 includes two clamping wheels 210, the two clamping wheels 210 are arranged at intervals, and both are rotatably connected to the corresponding clamping frame 100; to support the pipe. One group of chamfering assemblies 300 is installed on the fixed clamping frame 100, and the other group of chamfering assemblies 300 is installed on the slidable clamping frame 100 to chamfer both ends of the pipe.

[0079] Referring to Figure 2 , in order to realize the sliding of the slidable clamping frame 100, two clamping guide rails 400 are arranged on the ground, and the two clamping guide rails 400 correspond to both sides of the clamping frame 100; clamping traveling wheels 110 are rotatably connected to both sides of the clamping frame 100, and the clamping traveling wheels 110 roll along the corresponding clamping guide rails 400; limit blocks 410 are fixedly connected to both ends of the clamping guide rails 400. Of course, the way to drive the clamping frame 100 to move is not limited, and a driving structure or a manual method can be adopted, which will not be elaborated in this application.

[0080] It should be noted that, in order to realize the locking of the slidable clamping frame 100, clamping auxiliary blocks 120 are fixedly connected to both ends of each side of the clamping frame 100, clamping locking blocks 130 are arranged on both sides of the clamping auxiliary blocks 120, and the clamping locking blocks 130 can abut against the clamping guide rails 400. Another clamping locking bolt 140 passes through the two clamping locking blocks 130 and the clamping auxiliary block 120, and the passed end is threadedly connected with a clamping locking nut 141. By the clamping locking nut 141, the two clamping locking blocks 130 can be abutted tightly against the clamping guide rails 400 to realize the locking of the clamping frame 100.

[0081] In addition, to facilitate the rotation of the pipe during pipe processing, a driving motor 220 is installed on the sliding clamping frame 100; a driven sprocket 240 is coaxially and fixedly connected to one clamping wheel 210, and a driving sprocket 230 is rotatably connected to the clamping frame 100. The driving motor 220 drives the rotation of the driving sprocket 230 through a speed reducer, and the driving sprocket 230 drives the rotation of the driven sprocket 240 through a chain 250. The driving motor 220 is horizontally slidably connected to the clamping frame 100 to achieve the tensioning of the chain 250. The way to drive the motor to slide can refer to the motor sliding drive method in the following chamfering assembly 300, which will not be elaborated here. In addition, a driving protective shell 260 is provided to cover the driving sprocket 230, the chain 250 and the driven sprocket 240 for protection.

[0082] Referring to Figure 1 , taking the chamfering assembly 300 corresponding to the fixed clamping frame 100 as an example; the chamfering assembly 300 may include a chamfering bottom frame 310, an inner chamfering member 340 and an outer chamfering member 320. Among them, the chamfering bottom frame 310 is horizontally slidably connected to the clamping frame 100, and both the inner chamfering member 340 and the outer chamfering member 320 are installed on the chamfering bottom frame 310. The inner chamfering member 340 is used for chamfering the inside of the pipe, and the outer chamfering member 320 is used for chamfering the outside of the pipe.

[0083] Referring to Figure 3 , to achieve the sliding of the chamfering bottom frame 310 and the clamping frame 100; the chamfering assembly 300 may include a chamfering cylinder 360, a chamfering guide rail 361 and a chamfering walking wheel 362.

[0084] Among them, the cylinder block of the chamfering cylinder 360 is horizontally installed on the clamping frame 100 through bolts, and the piston rod is connected to the chamfering bottom frame 310 through bolts. The chamfering guide rail 361 is installed on the clamping frame 100 and is arranged on both sides of the chamfering bottom frame 310. Buffer blocks 363 are fixedly connected to both ends of each chamfering guide rail 361. Each chamfering guide rail 361 corresponds to a group of chamfering walking wheels 362. Each group of chamfering walking wheels 362 rolls along the corresponding chamfering guide rail 361 and is rotatably connected to the chamfering bottom frame 310.

[0085] To achieve the installation of the chamfering guide rail 361 and the clamping frame 100, the chamfering assembly 300 may further include a plurality of guide rail mounting blocks 364, which are arranged at intervals; each guide rail mounting block 364 corresponds to two guide rail pressing blocks 365, two guide rail pressing bolts 366 and two guide rail locking bolts 367. Taking one guide rail mounting block 364 as an example:

[0086] Among them, the guide rail mounting block 364 is fixedly connected to the clamping frame 100. The guide rail mounting block 364 is provided with a mounting groove, and the chamfered bottom frame 310 is placed in the mounting groove. Rotating notches are provided at both ends of the guide rail mounting block 364. Guide rail locking bolts 367 are arranged at both ends. The guide rail locking bolts 367 pass through the mounting groove through the rotating notches and can abut against the chamfered guide rail 361. The guide rail locking bolts 367 are threadedly connected to the guide rail mounting block 364. The rotating notches facilitate the rotation of the guide rail locking bolts 367. Guide rail pressing blocks 365 are respectively arranged at both ends of the guide rail mounting block 364 and can abut against the chamfered guide rail 361 and the guide rail mounting block 364. Guide rail pressing bolts 366 are correspondingly arranged with the guide rail pressing blocks 365, and the guide rail pressing bolts 366 are threadedly connected to the guide rail pressing blocks 365 and the guide rail mounting block 364.

[0087] In addition, a limiting bracket 370 is installed at one end of the chamfered bottom frame 310 close to the pipe by bolts, and a limiting wheel 371 is rotatably connected to the limiting bracket 370. When the limiting wheel 371 abuts against the end of the pipe, it indicates that the chamfered bottom frame 310 has slid in place.

[0088] Refer to Figure 4 , the outer chamfering component 320 may include an outer chamfering frame 321, an outer chamfering motor 322, an outer chamfering milling cutter 323, an outer chamfering airbag 324 and an outer chamfering limiting group.

[0089] Among them, the outer chamfering frame 321 is rotatably connected to the chamfered bottom frame 310, and the rotation axis is parallel to the axis of the pipe. The outer chamfering motor 322 is slidably connected to the outer chamfering frame 321, the outer chamfering milling cutter 323 is rotatably connected to the outer chamfering frame 321, and the output shaft of the outer chamfering motor 322 drives the rotation of the outer chamfering milling cutter 323.

[0090] The outer chamfering airbag 324 is installed on the chamfered bottom frame 310. By inflating and deflating the outer chamfering cylinder 360, the outer chamfering airbag 324 expands or contracts. When the outer chamfering airbag 324 expands, it drives the outer chamfering frame 321 to rotate, and the outer chamfering milling cutter 323 moves away from the chamfered bottom frame 310. When the outer chamfering airbag 324 contracts, the outer chamfering milling cutter 323 moves closer to the chamfered bottom frame 310.

[0091] The outer chamfering limiting group includes two outer chamfering limiting columns 325. The two outer chamfering limiting columns 325 are installed on the chamfered bottom frame 310 and are respectively arranged on both sides of the rotation axis of the outer chamfering frame 321 to limit the rotation of the outer chamfering frame 321.

[0092] To realize the rotation of the external chamfering cutter 323, an external chamfering main pulley 326 is coaxially and fixedly connected to the output shaft of the external chamfering motor 322, and an external chamfering driven pulley 327 is coaxially and fixedly connected to the external chamfering cutter 323. The external chamfering driven pulley 327 is drivingly connected to the external chamfering main pulley 326 through an external chamfering belt. Additionally, an external chamfering protective shell 328 is installed on the external chamfering frame 321, and the external chamfering protective shell 328 covers the external chamfering main pulley 326, the external chamfering driven pulley 327 and the external chamfering belt inside it.

[0093] To realize the adjustment of the tension of the external chamfering belt, an external chamfering adjusting block 329 is fixedly connected to the external chamfering frame 321, an external chamfering adjusting rod 330 is threadedly connected to the external chamfering adjusting block 329, and the external chamfering adjusting rod 330 is rotatably connected to the housing of the external chamfering motor 322. Further, an external chamfering fastening bolt 331 can be fixedly connected to the external chamfering frame 321, a fastening waist-shaped hole is formed in the housing of the external chamfering motor 322, the external chamfering fastening bolt 331 is slidably connected to the housing of the external chamfering motor 322 through the fastening waist-shaped hole, an external chamfering fastening nut 332 is threadedly connected to the external chamfering fastening bolt 331, and the external chamfering fastening nut 332 is tightened on the housing of the external chamfering motor 322 through a gasket.

[0094] Referring to Figure 5 and Figure 6 , the internal chamfering component 340 may include an internal chamfering frame 341, an internal chamfering motor 342, an internal chamfering cutter 343, an internal chamfering airbag 344, an internal chamfering limiting group and an internal chamfering counterweight 346.

[0095] Among them, a support frame 347 is horizontally slidably connected to the chamfering bottom frame 310, the internal chamfering frame 341 is rotatably connected to the support frame 347, and the rotation axis of the internal chamfering frame 341 is perpendicular to the axis of the pipe in the horizontal plane. The internal chamfering motor 342 is hinged to one end of the internal chamfering frame 341 close to the pipe; the internal chamfering cutter 343 is rotatably connected to the internal chamfering frame 341, and the output shaft of the internal chamfering motor 342 drives the rotation of the internal chamfering cutter 343; the internal chamfering counterweight 346 is installed at the other end of the internal chamfering frame 341.

[0096] The internal chamfering airbag 344 is installed on the support frame 347. When the internal chamfering airbag 344 expands, it drives the internal chamfering frame 341 to rotate, and the internal chamfering cutter 343 moves towards the direction close to the chamfering bottom frame 310. When the internal chamfering airbag 344 contracts, the internal chamfering cutter 343 moves away from the chamfering bottom frame 310.

[0097] The internal chamfering limiting group includes two internal chamfering limiting columns 345. The two internal chamfering limiting columns 345 are installed on the support frame 347 and are arranged on both sides of the rotation axis of the internal chamfering frame 341 to limit the rotation of the internal chamfering frame 341.

[0098] To achieve the sliding of the support frame 347, a support block 348 is fixedly connected to the chamfered bottom frame 310. The support block 348 is threadedly connected to a support adjusting rod 349, and the support adjusting rod 349 is rotatably connected to the support frame 347. A support waist-shaped hole is formed in the support frame 347, and a support bolt 350 is fixedly connected to the chamfered bottom frame 310. The support bolt 350 is slidably connected to the support frame 347 through the support waist-shaped hole. A support nut 351 is threadedly connected to the support bolt 350, and the support nut 351 is tightened on the support frame 347 through a gasket.

[0099] To achieve the rotation of the inner chamfering cutter 343; an inner chamfering main pulley 352 is coaxially and fixedly connected to the output shaft of the inner chamfering motor 342, an inner chamfering driven pulley 353 is coaxially and fixedly connected to the inner chamfering cutter 343, and the inner chamfering driven pulley 353 is drivingly connected to the inner chamfering main pulley 352 through an inner chamfering belt. Additionally, an inner chamfering protective shell 354 is installed on the inner chamfering frame 341, and the inner chamfering protective shell 354 covers the inner chamfering main pulley 352, the inner chamfering driven pulley 353, and the inner chamfering belt inside it.

[0100] To achieve the tension adjustment of the inner chamfering belt; an inner chamfering adjusting rod 355 is hinged to the housing of the inner chamfering motor 342, and the rotation axis of the inner chamfering adjusting rod 355 is parallel to the rotation axis of the inner chamfering motor 342. An inner chamfering adjusting block 356 is fixedly connected to the inner chamfering frame 341, an adjusting waist-shaped hole is formed in the inner chamfering adjusting block 356, and the inner chamfering adjusting rod 355 passes through the adjusting waist-shaped hole. Two inner chamfering adjusting nuts 357 are threadedly connected to the inner chamfering adjusting rod 355, and the two inner chamfering adjusting nuts 357 are respectively arranged on both sides of the inner chamfering adjusting block 356.

[0101] Referring to Figure 7 , as another embodiment of the chamfering machine, the chamfering machine may further include a surface treatment component 500, and the surface treatment component 500 moves along the axis of the pipe to perform surface treatment on the pipe.

[0102] Referring to Figure 8 , the surface treatment component 500 may include a fixed frame 510, a moving frame 520, a receiving frame 530, and a surface treatment part 540. Among them, the fixed frame 510 is arranged on one side of the pipe, the moving frame 520 is horizontally slidably connected to the fixed frame 510, the receiving frame 530 is horizontally slidably connected to the moving frame 520, and the sliding direction of the receiving frame 530 is perpendicular to the sliding direction of the moving frame 520 in the plane. The surface treatment part 540 is installed on the receiving frame 530 to process the surface of the pipe.

[0103] To achieve the sliding of the moving frame 520 and the fixed frame 510; a linear motor 511 is installed on the fixed frame 510, and the moving frame 520 is installed on the mover of the linear motor 511.

[0104] To achieve the sliding of the receiving frame 530 and the moving frame 520, two sets of slide rail groups 521 are installed on the moving frame 520. Each set of slide rail groups 521 includes two guiding slide rails, and the two guiding slide rail groups 521 form a sliding guiding groove. A guiding bolt 531 is passed through the receiving frame 530, and the guiding bolt 531 is slidably connected to the guiding slide rail through the sliding guiding groove; a guiding nut 532 is threadedly connected to the guiding bolt 531, and the guiding nut 532 is tightened on the receiving frame 530.

[0105] In addition, referring to Figure 9 , at both ends of both sides of the receiving frame 530, pressing blocks 533 are provided. One set of slide rail groups 521 corresponds to four pressing blocks 533. Two pressing blocks 533 are located at one end of the receiving frame 530, and the other two pressing blocks 533 are located at the other end of the receiving frame 530. Two pressing blocks 533 on one side of one end of the receiving frame 530 are slidably connected to the receiving frame 530, and the pressing blocks 533 can abut against the inner wall of the corresponding guiding slide rail; the two pressing blocks 533 are placed in the sliding guiding groove. A rotating screw rod 534 is further provided. The rotating screw rod 534 has a double-thread, and the two pressing blocks 533 are threadedly connected to the rotating screw rod 534; when the rotating screw rod 534 is rotated, the two pressing blocks 533 slide towards or away from each other.

[0106] Referring to Figure 8 , the surface treatment component 540 may include a surface treatment frame 541, a surface treatment motor 542, a surface treatment milling cutter 543, and a surface counterweight 544.

[0107] Among them, the surface treatment frame 541 is rotatably connected to the receiving frame 530, and the rotation axis is parallel to the axis of the pipe. The surface treatment motor 542 is slidably connected to the surface treatment frame 541. The surface treatment milling cutter 543 is rotatably connected to one end of the surface treatment frame 541 close to the pipe, and the output shaft of the surface treatment motor 542 is used to drive the rotation of the surface treatment milling cutter 543. The surface counterweight 544 is installed at the other end of the surface treatment frame 541.

[0108] To achieve the rotation of the surface treatment frame 541, a surface treatment cylinder 535 is hinged on the receiving frame 530, and the piston rod of the surface treatment cylinder 535 is hinged to the surface treatment frame 541; when the piston rod of the surface treatment cylinder 535 extends, the surface treatment milling cutter 543 rotates towards the direction close to the pipe, and when the piston rod of the surface treatment cylinder 535 contracts, the surface treatment milling cutter 543 rotates towards the direction away from the pipe. It should be noted that surface limit posts are also installed on the receiving frame 530, and the surface limit posts are respectively arranged on both sides of the rotation axis of the surface treatment frame 541 to limit the rotation of the surface treatment frame 541.

[0109] To achieve the rotation of the surface treatment milling cutter 543, a main surface pulley 545 is coaxially and fixedly connected to the output shaft of the surface treatment motor 542, and a driven surface pulley 546 is coaxially and fixedly connected to the surface treatment milling cutter 543. The driven surface pulley 546 is drivingly connected to the main surface pulley 545 through a surface belt. Of course, a surface protective shell can also be installed on the surface treatment frame 541 to cover the main surface pulley 545, the driven surface pulley 546 and the surface belt therein for protection.

[0110] To achieve the tension adjustment of the surface belt; the sliding mode of the surface treatment motor 542 can be the same as that of the motor in the above chamfering assembly 300, which will not be elaborated here.

[0111] The above are all the preferred embodiments of the present application, which do not limit the protection scope of the present application in sequence. Any feature disclosed in this specification (including the abstract and drawings), unless specifically described, can be replaced by other equivalent or similar-purpose alternative features. That is, unless specifically described, each feature is only an example of a series of equivalent or similar features.

Claims

1. A chamfering machine for pipe processing, characterized in that: include: Two groups of clamping frames (100), one group of the clamping frames (100) being fixedly arranged, and the other group of the clamping frames (100) being slidably arranged; Two groups of clamping wheel assemblies (200) are respectively mounted on corresponding groups of the clamping frames (100); each group of the clamping wheel assemblies (200) comprises two clamping wheels (210); the two clamping wheels (210) are arranged at intervals and are both rotatably connected to the clamping frames (100); Two groups of chamfering assemblies (300) are respectively mounted on corresponding groups of the clamping frames (100) and are used to perform chamfering processing on the pipe.

2. A pipe chamfering machine according to claim 1, characterized in that: The chamfering assembly (300) comprises: A chamfered bottom frame (310) horizontally slidably connected to the clamping frame (100); An inner chamfering component (340) is used to perform chamfering on the inside of the pipe; An external chamfering component (320) is used to perform chamfering on the outside of the pipe; The outer chamfered component (320) comprises: An external chamfering frame (321) is rotatably connected to the chamfering base frame (310), and the rotation axis of the external chamfering frame (321) is parallel to the axis of the pipe; An external chamfering motor (322) is mounted on the external chamfering frame (321); The external chamfering cutter (323) is rotatably connected to the external chamfering frame (321), and the external chamfering motor (322) is used to drive the external chamfering cutter (323) to rotate.

3. A pipe chamfering machine according to claim 2, characterized in that: The inner chamfered component (340) comprises: An inner chamfer frame (341) is rotatably connected to the chamfer base frame (310), and the rotation axis of the inner chamfer is perpendicular to the axis of the pipe in a horizontal plane; An inner chamfering motor (342) is mounted on the inner chamfering frame (341); The inner chamfering cutter (343) is rotatably connected to the inner chamfering frame (341), and the inner chamfering motor (342) is used to drive the inner chamfering cutter (343) to rotate.

4. A pipe processing chamfering machine according to claim 3, characterized in that: The outer chamfered component (320) further comprises: An outer chamfering airbag (324) is mounted on the chamfering base frame (310) and drives the outer chamfering frame (321) to rotate by inflating and deflating air; The inner chamfered component (340) further comprises: The inner chamfer airbag (344) is mounted on the chamfer base frame (310) and drives the inner chamfer frame (341) to rotate by inflating and deflating air.

5. The pipe processing chamfering machine according to claim 3, characterized in that: The outer chamfered component (320) further comprises: An external chamfering limit group, comprising two external chamfering limit posts (325), wherein the two external chamfering limit posts (325) are mounted on the chamfering base frame (310) and are disposed on both sides of the rotation axis of the external chamfering frame (321); The inner chamfered component (340) further comprises: The inner chamfer limit group comprises two inner chamfer limit columns (345), wherein the two inner chamfer limit columns (345) are mounted on the chamfer base frame (310) and are arranged on both sides of the rotation axis of the inner chamfer frame (341).

6. A pipe processing chamfering machine according to claim 2, characterized in that: The chamfering assembly (300) further comprises: The limiting wheel (371) is mounted on the chamfered base frame (310) and is capable of abutting against the end of the pipe.

7. A pipe processing chamfering machine according to claim 4, characterized in that: The inner chamfered component (340) further comprises: An inner chamfering counterweight (346) is mounted on an end of the inner chamfering frame (341) away from the inner chamfering motor (342).

8. The pipe processing chamfering machine according to claim 3, characterized in that: The outer chamfered component (320) further comprises: An external chamfering main pulley (326) coaxially and fixedly connected to the output shaft of the external chamfering motor (322); The external chamfering slave pulley (327) is coaxially fixedly connected to the external chamfering milling cutter (323); the external chamfering slave pulley (327) is drivingly connected to the external chamfering master pulley (326) via an external chamfering belt; An external chamfer protection shell (328) is installed on the external chamfer frame (321) and covers the external chamfer main pulley (326), the external chamfer secondary pulley (327) and the external chamfer belt; The inner chamfered component (340) further comprises: An inner chamfering main pulley (352) coaxially and fixedly connected to the output shaft of the inner chamfering motor (342); The inner chamfer slave pulley (353) is coaxially fixedly connected to the inner chamfer milling cutter (343); the inner chamfer slave pulley (353) is drivingly connected to the inner chamfer master pulley (352) via an inner chamfer belt; An inner chamfer protection shell (354) is installed on the inner chamfer frame (341), and covers the inner chamfer main pulley (352), the inner chamfer slave pulley (353), and the inner chamfer belt.

9. A pipe processing chamfering machine according to claim 8, characterized in that: The outer chamfered component (320) further comprises: The external chamfer adjustment block (329) is fixedly connected to the external chamfer frame (321); the external chamfer motor (322) is slidably connected to the external chamfer frame (321); An external chamfer adjustment rod (330) is threadedly connected to the external chamfer adjustment block (329) and is rotationally connected to the external chamfer motor (322); The inner chamfered component (340) further comprises: An inner chamfer adjustment rod (355) has one end hinged to the inner chamfer motor (342); the inner chamfer motor (342) is hinged to the inner chamfer frame (341); the rotation axis of the inner chamfer adjustment rod (355) is parallel to the rotation axis of the inner chamfer motor (342); An inner chamfer adjustment block (356) is fixedly connected to the inner chamfer frame (341), and the inner chamfer adjustment rod (355) passes through the inner chamfer adjustment block (356); Two inner chamfer adjustment nuts (357) are provided, both of which are threadedly connected to the inner chamfer adjustment rod (355) and are respectively provided on both sides of the inner chamfer adjustment block (356).

10. A pipe processing chamfering machine according to claim 2, characterized in that: The chamfering assembly (300) further comprises: A chamfering cylinder (360), the cylinder body of which is horizontally mounted on the clamping frame (100), and the piston rod of which is connected to the chamfering base frame (310); Chamfered guide rails (361) are mounted on the clamping frame (100) and are disposed on both sides of the chamfered base frame (310); There are two groups of chamfering running wheels (362), and the two groups of chamfering running wheels (362) are respectively arranged on both sides of the chamfering base frame (310) and move along the corresponding chamfering guide rails (361), and the chamfering running wheels (362) are rotatably connected to the chamfering base frame (310); Buffer blocks (363) are mounted on both ends of the chamfered guide rail (361).

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