CN108188905B - Handheld semi-automatic pipe cutting device and pipe cutting method - Google Patents
Handheld semi-automatic pipe cutting device and pipe cutting method Download PDFInfo
- Publication number
- CN108188905B CN108188905B CN201711495483.7A CN201711495483A CN108188905B CN 108188905 B CN108188905 B CN 108188905B CN 201711495483 A CN201711495483 A CN 201711495483A CN 108188905 B CN108188905 B CN 108188905B
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- Prior art keywords
- handle
- motor
- screw rod
- assembly
- cutting device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0616—Grinders for cutting-off using a tool turning around the workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
Abstract
The invention discloses a handheld semi-automatic pipe cutting device, and belongs to the technical field of cutting equipment. The cutting device comprises a handle, a motor and a cutting assembly, wherein the cutting assembly comprises a large grinding wheel and a flexible assembly; the large grinding wheel is fixedly connected with a first screw rod arranged at the front end of the handle, and the first screw rod is driven by a motor through a first gear assembly; one end part of the flexible assembly is fixedly connected with a second screw rod arranged outside the handle, the second screw rod is driven by a motor through a second gear assembly, and the other end part of the flexible assembly is detachably connected with the front end part of the handle; the first screw rod and the second screw rod are movably connected with the handle and driven by the motor to move relatively. This cutting device passes through the flexible assembly pretension, and the big emery wheel of cooperation cuts, guarantees that the cutting port is neat no burr, and the cutting process noise is little, and this cutting device simple structure conveniently carries, and the operation is simple and easy, applicable in the tubular product of different pipe diameters.
Description
Technical Field
The invention belongs to the technical field of cutting equipment, and particularly relates to a handheld semi-automatic pipe cutting device and a pipe cutting method.
Background
In the production and use process of the pipe, various intersecting line shapes are often required to be processed at the end part of the pipe material structural part so as to be convenient for welding and combination, or the pipe is required to be cut when the use is influenced by overlong length of the pipe.
The prior art adopts mechanical cutting more to tubular product cutting, utilizes the cutting saw bit directly to be connected with the cutting cylinder and up-and-down back and forth movement to the cutting of tubular product, owing to adopt the mode cutting that comes and goes up and down, is cut tubular product atress uneven to lead to the cross-section coarse, unsmooth, and current mechanical cutting in-process noise is great, and cutting cost is high, complex operation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a handheld semi-automatic pipe cutting device and a pipe cutting method, and solves the technical problems of burrs and unevenness of a cut port in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a handheld semi-automatic pipe cutting device comprises a handle, a motor and a cutting assembly, wherein the cutting assembly comprises a large grinding wheel and a flexible assembly;
the large grinding wheel is fixedly connected with a first screw rod arranged at the front end of the handle, and the first screw rod is driven by a motor through a first gear assembly; one end part of the flexible assembly is fixedly connected with a second screw rod arranged outside the handle, the second screw rod is driven by a motor through a second gear assembly, and the other end part of the flexible assembly is detachably connected with the front end part of the handle;
the first screw rod and the second screw rod are movably connected with the handle and driven by the motor to move relatively.
Preferably, a small grinding wheel is fixedly arranged on the inner side part of the flexible assembly.
Preferably, the number of the small grinding wheels is more than one.
Preferably, the first screw rod and the second screw rod are movably connected with the handle through a first bracket and a second bracket.
Preferably, the handle is further provided with a motor base, and the motor is fixedly mounted on the motor base.
Preferably, the first gear assembly and the second gear assembly are connected through a second gear, and the second gear is connected with a motor; the first gear assembly includes a third gear and a fourth gear, and the second gear assembly includes a first gear.
Preferably, the other end of the flexible assembly is detachably connected to the front end of the handle through a nut.
Preferably, the flexible member is a flexible steel rope or chain.
Preferably, the motor is powered by a mobile power supply.
A method for cutting a pipe by using the handheld semi-automatic pipe cutting device comprises the following steps:
1) sleeving the flexible assembly on the pipe;
2) the starting motor drives the gear assembly to realize the relative motion of the first screw rod and the second screw rod, the flexible assembly is tensioned, and the large grinding wheel is pushed forward to realize the pre-tightening of the pipe;
3) the pipe is cut by rotating the handle through the large grinding wheel;
4) when the flexible assembly loosens, the motor is started again, and the handle is rotated again after tensioning until the cutting is finished.
(III) advantageous effects
The invention provides a handheld semi-automatic pipe cutting device and a pipe cutting method, which have the following beneficial effects:
1. according to the pipe cutting device, the cutting assembly is arranged on the handle and comprises the large grinding wheel and the flexible assembly, the flexible assembly and the large grinding wheel form an accommodating space for accommodating a pipe, the flexible assembly is sleeved on the pipe in use, the starting motor drives the first screw rod and the second screw rod to move relatively, the pipe is pre-tightened, the handle is rotated to drive the large grinding wheel to cut the pipe, the motor is started again when the flexible assembly is loosened, and then the handle is rotated again until the cutting is finished. Through the continuous pretension of flexible assembly, the big emery wheel of cooperation is cut, guarantees that the cutting port is neat no burr, and the cutting process noise is little, and this cutting device simple structure, the operation is simple and easy, applicable in the tubular product of different pipe diameters.
2. The pipe cutting device is simple in structure, easy to operate and low in energy consumption, the motor is powered by the mobile power supply, does not need to be connected with alternating current, is convenient to carry, and is suitable for various working condition environments.
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 description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural view of a pipe cutting apparatus according to the present invention;
fig. 2 is a schematic structural view of the pipe cutting device of the present invention during operation.
The grinding wheel device comprises a handle 1, a motor 2, a second screw rod 301, a second bracket 302, a first gear 303, a first screw rod 304, a first bracket 305, a second gear 306, a third gear 307, a fourth gear 308, a motor base 4, a large grinding wheel 5, a flexible assembly 6, a small grinding wheel 601, a nut 7 and a pipe 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the 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 invention.
In the mechanical cutting method in the prior art, the grinding wheel is driven to rotate by the motor to cut the pipe, but the grinding wheel is driven to rotate by the motor, so that high noise is generated, and the energy consumption is high.
Based on the defects of the prior art, the embodiment of the invention provides a handheld semi-automatic pipe cutting device, as shown in fig. 1-2, which comprises a handle 1, a motor 2 and a cutting assembly, wherein the cutting assembly comprises a large grinding wheel 5 and a flexible assembly 6;
the large grinding wheel 5 is fixedly connected with a first screw rod 304 arranged at the front end of the handle 1, and the first screw rod 304 is driven by a motor 2 through a first gear assembly; one end of the flexible assembly 6 is fixedly connected with a second screw rod 301 arranged outside the handle 1, the second screw rod 301 is driven by a motor 2 through a second gear assembly, and the other end of the flexible assembly 6 is detachably connected with the front end of the handle 1;
the first lead screw 304 and the second lead screw 301 are movably connected with the handle 1 and driven by the motor 2 to move relatively.
According to the pipe cutting device provided by the embodiment of the invention, the cutting assembly is arranged on the handle and comprises the large grinding wheel and the flexible assembly, and the flexible assembly and the large grinding wheel form the accommodating space for accommodating the pipe. During the use with the flexible assembly cover locate tubular product on, relative motion is done to first lead screw of starter motor drive and second lead screw, pretension tubular product, rotate the handle and cut tubular product, when the flexible assembly is not hard up the starter motor once more, then rotate the handle once more, accomplish until the cutting. Through continuous pretension of the flexible assembly, the cutting is carried out by matching with a large grinding wheel, and the cutting port is ensured to be neat and free of burrs. In addition, the grinding wheel is not required to be driven to rotate by a motor in the cutting process, the pipe can be cut only by rotating the handle, and the cutting process is low in noise and energy consumption. The cutting device has simple structure and simple operation, and is suitable for pipes with different pipe diameters.
In a specific implementation process, a small grinding wheel 601 is fixedly arranged on the inner side of the flexible assembly 6.
The number of the small grinding wheels is more than one, and the number of the small grinding wheels can be selected by a person skilled in the art according to the requirement. If there is one small grinding wheel, it is preferable that the small grinding wheel and the large grinding wheel are symmetrically distributed. If the number of the small grinding wheels is more than two, the small grinding wheels are preferably uniformly distributed at intervals on the inner side part of the flexible component.
Through setting up little emery wheel, on the one hand can be through the not equidirectional cutting to tubular product simultaneously at tubular product to make cut port more level and more smooth. And the cutting speed can be accelerated by simultaneously acting the large grinding wheel and the small grinding wheel.
In a specific implementation process, the first lead screw 304 and the second lead screw 301 are movably connected with the handle 1 through the first bracket 305 and the second bracket 302, so that the firmness of the connection between the first lead screw 304 and the handle 1 and the connection between the second lead screw 301 and the handle 1 are ensured, and meanwhile, the relative movement between the first lead screw 304 and the second lead screw 301 is smoother.
In the specific implementation process, the handle 1 is further provided with a motor base 4, and the motor 2 is fixedly installed on the motor base 4.
In a specific implementation process, the first gear assembly and the second gear assembly are connected through a second gear 306, and the second gear 306 is connected with the motor 2; the first gear assembly includes a third gear 307 and a fourth gear 308, and the second gear assembly includes a first gear 303. The motor drives the first gear assembly and the second gear assembly simultaneously through the second gear; the relative movement of the first screw rod and the second screw rod is realized by controlling the number of gears in the gear assembly.
In the specific implementation process, the first screw rod and the second screw rod are relatively moved by controlling the first gear assembly and the second gear assembly. In order to realize the relative movement of the first screw rod and the second screw rod, a person skilled in the art can select the specific number of gears in the first gear assembly and the second gear assembly according to the requirement.
In the specific implementation process, the other end part of the flexible assembly 6 is detachably connected with the front end part of the handle 1 through a nut 7.
In a specific implementation, the flexible member 6 is a flexible steel rope or a chain.
In the implementation process, the motor 2 is powered by a mobile power supply, which is not marked in the drawings.
The pipe cutting device provided by the embodiment of the invention has the advantages of simple structure, easiness in operation and low energy consumption, the motor is powered by the mobile power supply, an alternating current is not required to be connected, the carrying is convenient, and the pipe cutting device is suitable for various working condition environments. The embodiment of the invention also provides a method for cutting a pipe by using the handheld semi-automatic pipe cutting device, the flexible assembly 6 is sleeved on the pipe 8, as shown in fig. 2, the motor 2 is started to drive the gear assembly to realize the relative motion of the first screw rod 304 and the second screw rod 301, the large grinding wheel 5 is pushed forwards while the flexible assembly 6 is tensioned, the pipe 8 is pre-tensioned, the pipe 8 is cut by rotating the handle 1 through the large grinding wheel 5, the motor 2 is started again when the flexible assembly 6 is loosened, and the handle 1 is rotated again after tensioning until the cutting is finished.
Through the continuous pretension of flexible assembly, the cutting is carried out in cooperation with the big grinding wheel, and the cut port is ensured to be more tidy and free of burrs. The grinding wheel does not need to be driven by a motor in the cutting process, so that the noise in the cutting process is low, and the energy consumption is low. The cutting device has simple structure and simple operation, and is suitable for pipes with different pipe diameters.
In summary, compared with the prior art, the embodiments of the present invention have the following features
Has the advantages that:
1. according to the pipe cutting device provided by the embodiment of the invention, the cutting assembly is arranged on the handle and comprises the large grinding wheel and the flexible assembly, the small grinding wheel is fixedly arranged at the inner side part of the flexible assembly, the flexible assembly and the large grinding wheel form the accommodating space for accommodating the pipe, the flexible assembly is sleeved on the pipe in use, the starting motor drives the first screw rod and the second screw rod to move relatively, the pipe is pre-tightened, the handle is rotated to cut the pipe, the motor is started again when the flexible assembly is loosened, and the handle is rotated again after tensioning until the cutting is finished. Through the continuous pretension of flexible assembly, the big emery wheel of cooperation is cut, guarantees that the cutting port is neat no burr, and the cutting process need not to rotate through motor drive emery wheel, only needs to rotate the handle and can realize the cutting to tubular product, guarantees that the cutting process noise is little, and the power consumption is low. The cutting device has simple structure and simple operation, and is suitable for pipes with different pipe diameters.
2. The pipe cutting device provided by the embodiment of the invention has the advantages of simple structure, easiness in operation and low energy consumption, the motor is powered by the mobile power supply, an alternating current is not required to be connected, the carrying is convenient, and the pipe cutting device is suitable for various working condition environments.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will 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 of the embodiments of the present invention.
Claims (10)
1. A handheld semi-automatic pipe cutting device comprises a handle (1), a motor (2) and a cutting assembly, and is characterized in that the cutting assembly comprises a large grinding wheel (5) and a flexible assembly (6);
the large grinding wheel (5) is fixedly connected with a first screw rod (304) arranged at the front end of the handle (1), and the first screw rod (304) is driven by a motor (2) through a first gear assembly; one end part of the flexible assembly (6) is fixedly connected with a second screw rod (301) arranged on the outer side of the handle (1), the second screw rod (301) is driven by a motor (2) through a second gear assembly, and the other end part of the flexible assembly (6) is detachably connected with the front end part of the handle (1);
the first screw rod (304) and the second screw rod (301) are movably connected with the handle (1) and driven by the motor (2) to move relatively.
2. The pipe cutting device according to claim 1, characterized in that a small grinding wheel (601) is fixedly arranged on the inner side of the flexible assembly (6).
3. The pipe cutting device according to claim 2, characterized in that the number of the small grinding wheels (601) is more than one.
4. The tube cutting device according to claim 1, characterized in that the first screw (304) and the second screw (301) are movably connected with the handle (1) through a first bracket (305) and a second bracket (302).
5. The pipe cutting device according to claim 1, characterized in that a motor base (4) is further arranged on the handle (1), and the motor (2) is fixedly arranged on the motor base (4).
6. The pipe cutting device according to claim 1, wherein the first gear assembly and the second gear assembly are connected by a second gear (306), the second gear (306) being connected to the motor (2); the first gear assembly comprises a third gear (307) and a fourth gear (308), and the second gear assembly comprises a first gear (303).
7. The tube cutting device according to claim 1, characterized in that the other end of the flexible member (6) is detachably connected to the front end of the handle (1) by means of a nut (7).
8. The pipe cutting device according to any of claims 1 to 7, wherein the flexible member (6) is a flexible steel rope or chain.
9. The pipe cutting device according to any one of claims 1 to 7, wherein the motor (2) is powered by a mobile power source.
10. A method for cutting a pipe by using the pipe cutting device according to any one of claims 1 to 9, comprising the steps of:
1) sleeving the flexible component (6) on the pipe (8);
2) the motor (2) is started to realize the relative motion of the first screw rod (304) and the second screw rod (301) through the driving gear component, the flexible component (6) is tensioned, and the large grinding wheel (5) is pushed forward to realize the pre-tightening of the pipe (8);
3) the pipe (8) is cut by rotating the handle (1) through the large grinding wheel (5);
4) when the flexible component (6) loosens, the motor (2) is started again, and the handle (1) is rotated again after being tensioned until the cutting is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495483.7A CN108188905B (en) | 2017-12-31 | 2017-12-31 | Handheld semi-automatic pipe cutting device and pipe cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495483.7A CN108188905B (en) | 2017-12-31 | 2017-12-31 | Handheld semi-automatic pipe cutting device and pipe cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188905A CN108188905A (en) | 2018-06-22 |
| CN108188905B true CN108188905B (en) | 2019-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711495483.7A Active CN108188905B (en) | 2017-12-31 | 2017-12-31 | Handheld semi-automatic pipe cutting device and pipe cutting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188905B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683159A5 (en) * | 1991-05-17 | 1994-01-31 | Fischer Georg Rohrleitung | Pipe separator. |
| CN203752187U (en) * | 2014-03-13 | 2014-08-06 | 南车青岛四方机车车辆股份有限公司 | Handheld pipe cutting device |
| CN203826868U (en) * | 2014-05-12 | 2014-09-10 | 国家电网公司 | Hand-held cable cutter |
| CN205664033U (en) * | 2016-06-12 | 2016-10-26 | 中国神华能源股份有限公司 | Clamp device |
| CN206276969U (en) * | 2016-11-10 | 2017-06-27 | 天津卓达管道机械制造有限公司 | A kind of hand-held hard pipe cutter |
-
2017
- 2017-12-31 CN CN201711495483.7A patent/CN108188905B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108188905A (en) | 2018-06-22 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191204 Address after: No. 688, Haining Road, Hekou District, Dongying City, Shandong Province Applicant after: DONGYING HUANHAI PLASTIC Co.,Ltd. Address before: 315040 Jiangnan Road No. 586, Ningbo High-tech Zone, Zhejiang Province Applicant before: NINGBO FEICHAI ROBOT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230606 Address after: No. 688, Haining Road, Hekou District Economic Development Zone, Dongying City, Shandong Province 257000 Patentee after: Shandong Huanhai Plastics Co.,Ltd. Address before: No. 688, Haining Road, Hekou District, Dongying City, Shandong Province 257000 Patentee before: DONGYING HUANHAI PLASTIC Co.,Ltd. |
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| TR01 | Transfer of patent right |