CN112719406B - Round tube cutting device and round tube rotary cutter with same - Google Patents
Round tube cutting device and round tube rotary cutter with same Download PDFInfo
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- CN112719406B CN112719406B CN202011286581.1A CN202011286581A CN112719406B CN 112719406 B CN112719406 B CN 112719406B CN 202011286581 A CN202011286581 A CN 202011286581A CN 112719406 B CN112719406 B CN 112719406B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D21/00—Machines or devices for shearing or cutting tubes
- B23D21/006—Machines or devices for shearing or cutting tubes and sealing, crushing or chamfering the tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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Abstract
The invention provides a circular tube cutting device and a circular tube rotary cutter with the same. The main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly respectively comprise a blade and a cutter frame used for installing the blade, and included angles are formed between the cutting edge of the blade of the inverted inner angle cutter assembly and the central axis of the rotary cutter disc and between the cutting edge of the blade of the inverted outer angle cutter assembly and the central axis of the rotary cutter disc. The circular tube cutting device and the circular tube rotary cutter with the circular tube cutting device can realize online cutting of circular tubes, and carry out inner angle chamfering and outer angle chamfering operations while cutting the circular tubes, thereby improving the cutting quality and the cutting efficiency of finished circular tube section products.
Description
Technical Field
The invention relates to circular tube cutting equipment, in particular to a circular tube cutting device and a circular tube rotary cutter with the same.
Background
At present, the circular tube rotary cutter is generally to cut the pipe class work piece through the rotary-cut of circular saw, but the pipe section finished product that cuts out like this produces obvious burr easily at the port department, and the cutting quality is relatively poor, needs operating personnel to transport the pipe that cuts to appointed equipment department and carries out the polishing of port department, can not carry out cutting, burring, interior angle, the exterior angle of falling of pipe simultaneously, leads to cutting quality poor and cutting inefficiency like this.
Disclosure of Invention
The invention aims to provide a circular tube cutting device, which solves the problem that the existing circular tube cutting device cannot simultaneously cut, deburr, chamfer internal angles and chamfer external angles of a circular tube.
The second purpose of the present invention is to provide a circular tube rotary cutting machine, which solves the problem that the existing circular tube rotary cutting machine can not simultaneously perform cutting, deburring, inner angle chamfering and outer angle chamfering of circular tubes.
One of the objects of the invention is achieved by: a circular tube cutting device comprises a rotary cutter disc, a main cutter assembly, an inverted inner angle cutter assembly and an inverted outer angle cutter assembly, wherein the main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly are arranged along the circumferential direction of the rotary cutter disc;
the main cutter assembly, the interior angle cutter assembly of falling with the exterior angle cutter assembly all includes the blade and is used for installing the knife rest of blade, the cutting edge of the blade of interior angle cutter assembly with between the central axis of rotary-cut blade disc, the cutting edge of the blade of exterior angle cutter assembly with all there is the contained angle between the central axis of rotary-cut blade disc.
The included angle between the cutting edge of the blade of the inverted inner angle cutter assembly and the central axis of the rotary cutter disc and the included angle between the cutting edge of the blade of the inverted outer angle cutter assembly and the central axis of the rotary cutter disc are both in the range of 5-35 degrees.
The main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly further comprise sliding guide rails fixedly connected with the corresponding cutter holders, the sliding guide rails are arranged along the end face of the rotary cutter disc in a radial sliding mode, and sliding grooves matched with the sliding guide rails are formed in the end face of the rotary cutter disc;
a spring is arranged between one end of the sliding guide rail, which is opposite to the tool rest, and the rotary cutter disc;
an adjusting cone is coaxially arranged outside the rotary cutter disc.
And one end of the sliding guide rail, which is opposite to the tool rest, is provided with a spring adjusting support used for fixedly mounting the spring, and the corresponding end of the sliding guide rail is provided with a plurality of adjusting holes used for mounting the spring adjusting support along the axial direction of the sliding guide rail.
The included angle between the generatrix of the adjusting cone cylinder and the central axis of the adjusting cone cylinder is 45 degrees.
The second purpose of the invention is realized by the following steps:
a circular tube rotary cutter comprises a base, a shaft tube arranged in the base, a first driving mechanism arranged at the input end of the shaft tube, a clamping assembly arranged at the output end of the shaft tube and a circular tube cutting device arranged at the output end of the clamping assembly, wherein the circular tube cutting device is the circular tube cutting device;
and the outer side of the axial middle part of the shaft tube is coaxially provided with a feeding mechanism for driving the conical cylinder adjusting axial displacement of the circular tube cutting device.
First actuating mechanism includes first motor, drive pulley and driven pulley, and the drive pulley is fixed to be set up the motor shaft output of first motor, driven pulley pass through the belt with the drive pulley is connected, the driven pulley is coaxial to be set up the outside of central siphon input.
The feeding mechanism comprises a sliding feeding disc, a sliding shaft shell, a sliding fixing sleeve and a driven gear which are coaxially sleeved on the outer side of the shaft tube from inside to outside in sequence;
the sliding feeding disc is rotatably connected with the sliding shaft shell, the outer circumferential surface of the sliding shaft shell is spirally connected with the inner circumferential surface of the sliding fixing sleeve, the driven gear is fixedly connected with the sliding fixing sleeve, and the sliding feeding disc is fixedly connected with the adjusting conical cylinder. The beneficial effects of the invention are:
the circular tube cutting device comprises a rotary cutter disc, a main cutter assembly, an inverted inner angle cutter assembly and an inverted outer angle cutter assembly, wherein the rotary cutter disc drives the main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly to synchronously rotate when rotating, and under the combined action of the main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly, inverted inner angles and inverted outer angles can be carried out on the end part of a circular tube section finished product while cutting off the circular tube section finished product, so that burrs are avoided, an operator does not need to transport the cut circular tube section to different equipment for subsequent inverted inner angles and inverted outer angles, and the production time of the circular tube section finished product is shortened.
The round tube rotary cutter can realize on-line cutting of round tubes, and can perform inner angle chamfering and outer angle chamfering while cutting the round tubes, so that the cutting quality and the cutting efficiency of the finished round tube section are improved.
Drawings
FIG. 1 is a schematic view of a circular tube cutting apparatus;
FIG. 2 is a schematic perspective view of a circular tube cutting apparatus;
FIG. 3 is a right side view of the adjustment cone of FIG. 1 with the adjustment cone removed;
FIG. 4 is a diagram of the relative positions of a chamfer insert and a chamfer insert;
fig. 5 is a schematic structural view of a circular tube rotary cutting machine;
fig. 6 is a structural schematic view of another section of a round tube rotary cutting machine;
fig. 7 is a perspective view of a circular tube rotary cutting machine;
fig. 8 is a perspective view of another angle of the circular tube rotary cutting machine;
fig. 9 is an enlarged structural view of a of fig. 6.
In the figure: 1. a circular tube cutting device; 2. a machine base; 3. an axle tube; 4. a first drive mechanism; 5. a clamping assembly; 6. a feed mechanism; 7. pushing the plate; 11. rotary cutting the cutter disc; 12. a main cutter assembly; 13. an inverted inner angle cutter assembly; 14. a chamfer cutter assembly; 15. a sliding guide rail; 16. a tool holder; 17. adjusting the conical cylinder; 18. a support guide mechanism; 19. A spring; 121. A cutting blade; 122. a cutting blade; 131. an inner angle chamfering blade; 132. chamfering the inner angle blade; 141. 142, the chamfer cutting edge; 151. a spring adjusting support; 152. an adjustment hole; 171. a push key; 172. connecting an end cover; 41. a first motor; 42. a drive pulley; 43. a driven pulley; 51. an elastic locking cylinder; 52. a spiral connecting sleeve; 61. a sliding feed tray; 62. a sliding shaft housing; 63. sliding the fixing sleeve; 64. a driven gear; 65. a feed drive mechanism; 611. a flange connection; 622. an external thread; 631. an internal thread; 651. a driving gear; 652. the motor is driven.
Detailed Description
The invention is further illustrated by the following examples, which are given by way of illustration only and are not intended to limit the scope of the invention in any way.
The first embodiment is as follows:
as shown in fig. 1 to 4, a circular tube cutting apparatus 1 of the present invention includes a rotary cutter disc 11, a main cutter unit 12, an inside chamfer cutter unit 13, and an outside chamfer cutter unit 14. The main cutter assembly 12, the inside chamfer cutter assembly 13 and the outside chamfer cutter assembly 14 each include a blade and a blade holder 16 for mounting the blade. The blades of the main cutter unit 12, the inside chamfer cutter unit 13, and the outside chamfer cutter unit 14 are referred to as a cutting blade 121, an inside chamfer blade 131, and an outside chamfer blade 141, respectively. The main cutter unit 12, the inside chamfer cutter unit 13, and the outside chamfer cutter unit 14 are disposed along the circumferential direction of the rotary cutter disc 11. In this embodiment, the number of the main cutter assemblies 12 is two, the two main cutter assemblies 12 are arranged in a radial direction, and the inner chamfer cutter assembly 13 and the outer chamfer cutter assembly 14 are arranged in a radial direction. The blades of the two main cutter assemblies 12 have different lengths, i.e., the length of the blade of one of the cutting blades 121 is smaller than that of the other cutting blade 121, so that the inner angle chamfering can be further facilitated and the wear of the inner angle chamfering blade can be reduced. In the present embodiment, the edge lengths of the two sets of cutting blades 121 are 2.5mm and 3mm, respectively.
As shown in fig. 1, 2, and 4, the cutting edge of the cutting insert 121, the cutting edge of the inner corner chamfering insert 131, and the cutting edge of the outer corner chamfering insert 141 are referred to as a cutting edge 122, an inner corner chamfering edge 132, and an outer corner chamfering edge 142, respectively, and the cutting edge 122 is parallel to the central axis of the rotary cutter disc 11. Included angles are formed between the cutting edges of the blades of the inverted inner angle cutting assembly 13 and the central axis of the rotary cutter disc 11, and between the cutting edges 17 of the blades 15 of the inverted outer angle cutting assembly 14 and the central axis of the rotary cutter disc 11, that is, included angles are formed between the central axes of the rotary cutter disc 11 of the inverted inner angle cutting edge 132, and between the cutting edges 142 of the inverted outer angle and the central axis of the rotary cutter disc 11. The included angle between the inverted inner angle cutting edge 132 and the central axis of the rotary cutter disc 11 and the included angle between the inverted outer angle cutting edge 142 and the central axis of the rotary cutter disc 11 are both in the range of 5-35 degrees. In this embodiment, the included angle between the inverted inner corner cutting edge 132 and the central axis of the rotary cutter head 11 and the included angle between the inverted outer corner cutting edge 142 and the central axis of the rotary cutter head 11 are both 15 °. Each of the inner corner chamfering blade 131 and the outer corner chamfering blade 141 includes a connecting portion fixedly connected to the corresponding tool holder 16, a cutting portion for chamfering, and a supporting portion integrally connected between the connecting portion and the cutting portion. The supporting portion of the inner angle chamfering blade 131 can chamfer the inner angle and simultaneously grind the port burr of the cut circular pipe section, and can protect the inner angle chamfering blade 132 from being worn. The support part of the chamfer blade 141 can simultaneously chamfer the chamfer and grind the port burr of the round pipe section left after cutting, and simultaneously can protect the chamfer cutting edge 142 from being worn. The inner corner chamfering blade 132 and the outer corner chamfering blade 142 are respectively located at the cutting part of the inner corner chamfering blade 131 and the cutting part of the outer corner chamfering blade 141, and the cutting parts and the corresponding support parts are integrally formed and have a v-shaped structure. In this embodiment, one end of the inverted inner angle blade 132 close to the rotary cutter disc 11 is farther from the central axis of the rotary cutter disc 11 than the opposite end thereof, and the support portion of the inverted inner angle blade 131 is connected to one end of the inverted inner angle blade 132 far from the rotary cutter disc 11; one end of the chamfered outer angle cutting edge 142 close to the rotary cutter disc 11 is closer to the central axis of the rotary cutter disc 11 than the opposite end thereof, and the support part of the chamfered outer angle cutting edge 141 is connected to one end of the chamfered outer angle cutting edge 142 close to the rotary cutter disc 11.
The main cutter assembly 12, the inverted inner angle cutter assembly 13 and the inverted outer angle cutter assembly 14 further include a sliding guide rail 15 fixedly connected with the corresponding cutter holder 16, the sliding guide rail 15 is arranged along the end surface of the rotary cutter disc 11 in a radial sliding manner, and the end surface of the rotary cutter disc 11 is provided with a sliding groove matched with the sliding guide rail 15, that is, the end surface of the output end of the rotary cutter disc 11 is provided with a sliding groove matched with the sliding guide rail 15. A spring 19 is arranged between one end of the sliding guide rail 15 opposite to the tool holder 16 and the rotary cutter disc 11, and the spring 19 is a compression spring, that is, the spring 19 is arranged between one end of the sliding guide rail 15 far away from the tool holder 16 and the rotary cutter disc 11. The connecting end of the rotary cutter disc 11 and the spring is close to the cutter frame 16. The end of the slide rail 15 opposite to the tool holder 16 is provided with a spring adjusting support 151 for fixedly mounting the spring 19, and the corresponding end of the slide rail 15 is provided with a plurality of adjusting holes 152 for mounting the spring adjusting support 151 along the axial direction of the slide rail 15, and in the present embodiment, the number of the adjusting holes 152 is 3.
The outer side of the rotary cutter disc 11 is coaxially provided with an adjusting cone 17, i.e. the outer side of the rotary cutter disc 11 is coaxially provided with the adjusting cone 17. The sliding guide rail 15 is connected with the inner side surface of the adjusting cone 17 in a sliding way through a roller. The inner side surface of the adjusting cone 17 is provided with a thrust key 171 matched with the roller, and the axis of the thrust key 171 is parallel to one of the generatrices of the adjusting cone 17. The inner diameter of the adjusting cone 17 is enlarged along the sliding direction of the round pipe to be cut. In this embodiment, the included angle between the generatrix of the adjusting cone 17 and the central axis thereof is 45 °, so that the axial movement distance of the adjusting cone 17 can be equal to the radial movement distance of the cutter assembly. A supporting and guiding mechanism 18 is arranged between the adjusting cone 17 and the rotary cutter disc. The number of the supporting and guiding mechanisms 18 is multiple, the supporting and guiding mechanisms 18 are uniformly arranged along the circumferential direction, in this embodiment, the number of the supporting and guiding mechanisms 18 is 4, each supporting and guiding mechanism 18 comprises a fixed sleeve fixedly arranged at the small-diameter end of the adjusting cone 17 and a guiding shaft fixedly arranged at the end surface of the corresponding end of the rotary cutter head 11, the central axis of the guiding shaft and the central axis of the fixed sleeve are on the same straight line, the straight line is parallel to the central axis of the rotary cutter head 11, and the free end of the guiding shaft slides along the fixed sleeve. The central axis of the rotary cutter head 11 is provided with a through hole for penetrating through a round pipe to be cut.
As shown in fig. 1-4, the working process of the present invention is: the adjusting cone 17 moves along the sliding direction of the cutting round tube, the thrust key 171 on the inner side presses the sliding guide rail to the center of the rotary cutter disc 11, so that the cutting blade 122, the inverted inner angle blade 132 and the inverted outer angle blade 142 can approach the round tube to be cut, and simultaneously the rotary cutter disc is rotated, the rotary cutter disc drives the main cutter assembly 12, the inverted inner angle cutter assembly 13 and the inverted outer angle cutter assembly 14 to rotate, the round tube to be cut is simultaneously cut, the inverted outer angle and the inverted inner angle processes are performed, burrs are eliminated, after the cutting is finished, the cutting blade 122, the inverted inner angle blade 132 and the inverted outer angle blade 142 are far away from the round tube (i.e. retracting), one end of the sliding guide rail 15, which is connected with the adjusting cone, can be guaranteed to be always in contact with the adjusting cone under the action of the spring 19, and the feeding mechanism can be guaranteed to operate the round tube at any time. The invention avoids the processes of deburring, chamfering outer angles and chamfering inner angles which are independently carried out on the cut round tube in the later period, and saves the labor cost and the cutting time of the round tube.
Example two:
as shown in fig. 5 to 9, the round tube rotary cutting machine of the present invention includes a base 2, a shaft tube 3 disposed in the base 2, a first driving mechanism 4 disposed at an input end of the shaft tube 3, a clamping assembly 5 disposed at an output end of the shaft tube 3, and a round tube cutting device 1 disposed at an output end of the clamping assembly 5.
The shaft tube 3 is a hollow tube body with two open ends for allowing the round tube to be cut to pass through. The circular tube cutting device 1 is the circular tube cutting device 1 in the first embodiment, and details of the specific structure of the circular tube cutting device 1 are not described in this embodiment, and the specific structure refers to the first embodiment.
As shown in fig. 5 and 6, the first driving mechanism 4 includes a first motor 41, a driving pulley 42 and a driven pulley 43, the driving pulley 41 is fixedly disposed at the output end of the motor shaft of the first motor 41, the driven pulley 43 is connected with the driving pulley 42 through a belt, and the driven pulley 43 is coaxially disposed at the outer side of the input end of the shaft tube 3. The driven pulley 43 is fixedly connected to the input end of the shaft tube 3, so that the driven pulley 43 drives the shaft tube 3 to rotate. The shaft tube 3 is rotatably connected with the base 2 through a rolling bearing.
As shown in fig. 5 to 7, a feeding mechanism 6 for driving the circular tube cutting apparatus 1 to adjust the axial displacement of the cone is coaxially provided outside the axial middle portion of the shaft tube 3. The feeding mechanism 6 comprises a sliding feeding disc 61, a sliding shaft shell 62, a sliding fixing sleeve 63 and a driven gear 64 which are coaxially sleeved outside the shaft tube 3 from inside to outside in sequence, namely, the shaft tube 3, the sliding feeding disc 61, the sliding shaft shell 62, the sliding fixing sleeve 63 and the driven gear 64 are coaxially sleeved from inside to outside in sequence. The sliding feed disc 61 is fixedly connected with the adjusting cone cylinder 17, a flange connecting part 611 is arranged on the outer side of one end, adjacent to the adjusting cone cylinder, of the sliding feed disc 61 in a protruding mode, one end, adjacent to the feeding mechanism 6, of the adjusting cone cylinder 17 is provided with a connecting end cover 172 perpendicular to the axial direction of the adjusting cone cylinder, and the flange connecting part 611 of the sliding feed disc 61 is fixedly connected with the connecting end cover 172 of the adjusting cone cylinder 17. The sliding feed plate 61 is rotatably connected to the sliding shaft housing 62, and in the present embodiment, the sliding feed plate 61 and the sliding shaft housing 62 are provided with rolling bearings, preferably deep groove ball bearings. The sliding shaft housing 62 may be provided with bearing sheaths at axial ends thereof to prevent the rolling bearings from being exposed. The outer circumferential surface of the sliding shaft housing 62 is spirally connected with the inner circumferential surface of the sliding fixing sleeve 63, the driven gear 64 is fixedly connected with the sliding fixing sleeve 63 in the embodiment, the inner circumferential surface of the sliding fixing sleeve 63 is provided with an internal thread 631, and the outer circumferential surface of one end of the sliding shaft housing 62 far away from the adjusting cone 17 is provided with an external thread 622 matched with the internal thread 631. The outer circumferential surface of the sliding fixing sleeve 63 is fixedly connected with the inner circumferential surface of the driven gear 64. A rolling bearing is arranged between the sliding fixing sleeve 63 and the machine base 2. The feeding mechanism 6 further comprises a feeding driving mechanism 65, the feeding driving mechanism 65 comprises a driving gear 651 and a driving motor 652 for driving the driving gear 651 to rotate, the driving gear 651 is meshed with the driven gear 64, an output end of a motor shaft 652 of the driving motor 652 is fixedly connected with the driving gear 651, and the driving motor 652 is a servo motor. The push plate 7 is arranged between the sliding fixing sleeve 63 and the adjusting cone 17, and the inner circumferential surface of the push plate 7 is attached to the outer circumferential surface of the sliding feeding disk 61. The push plate 7 is fixedly connected with the sliding shaft shell 62 through bolts. As shown in fig. 6 and 9, the working process of the feeding mechanism 6 is as follows: the driving motor 652 drives the driving gear 651 to rotate, the driving gear 651 simultaneously drives the driven gear 64 engaged therewith to rotate, then the driven gear 64 drives the rotary sliding fixing sleeve 63 to rotate, and the sliding fixing sleeve 63 rotates to make the sliding shaft housing 62 engaged therewith axially move in a direction close to the rotary cutter head, so as to push the adjusting cone 17 to move in the same direction to press against each cutter assembly. When the pressing of the adjusting cone 17 on each cutter assembly needs to be released, the driving motor 652 drives the driving gear 651 to rotate reversely, the driving gear 651 simultaneously drives the driven gear 64 engaged with the driving gear 651 to rotate reversely, then the driven gear 64 drives the rotary sliding fixing sleeve 63 to rotate reversely, the sliding fixing sleeve 63 rotates to enable the sliding shaft housing 62 engaged with the sliding fixing sleeve to move axially in the direction away from the rotary-cut cutter head, because the rolling bearing between the sliding feed disc 61 and the sliding shaft housing 62 is a deep groove ball bearing, the sliding shaft housing 62 can drive the sliding feed disc 61 to move synchronously when moving away from the rotary-cut cutter head, and because the sliding feed disc 61 is fixedly connected with the adjusting cone 17 through the bolt, the adjusting cone 17 can be driven to move in the same direction to release the pressing of each cutter assembly.
As shown in fig. 1, fig. 2, fig. 5 to fig. 9, the working process of the round tube rotary cutting machine of the present invention for cutting a round tube is as follows: the shaft tube 3 slides on the round tube to be cut at the same time with the round tube at a speed higher than the conveying speed of the round tube. After sliding for a certain distance, the shaft tube 3 slides synchronously with the round tube at a speed equal to the conveying speed of the round tube (i.e. the shaft tube 3 and the round tube to be cut are relatively static), and then the driven gear 64 is rotated to drive the adjusting cone 17 to slide axially, so that the small-diameter end of the adjusting cone is close to the rotary cutter head 11, and thus the thrust key 171 is pressed against the cutting blade 122, the inverted inner angle blade 132 and the inverted outer angle blade 142 along the radial direction to be close to the round tube until being pressed against the round tube. At the same time, the driven pulley 43 is indirectly driven to rotate by the first motor 41, so that the cutting blade 122, the inner angle chamfering blade 132 and the outer angle chamfering blade 142 rotate, and the circular pipe is cut and the circular pipe section to be cut is chamfered at the same time under the action of the feeding mechanism 6. The above description of the present invention is intended to be illustrative.
In this embodiment, the whole in-process of cutting the pipe, the pipe moves ahead along direction of delivery all the time, does not pause, has realized the online cutting of pipe, has fallen the operation of exterior angle, the interior angle of falling, has shortened the time of pipe cutting process and has improved work efficiency.
Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A circular tube rotary cutter is characterized by comprising a base, a shaft tube arranged in the base, a first driving mechanism arranged at the input end of the shaft tube, a clamping assembly arranged at the output end of the shaft tube and a circular tube cutting device arranged at the output end of the clamping assembly, wherein the circular tube cutting device comprises a rotary cutter disc, a main cutter assembly, an inverted inner angle cutter assembly and an inverted outer angle cutter assembly;
the main cutter assembly, the inverted inner angle cutter assembly and the inverted outer angle cutter assembly respectively comprise a blade and a cutter frame for mounting the blade, and included angles are formed between the cutting edge of the blade of the inverted inner angle cutter assembly and the central axis of the rotary cutter disc and between the cutting edge of the blade of the inverted outer angle cutter assembly and the central axis of the rotary cutter disc;
a feeding mechanism for driving the conical cylinder of the circular tube cutting device to axially displace is coaxially arranged on the outer side of the axial middle part of the shaft tube;
the feeding mechanism comprises a sliding feeding disc, a sliding shaft shell, a sliding fixing sleeve and a driven gear which are coaxially sleeved on the outer side of the shaft tube from inside to outside in sequence;
the sliding feeding disc is rotatably connected with the sliding shaft shell, the outer circumferential surface of the sliding shaft shell is spirally connected with the inner circumferential surface of the sliding fixing sleeve, the driven gear is fixedly connected with the sliding fixing sleeve, and the sliding feeding disc is fixedly connected with the adjusting conical cylinder.
2. The round tube rotary cutting machine of claim 1 wherein the included angle between the cutting edges of the blades of the inverted inner angle cutter assembly and the central axis of the rotary cutter disc and the included angle between the cutting edges of the blades of the inverted outer angle cutter assembly and the central axis of the rotary cutter disc are each in the range of 5 ° to 35 °.
3. The round tube rotary cutting machine according to claim 1, wherein said main cutter unit, said inside chamfer cutter unit and said outside chamfer cutter unit further comprise a slide rail fixedly connected to said corresponding cutter holder, said slide rail being disposed to slide radially along said rotary cutter head end face, said rotary cutter head end face being provided with a slide groove cooperating with said slide rail;
and a spring is arranged between one end of the sliding guide rail, which is opposite to the tool rest, and the rotary cutter head.
4. The round tube rotary cutting machine according to claim 3, wherein a spring adjusting support for fixedly mounting said spring is provided at an end of said sliding guide opposite to said tool holder, and a plurality of adjusting holes for mounting said spring adjusting support are provided at an opposite end of said sliding guide in an axial direction of said sliding guide.
5. The round tube rotary cutting machine according to claim 3, wherein an angle between a generatrix of said adjustment cone and a central axis thereof is 45 °.
6. The round tube rotary cutting machine according to claim 1, wherein said first driving mechanism includes a first motor, a driving pulley fixedly disposed at an output end of a motor shaft of said first motor, and a driven pulley connected to said driving pulley by a belt, said driven pulley being coaxially disposed outside an input end of said shaft tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286581.1A CN112719406B (en) | 2020-11-17 | 2020-11-17 | Round tube cutting device and round tube rotary cutter with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286581.1A CN112719406B (en) | 2020-11-17 | 2020-11-17 | Round tube cutting device and round tube rotary cutter with same |
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| CN112719406A CN112719406A (en) | 2021-04-30 |
| CN112719406B true CN112719406B (en) | 2022-10-21 |
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| CN202011286581.1A Active CN112719406B (en) | 2020-11-17 | 2020-11-17 | Round tube cutting device and round tube rotary cutter with same |
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| CN113414595A (en) * | 2021-05-27 | 2021-09-21 | 青岛泽昊汽车配件有限公司 | Cutting chamfering device for air pressure bar sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472850Y (en) * | 2001-05-01 | 2002-01-23 | 江西长林机械(集团)有限公司 | Thin wall pipe rotary cutter |
| CN201728418U (en) * | 2010-07-20 | 2011-02-02 | 周志玉 | Full-automatic pipe cutting machine |
| CN101912994B (en) * | 2010-07-20 | 2011-12-07 | 周志玉 | Full-automatic pipe cutting machine |
| CN206425631U (en) * | 2017-01-09 | 2017-08-22 | 常州金纬管道设备制造有限公司 | Pipe cutting machine floating facing attachment |
| CN207770964U (en) * | 2018-01-26 | 2018-08-28 | 山东元旺电工科技有限公司 | A kind of aluminium alloy rod rotary cutting apparatus |
| CN111070303A (en) * | 2020-01-22 | 2020-04-28 | 上海金纬管道设备制造有限公司 | Plastic pipe cutting device with chipless chamfering function |
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