CN210231698U

CN210231698U - Pipe cutting machine

Info

Publication number: CN210231698U
Application number: CN201921177989.8U
Authority: CN
Inventors: Rongshan Jiang; 蒋荣山
Original assignee: Jiexi Intelligent Household Essentials S&t Huizhou Co ltd
Current assignee: Guangdong JieXi Furniture Group Co.,Ltd.
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-03
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a pipe cutting machine belongs to tubular product processing technology field, including work frame, conveying component, rotating assembly, cutting assembly and two fixed subassemblies, two fixed subassembly symmetry sets up on the work frame, two fixed subassembly corresponds two mounting groove settings respectively, be equipped with the conveyer trough on the work frame, conveying component is including carrying a and locating part, carry a setting in the conveyer trough and rotate with the lateral wall of conveyer trough to be connected, the locating part sets up the top at the work frame, the locating part sets up the top at carrying a, rotating assembly sets up the discharge end of work frame, cutting assembly sets up on rotating assembly. The utility model discloses a two second dwang rotate and drive two fixed blocks and slide on two slide bars, and two fixed blocks remove and drive two fixed tooth plates and carry out the fixed operation to tubular product, prevent at the in-process of cutting, the position of tubular product takes place to remove the effect that influences the cutting.

Description

Pipe cutting machine

Technical Field

The utility model belongs to the technical field of the tubular product processing technique and specifically relates to a tubular product cutting machine is related to.

Background

With the development of the modern machining industry, the requirements on the cutting quality and precision are continuously improved, and the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic cutting function are also improved. The development of the numerical control cutting machine has to meet the requirements of the development of the modern mechanical processing industry. The cutting machine is classified into a flame cutting machine, a plasma cutting machine, a laser cutting machine, water cutting, and the like. The laser cutting machine has the fastest efficiency, the highest cutting precision and generally smaller cutting thickness. The plasma cutting machine has fast cutting speed and certain slope of the cut surface. The flame cutting machine is used for carbon steel materials with larger thickness. The laser cutting machine has the fastest efficiency, the highest cutting precision and generally smaller cutting thickness.

The utility model with publication number CN208681679U relates to a pipe cutting machine, which comprises a bottom plate, a base plate, a pressing plate, a cylinder fixing plate, a slide block, a blade, a fixing block, a positioning plate, a slide rail, a guard plate and an anti-collision block, wherein the base plate is fixed above the bottom plate; the pressing plate is buckled on the substrate; the cylinder fixing plate is fixed on the back surfaces of the base plate and the base plate; the cylinder is fixed on the cylinder fixing plate, and a piston in the cylinder penetrates through the cylinder fixing plate and is fixedly connected with the sliding block; the blade is fixed on the sliding block through the fixing block; the sliding rail is arranged on the base plate, and the sliding block is buckled on the sliding rail; an anti-collision block is fixed on the base plate in front of the slide rail; a guard plate is arranged on the left side of the substrate, and a certain space is reserved between the guard plate and the substrate; the positioning plate is fixed on the bottom plate. The utility model discloses a structural design is simple, in the production, uses this equipment can realize the quick accurate cutting of tubular product.

However, the above-mentioned devices also have the following problems in use: first, when cutting tubular product, the position of tubular product can not be fixed, influences the effect of cutting, and the second, when the cutting, can not adjust the angle of tubular product terminal surface cutting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe cutting machine to when solving among the prior art and cutting tubular product, the position of tubular product can not be fixed and can not adjust the angle technical problem of tubular product terminal surface cutting.

The utility model provides a pipe cutting machine, including work frame, conveying assembly, rotating assembly, cutting assembly and two fixed subassemblies, the top of work frame is equipped with two mounting grooves that supply two fixed subassemblies to install, two fixed subassembly symmetry sets up on the work frame, two fixed subassembly corresponds two mounting groove settings respectively and respectively with two mounting groove sliding fit, be equipped with the conveyer trough on the work frame, conveying assembly is including carrying piece and locating part, carry the piece setting in the conveyer trough and rotate with the lateral wall of conveyer trough and be connected, the locating part sets up the top at the work frame, the locating part sets up the top at carrying the piece, rotating assembly sets up the discharge end of work frame, rotating assembly and work frame normal running fit, cutting assembly sets up on rotating assembly.

Further, each fixing component comprises a fixed motor, a first rotating rod, two second rotating rods, two fixing blocks and two fixing toothed plates, two sliding rods are arranged in each mounting groove, fixed motor sets up on the work frame and the vertical upwards setting of fixed motor's output shaft, the mid portion of first dwang sets up on fixed motor's transport is epaxial, two fixed block symmetry set up on the mounting groove and with mounting groove sliding fit, two the fixed block all with two sliding bar sliding fit, two the one end of second dwang sets up respectively at the both ends of first dwang, two the second dwang is articulated with the both ends of first dwang respectively, two the other end of second dwang is rotated with the bottom of two fixed blocks respectively and is connected, two fixed pinion rack symmetry sets up on two fixed blocks.

Further, carry the piece including conveying motor, first belt pulley, second belt pulley, axis of rotation and delivery wheel, conveying motor sets up in the bottom of workstation and is located the side of conveyer trough, first belt pulley sets up on conveying motor's output shaft, the axis of rotation sets up on the workstation and the both ends of axis of rotation rotate with the lateral wall of conveyer trough respectively and is connected, the second belt pulley cover is established in the axis of rotation, the delivery wheel cover is established in the axis of rotation and is located the side of second belt pulley, first belt pulley and second belt pulley pass through the belt and connect.

Further, the locating part includes the mounting bracket, rotates the seat, rotates wheel, buffer spring, telescopic link and two installation plectanes, the mounting bracket sets up the top at the workstation and is located the conveyer trough, buffer spring's both ends and two installation plectane fixed connection, the both ends of telescopic link respectively with two installation plectane fixed connection, buffer spring passes through one of them installation plectane and mounting bracket fixed connection, the top that rotates the seat sets up the bottom at another installation plectane, rotate the wheel setting on rotating the seat and rotate with rotating the seat and be connected, it corresponds the setting with the conveyer wheel to rotate the wheel.

Further, the rotating assembly comprises a rotating motor, a rotating gear, a rotating disc and a rotating piece, the rotating gear is arranged at the bottom of the working frame, an output shaft of the rotating motor is vertically arranged upwards, the rotating gear is arranged on the output shaft of the rotating motor, the rotating disc is connected with the top of the working frame in a rotating mode through the rotating piece, the rotating gear is sleeved on the rotating disc, and the rotating gear is meshed with the rotating gear.

Further, it includes four movable pulleys and four rotation axes to rotate the piece, the top of work frame is equipped with the circular recess, the circular recess sets up in the below of rolling disc, four the one end of rotation axis is the circumference and sets up in the bottom of rolling disc, every the movable pulley sets up in the bottom rather than the axis of rotation that corresponds, every the movable pulley all with the lateral wall sliding fit of circular recess.

Further, the cutting assembly includes mount, lead screw slip table, fixed frame, cutting motor and cutting piece, the mount is the top of vertical setting at the rolling disc, lead screw slip table level sets up the top at the mount, the cutting motor is installed on the slider of lead screw slip table through fixed frame, the cutting piece sets up on the output shaft of cutting motor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of the two, the utility model discloses when cutting tubular product, fixed motor rotates and drives first dwang and rotate, and first dwang rotates and drives two second dwang rotations, and two second dwang rotations drive two fixed blocks and slide on two slide bars, and two fixed block removal drive two fixed tooth plates carry out the fixed operation to tubular product, prevent at the in-process of cutting, and the position of tubular product takes place to remove the effect that influences the cutting.

Two, the utility model discloses when cutting, the cutting motor rotates and drives the cutting piece and rotate, the cutting piece rotates and cuts tubular product, the slider of lead screw slip table removes and drives cutting motor horizontal migration and cut the operation to tubular product, rotatory gear wheel rotates and drives the gear rotation, the gear rotation drives the rolling disc and rotates, the rolling disc rotates and drives four rotation axis rotations, four rotation axis rotations drive four pulleys and slide in the circular slot, the rolling disc rotates and drives the cutting piece and rotate the cutting operation that carries out different angles to the terminal surface of tubular product.

Thirdly, the utility model discloses after tubular product cuts, need carry tubular product forward, the conveying motor rotates and drives first belt pulley rotation, the second belt pulley passes through the belt and drives the second belt pulley rotation, the second belt pulley rotates and drives the axis of rotation and rotates, the axis of rotation rotates and drives the delivery wheel rotation, the delivery wheel rotates and carries tubular product to cutting assembly's below, when tubular product is carried forward, rotate the wheel and rotate on rotating the seat, the setting of buffer spring and telescopic link is when tubular product is carried forward, can carry the operation to tubular product of unidimensional not, closely laminate the bottom and the delivery wheel of tubular product, be favorable to tubular product to carry forward.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic perspective view of the fixing assembly of the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 3;

fig. 6 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 7 is a schematic view of a partial three-dimensional structure of the present invention.

Reference numerals:

the cutting machine comprises a working frame 1, a mounting groove 11, a conveying groove 12, a sliding rod 13, a circular groove 14, a conveying assembly 2, a conveying piece 21, a conveying motor 211, a first belt pulley 212, a second belt pulley 213, a rotating shaft 214, a conveying wheel 215, a limiting piece 22, a mounting frame 221, a rotating seat 222, a rotating wheel 223, a buffer spring 224, a telescopic rod 225, a mounting circular plate 226, a rotating assembly 3, a rotating motor 31, a rotating gear 32, a rotating gear 33, a rotating disc 34, a rotating piece 35, a sliding wheel 351, a rotating shaft 352, a cutting assembly 4, a fixing frame 41, a screw rod sliding table 42, a fixing frame 43, a cutting motor 44, a cutting piece 45, a fixing assembly 5, a fixing motor 51, a first rotating rod 52, a second rotating rod 53, a fixing block 54 and a fixing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, an embodiment of the present invention provides a pipe cutting machine, including a work frame 1, a conveying assembly 2, a rotating assembly 3, a cutting assembly 4, and two fixing assemblies 5, wherein the top of the work frame 1 is provided with two mounting slots 11 for two fixing assemblies 5 to be mounted, two fixing assemblies 5 are symmetrically disposed on the work frame 1, two fixing assemblies 5 are respectively disposed corresponding to the two mounting slots 11 and respectively slidably engaged with the two mounting slots 11, the work frame 1 is provided with a conveying trough 12, the conveying assembly 2 includes a conveying member 21 and a limiting member 22, the conveying member 21 is disposed in the conveying trough 12 and rotatably connected to a sidewall of the conveying trough 12, the limiting member 22 is disposed at the top of the work frame 1, the limiting member 22 is disposed above the conveying member 21, the rotating assembly 3 is disposed at a discharge end of the work frame 1, the rotating assembly 3 is in running fit with the working frame 1, and the cutting assembly 4 is arranged on the rotating assembly 3; when cutting tubular product, put tubular product between two fixed subassemblies 5, two fixed subassemblies 5 are fixed to the tubular product, prevent at the in-process of cutting, the position of tubular product takes place to remove the effect that influences the cutting, cut the operation through cutting assembly 4 to tubular product after fixed, when the cutting, rotating assembly 3 rotates and drives cutting assembly 4 and rotate and can realize carrying out the cutting operation of different angles to the terminal surface of tubular product, after cutting a section of tubular product, carry tubular product forward through carrying 21, can realize carrying the automation forward of tubular product, carry tubular product to cutting assembly 4's below, when carrying, locating part 22 carries and fixes the top of tubular product, the stability of packing tubular product transport.

Specifically, every fixed subassembly 5 all includes fixed motor 51, first dwang 52, two second dwang 53, two fixed blocks 54 and two fixed tooth plates 55, every be equipped with two slide bars 13 in the mounting groove 11, fixed motor 51 sets up on the work frame 1 and the vertical upwards setting of fixed motor 51's output shaft, the mid portion of first dwang 52 sets up on fixed motor 51's transport axle, two fixed block 54 symmetry set up on mounting groove 11 and with mounting groove 11 sliding fit, two fixed block 54 all with two slide bars 13 sliding fit, two the one end of second dwang 53 sets up respectively at the both ends of first dwang 52, two second dwang 53 articulates with the both ends of first dwang 52 respectively, two the other end of second dwang 53 rotates with the bottom of two fixed blocks 54 respectively and is connected, the two fixed toothed plates 55 are symmetrically arranged on the two fixed blocks 54; fixed motor 51 rotates and drives first dwang 52 and rotate, and first dwang 52 rotates and drives two second dwang 53 and rotate, and two second dwang 53 rotate and drive two fixed blocks 54 and slide on two slide bars 13, and two fixed blocks 54 remove and drive two fixed tooth plates 55 and carry out the fixed operation to tubular product, prevent at the in-process of cutting, the position of tubular product takes place to remove the effect that influences the cutting.

Specifically, the conveying member 21 includes a conveying motor 211, a first belt pulley 212, a second belt pulley 213, a rotating shaft 214 and a conveying wheel 215, the conveying motor 211 is disposed at the bottom of the working frame 1 and located beside the conveying trough 12, the first belt pulley 212 is disposed on an output shaft of the conveying motor 211, the rotating shaft 214 is disposed on the working frame 1, two ends of the rotating shaft 214 are respectively rotatably connected with the side wall of the conveying trough 12, the second belt pulley 213 is sleeved on the rotating shaft 214, the conveying wheel 215 is sleeved on the rotating shaft 214 and located beside the second belt pulley 213, and the first belt pulley 212 and the second belt pulley 213 are connected through a belt; after the pipe is cut, the pipe needs to be conveyed forwards, the conveying motor 211 rotates to drive the first belt pulley 212 to rotate, the second belt pulley 213 drives the second belt pulley 213 to rotate through a belt, the second belt pulley 213 rotates to drive the rotating shaft 214 to rotate, the rotating shaft 214 rotates to drive the conveying wheel 215 to rotate, and the conveying wheel 215 rotates to convey the pipe to the lower part of the cutting assembly 4.

Specifically, the limiting member 22 includes a mounting frame 221, a rotating base 222, a rotating wheel 223, a buffer spring 224, an expansion link 225 and two installation circular plates 226, the mounting frame 221 is disposed on the top of the working frame 1 and located above the conveying trough 12, two ends of the buffer spring 224 are fixedly connected to the two installation circular plates 226, two ends of the expansion link 225 are respectively fixedly connected to the two installation circular plates 226, the buffer spring 224 is fixedly connected to the mounting frame 221 through one of the installation circular plates 226, the top of the rotating base 222 is disposed at the bottom of the other installation circular plate 226, the rotating wheel 223 is disposed on the rotating base 222 and rotatably connected to the rotating base 222, and the rotating wheel 223 is disposed corresponding to the conveying wheel 215; the two mounting circular plates 226 are used for mounting the buffer spring 224 and the telescopic rod 225, when the pipe is conveyed forwards, the rotating wheel 223 rotates on the rotating seat 222, and when the buffer spring 224 and the telescopic rod 225 are conveyed forwards, the pipe with different sizes can be conveyed, the bottom of the pipe is tightly attached to the conveying wheel 215, and the pipe is conveyed forwards.

Specifically, the rotating assembly 3 comprises a rotating motor 31, a rotating gear 32, a rotating gear 33, a rotating disc 34 and a rotating piece 35, wherein the rotating gear 33 is arranged at the bottom of the working frame 1, an output shaft of the rotating motor 31 is arranged vertically upwards, the rotating gear 33 is arranged on the output shaft of the rotating motor 31, the rotating disc 34 is rotatably connected with the top of the working frame 1 through the rotating piece 35, the rotating gear 32 is sleeved on the rotating disc 34, and the rotating gear 32 is meshed with the rotating gear 33; the rotating motor 31 rotates to drive the rotating gear 33 to rotate, the rotating gear 33 rotates to drive the rotating gear 32 to rotate, the rotating gear 32 rotates to drive the rotating disc 34 to rotate, and the rotating disc 34 rotates to drive the cutting assembly 4 to rotate to cut the end face of the pipe at different angles.

Specifically, the rotating member 35 includes four sliding wheels 351 and four rotating shafts 352, the top of the work frame 1 is provided with a circular groove 14, the circular groove 14 is arranged below the rotating disc 34, one end of each of the four rotating shafts 352 is circumferentially arranged at the bottom of the rotating disc 34, each of the sliding wheels 351 is arranged at the bottom of the rotating shaft 214 corresponding to the sliding wheel 351, and each of the sliding wheels 351 is in sliding fit with the side wall of the circular groove 14; the four rotating shafts 352 are rotated by the rotating disc 34, the four rotating shafts 352 are rotated to drive the four sliding wheels 351 to slide in the circular groove 14, and the four sliding wheels 351 are rotated to facilitate the rotating disc 34 to rotate on the work frame 1.

Specifically, the cutting assembly 4 comprises a fixed frame 41, a screw rod sliding table 42, a fixed frame 43, a cutting motor 44 and a cutting sheet 45, wherein the fixed frame 41 is vertically arranged at the top of the rotating disc 34, the screw rod sliding table 42 is horizontally arranged at the top of the fixed frame 41, the cutting motor 44 is arranged on a sliding block of the screw rod sliding table 42 through the fixed frame 43, and the cutting sheet 45 is arranged on an output shaft of the cutting motor 44; the fixed frame 41 is used for fixing and installing the screw rod sliding table 42, the fixed frame 43 is used for fixing the cutting motor 44, the cutting motor 44 rotates to drive the cutting piece 45 to rotate, the cutting piece 45 rotates to cut the pipe, and when the pipe is cut, the sliding block of the screw rod sliding table 42 moves to drive the cutting motor 44 to move horizontally to cut the pipe.

The working principle is as follows: when the utility model is used, when a pipe is cut, the fixed motor 51 rotates to drive the first rotating rod 52 to rotate, the first rotating rod 52 rotates to drive the two second rotating rods 53 to rotate, the two second rotating rods 53 rotate to drive the two fixed blocks 54 to slide on the two sliding rods 13, the two fixed blocks 54 move to drive the two fixed toothed plates 55 to perform fixed operation on the pipe, the pipe is prevented from moving in the cutting process to influence the cutting effect, the cutting motor 44 rotates to drive the cutting piece 45 to rotate, the cutting piece 45 rotates to cut the pipe, when the pipe is cut, the slider of the lead screw sliding table 42 moves to drive the cutting motor 44 to horizontally move to perform cutting operation on the pipe, the rotating gear 33 rotates to drive the rotating gear 32 to rotate, the rotating gear 32 rotates to drive the rotating disc 34 to rotate, the rotating disc 34 rotates to drive the four rotating shafts 352 to rotate, the four rotating shafts 352 rotate to drive the four sliding wheels 351 to slide in the circular grooves 14, the rotating disc 34 rotates to drive the cutting blades 45 to rotate to cut the end face of the pipe at different angles, after the pipe is cut, the pipe needs to be conveyed forwards, the conveying motor 211 rotates to drive the first belt pulley 212 to rotate, the second belt pulley 213 drives the second belt pulley 213 to rotate through a belt, the second belt pulley 213 rotates to drive the rotating shaft 214 to rotate, the rotating shaft 214 rotates to drive the conveying wheel 215 to rotate, the conveying wheel 215 rotates to convey the pipe to the lower part of the cutting assembly 4, when the pipe is conveyed forwards, the rotating wheel 223 rotates on the rotating seat 222, the buffer spring 224 and the telescopic rod 225 are arranged when the pipe is conveyed forwards, the pipe conveying device can convey pipes of different sizes, the bottoms of the pipes are tightly attached to the conveying wheels 215, and the pipes can be conveyed forwards.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A pipe cutting machine is characterized by comprising a working frame (1), a conveying assembly (2), a rotating assembly (3), a cutting assembly (4) and two fixing assemblies (5), wherein the top of the working frame (1) is provided with two mounting grooves (11) for mounting the two fixing assemblies (5), the two fixing assemblies (5) are symmetrically arranged on the working frame (1), the two fixing assemblies (5) are respectively arranged corresponding to the two mounting grooves (11) and are respectively in sliding fit with the two mounting grooves (11), the working frame (1) is provided with a conveying groove (12), the conveying assembly (2) comprises a conveying piece (21) and a limiting piece (22), the conveying piece (21) is arranged in the conveying groove (12) and is rotatably connected with the side wall of the conveying groove (12), the limiting piece (22) is arranged at the top of the working frame (1), the limiting part (22) is arranged above the conveying part (21), the rotating assembly (3) is arranged at the discharge end of the working frame (1), the rotating assembly (3) is in running fit with the working frame (1), and the cutting assembly (4) is arranged on the rotating assembly (3).

2. The pipe cutting machine according to claim 1, wherein: every fixed subassembly (5) all includes fixed motor (51), first dwang (52), two second dwang (53), two fixed blocks (54) and two fixed tooth plates (55), every be equipped with two slide bars (13) in mounting groove (11), fixed motor (51) set up on work frame (1) and the output shaft of fixed motor (51) is vertical upwards to be set up, the mid portion of first dwang (52) sets up on the transport axle of fixed motor (51), two fixed blocks (54) symmetry set up on mounting groove (11) and with mounting groove (11) sliding fit, two fixed blocks (54) all with two slide bar (13) sliding fit, two the one end of second dwang (53) sets up respectively at the both ends of first dwang (52), two second dwang (53) articulate with the both ends of first dwang (52) respectively, the other ends of the two second rotating rods (53) are respectively and rotatably connected with the bottoms of the two fixing blocks (54), and the two fixing toothed plates (55) are symmetrically arranged on the two fixing blocks (54).

3. The pipe cutting machine according to claim 2, wherein: carry piece (21) including conveying motor (211), first belt pulley (212), second belt pulley (213), axis of rotation (214) and delivery wheel (215), conveying motor (211) set up in the bottom of work frame (1) and are located the side of conveyer trough (12), first belt pulley (212) set up on the output shaft of conveying motor (211), axis of rotation (214) set up on work frame (1) and the both ends of axis of rotation (214) rotate with the lateral wall of conveyer trough (12) respectively and are connected, second belt pulley (213) cover is established on axis of rotation (214), delivery wheel (215) cover is established on axis of rotation (214) and is located the side of second belt pulley (213), first belt pulley (212) and second belt pulley (213) pass through the belt and connect.

4. A pipe cutting machine according to claim 3, characterized in that: the limiting piece (22) comprises a mounting frame (221), a rotating seat (222), a rotating wheel (223), a buffer spring (224), an expansion rod (225) and two mounting circular plates (226), the mounting rack (221) is arranged at the top of the working rack (1) and is positioned above the conveying groove (12), two ends of the buffer spring (224) are fixedly connected with two mounting round plates (226), two ends of the telescopic rod (225) are respectively fixedly connected with two mounting circular plates (226), the buffer spring (224) is fixedly connected with the mounting frame (221) through one mounting circular plate (226), the top of the rotating seat (222) is arranged at the bottom of the other mounting circular plate (226), the rotating wheel (223) is arranged on the rotating seat (222) and is in rotating connection with the rotating seat (222), and the rotating wheel (223) is arranged corresponding to the conveying wheel (215).

5. The pipe cutting machine according to claim 1, wherein: rotating assembly (3) include rotating electrical machines (31), rotating gear (32), rotating gear (33), rolling disc (34) and rotate piece (35), rotating gear (33) set up the vertical upwards setting of output shaft at the bottom of work frame (1) and rotating electrical machines (31), rotating gear (33) set up on the output shaft of rotating electrical machines (31), rolling disc (34) are rotated through the top of rotating piece (35) with work frame (1) and are connected, rotating gear (32) cover is established on rolling disc (34), rotating gear (32) and rotating gear (33) meshing.

6. The pipe cutting machine according to claim 5, wherein: the rotating part (35) comprises four sliding wheels (351) and four rotating shafts (352), a circular groove (14) is formed in the top of the working frame (1), the circular groove (14) is formed in the lower portion of the rotating disc (34), one end of each rotating shaft (352) is circumferentially arranged at the bottom of the rotating disc (34), each sliding wheel (351) is arranged at the bottom of the corresponding rotating shaft (214), and each sliding wheel (351) is in sliding fit with the side wall of the circular groove (14).

7. The pipe cutting machine according to claim 5, wherein: cutting subassembly (4) are including mount (41), lead screw slip table (42), fixed frame (43), cutting motor (44) and cutting piece (45), mount (41) are the top of vertical setting at rolling disc (34), lead screw slip table (42) level sets up the top at mount (41), install on the slider of lead screw slip table (42) through fixed frame (43) cutting motor (44), cutting piece (45) set up on the output shaft of cutting motor (44).