CN202317225U - Cutting device for round tube - Google Patents
Cutting device for round tube Download PDFInfo
- Publication number
- CN202317225U CN202317225U CN2011203409924U CN201120340992U CN202317225U CN 202317225 U CN202317225 U CN 202317225U CN 2011203409924 U CN2011203409924 U CN 2011203409924U CN 201120340992 U CN201120340992 U CN 201120340992U CN 202317225 U CN202317225 U CN 202317225U
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- cutting knife
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Abstract
The utility model discloses a cutting device for a round tube. The cutting device for the round tube comprises a big semi-ring, cutting knives, a compression screw, a spring, a moment arm rod and a small semi-ring. When the round tube is cut, a rotary moment is applied to the moment arm rod, the three cutting knives are driven to rotationally cut the round tube, and the cutting knives can automatically feed under the compression force action of the spring, so that the round tube can be cut continuously and quickly and the defect that the original hand saw completes the cut task through rotating the round tube continuously is overcome. The cutting device for the round tube has a compact structure, is simple to operate and can effectively save work time and improve efficiency.
Description
Technical field
The utility model relates to a kind of hand-operated tools, is used for the cutting of pipe.
Background technology
Pipe has a wide range of applications in production and various fields in life; The instrument of hand cut pipe is generally sawed by hand, but a remarkable defective is arranged in the process of using hand saws cutting pipe: be exactly when round tube inner wall is arrived in sawing, in order to prevent broken teeth or the saw blade that fractures; Must be to pushing away angle of saw direction rotation; Continue sawing again, interrupted like this rotating a circle could be sawed-off pipe, and this just makes that the operating efficiency of sawing pipe is low.
Summary of the invention
The utility model provides a kind of simple in structure, easy to operate manual pipe cutter sweep through some embodiment; Comprise big semi-ring, cutting knife, housing screw, spring, arm bar and small semi-ring composition; It is characterized in that: big semi-ring and small semi-ring are combined together through swallowtail-shaped structure, on big semi-ring and small semi-ring, are provided with three pilot holes altogether, all are provided with cutting knife, spring and housing screw in each pilot hole; Arm bar inserts in the through hole of big semi-ring or small semi-ring outside convexity; Through applying turning moment, drive cutting knife around the continuous rotary cutting of pipe, thereby realize the purpose of rapid Continuous cutting pipe to arm bar.
The utility model provides a kind of hand-operated tools, comprising:
Big semi-ring, this big semi-ring is provided with two pilot holes, and the arranged outside of this big semi-ring has two convexities simultaneously, and through hole is arranged in the convexity, and these big semi-ring two section parts respectively are provided with a dovetail groove in addition;
Small semi-ring, this small semi-ring are provided with a pilot hole, and the arranged outside of this small semi-ring has a convexity simultaneously; Through hole is arranged in the convexity; It is protruding that these small semi-ring two section parts respectively are provided with a swallow-tail form in addition, cooperates with dovetail groove in the said big semi-ring, is used for this small semi-ring and said big semi-ring are fixed;
Cutting knife is positioned at the pilot hole of said big semi-ring and said small semi-ring, is used for cutting;
Spring is positioned at the pilot hole of said big semi-ring and said small semi-ring, is used to compress said cutting knife;
Housing screw is positioned at the pilot hole of said big semi-ring and said small semi-ring, is used to compress said spring;
Arm bar is arranged in the protruding through hole in said big semi-ring and the said small semi-ring outside, and an end stretches out, and is used to bear turning moment.
Above-mentioned hand-operated tools can pass through the revolving force armed lever, cutting knife is cut along the pipe circumferencial direction continuously, thereby reach the purpose of fly-cutting pipe, and is simple and practical, easy to operate.
Description of drawings:
Fig. 1 is the structural representation of the utility model
Description of reference numerals:
The big semi-ring of 1-; The 2-cutting knife; The 3-housing screw; The 4-spring; The 5-arm bar; The 6-small semi-ring.
The specific embodiment
As shown in Figure 1, be the structural representation of the utility model, this hand-operated tools comprises: big semi-ring 1; This big semi-ring 1 is provided with two pilot holes; The arranged outside of this big semi-ring 1 has two convexities simultaneously, and through hole is arranged in the convexity, and 1 liang of section part of this big semi-ring respectively is provided with a dovetail groove in addition; Small semi-ring 6; This small semi-ring 6 is provided with a pilot hole; The arranged outside of this small semi-ring 6 has a convexity simultaneously, and through hole is arranged in the convexity, and 6 liang of section parts of this small semi-ring respectively are provided with swallow-tail form convexity in addition; Cooperate with the dovetail groove in the above-mentioned big semi-ring 1, be used for this small semi-ring 6 and above-mentioned big semi-ring 1 are linked together; Cutting knife 2 is positioned at the pilot hole of above-mentioned big semi-ring 1 and small semi-ring 6, is used for cutting; Spring 4 is positioned at the pilot hole of above-mentioned big semi-ring 1 and above-mentioned small semi-ring 6, is used to compress above-mentioned cutting knife 2; Housing screw 3 is positioned at the pilot hole of above-mentioned big semi-ring 1 and above-mentioned small semi-ring 6, links together through screw thread and above-mentioned big semi-ring 1 and above-mentioned small semi-ring 6, is used to compress above-mentioned spring 4; Arm bar 5 is arranged in the through hole that above-mentioned big semi-ring 1 is above-mentioned or small semi-ring 6 outsides are protruding, and an end stretches out, and is used to bear turning moment.
For preventing of the pilot hole axis direction rotation of above-mentioned cutting knife 2 around above-mentioned big semi-ring 1 and small semi-ring 6; The knife bar of above-mentioned cutting knife 2 partly is arranged to square; The pilot hole inner end part of above-mentioned big semi-ring 1 and small semi-ring 6 also is set to square opening; So that above-mentioned cutting knife 2 knife bars part cooperates with the pilot hole inner end square opening of above-mentioned big semi-ring 1 and small semi-ring 6, simultaneously can be along the pilot hole axis direction feeding of above-mentioned big semi-ring 1 and small semi-ring 6.
For prevent that above-mentioned cutting knife 2 from dropping out from the pilot hole inner end of above-mentioned big semi-ring 1 and small semi-ring 6 when working, above-mentioned cutting knife 2 afterbodys are set to truncated cone-shaped, and diameter is greater than the pilot hole inner end square hole edge length of above-mentioned big semi-ring 1 and small semi-ring 6.
For making above-mentioned spring 4 location, the round platform outer face of above-mentioned cutting knife 2 and the inner face of above-mentioned housing screw 3 are arranged to concave table.
For making above-mentioned cutting knife 2 stress equalizations, three pilot holes of above-mentioned big semi-ring 1 and small semi-ring 6 along the circumferential direction evenly distribute and are measure-alike, and above-mentioned cutting knife 2, above-mentioned spring 4 and above-mentioned housing screw 3 all are set in each pilot hole.
For guaranteeing can not drop out after above-mentioned small semi-ring 6 and above-mentioned big semi-ring 1 mesh, above-mentioned small semi-ring 6 is all handled through magnetization with above-mentioned big semi-ring 1, and can be pulled together.
The utility model working condition is following:
As shown in Figure 1, be the utility model structural representation.
When needs cutting pipe, above-mentioned small semi-ring 6 is taken off from above-mentioned big semi-ring 1, above-mentioned big semi-ring 1 is enclosed within on the pipe; In the dovetail groove with the above-mentioned big semi-ring 1 of the protruding embedding of the swallow-tail form of above-mentioned small semi-ring 6, simultaneously above-mentioned small semi-ring 6 and above-mentioned big semi-ring 1 are because the mutual adhesive of magneticaction then; Above-mentioned small semi-ring that is pulled together 6 and above-mentioned big semi-ring 1 are moved to cutting position, adjust three above-mentioned housing screws 3 successively, the effect through above-mentioned spring 4 makes above-mentioned cutting knife 2 tightly withstand circular tube external wall respectively; Above-mentioned arm bar 5 is inserted in the through hole of above-mentioned small semi-ring 6 or above-mentioned big semi-ring 1 outside convexity, an end stretches out; Hold the external part of above-mentioned arm bar 5; Apply turning moment; Will drive three above-mentioned cutting knifes 2 cuts along the pipe circumferencial direction continuously; Because the existence of above-mentioned spring 4 thrusts is arranged, can make above-mentioned cutting knife 2 automatic pilot hole axis direction feedings inwards simultaneously, thereby reach the purpose of continuous fly-cutting pipe along above-mentioned small semi-ring 6 and above-mentioned big semi-ring 1.
Above-mentioned pipe cutter sweep is provided with three along the circumferential direction equally distributed pilot holes; In pilot hole, be provided with structures such as cutting knife, spring and housing screw, can be through applying turning moment to arm bar, drive three cutting knife around the pipe rotary cutting; Can also make cutting knife auto-feed under the pressing force of the spring effect; Thereby reach the purpose of continuous fly-cutting pipe, having overcome original hand saws needs constantly the rotation pipe to accomplish the deficiency of cutting task, not only compact conformation but also simple to operate; Can effectively practice thrift the working time, raise the efficiency.
Claims (7)
1. pipe cutter sweep; Comprise big semi-ring, cutting knife, housing screw, spring, arm bar and small semi-ring composition; It is characterized in that: big semi-ring and small semi-ring are combined together through swallowtail-shaped structure, on big semi-ring and small semi-ring, are provided with three pilot holes altogether, all are provided with cutting knife, spring and housing screw in each pilot hole; Arm bar inserts in the through hole of big semi-ring or small semi-ring outside convexity; Through applying turning moment, drive cutting knife around the continuous rotary cutting of pipe, thereby realize the purpose of rapid Continuous cutting pipe to arm bar.
2. pipe cutter sweep according to claim 1 is characterized in that the pilot hole evenly distribution and measure-alike along the circumferential direction on big semi-ring and the small semi-ring.
3. pipe cutter sweep according to claim 1 is characterized in that being provided with three convexities altogether in the outside of big semi-ring and small semi-ring, through hole is arranged, so that the insertion force armed lever applies turning moment in the convexity.
4. pipe cutter sweep according to claim 1 is characterized in that the pilot hole inner end part on big semi-ring and the small semi-ring is set to square opening.
5. pipe cutter sweep according to claim 1; The knife bar that it is characterized in that cutting knife partly is arranged to square; So that cooperate with the square opening of pilot hole inner end on big semi-ring and the small semi-ring; Make cutting knife can also prevent the pilot hole axis direction rotation of cutting knife simultaneously along the pilot hole axis direction feeding of big semi-ring and small semi-ring around big semi-ring and small semi-ring.
6. pipe cutter sweep according to claim 1; The afterbody that it is characterized in that cutting knife is set to truncated cone-shaped; And diameter drops out to prevent cutting knife pilot hole inner end from big semi-ring and small semi-ring when working greater than the pilot hole inner end square hole edge length of big semi-ring and small semi-ring.
7. pipe cutter sweep according to claim 1 is characterized in that small semi-ring and big semi-ring all through the magnetization processing, and can be pulled together, to prevent small semi-ring and to drop out after the semi-ring engagement greatly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203409924U CN202317225U (en) | 2011-09-01 | 2011-09-01 | Cutting device for round tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203409924U CN202317225U (en) | 2011-09-01 | 2011-09-01 | Cutting device for round tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202317225U true CN202317225U (en) | 2012-07-11 |
Family
ID=46429222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203409924U Expired - Fee Related CN202317225U (en) | 2011-09-01 | 2011-09-01 | Cutting device for round tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202317225U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475630A (en) * | 2015-08-31 | 2017-03-08 | 中国石油天然气股份有限公司 | Multi-knife type pipe cutter |
| CN108405975A (en) * | 2018-05-21 | 2018-08-17 | 濮阳市翔飞石化机械有限公司 | A kind of multi-pipe-diameter matched Pipe Cutting fixture |
| CN109570615A (en) * | 2018-12-11 | 2019-04-05 | 庄秋瑶 | Hollow tubing cutter |
| CN110421615A (en) * | 2019-06-25 | 2019-11-08 | 泉州台商投资区本盛机械科技有限公司 | A kind of PVC pipeline rotary cutter |
| CN115156847A (en) * | 2022-06-22 | 2022-10-11 | 浙江先导精密机械有限公司 | Thin-wall ring part machining method |
-
2011
- 2011-09-01 CN CN2011203409924U patent/CN202317225U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475630A (en) * | 2015-08-31 | 2017-03-08 | 中国石油天然气股份有限公司 | Multi-knife type pipe cutter |
| CN108405975A (en) * | 2018-05-21 | 2018-08-17 | 濮阳市翔飞石化机械有限公司 | A kind of multi-pipe-diameter matched Pipe Cutting fixture |
| CN109570615A (en) * | 2018-12-11 | 2019-04-05 | 庄秋瑶 | Hollow tubing cutter |
| CN110421615A (en) * | 2019-06-25 | 2019-11-08 | 泉州台商投资区本盛机械科技有限公司 | A kind of PVC pipeline rotary cutter |
| CN115156847A (en) * | 2022-06-22 | 2022-10-11 | 浙江先导精密机械有限公司 | Thin-wall ring part machining method |
| CN115156847B (en) * | 2022-06-22 | 2024-05-14 | 浙江先导精密机械有限公司 | Processing method of thin-wall ring parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20130901 |