CN110666845A - Cutting tool for pipe coating layer - Google Patents
Cutting tool for pipe coating layer Download PDFInfo
- Publication number
- CN110666845A CN110666845A CN201910905685.7A CN201910905685A CN110666845A CN 110666845 A CN110666845 A CN 110666845A CN 201910905685 A CN201910905685 A CN 201910905685A CN 110666845 A CN110666845 A CN 110666845A
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- China
- Prior art keywords
- blade
- main body
- pipe
- cutting tool
- fixing position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 81
- 239000011247 coating layer Substances 0.000 title claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000005253 cladding Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 241000755266 Kathetostoma giganteum Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
A cutting tool for a pipe coating layer relates to the technical field of cutting tools, and comprises a hand-operated main body and at least one blade; the hand operation main body comprises a first main body piece and a second main body piece; one side of the first main body part and one side of the second main body part are hinged, and the first main body part and/or the second main body part are/is provided with a containing hole, a blade fixing position and a limiting part; the containing hole is used for passing through a pipe to be cut; the blade is arranged in a blade fixing position by utilizing a detachable structure, and the blade fixing position is positioned at the periphery of the accommodating hole, so that the blade can act on a pipe to be cut in the accommodating hole; the limiting part is positioned on the inner side of the accommodating hole and used for abutting against the end part of the pipe to be cut. The cutting tool is provided with the limiting part, the distance between the limiting part and the blade is the length of the cutting coating layer, and the cutting part can be ensured to be uniform in length; the position of the blade relative to the pipe to be cut is determined, so that the cutting depth is determined, and the pipe cannot be cut too deeply or too shallowly; under the coating of the hand-operated main body, the blade is not easy to scratch the body.
Description
Technical Field
The invention relates to the technical field of cutting tools, in particular to a cutting tool for a pipe coating layer.
Background
For some coated pipes, it is sometimes necessary to remove the coating from the end to allow for pipe joining or other machining operations. For example, when installing a gas pipe, it is necessary to cut a coating layer on the end portion. In the prior art, a push-pull type dermatome commonly used in the market is generally adopted for cutting, the cutting means is to push a buckle of the dermatome open, adjust a proper position and buckle the buckle, and rotate a circle of dermatome to take down a cut coating layer to finish cutting.
However, the cutting tool in the prior art cannot position the cut length, resulting in different cut lengths; moreover, the depth of the blade of the existing cutting tool is not adjusted by a positioning device, and the inner pipe of the gas conveying pipe is easily cut and damaged due to the over-deep adjustment of the blade, so that the hidden danger of leakage of the pipe body is caused; in addition, existing cutting tool blades are exposed, which poses the risk of scratching and stabbing people.
Disclosure of Invention
The technical problem to be solved by the application is as follows: the technical defects of uncertain cutting length, insufficient blade depth control, low cutting speed, potential safety hazard and the like of the existing cutting tool are overcome.
In order to solve at least one of the above technical problems, an embodiment of the present application provides a cutting tool for a pipe coating layer, including a hand-operated main body and at least one blade; the hand operation main body comprises a first main body piece and a second main body piece; one side of the first main body part and one side of the second main body part are hinged, and the first main body part and/or the second main body part are/is provided with a containing hole, a blade fixing position and a limiting part; the accommodating hole is used for passing through a pipe to be cut; the blade is arranged in the blade fixing position, and the blade fixing position is positioned at the periphery of the accommodating hole, so that the blade can act on a pipe to be cut in the accommodating hole; the limiting part is positioned on the inner side of the accommodating hole and used for abutting against the end part of the pipe to be cut.
In the above technical solution, further, a first side of the first main body is hinged to a first side of the second main body, a second side of the first main body opposite to the first side is provided with a first switch, a second side of the second main body opposite to the first side is provided with a second switch, and the first switch and the second switch are detachably connected.
In the above technical solution, further, the blade fixing position is an insertion slot, and the blade is inserted into the insertion slot; the blade is fixed in the blade fixing position by a bolt.
In the above technical solution, further, one end of the first main body piece and/or the second main body piece is provided with a first receiving hole, a first blade fixing position and a first limiting portion; the other end is provided with a second containing hole, a second blade fixing position and a second limiting part.
In the above technical solution, further, a cavity is provided in the hand-operated main body, a plurality of reinforcing ribs are provided in the cavity, and the limiting portion is a portion of the reinforcing rib opposite to the accommodating hole.
In the above technical scheme, further, the bolt is a flat head bolt, the first main body piece and/or the second main body piece are provided with threaded holes, and the end of the flat head bolt abuts against the blade after passing through the threaded holes.
In the above technical solution, further, the first accommodating hole and the second accommodating hole have different sizes.
In the above technical solution, further, a distance between the first blade fixing position and the first limiting portion is not equal to a distance between the second blade fixing position and the second limiting portion.
In the above technical solution, further, the cutting depth of the pipe to be cut by the blades in the first blade fixing position and the second blade fixing position is different.
In the above technical solution, further, at least two groups of holes capable of passing through the bolt are formed in the blade, and when the bolt is matched with the holes of different groups, the depth of the blade in the slot is different.
Compared with the prior art, the technical scheme of the embodiment of the application has the following beneficial effects:
according to the cutting tool for the pipe coating layer, a pipe to be cut passes through the containing hole, the end part of the pipe to be cut is abutted against the limiting part, the first main body part and the second main body part are kneaded, the cutter blade is cut into the coating layer of the pipe to be cut, and the main body is rotated for a plurality of circles; then, the hand-operated main body is released, the first main body piece and the second main body piece are unfolded, and the cut coating layer is taken out, so that the cutting can be completed. The cutting tool for the pipe coating layer is provided with the limiting part, the distance between the limiting part and the blade is the length of the cutting coating layer, and the cutting position is determined, so that the cutting position is uniform in length, and the cutting end face of the coating layer is smooth and free of burrs; after the first main body piece and the second main body piece are kneaded, the position of the blade relative to the pipe to be cut is determined, so that the cutting depth is determined and the pipe cannot be cut too deeply or too shallowly; in addition, most of the blades are hidden in the hand-operated main body, so that the body is not easily scratched.
Drawings
Fig. 1 is a schematic perspective view of a cutting tool for pipe cladding according to an embodiment of the present application;
FIG. 2 is a front view of a cutting tool for pipe cladding in accordance with an embodiment of the present disclosure;
FIG. 3 is a cross-sectional view at A-A of FIG. 2;
FIG. 4 is a schematic structural diagram of a cutting tool for pipe coatings according to an embodiment of the present application when a hand-operated body is deployed;
FIG. 5 is a schematic structural view of a cutting tool for pipe coatings according to an embodiment of the present disclosure, with a hand-operated body closed;
FIG. 6 is a schematic diagram of a blade cutting pattern of a cutting tool for a pipe coating according to an embodiment of the present application;
fig. 7 is a schematic view of a blade cutting mode of another cutting tool for pipe coating according to the embodiment of the application.
Reference numerals:
1-operating a main body by hand; 11-a first body piece; 12-a second body piece; 13-a containment hole; 14-blade fixation position; 15-reinforcing ribs; 16-a hook; 2-a blade; 3-flat head bolt; 4-copper insert.
Detailed Description
As background art, in the prior art, the cutting tool for tube coating generally has the technical defects that the cutting depth is not easy to control, the tube body is cut and damaged, the tube body leakage risk is caused, the cutting length is not fixed, and the body is easily scratched,
the embodiment of the application provides a cutting tool for a pipe coating layer, which comprises a hand-operated main body and at least one blade; the hand operation main body comprises a first main body piece and a second main body piece; one side of the first main body part and one side of the second main body part are hinged, and the first main body part and/or the second main body part are/is provided with a containing hole, a blade fixing position and a limiting part; the containing hole is used for passing through a pipe to be cut; the blade is arranged in a blade fixing position by utilizing a detachable structure, and the blade fixing position is positioned at the periphery of the accommodating hole, so that the blade can act on a pipe to be cut in the accommodating hole; the limiting part is positioned on the inner side of the accommodating hole and used for abutting against the end part of the pipe to be cut.
The embodiment of the application provides a cutting tool for a pipe coating layer, wherein a pipe to be cut passes through a containing hole, the end part of the pipe is abutted against a limiting part, a first main body part and a second main body part are kneaded, a blade is cut into the coating layer of the pipe to be cut, and a hand is rotated to operate a plurality of rings; then, the hand-operated main body is released, the first main body piece and the second main body piece are unfolded, and the cut coating layer is taken out, so that the cutting can be completed. The cutting tool for the pipe coating layer is provided with the limiting part, the distance between the limiting part and the blade is the length of the cutting coating layer, and the cutting position is determined, so that the cutting position is uniform in length, and the cutting end face of the coating layer is smooth and free of burrs; after the first main body piece and the second main body piece are kneaded, the position of the blade relative to the pipe to be cut is determined, so that the cutting depth is determined and the pipe cannot be cut too deeply or too shallowly; in addition, most of the blades are hidden in the hand-operated main body, so that the body is not easily scratched.
In order to make the above objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to examples and drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present application and are not used as limitations of the present application.
Fig. 1 is a schematic perspective view of a cutting tool for pipe cladding according to an embodiment of the present application; FIG. 2 is a front view of a cutting tool for pipe cladding in accordance with an embodiment of the present disclosure; fig. 3 is a cross-sectional view at a-a of fig. 2.
As shown in fig. 1 to 3, the present application provides a cutting tool for a pipe cladding layer, which includes a hand-operated main body, four blades, and a flat head bolt corresponding to the blades one by one.
The hand operation main body comprises a first main body piece and a second main body piece; one side of the first body piece and one side of the second body piece are hinged, so that the first body piece and the second body piece can be unfolded and closed relatively.
The first main body part and the second main body part are provided with accommodating holes, and the accommodating holes can be used for allowing pipes to be cut. First main part and second main part still are equipped with the fixed position of blade, and specifically, the fixed position of blade is the slot that sets up in the holding hole. The first main body part and the second main body part are also provided with limiting parts, specifically, the first main body part and the second main body part are both provided with cavities, a plurality of reinforcing ribs are arranged in the cavities, and the limiting parts are parts of the reinforcing ribs opposite to the accommodating holes. In some embodiments, the part of the reinforcing rib opposite to the accommodating hole is also provided with a positioning projection or a positioning rod.
After the end part of the pipe to be cut passes through the accommodating hole and abuts against the limiting part, positioning is completed.
In this embodiment, the hand-operated body is made of polypropylene, which has the advantages of low density, good bending fatigue resistance, voltage resistance, arc resistance, etc. Of course, this is only one embodiment of the present application, and the material of the hand-operated main body of the present application is not limited thereto, and may be other materials, and preferably, a plastic material with certain elasticity and anti-slip performance is used.
The blade is installed in the slot, copper inserts are arranged on the positions, corresponding to the slot, of the first main body part and the second main body part, threaded holes are formed in the copper inserts, the end portion of the flat-head bolt abuts against the blade after passing through the threaded holes, and the blade is fixed by means of friction force between the end portion of the flat-head bolt and the blade.
Of course, this is only one specific embodiment of the present application, and the manner of fixing the insert of the present application is not limited thereto, for example, in some embodiments, a through hole is provided on the insert, and the fixing of the insert is achieved by passing a bolt through the through hole. Further, the blade and the blade fixing positions are provided with holes through which the bolts can pass, at least one of the blade and the blade fixing positions is provided with at least two groups of holes, and when the bolts are matched with the holes of different groups, the depths of the blades in the slots are different.
In this embodiment, the insert is made of an alloy material with good wear resistance.
The cutting tool for the pipe coating layer provided by the embodiment of the application has the following using method:
the first main body part and the second main body part are unfolded at a certain angle, as shown in figure 1, the pipe to be cut is inserted into the accommodating hole until the end part of the pipe to be cut abuts against the limiting part; kneading the first main body piece and the second main body piece to enable the blade to cut the coating layer of the pipe to be cut; the kneading state is kept, and the manual operation main body is rotated for two or three circles to realize the circular cutting of the coating layer; and (4) unfolding the first main body piece and the second main body piece, and taking down the cut coating layer.
As shown in fig. 1-3, a set of accommodating holes, a blade fixing position and a limiting portion are respectively arranged at the left end and the right end of the hand-operated main body, namely, both ends of the hand-operated main body can complete cutting operation. On one hand, the method is favorable for adapting to the left and right hand use habits of different users; on the other hand, after the blade at one end is damaged, the blade at the other end can be used for continuously cutting, so that the reliability is higher.
In some embodiments, the cutting criteria are not the same at both ends. Specifically, one end of the first main body piece and one end of the second main body piece are provided with a first containing hole, a first blade fixing position and a first limiting part; the other end is provided with a second containing hole, a second blade fixing position and a second limiting part. The first containing hole and the second containing hole are different in size and can adapt to pipes to be cut with different diameters; the distance between the first blade fixing position and the first limiting part is not equal to the distance between the second blade fixing position and the second limiting part, and the lengths of the cut coating layers are different; the depth of the blades in the first blade fixing position and the second blade fixing position is different, the cutting depth of the pipe to be cut is different, and the cutting requirements of coating layers with different thicknesses are met.
FIG. 4 is a schematic structural diagram of a cutting tool for pipe coatings according to an embodiment of the present application when a hand-operated body is deployed; fig. 5 is a schematic structural diagram of a cutting tool for a pipe coating layer according to an embodiment of the present application when a hand-operated body is closed.
As shown in fig. 4 and 5, in the cutting tool for a tube covering layer provided in the embodiment of the present application, a first side of a first main body is hinged to a first side of a second main body, a second side of the first main body is provided with a hook, a second side of the second main body is provided with a jack, and the hook is in adaptive connection with the jack.
The operation main part can expand and close, and after finishing using, will operate the main part closure, can accomodate the cutting edge of blade completely, can not the fish tail health, does benefit to and carries.
FIG. 6 is a schematic diagram of a blade cutting pattern of a cutting tool for a pipe coating according to an embodiment of the present application; fig. 7 is a schematic view of a blade cutting mode of another cutting tool for pipe coating according to the embodiment of the application.
Referring to fig. 6 and 7, the present application provides a cutting tool for pipe cladding, which has at least two cutting modes of blades. As shown in fig. 6, opposing blades are provided on the first and second body members, the opposing blades acting together on the pipe to be cut; as shown in fig. 7, the blade is provided only on the first body member or the second body member, and a single blade is used for cutting.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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 or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A cutting tool for a pipe coating layer is characterized by comprising a hand-operated main body and at least one blade; the hand operation main body comprises a first main body piece and a second main body piece; one side of the first main body part and one side of the second main body part are hinged, and the first main body part and/or the second main body part are/is provided with a containing hole, a blade fixing position and a limiting part; the accommodating hole is used for passing through a pipe to be cut; the blade is arranged in the blade fixing position, and the blade fixing position is positioned at the periphery of the accommodating hole, so that the blade can act on a pipe to be cut in the accommodating hole; the limiting part is positioned on the inner side of the containing hole and used for limiting the pipe to be cut.
2. A cutting tool for pipe coatings according to claim 1, characterized in that a first side of said first body member is hinged to a first side of said second body member, a second side of said first body member opposite to said first side is provided with a first switch member, a second side of said second body member opposite to said first side is provided with a second switch member, said first switch member and said second switch member are detachably connected.
3. The cutting tool for pipe coating according to claim 1, wherein the blade fixing position is a slot, and the blade is inserted into the slot; the blade is fixed in the blade fixing position by a bolt.
4. The cutting tool for pipe cladding according to claim 1, wherein one end of the first body piece and/or the second body piece is provided with a first receiving hole, a first blade fixing position and a first limiting part; the other end is provided with a second containing hole, a second blade fixing position and a second limiting part.
5. The cutting tool for the pipe coating layer according to claim 1 or 4, wherein a cavity is arranged in the hand-operated main body, a plurality of reinforcing ribs are arranged in the cavity, and the limiting part is a part of each reinforcing rib, which is opposite to the accommodating hole.
6. A cutting tool for pipe coatings according to claim 3, characterized in that the bolt is a flat head bolt, the first body piece and/or the second body piece is provided with a threaded hole, and the end of the flat head bolt passes through the threaded hole and abuts against the blade.
7. A cutting tool for pipe cladding according to claim 4, wherein the first receiving bore and the second receiving bore are of different size.
8. The cutting tool for pipe coating according to claim 4, wherein the distance between the first blade fixing position and the first limiting portion is not equal to the distance between the second blade fixing position and the second limiting portion.
9. A cutting tool for pipe cladding according to claim 4, characterized in that the blades in the first and second blade holding positions have different cutting depths for the pipe to be cut.
10. A cutting tool for pipe cladding according to claim 3, wherein the blade and blade holding station each have holes through which the bolt can pass, wherein at least one of the blade and blade holding station has at least two sets of holes, and wherein the depth of the blade in the slot is different when the bolt is engaged with a different set of holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905685.7A CN110666845A (en) | 2019-09-24 | 2019-09-24 | Cutting tool for pipe coating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910905685.7A CN110666845A (en) | 2019-09-24 | 2019-09-24 | Cutting tool for pipe coating layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110666845A true CN110666845A (en) | 2020-01-10 |
Family
ID=69077389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910905685.7A Pending CN110666845A (en) | 2019-09-24 | 2019-09-24 | Cutting tool for pipe coating layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110666845A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1258959A1 (en) * | 2001-05-10 | 2002-11-20 | Paul T. Golletz | Adjustable peel apparatus having a plier or clamping form |
| CN200960676Y (en) * | 2006-09-26 | 2007-10-17 | 倪海 | Simple PVC pipes cutter |
| CN106113129A (en) * | 2016-06-29 | 2016-11-16 | 南京中车浦镇城轨车辆有限责任公司 | General wire harness protection class PVC corrugated tube cutting tool |
| CN206812029U (en) * | 2017-04-07 | 2017-12-29 | 浙江伟星新型建材股份有限公司 | A kind of instrument for the cutting of insulating tube heat-insulation layer |
| CN210704941U (en) * | 2019-09-24 | 2020-06-09 | 南京柔科航空设备科技有限公司 | Cutting tool for pipe coating layer |
-
2019
- 2019-09-24 CN CN201910905685.7A patent/CN110666845A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1258959A1 (en) * | 2001-05-10 | 2002-11-20 | Paul T. Golletz | Adjustable peel apparatus having a plier or clamping form |
| CN200960676Y (en) * | 2006-09-26 | 2007-10-17 | 倪海 | Simple PVC pipes cutter |
| CN106113129A (en) * | 2016-06-29 | 2016-11-16 | 南京中车浦镇城轨车辆有限责任公司 | General wire harness protection class PVC corrugated tube cutting tool |
| CN206812029U (en) * | 2017-04-07 | 2017-12-29 | 浙江伟星新型建材股份有限公司 | A kind of instrument for the cutting of insulating tube heat-insulation layer |
| CN210704941U (en) * | 2019-09-24 | 2020-06-09 | 南京柔科航空设备科技有限公司 | Cutting tool for pipe coating layer |
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