Pipe fitting broaching machine

Abstract

The utility model relates to the technical field of automatic machining equipment, in particular to a pipe fitting broaching machine which comprises a machine table, a rotating chuck arranged on the machine table, a chuck rotation driving mechanism arranged in the machine table and used for driving the rotating chuck to rotate, an automatic feeding and discharging mechanism arranged on the machine table and a broaching mechanism movably arranged on the machine table. The automatic feeding and discharging mechanism is innovatively designed on the pipe chambering machine and used for automatically feeding and discharging the machined pipes, so that the traditional manual operation that the pipes need to be fed and discharged one by one is replaced, the production efficiency is effectively improved, and the labor intensity of workers is reduced. And the problem of safety risk existing in manual operation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automated processing equipment, in particular to a pipe expansion machine. Background Art

[0002] In the existing reaming machine, pipes are often placed into the reaming machine one by one manually, and after the reaming is completed, the reamed pipes are taken out one by one manually. This is not only inefficient, but also has safety risks in manual operation. In view of this, it is necessary to provide a new pipe reaming machine to solve or at least alleviate the above technical defects. Summary of the invention

[0003] The utility model aims to provide a pipe reaming machine that can solve the problems of low efficiency and safety risks of manually operated pipe reaming in the prior art in view of the shortcomings of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a pipe reaming machine, which comprises a machine platform, a rotating chuck arranged on the machine platform, a chuck rotation driving mechanism arranged in the machine platform and used for driving the rotating chuck to rotate, an automatic loading and unloading mechanism arranged on the machine platform, and a reaming mechanism movably arranged on the machine platform.

[0006] Wherein, a movable platform is movably arranged on the machine platform, and the hole expanding mechanism includes a first hole expanding device arranged on the movable platform and a second hole expanding device arranged on the movable platform.

[0007] Furthermore, the first reaming device includes a first clamping member disposed on the movable platform, a first reaming needle installed in the first clamping member, and a first moving driving device disposed on the movable platform and used to drive the first clamping member to move closer to or away from the rotating chuck.

[0008] Furthermore, the pipe reaming machine also includes a chamfering mechanism movably arranged on the machine platform, and the chamfering mechanism includes a tool holder arranged on the movable platform, a chamfering tool installed on the tool holder, and a second movable drive device arranged on the movable platform and used to drive the tool holder to move closer to or away from the rotating chuck.

[0009] The automatic loading and unloading mechanism includes a feeding mechanism arranged on the machine platform, a unloading mechanism arranged on the machine platform and a clamping robot movably arranged on the machine platform.

[0010] Furthermore, a beam seat is provided on the machine platform, and the clamping robot includes a sliding seat slidably set on the beam seat, a third moving drive device set on the beam seat and used to drive the sliding seat to move back and forth along the beam seat, and a clamping device set on the sliding seat; the clamping device includes a clamping finger set on the sliding seat for lifting and lowering and a lifting drive module for driving the clamping finger to lift and lower.

[0011] Furthermore, the material clamping robot also includes a pushing device arranged on the sliding seat; the pushing device includes a pushing block lifted and lowered on the sliding seat and a lifting driver for driving the pushing block to lift and lower.

[0012] Furthermore, the feeding mechanism includes a material storage box arranged on the machine platform, a feeding plate arranged on one side of the material discharge port of the material storage box, a lifting plate arranged on one side of the feeding plate, and a lifting drive cylinder for driving the lifting plate to rise and fall. The end of the feeding plate away from the material storage box is located below the clamping robot. A plurality of first material receiving ports are arranged on the feeding plate, and a first inclined surface inclined downward is arranged on one side of the first material receiving port; a plurality of second material receiving ports are arranged on the lifting plate, and a second inclined surface inclined downward is arranged on one side of the second material receiving port; and a plurality of the second material receiving ports are staggered with a plurality of the first material receiving ports.

[0013] Furthermore, the unloading mechanism includes an unloading platform slidably arranged on the machine platform and a material receiving box arranged on one side of the machine platform. The unloading platform is provided with a slope surface, and the slope surface is inclined downward from one end of the unloading platform away from the material receiving box to one end close to the unloading platform.

[0014] Among them, the pipe reaming machine also includes a workpiece clamping and stabilizing mechanism arranged on the machine platform and located at the rear end of the rotating chuck, the workpiece clamping and stabilizing mechanism includes a fixed block arranged on the machine platform, a movable seat slidably arranged on the fixed block, a resetting device arranged on the machine platform and used to reset the movable seat, and a rotating sleeve rotatably arranged on the movable seat, and the central axis of the rotating sleeve coincides with the central axis of the rotating chuck.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a pipe reaming machine, which, when working, the automatic loading and unloading mechanism on the machine automatically transfers the external pipes to be processed into the rotating chuck, and then the rotating chuck is used to clamp the processed pipes, and the chuck rotation drive mechanism drives the rotating chuck to rotate to drive the processed pipes to rotate; then, the reaming mechanism on the machine performs reaming processing on the pipe clamped by the rotating chuck; after the reaming processing is completed, the automatic loading and unloading mechanism takes out the pipe in the rotating chuck and unloads it. The utility model is innovatively designed with an automatic loading and unloading mechanism on the pipe reaming machine, which is used for automatic loading and unloading of the processed pipes, thereby replacing the traditional manual operation of loading and unloading pipes one by one, effectively improving production efficiency, and avoiding the problem of safety risks in manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of another viewing angle of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the hole expansion mechanism and chamfering mechanism of the utility model;

[0020] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 5 It is a structural schematic diagram of the feeding mechanism of the utility model.

[0022] Description of Reference Numerals

[0023] 1-machine platform; 2-rotating chuck; 3-expanding mechanism; 4-workpiece clamping and stabilizing mechanism; 11-beam seat; 12-moving platform; 21-pulley; 31-first expanding device; 32-second expanding device; 33-chamfering mechanism; 311-first clamping piece; 312-first expanding needle; 313-first moving drive device; 331-tool holder; 332-second moving drive device; 41-fixed block; 42-moving seat; 43-rotating sleeve; 51-clamping manipulator; 52- Feeding mechanism; 53-unloading mechanism; 511-sliding seat; 512-third moving drive device; 513-gripping finger; 514-lifting drive module; 515-pushing block; 516-lifting drive; 521-material storage box; 522-feeding plate; 523-lifting plate; 524-lifting drive cylinder; 501-first material receiving port; 502-first inclined surface; 503-second material receiving port; 504-second inclined surface; 531-material receiving box; 532-unloading platform; 533-slope surface. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0025] like Figures 1 to 5 As shown, the utility model provides a pipe reaming machine, which includes a machine platform 1, a rotating chuck 2 arranged on the machine platform 1, a chuck rotation driving mechanism arranged in the machine platform 1 and used for driving the rotating chuck 2 to rotate, an automatic loading and unloading mechanism arranged on the machine platform 1, and a reaming mechanism 3 movably arranged on the machine platform 1.

[0026] In actual application, the automatic loading and unloading mechanism on the machine 1 automatically transfers the external pipe fittings to the rotating chuck 2, and then the rotating chuck 2 is used to clamp the pipe fittings to be processed, and the chuck rotation drive mechanism drives the rotating chuck 2 to rotate to drive the pipe fittings to be processed to rotate; then, the reaming mechanism 3 on the machine 1 performs reaming processing on the pipe fittings clamped by the rotating chuck 2; after the reaming processing is completed, the automatic loading and unloading mechanism takes out the pipe fittings in the rotating chuck 2 and unloads them. This technical solution is to improve the defects of the existing pipe reaming machine. This pipe reaming machine is innovatively designed with an automatic loading and unloading mechanism for automatic loading and unloading of the processed pipe fittings, thereby replacing the traditional manual operation of loading and unloading pipe fittings one by one, effectively improving production efficiency, and avoiding the problem of safety risks in manual operation.

[0027] In the technical solution, the chuck rotation driving mechanism can use a driving motor to drive the rotating chuck 2 to rotate through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism. In this embodiment, a pulley 21 is provided at one end of the rotating chuck 2, and the chuck rotation driving mechanism uses a driving motor to drive the rotating chuck 2 to rotate through a belt. Belt transmission is more stable and reliable, and the speed is fast and stable.

[0028] In the technical solution, a movable platform 12 is movably arranged on the machine 1, and the reaming mechanism 3 includes a first reaming device 31 arranged on the movable platform 12 and a second reaming device 32 arranged on the movable platform 12. Specifically, the first reaming device 31 is used for rough reaming of the pipe fitting, and the second reaming device 32 is used for fine reaming of the pipe fitting.

[0029] In the technical solution, the first reaming device 31 includes a first clamping member 311 disposed on the moving platform 12, a first reaming needle 312 installed in the first clamping member 311, and a first moving driving device 313 disposed on the moving platform 12 and used to drive the first clamping member 311 to move closer to or away from the rotating chuck 2. In practical applications, the first moving driving device 313 is a linear motor module, and the first clamping member 311 is connected to the moving block of the linear motor module; the linear motor module is used to drive the first clamping member 311 to move on the moving platform 12. After the rotating chuck 2 clamps the pipe fitting, the movable platform 12 moves to drive the first clamp 311 to move until the axis of the first reaming needle 312 clamped by the first clamp 311 coincides with the axis of the pipe fitting; then, the first moving drive device 313 drives the first clamp 311 to move closer to the rotating chuck 2, and the moving first clamp 311 drives the first reaming needle 312 to enter the pipe fitting to perform reaming processing on the pipe fitting; after the reaming processing is completed, the first moving drive device 313 drives the first clamp 311 to move away from the rotating chuck 2, so that the first reaming needle 312 pushes the pipe fitting out. In the technical solution, the structure and working principle of the second reaming device 32 are the same as those of the first reaming device 31, and will not be repeated here; the difference is that one is for rough processing and the other is for fine processing.

[0030] In the technical solution, the pipe reaming machine further includes a chamfering mechanism 33 movably arranged on the machine platform 1, and the chamfering mechanism 33 includes a tool holder 331 arranged on the movable platform 12, a chamfering cutter mounted on the tool holder 331, and a second mobile drive device 332 arranged on the movable platform 12 and used to drive the tool holder 331 to approach or move away from the rotating chuck 2. The chamfering cutter is a milling cutter of existing machining. The second mobile drive device 332 is a linear motor module, and the tool holder 331 is connected to the moving block of the linear motor module. In practical applications, the pipe reaming machine also has the function of chamfering. During processing, after the rotating chuck 2 clamps the pipe fitting, the movable table 12 moves to drive the tool holder 331 to move until the axis of the chamfering cutter clamped by the tool holder 331 coincides with the axis of the pipe fitting; then, the second moving drive device 332 drives the tool holder 331 to move close to the rotating chuck 2, and the moving tool holder 331 drives the chamfering cutter to contact one end of the pipe fitting so that the chamfering cutter chamfers one end of the pipe fitting; after the chamfering process is completed, the second moving drive device 332 drives the tool holder 331 to move away from the rotating chuck 2 to keep the chamfering cutter away from the pipe fitting.

[0031] In the technical solution, the automatic loading and unloading mechanism includes a feeding mechanism 52 arranged on the machine 1 and a clamping manipulator 51 movably arranged on the machine 1. In practical applications, the feeding mechanism 52 is used to transfer the pipes to be processed from the outside to the material taking position of the clamping manipulator 51. Then, the clamping manipulator 51 is used to transfer the pipes to the rotating chuck 2 or take out the processed pipes from the rotating chuck 2. The automatic loading and unloading of the pipe reamer is realized by the clamping manipulator 51.

[0032] In the technical solution, a beam seat 11 is provided on the machine 1, and the clamping manipulator 51 includes a sliding seat 511 slidably provided on the beam seat 11, a third mobile driving device 512 provided on the beam seat 11 and used to drive the sliding seat 511 to move back and forth along the beam seat 11, and a clamping device provided on the sliding seat 511; the clamping device includes a clamping finger 513 lifted and lowered on the sliding seat 511 and a lifting driving module 514 used to drive the clamping finger 513 to lift and lower. Specifically, the third mobile driving device 512 is a linear motor module, and the sliding seat 511 is connected to the moving block of the linear motor module. The beam seat 11 is provided parallel to the axis of the rotating chuck 2. The third mobile driving device 512 drives the sliding seat 511 to move back and forth linearly on the beam seat 11. Preferably, the lifting driving module 514 adopts a matching structure of a driving cylinder and a slider rail.

[0033] In actual application, when the feeding mechanism 52 transports the pipe to be processed to the clamping position of the clamping fingers 513, the lifting drive module 514 drives the clamping fingers 513 to descend to clamp the pipe; after the clamping fingers 513 clamp the pipe, the lifting drive module 514 drives the clamping fingers 513 to rise to the feeding position. At this time, the third moving drive device 512 drives the sliding seat 511 to move close to the rotating chuck 2, and the moving sliding seat 511 drives the clamping fingers 513 to move close to the rotating chuck 2; the moving clamping fingers 513 drive the clamped pipe to be inserted into the rotating chuck 2, thereby completing the automatic loading of the pipe; when the loading is completed, the third moving drive device 512 drives the sliding seat 511 to move away from the rotating chuck 2 to reset the clamping fingers 513.

[0034] In the present technical solution, the material clamping manipulator 51 further includes a material pushing device arranged on the sliding seat 511; the material pushing device includes a material pushing block 515 arranged on the sliding seat 511 for lifting and lowering and a lifting driver 516 for driving the material pushing block 515 to lift and lower. Specifically, the lifting driver 516 is a driving cylinder, and the material pushing block 515 is connected to the telescopic rod of the driving cylinder. The lifting driver 516 is connected to one side of the body of the material clamping finger 513. The initial position of the material pushing block 515 is above the clamping position of the material clamping finger 513 to avoid interference with the pipe clamped by the material clamping finger 513. In actual application, after the clamping finger 513 transfers the pipe into the rotating chuck 2, the third moving drive device 512 drives the clamping finger 513 to move away from the rotating chuck 2, and then the lifting drive 516 drives the pusher block 515 to descend to the horizontal position of the pipe, and then the third moving drive device 512 drives the sliding seat 511 to move close to the rotating chuck 2, and the moving sliding seat 511 drives the pusher block 515 to move close to the rotating chuck 2, so that the pusher block 515 pushes the pipe into the rotating chuck 2 again to ensure that the pipe can be moved to the processing position, and the rotating chuck 2 clamps the pipe at this time. The design of the pusher device is used to push the pipe twice to ensure that the pipe can be stably clamped by the rotating chuck 2.

[0035] In the present technical solution, the feeding mechanism 52 includes a storage box 521 arranged on the machine 1, a feeding plate 522 arranged on one side of the discharge port of the storage box 521, a lifting plate 523 lifted and lowered on one side of the feeding plate 522, and a lifting drive cylinder 524 for driving the lifting plate 523 to rise and fall. The end of the feeding plate 522 away from the storage box 521 is located below the clamping robot 51. A plurality of first receiving ports 501 are arranged on the feeding plate 522, and a first inclined surface 502 inclined downward is arranged on one side of the first receiving port 501; a plurality of second receiving ports 503 are arranged on the lifting plate 523, and a second inclined surface 504 inclined downward is arranged on one side of the second receiving port 503; and a plurality of the second receiving ports 503 are alternately arranged with a plurality of the first receiving ports 501. In actual application, the pipes on the storage box 521 will fall to the first receiving port 501 on the feeding plate 522. Each time the lifting cylinder 524 drives the lifting plate 523 to rise, the second receiving port 503 of the rising lifting plate 523 will lift the pipes on the first receiving port 501. When the second inclined surface 504 overlaps with the first inclined surface 502, the pipes can fall along the inclined surface to another first receiving port 501, thereby realizing intermittent transfer of the pipes. The design of this structure can make the pipes in the storage box 521 neatly arranged and transferred to the clamping position of the clamping finger 513.

[0036] In the technical solution, the unloading mechanism 53 includes an unloading platform 532 slidably disposed on the machine 1 and a receiving box 531 disposed on one side of the machine 1. The unloading platform 532 is provided with a slope 533, and the slope 533 is inclined downward from one end of the unloading platform 532 away from the receiving box 531 to the end close to the unloading platform 532. In actual application, when the pipe fitting is processed, the rotating chuck 2 releases the grip of the pipe fitting, and the clamping finger 513 removes the pipe fitting from the rotating chuck 2. Then the clamping finger 513 transfers the removed pipe fitting to the top of the unloading platform 532, and the clamping finger 513 releases the grip of the pipe fitting, and the pipe fitting falls to the slope 533 on the unloading platform 532, and the pipe fitting falls into the receiving box 531 along the slope 533.

[0037] In the present technical solution, the pipe reaming machine also includes a workpiece clamping and stabilizing mechanism 4 disposed on the machine table 1 and located at the rear end of the rotating chuck 2, the workpiece clamping and stabilizing mechanism 4 includes a fixed block 41 disposed on the machine table 1, a movable seat 42 slidably disposed on the fixed block 41, a reset device disposed on the machine table 1 and used to reset the movable seat 42, and a rotating sleeve 43 rotatably disposed on the movable seat 42, the central axis of the rotating sleeve 43 coincides with the central axis of the rotating chuck 2. The reset device can adopt a mechanism in which a driving cylinder cooperates with a slider and a guide rail, or a mechanism in which a spring cooperates with a slider and a guide rail. In actual applications, since the pipe fitting is relatively long, during actual processing, the pipe fitting must pass through the rotating chuck 2. Therefore, after the pipe fitting is inserted into the rotating chuck 2, the tail of the pipe fitting will enter the rotating sleeve 43, and at this time, the rotating sleeve 43 is sleeved on the tail of the pipe fitting. When the pipe fitting is pushed into the rotating chuck 2, the rotating sleeve 43 moves away from the rotating chuck 2 together with the pipe fitting until the pipe fitting is clamped; when the pipe fitting is processed, the rotating chuck 2 releases its clamping of the workpiece, and the resetting device drives the rotating sleeve 43 to move closer to the rotating chuck 2 and reset, and the moving rotating sleeve 43 pushes the pipe fitting out of the rotating chuck 2, so that the clamping fingers 513 can clamp the pipe fitting.

[0038] Because the length of the pipe is long, the rotating chuck 2 can only clamp one end of the pipe. When the rotating chuck 2 drives the pipe to rotate, if the pipe is not properly installed during clamping, the pipe will have an eccentricity problem, which will cause the tail of the pipe to swing and shake when it rotates. Therefore, the pipe reaming machine is designed with a rotating sleeve 43 for fixing the tail of the pipe so that the axis of the pipe can be consistent with the axis of the rotating chuck 2 to solve the problem of eccentricity and shaking of the pipe when it rotates, thereby effectively improving the processing stability and accuracy of the pipe reaming machine.

[0039] In the present technical solution, the axis of the rotating chuck 2 is arranged parallel to the X-axis of the machine 1, and the machine 1 is provided with a slider guide assembly for slidingly connecting the moving table 12 and the unloading table 532. The moving table 12 and the unloading table 532 are arranged side by side and both move along the Y-axis direction of the machine 1. The machine 1 is provided with a moving driving mechanism for driving the moving table 12 and the unloading table 532 to move. The chamfering mechanism 33, the first reaming mechanism 3 and the second reaming mechanism 3 are arranged side by side on the moving table 12 along the Y-axis direction of the machine 1.

[0040] To sum up, the working process of the pipe reaming machine is as follows: the clamping finger 513 clamps the pipe to be processed on the feeding plate 522 and transfers it to the rotating chuck 2, and then the pushing block 515 is used to push the pipe to make the pipe enter the processing position; then, the rotating chuck 2 drives the pipe to rotate, and at this time, the movable table 12 and the unloading table 532 move along the Y-axis of the machine table 1 together until the axis of the chamfering cutter coincides with the axis of the pipe, and then the second moving drive device 332 drives the tool holder 331 to drive the chamfering cutter to move close to the rotating chuck 2, so that the chamfering cutter chamfers the port of the pipe; after the chamfering is completed, the chamfering cutter is reset, and the movable table 12 moves along the Y-axis of the machine table 1 again until the axis of the first reaming needle 312 of the first reaming mechanism 3 coincides with the axis of the pipe, and then the first moving drive device 313 drives the first clamping Part 311 drives the first reaming needle 312 to move close to the rotating chuck 2, so that the first reaming needle 312 is inserted into the pipe fitting for rough reaming processing; after the rough reaming processing is completed, the first reaming needle 312 is reset, and the movable table 12 moves along the Y-axis of the machine table 1 again until the axis of the reaming needle of the second reaming mechanism 3 coincides with the axis of the pipe fitting, and then the pipe fitting is finely reamed; after the fine reaming processing is completed, the unloading table 532 and the movable table 12 move along the Y-axis of the machine table 1 together until the lowest end of the slope surface 533 of the unloading table 532 is located at the box mouth position of the material receiving box 531, at this time, the clamping finger 513 takes out the processed pipe fitting and transfers it to the top of the unloading table 532, and the clamping finger 513 releases the clamping of the workpiece, so that the processed workpiece falls to the unloading table 532 and falls into the material receiving box 531 along the slope surface 533.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A pipe reamer, characterized in that: The invention comprises a machine platform (1), a rotating chuck (2) arranged on the machine platform (1), a chuck rotation driving mechanism arranged in the machine platform (1) and used for driving the rotating chuck (2) to rotate, an automatic loading and unloading mechanism arranged on the machine platform (1), and a hole expanding mechanism (3) movably arranged on the machine platform (1); a movable platform (12) is movably arranged on the machine platform (1), and the hole expanding mechanism (3) comprises a first hole expanding device (31) arranged on the movable platform (12) and a second hole expanding device (32) arranged on the movable platform (12); the first hole expanding device (31) comprises a first clamping member (311) arranged on the movable platform (12), a first hole expanding needle (312) installed in the first clamping member (311), and a first moving driving device (313) arranged on the movable platform (12) and used for driving the first clamping member (311) to approach or move away from the rotating chuck (2).

2. A pipe reamer according to claim 1, characterized in that: The pipe reaming machine further comprises a chamfering mechanism (33) movably arranged on the machine platform (1), wherein the chamfering mechanism (33) comprises a tool holder (331) arranged on the movable platform (12), a chamfering tool mounted on the tool holder (331), and a second movable driving device (332) arranged on the movable platform (12) and used to drive the tool holder (331) to move closer to or away from the rotating chuck (2).

3. A pipe reamer according to claim 1, characterized in that: The automatic loading and unloading mechanism comprises a feeding mechanism (52) arranged on the machine platform (1), a discharging mechanism (53) arranged on the machine platform (1), and a material clamping robot (51) movably arranged on the machine platform (1).

4. A pipe reamer according to claim 3, characterized in that: The machine platform (1) is provided with a beam seat (11), and the material clamping robot (51) comprises a sliding seat (511) slidably arranged on the beam seat (11), a third moving drive device (512) arranged on the beam seat (11) and used for driving the sliding seat (511) to move back and forth along the beam seat (11), and a material clamping device arranged on the sliding seat (511); the material clamping device comprises a material clamping finger (513) arranged on the sliding seat (511) for lifting and lowering, and a lifting drive module (514) for driving the material clamping finger (513) to lift and lower.

5. A pipe reamer according to claim 4, characterized in that: The material clamping manipulator (51) further comprises a material pushing device arranged on the sliding seat (511); the material pushing device comprises a material pushing block (515) arranged on the sliding seat (511) for lifting and lowering, and a lifting driver (516) for driving the material pushing block (515) to lift and lower.

6. A pipe reamer according to claim 3, characterized in that: The feeding mechanism (52) comprises a material storage box (521) arranged on the machine platform (1), a feeding plate (522) arranged on one side of the material outlet of the material storage box (521), a lifting plate (523) lifted and arranged on one side of the feeding plate (522), and a lifting driving cylinder (524) for driving the lifting plate (523) to lift and lower. One end of the feeding plate (522) away from the material storage box (521) is located below the clamping manipulator (51). The feeding plate (522) is provided with a plurality of first material receiving ports (501), and a first inclined surface (502) inclined downward is provided on one side of the first material receiving port (501); the lifting plate (523) is provided with a plurality of second material receiving ports (503), and a second inclined surface (504) inclined downward is provided on one side of the second material receiving port (503); the plurality of second material receiving ports (503) and the plurality of first material receiving ports (501) are arranged alternately.

7. A pipe reamer according to claim 3, characterized in that: The unloading mechanism (53) comprises an unloading platform (532) slidably arranged on the machine platform (1) and a material receiving box (531) arranged on one side of the machine platform (1); a slope surface (533) is arranged on the unloading platform (532); and the slope surface (533) is inclined downward from an end of the unloading platform (532) away from the material receiving box (531) to an end close to the unloading platform (532).

8. The pipe reamer according to claim 1, characterized in that: The pipe reaming machine further comprises a workpiece clamping and stabilizing mechanism (4) arranged on the machine platform (1) and located at the rear end of the rotating chuck (2), the workpiece clamping and stabilizing mechanism (4) comprising a fixed block (41) arranged on the machine platform (1), a movable seat (42) slidably arranged on the fixed block (41), a reset device arranged on the machine platform (1) and used for resetting the movable seat (42), and a rotating sleeve (43) rotatably arranged on the movable seat (42), wherein the central axis of the rotating sleeve (43) coincides with the central axis of the rotating chuck (2).

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