CN113601212B

CN113601212B - Cutting machine

Info

Publication number: CN113601212B
Application number: CN202110907904.2A
Authority: CN
Inventors: 李树森; 李巍
Original assignee: Dalai Nur Coal Industry Co Ltd
Current assignee: Dalai Nur Coal Industry Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-06-17
Anticipated expiration: 2041-08-09
Also published as: CN113601212A

Abstract

The application provides a cutting machine includes: frame, dress card mechanism, hobbing cutter device, drive wheel and power device. The hobbing cutter device includes: the cutting wheel seat, cut wheel subassembly and drive assembly. The application provides a cutting machine, dress card tubular product on hobbing cutter device, make the lateral wall of tubular product paste the intermediate position who tightly cuts the wheel subassembly, the incision that cuts the wheel subassembly is mutually perpendicular with tubular product, then cut wheel seat and drive assembly action, make the cutting edge that cuts the wheel subassembly cut into the tubular product pipe wall, power device drives through the drive wheel and cuts the whole rotation of surrounding tubular product of wheel subassembly, along with drive assembly's propulsion, the continuous feeding rolls the cutting in succession to tubular product, until cutting off tubular product, at the in-process that cuts tubular product, iron fillings do not form, the loss volume of tubular product has been reduced. Adopt and cut the wheel subassembly and cut tubular product with the mode of roll extrusion, the cutting edge of cutting the wheel subassembly changes with the contact mode of the inside bellied arris strip of tubular product, and the cutting edge does not directly form impact contact with the arris strip promptly, has correspondingly reduced the damage probability of cutting edge.

Description

Cutting machine

Technical Field

The application relates to the technical field of machinery, especially, relate to a cutting machine.

Background

During the manufacturing of bearing roller for the belt machine, need downcut from tubular product according to the appointed length of bearing roller barrel, then at the cutting process become standard bearing roller barrel, because the demand of bearing roller is bigger, generally adopt dedicated pipe cutting machine to implement cutting process to tubular product, some pipe cutting machine's pipe cutting mode adopts lathe pipe cutting, and the headstock that is used to reform transform drives tubular product and rotates, cuts off tubular product with the cutter of fixing on little planker, and some dedicated pipe cutting machine's pipe cutting mode is in addition: the tube is fixedly clamped on the bed surface, and the tube is cut off by rotating the cutter around the outer diameter of the tube. The prior art has the defects that: frequent damage of the cutter; because the steel pipe for processing and manufacturing the roller barrel body adopts the electric welding steel pipe, the outer circumference of the electric welding steel pipe is in an irregular convex circle shape, a convex rib is also formed in the inner hole of the electric welding steel pipe in the welding process, and the hardness of the periphery of the convex rib is larger, the abrasion of a cutting tool is accelerated in the process of cutting off the roller barrel body, and the problem of cutting off the cutting edge can also occur.

Disclosure of Invention

The utility model aims at providing a cutting machine that cutting effect is high, and can reduce the pipe cutting loss volume.

To achieve at least one of the above objects, the present application provides a cutting machine including: a frame; the clamping mechanism is arranged on the rack and used for fixing the pipe; the hobbing cutter device is arranged on the rack and is used for cutting the pipe; the driving wheel is arranged on the rack, can rotate relative to the rack and is provided with a wheel hole for passing through a pipe; the power device is arranged on the rack, connected with the driving wheel and used for providing rotary power for the driving wheel; wherein, hobbing cutter device includes: the cutting wheel seat is fixedly connected with the driving wheel and can rotate relative to the rack, and the cutting wheel seat is provided with a first through hole for penetrating through a pipe; the cutting wheel assembly is arranged on the cutting wheel seat and can slide on the cutting wheel seat; and the driving assembly is connected with the cutting wheel assembly and is used for driving the cutting wheel assembly to slide relative to the cutting wheel seat.

In some of these embodiments, the hob apparatus further comprises: the roller assembly is arranged on the wheel cutting seat and is opposite to the wheel cutting assembly, and the roller assembly can slide on the wheel cutting seat; the driving assembly is connected with the roller assembly and used for driving the roller assembly to slide relative to the wheel cutting seat.

In some of these embodiments, the drive assembly comprises: the connecting rod assembly is respectively connected with the roller assembly and the cutting wheel assembly; the elastic resetting piece is supported between the roller assembly and the cutting wheel assembly; the feeding mechanism can be pressed on the connecting rod assembly and is provided with a feeding mechanism for penetrating through a pipe; and the driving device is arranged on the rack, is connected with the feeding mechanism and is used for driving the feeding mechanism to move along the axial direction of the second through hole.

In some embodiments, the connecting rod assembly includes a first connecting rod and a second connecting rod hinged to the first connecting rod, the first connecting rod is connected to the roller assembly, the second connecting rod is connected to the cutting wheel assembly, a sliding block is disposed on the second connecting rod, the sliding block is located at a hinged position of the first connecting rod and the second connecting rod, and the feeding mechanism can press against the sliding block.

In some of these embodiments, the feed mechanism comprises: the pushing seat is connected with the driving device and is provided with the second through hole; the bearing is sleeved on the pushing seat; the jacking disc is sleeved on the bearing and can be pressed on the connecting rod assembly in a propping manner; and the gland is sleeved on the pushing seat and is connected with the jacking plate.

In some of these embodiments, the cutting machine further comprises: a plurality of guide rods provided on the feeding mechanism; and the guide sleeves are sleeved on the card loading mechanism and are respectively connected with the guide rods, and the guide rods can slide in the guide sleeves.

In some of these embodiments, the card loading mechanism includes: the frame is arranged on the rack, and a third through hole for passing through a pipe is formed in the frame; the driving piece is fixed on the frame; the fixed seat is fixed on the frame; the pressure head is connected with the driving piece and arranged opposite to the fixed seat, and the driving piece drives the pressure head to be close to or far away from the fixed seat and used for fixing the pipe.

In some of these embodiments, the cutting machine further comprises: the guide shaft is fixed on the rack; the limiting seat is arranged on the guide shaft and can slide on the guide shaft; and the baffle is fixed on the limiting seat and is used for interfering with the pipe.

In some embodiments, the power device is connected with the driving wheel through a transmission belt, the driving wheel comprises a transmission part and connecting parts fixed on two sides of the transmission part, the transmission part is connected with the transmission belt, and one connecting part is connected with the cutting wheel seat.

In some of these embodiments, the rack comprises: a machine tool having a mounting cavity, the power device being disposed within the mounting cavity; the upright post is arranged on the machine tool, and the transmission belt is positioned in the upright post; the two bearing blocks are used for fixing the machine tool and are respectively sleeved on the two connecting parts; a first protective cover disposed on the hob device; and a second protective cover provided on the transmission portion.

The above technical scheme of this application has following advantage:

1. the pipe is clamped on the hobbing cutter device, the side wall of the pipe is tightly attached to the middle position of the cutting wheel assembly, the cut of the cutting wheel assembly is perpendicular to the pipe, then the cutting wheel seat and the driving assembly move, the cutting edge of the cutting wheel assembly is enabled to cut into the pipe wall of the pipe, the power device drives the cutting wheel assembly to integrally surround the pipe to rotate through the driving wheel, the cutting edge is enabled to further cut into the pipe along with the propulsion of the driving assembly, continuous feed is conducted to roll and cut the pipe continuously until the pipe is cut off, no scrap iron is formed in the process of cutting the pipe, and the loss of the pipe is reduced.

2. The cutting wheel assembly is adopted to cut the pipe in a rolling mode, the contact mode of the cutting edge of the cutting wheel assembly and the inner convex edge strip of the pipe is changed, namely the cutting edge is not in direct impact contact with the edge strip, the damage probability of the cutting edge is correspondingly reduced, the link of grinding the cutter is omitted, the time occupied by the positions of the cutter grinding and adjusting is avoided, and the cutting efficiency of the pipe can be correspondingly improved.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration only and are not necessarily drawn to scale or quantity with respect to the actual product. Wherein:

FIG. 1 is a schematic view of a cutting machine according to the present application;

FIG. 2 is a schematic view of the cutting machine of FIG. 1 from another perspective;

FIG. 3 is a schematic cross-sectional view of the cutting machine of FIG. 1;

FIG. 4 is a schematic view of a portion of the cutting machine of FIG. 1;

fig. 5 is a schematic view of the structure shown in fig. 4 from another perspective.

Wherein, the correspondence between the reference numbers and the part names of fig. 1 to 5 is:

the device comprises a frame 10, a machine tool 11, a stand column 12, a bearing seat 13, a first protective cover 14, a second protective cover 15, a clamping mechanism 20, a frame 21, a driving part 22, a fixed seat 23, a pressure head 24, a hobbing cutter device 30, a cutting wheel seat 31, a cutting wheel assembly 32, a driving assembly 33, a connecting rod assembly 331, a first connecting rod 3311, a second connecting rod 3312, a sliding block 3313, an elastic reset part 332, a feeding mechanism 333, a pushing seat 3331, a bearing 3332, a jacking disc 3333, a gland 3334, a driving device 334, a servo motor 3341, a lead screw 3342, a nut 3343, a roller assembly 34, a driving wheel 40, a transmission part 41, a connecting part 42, a power device 50, a guide rod 60, a guide sleeve 70, a guide shaft 81, a limiting seat 82, a baffle 83 and a pipe 90.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

As shown in fig. 1 to 3, the present application provides a cutting machine including: the automatic hobbing machine comprises a frame 10, a clamping mechanism 20, a hobbing cutter device 30, a driving wheel 40 and a power device 50.

The clamping mechanism 20 is disposed on the frame 10 for fixing the tube 90.

The hob apparatus 30 is disposed on the frame 10 for cutting the tube 90.

The driving wheel 40 is provided on the frame 10 and is rotatable with respect to the frame 10, and the driving wheel 40 has a wheel hole for passing the tube 90.

The power unit 50 is provided on the frame 10 and connected to the driving wheels 40 for supplying rotational power to the driving wheels 40.

As shown in fig. 4 and 5, the hob apparatus 30 includes: a cutting wheel seat 31, a cutting wheel assembly 32 and a driving assembly 33.

The cutting wheel seat 31 is fixedly connected with the driving wheel 40 and can rotate relative to the frame 10, the cutting wheel seat 31 is provided with a first through hole for penetrating the pipe 90, and the driving wheel 40 is used for driving the cutting wheel seat 31 to rotate.

The cutting wheel assembly 32 is arranged on the cutting wheel seat 31 and can slide on the cutting wheel seat 31.

The driving assembly 33 is connected with the cutting wheel assembly 32 and is used for driving the cutting wheel assembly 32 to slide relative to the cutting wheel seat 31.

The cutter wheel assembly 32 comprises: first guide rail, first round pin axle, cut wheel fixing base and cut the wheel.

The cutter wheel assembly 32 is slidably coupled in a dovetail groove on one side of the cutter wheel holder 31 via a first guide rail.

The first pin shaft is fixed on the first guide rail.

The cutting wheel fixing seat is sleeved on the first pin shaft and is rotationally connected with the first pin shaft.

The cutting wheel is rotatably arranged on the cutting wheel fixing seat through a bearing and can abut against the pipe 90.

The utility model provides a cutting machine, dress card tubular product 90 on hobbing cutter device 30, make tubular product 90's lateral wall paste the intermediate position of tightly cutting wheel subassembly 32, the incision of cutting wheel subassembly 32 is mutually perpendicular with tubular product 90, drive assembly 33 drive cutting wheel subassembly 32 moves, make the cutting edge of cutting wheel subassembly 32 cut into the tubular product 90 pipe wall, power device 50 drives through drive wheel 40 and cuts the whole pipe 90 rotation of encircleing of wheel subassembly 32, along with the propulsion of drive assembly 33, make the cutting edge further cut into tubular product 90, the continuous feed rolls pipe 90 in succession, until cutting off tubular product 90, at the in-process of cutting tubular product 90, cutting wheel subassembly 32 cuts tubular product 90 roll extrusion, iron fillings are not formed, the loss of tubular product 90 has been reduced. Adopt and cut wheel subassembly 32 to cut tubular product 90 with the mode of roll extrusion, the contact mode of the cutting edge of cutting wheel subassembly 32 and the inside bellied arris of tubular product 90 changes, and the cutting edge directly forms impact contact with the arris promptly, has correspondingly reduced the damage probability of cutting edge, consequently in having cancelled this link of grinding cutter, has avoided the time that the position of whetting a knife and adjusting the cutter took, correspondingly can improve tubular product 90's cutting efficiency.

As shown in fig. 4 and 5, in one embodiment of the present application, the hob apparatus 30 further includes: a roller assembly 34.

The roller assembly 34 is arranged on the cutting wheel seat 31 and is opposite to the cutting wheel assembly 32, and the roller assembly 34 can slide on the cutting wheel seat 31.

The driving assembly 33 and the roller assembly 34 are used for driving the roller assembly 34 to slide relative to the wheel cutting seat 31.

The roller assembly 34 includes: second guide rail, gyro wheel fixing base, second round pin axle and gyro wheel.

The roller assembly 34 is slidably connected in the dovetail groove on the other side of the cutting wheel seat through a second guide rail.

The second pin shaft is fixed on the second guide rail.

The roller fixing seat is sleeved on the second pin shaft and is rotationally connected with the second pin shaft.

The roller is rotatably arranged on the roller fixing seat through a roller shaft and can be abutted against the pipe 90.

After the tube 90 is installed in the hob device 30, the tube 90 is located between the roller assembly 34 and the cutting wheel assembly 32, the driving assembly 33 drives the roller assembly 34 and the cutting wheel assembly 32 to move towards the tube 90 until the roller assembly 34 and the cutting wheel assembly 32 abut against the tube 90, so that the cutting edge of the cutting wheel assembly 32 cuts into the wall of the tube 90, the power device 50 drives the cutting wheel assembly 32 and the roller assembly 34 to rotate relative to the tube 90 through the driving wheel 40 and the cutting wheel seat 31, the cutting edge further cuts into the tube 90 along with the advance of the driving assembly 33, the tube 90 is continuously rolled and cut by continuous feed until the tube 90 is cut off, no scrap iron is formed in the process of cutting the tube 90, and the loss of the tube 90 is reduced. The direction of the force applied to the pipe 90 by the roller assembly 34 is opposite to the direction of the force applied to the pipe 90 by the cutting wheel assembly 32, so that the stress uniformity of the pipe 90 is ensured, the probability of deviation of the pipe 90 in the cutting process is avoided, and the stability of cutting the pipe 90 is ensured.

As shown in fig. 1 to 5, in one embodiment of the present application, the driving assembly 33 includes: a connecting rod assembly 331, an elastic reset piece 332, a feeding mechanism 333 and a driving device 334.

The connecting rod assembly 331 is connected to the roller assembly 34 and the cutting wheel assembly 32, respectively.

The elastic return member 332 is supported between the roller assembly 34 and the cutting wheel assembly 32.

The feeding mechanism 333 can be pressed against the connecting rod assembly 331, and the feeding mechanism 333 has a second through hole for passing through the pipe 90.

The driving device 334 is disposed on the frame 10 and connected to the feeding mechanism 333, for driving the feeding mechanism 333 to move along the axial direction of the second through hole.

The connecting rod assembly 331 enables the roller assembly 34 and the cutting wheel assembly 32 to be linked, the elastic resetting assembly 332 enables a gap for the pipe 90 to pass through to be formed between the roller assembly 34 and the cutting wheel assembly 32, after the pipe 90 is installed in the hobbing cutter device 30, the pipe 90 is located between the roller assembly 34 and the cutting wheel assembly 32, the driving device 334 drives the feeding mechanism 333 to move along the axial direction of the second through hole, the feeding mechanism 333 extrudes the connecting rod assembly 331, the connecting rod assembly 331 drives the roller assembly 34 and the cutting wheel assembly 32 to move towards the pipe 90 until the roller assembly 34 and the cutting wheel assembly 32 abut against the pipe 90, and at the moment, the elastic resetting assembly 332 stores force, so that the pipe 90 is cut. On the contrary, the driving device 334 drives the feeding mechanism 333 to move along the axial direction of the second through hole, the feeding mechanism 333 is far away from the connecting rod assembly 331, the connecting rod assembly 331 is reset under the elastic force of the elastic resetting member 332, and therefore the roller assembly 34 and the cutting wheel assembly 32 are driven to move far away from the pipe 90, and the pipe 90 can be detached from the hobbing cutter device 30. The structure is simple, the operation is convenient, and the movement of the roller assembly 34 and the cutting wheel assembly 32 relative to the pipe 90 can be effectively realized.

As shown in fig. 1 and 2, in one embodiment of the present application, the driving device 334 includes a servo motor 3341, a lead screw 3342, and a nut 3343. The screw 3342 is connected to a servo motor 3341, the nut 3343 is disposed on the pushing base 3331 of the feeding mechanism 333, the servo motor 3341 drives the screw 3342 to rotate, and the nut 3343 moves linearly on the screw 3342 to drive the pushing base 3331 to move.

As shown in fig. 4 and 5, in an embodiment of the present invention, the connecting rod assembly 331 includes a first connecting rod 3311 and a second connecting rod 3312 hinged to the first connecting rod 3311, the first connecting rod 3311 is connected to the roller assembly 34, the second connecting rod 3312 is connected to the cutter assembly 32, a sliding block 3313 is disposed on the second connecting rod 3312, the sliding block 3313 is located at a hinged position of the first connecting rod 3311 and the second connecting rod 3312, and the feeding mechanism 333 can press against the sliding block 3313.

When the feeding mechanism 333 squeezes the connecting rod assembly 331, the feeding mechanism 333 abuts against the sliding block 3313, and the angle between the first connecting rod 3311 and the second connecting rod 3312 becomes smaller and smaller, so as to drive the roller assembly 34 and the cutting wheel assembly 32 to move towards the tube 90 until the roller assembly 34 and the cutting wheel assembly 32 abut against the tube 90, at this time, the elastic resetting member 332 stores force, the power device 50 drives the cutting wheel seat 31 to rotate through the driving wheel 40, and the sliding block 3313 slides relative to the feeding mechanism 333, so as to realize the rotation of the roller assembly 34 and the cutting wheel assembly 32 relative to the tube 90. On the contrary, when the feeding mechanism 333 is far away from the connecting rod assembly 331, under the elastic force of the elastic restoring member 332, the angle between the first connecting rod 3311 and the second connecting rod 3312 is increased, so as to drive the roller assembly 34 and the cutting wheel assembly 32 to move away from the tube 90, and thus the tube 90 can be detached from the hob device 30. The structure is simple, the operation is convenient, and the movement of the roller assembly 34 and the cutting wheel assembly 32 relative to the pipe 90 can be effectively realized. In one embodiment of the present application, a ball is disposed on the slider 3313, and the slider 3313 is in rolling contact with the feed mechanism 333.

As shown in fig. 3, in one embodiment of the present application, the feeding mechanism 333 includes: a pressing base 3331, a bearing 3332, a pressing plate 3333, and a pressing cover 3334.

The pushing seat 3331 is connected to the driving device 334, and the pushing seat 3331 has a second through hole.

The bearing 3332 is sleeved on the push seat 3331.

The top pressure plate 3333 is sleeved on the bearing 3332 and can be pressed against the connecting rod assembly 331.

The pressing cover 3334 is sleeved on the pressing seat 3331 and connected with the top pressing disc 3333.

Along the axial direction of the second through hole, the driving device 334 applies a thrust force to the pushing seat 3331, the pushing seat 3331 drives the bearing 3332, the pressing disc 3333 and the pressing cover 3334 to move, the pressing disc 3333 abuts against the connecting rod assembly 331, the connecting rod assembly 331 drives the roller assembly 34 and the cutting wheel assembly 32 to move towards the pipe 90 until the roller assembly 34 and the cutting wheel assembly 32 abut against the pipe 90, at this time, the elastic resetting member 332 stores the force, the power device 50 drives the cutting wheel seat 31 to rotate through the driving wheel 40, the connecting rod assembly 331 drives the pressing disc 3333 and the pressing cover 3334 to rotate relative to the pushing seat 3331 through the bearing 3332, and therefore the roller assembly 34 and the cutting wheel assembly 32 rotate relative to the pipe 90 to cut. The structure is simple, the operation is convenient, and the rotation of the roller assembly 34 and the cutting wheel assembly 32 relative to the pipe 90 can be effectively realized.

As shown in fig. 1 and 2, in one embodiment of the present application, the cutting machine further includes: a plurality of guide rods 60 and a plurality of guide sleeves 70.

A plurality of guide rods 60 are provided on the feed mechanism 333.

The plurality of guide bushes 70 are provided on the chucking mechanism 20, and are connected to the plurality of guide rods 60, respectively, and the guide rods 60 are slidable within the guide bushes 70.

The arrangement of the guide rod 60 and the guide sleeve 70 plays a limiting role, and limits the movement direction of the feeding mechanism 333, so that the feeding mechanism 333 can stably make linear movement, the situation that the feeding mechanism 333 shakes in the movement process is avoided, and the movement stability of the feeding mechanism 333 is ensured.

As shown in fig. 1 and 2, in one embodiment of the present application, the card loading mechanism 20 includes: frame 21, driving piece 22, fixing base 23 and pressure head 24.

The frame 21 is disposed on the frame 10, and the frame 21 is provided with a third through hole for passing through the pipe 90. The guide sleeve 70 is fixed to the frame 21.

The drive member 22 is fixed to the frame 21.

The fixed seat 23 is fixed to the frame 21.

The pressure head 24 is connected with the driving member 22 and is arranged opposite to the fixed seat 23, and the driving member 22 drives the pressure head 24 to be close to or far away from the fixed seat 23 for fixing the pipe 90.

The fixing seat 23 is used for supporting the pipe 90, and the driving head 24 of the driving part 22 is close to the fixing seat 23 until the driving head 24 is pressed on the pipe 90, so that the pipe 90 is fixed. The drive member 22 is a pneumatic cylinder and the ram 24 is secured to the rod of the pneumatic cylinder. The clamping mechanism 20 is simple in structure and convenient to operate, and can effectively fix the pipe 90.

As shown in fig. 1 and 2, in one embodiment of the present application, the cutting machine further includes: guide shaft 81, stopper seat 82, and stopper 83.

The guide shaft 81 is fixed to the frame 10.

The stopper seat 82 is provided on the guide shaft 81 and can slide on the guide shaft 81.

The baffle 83 is fixed on the limiting seat 82 and used for interfering with the pipe 90.

After the pipe 90 is installed in place, one end of the pipe 90 abuts against the baffle 83, and the cut length of the pipe 90 is adjusted by adjusting the position of the limiting seat 82 on the guide shaft 81. The limit seat 82 is provided with the baffle 83 with various sizes, and the baffle 83 with a proper size can be selected according to the pipes 90 with different sizes.

As shown in fig. 3 to 5, in an embodiment of the present application, the power device 50 is connected to the driving wheel 40 through a transmission belt, the driving wheel 40 includes a transmission part 41 and a connection part 42 fixed on both sides of the transmission part 41, the transmission part 41 is connected to the transmission belt, and one connection part 42 is connected to the cutting wheel seat 31.

The driving wheel 40 is a belt pulley, the transmission part 41 is provided with a belt groove, and the two connecting parts 42 are respectively connected with the frame 10 in a rotatable manner; the second bearing 3332 is fixedly connected to the frame 10, a connecting portion 42 is connected to the cutting wheel seat 31 through a thread, the power device 50 drives the pulley to rotate relative to the frame 10 through a belt, and the pulley drives the cutting wheel seat 31 to rotate through the connecting portion 42, so as to complete the cutting of the tube 90.

As shown in fig. 1 and 2, in one embodiment of the present application, the rack 10 includes: a machine tool 11, a column 12, two bearing blocks 13, a first protective cover 14 and a second protective cover 15.

The machine tool 11 has a mounting cavity in which the power unit 50 is disposed.

A column 12 is provided on the machine tool 11, and a belt is located within the column 12.

The two bearing blocks 13 fix the machine tool 11 and are respectively sleeved on the two connecting parts 42.

The first protective cover 14 is placed over the hob apparatus 30.

The second protective cover 15 covers the transmission portion 41.

The power device 50 is arranged in the mounting cavity, so that the space of the machine tool 11 is reasonably utilized, the space occupied by the power device 50 is reduced, and the layout is reasonable. In addition, the first protection cover 14 protects the hob device 30, and external impact on the hob device 30 is avoided. Similarly, the second protective cover 15 protects the transmission part 41, and avoids the external impact on the transmission part 41.

As shown in fig. 1 to 5, the specific working process of the cutting machine is as follows:

the position of the stopper seat 82 on the guide shaft 81 is adjusted, and an appropriate stopper 83 is selected. One end of the pipe 90 passes through the clamping mechanism 20, the hob device 30 and the driving wheel 40 in sequence and abuts against the baffle 83. The cylinder stretches out of the cylinder rod, so that the pressure head 24 is pressed on the pipe 90, and the pressure head 24 is matched with the fixed seat 23 to fix the pipe 90. The power device 50 is started, the power device 50 drives the driving wheel 40 to rotate relative to the frame 10 through the belt, and the driving wheel 40 drives the cutting wheel seat 31 to rotate through the connecting part 42. The servo motor 3341 is started, the servo motor 3341 drives the lead screw 3342 to rotate, the nut 3343 makes a linear motion on the lead screw 3342, the nut 3343 drives the pushing seat 3331 to move towards the cutting wheel seat 31, the pushing seat 3331 drives the bearing 3332, the pushing disk 3333 and the pressing cover 3334 to move, the pushing disk 3333 presses against the sliding block 3313, the angle between the first connecting rod 3311 and the second connecting rod 3312 is smaller and smaller, so that the roller assembly 34 and the cutting wheel assembly 32 are driven to move towards the tube 90 until the roller assembly 34 and the cutting wheel assembly 32 are pressed against the tube 90, at the moment, the elastic resetting member 332 stores the force, the cutting wheel seat 31 drives the pushing disk 3333 and the pressing cover 3334 to rotate relative to the pushing seat 3331 through the bearing 3332 through the sliding block 3313, and the rotating cutting wheel seat 31 drives the tube roller assembly 34 and the cutting wheel assembly 32 to rotate relative to the cutting wheel 90, so as to cut the tube 90.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application. In this application, the term "plurality" means two or more unless explicitly defined otherwise. In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims

1. A cutting machine, characterized by comprising:

a frame;

the clamping mechanism is arranged on the rack and used for fixing the pipe;

the hobbing cutter device is arranged on the rack and is used for cutting the pipe;

the driving wheel is arranged on the rack and can rotate relative to the rack, and the driving wheel is provided with a wheel hole for penetrating through a pipe; and

the power device is arranged on the rack, is connected with the driving wheel and is used for providing rotary power for the driving wheel;

wherein, hobbing cutter device includes:

the cutting wheel seat is fixedly connected with the driving wheel and can rotate relative to the rack, and the cutting wheel seat is provided with a first through hole for penetrating through a pipe;

the cutting wheel assembly is arranged on the cutting wheel seat and can slide on the cutting wheel seat; and

the driving assembly is connected with the cutting wheel assembly and is used for driving the cutting wheel assembly to slide relative to the cutting wheel seat;

the hobbing cutter device still includes: the roller assembly is arranged on the wheel cutting seat and is opposite to the wheel cutting assembly, and the roller assembly can slide on the wheel cutting seat; the driving assembly is connected with the roller assembly and is used for driving the roller assembly to slide relative to the wheel cutting seat;

the drive assembly includes: the connecting rod assembly is respectively connected with the roller assembly and the cutting wheel assembly;

the elastic resetting piece is supported between the roller assembly and the cutting wheel assembly;

the feeding mechanism can be pressed on the connecting rod assembly and is provided with a second through hole for passing through a pipe; and

the driving device is arranged on the rack, is connected with the feeding mechanism and is used for driving the feeding mechanism to move along the axial direction of the second through hole;

the connecting rod assembly comprises a first connecting rod and a second connecting rod hinged with the first connecting rod, the first connecting rod is connected with the roller assembly, the second connecting rod is connected with the cutting wheel assembly, a sliding block is arranged on the second connecting rod, the sliding block is positioned at the hinged position of the first connecting rod and the second connecting rod, and the feeding mechanism can be pressed on the sliding block;

the feed mechanism includes: the pushing seat is connected with the driving device and is provided with the second through hole;

the bearing is sleeved on the pushing seat;

the jacking plate is sleeved on the bearing and can be pressed against the connecting rod assembly; and

and the gland is sleeved on the pushing seat and is connected with the jacking plate.

2. The cutting machine of claim 1, further comprising:

a plurality of guide rods provided on the feeding mechanism; and

the guide sleeves are sleeved on the card loading mechanism and are respectively connected with the guide rods, and the guide rods can slide in the guide sleeves.

3. The cutting machine according to any one of claims 1 to 2,

the card loading mechanism comprises: the frame is arranged on the rack, and a third through hole for passing through a pipe is formed in the frame;

the driving piece is fixed on the frame;

the fixed seat is fixed on the frame; and

the pressure head, the pressure head with the driving piece is connected, and with the fixing base sets up relatively, the driving piece drive the pressure head is close to or keeps away from the fixing base is used for fixing tubular product.

4. The cutting machine according to any one of claims 1 to 2, further comprising: the guide shaft is fixed on the rack;

the limiting seat is arranged on the guide shaft and can slide on the guide shaft; and

and the baffle is fixed on the limiting seat and is used for interfering with the pipe.

5. The cutting machine according to any one of claims 1 to 2,

the power device is connected with the driving wheel through a transmission belt, the driving wheel comprises a transmission part and connecting parts fixed on two sides of the transmission part, the transmission part is connected with the transmission belt, and one of the connecting parts is connected with the cutting wheel seat.

6. The cutting machine according to claim 5,

the frame includes: a machine tool having a mounting cavity, the power device being disposed within the mounting cavity;

the upright post is arranged on the machine tool, and the transmission belt is positioned in the upright post;

the two bearing blocks are fixed on the machine tool and are respectively sleeved on the two connecting parts;

a first protective cover disposed on the hob device; and

a second protective cover disposed on the transmission portion.