CN102335926B - Rotary cutting tool and method for cutting pipe by same - Google Patents
Rotary cutting tool and method for cutting pipe by same Download PDFInfo
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- CN102335926B CN102335926B CN 201010237417 CN201010237417A CN102335926B CN 102335926 B CN102335926 B CN 102335926B CN 201010237417 CN201010237417 CN 201010237417 CN 201010237417 A CN201010237417 A CN 201010237417A CN 102335926 B CN102335926 B CN 102335926B
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Abstract
The invention discloses a rotary cutting tool and a method for cutting a pipe by the same. The rotary cutting tool comprises a rotary tool rest, a tool handle, a blade, and a tool handle resetting mechanism; the rotary tool rest is provided with a tool handle groove and an axial through hole which is used for accommodating the pipe to be cut; the tool handle is arranged in the tool handle groove; the tool handle is pivoted with the rotary tool rest and rotates from an initial position to a cutting position when the rotary tool rest rotates; the blade is arranged on the tool handle, and a gap is reserved between the blade and the pipe to be cut when the tool handle is positioned at the initial position; when the tool handle is positioned at the cutting position, the blade cuts the wall of the pipe to be cut; and the tool handle resetting mechanism is used for resetting the tool handle to the initial position. The method for cutting the pipe comprises the following steps of: rotating the tool handle outward by using centrifugal force generated when the rotary tool rest rotates, and simultaneously rotating the blade which is arranged on the tool handle inward to cut the wall of the pipe. When a pipe which is made of an elastic material is cut by the cutting tool, the cutting uniformity and evenness of a cut section can be guaranteed.
Description
Technical field
The present invention relates to a kind of cutting tool and cutting method thereof, relate in particular to a kind of cutting tool for cutting elastic material tubing and cutting method thereof.
Background technology
Macromolecule, rubber elastomeric material have been widely used in a plurality of fields, such as fields such as building, electronics, medical treatment and traffic.The cutting of elastomeric material tubing relatively is easy to generate following problem: the pressure that cutter produces when cutting can make elastomeric material distortion, the out-of-flatness of tubing cutting section burr etc. often occur.
At present, usually adopt the mode of rotation cutting that elastomeric material tubing is cut, but traditional rotation cutting mode automaticity is low, and cutting angle and time are manually judged in main dependence, is difficult to guarantee the uniformity of elastomeric material tubing cutting and the flatness of cutting section like this.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of rotary cutter and cutting method thereof that can be rotated cutting to elastomeric material tubing, utilizes this rotary cutter and cutting method thereof can guarantee that the cutting section of the uniformity of cutting and tubing is smooth smooth.
The technical solution adopted in the present invention is: a kind of rotary cutter comprises:
Swivelling tool-holder, this swivelling tool-holder are provided with the handle of a knife groove and are used for the axially extending bore of ccontaining tubing to be cut;
Handle of a knife is arranged in the handle of a knife groove, and this handle of a knife and swivelling tool-holder articulate, and can turn to a cutting position by an initial position when swivelling tool-holder rotates;
Blade, be arranged on the handle of a knife, when handle of a knife was in initial position, handle of a knife had a gap between the bottom surface near an end that articulates the position and handle of a knife groove, handle of a knife is close to the bottom surface of handle of a knife groove away from the other end that articulates the position, has a gap between this blade and the tubing to be cut; When handle of a knife was in cutting position, the close end that articulates the position of handle of a knife arrived to the bottom surface of handle of a knife groove, and this blade is cut the tube wall of wearing this tubing to be cut;
The handle of a knife resetting-mechanism is used for handle of a knife is reset to initial position.
The invention also discloses a kind of method of incising pipes, may further comprise the steps:
Tubing to be cut is sent in the axially extending bore of swivelling tool-holder of above-mentioned cutting tool;
Driving swivelling tool-holder by a power source at the uniform velocity rotates around a rotating shaft;
The handle of a knife that centrifugal force makes and this swivelling tool-holder articulates that utilizes swivelling tool-holder to produce when rotated outwards rotates, and when handle of a knife outwards rotated, the blade that is installed on this handle of a knife inwardly rotated, and cuts the tube wall of poling material.
When swivelling tool-holder of the present invention at the uniform velocity rotated under external force drives at high speed, handle of a knife outwards rotated under action of centrifugal force, drives blade simultaneously and inwardly rotates, and the cutting angle of blade and extension elongation are adjusted to the cutting position an of the best.The centrifugal force that the swivelling tool-holder rotation produces becomes the power of blade cuts, is enough to overcome resistance and the frictional force that blade runs in the incising pipes process, and cutting angle and the extension elongation of blade remained on above-mentioned optimum Cutting position always.Very high and when keeping even, the centrifugal force of generation is uniformly when the rotating speed of swivelling tool-holder, thus the uniformity of cutting can be guaranteed, and guarantee that the cutting section of tubing is smooth smooth.
Description of drawings
Fig. 1 is the perspective view of rotary cutter of the present invention;
Fig. 2 is that the master of rotary cutter of the present invention looks schematic diagram;
Fig. 3 A shows the A-A cutaway view of Fig. 2, and wherein, handle of a knife is in initial position;
Fig. 3 B is the local enlarged diagram of the P part of Fig. 3 A;
Fig. 4 A shows the A-A cutaway view of Fig. 2, and wherein, handle of a knife is in cutting position;
Fig. 4 B is the local enlarged diagram of the R part of Fig. 4 A.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is made and to further specify.
Referring to figs. 1 to Fig. 4 B, rotary cutter of the present invention comprises swivelling tool-holder 1, handle of a knife 2, blade 3 and handle of a knife resetting-mechanism.
Swivelling tool-holder 1 is provided with the axially extending bore 11 for ccontaining tubing 4 to be cut, and this axially extending bore 11 has a feed end 11a and a discharge end 11b.Axially extending bore 11 preferably is arranged on the center of swivelling tool-holder 1.Swivelling tool-holder 1 is provided with the handle of a knife groove 12 that extends along circumferentially.This swivelling tool-holder 1 can be around rotating shaft rotation under the driving of a power source, and this rotating shaft for example can be the central axis of this axially extending bore, adopts motor as power source usually.Handle of a knife 2 is arranged in the handle of a knife groove 12, and a side of handle of a knife 2 and swivelling tool-holder 1 articulate mutually by a pin 5 that is arranged in simultaneously on swivelling tool-holder 1 and the handle of a knife 2.Handle of a knife 2 has an initial position and a cutting position, and can turn to cutting position by initial position when swivelling tool-holder 1 rotation.Blade 3 is arranged on the handle of a knife 2.The handle of a knife resetting-mechanism comprises at least one back-moving spring, and an end of this back-moving spring links to each other with swivelling tool-holder 1, and the other end links to each other with handle of a knife 2.This handle of a knife resetting-mechanism is used for handle of a knife 2 is reset to initial position.
In the embodiment shown in Fig. 1 to Fig. 4 B, swivelling tool-holder 1 comprises a body 1a and a feeder 1b, and handle of a knife 2 is arranged on this body 1a, and feeder 1b is positioned at the side of body 1a, and links to each other with body 1a.The external diameter of feeder 1b is less than the external diameter of body 1a.Be provided with an endless-belt groove 13 that is used for placing feed belt at the outer wall of body 1a, be provided with a groove 14 that is connected with the axially extending bore 11 of swivelling tool-holder 1 at the outer wall of feeder 1b.When cutting operation, a pressure head can extend in the groove 14, and is pressed on the tubing to be cut 4, thereby keeps the glacing flatness of tubing 4.The cross section of handle of a knife 2 is that ring type is fan-shaped, is provided with an arc groove 121 in the bottom surface 120 of handle of a knife groove 12, this arc groove 121 when handle of a knife 2 is in initial position and the inner arc surface 21 of handle of a knife 2 common form one can ccontaining tubing 4 to be cut through hole.Blade 3 is installed on the handle of a knife 2 by four pins 32.The handle of a knife resetting-mechanism comprises a back-moving spring 61, the bottom surface 120 of handle of a knife groove 12 is provided with a spring groove 122, one end 2a of handle of a knife 2 is provided with a spring groove 22, one end of back-moving spring 61 is arranged in the spring groove 122 of handle of a knife groove bottom, and link to each other with swivelling tool-holder 1, the other end is arranged in the spring groove 22 of handle of a knife one end 2a, and links to each other with handle of a knife 2.
Shown in Fig. 3 A, Fig. 3 B, when handle of a knife 2 is in initial position, has a gap between this blade 3 and the tubing 4 to be cut, thereby can not influence the tubing charging.Leave a gap between one end 2a of handle of a knife 2 close pins 5 and the bottom surface of handle of a knife groove 12, so that handle of a knife 2 can outwards rotate around pin 5, handle of a knife 2 is close to the bottom surface 120 of handle of a knife groove 12 away from the other end 2b of pin 5.
When carrying out cutting operation, the tubing 4 that is pushed into from the entrance point 11a of cutter can touch a limit switch after port of export 11b stretches out, control device starter motor immediately after receiving the enabling signal that this limit switch sends, motor is by dynamic conveyor belt driven rotary knife rest 1 at the uniform velocity running at a high speed.Because action of centrifugal force, handle of a knife 2 can overcome the screen resilience that the handle of a knife resetting-mechanism provides, and be that pivot outwards rotates with pin 5, arrives to the bottom surface 120 of handle of a knife groove 12 up to an end 2a of handle of a knife 2, and handle of a knife 2 is in cutting position at this moment.In handle of a knife 3 outside rotating process, blade 3 inwardly rotates, and the blade 31 of blade 3 is cut the tube wall of wearing this tubing to be cut along the direction of the central axis of through hole 11 perpendicular to axial direction, shown in Fig. 4 A, Fig. 4 B.
After finishing cutting operation, motor quits work, and swivelling tool-holder 1 slowly stops operating, and centrifugal force disappears, handle of a knife 2 and blade 3 fall back to initial position under the screen resilience effect of handle of a knife resetting means, the other end 2b of handle of a knife 2 is resisted against on the bottom surface 120 of handle of a knife groove 12.
The invention also discloses a kind of method of incising pipes, it may further comprise the steps:
Tubing to be cut is sent in the axially extending bore of a swivelling tool-holder;
Drive this swivelling tool-holder by a power source and at the uniform velocity rotate around a rotating shaft, this rotating shaft for example is the central axis of this axially extending bore, and the rotating speed of this swivelling tool-holder then changes according to the type of institute's incising pipes;
The handle of a knife that centrifugal force makes and this swivelling tool-holder articulates that utilizes swivelling tool-holder to produce when rotated outwards rotates, and when this handle of a knife outwards rotated, the blade that is installed on this handle of a knife inwardly rotated, and cuts the tube wall of poling material; Under action of centrifugal force, handle of a knife 2 can remain on cutting position always, and cutting angle and the extension elongation of blade 3 are also kept, thereby tubing 4 is cut off equably.After tubing 4 is cut off, can cut off the power of power source, make rotary cutter stop the rotation, under the effect of the screen resilience of handle of a knife resetting means, handle of a knife 2 and blade 3 all are reset to initial position.
Adopt technical scheme of the present invention, can realize uniform and stable ground cutting elastic material tubing, and guarantee the smooth smooth of tubing cutting section.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, do not breaking away from variation or the replacement that also can make various equivalences under the situation of the present invention, therefore, as long as in connotation scope of the present invention in the scope to the variation of above-described embodiment, claims that modification all will drop on the application.
Claims (9)
1. a rotary cutter is characterized in that, comprising:
Swivelling tool-holder, described swivelling tool-holder are provided with the handle of a knife groove and are used for the axially extending bore of ccontaining tubing to be cut;
Handle of a knife is arranged in the described handle of a knife groove, and this handle of a knife and described swivelling tool-holder articulate, and can turn to a cutting position by an initial position when swivelling tool-holder rotates;
Blade, be arranged on the described handle of a knife, when described handle of a knife was in initial position, handle of a knife had a gap between the bottom surface near an end that articulates the position and handle of a knife groove, handle of a knife is close to the bottom surface of handle of a knife groove away from the other end that articulates the position, has a gap between this blade and the tubing to be cut; When described handle of a knife was in cutting position, the close end that articulates the position of handle of a knife arrived to the bottom surface of handle of a knife groove, and this blade is cut the tube wall of wearing this tubing to be cut;
The handle of a knife resetting-mechanism is used for described handle of a knife is reset to initial position.
2. rotary cutter as claimed in claim 1 is characterized in that, described handle of a knife resetting-mechanism comprises at least one back-moving spring, and an end of this back-moving spring links to each other with described swivelling tool-holder, and the other end links to each other with described handle of a knife.
3. rotary cutter as claimed in claim 1 is characterized in that, the cross section of described handle of a knife is that ring type is fan-shaped, is provided with an arc groove in the bottom surface of described handle of a knife groove; This arc groove is when described handle of a knife is in initial position and the common through hole that forms a ccontaining tubing to be cut of the inner arc surface of described handle of a knife.
4. rotary cutter as claimed in claim 1 is characterized in that, a side of described handle of a knife articulates mutually by a pin that is arranged in simultaneously on described swivelling tool-holder and the described handle of a knife.
5. rotary cutter as claimed in claim 1 is characterized in that, described axially extending bore is arranged on the center of described swivelling tool-holder.
6. rotary cutter as claimed in claim 1 is characterized in that, described swivelling tool-holder comprises a body and a feeder, and described handle of a knife is arranged on this body, and feeder is positioned at a side of body, and links to each other with body; The external diameter of feeder is less than the external diameter of body.
7. rotary cutter as claimed in claim 6 is characterized in that, the outer wall of described body is provided with one for the endless-belt groove of placing feed belt.
8. rotary cutter as claimed in claim 7 is characterized in that, the outer wall of described feeder is provided with a groove that is connected with the axially extending bore of swivelling tool-holder, and described groove is used for putting into the pressure head that is pressed on the tubing to be cut.
9. the method with the described cutting tool incising pipes of claim 1 is characterized in that, may further comprise the steps:
Tubing to be cut is sent in the axially extending bore of swivelling tool-holder of described cutting tool;
Driving described swivelling tool-holder by a power source at the uniform velocity rotates around a rotating shaft;
The handle of a knife that centrifugal force makes and this swivelling tool-holder articulates that utilizes swivelling tool-holder to produce when rotated outwards rotates, and when described handle of a knife outwards rotated, the blade that is installed on this handle of a knife inwardly rotated, and cuts the tube wall of wearing described tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237417 CN102335926B (en) | 2010-07-27 | 2010-07-27 | Rotary cutting tool and method for cutting pipe by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010237417 CN102335926B (en) | 2010-07-27 | 2010-07-27 | Rotary cutting tool and method for cutting pipe by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102335926A CN102335926A (en) | 2012-02-01 |
| CN102335926B true CN102335926B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010237417 Active CN102335926B (en) | 2010-07-27 | 2010-07-27 | Rotary cutting tool and method for cutting pipe by same |
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| CN (1) | CN102335926B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290116B (en) * | 2014-09-23 | 2016-08-31 | 上海白蝶管业科技股份有限公司 | Resistance oxygen pipe peeler |
| CN105922322B (en) * | 2016-05-03 | 2017-10-20 | 上海日成电子有限公司 | Bunch pipe production peeler |
| CN108890019A (en) * | 2018-08-14 | 2018-11-27 | 中煤特殊凿井有限责任公司 | A kind of pipe internal cutting device |
| CN109434184A (en) * | 2018-11-29 | 2019-03-08 | 徐州朗益医疗器械有限公司 | A kind of medical treatment part cutter device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057123U (en) * | 1989-08-22 | 1990-05-16 | 许荡平 | Tool movable pipe cutter |
| EP0483076A2 (en) * | 1990-06-15 | 1992-04-29 | Nervo Nevio | New super-rapid centrifugal system for the cutting and preparation of pipes |
| CN2386912Y (en) * | 1998-11-23 | 2000-07-12 | 曹小维 | Centrifugal pressuring planetary rotation high speed pipe cut-off appts. |
| CN2582801Y (en) * | 2002-11-19 | 2003-10-29 | 李泰宏 | Rotary pipe cutter |
| US6920812B2 (en) * | 2003-08-25 | 2005-07-26 | Eraser Company, Inc. | Centrifugal cutting apparatus |
| CN201769230U (en) * | 2010-07-27 | 2011-03-23 | 上海美华医疗器具股份有限公司 | Rotary cutting tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030084772A1 (en) * | 2001-11-05 | 2003-05-08 | Shen Ying Liang | Cutting device of packaging machine |
-
2010
- 2010-07-27 CN CN 201010237417 patent/CN102335926B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057123U (en) * | 1989-08-22 | 1990-05-16 | 许荡平 | Tool movable pipe cutter |
| EP0483076A2 (en) * | 1990-06-15 | 1992-04-29 | Nervo Nevio | New super-rapid centrifugal system for the cutting and preparation of pipes |
| CN2386912Y (en) * | 1998-11-23 | 2000-07-12 | 曹小维 | Centrifugal pressuring planetary rotation high speed pipe cut-off appts. |
| CN2582801Y (en) * | 2002-11-19 | 2003-10-29 | 李泰宏 | Rotary pipe cutter |
| US6920812B2 (en) * | 2003-08-25 | 2005-07-26 | Eraser Company, Inc. | Centrifugal cutting apparatus |
| CN201769230U (en) * | 2010-07-27 | 2011-03-23 | 上海美华医疗器具股份有限公司 | Rotary cutting tool |
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| Publication number | Publication date |
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| CN102335926A (en) | 2012-02-01 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AMSINO MEDICAL EQUIPMENT (KUNSHAN) CO., LTD. Free format text: FORMER OWNER: SHANGHAI MEIHUA MEDICAL EQUIPMENT CO., LTD. Effective date: 20141021 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201803 JIADING, SHANGHAI TO: 215343 SUZHOU, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141021 Address after: 215343 Jiangsu province Kunshan City Qiandeng Shipu Lidoulu No. 582 Patentee after: Amsino Medical Equipment (Kunshan) Co., Ltd. Address before: 201803 Shanghai city Jiading District Huajiang Road 668 Lane 5 Patentee before: Shanghai Meihua Medical Equipment Co., Ltd. |