CN110695440A - Small-bore pipeline cutter capable of automatically feeding - Google Patents
Small-bore pipeline cutter capable of automatically feeding Download PDFInfo
- Publication number
- CN110695440A CN110695440A CN201910878716.4A CN201910878716A CN110695440A CN 110695440 A CN110695440 A CN 110695440A CN 201910878716 A CN201910878716 A CN 201910878716A CN 110695440 A CN110695440 A CN 110695440A
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- cutting
- block
- ratchet
- ratchet wheel
- cutter
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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
- B23D21/06—Hand-operated tube-cutters
- B23D21/10—Hand-operated tube-cutters with other cutting blades or tools
Abstract
The invention relates to the technical field of pipeline cutting equipment, and discloses an automatic-feeding small-bore pipeline cutter, which comprises an outer ratchet mechanism, wherein an inner ratchet transmission block is meshed and transmitted in the outer ratchet mechanism, a cutting mechanism is movably clamped in the inner ratchet transmission block, and a cutting sample pipe is clamped in the cutting mechanism. This but small aperture pipeline cutterbar of auto-feed, through the setting of eccentric structure between interior ratchet drive block and the cutting mechanism, make interior ratchet drive block can apply an inside pressure to cutting mechanism when driving cutting mechanism is rotatory, and then can come the automatic feed volume of regulation and control cutting blade dish through the pressure that cutting appearance pipe feedback comes, need not be at every turn the manual adjustment cutting blade dish in rotatory a week back feed volume, it is convenient to control, cutting efficiency is higher, when having avoided the feed volume of manual adjustment cutting blade dish, make its feed volume change suddenly, the great condition of damage to the blade disc.
Description
Technical Field
The invention relates to the technical field of pipeline cutting equipment, in particular to an automatically-fed small-bore pipeline cutter.
Background
The pipeline cutter is mainly a portable cutting tool for maintaining, modifying and cutting an installed pipeline, and can flexibly and effectively adjust the cutting diameter of the pipeline according to the diameter of the pipeline in an effective cutting range, so that the pipeline cutting operation is completed.
And present current pipeline cutter is at the during operation, it does the annular cutting operation only to drive it singly, when its feed volume that needs the adjustment blade disc, just need artificial forcing blade disc inwards extrusion pipeline through external force, and then accomplish the adjustment control to blade disc feed volume, it is comparatively loaded down with trivial details to control, the cutting efficiency of this cutter to the pipeline has been influenced, and during the feed volume of this mode adjustment blade disc, all be through the abrupt emergence change of feed volume of external force extrusion blade disc, it is great to the damage of blade disc, the life of the blade disc of very big shortening.
Disclosure of Invention
Technical problem to be solved
The invention provides an automatically-feeding small-bore pipeline cutter, which has the advantages of automatic adjustment and control of the feeding amount of a cutter head through the pressure fed back by a pipeline, convenience in operation and control, high cutting efficiency and small damage to the cutter head, and solves the problems that when the feeding amount of the cutter head needs to be adjusted during the operation of the conventional pipeline cutter, the cutter head needs to be manually forced to extrude the pipeline inwards through external force, the adjustment and control of the feeding amount of the cutter head are further completed, the operation and control are complicated, the cutting efficiency of the cutter to the pipeline is influenced, and when the feeding amount of the cutter head is adjusted in the mode, the feeding amount of the cutter head is suddenly changed through the external force extrusion, the damage to the cutter head is large, and the service life of the cutter head is greatly shortened.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a but small aperture pipeline cutterbar of auto-feed, includes outer ratchet, outer ratchet's inside meshing transmission has interior ratchet drive block, the inside activity joint of interior ratchet drive block has cutting mechanism, and cutting mechanism's inside joint has cutting appearance pipe.
Preferably, a group of stopping pawls are arranged at intervals of an angle inside the outer ratchet mechanism, and three groups of stopping pawls are arranged.
Preferably, the inner ratchet wheel transmission block is formed by combining an upper ratchet wheel block and a lower ratchet wheel block, a sliding groove is formed in the upper ratchet wheel block, an angle between the two groups of ratchet wheel blocks is 120 degrees, and opening and closing angles of ratchets of the upper ratchet wheel block and ratchets of the lower ratchet wheel block are both 90 degrees.
Preferably, cutting mechanism is including cutting solid fixed ring, the top on cutting solid fixed ring inner chamber right side is equipped with cutting cutter dish, the right side of cutting solid fixed ring inner chamber is equipped with fixed roller, and the bottom fixed mounting of cutting solid fixed ring has movable roller.
Preferably, an eccentric structure is formed between the circle center of the lower ratchet block of the inner ratchet transmission block and the circle center of the inner ring of the cutting fixing ring, the distance between the lower ratchet block of the inner ratchet transmission block and the circle center of the cutting mechanism is 7mm, and the circle center of the outer ring of the cutting fixing ring is the same as the circle center of the upper ratchet block of the inner ratchet transmission block.
Preferably, the periphery of the cutting fixing ring is provided with a sliding block, and the sliding block on the cutting fixing ring is in sliding clamping connection with a sliding groove in the ratchet block on the inner ratchet wheel transmission block.
Preferably, a connecting line among the cutting knife disc, the fixed roller and the circle center of the movable roller forms an acute triangle.
(III) advantageous effects
The invention has the following beneficial effects:
1. this but small aperture pipeline cutterbar of auto-feed, through the setting of eccentric structure between interior ratchet drive block and the cutting mechanism, make interior ratchet drive block can apply an inside pressure to cutting mechanism when driving cutting mechanism is rotatory, and then can come the automatic feed volume of regulation and control cutting blade dish through the pressure that cutting appearance pipe feedback comes, compare with current pipeline cutterbar, need not be at every turn at the manual adjustment cutting blade dish's of rotatory a week after the feed volume, it is convenient to control, cutting efficiency is higher, and during the feed volume of manual adjustment cutting blade dish, avoided through external force violence extrusion blade dish and cutting appearance pipe, make its feed volume change suddenly, it is great to the damage of blade dish, very easily lead to the condition that the blade dish appears collapsing.
2. This but small aperture pipeline cutterbar of auto-feed through the setting of ratchet structure between outer ratchet and the interior ratchet drive block for outer ratchet can drive cutting mechanism through local round trip movement and take place rotary motion, causes the staff comparatively laborsaving when using this cutterbar, has avoided when cutting the pipeline of installing simultaneously, makes its during operation can not receive the influence of its fixed pipeline object, convenient to use, and the operation is quick effective.
3. This but small aperture pipeline cutterbar of auto-feed for the setting of three sets of locking pawls and upper and lower two sets of ratchet pieces in the interior ratchet drive block on the outer ratchet for outer ratchet makes a round trip the pivoted in-process at local, utilizes the locking pawl wherein can keep having at least a set of ratchet tooth piece and the contact takes place between the inside initiative pawl of outer ratchet all the time, and then can drive cutting mechanism to take place to rotate and form a complete annular cutting all the time, and the phenomenon that takes place to skid because of not having gear engagement between interior ratchet drive block and the outer ratchet can not appear.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the ratchet mechanism and the cutting mechanism in the present invention;
FIG. 3 is a schematic structural view of the internal ratchet mechanism of the present invention;
fig. 4 is a schematic structural diagram of the cutting mechanism of the present invention.
In the figure: 1. an outer ratchet mechanism; 2. an inner ratchet wheel transmission block; 3. a cutting mechanism; 31. cutting the fixing ring; 32. a cutter disc; 33. fixing the roller; 34. a movable roller; 4. and cutting the sample tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
Referring to fig. 1-4, an automatic feeding small-bore pipeline cutter comprises an outer ratchet mechanism 1, an inner ratchet transmission block 2 is engaged and transmitted inside the outer ratchet mechanism 1, a cutting mechanism 3 is movably clamped inside the inner ratchet transmission block 2, and a cutting sample tube 4 is clamped inside the cutting mechanism 3.
In the technical scheme, a group of stopping pawls are arranged at intervals of 30 degrees in the outer ratchet mechanism 1, and three groups of stopping pawls are arranged.
Wherein, the middle part of 1 surface of outer ratchet is equipped with twist grip, thereby it takes place the rotation and then cutting appearance pipe 4 to be used for rotating outer ratchet 1 and drive interior ratchet drive block 2, make the staff comparatively laborsaving when using this cutterbar, can utilize the characteristic of ratchet to change the rotation of part into the complete circular motion of cutting mechanism 3, make when the pipeline after the cutting installation is accomplished, can not receive the influence of its fixed pipeline object, high durability and convenient use, the operation is effective fast, the effectual work efficiency and the application scope who improves this cutterbar.
In the technical scheme, the inner ratchet wheel transmission block 2 is formed by combining an upper ratchet wheel block and a lower ratchet wheel block, a sliding groove is formed in the upper ratchet wheel block, the angle between the two groups of ratchet wheel blocks is 120 degrees, and the opening and closing angles of the ratchets of the upper ratchet wheel block and the ratchets of the lower ratchet wheel block are both 90 degrees.
The arrangement of the upper ratchet wheel block and the lower ratchet wheel block of the inner ratchet wheel transmission block 2 and the angle between the upper ratchet wheel block and the lower ratchet wheel block makes the outer ratchet wheel mechanism 1 always keep at least one group of ratchet wheel tooth blocks in contact with the driving pawl inside the outer ratchet wheel mechanism 1 in the process of local back-and-forth rotation by utilizing the stopping pawl therein, and then the cutting mechanism 3 can be always driven to rotate to form complete annular cutting, so that the phenomenon of slipping caused by no gear meshing between the inner ratchet wheel transmission block 2 and the outer ratchet wheel mechanism 1 can be avoided.
In this technical scheme, cutting mechanism 3 is equipped with cutter disc 32 including the solid fixed ring 31 of cutting, the top on the solid fixed ring 31 inner chamber right side of cutting, and the right side of the solid fixed ring 31 inner chamber of cutting is equipped with fixed roller 33, and the bottom fixed mounting of the solid fixed ring 31 of cutting has movable roller 34.
Wherein, to cutting mechanism 3's setting, utilize three point location's mode can be with cutting cutter disc 32 stable effectual chucking at cutting appearance pipe 4, and then carry out annular cutting operation to cutting appearance pipe 4, make its in-process that cuts can not take place to rock the phenomenon of skidding, simple structure, reliable and stable.
In the technical scheme, an eccentric structure is formed between the circle center of the lower ratchet block of the inner ratchet transmission block 2 and the circle center of the inner ring of the cutting fixing ring 31, the distance between the lower ratchet block of the inner ratchet transmission block 2 and the circle center of the cutting mechanism 3 is 7mm, and the circle center of the outer ring of the cutting fixing ring 31 is the same as the circle center of the upper ratchet block of the inner ratchet transmission block 2.
Wherein, to the setting of the eccentric structure between the fixed ring 31 of interior ratchet drive block 2 and cutting, drive the in-process that cutting mechanism 3 rotated through interior ratchet drive block 2 when outer ratchet 1, thereby outer ratchet 1 can be automatic under the effect of eccentric structure drives cutting mechanism 3 and to exert pressure to the inboard adjustment cutter disc 32's cutting depth, cause cutter disc 32 when cutting sample pipe 4, need not to rotate the feed volume of manual adjustment cutter disc 32 when the round at cutting mechanism 3, further improvement the work efficiency of this cutterbar.
Wherein, the distance between the centre of a circle of ratchet piece and cutting mechanism 3 is 7 mm's setting under interior ratchet drive block 2 for under the setting of eccentric structure, the biggest distance that the solid fixed ring 31 of cutting can move to the inboard is 7mm, thereby makes the biggest thickness that this cutterbar can be cutting sample tube 4 be 7mm, and then the effectual effective cutting working range who improves this cutterbar.
In this technical scheme, the periphery of cutting solid fixed ring 31 is equipped with the slider, and slides between the spout in the slider on the solid fixed ring 31 of cutting and the ratchet piece on the interior ratchet drive block 2 and joint.
Wherein, to the solid fixed ring of cutting 31 and the interior ratchet drive block 2 on the setting between the ratchet piece, ensured cutting mechanism 3 at the stability of rotation in-process, can not be at the in-process of cutting appearance pipe 4, because of the uneven and its emergence skew that leads to of outer ratchet 1's application of force, improved the stability of this cutterbar at the during operation, guaranteed the cutting appearance pipe 4 sectional planarization after the cutting simultaneously, the effect of cutting is better.
In the technical scheme, a connecting line among the circle centers of the cutter disc 32, the fixed roller 33 and the movable roller 34 forms an acute triangle.
Wherein, to the setting of forming acute angle triangular distribution between cutter disc 32, fixed idler wheel 33 and the movable idler wheel 34 for the joint has stable effectual stress point around the cutting appearance pipe 4 on cutting mechanism 3, at the in-process of cutting, can not lead to its atress uneven phenomenon that appears because of cutting mechanism 3's rotation, stability and reliability are higher.
The use method and the working principle of the embodiment are as follows:
before the pipeline cutter is used, the inner ratchet wheel transmission block 2 and the cutting mechanism 3 are respectively rotated, the opening directions of the inner ratchet wheel transmission block and the cutting mechanism 3 are all rotated to the position consistent with the opening direction of the outer ratchet wheel mechanism 1, then the height of the movable roller 34 is adjusted to a proper position according to the diameter of a pipeline to be cut, then the cutting mechanism 3 on the cutter is clamped on the pipeline, the movable roller 34 is screwed tightly by a tool, so that the cutting cutter disc 32, the fixed roller 33 and the movable roller 34 are just contacted and clamped with the surface of the pipeline respectively, then the rotating handle on the outer ratchet wheel mechanism 1 can be rotated back and forth, the cutting mechanism 3 is driven to rotate under the action of the meshing rotation of the ratchet wheels in the inner ratchet wheel transmission block 2, the outer ratchet wheel mechanism 1 can be driven to rotate back and forth in a local range to drive the cutting mechanism 3 to generate circular motion, and meanwhile, under the arrangement of an eccentric structure between the inner ratchet wheel transmission, drive cutting mechanism 3 pivoted in, it can apply an inboard pressure to cutting mechanism 3 for the solid fixed ring 31 of cutting always has the pressure to cutting appearance pipe 4, and then can feed back the solid fixed ring 31's of automatic adjustment cutting of pressure that returns according to cutting appearance pipe 4 when rotating cutting mechanism 3 feed volume, and need not artificial going to adjust the solid fixed ring 31's of cutting feed volume, work efficiency is higher, it is more convenient to control.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a but small aperture pipeline cutter of auto-feed, includes outer ratchet (1), its characterized in that: the inside meshing transmission of outer ratchet (1) has interior ratchet drive block (2), the inside movable joint of interior ratchet drive block (2) has cutting mechanism (3), and the inside joint of cutting mechanism (3) has cutting appearance pipe (4).
2. An automatically feedable small bore pipe cutter as defined in claim 1, wherein: a group of stopping pawls are arranged at intervals of 30 degrees in the inner part of the outer ratchet mechanism (1), and three groups of stopping pawls are arranged.
3. An automatically feedable small bore pipe cutter as defined in claim 1, wherein: the inner ratchet wheel transmission block (2) is formed by combining an upper ratchet wheel block and a lower ratchet wheel block, a sliding groove is formed in the upper ratchet wheel block, the angle between the two groups of ratchet wheel blocks is 120 degrees, and the opening and closing angles of the ratchets of the upper ratchet wheel block and the ratchets of the lower ratchet wheel block are both 90 degrees.
4. An automatically feedable small bore pipe cutter as defined in claim 1, wherein: cutting mechanism (3) are including cutting solid fixed ring (31), the top on cutting solid fixed ring (31) inner chamber right side is equipped with cutting cutter dish (32), the right side of cutting solid fixed ring (31) inner chamber is equipped with fixed roller (33), and the bottom fixed mounting of cutting solid fixed ring (31) has movable roller (34).
5. An automatically feedable small bore pipe cutter as defined in claim 1, wherein: an eccentric structure is formed between the circle center of the ratchet block under the inner ratchet wheel transmission block (2) and the circle center of the inner ring of the cutting fixing ring (31), the distance between the ratchet block under the inner ratchet wheel transmission block (2) and the circle center of the cutting mechanism (3) is 7mm, and the circle center of the outer ring of the cutting fixing ring (31) is the same as the circle center of the ratchet block on the inner ratchet wheel transmission block (2).
6. An auto-feedable small bore pipe cutter as claimed in claim 4, wherein: the periphery of the cutting fixing ring (31) is provided with a sliding block, and the sliding block on the cutting fixing ring (31) is in sliding clamping connection with a sliding groove in the ratchet wheel block on the inner ratchet wheel transmission block (2).
7. An auto-feedable small bore pipe cutter as claimed in claim 4, wherein: the connecting line among the circle centers of the cutter disc (32), the fixed roller (33) and the movable roller (34) forms an acute triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878716.4A CN110695440B (en) | 2019-09-18 | 2019-09-18 | Small-bore pipeline cutter capable of automatically feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878716.4A CN110695440B (en) | 2019-09-18 | 2019-09-18 | Small-bore pipeline cutter capable of automatically feeding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110695440A true CN110695440A (en) | 2020-01-17 |
| CN110695440B CN110695440B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910878716.4A Active CN110695440B (en) | 2019-09-18 | 2019-09-18 | Small-bore pipeline cutter capable of automatically feeding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515457A (en) * | 2020-04-30 | 2020-08-11 | 绍兴上虞宇江机电科技有限公司 | Portable iron sheet cutting machine based on metal processing |
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| US2697875A (en) * | 1952-12-31 | 1954-12-28 | Mciver Americus | Ratchet handle pipe cutter |
| US3715804A (en) * | 1971-02-19 | 1973-02-13 | E Kelley | Free fulcrumed lever action for the cutting wheel pipe cutter |
| US6481105B1 (en) * | 2000-08-04 | 2002-11-19 | Tom Haung | Pipe cutter |
| DE20209579U1 (en) * | 2002-06-20 | 2003-10-30 | Golletz Paul T | Cable holder has an outer layer of a pipe or cable that is plastic and a c-shaped ring that has a shell tool from the cable and describes and angle of more than 180 degrees |
| CN201098755Y (en) * | 2007-08-15 | 2008-08-13 | 李君祥 | Water pipe cutter |
| CN201140411Y (en) * | 2007-12-13 | 2008-10-29 | 李泰宏 | Rotary pipe cutting apparatus |
| GB2537051A (en) * | 2015-04-02 | 2016-10-05 | Mitchell Jordan | Pipe cutter |
| CN206009984U (en) * | 2016-08-31 | 2017-03-15 | 澳太机械制造有限公司 | A kind of cutting mechanism of steel tube cutting machine |
| CN108687396A (en) * | 2017-04-07 | 2018-10-23 | 米沃奇电动工具公司 | Cutting tool |
| CN109482978A (en) * | 2018-12-24 | 2019-03-19 | 海盐沃企机电设备有限公司 | A kind of ratchet-type sealing welding ring cutting cutter |
-
2019
- 2019-09-18 CN CN201910878716.4A patent/CN110695440B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2697875A (en) * | 1952-12-31 | 1954-12-28 | Mciver Americus | Ratchet handle pipe cutter |
| US3715804A (en) * | 1971-02-19 | 1973-02-13 | E Kelley | Free fulcrumed lever action for the cutting wheel pipe cutter |
| US6481105B1 (en) * | 2000-08-04 | 2002-11-19 | Tom Haung | Pipe cutter |
| DE20209579U1 (en) * | 2002-06-20 | 2003-10-30 | Golletz Paul T | Cable holder has an outer layer of a pipe or cable that is plastic and a c-shaped ring that has a shell tool from the cable and describes and angle of more than 180 degrees |
| CN201098755Y (en) * | 2007-08-15 | 2008-08-13 | 李君祥 | Water pipe cutter |
| CN201140411Y (en) * | 2007-12-13 | 2008-10-29 | 李泰宏 | Rotary pipe cutting apparatus |
| GB2537051A (en) * | 2015-04-02 | 2016-10-05 | Mitchell Jordan | Pipe cutter |
| CN206009984U (en) * | 2016-08-31 | 2017-03-15 | 澳太机械制造有限公司 | A kind of cutting mechanism of steel tube cutting machine |
| CN108687396A (en) * | 2017-04-07 | 2018-10-23 | 米沃奇电动工具公司 | Cutting tool |
| CN109482978A (en) * | 2018-12-24 | 2019-03-19 | 海盐沃企机电设备有限公司 | A kind of ratchet-type sealing welding ring cutting cutter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515457A (en) * | 2020-04-30 | 2020-08-11 | 绍兴上虞宇江机电科技有限公司 | Portable iron sheet cutting machine based on metal processing |
| CN111515457B (en) * | 2020-04-30 | 2021-06-29 | 绍兴上虞宇江机电科技有限公司 | Portable iron sheet cutting machine based on metal processing |
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| Publication number | Publication date |
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| CN110695440B (en) | 2021-05-18 |
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