Pipe cutting device

Abstract

The utility model discloses a pipe cutting device which comprises a machine frame, a cutting mechanism, a feeding mechanism, a material receiving mechanism, a guide rail feeding mechanism, a clamping pushing mechanism and a discharging pushing mechanism, the two ends of the guide rail feeding mechanism correspond to one end of the material receiving mechanism and the clamping pushing mechanism respectively, and the clamping pushing mechanism comprises a first clamping assembly and a clamping pushing assembly. The clamping and pushing assembly comprises a sliding frame, a first air cylinder arranged on the rack and used for driving the sliding frame to move, a lifting plate vertically arranged on the sliding frame in a sliding mode, a second air cylinder arranged on the sliding frame and used for driving the lifting plate to ascend and descend, and a clamping jaw arranged on the lifting plate. The clamping jaw comprises a vertically-arranged double-face spur rack, a third air cylinder driving the double-face spur rack to ascend and descend and two jaw toes which are symmetrical along the double-face spur rack and hinged to the lifting plate, one end of each jaw toe is an arc gear part meshed with the double-face spur rack, and the other end of each jaw toe is used for clamping a clamping groove part of a pipe. The device has the advantages of improving the cutting efficiency and reducing the probability of damage to the pipe during clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe cutting equipment field, concretely to a pipe cutting device. BACKGROUND

[0002] When the metal pipe is cut, the pipe needs to be fixed, and the fixed way is to clamp the pipe from the outer wall of the pipe by a clamping mechanism. The traditional clamping mechanism adopts a cylinder clamping jaw to clamp the pipe. Since the cylinder clamping jaw has a high speed when opening and closing, it has a large impact on the pipe, which can easily damage the outer wall of the pipe. At the same time, the existing pipe cutting device adopts a flat pushing way when conveying the pipe from the feeding mechanism to the side of the cutting mechanism, which can cause the pipe end to be blocked and reduce the cutting efficiency.

[0003] Therefore, it is necessary to provide a pipe cutting device. SUMMARY

[0004] The pipe cutting device provided by the utility model effectively solves the problems of damage to the outer wall of the pipe and low cutting efficiency when the pipe is cut by the existing device.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A pipe cutting device, comprising a rack, a cutting mechanism arranged on the rack, a feeding mechanism arranged on the rack, a receiving mechanism arranged on one side of the feeding mechanism for receiving the pipe in the feeding mechanism, a guide rail feeding mechanism, a clamping and pushing mechanism, and a discharging pushing mechanism, wherein the two ends of the guide rail feeding mechanism correspond to one end of the receiving mechanism and the clamping and pushing mechanism respectively, the guide rail feeding mechanism is used to convey the pipe from the receiving mechanism to the clamping and pushing mechanism, the clamping and pushing mechanism is used to clamp and push the pipe to the cutting mechanism for cutting, the clamping and pushing mechanism comprises a first clamping assembly arranged on the rack and a clamping and pushing assembly, the first clamping assembly is arranged between the clamping and pushing assembly and the cutting mechanism, the clamping and pushing assembly comprises a sliding frame, a first cylinder arranged on the rack and used to drive the sliding frame to move along the X direction, a lifting plate vertically and slidably arranged on the sliding frame, a second cylinder arranged on the sliding frame and used to drive the lifting plate to lift, and a clamping jaw arranged on the lifting plate, the clamping jaw comprises a vertically arranged double-sided straight rack, a third cylinder used to drive the double-sided straight rack to lift, two claw toes symmetrically arranged along the double-sided straight rack and hinged to the lifting plate, one end of the claw toe is a circular arc gear part meshing with the double-sided straight rack, and the other end of the claw toe is a clamping groove part used to clamp the pipe.

[0007] Further, the feeding mechanism comprises a carrier frame, a No. 4 cylinder arranged at the lower end of the carrier frame, a connecting column rotatably connected with the carrier frame, a plurality of movable blocking blocks fixedly arranged on the connecting column, and a connecting rod hingedly connected with the output end of the No. 4 cylinder and the movable blocks at two ends, respectively. The movable blocks comprise a block body, a No. 1 protrusion arranged at one end of the block body, and a No. 2 protrusion arranged at the other end of the block body. The connecting column is fixedly connected with the block body. The No. 1 protrusion and the No. 2 protrusion are rotatable to the upper end surface of the carrier frame. The upper end surface of the carrier frame is inclined to the side of the receiving mechanism. The No. 2 protrusion is located between the No. 1 protrusion and the receiving mechanism.

[0008] Further, the receiving mechanism comprises a No. 1 shaft, a plurality of No. 1 straight racks arranged on the rack in the Y direction, a plurality of No. 1 gears coaxially fixedly arranged on the No. 1 shaft and meshing with the No. 1 straight racks, respectively, a No. 2 straight rack arranged on the rack in the Y direction, a No. 2 gear coaxially fixedly arranged on the No. 1 shaft and meshing with the No. 2 straight rack, a No. 5 cylinder fixedly arranged on the rack for driving the No. 2 straight rack to slide in the Y direction, a connecting block fixedly arranged on the No. 1 straight rack, a No. 6 cylinder vertically fixedly arranged on the connecting block, and a supporting seat arranged at the output end of the No. 6 cylinder.

[0009] Further, the guide rail feeding mechanism comprises a guide rail arranged on the rack in the X direction, a sliding seat slidably arranged on the guide rail, a motor lead screw module arranged on the rack in the X direction for driving the sliding seat to slide along the guide rail, a fixed clamping plate arranged on the sliding seat, a sliding clamping plate arranged on the sliding seat and oppositely arranged with the fixed clamping plate, and a No. 7 cylinder fixedly arranged on the sliding seat for driving the sliding clamping plate to move relative to the fixed clamping plate in the Y direction.

[0010] Further, the discharging and pushing mechanism comprises a supporting frame on the rack, and a pushing assembly arranged on the rack for pushing the products cut by the cutting mechanism to the supporting frame.

[0011] Further, the rack is further provided with a guide roller assembly cooperating with the feeding mechanism. The guide roller assembly comprises a plurality of lifting seats arranged in the X direction, a plurality of roller shafts arranged at the upper end surfaces of the lifting seats in the Y direction, respectively, a plurality of fixed seats fixedly arranged on the rack and located at the lower ends of the lifting seats, a lead screw nut pair connecting the fixed seats and the lifting seats, a transmission shaft rotatably arranged on the rack in the X direction, a hand wheel arranged at one end of the transmission shaft, a No. 1 umbrella gear coaxially fixedly arranged on the transmission shaft, a No. 7 shaft arranged on the fixed seat in the Y direction, a No. 2 umbrella gear arranged on the No. 7 shaft and meshing with the No. 1 umbrella gear, a No. 3 umbrella gear fixedly arranged at the end of the lead screw of the lead screw nut pair, and a No. 4 umbrella gear arranged at the other end of the No. 7 shaft and meshing with the No. 3 umbrella gear. The nut of the lead screw nut pair is connected with the lifting seat.

[0012] The utility model discloses beneficial effects: whole pipe cutting device can cut pipe material quickly, and the clamping and pushing mechanism can clamp and push pipe material, and when the claw clamps, the two claw toes are driven through the meshing in and out of the arc gear part and double-sided straight rack, so that the impact force of the claw toes to pipe material is less than the impact force of the cylinder claw, and the abrasion and deformation of the outer wall of pipe material are reduced. After pipe material is clamped by the claw, the lifting plate is lifted by the second cylinder, realizes the lifting of pipe material, then the horizontal movement of pipe material is realized by the first cylinder, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The whole schematic view of the pipe cutting device provided by the embodiment of the application.

[0014] Figure 2 The schematic view of the guide rail feeding mechanism and the clamping and pushing mechanism of the pipe cutting device provided by the embodiment of the application.

[0015] Figure 3 The schematic view of the feeding mechanism of the pipe cutting device provided by the embodiment of the application is placed with pipe material.

[0016] Figure 4 The schematic view of the pipe cutting device provided by the embodiment of the application is placed with pipe material.

[0017] Figure 5 The schematic view of the pipe cutting device provided by the embodiment of the application is placed with pipe material.

[0018] Figure 6 The schematic view of the pipe cutting device provided by the embodiment of the application is placed with pipe material.

[0019] As shown in the figure, the cutting device is characterized in that: the cutting device comprises a rack 1, a cutting mechanism 2, a feeding mechanism 3, a receiving mechanism 4, a guide rail feeding mechanism 5, a clamping and pushing mechanism 6, a discharging pushing mechanism 7, a first clamping assembly 61, a clamping and pushing assembly 62, a sliding frame 621, a first air cylinder 622, a second air cylinder 623, a lifting plate 624, a clamping jaw 625, a double-sided straight rack 6251, a third air cylinder 6252, an arc gear part 6253, a clamping groove part 6254, a supporting carrier 31, a fourth air cylinder 32, a connecting column 33, a movable blocking block 34, a connecting rod 35, a block body 341, a first protrusion 342, a second protrusion 343, a first shaft 41, a first straight rack 42, a first gear 43, a second straight rack 44, a second gear 45, a fifth air cylinder 46, a connecting block 47, a sixth air cylinder 48, a supporting seat 49, a guide rail 51, a sliding seat 52, a motor screw module 53, a fixed clamping plate 54, a sliding clamping plate 55, a seventh air cylinder 56, a material supporting frame 71, a pushing assembly 72, a guide roller assembly 8, a lifting seat 801, a roller shaft 802, a fixed seat 803, a screw nut pair 804, a transmission shaft 805, a hand wheel 806, a first umbrella gear 807, a second umbrella gear 808, a third umbrella gear 809, a fourth umbrella gear 810, a pipe 100, a fixed plate 611, a movable plate 612, a tenth air cylinder 613. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and understandable, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0021] As shown in the figure, Figure 1 , Figure 2 and Figure 4As shown, the pipe cutting device provided by the embodiment of the application comprises a rack 1, a cutting mechanism 2 arranged on the rack 1, a feeding mechanism 3 arranged on the rack 1, a receiving mechanism 4 arranged on one side of the feeding mechanism 3 for receiving the pipe 100 in the feeding mechanism 3, a guide rail feeding mechanism 5, a clamping and pushing mechanism 6 and a discharging pushing mechanism 7, the two ends of the guide rail feeding mechanism 5 correspond to one end of the receiving mechanism 4 and the clamping and pushing mechanism 6 respectively, the guide rail feeding mechanism 5 is used for conveying the pipe 100 from the receiving mechanism 4 to the clamping and pushing mechanism 6, the clamping and pushing mechanism 6 is used for clamping and pushing the pipe 100 to the cutting mechanism 2 for cutting, the clamping and pushing mechanism 6 comprises a first clamping assembly 61 arranged on the rack 1 and a clamping and pushing assembly 62, the first clamping assembly 61 is arranged between the clamping and pushing assembly 62 and the cutting mechanism 2, the clamping and pushing assembly 62 comprises a sliding frame 621, a first air cylinder 622 arranged on the rack 1 and used for driving the sliding frame 621 to move along the X direction, a lifting plate 624 vertically arranged on the sliding frame 621, a second air cylinder 623 arranged on the sliding frame 621 and used for driving the lifting plate 624 to lift, a clamping jaw 625 arranged on the lifting plate 624, the clamping jaw 625 comprises a vertically arranged double-sided straight rack 6251, a third air cylinder 6252 used for driving the double-sided straight rack 6251 to lift, two claw toes which are symmetrical along the double-sided straight rack 6251 and are hinged to the lifting plate 624, one end of the claw toe is a circular-arc gear part 6253 which is engaged with the double-sided straight rack 6251, and the other end of the claw toe is a clamping groove part 6254 which is used for clamping the pipe 100.

[0022] It should be noted that the cutting mechanism 2 is a prior art mechanism which comprises a saw blade, a saw seat for mounting the saw blade, a driving assembly for driving the saw seat to lift, and one end of the saw seat is hinged to the rack 1. The first clamping assembly 61 comprises a fixed plate 611, a movable plate 612 and a tenth air cylinder 613 for driving the movable plate 612.

[0023] In actual use, the pipe 100 to be cut is stacked in the feeding mechanism 3, conveyed to the receiving mechanism 4 by the feeding mechanism 3, clamped by the guide rail feeding mechanism 5 to the side of the clamping and pushing mechanism 6, clamped by the clamping and pushing mechanism 6 to the body of the pipe 100, then conveyed to the side of the cutting mechanism 2, cut by the cutting mechanism 2, and the cut part is collected by the discharging pushing mechanism 7. When the clamping and pushing mechanism 6 works, the first clamping assembly 61 is first opened, the pipe 100 is clamped by the clamping and pushing assembly and moved to the side of the first clamping assembly 61: the double-sided rack is driven upward by the third air cylinder 6252, so that the clamping groove part 6254 of the two claw toes is relatively folded by the meshing in and out of the double-sided rack through the circular-arc gear part 6253, the pipe 100 is clamped, then the lifting plate 624 is driven upward by the second air cylinder 623, the first air cylinder 622 drives the sliding frame 621 to move to the side of the cutting mechanism 2, the lifting plate 624 is driven downward by the second air cylinder 623, the pipe 100 is placed in the first clamping assembly 61, and then the first clamping assembly 61 clamps the product. The clamping claw 625 is loosened.

[0024] In the above design, the entire pipe cutting device can quickly cut the pipe 100, the clamping and pushing mechanism 6 can clamp and push the pipe 100, and when the clamping claw 625 clamps, the impact force of the two claw toes on the pipe 100 is less than that of the air cylinder clamping claw 625 due to the transmission of the circular-arc gear part 6253 and the double-sided straight rack 6251 through meshing in and out, which reduces the wear and deformation of the outer wall of the pipe 100. After the pipe 100 is clamped by the clamping claw 625, the lifting plate 624 is lifted by the second air cylinder 623, the pipe 100 is lifted, then the horizontal movement of the pipe 100 is realized by the first air cylinder 622, and the working efficiency is improved.

[0025] Specifically, as shown in Figure 3 The feeding mechanism 3 includes a supporting frame 31, a fourth air cylinder 32 arranged at the lower end of the supporting frame 31, a connecting column 33 rotationally connected with the supporting frame 31, a plurality of movable blocking blocks 34 fixedly arranged on the connecting column 33, a connecting rod 35 having two ends hingedly connected with the output end of the fourth air cylinder 32 and a movable block, the movable block including a block body 341, a first protrusion 342 arranged at one end of the block body 341, and a second protrusion 343 arranged at the other end of the block body 341, the connecting column 33 being fixedly connected with the block body 341, the first protrusion 342 and the second protrusion 343 being rotatable to the upper end surface of the supporting frame 31, the upper end surface of the supporting frame 31 being inclined to the side of the receiving mechanism 4, and the second protrusion 343 being located between the first protrusion 342 and the receiving mechanism 4.

[0026] In actual use, several pipe materials 100 are laid on the supporting frame 31, the No. 4 air cylinder 32 drives the connecting rod 35 to move, and drives the movable blocking block 34 connected with the connecting rod 35 to move, and then drives the connecting column 33 and the remaining movable blocking blocks 34 to move synchronously through the movable blocking block 34. When it is needed to release the pipe material 100 so that the pipe material 100 falls into the receiving mechanism 4, the No. 4 air cylinder 32 drives the connecting rod 35 to move, and the block body 341 rotates with the connecting column 33 to make the No. 2 protrusion 343 descend below the upper end surface of the supporting frame 31. The pipe material 100 originally limited by the No. 2 protrusion 343 is released, and at this time the No. 1 protrusion 342 rises above the upper end surface of the supporting frame 31 to block the remaining pipe material 100.

[0027] In the above design, the structural design and specific implementation of the feeding mechanism 3 facilitate the quick and automatic release of the pipe material 100.

[0028] Specifically, as shown in Figure 1 and Figure 5 , the receiving mechanism 4 comprises a No. 1 shaft 41, a plurality of No. 1 straight racks 42 slidingly arranged on the rack 1 along the Y direction, a plurality of No. 1 gears 43 coaxially fixedly arranged on the No. 1 shaft 41 and respectively engaged with the No. 1 straight racks 42, a No. 2 straight rack 44 slidingly arranged on the rack 1 along the Y direction, a No. 2 gear 45 coaxially fixedly arranged on the No. 1 shaft 41 and engaged with the No. 2 straight rack 44, a No. 5 air cylinder 46 fixedly arranged on the rack 1 for driving the No. 2 straight rack 44 to slide along the Y direction, a connecting block 47 fixedly arranged on the No. 1 straight rack 42, a No. 6 air cylinder 48 vertically fixedly arranged on the connecting block 47, and a pipe supporting seat 49 arranged on the output end of the No. 6 air cylinder 48.

[0029] In actual use, when it is needed to receive the pipe material 100 in the feeding mechanism 3, the No. 5 air cylinder 46 drives the No. 2 straight rack 44 to move to one side of the feeding mechanism 3, so that the No. 2 straight rack 44 and the No. 2 gear 45 are engaged to drive the No. 1 shaft 41 to rotate, and due to the engagement of the No. 1 gear 43 and the No. 1 straight rack 42, the No. 1 straight rack 42 is driven to move to one side of the feeding mechanism 3, so that the connecting block 47 and the pipe supporting seat 49 move synchronously, and then the No. 6 air cylinder 48 drives the pipe supporting seat 49 to move upward to receive the pipe material 100. Then the No. 5 air cylinder 46 is reset to drive the No. 2 straight rack 44 and the No. 1 straight rack 42 to reset, so that the pipe material 100 of the pipe supporting seat 49 moves to a position corresponding to the guide rail feeding mechanism 5 away from the feeding mechanism 3.

[0030] In the above design, the structural design and specific implementation of the receiving mechanism 4 can effectively realize the receiving of the pipe material 100 in the feeding mechanism 3 and align the pipe material 100 with the guide rail feeding mechanism 5.

[0031] Specifically, as shown in Figure 1 , Figure 2 andFigure 4 As shown in the figure, the guide rail feeding mechanism 5 comprises a guide rail 51 arranged on the rack 1 along the X direction, a sliding seat 52 slidingly arranged on the guide rail 51, a motor lead screw module 53 arranged on the rack 1 for driving the sliding seat 52 to slide along the guide rail 51, a fixed clamping plate 54 arranged on the sliding seat, a sliding clamping plate 55 arranged on the sliding seat 52 and opposite to the fixed clamping plate 54, and a No. 7 air cylinder 56 fixedly arranged on the sliding seat 52 for driving the sliding clamping plate 55 to move relative to the fixed clamping plate 54 along the Y direction.

[0032] In actual use, when it is necessary to clamp the pipe 100 in the receiving mechanism 4, the No. 7 air cylinder 56 drives the sliding clamping plate 55 to open relative to the fixed clamping plate 54, and then the motor lead screw module 53 drives the sliding seat 52 to move, so that the pipe body of the pipe 100 in the receiving mechanism 4 is located between the sliding clamping plate 55 and the fixed clamping plate 54. Subsequently, the No. 7 air cylinder 56 drives the sliding clamping plate 55 to move towards the fixed clamping plate 54, so that the sliding clamping plate 55 and the fixed clamping plate 54 clamp the pipe 100, and then the motor lead screw module 53 drives the sliding seat 52 to move along one side of the clamping and pushing mechanism 6.

[0033] In the above design, the structural design and specific implementation of the guide rail feeding mechanism 5 can effectively realize the clamping and pushing of the pipe 100.

[0034] Specifically, as shown in the figure, Figure 1 The unloading pushing mechanism 7 comprises a material supporting frame 71 on the rack 1 and a pushing assembly 72 arranged on the rack 1 for pushing the product cut by the cutting mechanism 2 to the material supporting frame 71.

[0035] In actual use, the pipe 100 cut into small sections falls onto the end face of the rack 1 corresponding to the pushing assembly 72, and then the pushing assembly 72 pushes the small section of the pipe 100 to the material supporting frame 71.

[0036] In the above design, the structural design and specific implementation of the unloading pushing mechanism 7 can effectively realize the rapid collection of the cut pipe 100.

[0037] Specifically, as shown in the figure, Figure 1 , Figure 5 and Figure 6As shown, the rack 1 is further provided with a guide roller assembly 8 cooperating with the material receiving mechanism 4, the guide roller assembly 8 comprising a plurality of lifting seats 801 arranged along the X direction, a plurality of roller shafts 802 respectively arranged on the upper end surfaces of the lifting seats 801 along the Y direction, a plurality of fixed seats 803 fixedly arranged on the rack 1 and located at the lower ends of the lifting seats 801, a screw-nut pair 804 connecting the fixed seats 803 and the lifting seats 801, a transmission shaft 805 rotatably arranged on the rack 1 along the X direction, a hand wheel 806 arranged at one end of the transmission shaft 805, a first umbrella-shaped gear 807 coaxially fixedly arranged on the transmission shaft 805, a seventh shaft arranged on the fixed seat 803 along the Y direction, a second umbrella-shaped gear 808 arranged on the seventh shaft and engaged with the first umbrella-shaped gear 807, a third umbrella-shaped gear 809 fixedly arranged at the screw end of the screw-nut pair 804, and a fourth umbrella-shaped gear 810 arranged at the other end of the seventh shaft and engaged with the third umbrella-shaped gear 809, the nut of the screw-nut pair 804 being connected with the lifting seat 801.

[0038] In actual use, when the pipe 100 is received by the material receiving mechanism 4, the sixth cylinder 48 of the material receiving mechanism 4 drives the pipe supporting seat 49 to descend, so that the pipe 100 is simultaneously supported by the pipe supporting seat 49 and the roller shafts 802. When it is necessary to adjust the height of the roller shafts 802, the hand wheel 806 is manually rotated to rotate the transmission shaft 805, the first umbrella-shaped gear 807 is synchronously rotated by the rotation of the transmission shaft 805, the second umbrella-shaped gear 808 is synchronously rotated by the first umbrella-shaped gear 807, the seventh shaft and the fourth umbrella-shaped gear are rotated by the second umbrella-shaped gear 808, and then the screw is rotated by the meshing in and out of the fourth umbrella-shaped gear 810 and the third umbrella-shaped gear 809, the screw is threadedly connected with the nut, so that the lifting seat 801 is lifted and the height of the roller shafts 802 is changed.

[0039] In the above design, the structure of the guide roller assembly 8 is convenient for the pipe 100 to be supported and guided by the material receiving mechanism 4.

[0040] It should be understood that the above description is only a specific embodiment of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pipe cutting device comprising a frame (1), a cutting mechanism (2) arranged on the frame (1), characterized in that: Further comprising a feeding mechanism (3) arranged on the rack (1), a receiving mechanism (4) arranged on one side of the feeding mechanism (3) for receiving the pipe (100) in the feeding mechanism (3), a guide rail feeding mechanism (5), a clamping and pushing mechanism (6) and a discharging pushing mechanism (7), the two ends of the guide rail feeding mechanism (5) are respectively corresponding to one end of the receiving mechanism (4) and the clamping and pushing mechanism (6), the guide rail feeding mechanism (5) is used for conveying the pipe (100) from the receiving mechanism (4) to the clamping and pushing mechanism (6), the clamping and pushing mechanism (6) is used for clamping and pushing the pipe (100) to the cutting mechanism (2) for cutting, the clamping and pushing mechanism (6) comprises a first clamping assembly (61) arranged on the rack (1) and a clamping and pushing assembly (62), the first clamping assembly (61) is arranged between the clamping and pushing assembly (62) and the cutting mechanism (2), the clamping and pushing assembly (62) comprises a sliding frame (621), a first air cylinder (622) arranged on the rack (1) for driving the sliding frame (621) to move along the X direction, a lifting plate (624) vertically slidingly arranged on the sliding frame (621), a second air cylinder (623) arranged on the sliding frame (621) for driving the lifting plate (624) to lift, a clamping jaw (625) arranged on the lifting plate (624), the clamping jaw (625) comprises a vertically arranged double-sided straight rack (6251), a third air cylinder (6252) driving the double-sided straight rack (6251) to lift, two claw toes symmetrically arranged along the double-sided straight rack (6251) and hinged to the lifting plate (624), one end of the claw toe is a circular arc gear part (6253) meshing with the double-sided straight rack (6251), the other end of the claw toe is a clamping groove part (6254) for clamping the pipe (100).

2. The pipe cutting apparatus of claim 1, wherein: The feeding mechanism (3) comprises a supporting carrier (31), a fourth air cylinder (32) arranged at the lower end of the supporting carrier (31), a connecting column (33) rotationally connected with the supporting carrier (31), a plurality of movable blocking blocks (34) fixedly arranged on the connecting column (33), and a connecting rod (35) hingedly connected with the output end of the fourth air cylinder (32) and a movable block at two ends, the movable block comprises a block body (341), a first protrusion (342) arranged at one end of the block body (341), and a second protrusion (343) arranged at the other end of the block body (341), the connecting column (33) is fixedly connected with the block body (341), the first protrusion (342) and the second protrusion (343) can be rotated to the upper end surface of the supporting carrier (31), the upper end surface of the supporting carrier (31) is inclined to one side of the receiving mechanism (4), and the second protrusion (343) is located between the first protrusion (342) and the receiving mechanism (4).

3. The pipe cutting apparatus of claim 1, wherein: The receiving mechanism (4) comprises a first shaft (41), a plurality of first straight racks (42) slidingly arranged on the rack (1) along the Y direction, a plurality of first gears (43) coaxially fixedly arranged on the first shaft (41) and meshing with the first straight racks (42) respectively, a second straight rack (44) slidingly arranged on the rack (1) along the Y direction, a second gear (45) coaxially fixedly arranged on the first shaft (41) and meshing with the second straight rack (44), a fifth air cylinder (46) fixedly arranged on the rack (1) and used for driving the second straight rack (44) to slide along the Y direction, a connecting block (47) fixedly arranged on the first straight rack (42), a sixth air cylinder (48) vertically fixedly arranged on the connecting block (47), and a pipe supporting seat (49) arranged at the output end of the sixth air cylinder (48).

4. The pipe cutting apparatus of claim 1, wherein: The guide rail feeding mechanism (5) comprises a guide rail (51) arranged on the rack (1) along the X direction, a sliding seat (52) slidingly arranged on the guide rail (51), a motor lead screw module (53) arranged on the rack (1) and used for driving the sliding seat (52) to slide along the guide rail (51), a fixed clamping plate (54) arranged on the sliding seat, a sliding clamping plate (55) arranged on the sliding seat (52) and arranged opposite to the fixed clamping plate (54), and a seventh air cylinder (56) fixedly arranged on the sliding seat (52) and used for driving the sliding clamping plate (55) to move along the Y direction relative to the fixed clamping plate (54).

5. The pipe cutting apparatus of claim 1, wherein: The blank pushing mechanism (7) comprises a material supporting frame (71) on the rack (1) and a pushing assembly (72) arranged on the rack (1) and used for pushing the product cut by the cutting mechanism (2) to the material supporting frame (71).

6. The pipe cutting apparatus of claim 1, wherein: The rack (1) is further provided with a guide roller assembly (8) cooperating with the receiving mechanism (4), the guide roller assembly (8) comprises a plurality of lifting seats (801) arranged along the X direction, a plurality of roller shafts (802) respectively arranged on the upper end faces of the lifting seats (801) along the Y direction, a plurality of fixed seats (803) fixedly arranged on the rack (1) and located at the lower ends of the lifting seats (801), a lead screw nut pair (804) connecting the fixed seats (803) and the lifting seats (801), a transmission shaft (805) rotatably arranged on the rack (1) along the X direction, a hand wheel (806) arranged at one end of the transmission shaft (805), a first umbrella gear (807) coaxially fixedly arranged on the transmission shaft (805), a seventh shaft arranged on the fixed seat (803) along the Y direction, a second umbrella gear (808) arranged on the seventh shaft and meshing with the first umbrella gear (807), a third umbrella gear (809) fixedly arranged at the end of the lead screw of the lead screw nut pair (804), and a fourth umbrella gear (810) arranged at the other end of the seventh shaft and meshing with the third umbrella gear (809), wherein the nut of the lead screw nut pair (804) is connected with the lifting seat (801).

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