Round tube chamfering machine

Abstract

The utility model discloses a special machine for chamfering round tubes. The special machine for chamfering round tubes is provided with a feeding conveyor belt, a temporary storage batch loading bin, a flattening and sorting component, a one-by-one conveying component, a clamping loading component, a chamfering component and a discharging component. A large number of round tubes are stored and loaded in batches in advance through the temporary storage batch loading bin, the feeding conveyor belt receives the round tubes loaded in the temporary storage batch loading bin and conveys them to the one-by-one conveying component, and then the one-by-one conveying component conveys and loads the round tubes one by one, then the clamping loading component clamps the round tubes in the one-by-one conveying component, and then transfers them to the chamfering component for chamfering, and after the chamfering is completed, the material is unloaded to the discharging device to complete the material collection. The machine is fully automated and can effectively ensure the production and processing efficiency of the round tubes; at the same time, by arranging the extraction and spacing adjustment components, the chamfered round tubes can be batch extracted and the spacing can be adjusted, so that batch grabbing can be carried out in conjunction with the grabbing devices in other equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of chamfering equipment, and more specifically to a special machine for chamfering round tubes. Background Art

[0002] The existing round tube chamfering equipment usually loads and unloads materials one by one manually or by a robot, and the round tube chamfering equipment then chamfers the round tubes one by one. The efficiency of loading, chamfering and unloading is low, which is not conducive to large-scale round tube processing. Therefore, a round tube chamfering machine with high efficiency, good continuity and high degree of automation is needed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a special machine for chamfering round tubes, which can automatically load, chamfer and collect round tubes one by one, with full automation and high processing and production efficiency.

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

[0005] A special machine for round tube chamfering, comprising:

[0006] The frame, feeding conveyor belt, temporary storage batch loading bin, flattening and sorting assembly, one by one conveying assembly, clamping and loading assembly, chamfering assembly and unloading assembly are all installed on the frame;

[0007] A feeding conveyor belt, which is used to receive the round tubes loaded in the temporary batch loading bin and convey them to the conveying components one by one;

[0008] Temporary batch loading silo, which is used to temporarily store a large number of round tubes and can load them in batches;

[0009] A flattening and tidying component, which is located above the feed conveyor line and at the rear side of the temporary storage batch loading bin, and is used to flatten and tidy up a number of round tubes on the feed conveyor belt;

[0010] A one-by-one conveying assembly is used to receive a plurality of round tubes from a feeding conveyor belt and separate and convey them one by one for the clamping and loading assembly to clamp;

[0011] A clamping and feeding assembly is used to clamp the round tubes in the conveying assembly one by one and move them to the chamfering assembly to chamfer the round tubes;

[0012] A chamfering assembly, which is used to chamfer the round tube clamped by the clamping and feeding assembly;

[0013] The extraction and spacing adjustment component is used to batch extract a number of round tubes of the conveying component one by one and adjust the adjacent spacing of the extracted round tubes;

[0014] The blanking component is used to receive the chamfered round tube and perform blanking.

[0015] Furthermore, the one-by-one conveying components include a material receiving and temporary storage device and a chain conveyor belt, the chain conveyor belt is provided with a plurality of material receiving blocks, the material receiving blocks are provided with a receiving groove, the material receiving and temporary storage device includes a material receiving rack, a first base frame and a material storage rack, the material receiving rack is located at the conveying end of the feed conveyor belt and is fixedly connected to the frame, and a vertically arranged and penetrating material receiving through groove is provided on the material receiving rack, the first base frame is installed on the frame, the material storage rack is slidably connected to the first base frame and a first movable driving device is provided between the first base frame, and a plurality of material storage grooves penetrating up and down are provided on the material storage rack and are erected above the starting end of the chain conveyor belt, and an opening and closing device is provided at the notch below the material storage groove.

[0016] Further, the opening and closing device includes an opening and closing plate and an opening and closing cylinder, the opening and closing cylinder is installed on the material storage rack, and the piston rod of the opening and closing cylinder is connected to the opening and closing plate, and a plurality of connecting grooves are arranged on the opening and closing plate. The opening and closing cylinder can drive the opening and closing plate to move so that the plurality of connecting grooves are connected to the material storage groove.

[0017] Furthermore, the spacing between the plurality of material storage slots on the material storage rack is the same as the spacing between the plurality of material receiving blocks on the chain conveyor belt.

[0018] Further, the clamping and feeding assembly includes a first transverse moving module, a first lifting module and a plurality of first clamping devices, the first transverse moving module is fixed on the frame and is located above the chain conveyor belt, the first lifting module is connected to the moving end of the first transverse moving module, the first clamping device includes a first clamping cylinder and a first contour clamping claw, the first clamping cylinders of the plurality of first clamping devices are all fixed on the lifting end of the first lifting module, and the first contour clamping claw is installed on the output end of the first clamping cylinder.

[0019] Furthermore, an alignment assembly is arranged between the clamping and feeding assembly and the chamfering assembly, and the alignment assembly includes an alignment base, an alignment movable seat and an alignment plate. The alignment base is fixed to the front side of the chamfering assembly, and the alignment movable seat is longitudinally slidably connected to the alignment base and a second movable driving device is arranged between the alignment base and the alignment base.

[0020] Further, the extraction and spacing adjustment component is located above the rear end of the chain conveyor belt and includes a second lifting module, a second transverse movement module and an extraction base, the second lifting module is installed on the frame, the second transverse movement module is connected to the lifting end of the second lifting module, the extraction base is connected to the moving end of the second transverse movement module, and a plurality of extraction slides connected in series are slidably connected to the extraction base, and a second clamping device is arranged on the extraction slide, the second clamping device includes a second clamping cylinder and a second contour clamping claw, the second clamping claw cylinder is installed on the extraction slide, and the second contour clamping claw is installed on the output end of the second clamping claw cylinder, and a third mobile driving device is arranged on the extraction base, and the mobile end of the third mobile driving device is connected to one of the extraction slides.

[0021] Furthermore, a fixed sliding shaft and a fixed sliding rail are provided on the extraction base, a sliding hole is provided on the extraction slide seat, the extraction sliding shaft is fitted on the fixed sliding shaft through the sliding hole, and the extraction slide seat is connected with a sliding block and is slidably connected to the fixed sliding rail through the sliding block.

[0022] Furthermore, the third moving drive device is a linear motor.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] The utility model is provided with a feeding conveyor belt, a temporary storage batch loading bin, a flattening and sorting component, a one-by-one conveying component, a clamping and loading component, a chamfering component and a discharging component. A large number of round tubes are stored in advance and loaded in batches onto the feeding conveyor belt through the temporary storage batch loading bin. The feeding conveyor belt receives the round tubes loaded from the temporary storage batch loading bin and conveys them to the one-by-one conveying component. The one-by-one conveying component then conveys and loads the round tubes one by one. Then the clamping and loading component clamps the round tubes in the one-by-one conveying component, and then transfers them to the chamfering component for chamfering. After the chamfering is completed, the tubes are unloaded to the unloading device to complete the collection and collection. The utility model is fully automated and can effectively ensure the production and processing efficiency of the round tubes.

[0025] At the same time, by setting up the extraction and spacing adjustment components, the round tubes that have completed chamfering on the conveying components one by one can be extracted in batches (without performing the unloading process in this patent), and the spacing of these batch extractions can be adjusted, so that they can be grasped in batches in conjunction with the grasping devices in other equipment, and then the next processing process in other equipment can be directly carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0027] Figure 1 The structure diagram of the special machine for round tube chamfering Figure 1 ;

[0028] Figure 2 The structure diagram of the special machine for round tube chamfering Figure 2 ;

[0029] Figure 3 for Figure 1 The enlarged view of point A in the middle;

[0030] Figure 4 for Figure 1 The enlarged view of point B in the middle;

[0031] Figure 5 for Figure 2 Enlarged view of point C in the middle.

[0032] The markings in the figure are: 1, frame; 2, feeding conveyor belt; 3, temporary storage batch loading bin; 4, flattening and sorting component; 5, one by one conveying component; 501, receiving rack; 502, chain conveyor belt; 503, receiving shaft; 504, first bottom frame; 505, first moving drive device; 506, storage rack; 507, storage trough; 508, opening and closing cylinder; 509, opening and closing plate; 510, receiving slot; 511, receiving block; 512, containing slot; 6, clamping and loading component; 601, first transverse module; 602, first lifting module; 60 3. First clamping jaw cylinder; 604. First contouring clamping jaw; 7. Chamfering assembly; 8. Blanking assembly; 9. Extraction and spacing adjustment assembly; 901. Second lifting module; 902. Second transverse movement module; 903. Extraction base; 904. Linear motor; 905. Fixed slide shaft; 906. Extraction slide seat; 907. Fixed slide rail; 908. Second clamping jaw cylinder; 909. Second contouring clamping jaw; 10. Alignment assembly; 1001. Alignment base; 1002. Second mobile drive device; 1003. Alignment moving seat; 1004. Alignment plate. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0035] A special machine for round tube chamfering, such as Figure 1-5 As shown, including:

[0036] The frame 1, the feeding conveyor belt 2, the temporary storage batch loading bin 3, the flattening and sorting component 4, the one-by-one conveying component 5, the clamping and loading component 6, the chamfering component 7 and the unloading component 8 are all installed on the frame 1;

[0037] A feeding conveyor belt 2 is used to receive the round tubes loaded in the temporary batch loading bin 3 and convey them to the conveying assembly 5 one by one;

[0038] A temporary batch loading bin 3, which is used to temporarily store a large number of round tubes and can load them in batches;

[0039] A flattening and arranging component 4, which is located above the feed conveyor line and at the rear side of the temporary storage batch loading bin 3, and is used to flatten and arranging a plurality of round tubes on the feed conveyor belt 2;

[0040] A one-by-one conveying assembly 5 is used to receive a plurality of round tubes from the feeding conveyor belt 2 and separate and convey them one by one for the clamping and loading assembly 6 to clamp;

[0041] A clamping and feeding assembly 6 is used to clamp the round tubes in the conveying assembly 5 one by one and move them to the chamfering assembly 7 to chamfer the round tubes;

[0042] A chamfering assembly 7, which is used to chamfer the round tube clamped by the clamping and feeding assembly 6;

[0043] The extraction and spacing adjustment component 9 is used to batch extract a number of round tubes from the conveying component 5 and adjust the adjacent spacing of the extracted round tubes;

[0044] The blanking assembly 8 is used to receive the chamfered round tube and perform blanking.

[0045] The utility model is provided with a feeding conveyor belt 2, a temporary storage batch loading bin 3, a flattening and sorting component 4, a one-by-one conveying component 5, a clamping and loading component 6, a chamfering component 7 and a discharging component 8. A large number of round tubes are stored in advance and loaded in batches onto the feeding conveyor belt 2 through the temporary storage batch loading bin 3. The round tubes loaded into the temporary storage batch loading bin 3 are received by the feeding conveyor belt 2 and conveyed to the one-by-one conveying component 5. Then, the one-by-one conveying component 5 conveys and loads the round tubes one by one. Then, the clamping and loading component 6 clamps the round tubes in the one-by-one conveying component 5, and then transfers them to the chamfering component 7 for chamfering. After the chamfering is completed, the tubes are unloaded to the unloading device to complete the collection and collection. The utility model is fully automated and can effectively ensure the production and processing efficiency of the round tubes.

[0046] At the same time, by setting up the extraction and spacing adjustment component 9, the round tubes that have completed chamfering on the conveying component 5 can be extracted in batches (without performing the unloading process in this patent), and the spacing of these batch extractions can be adjusted, so that batch grabbing can be carried out in conjunction with the grabbing device in other equipment, and then the next processing process in other equipment can be directly carried out.

[0047] In the present embodiment, preferably, the one-by-one conveying assembly 5 comprises a material receiving and temporary storage device and a chain conveyor belt 502, the chain conveyor belt 502 is provided with a plurality of material receiving blocks 511, the material receiving blocks 511 are provided with a receiving groove 512, the material receiving and temporary storage device comprises a material receiving frame 501, a first base frame 504 and a material storage frame 506, the material receiving frame 501 is located at the conveying end of the feed conveyor belt 2 and is fixedly connected to the frame 1, and the material receiving frame 501 is provided with a vertically arranged and penetrating material receiving groove 510, the first base frame 504 is installed on the frame 1, the material storage frame 506 is slidably connected to the first base frame 504 and a first movable driving device 505 is provided between the first base frame 504, and the material storage frame 506 is provided with a plurality of material storage grooves 507 penetrating from top to bottom and erected above the starting end of the chain conveyor belt 502, and an opening and closing device is provided at the notch below the material storage groove 507;

[0048] In this embodiment, preferably, the bottom of the receiving rack 501 is provided with a rotatably connected receiving shaft 503 at the receiving slot 510, and the receiving shaft 503 is provided with a receiving cavity that can only accommodate one round tube. The receiving rack 501 is also provided with a rotating motor, and the rotating motor is connected to the receiving shaft 503;

[0049] Specifically, after the feeding conveyor belt 2 conveys the round tube to the rear end, the round tube will automatically fall into the receiving slot 510 in the receiving rack 501, and then the round tubes pass through the receiving slot 510 and enter the accommodating cavity of the receiving shaft 503 one by one, and fall one by one as the receiving shaft 503 rotates, and then are received by the storage slot 507 on the storage rack 506 below. When the storage rack 506 receives the round tube, the first moving drive device 505 drives the storage rack 506 to move, so that after one storage slot 507 receives the round tube, the other storage slot 507 moves to the bottom of the receiving shaft 503 of the receiving rack 501. At the same time, when the storage slot 507 receives the round tube, the opening and closing device at the bottom slot of the storage slot 507 is in a closed state, thereby ensuring that the round tube is located in the storage slot 507. When all the storage slots 507 have received the round tube, the chain conveyor belt 502 drives several receiving blocks 511 to be located below the storage slot 507, and then the opening and closing device is opened, so that the round tubes in the several storage slots 507 fall into the receiving slots 512 of several receiving blocks 511 respectively, so as to realize batch material receiving.

[0050] In this embodiment, the opening and closing device preferably includes an opening and closing plate 509 and an opening and closing cylinder 508, the opening and closing cylinder 508 is installed on the material storage rack 506, and the piston rod of the opening and closing cylinder 508 is connected to the opening and closing plate 509, and a plurality of connecting grooves are provided on the opening and closing plate 509, and the opening and closing cylinder 508 can drive the opening and closing plate 509 to move so that the plurality of connecting grooves are connected to the material storage groove 507;

[0051] Specifically, when the material storage trough 507 receives the round tube in the material receiving groove 510, the connecting groove of the opening and closing plate 509 is misaligned with the material storage trough 507, so that the notch of the material storage trough 507 is in a closed state. When the round tube in the material storage trough 507 needs to be unloaded, the opening and closing cylinder 508 is actuated to drive the opening and closing plate 509 to move, so that the connecting groove is connected with the material storage trough 507, thereby opening the notch at the bottom of the material storage trough 507.

[0052] Preferably in this embodiment, the spacing between the plurality of material storage slots 507 on the material storage rack 506 is the same as the spacing between the plurality of material receiving blocks 511 on the chain conveyor belt 502, so that the round tubes in the plurality of material storage slots 507 on the material storage rack 506 can be batch unloaded onto the plurality of material receiving blocks 511 on the chain conveyor belt 502.

[0053] In the present embodiment, the clamping and feeding assembly 6 preferably includes a first transverse moving module 601, a first lifting module 602 and a plurality of first clamping devices, wherein the first transverse moving module 601 is fixed on the frame 1 and is located above the chain conveyor belt 502, the first lifting module 602 is connected to the moving end of the first transverse moving module 601, the first clamping device includes a first clamping claw cylinder 603 and a first contouring claw 604, the first clamping claw cylinders 603 of the plurality of first clamping devices are all fixed on the lifting end of the first lifting module 602, and the first contouring claw 604 is installed on the output end of the first clamping claw cylinder 603;

[0054] Specifically, after the chain conveyor belt 502 transports a number of round tubes to the clamping and feeding assembly 6, the chain conveyor belt 502 stops conveying, and then the first lifting module 602 descends, driving the first contour clamp 604 to be located at the round tube, and then the first clamp cylinder 603 is actuated to make the first contour clamp 604 clamp the round tube, and the first lifting module 602 rises again to clamp and feed the round tube.

[0055] Preferably, in this embodiment, an alignment assembly 10 is provided between the clamping and feeding assembly 6 and the chamfering assembly 7, and the alignment assembly 10 comprises an alignment base 1001, an alignment movable seat 1003 and an alignment plate 1004, wherein the alignment base 1001 is fixed to the front side of the chamfering assembly 7, and the alignment movable seat 1003 is longitudinally slidably connected with the alignment base 1001 and a second movable driving device 1002 is provided between the alignment base 1001 and the alignment movable seat 1003;

[0056] Specifically, after the clamping and feeding assembly 6 clamps the round tube, the first transverse movement module 601 drives the round tube to move transversely toward the alignment plate 1004, and at the same time, the first clamping claw cylinder 603 loosens the round tube slightly to make the round tube cross bar move axially, so that under the drive of the first transverse movement module 601 and in cooperation with the alignment plate 1004, several ends of the round tubes can be aligned, and then the first clamping claw cylinder 603 completely clamps the round tube again, and the second mobile drive device 1002 drives the alignment moving seat 1003 to move, so that the alignment plate 1004 makes way from the front of the chamfering assembly 7, and finally the first transverse movement module 601 moves transversely again to drive the round tube into the chamfering assembly 7 for chamfering, and the round tube is placed back on the chain conveyor belt 502 after chamfering is completed.

[0057] In the present embodiment, preferably, the extraction and spacing adjustment component 9 is located above the rear end of the chain conveyor belt 502 and includes a second lifting module 901, a second transverse module 902 and an extraction base 903, the second lifting module 901 is installed on the frame 1, the second transverse module 902 is connected to the lifting end of the second lifting module 901, the extraction base 903 is connected to the moving end of the second transverse module 902, and a plurality of extraction slides 906 connected in series are slidably connected to the extraction base 903, and a second clamping device is arranged on the extraction slide 906, and the second clamping device includes a second clamping cylinder 908 and a second contour clamping jaw 909, the second clamping cylinder 908 is installed on the extraction slide 906, and the second contour clamping jaw 909 is installed on the output end of the second clamping cylinder 908, and a third mobile drive device is arranged on the extraction base 903, and the mobile end of the third mobile drive device is connected to one of the extraction slides 906;

[0058] Specifically, when the round tube is chamfered and needs to cooperate with other equipment to carry out the next process, at this time, the second lifting module 901 and the second transverse module 902 are started, driving the extraction base 903 to approach the chain conveyor belt 502 and rise, so that a number of second contoured clamps 909 can hold the round tube and drive the round tube to rise above the chain conveyor belt 502, and then the third mobile drive device is started, driving a number of extraction slides 906 to slide to adjust the adjacent spacing, and then the grasping devices in other equipment can batch grasp these extracted and risen round tubes, and then enter the next equipment for the next step of processing.

[0059] In this embodiment, preferably, the extraction base 903 is provided with a fixed sliding shaft 905 and a fixed sliding rail 907, and the extraction slide 906 is provided with a sliding hole. The extraction sliding shaft is fitted on the fixed sliding shaft 905 through the sliding hole, and the extraction slide 906 is connected with a sliding block and is slidingly connected to the fixed sliding rail 907 through the sliding block, thereby realizing a sliding connection between all extraction slides 906 and the extraction base 903.

[0060] Preferably, in this embodiment, the third moving drive device is a linear motor 904 , through which the spacing between the plurality of extraction slides 906 can be precisely adjusted.

[0061] In the present embodiment, preferably, a connecting rod structure is hinged between two adjacent extraction slides 906, and a direct serial and synchronous movement effect of all the extraction slides 906 is achieved through the connecting rod structure.

[0062] Preferably in this embodiment, the structures of the feed conveyor belt 2, temporary storage and batch loading bin 3, flattening and sorting component 4 and unloading component 8 can be the same as those of the feed conveyor belt 2, temporary storage and batch loading bin 3, flattening and sorting component 4 and unloading component 8 in the patent with patent number CN202211056002.3, and the patent name is a fully automatic and environmentally friendly round tube hot melt flanging machine, and its functions and processes are also the same as those in the patent.

[0063] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A special machine for round tube chamfering, characterized in that: include: The frame, feeding conveyor belt, temporary storage batch loading bin, flattening and sorting assembly, one by one conveying assembly, clamping and loading assembly, chamfering assembly and unloading assembly are all installed on the frame; A feeding conveyor belt, which is used to receive the round tubes loaded in the temporary batch loading bin and convey them to the conveying components one by one; Temporary batch loading silo, which is used to temporarily store a large number of round tubes and can load them in batches; A flattening and tidying component, which is located above the feed conveyor line and at the rear side of the temporary storage batch loading bin, and is used to flatten and tidy up a number of round tubes on the feed conveyor belt; A one-by-one conveying assembly is used to receive a plurality of round tubes from a feeding conveyor belt and separate and convey them one by one for the clamping and loading assembly to clamp; A clamping and feeding assembly is used to clamp the round tubes in the conveying assembly one by one and move them to the chamfering assembly to chamfer the round tubes; A chamfering assembly, which is used to chamfer the round tube clamped by the clamping and feeding assembly; The extraction and spacing adjustment component is used to batch extract a number of round tubes of the conveying component one by one and adjust the adjacent spacing of the extracted round tubes; The blanking component is used to receive the chamfered round tube and perform blanking.

2. The round tube chamfering machine according to claim 1, characterized in that: The one-by-one conveying components include a material receiving and temporary storage device and a chain conveyor belt, the chain conveyor belt is provided with a plurality of material receiving blocks, the material receiving blocks are provided with a receiving groove, the material receiving and temporary storage device includes a material receiving rack, a first base frame and a material storage rack, the material receiving rack is located at the conveying end of the feed conveyor belt and is fixedly connected to the frame, and a vertically arranged and penetrating material receiving through groove is provided on the material receiving rack, the first base frame is installed on the frame, the material storage rack is slidably connected to the first base frame and a first movable driving device is provided between the first base frame, and a plurality of material storage grooves penetrating up and down are provided on the material storage rack and are erected above the starting end of the chain conveyor belt, and an opening and closing device is provided at the notch below the material storage groove.

3. The round tube chamfering machine according to claim 2, characterized in that: The opening and closing device includes an opening and closing plate and an opening and closing cylinder. The opening and closing cylinder is installed on the material storage rack, and the piston rod of the opening and closing cylinder is connected to the opening and closing plate. The opening and closing plate is provided with a plurality of connecting grooves. The opening and closing cylinder can drive the opening and closing plate to move so that the plurality of connecting grooves are connected to the material storage groove.

4. The round tube chamfering machine according to claim 2, characterized in that: The spacing between the plurality of material storage slots on the material storage rack is the same as the spacing between the plurality of material receiving blocks on the chain conveyor belt.

5. The round tube chamfering machine according to claim 2, characterized in that: The clamping and feeding assembly includes a first transverse moving module, a first lifting module and a plurality of first clamping devices. The first transverse moving module is fixed on the frame and is located above the chain conveyor belt. The first lifting module is connected to the moving end of the first transverse moving module. The first clamping device includes a first clamping cylinder and a first contour clamping claw. The first clamping cylinders of the plurality of first clamping devices are all fixed on the lifting end of the first lifting module, and the first contour clamping claw is installed on the output end of the first clamping cylinder.

6. The round tube chamfering machine according to claim 1, characterized in that: An alignment assembly is arranged between the clamping and feeding assembly and the chamfering assembly, and the alignment assembly includes an alignment base, an alignment movable seat and an alignment plate. The alignment base is fixed to the front side of the chamfering assembly, and the alignment movable seat is longitudinally slidably connected to the alignment base and a second movable driving device is arranged between the alignment base and the alignment base.

7. The round tube chamfering machine according to claim 2, characterized in that: The extraction and spacing adjustment component is located above the rear end of the chain conveyor belt and includes a second lifting module, a second transverse module and an extraction base. The second lifting module is installed on the frame. The second transverse module is connected to the lifting end of the second lifting module. The extraction base is connected to the moving end of the second transverse module. A plurality of extraction slides connected in series are slidably connected to the extraction base. A second clamping device is arranged on the extraction slide. The second clamping device includes a second clamping cylinder and a second contour clamping claw. The second clamping claw cylinder is installed on the extraction slide. The second contour clamping claw is installed on the output end of the second clamping claw cylinder. A third mobile driving device is arranged on the extraction base. The moving end of the third mobile driving device is connected to one of the extraction slides.

8. The round tube chamfering machine according to claim 7, characterized in that: The extraction base is provided with a fixed sliding shaft and a fixed sliding rail, the extraction slide seat is provided with a sliding hole, the extraction sliding shaft is sleeved on the fixed sliding shaft through the sliding hole, and the extraction slide seat is connected with a sliding block and is slidably connected to the fixed sliding rail through the sliding block.

9. The round tube chamfering machine according to claim 7, characterized in that: The third moving drive device is a linear motor.

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